forked from mirror/gitea
Introduce go chi web framework as frontend of macaron, so that we can move routes from macaron to chi step by step (#7420)
* When route cannot be found on chi, go to macaron * Stick chi version to 1.5.0 * Follow router log setting
This commit is contained in:
parent
0ae35c66f2
commit
c296f4fed6
@ -70,7 +70,7 @@ issues:
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- path: modules/log/
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linters:
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- errcheck
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- path: routers/routes/routes.go
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- path: routers/routes/macaron.go
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linters:
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- dupl
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- path: routers/api/v1/repo/issue_subscription.go
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16
cmd/web.go
16
cmd/web.go
@ -19,8 +19,6 @@ import (
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"code.gitea.io/gitea/routers"
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"code.gitea.io/gitea/routers/routes"
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"gitea.com/macaron/macaron"
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context2 "github.com/gorilla/context"
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"github.com/unknwon/com"
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"github.com/urfave/cli"
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@ -135,9 +133,9 @@ func runWeb(ctx *cli.Context) error {
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return err
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}
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}
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m := routes.NewMacaron()
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routes.RegisterInstallRoute(m)
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err := listen(m, false)
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c := routes.NewChi()
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routes.RegisterInstallRoute(c)
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err := listen(c, false)
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select {
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case <-graceful.GetManager().IsShutdown():
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<-graceful.GetManager().Done()
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@ -168,10 +166,10 @@ func runWeb(ctx *cli.Context) error {
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}
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}
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// Set up Macaron
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m := routes.NewMacaron()
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routes.RegisterRoutes(m)
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c := routes.NewChi()
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routes.RegisterRoutes(c)
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err := listen(m, true)
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err := listen(c, true)
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<-graceful.GetManager().Done()
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log.Info("PID: %d Gitea Web Finished", os.Getpid())
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log.Close()
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@ -212,7 +210,7 @@ func setPort(port string) error {
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return nil
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}
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func listen(m *macaron.Macaron, handleRedirector bool) error {
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func listen(m http.Handler, handleRedirector bool) error {
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listenAddr := setting.HTTPAddr
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if setting.Protocol != setting.UnixSocket && setting.Protocol != setting.FCGIUnix {
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listenAddr = net.JoinHostPort(listenAddr, setting.HTTPPort)
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@ -117,8 +117,8 @@ func runPR() {
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//routers.GlobalInit()
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external.RegisterParsers()
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markup.Init()
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m := routes.NewMacaron()
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routes.RegisterRoutes(m)
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c := routes.NewChi()
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routes.RegisterRoutes(c)
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log.Printf("[PR] Ready for testing !\n")
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log.Printf("[PR] Login with user1, user2, user3, ... with pass: password\n")
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@ -138,7 +138,7 @@ func runPR() {
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*/
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//Start the server
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http.ListenAndServe(":8080", context2.ClearHandler(m))
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http.ListenAndServe(":8080", context2.ClearHandler(c))
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log.Printf("[PR] Cleaning up ...\n")
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/*
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1
go.mod
1
go.mod
@ -39,6 +39,7 @@ require (
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github.com/facebookgo/subset v0.0.0-20150612182917-8dac2c3c4870 // indirect
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github.com/gliderlabs/ssh v0.3.1
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github.com/glycerine/go-unsnap-stream v0.0.0-20190901134440-81cf024a9e0a // indirect
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github.com/go-chi/chi v1.5.0
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github.com/go-enry/go-enry/v2 v2.5.2
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github.com/go-git/go-billy/v5 v5.0.0
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github.com/go-git/go-git/v5 v5.2.0
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7
go.sum
7
go.sum
@ -288,6 +288,7 @@ github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymF
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github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
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github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
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github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
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github.com/ethantkoenig/rupture v0.0.0-20181029165146-c3b3b810dc77 h1:ZLWiTTzTUBb0WEXUxobYI/RxULIzOoIP7pgfDd4p1cw=
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github.com/ethantkoenig/rupture v0.0.0-20181029165146-c3b3b810dc77/go.mod h1:MkKY/CB98aVE4VxO63X5vTQKUgcn+3XP15LMASe3lYs=
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github.com/facebookgo/ensure v0.0.0-20160127193407-b4ab57deab51 h1:0JZ+dUmQeA8IIVUMzysrX4/AKuQwWhV2dYQuPZdvdSQ=
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github.com/facebookgo/ensure v0.0.0-20160127193407-b4ab57deab51/go.mod h1:Yg+htXGokKKdzcwhuNDwVvN+uBxDGXJ7G/VN1d8fa64=
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@ -323,6 +324,8 @@ github.com/glycerine/goconvey v0.0.0-20190410193231-58a59202ab31 h1:gclg6gY70GLy
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github.com/glycerine/goconvey v0.0.0-20190410193231-58a59202ab31/go.mod h1:Ogl1Tioa0aV7gstGFO7KhffUsb9M4ydbEbbxpcEDc24=
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github.com/go-asn1-ber/asn1-ber v1.5.1 h1:pDbRAunXzIUXfx4CB2QJFv5IuPiuoW+sWvr/Us009o8=
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github.com/go-asn1-ber/asn1-ber v1.5.1/go.mod h1:hEBeB/ic+5LoWskz+yKT7vGhhPYkProFKoKdwZRWMe0=
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github.com/go-chi/chi v1.5.0 h1:2ZcJZozJ+rj6BA0c19ffBUGXEKAT/aOLOtQjD46vBRA=
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github.com/go-chi/chi v1.5.0/go.mod h1:REp24E+25iKvxgeTfHmdUoL5x15kBiDBlnIl5bCwe2k=
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github.com/go-enry/go-enry/v2 v2.5.2 h1:3f3PFAO6JitWkPi1GQ5/m6Xu4gNL1U5soJ8QaYqJ0YQ=
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github.com/go-enry/go-enry/v2 v2.5.2/go.mod h1:GVzIiAytiS5uT/QiuakK7TF1u4xDab87Y8V5EJRpsIQ=
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github.com/go-enry/go-oniguruma v1.2.1 h1:k8aAMuJfMrqm/56SG2lV9Cfti6tC4x8673aHCcBk+eo=
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@ -655,6 +658,7 @@ github.com/jackc/puddle v0.0.0-20190413234325-e4ced69a3a2b/go.mod h1:m4B5Dj62Y0f
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github.com/jackc/puddle v0.0.0-20190608224051-11cab39313c9/go.mod h1:m4B5Dj62Y0fbyuIc15OsIqK0+JU8nkqQjsgx7dvjSWk=
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github.com/jackc/puddle v1.1.0/go.mod h1:m4B5Dj62Y0fbyuIc15OsIqK0+JU8nkqQjsgx7dvjSWk=
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github.com/jarcoal/httpmock v0.0.0-20180424175123-9c70cfe4a1da/go.mod h1:ks+b9deReOc7jgqp+e7LuFiCBH6Rm5hL32cLcEAArb4=
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github.com/jaytaylor/html2text v0.0.0-20200412013138-3577fbdbcff7 h1:g0fAGBisHaEQ0TRq1iBvemFRf+8AEWEmBESSiWB3Vsc=
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github.com/jaytaylor/html2text v0.0.0-20200412013138-3577fbdbcff7/go.mod h1:CVKlgaMiht+LXvHG173ujK6JUhZXKb2u/BQtjPDIvyk=
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github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 h1:BQSFePA1RWJOlocH6Fxy8MmwDt+yVQYULKfN0RoTN8A=
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github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99/go.mod h1:1lJo3i6rXxKeerYnT8Nvf0QmHCRC1n8sfWVwXF2Frvo=
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@ -684,6 +688,7 @@ github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7V
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github.com/julienschmidt/httprouter v1.3.0/go.mod h1:JR6WtHb+2LUe8TCKY3cZOxFyyO8IZAc4RVcycCCAKdM=
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github.com/karrick/godirwalk v1.8.0/go.mod h1:H5KPZjojv4lE+QYImBI8xVtrBRgYrIVsaRPx4tDPEn4=
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github.com/karrick/godirwalk v1.10.3/go.mod h1:RoGL9dQei4vP9ilrpETWE8CLOZ1kiN0LhBygSwrAsHA=
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github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 h1:Z9n2FFNUXsshfwJMBgNA0RU6/i7WVaAegv3PtuIHPMs=
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github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51/go.mod h1:CzGEWj7cYgsdH8dAjBGEr58BoE7ScuLd+fwFZ44+/x8=
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github.com/kevinburke/ssh_config v0.0.0-20190725054713-01f96b0aa0cd h1:Coekwdh0v2wtGp9Gmz1Ze3eVRAWJMLokvN3QjdzCHLY=
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github.com/kevinburke/ssh_config v0.0.0-20190725054713-01f96b0aa0cd/go.mod h1:CT57kijsi8u/K/BOFA39wgDQJ9CxiF4nAY/ojJ6r6mM=
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@ -1025,6 +1030,7 @@ github.com/spf13/viper v1.7.0 h1:xVKxvI7ouOI5I+U9s2eeiUfMaWBVoXA3AWskkrqK0VM=
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github.com/spf13/viper v1.7.0/go.mod h1:8WkrPz2fc9jxqZNCJI/76HCieCp4Q8HaLFoCha5qpdg=
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github.com/spf13/viper v1.7.1 h1:pM5oEahlgWv/WnHXpgbKz7iLIxRf65tye2Ci+XFK5sk=
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github.com/spf13/viper v1.7.1/go.mod h1:8WkrPz2fc9jxqZNCJI/76HCieCp4Q8HaLFoCha5qpdg=
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github.com/ssor/bom v0.0.0-20170718123548-6386211fdfcf h1:pvbZ0lM0XWPBqUKqFU8cmavspvIl9nulOYwdy6IFRRo=
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github.com/ssor/bom v0.0.0-20170718123548-6386211fdfcf/go.mod h1:RJID2RhlZKId02nZ62WenDCkgHFerpIOmW0iT7GKmXM=
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github.com/steveyen/gtreap v0.1.0 h1:CjhzTa274PyJLJuMZwIzCO1PfC00oRa8d1Kc78bFXJM=
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github.com/steveyen/gtreap v0.1.0/go.mod h1:kl/5J7XbrOmlIbYIXdRHDDE5QxHqpk0cmkT7Z4dM9/Y=
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@ -1069,6 +1075,7 @@ github.com/unknwon/com v1.0.1/go.mod h1:tOOxU81rwgoCLoOVVPHb6T/wt8HZygqH5id+GNnl
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github.com/unknwon/i18n v0.0.0-20190805065654-5c6446a380b6/go.mod h1:+5rDk6sDGpl3azws3O+f+GpFSyN9GVr0K8cvQLQM2ZQ=
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github.com/unknwon/i18n v0.0.0-20200823051745-09abd91c7f2c h1:679/gJXwrsHC3RATr0YYjZvDMJPYN7W9FGSGNoLmKxM=
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github.com/unknwon/i18n v0.0.0-20200823051745-09abd91c7f2c/go.mod h1:+5rDk6sDGpl3azws3O+f+GpFSyN9GVr0K8cvQLQM2ZQ=
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github.com/unknwon/paginater v0.0.0-20200328080006-042474bd0eae h1:ihaXiJkaca54IaCSnEXtE/uSZOmPxKZhDfVLrzZLFDs=
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github.com/unknwon/paginater v0.0.0-20200328080006-042474bd0eae/go.mod h1:1fdkY6xxl6ExVs2QFv7R0F5IRZHKA8RahhB9fMC9RvM=
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github.com/urfave/cli v1.20.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA=
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github.com/urfave/cli v1.22.1/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
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@ -58,8 +58,8 @@ func TestSessionFileCreation(t *testing.T) {
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oldSessionConfig := setting.SessionConfig.ProviderConfig
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defer func() {
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setting.SessionConfig.ProviderConfig = oldSessionConfig
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mac = routes.NewMacaron()
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routes.RegisterRoutes(mac)
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c = routes.NewChi()
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routes.RegisterRoutes(c)
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}()
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var config session.Options
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@ -83,8 +83,8 @@ func TestSessionFileCreation(t *testing.T) {
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setting.SessionConfig.ProviderConfig = string(newConfigBytes)
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mac = routes.NewMacaron()
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routes.RegisterRoutes(mac)
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c = routes.NewChi()
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routes.RegisterRoutes(c)
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t.Run("NoSessionOnViewIssue", func(t *testing.T) {
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defer PrintCurrentTest(t)()
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@ -82,7 +82,7 @@ func onGiteaRun(t *testing.T, callback func(*testing.T, *url.URL), prepare ...bo
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defer prepareTestEnv(t, 1)()
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}
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s := http.Server{
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Handler: mac,
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Handler: c,
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}
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u, err := url.Parse(setting.AppURL)
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@ -34,13 +34,13 @@ import (
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"code.gitea.io/gitea/routers"
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"code.gitea.io/gitea/routers/routes"
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"gitea.com/macaron/macaron"
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"github.com/PuerkitoBio/goquery"
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"github.com/go-chi/chi"
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"github.com/stretchr/testify/assert"
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"github.com/unknwon/com"
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)
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var mac *macaron.Macaron
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var c chi.Router
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type NilResponseRecorder struct {
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httptest.ResponseRecorder
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@ -67,8 +67,8 @@ func TestMain(m *testing.M) {
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defer cancel()
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initIntegrationTest()
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mac = routes.NewMacaron()
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routes.RegisterRoutes(mac)
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c = routes.NewChi()
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routes.RegisterRoutes(c)
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// integration test settings...
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if setting.Cfg != nil {
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@ -404,7 +404,7 @@ const NoExpectedStatus = -1
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func MakeRequest(t testing.TB, req *http.Request, expectedStatus int) *httptest.ResponseRecorder {
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t.Helper()
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recorder := httptest.NewRecorder()
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mac.ServeHTTP(recorder, req)
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c.ServeHTTP(recorder, req)
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if expectedStatus != NoExpectedStatus {
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if !assert.EqualValues(t, expectedStatus, recorder.Code,
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"Request: %s %s", req.Method, req.URL.String()) {
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@ -417,7 +417,7 @@ func MakeRequest(t testing.TB, req *http.Request, expectedStatus int) *httptest.
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func MakeRequestNilResponseRecorder(t testing.TB, req *http.Request, expectedStatus int) *NilResponseRecorder {
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t.Helper()
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recorder := NewNilResponseRecorder()
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mac.ServeHTTP(recorder, req)
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c.ServeHTTP(recorder, req)
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if expectedStatus != NoExpectedStatus {
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if !assert.EqualValues(t, expectedStatus, recorder.Code,
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"Request: %s %s", req.Method, req.URL.String()) {
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@ -5,7 +5,9 @@
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package integrations
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import (
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"bytes"
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"encoding/json"
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"io/ioutil"
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"testing"
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"code.gitea.io/gitea/modules/setting"
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@ -233,11 +235,21 @@ func TestRefreshTokenInvalidation(t *testing.T) {
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"redirect_uri": "a",
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"refresh_token": parsed.RefreshToken,
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})
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// tip: Why this changed, because macaron will set req.Body back when consume the req but chi will not.
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bs, err := ioutil.ReadAll(refreshReq.Body)
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assert.NoError(t, err)
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refreshReq.Body = ioutil.NopCloser(bytes.NewReader(bs))
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MakeRequest(t, refreshReq, 200)
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refreshReq.Body = ioutil.NopCloser(bytes.NewReader(bs))
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MakeRequest(t, refreshReq, 200)
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// test with invalidation
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setting.OAuth2.InvalidateRefreshTokens = true
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refreshReq.Body = ioutil.NopCloser(bytes.NewReader(bs))
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MakeRequest(t, refreshReq, 200)
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refreshReq.Body = ioutil.NopCloser(bytes.NewReader(bs))
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MakeRequest(t, refreshReq, 400)
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}
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|
@ -6,11 +6,9 @@
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package public
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import (
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"gitea.com/macaron/macaron"
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)
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import "net/http"
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// Static implements the macaron static handler for serving assets.
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func Static(opts *Options) macaron.Handler {
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func Static(opts *Options) func(next http.Handler) http.Handler {
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return opts.staticHandler(opts.Directory)
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}
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|
@ -15,8 +15,6 @@ import (
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"time"
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"code.gitea.io/gitea/modules/setting"
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"gitea.com/macaron/macaron"
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)
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// Options represents the available options to configure the macaron handler.
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@ -41,7 +39,7 @@ var KnownPublicEntries = []string{
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}
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// Custom implements the macaron static handler for serving custom assets.
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func Custom(opts *Options) macaron.Handler {
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func Custom(opts *Options) func(next http.Handler) http.Handler {
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return opts.staticHandler(path.Join(setting.CustomPath, "public"))
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}
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@ -52,7 +50,7 @@ type staticFileSystem struct {
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func newStaticFileSystem(directory string) staticFileSystem {
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if !filepath.IsAbs(directory) {
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directory = filepath.Join(macaron.Root, directory)
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directory = filepath.Join(setting.AppWorkPath, directory)
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}
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dir := http.Dir(directory)
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return staticFileSystem{&dir}
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@ -63,11 +61,12 @@ func (fs staticFileSystem) Open(name string) (http.File, error) {
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}
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// StaticHandler sets up a new middleware for serving static files in the
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func StaticHandler(dir string, opts *Options) macaron.Handler {
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func StaticHandler(dir string, opts *Options) func(next http.Handler) http.Handler {
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return opts.staticHandler(dir)
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}
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|
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func (opts *Options) staticHandler(dir string) macaron.Handler {
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func (opts *Options) staticHandler(dir string) func(next http.Handler) http.Handler {
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return func(next http.Handler) http.Handler {
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// Defaults
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||||
if len(opts.IndexFile) == 0 {
|
||||
opts.IndexFile = "index.html"
|
||||
@ -85,17 +84,20 @@ func (opts *Options) staticHandler(dir string) macaron.Handler {
|
||||
opts.FileSystem = newStaticFileSystem(dir)
|
||||
}
|
||||
|
||||
return func(ctx *macaron.Context, log *log.Logger) {
|
||||
opts.handle(ctx, log, opts)
|
||||
return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
|
||||
if !opts.handle(w, req, opts) {
|
||||
next.ServeHTTP(w, req)
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func (opts *Options) handle(ctx *macaron.Context, log *log.Logger, opt *Options) bool {
|
||||
if ctx.Req.Method != "GET" && ctx.Req.Method != "HEAD" {
|
||||
func (opts *Options) handle(w http.ResponseWriter, req *http.Request, opt *Options) bool {
|
||||
if req.Method != "GET" && req.Method != "HEAD" {
|
||||
return false
|
||||
}
|
||||
|
||||
file := ctx.Req.URL.Path
|
||||
file := req.URL.Path
|
||||
// if we have a prefix, filter requests by stripping the prefix
|
||||
if opt.Prefix != "" {
|
||||
if !strings.HasPrefix(file, opt.Prefix) {
|
||||
@ -117,7 +119,7 @@ func (opts *Options) handle(ctx *macaron.Context, log *log.Logger, opt *Options)
|
||||
}
|
||||
for _, entry := range KnownPublicEntries {
|
||||
if entry == parts[1] {
|
||||
ctx.Resp.WriteHeader(404)
|
||||
w.WriteHeader(404)
|
||||
return true
|
||||
}
|
||||
}
|
||||
@ -135,8 +137,8 @@ func (opts *Options) handle(ctx *macaron.Context, log *log.Logger, opt *Options)
|
||||
// Try to serve index file
|
||||
if fi.IsDir() {
|
||||
// Redirect if missing trailing slash.
|
||||
if !strings.HasSuffix(ctx.Req.URL.Path, "/") {
|
||||
http.Redirect(ctx.Resp, ctx.Req.Request, path.Clean(ctx.Req.URL.Path+"/"), http.StatusFound)
|
||||
if !strings.HasSuffix(req.URL.Path, "/") {
|
||||
http.Redirect(w, req, path.Clean(req.URL.Path+"/"), http.StatusFound)
|
||||
return true
|
||||
}
|
||||
|
||||
@ -148,7 +150,7 @@ func (opts *Options) handle(ctx *macaron.Context, log *log.Logger, opt *Options)
|
||||
|
||||
fi, err = f.Stat()
|
||||
if err != nil || fi.IsDir() {
|
||||
return true
|
||||
return false
|
||||
}
|
||||
}
|
||||
|
||||
@ -158,16 +160,16 @@ func (opts *Options) handle(ctx *macaron.Context, log *log.Logger, opt *Options)
|
||||
|
||||
// Add an Expires header to the static content
|
||||
if opt.ExpiresAfter > 0 {
|
||||
ctx.Resp.Header().Set("Expires", time.Now().Add(opt.ExpiresAfter).UTC().Format(http.TimeFormat))
|
||||
w.Header().Set("Expires", time.Now().Add(opt.ExpiresAfter).UTC().Format(http.TimeFormat))
|
||||
tag := GenerateETag(fmt.Sprint(fi.Size()), fi.Name(), fi.ModTime().UTC().Format(http.TimeFormat))
|
||||
ctx.Resp.Header().Set("ETag", tag)
|
||||
if ctx.Req.Header.Get("If-None-Match") == tag {
|
||||
ctx.Resp.WriteHeader(304)
|
||||
return false
|
||||
w.Header().Set("ETag", tag)
|
||||
if req.Header.Get("If-None-Match") == tag {
|
||||
w.WriteHeader(304)
|
||||
return true
|
||||
}
|
||||
}
|
||||
|
||||
http.ServeContent(ctx.Resp, ctx.Req.Request, file, fi.ModTime(), f)
|
||||
http.ServeContent(w, req, file, fi.ModTime(), f)
|
||||
return true
|
||||
}
|
||||
|
||||
|
@ -8,12 +8,11 @@ package public
|
||||
|
||||
import (
|
||||
"io/ioutil"
|
||||
|
||||
"gitea.com/macaron/macaron"
|
||||
"net/http"
|
||||
)
|
||||
|
||||
// Static implements the macaron static handler for serving assets.
|
||||
func Static(opts *Options) macaron.Handler {
|
||||
func Static(opts *Options) func(next http.Handler) http.Handler {
|
||||
opts.FileSystem = Assets
|
||||
// we don't need to pass the directory, because the directory var is only
|
||||
// used when in the options there is no FileSystem.
|
||||
|
260
routers/routes/chi.go
Normal file
260
routers/routes/chi.go
Normal file
@ -0,0 +1,260 @@
|
||||
// Copyright 2020 The Gitea Authors. All rights reserved.
|
||||
// Use of this source code is governed by a MIT-style
|
||||
// license that can be found in the LICENSE file.
|
||||
|
||||
package routes
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"errors"
|
||||
"fmt"
|
||||
"io"
|
||||
"net/http"
|
||||
"os"
|
||||
"path"
|
||||
"strings"
|
||||
"text/template"
|
||||
"time"
|
||||
|
||||
"code.gitea.io/gitea/modules/log"
|
||||
"code.gitea.io/gitea/modules/public"
|
||||
"code.gitea.io/gitea/modules/setting"
|
||||
"code.gitea.io/gitea/modules/storage"
|
||||
|
||||
"github.com/go-chi/chi"
|
||||
"github.com/go-chi/chi/middleware"
|
||||
)
|
||||
|
||||
type routerLoggerOptions struct {
|
||||
req *http.Request
|
||||
Identity *string
|
||||
Start *time.Time
|
||||
ResponseWriter http.ResponseWriter
|
||||
}
|
||||
|
||||
// SignedUserName returns signed user's name via context
|
||||
// FIXME currently no any data stored on gin.Context but macaron.Context, so this will
|
||||
// return "" before we remove macaron totally
|
||||
func SignedUserName(req *http.Request) string {
|
||||
if v, ok := req.Context().Value("SignedUserName").(string); ok {
|
||||
return v
|
||||
}
|
||||
return ""
|
||||
}
|
||||
|
||||
func setupAccessLogger(c chi.Router) {
|
||||
logger := log.GetLogger("access")
|
||||
|
||||
logTemplate, _ := template.New("log").Parse(setting.AccessLogTemplate)
|
||||
c.Use(func(next http.Handler) http.Handler {
|
||||
return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
|
||||
start := time.Now()
|
||||
next.ServeHTTP(w, req)
|
||||
identity := "-"
|
||||
if val := SignedUserName(req); val != "" {
|
||||
identity = val
|
||||
}
|
||||
rw := w
|
||||
|
||||
buf := bytes.NewBuffer([]byte{})
|
||||
err := logTemplate.Execute(buf, routerLoggerOptions{
|
||||
req: req,
|
||||
Identity: &identity,
|
||||
Start: &start,
|
||||
ResponseWriter: rw,
|
||||
})
|
||||
if err != nil {
|
||||
log.Error("Could not set up macaron access logger: %v", err.Error())
|
||||
}
|
||||
|
||||
err = logger.SendLog(log.INFO, "", "", 0, buf.String(), "")
|
||||
if err != nil {
|
||||
log.Error("Could not set up macaron access logger: %v", err.Error())
|
||||
}
|
||||
})
|
||||
})
|
||||
}
|
||||
|
||||
// LoggerHandler is a handler that will log the routing to the default gitea log
|
||||
func LoggerHandler(level log.Level) func(next http.Handler) http.Handler {
|
||||
return func(next http.Handler) http.Handler {
|
||||
return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
|
||||
start := time.Now()
|
||||
|
||||
_ = log.GetLogger("router").Log(0, level, "Started %s %s for %s", log.ColoredMethod(req.Method), req.RequestURI, req.RemoteAddr)
|
||||
|
||||
next.ServeHTTP(w, req)
|
||||
|
||||
ww := middleware.NewWrapResponseWriter(w, req.ProtoMajor)
|
||||
|
||||
status := ww.Status()
|
||||
_ = log.GetLogger("router").Log(0, level, "Completed %s %s %v %s in %v", log.ColoredMethod(req.Method), req.RequestURI, log.ColoredStatus(status), log.ColoredStatus(status, http.StatusText(status)), log.ColoredTime(time.Since(start)))
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
// Recovery returns a middleware that recovers from any panics and writes a 500 and a log if so.
|
||||
// Although similar to macaron.Recovery() the main difference is that this error will be created
|
||||
// with the gitea 500 page.
|
||||
func Recovery() func(next http.Handler) http.Handler {
|
||||
return func(next http.Handler) http.Handler {
|
||||
return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
|
||||
defer func() {
|
||||
if err := recover(); err != nil {
|
||||
combinedErr := fmt.Sprintf("PANIC: %v\n%s", err, string(log.Stack(2)))
|
||||
http.Error(w, combinedErr, 500)
|
||||
}
|
||||
}()
|
||||
|
||||
next.ServeHTTP(w, req)
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func storageHandler(storageSetting setting.Storage, prefix string, objStore storage.ObjectStorage) func(next http.Handler) http.Handler {
|
||||
return func(next http.Handler) http.Handler {
|
||||
if storageSetting.ServeDirect {
|
||||
return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
|
||||
if req.Method != "GET" && req.Method != "HEAD" {
|
||||
next.ServeHTTP(w, req)
|
||||
return
|
||||
}
|
||||
|
||||
if !strings.HasPrefix(req.RequestURI, "/"+prefix) {
|
||||
next.ServeHTTP(w, req)
|
||||
return
|
||||
}
|
||||
|
||||
rPath := strings.TrimPrefix(req.RequestURI, "/"+prefix)
|
||||
u, err := objStore.URL(rPath, path.Base(rPath))
|
||||
if err != nil {
|
||||
if os.IsNotExist(err) || errors.Is(err, os.ErrNotExist) {
|
||||
log.Warn("Unable to find %s %s", prefix, rPath)
|
||||
http.Error(w, "file not found", 404)
|
||||
return
|
||||
}
|
||||
log.Error("Error whilst getting URL for %s %s. Error: %v", prefix, rPath, err)
|
||||
http.Error(w, fmt.Sprintf("Error whilst getting URL for %s %s", prefix, rPath), 500)
|
||||
return
|
||||
}
|
||||
http.Redirect(
|
||||
w,
|
||||
req,
|
||||
u.String(),
|
||||
301,
|
||||
)
|
||||
})
|
||||
}
|
||||
|
||||
return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
|
||||
if req.Method != "GET" && req.Method != "HEAD" {
|
||||
next.ServeHTTP(w, req)
|
||||
return
|
||||
}
|
||||
|
||||
if !strings.HasPrefix(req.RequestURI, "/"+prefix) {
|
||||
next.ServeHTTP(w, req)
|
||||
return
|
||||
}
|
||||
|
||||
rPath := strings.TrimPrefix(req.RequestURI, "/"+prefix)
|
||||
rPath = strings.TrimPrefix(rPath, "/")
|
||||
//If we have matched and access to release or issue
|
||||
fr, err := objStore.Open(rPath)
|
||||
if err != nil {
|
||||
if os.IsNotExist(err) || errors.Is(err, os.ErrNotExist) {
|
||||
log.Warn("Unable to find %s %s", prefix, rPath)
|
||||
http.Error(w, "file not found", 404)
|
||||
return
|
||||
}
|
||||
log.Error("Error whilst opening %s %s. Error: %v", prefix, rPath, err)
|
||||
http.Error(w, fmt.Sprintf("Error whilst opening %s %s", prefix, rPath), 500)
|
||||
return
|
||||
}
|
||||
defer fr.Close()
|
||||
|
||||
_, err = io.Copy(w, fr)
|
||||
if err != nil {
|
||||
log.Error("Error whilst rendering %s %s. Error: %v", prefix, rPath, err)
|
||||
http.Error(w, fmt.Sprintf("Error whilst rendering %s %s", prefix, rPath), 500)
|
||||
return
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
// NewChi creates a chi Router
|
||||
func NewChi() chi.Router {
|
||||
c := chi.NewRouter()
|
||||
if !setting.DisableRouterLog && setting.RouterLogLevel != log.NONE {
|
||||
if log.GetLogger("router").GetLevel() <= setting.RouterLogLevel {
|
||||
c.Use(LoggerHandler(setting.RouterLogLevel))
|
||||
}
|
||||
}
|
||||
c.Use(Recovery())
|
||||
if setting.EnableAccessLog {
|
||||
setupAccessLogger(c)
|
||||
}
|
||||
if setting.ProdMode {
|
||||
log.Warn("ProdMode ignored")
|
||||
}
|
||||
|
||||
c.Use(public.Custom(
|
||||
&public.Options{
|
||||
SkipLogging: setting.DisableRouterLog,
|
||||
ExpiresAfter: time.Hour * 6,
|
||||
},
|
||||
))
|
||||
c.Use(public.Static(
|
||||
&public.Options{
|
||||
Directory: path.Join(setting.StaticRootPath, "public"),
|
||||
SkipLogging: setting.DisableRouterLog,
|
||||
ExpiresAfter: time.Hour * 6,
|
||||
},
|
||||
))
|
||||
|
||||
c.Use(storageHandler(setting.Avatar.Storage, "avatars", storage.Avatars))
|
||||
c.Use(storageHandler(setting.RepoAvatar.Storage, "repo-avatars", storage.RepoAvatars))
|
||||
|
||||
return c
|
||||
}
|
||||
|
||||
// RegisterInstallRoute registers the install routes
|
||||
func RegisterInstallRoute(c chi.Router) {
|
||||
m := NewMacaron()
|
||||
RegisterMacaronInstallRoute(m)
|
||||
|
||||
c.NotFound(func(w http.ResponseWriter, req *http.Request) {
|
||||
m.ServeHTTP(w, req)
|
||||
})
|
||||
|
||||
c.MethodNotAllowed(func(w http.ResponseWriter, req *http.Request) {
|
||||
m.ServeHTTP(w, req)
|
||||
})
|
||||
}
|
||||
|
||||
// RegisterRoutes registers gin routes
|
||||
func RegisterRoutes(c chi.Router) {
|
||||
// for health check
|
||||
c.Head("/", func(w http.ResponseWriter, req *http.Request) {
|
||||
w.WriteHeader(http.StatusOK)
|
||||
})
|
||||
|
||||
// robots.txt
|
||||
if setting.HasRobotsTxt {
|
||||
c.Get("/robots.txt", func(w http.ResponseWriter, req *http.Request) {
|
||||
http.ServeFile(w, req, path.Join(setting.CustomPath, "robots.txt"))
|
||||
})
|
||||
}
|
||||
|
||||
m := NewMacaron()
|
||||
RegisterMacaronRoutes(m)
|
||||
|
||||
c.NotFound(func(w http.ResponseWriter, req *http.Request) {
|
||||
m.ServeHTTP(w, req)
|
||||
})
|
||||
|
||||
c.MethodNotAllowed(func(w http.ResponseWriter, req *http.Request) {
|
||||
m.ServeHTTP(w, req)
|
||||
})
|
||||
}
|
@ -5,17 +5,8 @@
|
||||
package routes
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"encoding/gob"
|
||||
"errors"
|
||||
"fmt"
|
||||
"io"
|
||||
"net/http"
|
||||
"os"
|
||||
"path"
|
||||
"strings"
|
||||
"text/template"
|
||||
"time"
|
||||
|
||||
"code.gitea.io/gitea/models"
|
||||
"code.gitea.io/gitea/modules/auth"
|
||||
@ -24,9 +15,7 @@ import (
|
||||
"code.gitea.io/gitea/modules/log"
|
||||
"code.gitea.io/gitea/modules/metrics"
|
||||
"code.gitea.io/gitea/modules/options"
|
||||
"code.gitea.io/gitea/modules/public"
|
||||
"code.gitea.io/gitea/modules/setting"
|
||||
"code.gitea.io/gitea/modules/storage"
|
||||
"code.gitea.io/gitea/modules/templates"
|
||||
"code.gitea.io/gitea/modules/validation"
|
||||
"code.gitea.io/gitea/routers"
|
||||
@ -58,129 +47,6 @@ import (
|
||||
"github.com/tstranex/u2f"
|
||||
)
|
||||
|
||||
type routerLoggerOptions struct {
|
||||
Ctx *macaron.Context
|
||||
Identity *string
|
||||
Start *time.Time
|
||||
ResponseWriter *macaron.ResponseWriter
|
||||
}
|
||||
|
||||
func setupAccessLogger(m *macaron.Macaron) {
|
||||
logger := log.GetLogger("access")
|
||||
|
||||
logTemplate, _ := template.New("log").Parse(setting.AccessLogTemplate)
|
||||
m.Use(func(ctx *macaron.Context) {
|
||||
start := time.Now()
|
||||
ctx.Next()
|
||||
identity := "-"
|
||||
if val, ok := ctx.Data["SignedUserName"]; ok {
|
||||
if stringVal, ok := val.(string); ok && stringVal != "" {
|
||||
identity = stringVal
|
||||
}
|
||||
}
|
||||
rw := ctx.Resp.(macaron.ResponseWriter)
|
||||
|
||||
buf := bytes.NewBuffer([]byte{})
|
||||
err := logTemplate.Execute(buf, routerLoggerOptions{
|
||||
Ctx: ctx,
|
||||
Identity: &identity,
|
||||
Start: &start,
|
||||
ResponseWriter: &rw,
|
||||
})
|
||||
if err != nil {
|
||||
log.Error("Could not set up macaron access logger: %v", err.Error())
|
||||
}
|
||||
|
||||
err = logger.SendLog(log.INFO, "", "", 0, buf.String(), "")
|
||||
if err != nil {
|
||||
log.Error("Could not set up macaron access logger: %v", err.Error())
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
// RouterHandler is a macaron handler that will log the routing to the default gitea log
|
||||
func RouterHandler(level log.Level) func(ctx *macaron.Context) {
|
||||
return func(ctx *macaron.Context) {
|
||||
start := time.Now()
|
||||
|
||||
_ = log.GetLogger("router").Log(0, level, "Started %s %s for %s", log.ColoredMethod(ctx.Req.Method), ctx.Req.URL.RequestURI(), ctx.RemoteAddr())
|
||||
|
||||
rw := ctx.Resp.(macaron.ResponseWriter)
|
||||
ctx.Next()
|
||||
|
||||
status := rw.Status()
|
||||
_ = log.GetLogger("router").Log(0, level, "Completed %s %s %v %s in %v", log.ColoredMethod(ctx.Req.Method), ctx.Req.URL.RequestURI(), log.ColoredStatus(status), log.ColoredStatus(status, http.StatusText(rw.Status())), log.ColoredTime(time.Since(start)))
|
||||
}
|
||||
}
|
||||
|
||||
func storageHandler(storageSetting setting.Storage, prefix string, objStore storage.ObjectStorage) macaron.Handler {
|
||||
if storageSetting.ServeDirect {
|
||||
return func(ctx *macaron.Context) {
|
||||
req := ctx.Req.Request
|
||||
if req.Method != "GET" && req.Method != "HEAD" {
|
||||
return
|
||||
}
|
||||
|
||||
if !strings.HasPrefix(req.RequestURI, "/"+prefix) {
|
||||
return
|
||||
}
|
||||
|
||||
rPath := strings.TrimPrefix(req.RequestURI, "/"+prefix)
|
||||
u, err := objStore.URL(rPath, path.Base(rPath))
|
||||
if err != nil {
|
||||
if os.IsNotExist(err) || errors.Is(err, os.ErrNotExist) {
|
||||
log.Warn("Unable to find %s %s", prefix, rPath)
|
||||
ctx.Error(404, "file not found")
|
||||
return
|
||||
}
|
||||
log.Error("Error whilst getting URL for %s %s. Error: %v", prefix, rPath, err)
|
||||
ctx.Error(500, fmt.Sprintf("Error whilst getting URL for %s %s", prefix, rPath))
|
||||
return
|
||||
}
|
||||
http.Redirect(
|
||||
ctx.Resp,
|
||||
req,
|
||||
u.String(),
|
||||
301,
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
return func(ctx *macaron.Context) {
|
||||
req := ctx.Req.Request
|
||||
if req.Method != "GET" && req.Method != "HEAD" {
|
||||
return
|
||||
}
|
||||
|
||||
if !strings.HasPrefix(req.RequestURI, "/"+prefix) {
|
||||
return
|
||||
}
|
||||
|
||||
rPath := strings.TrimPrefix(req.RequestURI, "/"+prefix)
|
||||
rPath = strings.TrimPrefix(rPath, "/")
|
||||
//If we have matched and access to release or issue
|
||||
fr, err := objStore.Open(rPath)
|
||||
if err != nil {
|
||||
if os.IsNotExist(err) || errors.Is(err, os.ErrNotExist) {
|
||||
log.Warn("Unable to find %s %s", prefix, rPath)
|
||||
ctx.Error(404, "file not found")
|
||||
return
|
||||
}
|
||||
log.Error("Error whilst opening %s %s. Error: %v", prefix, rPath, err)
|
||||
ctx.Error(500, fmt.Sprintf("Error whilst opening %s %s", prefix, rPath))
|
||||
return
|
||||
}
|
||||
defer fr.Close()
|
||||
|
||||
_, err = io.Copy(ctx.Resp, fr)
|
||||
if err != nil {
|
||||
log.Error("Error whilst rendering %s %s. Error: %v", prefix, rPath, err)
|
||||
ctx.Error(500, fmt.Sprintf("Error whilst rendering %s %s", prefix, rPath))
|
||||
return
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// NewMacaron initializes Macaron instance.
|
||||
func NewMacaron() *macaron.Macaron {
|
||||
gob.Register(&u2f.Challenge{})
|
||||
@ -188,47 +54,19 @@ func NewMacaron() *macaron.Macaron {
|
||||
if setting.RedirectMacaronLog {
|
||||
loggerAsWriter := log.NewLoggerAsWriter("INFO", log.GetLogger("macaron"))
|
||||
m = macaron.NewWithLogger(loggerAsWriter)
|
||||
if !setting.DisableRouterLog && setting.RouterLogLevel != log.NONE {
|
||||
if log.GetLogger("router").GetLevel() <= setting.RouterLogLevel {
|
||||
m.Use(RouterHandler(setting.RouterLogLevel))
|
||||
}
|
||||
}
|
||||
} else {
|
||||
m = macaron.New()
|
||||
if !setting.DisableRouterLog {
|
||||
m.Use(macaron.Logger())
|
||||
}
|
||||
}
|
||||
// Access Logger is similar to Router Log but more configurable and by default is more like the NCSA Common Log format
|
||||
if setting.EnableAccessLog {
|
||||
setupAccessLogger(m)
|
||||
}
|
||||
m.Use(macaron.Recovery())
|
||||
|
||||
if setting.EnableGzip {
|
||||
m.Use(gzip.Middleware())
|
||||
}
|
||||
if setting.Protocol == setting.FCGI || setting.Protocol == setting.FCGIUnix {
|
||||
m.SetURLPrefix(setting.AppSubURL)
|
||||
}
|
||||
m.Use(public.Custom(
|
||||
&public.Options{
|
||||
SkipLogging: setting.DisableRouterLog,
|
||||
ExpiresAfter: setting.StaticCacheTime,
|
||||
},
|
||||
))
|
||||
m.Use(public.Static(
|
||||
&public.Options{
|
||||
Directory: path.Join(setting.StaticRootPath, "public"),
|
||||
SkipLogging: setting.DisableRouterLog,
|
||||
ExpiresAfter: setting.StaticCacheTime,
|
||||
},
|
||||
))
|
||||
|
||||
m.Use(templates.HTMLRenderer())
|
||||
|
||||
m.Use(storageHandler(setting.Avatar.Storage, "avatars", storage.Avatars))
|
||||
m.Use(storageHandler(setting.RepoAvatar.Storage, "repo-avatars", storage.RepoAvatars))
|
||||
|
||||
mailer.InitMailRender(templates.Mailer())
|
||||
|
||||
localeNames, err := options.Dir("locale")
|
||||
@ -294,15 +132,12 @@ func NewMacaron() *macaron.Macaron {
|
||||
DisableDebug: !setting.EnablePprof,
|
||||
}))
|
||||
m.Use(context.Contexter())
|
||||
// OK we are now set-up enough to allow us to create a nicer recovery than
|
||||
// the default macaron recovery
|
||||
m.Use(context.Recovery())
|
||||
m.SetAutoHead(true)
|
||||
return m
|
||||
}
|
||||
|
||||
// RegisterInstallRoute registers the install routes
|
||||
func RegisterInstallRoute(m *macaron.Macaron) {
|
||||
// RegisterMacaronInstallRoute registers the install routes
|
||||
func RegisterMacaronInstallRoute(m *macaron.Macaron) {
|
||||
m.Combo("/", routers.InstallInit).Get(routers.Install).
|
||||
Post(binding.BindIgnErr(auth.InstallForm{}), routers.InstallPost)
|
||||
m.NotFound(func(ctx *context.Context) {
|
||||
@ -310,8 +145,8 @@ func RegisterInstallRoute(m *macaron.Macaron) {
|
||||
})
|
||||
}
|
||||
|
||||
// RegisterRoutes routes routes to Macaron
|
||||
func RegisterRoutes(m *macaron.Macaron) {
|
||||
// RegisterMacaronRoutes routes routes to Macaron
|
||||
func RegisterMacaronRoutes(m *macaron.Macaron) {
|
||||
reqSignIn := context.Toggle(&context.ToggleOptions{SignInRequired: true})
|
||||
ignSignIn := context.Toggle(&context.ToggleOptions{SignInRequired: setting.Service.RequireSignInView})
|
||||
ignSignInAndCsrf := context.Toggle(&context.ToggleOptions{DisableCSRF: true})
|
||||
@ -353,9 +188,6 @@ func RegisterRoutes(m *macaron.Macaron) {
|
||||
// Especially some AJAX requests, we can reduce middleware number to improve performance.
|
||||
// Routers.
|
||||
// for health check
|
||||
m.Head("/", func() string {
|
||||
return ""
|
||||
})
|
||||
m.Get("/", routers.Home)
|
||||
m.Group("/explore", func() {
|
||||
m.Get("", func(ctx *context.Context) {
|
||||
@ -1146,15 +978,6 @@ func RegisterRoutes(m *macaron.Macaron) {
|
||||
private.RegisterRoutes(m)
|
||||
})
|
||||
|
||||
// robots.txt
|
||||
m.Get("/robots.txt", func(ctx *context.Context) {
|
||||
if setting.HasRobotsTxt {
|
||||
ctx.ServeFileContent(path.Join(setting.CustomPath, "robots.txt"))
|
||||
} else {
|
||||
ctx.NotFound("", nil)
|
||||
}
|
||||
})
|
||||
|
||||
m.Get("/apple-touch-icon.png", func(ctx *context.Context) {
|
||||
ctx.Redirect(path.Join(setting.StaticURLPrefix, "img/apple-touch-icon.png"), 301)
|
||||
})
|
3
vendor/github.com/go-chi/chi/.gitignore
generated
vendored
Normal file
3
vendor/github.com/go-chi/chi/.gitignore
generated
vendored
Normal file
@ -0,0 +1,3 @@
|
||||
.idea
|
||||
*.sw?
|
||||
.vscode
|
20
vendor/github.com/go-chi/chi/.travis.yml
generated
vendored
Normal file
20
vendor/github.com/go-chi/chi/.travis.yml
generated
vendored
Normal file
@ -0,0 +1,20 @@
|
||||
language: go
|
||||
|
||||
go:
|
||||
- 1.10.x
|
||||
- 1.11.x
|
||||
- 1.12.x
|
||||
- 1.13.x
|
||||
- 1.14.x
|
||||
|
||||
script:
|
||||
- go get -d -t ./...
|
||||
- go vet ./...
|
||||
- go test ./...
|
||||
- >
|
||||
go_version=$(go version);
|
||||
if [ ${go_version:13:4} = "1.12" ]; then
|
||||
go get -u golang.org/x/tools/cmd/goimports;
|
||||
goimports -d -e ./ | grep '.*' && { echo; echo "Aborting due to non-empty goimports output."; exit 1; } || :;
|
||||
fi
|
||||
|
190
vendor/github.com/go-chi/chi/CHANGELOG.md
generated
vendored
Normal file
190
vendor/github.com/go-chi/chi/CHANGELOG.md
generated
vendored
Normal file
@ -0,0 +1,190 @@
|
||||
# Changelog
|
||||
|
||||
## v4.1.2 (2020-06-02)
|
||||
|
||||
- fix that handles MethodNotAllowed with path variables, thank you @caseyhadden for your contribution
|
||||
- fix to replace nested wildcards correctly in RoutePattern, thank you @@unmultimedio for your contribution
|
||||
- History of changes: see https://github.com/go-chi/chi/compare/v4.1.1...v4.1.2
|
||||
|
||||
|
||||
## v4.1.1 (2020-04-16)
|
||||
|
||||
- fix for issue https://github.com/go-chi/chi/issues/411 which allows for overlapping regexp
|
||||
route to the correct handler through a recursive tree search, thanks to @Jahaja for the PR/fix!
|
||||
- new middleware.RouteHeaders as a simple router for request headers with wildcard support
|
||||
- History of changes: see https://github.com/go-chi/chi/compare/v4.1.0...v4.1.1
|
||||
|
||||
|
||||
## v4.1.0 (2020-04-1)
|
||||
|
||||
- middleware.LogEntry: Write method on interface now passes the response header
|
||||
and an extra interface type useful for custom logger implementations.
|
||||
- middleware.WrapResponseWriter: minor fix
|
||||
- middleware.Recoverer: a bit prettier
|
||||
- History of changes: see https://github.com/go-chi/chi/compare/v4.0.4...v4.1.0
|
||||
|
||||
|
||||
## v4.0.4 (2020-03-24)
|
||||
|
||||
- middleware.Recoverer: new pretty stack trace printing (https://github.com/go-chi/chi/pull/496)
|
||||
- a few minor improvements and fixes
|
||||
- History of changes: see https://github.com/go-chi/chi/compare/v4.0.3...v4.0.4
|
||||
|
||||
|
||||
## v4.0.3 (2020-01-09)
|
||||
|
||||
- core: fix regexp routing to include default value when param is not matched
|
||||
- middleware: rewrite of middleware.Compress
|
||||
- middleware: suppress http.ErrAbortHandler in middleware.Recoverer
|
||||
- History of changes: see https://github.com/go-chi/chi/compare/v4.0.2...v4.0.3
|
||||
|
||||
|
||||
## v4.0.2 (2019-02-26)
|
||||
|
||||
- Minor fixes
|
||||
- History of changes: see https://github.com/go-chi/chi/compare/v4.0.1...v4.0.2
|
||||
|
||||
|
||||
## v4.0.1 (2019-01-21)
|
||||
|
||||
- Fixes issue with compress middleware: #382 #385
|
||||
- History of changes: see https://github.com/go-chi/chi/compare/v4.0.0...v4.0.1
|
||||
|
||||
|
||||
## v4.0.0 (2019-01-10)
|
||||
|
||||
- chi v4 requires Go 1.10.3+ (or Go 1.9.7+) - we have deprecated support for Go 1.7 and 1.8
|
||||
- router: respond with 404 on router with no routes (#362)
|
||||
- router: additional check to ensure wildcard is at the end of a url pattern (#333)
|
||||
- middleware: deprecate use of http.CloseNotifier (#347)
|
||||
- middleware: fix RedirectSlashes to include query params on redirect (#334)
|
||||
- History of changes: see https://github.com/go-chi/chi/compare/v3.3.4...v4.0.0
|
||||
|
||||
|
||||
## v3.3.4 (2019-01-07)
|
||||
|
||||
- Minor middleware improvements. No changes to core library/router. Moving v3 into its
|
||||
- own branch as a version of chi for Go 1.7, 1.8, 1.9, 1.10, 1.11
|
||||
- History of changes: see https://github.com/go-chi/chi/compare/v3.3.3...v3.3.4
|
||||
|
||||
|
||||
## v3.3.3 (2018-08-27)
|
||||
|
||||
- Minor release
|
||||
- See https://github.com/go-chi/chi/compare/v3.3.2...v3.3.3
|
||||
|
||||
|
||||
## v3.3.2 (2017-12-22)
|
||||
|
||||
- Support to route trailing slashes on mounted sub-routers (#281)
|
||||
- middleware: new `ContentCharset` to check matching charsets. Thank you
|
||||
@csucu for your community contribution!
|
||||
|
||||
|
||||
## v3.3.1 (2017-11-20)
|
||||
|
||||
- middleware: new `AllowContentType` handler for explicit whitelist of accepted request Content-Types
|
||||
- middleware: new `SetHeader` handler for short-hand middleware to set a response header key/value
|
||||
- Minor bug fixes
|
||||
|
||||
|
||||
## v3.3.0 (2017-10-10)
|
||||
|
||||
- New chi.RegisterMethod(method) to add support for custom HTTP methods, see _examples/custom-method for usage
|
||||
- Deprecated LINK and UNLINK methods from the default list, please use `chi.RegisterMethod("LINK")` and `chi.RegisterMethod("UNLINK")` in an `init()` function
|
||||
|
||||
|
||||
## v3.2.1 (2017-08-31)
|
||||
|
||||
- Add new `Match(rctx *Context, method, path string) bool` method to `Routes` interface
|
||||
and `Mux`. Match searches the mux's routing tree for a handler that matches the method/path
|
||||
- Add new `RouteMethod` to `*Context`
|
||||
- Add new `Routes` pointer to `*Context`
|
||||
- Add new `middleware.GetHead` to route missing HEAD requests to GET handler
|
||||
- Updated benchmarks (see README)
|
||||
|
||||
|
||||
## v3.1.5 (2017-08-02)
|
||||
|
||||
- Setup golint and go vet for the project
|
||||
- As per golint, we've redefined `func ServerBaseContext(h http.Handler, baseCtx context.Context) http.Handler`
|
||||
to `func ServerBaseContext(baseCtx context.Context, h http.Handler) http.Handler`
|
||||
|
||||
|
||||
## v3.1.0 (2017-07-10)
|
||||
|
||||
- Fix a few minor issues after v3 release
|
||||
- Move `docgen` sub-pkg to https://github.com/go-chi/docgen
|
||||
- Move `render` sub-pkg to https://github.com/go-chi/render
|
||||
- Add new `URLFormat` handler to chi/middleware sub-pkg to make working with url mime
|
||||
suffixes easier, ie. parsing `/articles/1.json` and `/articles/1.xml`. See comments in
|
||||
https://github.com/go-chi/chi/blob/master/middleware/url_format.go for example usage.
|
||||
|
||||
|
||||
## v3.0.0 (2017-06-21)
|
||||
|
||||
- Major update to chi library with many exciting updates, but also some *breaking changes*
|
||||
- URL parameter syntax changed from `/:id` to `/{id}` for even more flexible routing, such as
|
||||
`/articles/{month}-{day}-{year}-{slug}`, `/articles/{id}`, and `/articles/{id}.{ext}` on the
|
||||
same router
|
||||
- Support for regexp for routing patterns, in the form of `/{paramKey:regExp}` for example:
|
||||
`r.Get("/articles/{name:[a-z]+}", h)` and `chi.URLParam(r, "name")`
|
||||
- Add `Method` and `MethodFunc` to `chi.Router` to allow routing definitions such as
|
||||
`r.Method("GET", "/", h)` which provides a cleaner interface for custom handlers like
|
||||
in `_examples/custom-handler`
|
||||
- Deprecating `mux#FileServer` helper function. Instead, we encourage users to create their
|
||||
own using file handler with the stdlib, see `_examples/fileserver` for an example
|
||||
- Add support for LINK/UNLINK http methods via `r.Method()` and `r.MethodFunc()`
|
||||
- Moved the chi project to its own organization, to allow chi-related community packages to
|
||||
be easily discovered and supported, at: https://github.com/go-chi
|
||||
- *NOTE:* please update your import paths to `"github.com/go-chi/chi"`
|
||||
- *NOTE:* chi v2 is still available at https://github.com/go-chi/chi/tree/v2
|
||||
|
||||
|
||||
## v2.1.0 (2017-03-30)
|
||||
|
||||
- Minor improvements and update to the chi core library
|
||||
- Introduced a brand new `chi/render` sub-package to complete the story of building
|
||||
APIs to offer a pattern for managing well-defined request / response payloads. Please
|
||||
check out the updated `_examples/rest` example for how it works.
|
||||
- Added `MethodNotAllowed(h http.HandlerFunc)` to chi.Router interface
|
||||
|
||||
|
||||
## v2.0.0 (2017-01-06)
|
||||
|
||||
- After many months of v2 being in an RC state with many companies and users running it in
|
||||
production, the inclusion of some improvements to the middlewares, we are very pleased to
|
||||
announce v2.0.0 of chi.
|
||||
|
||||
|
||||
## v2.0.0-rc1 (2016-07-26)
|
||||
|
||||
- Huge update! chi v2 is a large refactor targetting Go 1.7+. As of Go 1.7, the popular
|
||||
community `"net/context"` package has been included in the standard library as `"context"` and
|
||||
utilized by `"net/http"` and `http.Request` to managing deadlines, cancelation signals and other
|
||||
request-scoped values. We're very excited about the new context addition and are proud to
|
||||
introduce chi v2, a minimal and powerful routing package for building large HTTP services,
|
||||
with zero external dependencies. Chi focuses on idiomatic design and encourages the use of
|
||||
stdlib HTTP handlers and middlwares.
|
||||
- chi v2 deprecates its `chi.Handler` interface and requires `http.Handler` or `http.HandlerFunc`
|
||||
- chi v2 stores URL routing parameters and patterns in the standard request context: `r.Context()`
|
||||
- chi v2 lower-level routing context is accessible by `chi.RouteContext(r.Context()) *chi.Context`,
|
||||
which provides direct access to URL routing parameters, the routing path and the matching
|
||||
routing patterns.
|
||||
- Users upgrading from chi v1 to v2, need to:
|
||||
1. Update the old chi.Handler signature, `func(ctx context.Context, w http.ResponseWriter, r *http.Request)` to
|
||||
the standard http.Handler: `func(w http.ResponseWriter, r *http.Request)`
|
||||
2. Use `chi.URLParam(r *http.Request, paramKey string) string`
|
||||
or `URLParamFromCtx(ctx context.Context, paramKey string) string` to access a url parameter value
|
||||
|
||||
|
||||
## v1.0.0 (2016-07-01)
|
||||
|
||||
- Released chi v1 stable https://github.com/go-chi/chi/tree/v1.0.0 for Go 1.6 and older.
|
||||
|
||||
|
||||
## v0.9.0 (2016-03-31)
|
||||
|
||||
- Reuse context objects via sync.Pool for zero-allocation routing [#33](https://github.com/go-chi/chi/pull/33)
|
||||
- BREAKING NOTE: due to subtle API changes, previously `chi.URLParams(ctx)["id"]` used to access url parameters
|
||||
has changed to: `chi.URLParam(ctx, "id")`
|
31
vendor/github.com/go-chi/chi/CONTRIBUTING.md
generated
vendored
Normal file
31
vendor/github.com/go-chi/chi/CONTRIBUTING.md
generated
vendored
Normal file
@ -0,0 +1,31 @@
|
||||
# Contributing
|
||||
|
||||
## Prerequisites
|
||||
|
||||
1. [Install Go][go-install].
|
||||
2. Download the sources and switch the working directory:
|
||||
|
||||
```bash
|
||||
go get -u -d github.com/go-chi/chi
|
||||
cd $GOPATH/src/github.com/go-chi/chi
|
||||
```
|
||||
|
||||
## Submitting a Pull Request
|
||||
|
||||
A typical workflow is:
|
||||
|
||||
1. [Fork the repository.][fork] [This tip maybe also helpful.][go-fork-tip]
|
||||
2. [Create a topic branch.][branch]
|
||||
3. Add tests for your change.
|
||||
4. Run `go test`. If your tests pass, return to the step 3.
|
||||
5. Implement the change and ensure the steps from the previous step pass.
|
||||
6. Run `goimports -w .`, to ensure the new code conforms to Go formatting guideline.
|
||||
7. [Add, commit and push your changes.][git-help]
|
||||
8. [Submit a pull request.][pull-req]
|
||||
|
||||
[go-install]: https://golang.org/doc/install
|
||||
[go-fork-tip]: http://blog.campoy.cat/2014/03/github-and-go-forking-pull-requests-and.html
|
||||
[fork]: https://help.github.com/articles/fork-a-repo
|
||||
[branch]: http://learn.github.com/p/branching.html
|
||||
[git-help]: https://guides.github.com
|
||||
[pull-req]: https://help.github.com/articles/using-pull-requests
|
20
vendor/github.com/go-chi/chi/LICENSE
generated
vendored
Normal file
20
vendor/github.com/go-chi/chi/LICENSE
generated
vendored
Normal file
@ -0,0 +1,20 @@
|
||||
Copyright (c) 2015-present Peter Kieltyka (https://github.com/pkieltyka), Google Inc.
|
||||
|
||||
MIT License
|
||||
|
||||
Permission is hereby granted, free of charge, to any person obtaining a copy of
|
||||
this software and associated documentation files (the "Software"), to deal in
|
||||
the Software without restriction, including without limitation the rights to
|
||||
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
|
||||
the Software, and to permit persons to whom the Software is furnished to do so,
|
||||
subject to the following conditions:
|
||||
|
||||
The above copyright notice and this permission notice shall be included in all
|
||||
copies or substantial portions of the Software.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
|
||||
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
|
||||
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
|
||||
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
||||
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
496
vendor/github.com/go-chi/chi/README.md
generated
vendored
Normal file
496
vendor/github.com/go-chi/chi/README.md
generated
vendored
Normal file
@ -0,0 +1,496 @@
|
||||
# <img alt="chi" src="https://cdn.rawgit.com/go-chi/chi/master/_examples/chi.svg" width="220" />
|
||||
|
||||
|
||||
[![GoDoc Widget]][GoDoc] [![Travis Widget]][Travis]
|
||||
|
||||
`chi` is a lightweight, idiomatic and composable router for building Go HTTP services. It's
|
||||
especially good at helping you write large REST API services that are kept maintainable as your
|
||||
project grows and changes. `chi` is built on the new `context` package introduced in Go 1.7 to
|
||||
handle signaling, cancelation and request-scoped values across a handler chain.
|
||||
|
||||
The focus of the project has been to seek out an elegant and comfortable design for writing
|
||||
REST API servers, written during the development of the Pressly API service that powers our
|
||||
public API service, which in turn powers all of our client-side applications.
|
||||
|
||||
The key considerations of chi's design are: project structure, maintainability, standard http
|
||||
handlers (stdlib-only), developer productivity, and deconstructing a large system into many small
|
||||
parts. The core router `github.com/go-chi/chi` is quite small (less than 1000 LOC), but we've also
|
||||
included some useful/optional subpackages: [middleware](/middleware), [render](https://github.com/go-chi/render) and [docgen](https://github.com/go-chi/docgen). We hope you enjoy it too!
|
||||
|
||||
## Install
|
||||
|
||||
`go get -u github.com/go-chi/chi`
|
||||
|
||||
|
||||
## Features
|
||||
|
||||
* **Lightweight** - cloc'd in ~1000 LOC for the chi router
|
||||
* **Fast** - yes, see [benchmarks](#benchmarks)
|
||||
* **100% compatible with net/http** - use any http or middleware pkg in the ecosystem that is also compatible with `net/http`
|
||||
* **Designed for modular/composable APIs** - middlewares, inline middlewares, route groups and subrouter mounting
|
||||
* **Context control** - built on new `context` package, providing value chaining, cancellations and timeouts
|
||||
* **Robust** - in production at Pressly, CloudFlare, Heroku, 99Designs, and many others (see [discussion](https://github.com/go-chi/chi/issues/91))
|
||||
* **Doc generation** - `docgen` auto-generates routing documentation from your source to JSON or Markdown
|
||||
* **No external dependencies** - plain ol' Go stdlib + net/http
|
||||
|
||||
|
||||
## Examples
|
||||
|
||||
See [_examples/](https://github.com/go-chi/chi/blob/master/_examples/) for a variety of examples.
|
||||
|
||||
|
||||
**As easy as:**
|
||||
|
||||
```go
|
||||
package main
|
||||
|
||||
import (
|
||||
"net/http"
|
||||
|
||||
"github.com/go-chi/chi"
|
||||
"github.com/go-chi/chi/middleware"
|
||||
)
|
||||
|
||||
func main() {
|
||||
r := chi.NewRouter()
|
||||
r.Use(middleware.Logger)
|
||||
r.Get("/", func(w http.ResponseWriter, r *http.Request) {
|
||||
w.Write([]byte("welcome"))
|
||||
})
|
||||
http.ListenAndServe(":3000", r)
|
||||
}
|
||||
```
|
||||
|
||||
**REST Preview:**
|
||||
|
||||
Here is a little preview of how routing looks like with chi. Also take a look at the generated routing docs
|
||||
in JSON ([routes.json](https://github.com/go-chi/chi/blob/master/_examples/rest/routes.json)) and in
|
||||
Markdown ([routes.md](https://github.com/go-chi/chi/blob/master/_examples/rest/routes.md)).
|
||||
|
||||
I highly recommend reading the source of the [examples](https://github.com/go-chi/chi/blob/master/_examples/) listed
|
||||
above, they will show you all the features of chi and serve as a good form of documentation.
|
||||
|
||||
```go
|
||||
import (
|
||||
//...
|
||||
"context"
|
||||
"github.com/go-chi/chi"
|
||||
"github.com/go-chi/chi/middleware"
|
||||
)
|
||||
|
||||
func main() {
|
||||
r := chi.NewRouter()
|
||||
|
||||
// A good base middleware stack
|
||||
r.Use(middleware.RequestID)
|
||||
r.Use(middleware.RealIP)
|
||||
r.Use(middleware.Logger)
|
||||
r.Use(middleware.Recoverer)
|
||||
|
||||
// Set a timeout value on the request context (ctx), that will signal
|
||||
// through ctx.Done() that the request has timed out and further
|
||||
// processing should be stopped.
|
||||
r.Use(middleware.Timeout(60 * time.Second))
|
||||
|
||||
r.Get("/", func(w http.ResponseWriter, r *http.Request) {
|
||||
w.Write([]byte("hi"))
|
||||
})
|
||||
|
||||
// RESTy routes for "articles" resource
|
||||
r.Route("/articles", func(r chi.Router) {
|
||||
r.With(paginate).Get("/", listArticles) // GET /articles
|
||||
r.With(paginate).Get("/{month}-{day}-{year}", listArticlesByDate) // GET /articles/01-16-2017
|
||||
|
||||
r.Post("/", createArticle) // POST /articles
|
||||
r.Get("/search", searchArticles) // GET /articles/search
|
||||
|
||||
// Regexp url parameters:
|
||||
r.Get("/{articleSlug:[a-z-]+}", getArticleBySlug) // GET /articles/home-is-toronto
|
||||
|
||||
// Subrouters:
|
||||
r.Route("/{articleID}", func(r chi.Router) {
|
||||
r.Use(ArticleCtx)
|
||||
r.Get("/", getArticle) // GET /articles/123
|
||||
r.Put("/", updateArticle) // PUT /articles/123
|
||||
r.Delete("/", deleteArticle) // DELETE /articles/123
|
||||
})
|
||||
})
|
||||
|
||||
// Mount the admin sub-router
|
||||
r.Mount("/admin", adminRouter())
|
||||
|
||||
http.ListenAndServe(":3333", r)
|
||||
}
|
||||
|
||||
func ArticleCtx(next http.Handler) http.Handler {
|
||||
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
articleID := chi.URLParam(r, "articleID")
|
||||
article, err := dbGetArticle(articleID)
|
||||
if err != nil {
|
||||
http.Error(w, http.StatusText(404), 404)
|
||||
return
|
||||
}
|
||||
ctx := context.WithValue(r.Context(), "article", article)
|
||||
next.ServeHTTP(w, r.WithContext(ctx))
|
||||
})
|
||||
}
|
||||
|
||||
func getArticle(w http.ResponseWriter, r *http.Request) {
|
||||
ctx := r.Context()
|
||||
article, ok := ctx.Value("article").(*Article)
|
||||
if !ok {
|
||||
http.Error(w, http.StatusText(422), 422)
|
||||
return
|
||||
}
|
||||
w.Write([]byte(fmt.Sprintf("title:%s", article.Title)))
|
||||
}
|
||||
|
||||
// A completely separate router for administrator routes
|
||||
func adminRouter() http.Handler {
|
||||
r := chi.NewRouter()
|
||||
r.Use(AdminOnly)
|
||||
r.Get("/", adminIndex)
|
||||
r.Get("/accounts", adminListAccounts)
|
||||
return r
|
||||
}
|
||||
|
||||
func AdminOnly(next http.Handler) http.Handler {
|
||||
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
ctx := r.Context()
|
||||
perm, ok := ctx.Value("acl.permission").(YourPermissionType)
|
||||
if !ok || !perm.IsAdmin() {
|
||||
http.Error(w, http.StatusText(403), 403)
|
||||
return
|
||||
}
|
||||
next.ServeHTTP(w, r)
|
||||
})
|
||||
}
|
||||
```
|
||||
|
||||
|
||||
## Router interface
|
||||
|
||||
chi's router is based on a kind of [Patricia Radix trie](https://en.wikipedia.org/wiki/Radix_tree).
|
||||
The router is fully compatible with `net/http`.
|
||||
|
||||
Built on top of the tree is the `Router` interface:
|
||||
|
||||
```go
|
||||
// Router consisting of the core routing methods used by chi's Mux,
|
||||
// using only the standard net/http.
|
||||
type Router interface {
|
||||
http.Handler
|
||||
Routes
|
||||
|
||||
// Use appends one or more middlewares onto the Router stack.
|
||||
Use(middlewares ...func(http.Handler) http.Handler)
|
||||
|
||||
// With adds inline middlewares for an endpoint handler.
|
||||
With(middlewares ...func(http.Handler) http.Handler) Router
|
||||
|
||||
// Group adds a new inline-Router along the current routing
|
||||
// path, with a fresh middleware stack for the inline-Router.
|
||||
Group(fn func(r Router)) Router
|
||||
|
||||
// Route mounts a sub-Router along a `pattern`` string.
|
||||
Route(pattern string, fn func(r Router)) Router
|
||||
|
||||
// Mount attaches another http.Handler along ./pattern/*
|
||||
Mount(pattern string, h http.Handler)
|
||||
|
||||
// Handle and HandleFunc adds routes for `pattern` that matches
|
||||
// all HTTP methods.
|
||||
Handle(pattern string, h http.Handler)
|
||||
HandleFunc(pattern string, h http.HandlerFunc)
|
||||
|
||||
// Method and MethodFunc adds routes for `pattern` that matches
|
||||
// the `method` HTTP method.
|
||||
Method(method, pattern string, h http.Handler)
|
||||
MethodFunc(method, pattern string, h http.HandlerFunc)
|
||||
|
||||
// HTTP-method routing along `pattern`
|
||||
Connect(pattern string, h http.HandlerFunc)
|
||||
Delete(pattern string, h http.HandlerFunc)
|
||||
Get(pattern string, h http.HandlerFunc)
|
||||
Head(pattern string, h http.HandlerFunc)
|
||||
Options(pattern string, h http.HandlerFunc)
|
||||
Patch(pattern string, h http.HandlerFunc)
|
||||
Post(pattern string, h http.HandlerFunc)
|
||||
Put(pattern string, h http.HandlerFunc)
|
||||
Trace(pattern string, h http.HandlerFunc)
|
||||
|
||||
// NotFound defines a handler to respond whenever a route could
|
||||
// not be found.
|
||||
NotFound(h http.HandlerFunc)
|
||||
|
||||
// MethodNotAllowed defines a handler to respond whenever a method is
|
||||
// not allowed.
|
||||
MethodNotAllowed(h http.HandlerFunc)
|
||||
}
|
||||
|
||||
// Routes interface adds two methods for router traversal, which is also
|
||||
// used by the github.com/go-chi/docgen package to generate documentation for Routers.
|
||||
type Routes interface {
|
||||
// Routes returns the routing tree in an easily traversable structure.
|
||||
Routes() []Route
|
||||
|
||||
// Middlewares returns the list of middlewares in use by the router.
|
||||
Middlewares() Middlewares
|
||||
|
||||
// Match searches the routing tree for a handler that matches
|
||||
// the method/path - similar to routing a http request, but without
|
||||
// executing the handler thereafter.
|
||||
Match(rctx *Context, method, path string) bool
|
||||
}
|
||||
```
|
||||
|
||||
Each routing method accepts a URL `pattern` and chain of `handlers`. The URL pattern
|
||||
supports named params (ie. `/users/{userID}`) and wildcards (ie. `/admin/*`). URL parameters
|
||||
can be fetched at runtime by calling `chi.URLParam(r, "userID")` for named parameters
|
||||
and `chi.URLParam(r, "*")` for a wildcard parameter.
|
||||
|
||||
|
||||
### Middleware handlers
|
||||
|
||||
chi's middlewares are just stdlib net/http middleware handlers. There is nothing special
|
||||
about them, which means the router and all the tooling is designed to be compatible and
|
||||
friendly with any middleware in the community. This offers much better extensibility and reuse
|
||||
of packages and is at the heart of chi's purpose.
|
||||
|
||||
Here is an example of a standard net/http middleware where we assign a context key `"user"`
|
||||
the value of `"123"`. This middleware sets a hypothetical user identifier on the request
|
||||
context and calls the next handler in the chain.
|
||||
|
||||
```go
|
||||
// HTTP middleware setting a value on the request context
|
||||
func MyMiddleware(next http.Handler) http.Handler {
|
||||
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
// create new context from `r` request context, and assign key `"user"`
|
||||
// to value of `"123"`
|
||||
ctx := context.WithValue(r.Context(), "user", "123")
|
||||
|
||||
// call the next handler in the chain, passing the response writer and
|
||||
// the updated request object with the new context value.
|
||||
//
|
||||
// note: context.Context values are nested, so any previously set
|
||||
// values will be accessible as well, and the new `"user"` key
|
||||
// will be accessible from this point forward.
|
||||
next.ServeHTTP(w, r.WithContext(ctx))
|
||||
})
|
||||
}
|
||||
```
|
||||
|
||||
|
||||
### Request handlers
|
||||
|
||||
chi uses standard net/http request handlers. This little snippet is an example of a http.Handler
|
||||
func that reads a user identifier from the request context - hypothetically, identifying
|
||||
the user sending an authenticated request, validated+set by a previous middleware handler.
|
||||
|
||||
```go
|
||||
// HTTP handler accessing data from the request context.
|
||||
func MyRequestHandler(w http.ResponseWriter, r *http.Request) {
|
||||
// here we read from the request context and fetch out `"user"` key set in
|
||||
// the MyMiddleware example above.
|
||||
user := r.Context().Value("user").(string)
|
||||
|
||||
// respond to the client
|
||||
w.Write([]byte(fmt.Sprintf("hi %s", user)))
|
||||
}
|
||||
```
|
||||
|
||||
|
||||
### URL parameters
|
||||
|
||||
chi's router parses and stores URL parameters right onto the request context. Here is
|
||||
an example of how to access URL params in your net/http handlers. And of course, middlewares
|
||||
are able to access the same information.
|
||||
|
||||
```go
|
||||
// HTTP handler accessing the url routing parameters.
|
||||
func MyRequestHandler(w http.ResponseWriter, r *http.Request) {
|
||||
// fetch the url parameter `"userID"` from the request of a matching
|
||||
// routing pattern. An example routing pattern could be: /users/{userID}
|
||||
userID := chi.URLParam(r, "userID")
|
||||
|
||||
// fetch `"key"` from the request context
|
||||
ctx := r.Context()
|
||||
key := ctx.Value("key").(string)
|
||||
|
||||
// respond to the client
|
||||
w.Write([]byte(fmt.Sprintf("hi %v, %v", userID, key)))
|
||||
}
|
||||
```
|
||||
|
||||
|
||||
## Middlewares
|
||||
|
||||
chi comes equipped with an optional `middleware` package, providing a suite of standard
|
||||
`net/http` middlewares. Please note, any middleware in the ecosystem that is also compatible
|
||||
with `net/http` can be used with chi's mux.
|
||||
|
||||
### Core middlewares
|
||||
|
||||
----------------------------------------------------------------------------------------------------
|
||||
| chi/middleware Handler | description |
|
||||
| :--------------------- | :---------------------------------------------------------------------- |
|
||||
| [AllowContentType] | Explicit whitelist of accepted request Content-Types |
|
||||
| [BasicAuth] | Basic HTTP authentication |
|
||||
| [Compress] | Gzip compression for clients that accept compressed responses |
|
||||
| [GetHead] | Automatically route undefined HEAD requests to GET handlers |
|
||||
| [Heartbeat] | Monitoring endpoint to check the servers pulse |
|
||||
| [Logger] | Logs the start and end of each request with the elapsed processing time |
|
||||
| [NoCache] | Sets response headers to prevent clients from caching |
|
||||
| [Profiler] | Easily attach net/http/pprof to your routers |
|
||||
| [RealIP] | Sets a http.Request's RemoteAddr to either X-Forwarded-For or X-Real-IP |
|
||||
| [Recoverer] | Gracefully absorb panics and prints the stack trace |
|
||||
| [RequestID] | Injects a request ID into the context of each request |
|
||||
| [RedirectSlashes] | Redirect slashes on routing paths |
|
||||
| [SetHeader] | Short-hand middleware to set a response header key/value |
|
||||
| [StripSlashes] | Strip slashes on routing paths |
|
||||
| [Throttle] | Puts a ceiling on the number of concurrent requests |
|
||||
| [Timeout] | Signals to the request context when the timeout deadline is reached |
|
||||
| [URLFormat] | Parse extension from url and put it on request context |
|
||||
| [WithValue] | Short-hand middleware to set a key/value on the request context |
|
||||
----------------------------------------------------------------------------------------------------
|
||||
|
||||
[AllowContentEncoding]: https://pkg.go.dev/github.com/go-chi/chi/middleware#AllowContentEncoding
|
||||
[AllowContentType]: https://pkg.go.dev/github.com/go-chi/chi/middleware#AllowContentType
|
||||
[BasicAuth]: https://pkg.go.dev/github.com/go-chi/chi/middleware#BasicAuth
|
||||
[Compress]: https://pkg.go.dev/github.com/go-chi/chi/middleware#Compress
|
||||
[ContentCharset]: https://pkg.go.dev/github.com/go-chi/chi/middleware#ContentCharset
|
||||
[GetHead]: https://pkg.go.dev/github.com/go-chi/chi/middleware#GetHead
|
||||
[GetReqID]: https://pkg.go.dev/github.com/go-chi/chi/middleware#GetReqID
|
||||
[Heartbeat]: https://pkg.go.dev/github.com/go-chi/chi/middleware#Heartbeat
|
||||
[Logger]: https://pkg.go.dev/github.com/go-chi/chi/middleware#Logger
|
||||
[New]: https://pkg.go.dev/github.com/go-chi/chi/middleware#New
|
||||
[NextRequestID]: https://pkg.go.dev/github.com/go-chi/chi/middleware#NextRequestID
|
||||
[NoCache]: https://pkg.go.dev/github.com/go-chi/chi/middleware#NoCache
|
||||
[PrintPrettyStack]: https://pkg.go.dev/github.com/go-chi/chi/middleware#PrintPrettyStack
|
||||
[Profiler]: https://pkg.go.dev/github.com/go-chi/chi/middleware#Profiler
|
||||
[RealIP]: https://pkg.go.dev/github.com/go-chi/chi/middleware#RealIP
|
||||
[Recoverer]: https://pkg.go.dev/github.com/go-chi/chi/middleware#Recoverer
|
||||
[RedirectSlashes]: https://pkg.go.dev/github.com/go-chi/chi/middleware#RedirectSlashes
|
||||
[RequestID]: https://pkg.go.dev/github.com/go-chi/chi/middleware#RequestID
|
||||
[RequestLogger]: https://pkg.go.dev/github.com/go-chi/chi/middleware#RequestLogger
|
||||
[SetHeader]: https://pkg.go.dev/github.com/go-chi/chi/middleware#SetHeader
|
||||
[StripSlashes]: https://pkg.go.dev/github.com/go-chi/chi/middleware#StripSlashes
|
||||
[Throttle]: https://pkg.go.dev/github.com/go-chi/chi/middleware#Throttle
|
||||
[ThrottleBacklog]: https://pkg.go.dev/github.com/go-chi/chi/middleware#ThrottleBacklog
|
||||
[ThrottleWithOpts]: https://pkg.go.dev/github.com/go-chi/chi/middleware#ThrottleWithOpts
|
||||
[Timeout]: https://pkg.go.dev/github.com/go-chi/chi/middleware#Timeout
|
||||
[URLFormat]: https://pkg.go.dev/github.com/go-chi/chi/middleware#URLFormat
|
||||
[WithLogEntry]: https://pkg.go.dev/github.com/go-chi/chi/middleware#WithLogEntry
|
||||
[WithValue]: https://pkg.go.dev/github.com/go-chi/chi/middleware#WithValue
|
||||
[Compressor]: https://pkg.go.dev/github.com/go-chi/chi/middleware#Compressor
|
||||
[DefaultLogFormatter]: https://pkg.go.dev/github.com/go-chi/chi/middleware#DefaultLogFormatter
|
||||
[EncoderFunc]: https://pkg.go.dev/github.com/go-chi/chi/middleware#EncoderFunc
|
||||
[HeaderRoute]: https://pkg.go.dev/github.com/go-chi/chi/middleware#HeaderRoute
|
||||
[HeaderRouter]: https://pkg.go.dev/github.com/go-chi/chi/middleware#HeaderRouter
|
||||
[LogEntry]: https://pkg.go.dev/github.com/go-chi/chi/middleware#LogEntry
|
||||
[LogFormatter]: https://pkg.go.dev/github.com/go-chi/chi/middleware#LogFormatter
|
||||
[LoggerInterface]: https://pkg.go.dev/github.com/go-chi/chi/middleware#LoggerInterface
|
||||
[Pattern]: https://pkg.go.dev/github.com/go-chi/chi/middleware#Pattern
|
||||
[ThrottleOpts]: https://pkg.go.dev/github.com/go-chi/chi/middleware#ThrottleOpts
|
||||
[WrapResponseWriter]: https://pkg.go.dev/github.com/go-chi/chi/middleware#WrapResponseWriter
|
||||
|
||||
### Extra middlewares & packages
|
||||
|
||||
Please see https://github.com/go-chi for additional packages.
|
||||
|
||||
--------------------------------------------------------------------------------------------------------------------
|
||||
| package | description |
|
||||
|:---------------------------------------------------|:-------------------------------------------------------------
|
||||
| [cors](https://github.com/go-chi/cors) | Cross-origin resource sharing (CORS) |
|
||||
| [docgen](https://github.com/go-chi/docgen) | Print chi.Router routes at runtime |
|
||||
| [jwtauth](https://github.com/go-chi/jwtauth) | JWT authentication |
|
||||
| [hostrouter](https://github.com/go-chi/hostrouter) | Domain/host based request routing |
|
||||
| [httplog](https://github.com/go-chi/httplog) | Small but powerful structured HTTP request logging |
|
||||
| [httprate](https://github.com/go-chi/httprate) | HTTP request rate limiter |
|
||||
| [httptracer](https://github.com/go-chi/httptracer) | HTTP request performance tracing library |
|
||||
| [httpvcr](https://github.com/go-chi/httpvcr) | Write deterministic tests for external sources |
|
||||
| [stampede](https://github.com/go-chi/stampede) | HTTP request coalescer |
|
||||
--------------------------------------------------------------------------------------------------------------------
|
||||
|
||||
|
||||
## context?
|
||||
|
||||
`context` is a tiny pkg that provides simple interface to signal context across call stacks
|
||||
and goroutines. It was originally written by [Sameer Ajmani](https://github.com/Sajmani)
|
||||
and is available in stdlib since go1.7.
|
||||
|
||||
Learn more at https://blog.golang.org/context
|
||||
|
||||
and..
|
||||
* Docs: https://golang.org/pkg/context
|
||||
* Source: https://github.com/golang/go/tree/master/src/context
|
||||
|
||||
|
||||
## Benchmarks
|
||||
|
||||
The benchmark suite: https://github.com/pkieltyka/go-http-routing-benchmark
|
||||
|
||||
Results as of Jan 9, 2019 with Go 1.11.4 on Linux X1 Carbon laptop
|
||||
|
||||
```shell
|
||||
BenchmarkChi_Param 3000000 475 ns/op 432 B/op 3 allocs/op
|
||||
BenchmarkChi_Param5 2000000 696 ns/op 432 B/op 3 allocs/op
|
||||
BenchmarkChi_Param20 1000000 1275 ns/op 432 B/op 3 allocs/op
|
||||
BenchmarkChi_ParamWrite 3000000 505 ns/op 432 B/op 3 allocs/op
|
||||
BenchmarkChi_GithubStatic 3000000 508 ns/op 432 B/op 3 allocs/op
|
||||
BenchmarkChi_GithubParam 2000000 669 ns/op 432 B/op 3 allocs/op
|
||||
BenchmarkChi_GithubAll 10000 134627 ns/op 87699 B/op 609 allocs/op
|
||||
BenchmarkChi_GPlusStatic 3000000 402 ns/op 432 B/op 3 allocs/op
|
||||
BenchmarkChi_GPlusParam 3000000 500 ns/op 432 B/op 3 allocs/op
|
||||
BenchmarkChi_GPlus2Params 3000000 586 ns/op 432 B/op 3 allocs/op
|
||||
BenchmarkChi_GPlusAll 200000 7237 ns/op 5616 B/op 39 allocs/op
|
||||
BenchmarkChi_ParseStatic 3000000 408 ns/op 432 B/op 3 allocs/op
|
||||
BenchmarkChi_ParseParam 3000000 488 ns/op 432 B/op 3 allocs/op
|
||||
BenchmarkChi_Parse2Params 3000000 551 ns/op 432 B/op 3 allocs/op
|
||||
BenchmarkChi_ParseAll 100000 13508 ns/op 11232 B/op 78 allocs/op
|
||||
BenchmarkChi_StaticAll 20000 81933 ns/op 67826 B/op 471 allocs/op
|
||||
```
|
||||
|
||||
Comparison with other routers: https://gist.github.com/pkieltyka/123032f12052520aaccab752bd3e78cc
|
||||
|
||||
NOTE: the allocs in the benchmark above are from the calls to http.Request's
|
||||
`WithContext(context.Context)` method that clones the http.Request, sets the `Context()`
|
||||
on the duplicated (alloc'd) request and returns it the new request object. This is just
|
||||
how setting context on a request in Go works.
|
||||
|
||||
|
||||
## Credits
|
||||
|
||||
* Carl Jackson for https://github.com/zenazn/goji
|
||||
* Parts of chi's thinking comes from goji, and chi's middleware package
|
||||
sources from goji.
|
||||
* Armon Dadgar for https://github.com/armon/go-radix
|
||||
* Contributions: [@VojtechVitek](https://github.com/VojtechVitek)
|
||||
|
||||
We'll be more than happy to see [your contributions](./CONTRIBUTING.md)!
|
||||
|
||||
|
||||
## Beyond REST
|
||||
|
||||
chi is just a http router that lets you decompose request handling into many smaller layers.
|
||||
Many companies use chi to write REST services for their public APIs. But, REST is just a convention
|
||||
for managing state via HTTP, and there's a lot of other pieces required to write a complete client-server
|
||||
system or network of microservices.
|
||||
|
||||
Looking beyond REST, I also recommend some newer works in the field:
|
||||
* [webrpc](https://github.com/webrpc/webrpc) - Web-focused RPC client+server framework with code-gen
|
||||
* [gRPC](https://github.com/grpc/grpc-go) - Google's RPC framework via protobufs
|
||||
* [graphql](https://github.com/99designs/gqlgen) - Declarative query language
|
||||
* [NATS](https://nats.io) - lightweight pub-sub
|
||||
|
||||
|
||||
## License
|
||||
|
||||
Copyright (c) 2015-present [Peter Kieltyka](https://github.com/pkieltyka)
|
||||
|
||||
Licensed under [MIT License](./LICENSE)
|
||||
|
||||
[GoDoc]: https://pkg.go.dev/github.com/go-chi/chi?tab=versions
|
||||
[GoDoc Widget]: https://godoc.org/github.com/go-chi/chi?status.svg
|
||||
[Travis]: https://travis-ci.org/go-chi/chi
|
||||
[Travis Widget]: https://travis-ci.org/go-chi/chi.svg?branch=master
|
49
vendor/github.com/go-chi/chi/chain.go
generated
vendored
Normal file
49
vendor/github.com/go-chi/chi/chain.go
generated
vendored
Normal file
@ -0,0 +1,49 @@
|
||||
package chi
|
||||
|
||||
import "net/http"
|
||||
|
||||
// Chain returns a Middlewares type from a slice of middleware handlers.
|
||||
func Chain(middlewares ...func(http.Handler) http.Handler) Middlewares {
|
||||
return Middlewares(middlewares)
|
||||
}
|
||||
|
||||
// Handler builds and returns a http.Handler from the chain of middlewares,
|
||||
// with `h http.Handler` as the final handler.
|
||||
func (mws Middlewares) Handler(h http.Handler) http.Handler {
|
||||
return &ChainHandler{mws, h, chain(mws, h)}
|
||||
}
|
||||
|
||||
// HandlerFunc builds and returns a http.Handler from the chain of middlewares,
|
||||
// with `h http.Handler` as the final handler.
|
||||
func (mws Middlewares) HandlerFunc(h http.HandlerFunc) http.Handler {
|
||||
return &ChainHandler{mws, h, chain(mws, h)}
|
||||
}
|
||||
|
||||
// ChainHandler is a http.Handler with support for handler composition and
|
||||
// execution.
|
||||
type ChainHandler struct {
|
||||
Middlewares Middlewares
|
||||
Endpoint http.Handler
|
||||
chain http.Handler
|
||||
}
|
||||
|
||||
func (c *ChainHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
|
||||
c.chain.ServeHTTP(w, r)
|
||||
}
|
||||
|
||||
// chain builds a http.Handler composed of an inline middleware stack and endpoint
|
||||
// handler in the order they are passed.
|
||||
func chain(middlewares []func(http.Handler) http.Handler, endpoint http.Handler) http.Handler {
|
||||
// Return ahead of time if there aren't any middlewares for the chain
|
||||
if len(middlewares) == 0 {
|
||||
return endpoint
|
||||
}
|
||||
|
||||
// Wrap the end handler with the middleware chain
|
||||
h := middlewares[len(middlewares)-1](endpoint)
|
||||
for i := len(middlewares) - 2; i >= 0; i-- {
|
||||
h = middlewares[i](h)
|
||||
}
|
||||
|
||||
return h
|
||||
}
|
134
vendor/github.com/go-chi/chi/chi.go
generated
vendored
Normal file
134
vendor/github.com/go-chi/chi/chi.go
generated
vendored
Normal file
@ -0,0 +1,134 @@
|
||||
//
|
||||
// Package chi is a small, idiomatic and composable router for building HTTP services.
|
||||
//
|
||||
// chi requires Go 1.10 or newer.
|
||||
//
|
||||
// Example:
|
||||
// package main
|
||||
//
|
||||
// import (
|
||||
// "net/http"
|
||||
//
|
||||
// "github.com/go-chi/chi"
|
||||
// "github.com/go-chi/chi/middleware"
|
||||
// )
|
||||
//
|
||||
// func main() {
|
||||
// r := chi.NewRouter()
|
||||
// r.Use(middleware.Logger)
|
||||
// r.Use(middleware.Recoverer)
|
||||
//
|
||||
// r.Get("/", func(w http.ResponseWriter, r *http.Request) {
|
||||
// w.Write([]byte("root."))
|
||||
// })
|
||||
//
|
||||
// http.ListenAndServe(":3333", r)
|
||||
// }
|
||||
//
|
||||
// See github.com/go-chi/chi/_examples/ for more in-depth examples.
|
||||
//
|
||||
// URL patterns allow for easy matching of path components in HTTP
|
||||
// requests. The matching components can then be accessed using
|
||||
// chi.URLParam(). All patterns must begin with a slash.
|
||||
//
|
||||
// A simple named placeholder {name} matches any sequence of characters
|
||||
// up to the next / or the end of the URL. Trailing slashes on paths must
|
||||
// be handled explicitly.
|
||||
//
|
||||
// A placeholder with a name followed by a colon allows a regular
|
||||
// expression match, for example {number:\\d+}. The regular expression
|
||||
// syntax is Go's normal regexp RE2 syntax, except that regular expressions
|
||||
// including { or } are not supported, and / will never be
|
||||
// matched. An anonymous regexp pattern is allowed, using an empty string
|
||||
// before the colon in the placeholder, such as {:\\d+}
|
||||
//
|
||||
// The special placeholder of asterisk matches the rest of the requested
|
||||
// URL. Any trailing characters in the pattern are ignored. This is the only
|
||||
// placeholder which will match / characters.
|
||||
//
|
||||
// Examples:
|
||||
// "/user/{name}" matches "/user/jsmith" but not "/user/jsmith/info" or "/user/jsmith/"
|
||||
// "/user/{name}/info" matches "/user/jsmith/info"
|
||||
// "/page/*" matches "/page/intro/latest"
|
||||
// "/page/*/index" also matches "/page/intro/latest"
|
||||
// "/date/{yyyy:\\d\\d\\d\\d}/{mm:\\d\\d}/{dd:\\d\\d}" matches "/date/2017/04/01"
|
||||
//
|
||||
package chi
|
||||
|
||||
import "net/http"
|
||||
|
||||
// NewRouter returns a new Mux object that implements the Router interface.
|
||||
func NewRouter() *Mux {
|
||||
return NewMux()
|
||||
}
|
||||
|
||||
// Router consisting of the core routing methods used by chi's Mux,
|
||||
// using only the standard net/http.
|
||||
type Router interface {
|
||||
http.Handler
|
||||
Routes
|
||||
|
||||
// Use appends one or more middlewares onto the Router stack.
|
||||
Use(middlewares ...func(http.Handler) http.Handler)
|
||||
|
||||
// With adds inline middlewares for an endpoint handler.
|
||||
With(middlewares ...func(http.Handler) http.Handler) Router
|
||||
|
||||
// Group adds a new inline-Router along the current routing
|
||||
// path, with a fresh middleware stack for the inline-Router.
|
||||
Group(fn func(r Router)) Router
|
||||
|
||||
// Route mounts a sub-Router along a `pattern`` string.
|
||||
Route(pattern string, fn func(r Router)) Router
|
||||
|
||||
// Mount attaches another http.Handler along ./pattern/*
|
||||
Mount(pattern string, h http.Handler)
|
||||
|
||||
// Handle and HandleFunc adds routes for `pattern` that matches
|
||||
// all HTTP methods.
|
||||
Handle(pattern string, h http.Handler)
|
||||
HandleFunc(pattern string, h http.HandlerFunc)
|
||||
|
||||
// Method and MethodFunc adds routes for `pattern` that matches
|
||||
// the `method` HTTP method.
|
||||
Method(method, pattern string, h http.Handler)
|
||||
MethodFunc(method, pattern string, h http.HandlerFunc)
|
||||
|
||||
// HTTP-method routing along `pattern`
|
||||
Connect(pattern string, h http.HandlerFunc)
|
||||
Delete(pattern string, h http.HandlerFunc)
|
||||
Get(pattern string, h http.HandlerFunc)
|
||||
Head(pattern string, h http.HandlerFunc)
|
||||
Options(pattern string, h http.HandlerFunc)
|
||||
Patch(pattern string, h http.HandlerFunc)
|
||||
Post(pattern string, h http.HandlerFunc)
|
||||
Put(pattern string, h http.HandlerFunc)
|
||||
Trace(pattern string, h http.HandlerFunc)
|
||||
|
||||
// NotFound defines a handler to respond whenever a route could
|
||||
// not be found.
|
||||
NotFound(h http.HandlerFunc)
|
||||
|
||||
// MethodNotAllowed defines a handler to respond whenever a method is
|
||||
// not allowed.
|
||||
MethodNotAllowed(h http.HandlerFunc)
|
||||
}
|
||||
|
||||
// Routes interface adds two methods for router traversal, which is also
|
||||
// used by the `docgen` subpackage to generation documentation for Routers.
|
||||
type Routes interface {
|
||||
// Routes returns the routing tree in an easily traversable structure.
|
||||
Routes() []Route
|
||||
|
||||
// Middlewares returns the list of middlewares in use by the router.
|
||||
Middlewares() Middlewares
|
||||
|
||||
// Match searches the routing tree for a handler that matches
|
||||
// the method/path - similar to routing a http request, but without
|
||||
// executing the handler thereafter.
|
||||
Match(rctx *Context, method, path string) bool
|
||||
}
|
||||
|
||||
// Middlewares type is a slice of standard middleware handlers with methods
|
||||
// to compose middleware chains and http.Handler's.
|
||||
type Middlewares []func(http.Handler) http.Handler
|
172
vendor/github.com/go-chi/chi/context.go
generated
vendored
Normal file
172
vendor/github.com/go-chi/chi/context.go
generated
vendored
Normal file
@ -0,0 +1,172 @@
|
||||
package chi
|
||||
|
||||
import (
|
||||
"context"
|
||||
"net"
|
||||
"net/http"
|
||||
"strings"
|
||||
)
|
||||
|
||||
// URLParam returns the url parameter from a http.Request object.
|
||||
func URLParam(r *http.Request, key string) string {
|
||||
if rctx := RouteContext(r.Context()); rctx != nil {
|
||||
return rctx.URLParam(key)
|
||||
}
|
||||
return ""
|
||||
}
|
||||
|
||||
// URLParamFromCtx returns the url parameter from a http.Request Context.
|
||||
func URLParamFromCtx(ctx context.Context, key string) string {
|
||||
if rctx := RouteContext(ctx); rctx != nil {
|
||||
return rctx.URLParam(key)
|
||||
}
|
||||
return ""
|
||||
}
|
||||
|
||||
// RouteContext returns chi's routing Context object from a
|
||||
// http.Request Context.
|
||||
func RouteContext(ctx context.Context) *Context {
|
||||
val, _ := ctx.Value(RouteCtxKey).(*Context)
|
||||
return val
|
||||
}
|
||||
|
||||
// ServerBaseContext wraps an http.Handler to set the request context to the
|
||||
// `baseCtx`.
|
||||
func ServerBaseContext(baseCtx context.Context, h http.Handler) http.Handler {
|
||||
fn := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
ctx := r.Context()
|
||||
baseCtx := baseCtx
|
||||
|
||||
// Copy over default net/http server context keys
|
||||
if v, ok := ctx.Value(http.ServerContextKey).(*http.Server); ok {
|
||||
baseCtx = context.WithValue(baseCtx, http.ServerContextKey, v)
|
||||
}
|
||||
if v, ok := ctx.Value(http.LocalAddrContextKey).(net.Addr); ok {
|
||||
baseCtx = context.WithValue(baseCtx, http.LocalAddrContextKey, v)
|
||||
}
|
||||
|
||||
h.ServeHTTP(w, r.WithContext(baseCtx))
|
||||
})
|
||||
return fn
|
||||
}
|
||||
|
||||
// NewRouteContext returns a new routing Context object.
|
||||
func NewRouteContext() *Context {
|
||||
return &Context{}
|
||||
}
|
||||
|
||||
var (
|
||||
// RouteCtxKey is the context.Context key to store the request context.
|
||||
RouteCtxKey = &contextKey{"RouteContext"}
|
||||
)
|
||||
|
||||
// Context is the default routing context set on the root node of a
|
||||
// request context to track route patterns, URL parameters and
|
||||
// an optional routing path.
|
||||
type Context struct {
|
||||
Routes Routes
|
||||
|
||||
// Routing path/method override used during the route search.
|
||||
// See Mux#routeHTTP method.
|
||||
RoutePath string
|
||||
RouteMethod string
|
||||
|
||||
// Routing pattern stack throughout the lifecycle of the request,
|
||||
// across all connected routers. It is a record of all matching
|
||||
// patterns across a stack of sub-routers.
|
||||
RoutePatterns []string
|
||||
|
||||
// URLParams are the stack of routeParams captured during the
|
||||
// routing lifecycle across a stack of sub-routers.
|
||||
URLParams RouteParams
|
||||
|
||||
// The endpoint routing pattern that matched the request URI path
|
||||
// or `RoutePath` of the current sub-router. This value will update
|
||||
// during the lifecycle of a request passing through a stack of
|
||||
// sub-routers.
|
||||
routePattern string
|
||||
|
||||
// Route parameters matched for the current sub-router. It is
|
||||
// intentionally unexported so it cant be tampered.
|
||||
routeParams RouteParams
|
||||
|
||||
// methodNotAllowed hint
|
||||
methodNotAllowed bool
|
||||
}
|
||||
|
||||
// Reset a routing context to its initial state.
|
||||
func (x *Context) Reset() {
|
||||
x.Routes = nil
|
||||
x.RoutePath = ""
|
||||
x.RouteMethod = ""
|
||||
x.RoutePatterns = x.RoutePatterns[:0]
|
||||
x.URLParams.Keys = x.URLParams.Keys[:0]
|
||||
x.URLParams.Values = x.URLParams.Values[:0]
|
||||
|
||||
x.routePattern = ""
|
||||
x.routeParams.Keys = x.routeParams.Keys[:0]
|
||||
x.routeParams.Values = x.routeParams.Values[:0]
|
||||
x.methodNotAllowed = false
|
||||
}
|
||||
|
||||
// URLParam returns the corresponding URL parameter value from the request
|
||||
// routing context.
|
||||
func (x *Context) URLParam(key string) string {
|
||||
for k := len(x.URLParams.Keys) - 1; k >= 0; k-- {
|
||||
if x.URLParams.Keys[k] == key {
|
||||
return x.URLParams.Values[k]
|
||||
}
|
||||
}
|
||||
return ""
|
||||
}
|
||||
|
||||
// RoutePattern builds the routing pattern string for the particular
|
||||
// request, at the particular point during routing. This means, the value
|
||||
// will change throughout the execution of a request in a router. That is
|
||||
// why its advised to only use this value after calling the next handler.
|
||||
//
|
||||
// For example,
|
||||
//
|
||||
// func Instrument(next http.Handler) http.Handler {
|
||||
// return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
// next.ServeHTTP(w, r)
|
||||
// routePattern := chi.RouteContext(r.Context()).RoutePattern()
|
||||
// measure(w, r, routePattern)
|
||||
// })
|
||||
// }
|
||||
func (x *Context) RoutePattern() string {
|
||||
routePattern := strings.Join(x.RoutePatterns, "")
|
||||
return replaceWildcards(routePattern)
|
||||
}
|
||||
|
||||
// replaceWildcards takes a route pattern and recursively replaces all
|
||||
// occurrences of "/*/" to "/".
|
||||
func replaceWildcards(p string) string {
|
||||
if strings.Contains(p, "/*/") {
|
||||
return replaceWildcards(strings.Replace(p, "/*/", "/", -1))
|
||||
}
|
||||
|
||||
return p
|
||||
}
|
||||
|
||||
// RouteParams is a structure to track URL routing parameters efficiently.
|
||||
type RouteParams struct {
|
||||
Keys, Values []string
|
||||
}
|
||||
|
||||
// Add will append a URL parameter to the end of the route param
|
||||
func (s *RouteParams) Add(key, value string) {
|
||||
s.Keys = append(s.Keys, key)
|
||||
s.Values = append(s.Values, value)
|
||||
}
|
||||
|
||||
// contextKey is a value for use with context.WithValue. It's used as
|
||||
// a pointer so it fits in an interface{} without allocation. This technique
|
||||
// for defining context keys was copied from Go 1.7's new use of context in net/http.
|
||||
type contextKey struct {
|
||||
name string
|
||||
}
|
||||
|
||||
func (k *contextKey) String() string {
|
||||
return "chi context value " + k.name
|
||||
}
|
3
vendor/github.com/go-chi/chi/go.mod
generated
vendored
Normal file
3
vendor/github.com/go-chi/chi/go.mod
generated
vendored
Normal file
@ -0,0 +1,3 @@
|
||||
module github.com/go-chi/chi
|
||||
|
||||
go 1.15
|
32
vendor/github.com/go-chi/chi/middleware/basic_auth.go
generated
vendored
Normal file
32
vendor/github.com/go-chi/chi/middleware/basic_auth.go
generated
vendored
Normal file
@ -0,0 +1,32 @@
|
||||
package middleware
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"net/http"
|
||||
)
|
||||
|
||||
// BasicAuth implements a simple middleware handler for adding basic http auth to a route.
|
||||
func BasicAuth(realm string, creds map[string]string) func(next http.Handler) http.Handler {
|
||||
return func(next http.Handler) http.Handler {
|
||||
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
user, pass, ok := r.BasicAuth()
|
||||
if !ok {
|
||||
basicAuthFailed(w, realm)
|
||||
return
|
||||
}
|
||||
|
||||
credPass, credUserOk := creds[user]
|
||||
if !credUserOk || pass != credPass {
|
||||
basicAuthFailed(w, realm)
|
||||
return
|
||||
}
|
||||
|
||||
next.ServeHTTP(w, r)
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func basicAuthFailed(w http.ResponseWriter, realm string) {
|
||||
w.Header().Add("WWW-Authenticate", fmt.Sprintf(`Basic realm="%s"`, realm))
|
||||
w.WriteHeader(http.StatusUnauthorized)
|
||||
}
|
399
vendor/github.com/go-chi/chi/middleware/compress.go
generated
vendored
Normal file
399
vendor/github.com/go-chi/chi/middleware/compress.go
generated
vendored
Normal file
@ -0,0 +1,399 @@
|
||||
package middleware
|
||||
|
||||
import (
|
||||
"bufio"
|
||||
"compress/flate"
|
||||
"compress/gzip"
|
||||
"errors"
|
||||
"fmt"
|
||||
"io"
|
||||
"io/ioutil"
|
||||
"net"
|
||||
"net/http"
|
||||
"strings"
|
||||
"sync"
|
||||
)
|
||||
|
||||
var defaultCompressibleContentTypes = []string{
|
||||
"text/html",
|
||||
"text/css",
|
||||
"text/plain",
|
||||
"text/javascript",
|
||||
"application/javascript",
|
||||
"application/x-javascript",
|
||||
"application/json",
|
||||
"application/atom+xml",
|
||||
"application/rss+xml",
|
||||
"image/svg+xml",
|
||||
}
|
||||
|
||||
// Compress is a middleware that compresses response
|
||||
// body of a given content types to a data format based
|
||||
// on Accept-Encoding request header. It uses a given
|
||||
// compression level.
|
||||
//
|
||||
// NOTE: make sure to set the Content-Type header on your response
|
||||
// otherwise this middleware will not compress the response body. For ex, in
|
||||
// your handler you should set w.Header().Set("Content-Type", http.DetectContentType(yourBody))
|
||||
// or set it manually.
|
||||
//
|
||||
// Passing a compression level of 5 is sensible value
|
||||
func Compress(level int, types ...string) func(next http.Handler) http.Handler {
|
||||
compressor := NewCompressor(level, types...)
|
||||
return compressor.Handler
|
||||
}
|
||||
|
||||
// Compressor represents a set of encoding configurations.
|
||||
type Compressor struct {
|
||||
level int // The compression level.
|
||||
// The mapping of encoder names to encoder functions.
|
||||
encoders map[string]EncoderFunc
|
||||
// The mapping of pooled encoders to pools.
|
||||
pooledEncoders map[string]*sync.Pool
|
||||
// The set of content types allowed to be compressed.
|
||||
allowedTypes map[string]struct{}
|
||||
allowedWildcards map[string]struct{}
|
||||
// The list of encoders in order of decreasing precedence.
|
||||
encodingPrecedence []string
|
||||
}
|
||||
|
||||
// NewCompressor creates a new Compressor that will handle encoding responses.
|
||||
//
|
||||
// The level should be one of the ones defined in the flate package.
|
||||
// The types are the content types that are allowed to be compressed.
|
||||
func NewCompressor(level int, types ...string) *Compressor {
|
||||
// If types are provided, set those as the allowed types. If none are
|
||||
// provided, use the default list.
|
||||
allowedTypes := make(map[string]struct{})
|
||||
allowedWildcards := make(map[string]struct{})
|
||||
if len(types) > 0 {
|
||||
for _, t := range types {
|
||||
if strings.Contains(strings.TrimSuffix(t, "/*"), "*") {
|
||||
panic(fmt.Sprintf("middleware/compress: Unsupported content-type wildcard pattern '%s'. Only '/*' supported", t))
|
||||
}
|
||||
if strings.HasSuffix(t, "/*") {
|
||||
allowedWildcards[strings.TrimSuffix(t, "/*")] = struct{}{}
|
||||
} else {
|
||||
allowedTypes[t] = struct{}{}
|
||||
}
|
||||
}
|
||||
} else {
|
||||
for _, t := range defaultCompressibleContentTypes {
|
||||
allowedTypes[t] = struct{}{}
|
||||
}
|
||||
}
|
||||
|
||||
c := &Compressor{
|
||||
level: level,
|
||||
encoders: make(map[string]EncoderFunc),
|
||||
pooledEncoders: make(map[string]*sync.Pool),
|
||||
allowedTypes: allowedTypes,
|
||||
allowedWildcards: allowedWildcards,
|
||||
}
|
||||
|
||||
// Set the default encoders. The precedence order uses the reverse
|
||||
// ordering that the encoders were added. This means adding new encoders
|
||||
// will move them to the front of the order.
|
||||
//
|
||||
// TODO:
|
||||
// lzma: Opera.
|
||||
// sdch: Chrome, Android. Gzip output + dictionary header.
|
||||
// br: Brotli, see https://github.com/go-chi/chi/pull/326
|
||||
|
||||
// HTTP 1.1 "deflate" (RFC 2616) stands for DEFLATE data (RFC 1951)
|
||||
// wrapped with zlib (RFC 1950). The zlib wrapper uses Adler-32
|
||||
// checksum compared to CRC-32 used in "gzip" and thus is faster.
|
||||
//
|
||||
// But.. some old browsers (MSIE, Safari 5.1) incorrectly expect
|
||||
// raw DEFLATE data only, without the mentioned zlib wrapper.
|
||||
// Because of this major confusion, most modern browsers try it
|
||||
// both ways, first looking for zlib headers.
|
||||
// Quote by Mark Adler: http://stackoverflow.com/a/9186091/385548
|
||||
//
|
||||
// The list of browsers having problems is quite big, see:
|
||||
// http://zoompf.com/blog/2012/02/lose-the-wait-http-compression
|
||||
// https://web.archive.org/web/20120321182910/http://www.vervestudios.co/projects/compression-tests/results
|
||||
//
|
||||
// That's why we prefer gzip over deflate. It's just more reliable
|
||||
// and not significantly slower than gzip.
|
||||
c.SetEncoder("deflate", encoderDeflate)
|
||||
|
||||
// TODO: Exception for old MSIE browsers that can't handle non-HTML?
|
||||
// https://zoompf.com/blog/2012/02/lose-the-wait-http-compression
|
||||
c.SetEncoder("gzip", encoderGzip)
|
||||
|
||||
// NOTE: Not implemented, intentionally:
|
||||
// case "compress": // LZW. Deprecated.
|
||||
// case "bzip2": // Too slow on-the-fly.
|
||||
// case "zopfli": // Too slow on-the-fly.
|
||||
// case "xz": // Too slow on-the-fly.
|
||||
return c
|
||||
}
|
||||
|
||||
// SetEncoder can be used to set the implementation of a compression algorithm.
|
||||
//
|
||||
// The encoding should be a standardised identifier. See:
|
||||
// https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Accept-Encoding
|
||||
//
|
||||
// For example, add the Brotli algortithm:
|
||||
//
|
||||
// import brotli_enc "gopkg.in/kothar/brotli-go.v0/enc"
|
||||
//
|
||||
// compressor := middleware.NewCompressor(5, "text/html")
|
||||
// compressor.SetEncoder("br", func(w http.ResponseWriter, level int) io.Writer {
|
||||
// params := brotli_enc.NewBrotliParams()
|
||||
// params.SetQuality(level)
|
||||
// return brotli_enc.NewBrotliWriter(params, w)
|
||||
// })
|
||||
func (c *Compressor) SetEncoder(encoding string, fn EncoderFunc) {
|
||||
encoding = strings.ToLower(encoding)
|
||||
if encoding == "" {
|
||||
panic("the encoding can not be empty")
|
||||
}
|
||||
if fn == nil {
|
||||
panic("attempted to set a nil encoder function")
|
||||
}
|
||||
|
||||
// If we are adding a new encoder that is already registered, we have to
|
||||
// clear that one out first.
|
||||
if _, ok := c.pooledEncoders[encoding]; ok {
|
||||
delete(c.pooledEncoders, encoding)
|
||||
}
|
||||
if _, ok := c.encoders[encoding]; ok {
|
||||
delete(c.encoders, encoding)
|
||||
}
|
||||
|
||||
// If the encoder supports Resetting (IoReseterWriter), then it can be pooled.
|
||||
encoder := fn(ioutil.Discard, c.level)
|
||||
if encoder != nil {
|
||||
if _, ok := encoder.(ioResetterWriter); ok {
|
||||
pool := &sync.Pool{
|
||||
New: func() interface{} {
|
||||
return fn(ioutil.Discard, c.level)
|
||||
},
|
||||
}
|
||||
c.pooledEncoders[encoding] = pool
|
||||
}
|
||||
}
|
||||
// If the encoder is not in the pooledEncoders, add it to the normal encoders.
|
||||
if _, ok := c.pooledEncoders[encoding]; !ok {
|
||||
c.encoders[encoding] = fn
|
||||
}
|
||||
|
||||
for i, v := range c.encodingPrecedence {
|
||||
if v == encoding {
|
||||
c.encodingPrecedence = append(c.encodingPrecedence[:i], c.encodingPrecedence[i+1:]...)
|
||||
}
|
||||
}
|
||||
|
||||
c.encodingPrecedence = append([]string{encoding}, c.encodingPrecedence...)
|
||||
}
|
||||
|
||||
// Handler returns a new middleware that will compress the response based on the
|
||||
// current Compressor.
|
||||
func (c *Compressor) Handler(next http.Handler) http.Handler {
|
||||
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
encoder, encoding, cleanup := c.selectEncoder(r.Header, w)
|
||||
|
||||
cw := &compressResponseWriter{
|
||||
ResponseWriter: w,
|
||||
w: w,
|
||||
contentTypes: c.allowedTypes,
|
||||
contentWildcards: c.allowedWildcards,
|
||||
encoding: encoding,
|
||||
compressable: false, // determined in post-handler
|
||||
}
|
||||
if encoder != nil {
|
||||
cw.w = encoder
|
||||
}
|
||||
// Re-add the encoder to the pool if applicable.
|
||||
defer cleanup()
|
||||
defer cw.Close()
|
||||
|
||||
next.ServeHTTP(cw, r)
|
||||
})
|
||||
}
|
||||
|
||||
// selectEncoder returns the encoder, the name of the encoder, and a closer function.
|
||||
func (c *Compressor) selectEncoder(h http.Header, w io.Writer) (io.Writer, string, func()) {
|
||||
header := h.Get("Accept-Encoding")
|
||||
|
||||
// Parse the names of all accepted algorithms from the header.
|
||||
accepted := strings.Split(strings.ToLower(header), ",")
|
||||
|
||||
// Find supported encoder by accepted list by precedence
|
||||
for _, name := range c.encodingPrecedence {
|
||||
if matchAcceptEncoding(accepted, name) {
|
||||
if pool, ok := c.pooledEncoders[name]; ok {
|
||||
encoder := pool.Get().(ioResetterWriter)
|
||||
cleanup := func() {
|
||||
pool.Put(encoder)
|
||||
}
|
||||
encoder.Reset(w)
|
||||
return encoder, name, cleanup
|
||||
|
||||
}
|
||||
if fn, ok := c.encoders[name]; ok {
|
||||
return fn(w, c.level), name, func() {}
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
// No encoder found to match the accepted encoding
|
||||
return nil, "", func() {}
|
||||
}
|
||||
|
||||
func matchAcceptEncoding(accepted []string, encoding string) bool {
|
||||
for _, v := range accepted {
|
||||
if strings.Contains(v, encoding) {
|
||||
return true
|
||||
}
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
// An EncoderFunc is a function that wraps the provided io.Writer with a
|
||||
// streaming compression algorithm and returns it.
|
||||
//
|
||||
// In case of failure, the function should return nil.
|
||||
type EncoderFunc func(w io.Writer, level int) io.Writer
|
||||
|
||||
// Interface for types that allow resetting io.Writers.
|
||||
type ioResetterWriter interface {
|
||||
io.Writer
|
||||
Reset(w io.Writer)
|
||||
}
|
||||
|
||||
type compressResponseWriter struct {
|
||||
http.ResponseWriter
|
||||
|
||||
// The streaming encoder writer to be used if there is one. Otherwise,
|
||||
// this is just the normal writer.
|
||||
w io.Writer
|
||||
encoding string
|
||||
contentTypes map[string]struct{}
|
||||
contentWildcards map[string]struct{}
|
||||
wroteHeader bool
|
||||
compressable bool
|
||||
}
|
||||
|
||||
func (cw *compressResponseWriter) isCompressable() bool {
|
||||
// Parse the first part of the Content-Type response header.
|
||||
contentType := cw.Header().Get("Content-Type")
|
||||
if idx := strings.Index(contentType, ";"); idx >= 0 {
|
||||
contentType = contentType[0:idx]
|
||||
}
|
||||
|
||||
// Is the content type compressable?
|
||||
if _, ok := cw.contentTypes[contentType]; ok {
|
||||
return true
|
||||
}
|
||||
if idx := strings.Index(contentType, "/"); idx > 0 {
|
||||
contentType = contentType[0:idx]
|
||||
_, ok := cw.contentWildcards[contentType]
|
||||
return ok
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
func (cw *compressResponseWriter) WriteHeader(code int) {
|
||||
if cw.wroteHeader {
|
||||
cw.ResponseWriter.WriteHeader(code) // Allow multiple calls to propagate.
|
||||
return
|
||||
}
|
||||
cw.wroteHeader = true
|
||||
defer cw.ResponseWriter.WriteHeader(code)
|
||||
|
||||
// Already compressed data?
|
||||
if cw.Header().Get("Content-Encoding") != "" {
|
||||
return
|
||||
}
|
||||
|
||||
if !cw.isCompressable() {
|
||||
cw.compressable = false
|
||||
return
|
||||
}
|
||||
|
||||
if cw.encoding != "" {
|
||||
cw.compressable = true
|
||||
cw.Header().Set("Content-Encoding", cw.encoding)
|
||||
cw.Header().Set("Vary", "Accept-Encoding")
|
||||
|
||||
// The content-length after compression is unknown
|
||||
cw.Header().Del("Content-Length")
|
||||
}
|
||||
}
|
||||
|
||||
func (cw *compressResponseWriter) Write(p []byte) (int, error) {
|
||||
if !cw.wroteHeader {
|
||||
cw.WriteHeader(http.StatusOK)
|
||||
}
|
||||
|
||||
return cw.writer().Write(p)
|
||||
}
|
||||
|
||||
func (cw *compressResponseWriter) writer() io.Writer {
|
||||
if cw.compressable {
|
||||
return cw.w
|
||||
} else {
|
||||
return cw.ResponseWriter
|
||||
}
|
||||
}
|
||||
|
||||
type compressFlusher interface {
|
||||
Flush() error
|
||||
}
|
||||
|
||||
func (cw *compressResponseWriter) Flush() {
|
||||
if f, ok := cw.writer().(http.Flusher); ok {
|
||||
f.Flush()
|
||||
}
|
||||
// If the underlying writer has a compression flush signature,
|
||||
// call this Flush() method instead
|
||||
if f, ok := cw.writer().(compressFlusher); ok {
|
||||
f.Flush()
|
||||
|
||||
// Also flush the underlying response writer
|
||||
if f, ok := cw.ResponseWriter.(http.Flusher); ok {
|
||||
f.Flush()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (cw *compressResponseWriter) Hijack() (net.Conn, *bufio.ReadWriter, error) {
|
||||
if hj, ok := cw.writer().(http.Hijacker); ok {
|
||||
return hj.Hijack()
|
||||
}
|
||||
return nil, nil, errors.New("chi/middleware: http.Hijacker is unavailable on the writer")
|
||||
}
|
||||
|
||||
func (cw *compressResponseWriter) Push(target string, opts *http.PushOptions) error {
|
||||
if ps, ok := cw.writer().(http.Pusher); ok {
|
||||
return ps.Push(target, opts)
|
||||
}
|
||||
return errors.New("chi/middleware: http.Pusher is unavailable on the writer")
|
||||
}
|
||||
|
||||
func (cw *compressResponseWriter) Close() error {
|
||||
if c, ok := cw.writer().(io.WriteCloser); ok {
|
||||
return c.Close()
|
||||
}
|
||||
return errors.New("chi/middleware: io.WriteCloser is unavailable on the writer")
|
||||
}
|
||||
|
||||
func encoderGzip(w io.Writer, level int) io.Writer {
|
||||
gw, err := gzip.NewWriterLevel(w, level)
|
||||
if err != nil {
|
||||
return nil
|
||||
}
|
||||
return gw
|
||||
}
|
||||
|
||||
func encoderDeflate(w io.Writer, level int) io.Writer {
|
||||
dw, err := flate.NewWriter(w, level)
|
||||
if err != nil {
|
||||
return nil
|
||||
}
|
||||
return dw
|
||||
}
|
51
vendor/github.com/go-chi/chi/middleware/content_charset.go
generated
vendored
Normal file
51
vendor/github.com/go-chi/chi/middleware/content_charset.go
generated
vendored
Normal file
@ -0,0 +1,51 @@
|
||||
package middleware
|
||||
|
||||
import (
|
||||
"net/http"
|
||||
"strings"
|
||||
)
|
||||
|
||||
// ContentCharset generates a handler that writes a 415 Unsupported Media Type response if none of the charsets match.
|
||||
// An empty charset will allow requests with no Content-Type header or no specified charset.
|
||||
func ContentCharset(charsets ...string) func(next http.Handler) http.Handler {
|
||||
for i, c := range charsets {
|
||||
charsets[i] = strings.ToLower(c)
|
||||
}
|
||||
|
||||
return func(next http.Handler) http.Handler {
|
||||
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
if !contentEncoding(r.Header.Get("Content-Type"), charsets...) {
|
||||
w.WriteHeader(http.StatusUnsupportedMediaType)
|
||||
return
|
||||
}
|
||||
|
||||
next.ServeHTTP(w, r)
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
// Check the content encoding against a list of acceptable values.
|
||||
func contentEncoding(ce string, charsets ...string) bool {
|
||||
_, ce = split(strings.ToLower(ce), ";")
|
||||
_, ce = split(ce, "charset=")
|
||||
ce, _ = split(ce, ";")
|
||||
for _, c := range charsets {
|
||||
if ce == c {
|
||||
return true
|
||||
}
|
||||
}
|
||||
|
||||
return false
|
||||
}
|
||||
|
||||
// Split a string in two parts, cleaning any whitespace.
|
||||
func split(str, sep string) (string, string) {
|
||||
var a, b string
|
||||
var parts = strings.SplitN(str, sep, 2)
|
||||
a = strings.TrimSpace(parts[0])
|
||||
if len(parts) == 2 {
|
||||
b = strings.TrimSpace(parts[1])
|
||||
}
|
||||
|
||||
return a, b
|
||||
}
|
34
vendor/github.com/go-chi/chi/middleware/content_encoding.go
generated
vendored
Normal file
34
vendor/github.com/go-chi/chi/middleware/content_encoding.go
generated
vendored
Normal file
@ -0,0 +1,34 @@
|
||||
package middleware
|
||||
|
||||
import (
|
||||
"net/http"
|
||||
"strings"
|
||||
)
|
||||
|
||||
// AllowContentEncoding enforces a whitelist of request Content-Encoding otherwise responds
|
||||
// with a 415 Unsupported Media Type status.
|
||||
func AllowContentEncoding(contentEncoding ...string) func(next http.Handler) http.Handler {
|
||||
allowedEncodings := make(map[string]struct{}, len(contentEncoding))
|
||||
for _, encoding := range contentEncoding {
|
||||
allowedEncodings[strings.TrimSpace(strings.ToLower(encoding))] = struct{}{}
|
||||
}
|
||||
return func(next http.Handler) http.Handler {
|
||||
fn := func(w http.ResponseWriter, r *http.Request) {
|
||||
requestEncodings := r.Header["Content-Encoding"]
|
||||
// skip check for empty content body or no Content-Encoding
|
||||
if r.ContentLength == 0 {
|
||||
next.ServeHTTP(w, r)
|
||||
return
|
||||
}
|
||||
// All encodings in the request must be allowed
|
||||
for _, encoding := range requestEncodings {
|
||||
if _, ok := allowedEncodings[strings.TrimSpace(strings.ToLower(encoding))]; !ok {
|
||||
w.WriteHeader(http.StatusUnsupportedMediaType)
|
||||
return
|
||||
}
|
||||
}
|
||||
next.ServeHTTP(w, r)
|
||||
}
|
||||
return http.HandlerFunc(fn)
|
||||
}
|
||||
}
|
51
vendor/github.com/go-chi/chi/middleware/content_type.go
generated
vendored
Normal file
51
vendor/github.com/go-chi/chi/middleware/content_type.go
generated
vendored
Normal file
@ -0,0 +1,51 @@
|
||||
package middleware
|
||||
|
||||
import (
|
||||
"net/http"
|
||||
"strings"
|
||||
)
|
||||
|
||||
// SetHeader is a convenience handler to set a response header key/value
|
||||
func SetHeader(key, value string) func(next http.Handler) http.Handler {
|
||||
return func(next http.Handler) http.Handler {
|
||||
fn := func(w http.ResponseWriter, r *http.Request) {
|
||||
w.Header().Set(key, value)
|
||||
next.ServeHTTP(w, r)
|
||||
}
|
||||
return http.HandlerFunc(fn)
|
||||
}
|
||||
}
|
||||
|
||||
// AllowContentType enforces a whitelist of request Content-Types otherwise responds
|
||||
// with a 415 Unsupported Media Type status.
|
||||
func AllowContentType(contentTypes ...string) func(next http.Handler) http.Handler {
|
||||
cT := []string{}
|
||||
for _, t := range contentTypes {
|
||||
cT = append(cT, strings.ToLower(t))
|
||||
}
|
||||
|
||||
return func(next http.Handler) http.Handler {
|
||||
fn := func(w http.ResponseWriter, r *http.Request) {
|
||||
if r.ContentLength == 0 {
|
||||
// skip check for empty content body
|
||||
next.ServeHTTP(w, r)
|
||||
return
|
||||
}
|
||||
|
||||
s := strings.ToLower(strings.TrimSpace(r.Header.Get("Content-Type")))
|
||||
if i := strings.Index(s, ";"); i > -1 {
|
||||
s = s[0:i]
|
||||
}
|
||||
|
||||
for _, t := range cT {
|
||||
if t == s {
|
||||
next.ServeHTTP(w, r)
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
w.WriteHeader(http.StatusUnsupportedMediaType)
|
||||
}
|
||||
return http.HandlerFunc(fn)
|
||||
}
|
||||
}
|
39
vendor/github.com/go-chi/chi/middleware/get_head.go
generated
vendored
Normal file
39
vendor/github.com/go-chi/chi/middleware/get_head.go
generated
vendored
Normal file
@ -0,0 +1,39 @@
|
||||
package middleware
|
||||
|
||||
import (
|
||||
"net/http"
|
||||
|
||||
"github.com/go-chi/chi"
|
||||
)
|
||||
|
||||
// GetHead automatically route undefined HEAD requests to GET handlers.
|
||||
func GetHead(next http.Handler) http.Handler {
|
||||
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
if r.Method == "HEAD" {
|
||||
rctx := chi.RouteContext(r.Context())
|
||||
routePath := rctx.RoutePath
|
||||
if routePath == "" {
|
||||
if r.URL.RawPath != "" {
|
||||
routePath = r.URL.RawPath
|
||||
} else {
|
||||
routePath = r.URL.Path
|
||||
}
|
||||
}
|
||||
|
||||
// Temporary routing context to look-ahead before routing the request
|
||||
tctx := chi.NewRouteContext()
|
||||
|
||||
// Attempt to find a HEAD handler for the routing path, if not found, traverse
|
||||
// the router as through its a GET route, but proceed with the request
|
||||
// with the HEAD method.
|
||||
if !rctx.Routes.Match(tctx, "HEAD", routePath) {
|
||||
rctx.RouteMethod = "GET"
|
||||
rctx.RoutePath = routePath
|
||||
next.ServeHTTP(w, r)
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
next.ServeHTTP(w, r)
|
||||
})
|
||||
}
|
26
vendor/github.com/go-chi/chi/middleware/heartbeat.go
generated
vendored
Normal file
26
vendor/github.com/go-chi/chi/middleware/heartbeat.go
generated
vendored
Normal file
@ -0,0 +1,26 @@
|
||||
package middleware
|
||||
|
||||
import (
|
||||
"net/http"
|
||||
"strings"
|
||||
)
|
||||
|
||||
// Heartbeat endpoint middleware useful to setting up a path like
|
||||
// `/ping` that load balancers or uptime testing external services
|
||||
// can make a request before hitting any routes. It's also convenient
|
||||
// to place this above ACL middlewares as well.
|
||||
func Heartbeat(endpoint string) func(http.Handler) http.Handler {
|
||||
f := func(h http.Handler) http.Handler {
|
||||
fn := func(w http.ResponseWriter, r *http.Request) {
|
||||
if r.Method == "GET" && strings.EqualFold(r.URL.Path, endpoint) {
|
||||
w.Header().Set("Content-Type", "text/plain")
|
||||
w.WriteHeader(http.StatusOK)
|
||||
w.Write([]byte("."))
|
||||
return
|
||||
}
|
||||
h.ServeHTTP(w, r)
|
||||
}
|
||||
return http.HandlerFunc(fn)
|
||||
}
|
||||
return f
|
||||
}
|
155
vendor/github.com/go-chi/chi/middleware/logger.go
generated
vendored
Normal file
155
vendor/github.com/go-chi/chi/middleware/logger.go
generated
vendored
Normal file
@ -0,0 +1,155 @@
|
||||
package middleware
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"context"
|
||||
"log"
|
||||
"net/http"
|
||||
"os"
|
||||
"time"
|
||||
)
|
||||
|
||||
var (
|
||||
// LogEntryCtxKey is the context.Context key to store the request log entry.
|
||||
LogEntryCtxKey = &contextKey{"LogEntry"}
|
||||
|
||||
// DefaultLogger is called by the Logger middleware handler to log each request.
|
||||
// Its made a package-level variable so that it can be reconfigured for custom
|
||||
// logging configurations.
|
||||
DefaultLogger = RequestLogger(&DefaultLogFormatter{Logger: log.New(os.Stdout, "", log.LstdFlags), NoColor: false})
|
||||
)
|
||||
|
||||
// Logger is a middleware that logs the start and end of each request, along
|
||||
// with some useful data about what was requested, what the response status was,
|
||||
// and how long it took to return. When standard output is a TTY, Logger will
|
||||
// print in color, otherwise it will print in black and white. Logger prints a
|
||||
// request ID if one is provided.
|
||||
//
|
||||
// Alternatively, look at https://github.com/goware/httplog for a more in-depth
|
||||
// http logger with structured logging support.
|
||||
func Logger(next http.Handler) http.Handler {
|
||||
return DefaultLogger(next)
|
||||
}
|
||||
|
||||
// RequestLogger returns a logger handler using a custom LogFormatter.
|
||||
func RequestLogger(f LogFormatter) func(next http.Handler) http.Handler {
|
||||
return func(next http.Handler) http.Handler {
|
||||
fn := func(w http.ResponseWriter, r *http.Request) {
|
||||
entry := f.NewLogEntry(r)
|
||||
ww := NewWrapResponseWriter(w, r.ProtoMajor)
|
||||
|
||||
t1 := time.Now()
|
||||
defer func() {
|
||||
entry.Write(ww.Status(), ww.BytesWritten(), ww.Header(), time.Since(t1), nil)
|
||||
}()
|
||||
|
||||
next.ServeHTTP(ww, WithLogEntry(r, entry))
|
||||
}
|
||||
return http.HandlerFunc(fn)
|
||||
}
|
||||
}
|
||||
|
||||
// LogFormatter initiates the beginning of a new LogEntry per request.
|
||||
// See DefaultLogFormatter for an example implementation.
|
||||
type LogFormatter interface {
|
||||
NewLogEntry(r *http.Request) LogEntry
|
||||
}
|
||||
|
||||
// LogEntry records the final log when a request completes.
|
||||
// See defaultLogEntry for an example implementation.
|
||||
type LogEntry interface {
|
||||
Write(status, bytes int, header http.Header, elapsed time.Duration, extra interface{})
|
||||
Panic(v interface{}, stack []byte)
|
||||
}
|
||||
|
||||
// GetLogEntry returns the in-context LogEntry for a request.
|
||||
func GetLogEntry(r *http.Request) LogEntry {
|
||||
entry, _ := r.Context().Value(LogEntryCtxKey).(LogEntry)
|
||||
return entry
|
||||
}
|
||||
|
||||
// WithLogEntry sets the in-context LogEntry for a request.
|
||||
func WithLogEntry(r *http.Request, entry LogEntry) *http.Request {
|
||||
r = r.WithContext(context.WithValue(r.Context(), LogEntryCtxKey, entry))
|
||||
return r
|
||||
}
|
||||
|
||||
// LoggerInterface accepts printing to stdlib logger or compatible logger.
|
||||
type LoggerInterface interface {
|
||||
Print(v ...interface{})
|
||||
}
|
||||
|
||||
// DefaultLogFormatter is a simple logger that implements a LogFormatter.
|
||||
type DefaultLogFormatter struct {
|
||||
Logger LoggerInterface
|
||||
NoColor bool
|
||||
}
|
||||
|
||||
// NewLogEntry creates a new LogEntry for the request.
|
||||
func (l *DefaultLogFormatter) NewLogEntry(r *http.Request) LogEntry {
|
||||
useColor := !l.NoColor
|
||||
entry := &defaultLogEntry{
|
||||
DefaultLogFormatter: l,
|
||||
request: r,
|
||||
buf: &bytes.Buffer{},
|
||||
useColor: useColor,
|
||||
}
|
||||
|
||||
reqID := GetReqID(r.Context())
|
||||
if reqID != "" {
|
||||
cW(entry.buf, useColor, nYellow, "[%s] ", reqID)
|
||||
}
|
||||
cW(entry.buf, useColor, nCyan, "\"")
|
||||
cW(entry.buf, useColor, bMagenta, "%s ", r.Method)
|
||||
|
||||
scheme := "http"
|
||||
if r.TLS != nil {
|
||||
scheme = "https"
|
||||
}
|
||||
cW(entry.buf, useColor, nCyan, "%s://%s%s %s\" ", scheme, r.Host, r.RequestURI, r.Proto)
|
||||
|
||||
entry.buf.WriteString("from ")
|
||||
entry.buf.WriteString(r.RemoteAddr)
|
||||
entry.buf.WriteString(" - ")
|
||||
|
||||
return entry
|
||||
}
|
||||
|
||||
type defaultLogEntry struct {
|
||||
*DefaultLogFormatter
|
||||
request *http.Request
|
||||
buf *bytes.Buffer
|
||||
useColor bool
|
||||
}
|
||||
|
||||
func (l *defaultLogEntry) Write(status, bytes int, header http.Header, elapsed time.Duration, extra interface{}) {
|
||||
switch {
|
||||
case status < 200:
|
||||
cW(l.buf, l.useColor, bBlue, "%03d", status)
|
||||
case status < 300:
|
||||
cW(l.buf, l.useColor, bGreen, "%03d", status)
|
||||
case status < 400:
|
||||
cW(l.buf, l.useColor, bCyan, "%03d", status)
|
||||
case status < 500:
|
||||
cW(l.buf, l.useColor, bYellow, "%03d", status)
|
||||
default:
|
||||
cW(l.buf, l.useColor, bRed, "%03d", status)
|
||||
}
|
||||
|
||||
cW(l.buf, l.useColor, bBlue, " %dB", bytes)
|
||||
|
||||
l.buf.WriteString(" in ")
|
||||
if elapsed < 500*time.Millisecond {
|
||||
cW(l.buf, l.useColor, nGreen, "%s", elapsed)
|
||||
} else if elapsed < 5*time.Second {
|
||||
cW(l.buf, l.useColor, nYellow, "%s", elapsed)
|
||||
} else {
|
||||
cW(l.buf, l.useColor, nRed, "%s", elapsed)
|
||||
}
|
||||
|
||||
l.Logger.Print(l.buf.String())
|
||||
}
|
||||
|
||||
func (l *defaultLogEntry) Panic(v interface{}, stack []byte) {
|
||||
PrintPrettyStack(v)
|
||||
}
|
23
vendor/github.com/go-chi/chi/middleware/middleware.go
generated
vendored
Normal file
23
vendor/github.com/go-chi/chi/middleware/middleware.go
generated
vendored
Normal file
@ -0,0 +1,23 @@
|
||||
package middleware
|
||||
|
||||
import "net/http"
|
||||
|
||||
// New will create a new middleware handler from a http.Handler.
|
||||
func New(h http.Handler) func(next http.Handler) http.Handler {
|
||||
return func(next http.Handler) http.Handler {
|
||||
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
h.ServeHTTP(w, r)
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
// contextKey is a value for use with context.WithValue. It's used as
|
||||
// a pointer so it fits in an interface{} without allocation. This technique
|
||||
// for defining context keys was copied from Go 1.7's new use of context in net/http.
|
||||
type contextKey struct {
|
||||
name string
|
||||
}
|
||||
|
||||
func (k *contextKey) String() string {
|
||||
return "chi/middleware context value " + k.name
|
||||
}
|
58
vendor/github.com/go-chi/chi/middleware/nocache.go
generated
vendored
Normal file
58
vendor/github.com/go-chi/chi/middleware/nocache.go
generated
vendored
Normal file
@ -0,0 +1,58 @@
|
||||
package middleware
|
||||
|
||||
// Ported from Goji's middleware, source:
|
||||
// https://github.com/zenazn/goji/tree/master/web/middleware
|
||||
|
||||
import (
|
||||
"net/http"
|
||||
"time"
|
||||
)
|
||||
|
||||
// Unix epoch time
|
||||
var epoch = time.Unix(0, 0).Format(time.RFC1123)
|
||||
|
||||
// Taken from https://github.com/mytrile/nocache
|
||||
var noCacheHeaders = map[string]string{
|
||||
"Expires": epoch,
|
||||
"Cache-Control": "no-cache, no-store, no-transform, must-revalidate, private, max-age=0",
|
||||
"Pragma": "no-cache",
|
||||
"X-Accel-Expires": "0",
|
||||
}
|
||||
|
||||
var etagHeaders = []string{
|
||||
"ETag",
|
||||
"If-Modified-Since",
|
||||
"If-Match",
|
||||
"If-None-Match",
|
||||
"If-Range",
|
||||
"If-Unmodified-Since",
|
||||
}
|
||||
|
||||
// NoCache is a simple piece of middleware that sets a number of HTTP headers to prevent
|
||||
// a router (or subrouter) from being cached by an upstream proxy and/or client.
|
||||
//
|
||||
// As per http://wiki.nginx.org/HttpProxyModule - NoCache sets:
|
||||
// Expires: Thu, 01 Jan 1970 00:00:00 UTC
|
||||
// Cache-Control: no-cache, private, max-age=0
|
||||
// X-Accel-Expires: 0
|
||||
// Pragma: no-cache (for HTTP/1.0 proxies/clients)
|
||||
func NoCache(h http.Handler) http.Handler {
|
||||
fn := func(w http.ResponseWriter, r *http.Request) {
|
||||
|
||||
// Delete any ETag headers that may have been set
|
||||
for _, v := range etagHeaders {
|
||||
if r.Header.Get(v) != "" {
|
||||
r.Header.Del(v)
|
||||
}
|
||||
}
|
||||
|
||||
// Set our NoCache headers
|
||||
for k, v := range noCacheHeaders {
|
||||
w.Header().Set(k, v)
|
||||
}
|
||||
|
||||
h.ServeHTTP(w, r)
|
||||
}
|
||||
|
||||
return http.HandlerFunc(fn)
|
||||
}
|
55
vendor/github.com/go-chi/chi/middleware/profiler.go
generated
vendored
Normal file
55
vendor/github.com/go-chi/chi/middleware/profiler.go
generated
vendored
Normal file
@ -0,0 +1,55 @@
|
||||
package middleware
|
||||
|
||||
import (
|
||||
"expvar"
|
||||
"fmt"
|
||||
"net/http"
|
||||
"net/http/pprof"
|
||||
|
||||
"github.com/go-chi/chi"
|
||||
)
|
||||
|
||||
// Profiler is a convenient subrouter used for mounting net/http/pprof. ie.
|
||||
//
|
||||
// func MyService() http.Handler {
|
||||
// r := chi.NewRouter()
|
||||
// // ..middlewares
|
||||
// r.Mount("/debug", middleware.Profiler())
|
||||
// // ..routes
|
||||
// return r
|
||||
// }
|
||||
func Profiler() http.Handler {
|
||||
r := chi.NewRouter()
|
||||
r.Use(NoCache)
|
||||
|
||||
r.Get("/", func(w http.ResponseWriter, r *http.Request) {
|
||||
http.Redirect(w, r, r.RequestURI+"/pprof/", 301)
|
||||
})
|
||||
r.HandleFunc("/pprof", func(w http.ResponseWriter, r *http.Request) {
|
||||
http.Redirect(w, r, r.RequestURI+"/", 301)
|
||||
})
|
||||
|
||||
r.HandleFunc("/pprof/*", pprof.Index)
|
||||
r.HandleFunc("/pprof/cmdline", pprof.Cmdline)
|
||||
r.HandleFunc("/pprof/profile", pprof.Profile)
|
||||
r.HandleFunc("/pprof/symbol", pprof.Symbol)
|
||||
r.HandleFunc("/pprof/trace", pprof.Trace)
|
||||
r.HandleFunc("/vars", expVars)
|
||||
|
||||
return r
|
||||
}
|
||||
|
||||
// Replicated from expvar.go as not public.
|
||||
func expVars(w http.ResponseWriter, r *http.Request) {
|
||||
first := true
|
||||
w.Header().Set("Content-Type", "application/json")
|
||||
fmt.Fprintf(w, "{\n")
|
||||
expvar.Do(func(kv expvar.KeyValue) {
|
||||
if !first {
|
||||
fmt.Fprintf(w, ",\n")
|
||||
}
|
||||
first = false
|
||||
fmt.Fprintf(w, "%q: %s", kv.Key, kv.Value)
|
||||
})
|
||||
fmt.Fprintf(w, "\n}\n")
|
||||
}
|
54
vendor/github.com/go-chi/chi/middleware/realip.go
generated
vendored
Normal file
54
vendor/github.com/go-chi/chi/middleware/realip.go
generated
vendored
Normal file
@ -0,0 +1,54 @@
|
||||
package middleware
|
||||
|
||||
// Ported from Goji's middleware, source:
|
||||
// https://github.com/zenazn/goji/tree/master/web/middleware
|
||||
|
||||
import (
|
||||
"net/http"
|
||||
"strings"
|
||||
)
|
||||
|
||||
var xForwardedFor = http.CanonicalHeaderKey("X-Forwarded-For")
|
||||
var xRealIP = http.CanonicalHeaderKey("X-Real-IP")
|
||||
|
||||
// RealIP is a middleware that sets a http.Request's RemoteAddr to the results
|
||||
// of parsing either the X-Forwarded-For header or the X-Real-IP header (in that
|
||||
// order).
|
||||
//
|
||||
// This middleware should be inserted fairly early in the middleware stack to
|
||||
// ensure that subsequent layers (e.g., request loggers) which examine the
|
||||
// RemoteAddr will see the intended value.
|
||||
//
|
||||
// You should only use this middleware if you can trust the headers passed to
|
||||
// you (in particular, the two headers this middleware uses), for example
|
||||
// because you have placed a reverse proxy like HAProxy or nginx in front of
|
||||
// chi. If your reverse proxies are configured to pass along arbitrary header
|
||||
// values from the client, or if you use this middleware without a reverse
|
||||
// proxy, malicious clients will be able to make you very sad (or, depending on
|
||||
// how you're using RemoteAddr, vulnerable to an attack of some sort).
|
||||
func RealIP(h http.Handler) http.Handler {
|
||||
fn := func(w http.ResponseWriter, r *http.Request) {
|
||||
if rip := realIP(r); rip != "" {
|
||||
r.RemoteAddr = rip
|
||||
}
|
||||
h.ServeHTTP(w, r)
|
||||
}
|
||||
|
||||
return http.HandlerFunc(fn)
|
||||
}
|
||||
|
||||
func realIP(r *http.Request) string {
|
||||
var ip string
|
||||
|
||||
if xrip := r.Header.Get(xRealIP); xrip != "" {
|
||||
ip = xrip
|
||||
} else if xff := r.Header.Get(xForwardedFor); xff != "" {
|
||||
i := strings.Index(xff, ", ")
|
||||
if i == -1 {
|
||||
i = len(xff)
|
||||
}
|
||||
ip = xff[:i]
|
||||
}
|
||||
|
||||
return ip
|
||||
}
|
192
vendor/github.com/go-chi/chi/middleware/recoverer.go
generated
vendored
Normal file
192
vendor/github.com/go-chi/chi/middleware/recoverer.go
generated
vendored
Normal file
@ -0,0 +1,192 @@
|
||||
package middleware
|
||||
|
||||
// The original work was derived from Goji's middleware, source:
|
||||
// https://github.com/zenazn/goji/tree/master/web/middleware
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"errors"
|
||||
"fmt"
|
||||
"net/http"
|
||||
"os"
|
||||
"runtime/debug"
|
||||
"strings"
|
||||
)
|
||||
|
||||
// Recoverer is a middleware that recovers from panics, logs the panic (and a
|
||||
// backtrace), and returns a HTTP 500 (Internal Server Error) status if
|
||||
// possible. Recoverer prints a request ID if one is provided.
|
||||
//
|
||||
// Alternatively, look at https://github.com/pressly/lg middleware pkgs.
|
||||
func Recoverer(next http.Handler) http.Handler {
|
||||
fn := func(w http.ResponseWriter, r *http.Request) {
|
||||
defer func() {
|
||||
if rvr := recover(); rvr != nil && rvr != http.ErrAbortHandler {
|
||||
|
||||
logEntry := GetLogEntry(r)
|
||||
if logEntry != nil {
|
||||
logEntry.Panic(rvr, debug.Stack())
|
||||
} else {
|
||||
PrintPrettyStack(rvr)
|
||||
}
|
||||
|
||||
w.WriteHeader(http.StatusInternalServerError)
|
||||
}
|
||||
}()
|
||||
|
||||
next.ServeHTTP(w, r)
|
||||
}
|
||||
|
||||
return http.HandlerFunc(fn)
|
||||
}
|
||||
|
||||
func PrintPrettyStack(rvr interface{}) {
|
||||
debugStack := debug.Stack()
|
||||
s := prettyStack{}
|
||||
out, err := s.parse(debugStack, rvr)
|
||||
if err == nil {
|
||||
os.Stderr.Write(out)
|
||||
} else {
|
||||
// print stdlib output as a fallback
|
||||
os.Stderr.Write(debugStack)
|
||||
}
|
||||
}
|
||||
|
||||
type prettyStack struct {
|
||||
}
|
||||
|
||||
func (s prettyStack) parse(debugStack []byte, rvr interface{}) ([]byte, error) {
|
||||
var err error
|
||||
useColor := true
|
||||
buf := &bytes.Buffer{}
|
||||
|
||||
cW(buf, false, bRed, "\n")
|
||||
cW(buf, useColor, bCyan, " panic: ")
|
||||
cW(buf, useColor, bBlue, "%v", rvr)
|
||||
cW(buf, false, bWhite, "\n \n")
|
||||
|
||||
// process debug stack info
|
||||
stack := strings.Split(string(debugStack), "\n")
|
||||
lines := []string{}
|
||||
|
||||
// locate panic line, as we may have nested panics
|
||||
for i := len(stack) - 1; i > 0; i-- {
|
||||
lines = append(lines, stack[i])
|
||||
if strings.HasPrefix(stack[i], "panic(0x") {
|
||||
lines = lines[0 : len(lines)-2] // remove boilerplate
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
// reverse
|
||||
for i := len(lines)/2 - 1; i >= 0; i-- {
|
||||
opp := len(lines) - 1 - i
|
||||
lines[i], lines[opp] = lines[opp], lines[i]
|
||||
}
|
||||
|
||||
// decorate
|
||||
for i, line := range lines {
|
||||
lines[i], err = s.decorateLine(line, useColor, i)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
}
|
||||
|
||||
for _, l := range lines {
|
||||
fmt.Fprintf(buf, "%s", l)
|
||||
}
|
||||
return buf.Bytes(), nil
|
||||
}
|
||||
|
||||
func (s prettyStack) decorateLine(line string, useColor bool, num int) (string, error) {
|
||||
line = strings.TrimSpace(line)
|
||||
if strings.HasPrefix(line, "\t") || strings.Contains(line, ".go:") {
|
||||
return s.decorateSourceLine(line, useColor, num)
|
||||
} else if strings.HasSuffix(line, ")") {
|
||||
return s.decorateFuncCallLine(line, useColor, num)
|
||||
} else {
|
||||
if strings.HasPrefix(line, "\t") {
|
||||
return strings.Replace(line, "\t", " ", 1), nil
|
||||
} else {
|
||||
return fmt.Sprintf(" %s\n", line), nil
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (s prettyStack) decorateFuncCallLine(line string, useColor bool, num int) (string, error) {
|
||||
idx := strings.LastIndex(line, "(")
|
||||
if idx < 0 {
|
||||
return "", errors.New("not a func call line")
|
||||
}
|
||||
|
||||
buf := &bytes.Buffer{}
|
||||
pkg := line[0:idx]
|
||||
// addr := line[idx:]
|
||||
method := ""
|
||||
|
||||
idx = strings.LastIndex(pkg, string(os.PathSeparator))
|
||||
if idx < 0 {
|
||||
idx = strings.Index(pkg, ".")
|
||||
method = pkg[idx:]
|
||||
pkg = pkg[0:idx]
|
||||
} else {
|
||||
method = pkg[idx+1:]
|
||||
pkg = pkg[0 : idx+1]
|
||||
idx = strings.Index(method, ".")
|
||||
pkg += method[0:idx]
|
||||
method = method[idx:]
|
||||
}
|
||||
pkgColor := nYellow
|
||||
methodColor := bGreen
|
||||
|
||||
if num == 0 {
|
||||
cW(buf, useColor, bRed, " -> ")
|
||||
pkgColor = bMagenta
|
||||
methodColor = bRed
|
||||
} else {
|
||||
cW(buf, useColor, bWhite, " ")
|
||||
}
|
||||
cW(buf, useColor, pkgColor, "%s", pkg)
|
||||
cW(buf, useColor, methodColor, "%s\n", method)
|
||||
// cW(buf, useColor, nBlack, "%s", addr)
|
||||
return buf.String(), nil
|
||||
}
|
||||
|
||||
func (s prettyStack) decorateSourceLine(line string, useColor bool, num int) (string, error) {
|
||||
idx := strings.LastIndex(line, ".go:")
|
||||
if idx < 0 {
|
||||
return "", errors.New("not a source line")
|
||||
}
|
||||
|
||||
buf := &bytes.Buffer{}
|
||||
path := line[0 : idx+3]
|
||||
lineno := line[idx+3:]
|
||||
|
||||
idx = strings.LastIndex(path, string(os.PathSeparator))
|
||||
dir := path[0 : idx+1]
|
||||
file := path[idx+1:]
|
||||
|
||||
idx = strings.Index(lineno, " ")
|
||||
if idx > 0 {
|
||||
lineno = lineno[0:idx]
|
||||
}
|
||||
fileColor := bCyan
|
||||
lineColor := bGreen
|
||||
|
||||
if num == 1 {
|
||||
cW(buf, useColor, bRed, " -> ")
|
||||
fileColor = bRed
|
||||
lineColor = bMagenta
|
||||
} else {
|
||||
cW(buf, false, bWhite, " ")
|
||||
}
|
||||
cW(buf, useColor, bWhite, "%s", dir)
|
||||
cW(buf, useColor, fileColor, "%s", file)
|
||||
cW(buf, useColor, lineColor, "%s", lineno)
|
||||
if num == 1 {
|
||||
cW(buf, false, bWhite, "\n")
|
||||
}
|
||||
cW(buf, false, bWhite, "\n")
|
||||
|
||||
return buf.String(), nil
|
||||
}
|
96
vendor/github.com/go-chi/chi/middleware/request_id.go
generated
vendored
Normal file
96
vendor/github.com/go-chi/chi/middleware/request_id.go
generated
vendored
Normal file
@ -0,0 +1,96 @@
|
||||
package middleware
|
||||
|
||||
// Ported from Goji's middleware, source:
|
||||
// https://github.com/zenazn/goji/tree/master/web/middleware
|
||||
|
||||
import (
|
||||
"context"
|
||||
"crypto/rand"
|
||||
"encoding/base64"
|
||||
"fmt"
|
||||
"net/http"
|
||||
"os"
|
||||
"strings"
|
||||
"sync/atomic"
|
||||
)
|
||||
|
||||
// Key to use when setting the request ID.
|
||||
type ctxKeyRequestID int
|
||||
|
||||
// RequestIDKey is the key that holds the unique request ID in a request context.
|
||||
const RequestIDKey ctxKeyRequestID = 0
|
||||
|
||||
// RequestIDHeader is the name of the HTTP Header which contains the request id.
|
||||
// Exported so that it can be changed by developers
|
||||
var RequestIDHeader = "X-Request-Id"
|
||||
|
||||
var prefix string
|
||||
var reqid uint64
|
||||
|
||||
// A quick note on the statistics here: we're trying to calculate the chance that
|
||||
// two randomly generated base62 prefixes will collide. We use the formula from
|
||||
// http://en.wikipedia.org/wiki/Birthday_problem
|
||||
//
|
||||
// P[m, n] \approx 1 - e^{-m^2/2n}
|
||||
//
|
||||
// We ballpark an upper bound for $m$ by imagining (for whatever reason) a server
|
||||
// that restarts every second over 10 years, for $m = 86400 * 365 * 10 = 315360000$
|
||||
//
|
||||
// For a $k$ character base-62 identifier, we have $n(k) = 62^k$
|
||||
//
|
||||
// Plugging this in, we find $P[m, n(10)] \approx 5.75%$, which is good enough for
|
||||
// our purposes, and is surely more than anyone would ever need in practice -- a
|
||||
// process that is rebooted a handful of times a day for a hundred years has less
|
||||
// than a millionth of a percent chance of generating two colliding IDs.
|
||||
|
||||
func init() {
|
||||
hostname, err := os.Hostname()
|
||||
if hostname == "" || err != nil {
|
||||
hostname = "localhost"
|
||||
}
|
||||
var buf [12]byte
|
||||
var b64 string
|
||||
for len(b64) < 10 {
|
||||
rand.Read(buf[:])
|
||||
b64 = base64.StdEncoding.EncodeToString(buf[:])
|
||||
b64 = strings.NewReplacer("+", "", "/", "").Replace(b64)
|
||||
}
|
||||
|
||||
prefix = fmt.Sprintf("%s/%s", hostname, b64[0:10])
|
||||
}
|
||||
|
||||
// RequestID is a middleware that injects a request ID into the context of each
|
||||
// request. A request ID is a string of the form "host.example.com/random-0001",
|
||||
// where "random" is a base62 random string that uniquely identifies this go
|
||||
// process, and where the last number is an atomically incremented request
|
||||
// counter.
|
||||
func RequestID(next http.Handler) http.Handler {
|
||||
fn := func(w http.ResponseWriter, r *http.Request) {
|
||||
ctx := r.Context()
|
||||
requestID := r.Header.Get(RequestIDHeader)
|
||||
if requestID == "" {
|
||||
myid := atomic.AddUint64(&reqid, 1)
|
||||
requestID = fmt.Sprintf("%s-%06d", prefix, myid)
|
||||
}
|
||||
ctx = context.WithValue(ctx, RequestIDKey, requestID)
|
||||
next.ServeHTTP(w, r.WithContext(ctx))
|
||||
}
|
||||
return http.HandlerFunc(fn)
|
||||
}
|
||||
|
||||
// GetReqID returns a request ID from the given context if one is present.
|
||||
// Returns the empty string if a request ID cannot be found.
|
||||
func GetReqID(ctx context.Context) string {
|
||||
if ctx == nil {
|
||||
return ""
|
||||
}
|
||||
if reqID, ok := ctx.Value(RequestIDKey).(string); ok {
|
||||
return reqID
|
||||
}
|
||||
return ""
|
||||
}
|
||||
|
||||
// NextRequestID generates the next request ID in the sequence.
|
||||
func NextRequestID() uint64 {
|
||||
return atomic.AddUint64(&reqid, 1)
|
||||
}
|
160
vendor/github.com/go-chi/chi/middleware/route_headers.go
generated
vendored
Normal file
160
vendor/github.com/go-chi/chi/middleware/route_headers.go
generated
vendored
Normal file
@ -0,0 +1,160 @@
|
||||
package middleware
|
||||
|
||||
import (
|
||||
"net/http"
|
||||
"strings"
|
||||
)
|
||||
|
||||
// RouteHeaders is a neat little header-based router that allows you to direct
|
||||
// the flow of a request through a middleware stack based on a request header.
|
||||
//
|
||||
// For example, lets say you'd like to setup multiple routers depending on the
|
||||
// request Host header, you could then do something as so:
|
||||
//
|
||||
// r := chi.NewRouter()
|
||||
// rSubdomain := chi.NewRouter()
|
||||
//
|
||||
// r.Use(middleware.RouteHeaders().
|
||||
// Route("Host", "example.com", middleware.New(r)).
|
||||
// Route("Host", "*.example.com", middleware.New(rSubdomain)).
|
||||
// Handler)
|
||||
//
|
||||
// r.Get("/", h)
|
||||
// rSubdomain.Get("/", h2)
|
||||
//
|
||||
//
|
||||
// Another example, imagine you want to setup multiple CORS handlers, where for
|
||||
// your origin servers you allow authorized requests, but for third-party public
|
||||
// requests, authorization is disabled.
|
||||
//
|
||||
// r := chi.NewRouter()
|
||||
//
|
||||
// r.Use(middleware.RouteHeaders().
|
||||
// Route("Origin", "https://app.skyweaver.net", cors.Handler(cors.Options{
|
||||
// AllowedOrigins: []string{"https://api.skyweaver.net"},
|
||||
// AllowedMethods: []string{"GET", "POST", "PUT", "DELETE", "OPTIONS"},
|
||||
// AllowedHeaders: []string{"Accept", "Authorization", "Content-Type"},
|
||||
// AllowCredentials: true, // <----------<<< allow credentials
|
||||
// })).
|
||||
// Route("Origin", "*", cors.Handler(cors.Options{
|
||||
// AllowedOrigins: []string{"*"},
|
||||
// AllowedMethods: []string{"GET", "POST", "PUT", "DELETE", "OPTIONS"},
|
||||
// AllowedHeaders: []string{"Accept", "Content-Type"},
|
||||
// AllowCredentials: false, // <----------<<< do not allow credentials
|
||||
// })).
|
||||
// Handler)
|
||||
//
|
||||
func RouteHeaders() HeaderRouter {
|
||||
return HeaderRouter{}
|
||||
}
|
||||
|
||||
type HeaderRouter map[string][]HeaderRoute
|
||||
|
||||
func (hr HeaderRouter) Route(header string, match string, middlewareHandler func(next http.Handler) http.Handler) HeaderRouter {
|
||||
header = strings.ToLower(header)
|
||||
k := hr[header]
|
||||
if k == nil {
|
||||
hr[header] = []HeaderRoute{}
|
||||
}
|
||||
hr[header] = append(hr[header], HeaderRoute{MatchOne: NewPattern(match), Middleware: middlewareHandler})
|
||||
return hr
|
||||
}
|
||||
|
||||
func (hr HeaderRouter) RouteAny(header string, match []string, middlewareHandler func(next http.Handler) http.Handler) HeaderRouter {
|
||||
header = strings.ToLower(header)
|
||||
k := hr[header]
|
||||
if k == nil {
|
||||
hr[header] = []HeaderRoute{}
|
||||
}
|
||||
patterns := []Pattern{}
|
||||
for _, m := range match {
|
||||
patterns = append(patterns, NewPattern(m))
|
||||
}
|
||||
hr[header] = append(hr[header], HeaderRoute{MatchAny: patterns, Middleware: middlewareHandler})
|
||||
return hr
|
||||
}
|
||||
|
||||
func (hr HeaderRouter) RouteDefault(handler func(next http.Handler) http.Handler) HeaderRouter {
|
||||
hr["*"] = []HeaderRoute{{Middleware: handler}}
|
||||
return hr
|
||||
}
|
||||
|
||||
func (hr HeaderRouter) Handler(next http.Handler) http.Handler {
|
||||
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
if len(hr) == 0 {
|
||||
// skip if no routes set
|
||||
next.ServeHTTP(w, r)
|
||||
}
|
||||
|
||||
// find first matching header route, and continue
|
||||
for header, matchers := range hr {
|
||||
headerValue := r.Header.Get(header)
|
||||
if headerValue == "" {
|
||||
continue
|
||||
}
|
||||
headerValue = strings.ToLower(headerValue)
|
||||
for _, matcher := range matchers {
|
||||
if matcher.IsMatch(headerValue) {
|
||||
matcher.Middleware(next).ServeHTTP(w, r)
|
||||
return
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// if no match, check for "*" default route
|
||||
matcher, ok := hr["*"]
|
||||
if !ok || matcher[0].Middleware == nil {
|
||||
next.ServeHTTP(w, r)
|
||||
return
|
||||
}
|
||||
matcher[0].Middleware(next).ServeHTTP(w, r)
|
||||
})
|
||||
}
|
||||
|
||||
type HeaderRoute struct {
|
||||
MatchAny []Pattern
|
||||
MatchOne Pattern
|
||||
Middleware func(next http.Handler) http.Handler
|
||||
}
|
||||
|
||||
func (r HeaderRoute) IsMatch(value string) bool {
|
||||
if len(r.MatchAny) > 0 {
|
||||
for _, m := range r.MatchAny {
|
||||
if m.Match(value) {
|
||||
return true
|
||||
}
|
||||
}
|
||||
} else if r.MatchOne.Match(value) {
|
||||
return true
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
type Pattern struct {
|
||||
prefix string
|
||||
suffix string
|
||||
wildcard bool
|
||||
}
|
||||
|
||||
func NewPattern(value string) Pattern {
|
||||
p := Pattern{}
|
||||
if i := strings.IndexByte(value, '*'); i >= 0 {
|
||||
p.wildcard = true
|
||||
p.prefix = value[0:i]
|
||||
p.suffix = value[i+1:]
|
||||
} else {
|
||||
p.prefix = value
|
||||
}
|
||||
return p
|
||||
}
|
||||
|
||||
func (p Pattern) Match(v string) bool {
|
||||
if !p.wildcard {
|
||||
if p.prefix == v {
|
||||
return true
|
||||
} else {
|
||||
return false
|
||||
}
|
||||
}
|
||||
return len(v) >= len(p.prefix+p.suffix) && strings.HasPrefix(v, p.prefix) && strings.HasSuffix(v, p.suffix)
|
||||
}
|
56
vendor/github.com/go-chi/chi/middleware/strip.go
generated
vendored
Normal file
56
vendor/github.com/go-chi/chi/middleware/strip.go
generated
vendored
Normal file
@ -0,0 +1,56 @@
|
||||
package middleware
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"net/http"
|
||||
|
||||
"github.com/go-chi/chi"
|
||||
)
|
||||
|
||||
// StripSlashes is a middleware that will match request paths with a trailing
|
||||
// slash, strip it from the path and continue routing through the mux, if a route
|
||||
// matches, then it will serve the handler.
|
||||
func StripSlashes(next http.Handler) http.Handler {
|
||||
fn := func(w http.ResponseWriter, r *http.Request) {
|
||||
var path string
|
||||
rctx := chi.RouteContext(r.Context())
|
||||
if rctx.RoutePath != "" {
|
||||
path = rctx.RoutePath
|
||||
} else {
|
||||
path = r.URL.Path
|
||||
}
|
||||
if len(path) > 1 && path[len(path)-1] == '/' {
|
||||
rctx.RoutePath = path[:len(path)-1]
|
||||
}
|
||||
next.ServeHTTP(w, r)
|
||||
}
|
||||
return http.HandlerFunc(fn)
|
||||
}
|
||||
|
||||
// RedirectSlashes is a middleware that will match request paths with a trailing
|
||||
// slash and redirect to the same path, less the trailing slash.
|
||||
//
|
||||
// NOTE: RedirectSlashes middleware is *incompatible* with http.FileServer,
|
||||
// see https://github.com/go-chi/chi/issues/343
|
||||
func RedirectSlashes(next http.Handler) http.Handler {
|
||||
fn := func(w http.ResponseWriter, r *http.Request) {
|
||||
var path string
|
||||
rctx := chi.RouteContext(r.Context())
|
||||
if rctx.RoutePath != "" {
|
||||
path = rctx.RoutePath
|
||||
} else {
|
||||
path = r.URL.Path
|
||||
}
|
||||
if len(path) > 1 && path[len(path)-1] == '/' {
|
||||
if r.URL.RawQuery != "" {
|
||||
path = fmt.Sprintf("%s?%s", path[:len(path)-1], r.URL.RawQuery)
|
||||
} else {
|
||||
path = path[:len(path)-1]
|
||||
}
|
||||
http.Redirect(w, r, path, 301)
|
||||
return
|
||||
}
|
||||
next.ServeHTTP(w, r)
|
||||
}
|
||||
return http.HandlerFunc(fn)
|
||||
}
|
63
vendor/github.com/go-chi/chi/middleware/terminal.go
generated
vendored
Normal file
63
vendor/github.com/go-chi/chi/middleware/terminal.go
generated
vendored
Normal file
@ -0,0 +1,63 @@
|
||||
package middleware
|
||||
|
||||
// Ported from Goji's middleware, source:
|
||||
// https://github.com/zenazn/goji/tree/master/web/middleware
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"io"
|
||||
"os"
|
||||
)
|
||||
|
||||
var (
|
||||
// Normal colors
|
||||
nBlack = []byte{'\033', '[', '3', '0', 'm'}
|
||||
nRed = []byte{'\033', '[', '3', '1', 'm'}
|
||||
nGreen = []byte{'\033', '[', '3', '2', 'm'}
|
||||
nYellow = []byte{'\033', '[', '3', '3', 'm'}
|
||||
nBlue = []byte{'\033', '[', '3', '4', 'm'}
|
||||
nMagenta = []byte{'\033', '[', '3', '5', 'm'}
|
||||
nCyan = []byte{'\033', '[', '3', '6', 'm'}
|
||||
nWhite = []byte{'\033', '[', '3', '7', 'm'}
|
||||
// Bright colors
|
||||
bBlack = []byte{'\033', '[', '3', '0', ';', '1', 'm'}
|
||||
bRed = []byte{'\033', '[', '3', '1', ';', '1', 'm'}
|
||||
bGreen = []byte{'\033', '[', '3', '2', ';', '1', 'm'}
|
||||
bYellow = []byte{'\033', '[', '3', '3', ';', '1', 'm'}
|
||||
bBlue = []byte{'\033', '[', '3', '4', ';', '1', 'm'}
|
||||
bMagenta = []byte{'\033', '[', '3', '5', ';', '1', 'm'}
|
||||
bCyan = []byte{'\033', '[', '3', '6', ';', '1', 'm'}
|
||||
bWhite = []byte{'\033', '[', '3', '7', ';', '1', 'm'}
|
||||
|
||||
reset = []byte{'\033', '[', '0', 'm'}
|
||||
)
|
||||
|
||||
var IsTTY bool
|
||||
|
||||
func init() {
|
||||
// This is sort of cheating: if stdout is a character device, we assume
|
||||
// that means it's a TTY. Unfortunately, there are many non-TTY
|
||||
// character devices, but fortunately stdout is rarely set to any of
|
||||
// them.
|
||||
//
|
||||
// We could solve this properly by pulling in a dependency on
|
||||
// code.google.com/p/go.crypto/ssh/terminal, for instance, but as a
|
||||
// heuristic for whether to print in color or in black-and-white, I'd
|
||||
// really rather not.
|
||||
fi, err := os.Stdout.Stat()
|
||||
if err == nil {
|
||||
m := os.ModeDevice | os.ModeCharDevice
|
||||
IsTTY = fi.Mode()&m == m
|
||||
}
|
||||
}
|
||||
|
||||
// colorWrite
|
||||
func cW(w io.Writer, useColor bool, color []byte, s string, args ...interface{}) {
|
||||
if IsTTY && useColor {
|
||||
w.Write(color)
|
||||
}
|
||||
fmt.Fprintf(w, s, args...)
|
||||
if IsTTY && useColor {
|
||||
w.Write(reset)
|
||||
}
|
||||
}
|
132
vendor/github.com/go-chi/chi/middleware/throttle.go
generated
vendored
Normal file
132
vendor/github.com/go-chi/chi/middleware/throttle.go
generated
vendored
Normal file
@ -0,0 +1,132 @@
|
||||
package middleware
|
||||
|
||||
import (
|
||||
"net/http"
|
||||
"strconv"
|
||||
"time"
|
||||
)
|
||||
|
||||
const (
|
||||
errCapacityExceeded = "Server capacity exceeded."
|
||||
errTimedOut = "Timed out while waiting for a pending request to complete."
|
||||
errContextCanceled = "Context was canceled."
|
||||
)
|
||||
|
||||
var (
|
||||
defaultBacklogTimeout = time.Second * 60
|
||||
)
|
||||
|
||||
// ThrottleOpts represents a set of throttling options.
|
||||
type ThrottleOpts struct {
|
||||
Limit int
|
||||
BacklogLimit int
|
||||
BacklogTimeout time.Duration
|
||||
RetryAfterFn func(ctxDone bool) time.Duration
|
||||
}
|
||||
|
||||
// Throttle is a middleware that limits number of currently processed requests
|
||||
// at a time across all users. Note: Throttle is not a rate-limiter per user,
|
||||
// instead it just puts a ceiling on the number of currentl in-flight requests
|
||||
// being processed from the point from where the Throttle middleware is mounted.
|
||||
func Throttle(limit int) func(http.Handler) http.Handler {
|
||||
return ThrottleWithOpts(ThrottleOpts{Limit: limit, BacklogTimeout: defaultBacklogTimeout})
|
||||
}
|
||||
|
||||
// ThrottleBacklog is a middleware that limits number of currently processed
|
||||
// requests at a time and provides a backlog for holding a finite number of
|
||||
// pending requests.
|
||||
func ThrottleBacklog(limit int, backlogLimit int, backlogTimeout time.Duration) func(http.Handler) http.Handler {
|
||||
return ThrottleWithOpts(ThrottleOpts{Limit: limit, BacklogLimit: backlogLimit, BacklogTimeout: backlogTimeout})
|
||||
}
|
||||
|
||||
// ThrottleWithOpts is a middleware that limits number of currently processed requests using passed ThrottleOpts.
|
||||
func ThrottleWithOpts(opts ThrottleOpts) func(http.Handler) http.Handler {
|
||||
if opts.Limit < 1 {
|
||||
panic("chi/middleware: Throttle expects limit > 0")
|
||||
}
|
||||
|
||||
if opts.BacklogLimit < 0 {
|
||||
panic("chi/middleware: Throttle expects backlogLimit to be positive")
|
||||
}
|
||||
|
||||
t := throttler{
|
||||
tokens: make(chan token, opts.Limit),
|
||||
backlogTokens: make(chan token, opts.Limit+opts.BacklogLimit),
|
||||
backlogTimeout: opts.BacklogTimeout,
|
||||
retryAfterFn: opts.RetryAfterFn,
|
||||
}
|
||||
|
||||
// Filling tokens.
|
||||
for i := 0; i < opts.Limit+opts.BacklogLimit; i++ {
|
||||
if i < opts.Limit {
|
||||
t.tokens <- token{}
|
||||
}
|
||||
t.backlogTokens <- token{}
|
||||
}
|
||||
|
||||
return func(next http.Handler) http.Handler {
|
||||
fn := func(w http.ResponseWriter, r *http.Request) {
|
||||
ctx := r.Context()
|
||||
|
||||
select {
|
||||
|
||||
case <-ctx.Done():
|
||||
t.setRetryAfterHeaderIfNeeded(w, true)
|
||||
http.Error(w, errContextCanceled, http.StatusTooManyRequests)
|
||||
return
|
||||
|
||||
case btok := <-t.backlogTokens:
|
||||
timer := time.NewTimer(t.backlogTimeout)
|
||||
|
||||
defer func() {
|
||||
t.backlogTokens <- btok
|
||||
}()
|
||||
|
||||
select {
|
||||
case <-timer.C:
|
||||
t.setRetryAfterHeaderIfNeeded(w, false)
|
||||
http.Error(w, errTimedOut, http.StatusTooManyRequests)
|
||||
return
|
||||
case <-ctx.Done():
|
||||
timer.Stop()
|
||||
t.setRetryAfterHeaderIfNeeded(w, true)
|
||||
http.Error(w, errContextCanceled, http.StatusTooManyRequests)
|
||||
return
|
||||
case tok := <-t.tokens:
|
||||
defer func() {
|
||||
timer.Stop()
|
||||
t.tokens <- tok
|
||||
}()
|
||||
next.ServeHTTP(w, r)
|
||||
}
|
||||
return
|
||||
|
||||
default:
|
||||
t.setRetryAfterHeaderIfNeeded(w, false)
|
||||
http.Error(w, errCapacityExceeded, http.StatusTooManyRequests)
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
return http.HandlerFunc(fn)
|
||||
}
|
||||
}
|
||||
|
||||
// token represents a request that is being processed.
|
||||
type token struct{}
|
||||
|
||||
// throttler limits number of currently processed requests at a time.
|
||||
type throttler struct {
|
||||
tokens chan token
|
||||
backlogTokens chan token
|
||||
backlogTimeout time.Duration
|
||||
retryAfterFn func(ctxDone bool) time.Duration
|
||||
}
|
||||
|
||||
// setRetryAfterHeaderIfNeeded sets Retry-After HTTP header if corresponding retryAfterFn option of throttler is initialized.
|
||||
func (t throttler) setRetryAfterHeaderIfNeeded(w http.ResponseWriter, ctxDone bool) {
|
||||
if t.retryAfterFn == nil {
|
||||
return
|
||||
}
|
||||
w.Header().Set("Retry-After", strconv.Itoa(int(t.retryAfterFn(ctxDone).Seconds())))
|
||||
}
|
49
vendor/github.com/go-chi/chi/middleware/timeout.go
generated
vendored
Normal file
49
vendor/github.com/go-chi/chi/middleware/timeout.go
generated
vendored
Normal file
@ -0,0 +1,49 @@
|
||||
package middleware
|
||||
|
||||
import (
|
||||
"context"
|
||||
"net/http"
|
||||
"time"
|
||||
)
|
||||
|
||||
// Timeout is a middleware that cancels ctx after a given timeout and return
|
||||
// a 504 Gateway Timeout error to the client.
|
||||
//
|
||||
// It's required that you select the ctx.Done() channel to check for the signal
|
||||
// if the context has reached its deadline and return, otherwise the timeout
|
||||
// signal will be just ignored.
|
||||
//
|
||||
// ie. a route/handler may look like:
|
||||
//
|
||||
// r.Get("/long", func(w http.ResponseWriter, r *http.Request) {
|
||||
// ctx := r.Context()
|
||||
// processTime := time.Duration(rand.Intn(4)+1) * time.Second
|
||||
//
|
||||
// select {
|
||||
// case <-ctx.Done():
|
||||
// return
|
||||
//
|
||||
// case <-time.After(processTime):
|
||||
// // The above channel simulates some hard work.
|
||||
// }
|
||||
//
|
||||
// w.Write([]byte("done"))
|
||||
// })
|
||||
//
|
||||
func Timeout(timeout time.Duration) func(next http.Handler) http.Handler {
|
||||
return func(next http.Handler) http.Handler {
|
||||
fn := func(w http.ResponseWriter, r *http.Request) {
|
||||
ctx, cancel := context.WithTimeout(r.Context(), timeout)
|
||||
defer func() {
|
||||
cancel()
|
||||
if ctx.Err() == context.DeadlineExceeded {
|
||||
w.WriteHeader(http.StatusGatewayTimeout)
|
||||
}
|
||||
}()
|
||||
|
||||
r = r.WithContext(ctx)
|
||||
next.ServeHTTP(w, r)
|
||||
}
|
||||
return http.HandlerFunc(fn)
|
||||
}
|
||||
}
|
72
vendor/github.com/go-chi/chi/middleware/url_format.go
generated
vendored
Normal file
72
vendor/github.com/go-chi/chi/middleware/url_format.go
generated
vendored
Normal file
@ -0,0 +1,72 @@
|
||||
package middleware
|
||||
|
||||
import (
|
||||
"context"
|
||||
"net/http"
|
||||
"strings"
|
||||
|
||||
"github.com/go-chi/chi"
|
||||
)
|
||||
|
||||
var (
|
||||
// URLFormatCtxKey is the context.Context key to store the URL format data
|
||||
// for a request.
|
||||
URLFormatCtxKey = &contextKey{"URLFormat"}
|
||||
)
|
||||
|
||||
// URLFormat is a middleware that parses the url extension from a request path and stores it
|
||||
// on the context as a string under the key `middleware.URLFormatCtxKey`. The middleware will
|
||||
// trim the suffix from the routing path and continue routing.
|
||||
//
|
||||
// Routers should not include a url parameter for the suffix when using this middleware.
|
||||
//
|
||||
// Sample usage.. for url paths: `/articles/1`, `/articles/1.json` and `/articles/1.xml`
|
||||
//
|
||||
// func routes() http.Handler {
|
||||
// r := chi.NewRouter()
|
||||
// r.Use(middleware.URLFormat)
|
||||
//
|
||||
// r.Get("/articles/{id}", ListArticles)
|
||||
//
|
||||
// return r
|
||||
// }
|
||||
//
|
||||
// func ListArticles(w http.ResponseWriter, r *http.Request) {
|
||||
// urlFormat, _ := r.Context().Value(middleware.URLFormatCtxKey).(string)
|
||||
//
|
||||
// switch urlFormat {
|
||||
// case "json":
|
||||
// render.JSON(w, r, articles)
|
||||
// case "xml:"
|
||||
// render.XML(w, r, articles)
|
||||
// default:
|
||||
// render.JSON(w, r, articles)
|
||||
// }
|
||||
// }
|
||||
//
|
||||
func URLFormat(next http.Handler) http.Handler {
|
||||
fn := func(w http.ResponseWriter, r *http.Request) {
|
||||
ctx := r.Context()
|
||||
|
||||
var format string
|
||||
path := r.URL.Path
|
||||
|
||||
if strings.Index(path, ".") > 0 {
|
||||
base := strings.LastIndex(path, "/")
|
||||
idx := strings.Index(path[base:], ".")
|
||||
|
||||
if idx > 0 {
|
||||
idx += base
|
||||
format = path[idx+1:]
|
||||
|
||||
rctx := chi.RouteContext(r.Context())
|
||||
rctx.RoutePath = path[:idx]
|
||||
}
|
||||
}
|
||||
|
||||
r = r.WithContext(context.WithValue(ctx, URLFormatCtxKey, format))
|
||||
|
||||
next.ServeHTTP(w, r)
|
||||
}
|
||||
return http.HandlerFunc(fn)
|
||||
}
|
17
vendor/github.com/go-chi/chi/middleware/value.go
generated
vendored
Normal file
17
vendor/github.com/go-chi/chi/middleware/value.go
generated
vendored
Normal file
@ -0,0 +1,17 @@
|
||||
package middleware
|
||||
|
||||
import (
|
||||
"context"
|
||||
"net/http"
|
||||
)
|
||||
|
||||
// WithValue is a middleware that sets a given key/value in a context chain.
|
||||
func WithValue(key interface{}, val interface{}) func(next http.Handler) http.Handler {
|
||||
return func(next http.Handler) http.Handler {
|
||||
fn := func(w http.ResponseWriter, r *http.Request) {
|
||||
r = r.WithContext(context.WithValue(r.Context(), key, val))
|
||||
next.ServeHTTP(w, r)
|
||||
}
|
||||
return http.HandlerFunc(fn)
|
||||
}
|
||||
}
|
180
vendor/github.com/go-chi/chi/middleware/wrap_writer.go
generated
vendored
Normal file
180
vendor/github.com/go-chi/chi/middleware/wrap_writer.go
generated
vendored
Normal file
@ -0,0 +1,180 @@
|
||||
package middleware
|
||||
|
||||
// The original work was derived from Goji's middleware, source:
|
||||
// https://github.com/zenazn/goji/tree/master/web/middleware
|
||||
|
||||
import (
|
||||
"bufio"
|
||||
"io"
|
||||
"net"
|
||||
"net/http"
|
||||
)
|
||||
|
||||
// NewWrapResponseWriter wraps an http.ResponseWriter, returning a proxy that allows you to
|
||||
// hook into various parts of the response process.
|
||||
func NewWrapResponseWriter(w http.ResponseWriter, protoMajor int) WrapResponseWriter {
|
||||
_, fl := w.(http.Flusher)
|
||||
|
||||
bw := basicWriter{ResponseWriter: w}
|
||||
|
||||
if protoMajor == 2 {
|
||||
_, ps := w.(http.Pusher)
|
||||
if fl && ps {
|
||||
return &http2FancyWriter{bw}
|
||||
}
|
||||
} else {
|
||||
_, hj := w.(http.Hijacker)
|
||||
_, rf := w.(io.ReaderFrom)
|
||||
if fl && hj && rf {
|
||||
return &httpFancyWriter{bw}
|
||||
}
|
||||
}
|
||||
if fl {
|
||||
return &flushWriter{bw}
|
||||
}
|
||||
|
||||
return &bw
|
||||
}
|
||||
|
||||
// WrapResponseWriter is a proxy around an http.ResponseWriter that allows you to hook
|
||||
// into various parts of the response process.
|
||||
type WrapResponseWriter interface {
|
||||
http.ResponseWriter
|
||||
// Status returns the HTTP status of the request, or 0 if one has not
|
||||
// yet been sent.
|
||||
Status() int
|
||||
// BytesWritten returns the total number of bytes sent to the client.
|
||||
BytesWritten() int
|
||||
// Tee causes the response body to be written to the given io.Writer in
|
||||
// addition to proxying the writes through. Only one io.Writer can be
|
||||
// tee'd to at once: setting a second one will overwrite the first.
|
||||
// Writes will be sent to the proxy before being written to this
|
||||
// io.Writer. It is illegal for the tee'd writer to be modified
|
||||
// concurrently with writes.
|
||||
Tee(io.Writer)
|
||||
// Unwrap returns the original proxied target.
|
||||
Unwrap() http.ResponseWriter
|
||||
}
|
||||
|
||||
// basicWriter wraps a http.ResponseWriter that implements the minimal
|
||||
// http.ResponseWriter interface.
|
||||
type basicWriter struct {
|
||||
http.ResponseWriter
|
||||
wroteHeader bool
|
||||
code int
|
||||
bytes int
|
||||
tee io.Writer
|
||||
}
|
||||
|
||||
func (b *basicWriter) WriteHeader(code int) {
|
||||
if !b.wroteHeader {
|
||||
b.code = code
|
||||
b.wroteHeader = true
|
||||
b.ResponseWriter.WriteHeader(code)
|
||||
}
|
||||
}
|
||||
|
||||
func (b *basicWriter) Write(buf []byte) (int, error) {
|
||||
b.maybeWriteHeader()
|
||||
n, err := b.ResponseWriter.Write(buf)
|
||||
if b.tee != nil {
|
||||
_, err2 := b.tee.Write(buf[:n])
|
||||
// Prefer errors generated by the proxied writer.
|
||||
if err == nil {
|
||||
err = err2
|
||||
}
|
||||
}
|
||||
b.bytes += n
|
||||
return n, err
|
||||
}
|
||||
|
||||
func (b *basicWriter) maybeWriteHeader() {
|
||||
if !b.wroteHeader {
|
||||
b.WriteHeader(http.StatusOK)
|
||||
}
|
||||
}
|
||||
|
||||
func (b *basicWriter) Status() int {
|
||||
return b.code
|
||||
}
|
||||
|
||||
func (b *basicWriter) BytesWritten() int {
|
||||
return b.bytes
|
||||
}
|
||||
|
||||
func (b *basicWriter) Tee(w io.Writer) {
|
||||
b.tee = w
|
||||
}
|
||||
|
||||
func (b *basicWriter) Unwrap() http.ResponseWriter {
|
||||
return b.ResponseWriter
|
||||
}
|
||||
|
||||
type flushWriter struct {
|
||||
basicWriter
|
||||
}
|
||||
|
||||
func (f *flushWriter) Flush() {
|
||||
f.wroteHeader = true
|
||||
fl := f.basicWriter.ResponseWriter.(http.Flusher)
|
||||
fl.Flush()
|
||||
}
|
||||
|
||||
var _ http.Flusher = &flushWriter{}
|
||||
|
||||
// httpFancyWriter is a HTTP writer that additionally satisfies
|
||||
// http.Flusher, http.Hijacker, and io.ReaderFrom. It exists for the common case
|
||||
// of wrapping the http.ResponseWriter that package http gives you, in order to
|
||||
// make the proxied object support the full method set of the proxied object.
|
||||
type httpFancyWriter struct {
|
||||
basicWriter
|
||||
}
|
||||
|
||||
func (f *httpFancyWriter) Flush() {
|
||||
f.wroteHeader = true
|
||||
fl := f.basicWriter.ResponseWriter.(http.Flusher)
|
||||
fl.Flush()
|
||||
}
|
||||
|
||||
func (f *httpFancyWriter) Hijack() (net.Conn, *bufio.ReadWriter, error) {
|
||||
hj := f.basicWriter.ResponseWriter.(http.Hijacker)
|
||||
return hj.Hijack()
|
||||
}
|
||||
|
||||
func (f *http2FancyWriter) Push(target string, opts *http.PushOptions) error {
|
||||
return f.basicWriter.ResponseWriter.(http.Pusher).Push(target, opts)
|
||||
}
|
||||
|
||||
func (f *httpFancyWriter) ReadFrom(r io.Reader) (int64, error) {
|
||||
if f.basicWriter.tee != nil {
|
||||
n, err := io.Copy(&f.basicWriter, r)
|
||||
f.basicWriter.bytes += int(n)
|
||||
return n, err
|
||||
}
|
||||
rf := f.basicWriter.ResponseWriter.(io.ReaderFrom)
|
||||
f.basicWriter.maybeWriteHeader()
|
||||
n, err := rf.ReadFrom(r)
|
||||
f.basicWriter.bytes += int(n)
|
||||
return n, err
|
||||
}
|
||||
|
||||
var _ http.Flusher = &httpFancyWriter{}
|
||||
var _ http.Hijacker = &httpFancyWriter{}
|
||||
var _ http.Pusher = &http2FancyWriter{}
|
||||
var _ io.ReaderFrom = &httpFancyWriter{}
|
||||
|
||||
// http2FancyWriter is a HTTP2 writer that additionally satisfies
|
||||
// http.Flusher, and io.ReaderFrom. It exists for the common case
|
||||
// of wrapping the http.ResponseWriter that package http gives you, in order to
|
||||
// make the proxied object support the full method set of the proxied object.
|
||||
type http2FancyWriter struct {
|
||||
basicWriter
|
||||
}
|
||||
|
||||
func (f *http2FancyWriter) Flush() {
|
||||
f.wroteHeader = true
|
||||
fl := f.basicWriter.ResponseWriter.(http.Flusher)
|
||||
fl.Flush()
|
||||
}
|
||||
|
||||
var _ http.Flusher = &http2FancyWriter{}
|
466
vendor/github.com/go-chi/chi/mux.go
generated
vendored
Normal file
466
vendor/github.com/go-chi/chi/mux.go
generated
vendored
Normal file
@ -0,0 +1,466 @@
|
||||
package chi
|
||||
|
||||
import (
|
||||
"context"
|
||||
"fmt"
|
||||
"net/http"
|
||||
"strings"
|
||||
"sync"
|
||||
)
|
||||
|
||||
var _ Router = &Mux{}
|
||||
|
||||
// Mux is a simple HTTP route multiplexer that parses a request path,
|
||||
// records any URL params, and executes an end handler. It implements
|
||||
// the http.Handler interface and is friendly with the standard library.
|
||||
//
|
||||
// Mux is designed to be fast, minimal and offer a powerful API for building
|
||||
// modular and composable HTTP services with a large set of handlers. It's
|
||||
// particularly useful for writing large REST API services that break a handler
|
||||
// into many smaller parts composed of middlewares and end handlers.
|
||||
type Mux struct {
|
||||
// The radix trie router
|
||||
tree *node
|
||||
|
||||
// The middleware stack
|
||||
middlewares []func(http.Handler) http.Handler
|
||||
|
||||
// Controls the behaviour of middleware chain generation when a mux
|
||||
// is registered as an inline group inside another mux.
|
||||
inline bool
|
||||
parent *Mux
|
||||
|
||||
// The computed mux handler made of the chained middleware stack and
|
||||
// the tree router
|
||||
handler http.Handler
|
||||
|
||||
// Routing context pool
|
||||
pool *sync.Pool
|
||||
|
||||
// Custom route not found handler
|
||||
notFoundHandler http.HandlerFunc
|
||||
|
||||
// Custom method not allowed handler
|
||||
methodNotAllowedHandler http.HandlerFunc
|
||||
}
|
||||
|
||||
// NewMux returns a newly initialized Mux object that implements the Router
|
||||
// interface.
|
||||
func NewMux() *Mux {
|
||||
mux := &Mux{tree: &node{}, pool: &sync.Pool{}}
|
||||
mux.pool.New = func() interface{} {
|
||||
return NewRouteContext()
|
||||
}
|
||||
return mux
|
||||
}
|
||||
|
||||
// ServeHTTP is the single method of the http.Handler interface that makes
|
||||
// Mux interoperable with the standard library. It uses a sync.Pool to get and
|
||||
// reuse routing contexts for each request.
|
||||
func (mx *Mux) ServeHTTP(w http.ResponseWriter, r *http.Request) {
|
||||
// Ensure the mux has some routes defined on the mux
|
||||
if mx.handler == nil {
|
||||
mx.NotFoundHandler().ServeHTTP(w, r)
|
||||
return
|
||||
}
|
||||
|
||||
// Check if a routing context already exists from a parent router.
|
||||
rctx, _ := r.Context().Value(RouteCtxKey).(*Context)
|
||||
if rctx != nil {
|
||||
mx.handler.ServeHTTP(w, r)
|
||||
return
|
||||
}
|
||||
|
||||
// Fetch a RouteContext object from the sync pool, and call the computed
|
||||
// mx.handler that is comprised of mx.middlewares + mx.routeHTTP.
|
||||
// Once the request is finished, reset the routing context and put it back
|
||||
// into the pool for reuse from another request.
|
||||
rctx = mx.pool.Get().(*Context)
|
||||
rctx.Reset()
|
||||
rctx.Routes = mx
|
||||
|
||||
// NOTE: r.WithContext() causes 2 allocations and context.WithValue() causes 1 allocation
|
||||
r = r.WithContext(context.WithValue(r.Context(), RouteCtxKey, rctx))
|
||||
|
||||
// Serve the request and once its done, put the request context back in the sync pool
|
||||
mx.handler.ServeHTTP(w, r)
|
||||
mx.pool.Put(rctx)
|
||||
}
|
||||
|
||||
// Use appends a middleware handler to the Mux middleware stack.
|
||||
//
|
||||
// The middleware stack for any Mux will execute before searching for a matching
|
||||
// route to a specific handler, which provides opportunity to respond early,
|
||||
// change the course of the request execution, or set request-scoped values for
|
||||
// the next http.Handler.
|
||||
func (mx *Mux) Use(middlewares ...func(http.Handler) http.Handler) {
|
||||
if mx.handler != nil {
|
||||
panic("chi: all middlewares must be defined before routes on a mux")
|
||||
}
|
||||
mx.middlewares = append(mx.middlewares, middlewares...)
|
||||
}
|
||||
|
||||
// Handle adds the route `pattern` that matches any http method to
|
||||
// execute the `handler` http.Handler.
|
||||
func (mx *Mux) Handle(pattern string, handler http.Handler) {
|
||||
mx.handle(mALL, pattern, handler)
|
||||
}
|
||||
|
||||
// HandleFunc adds the route `pattern` that matches any http method to
|
||||
// execute the `handlerFn` http.HandlerFunc.
|
||||
func (mx *Mux) HandleFunc(pattern string, handlerFn http.HandlerFunc) {
|
||||
mx.handle(mALL, pattern, handlerFn)
|
||||
}
|
||||
|
||||
// Method adds the route `pattern` that matches `method` http method to
|
||||
// execute the `handler` http.Handler.
|
||||
func (mx *Mux) Method(method, pattern string, handler http.Handler) {
|
||||
m, ok := methodMap[strings.ToUpper(method)]
|
||||
if !ok {
|
||||
panic(fmt.Sprintf("chi: '%s' http method is not supported.", method))
|
||||
}
|
||||
mx.handle(m, pattern, handler)
|
||||
}
|
||||
|
||||
// MethodFunc adds the route `pattern` that matches `method` http method to
|
||||
// execute the `handlerFn` http.HandlerFunc.
|
||||
func (mx *Mux) MethodFunc(method, pattern string, handlerFn http.HandlerFunc) {
|
||||
mx.Method(method, pattern, handlerFn)
|
||||
}
|
||||
|
||||
// Connect adds the route `pattern` that matches a CONNECT http method to
|
||||
// execute the `handlerFn` http.HandlerFunc.
|
||||
func (mx *Mux) Connect(pattern string, handlerFn http.HandlerFunc) {
|
||||
mx.handle(mCONNECT, pattern, handlerFn)
|
||||
}
|
||||
|
||||
// Delete adds the route `pattern` that matches a DELETE http method to
|
||||
// execute the `handlerFn` http.HandlerFunc.
|
||||
func (mx *Mux) Delete(pattern string, handlerFn http.HandlerFunc) {
|
||||
mx.handle(mDELETE, pattern, handlerFn)
|
||||
}
|
||||
|
||||
// Get adds the route `pattern` that matches a GET http method to
|
||||
// execute the `handlerFn` http.HandlerFunc.
|
||||
func (mx *Mux) Get(pattern string, handlerFn http.HandlerFunc) {
|
||||
mx.handle(mGET, pattern, handlerFn)
|
||||
}
|
||||
|
||||
// Head adds the route `pattern` that matches a HEAD http method to
|
||||
// execute the `handlerFn` http.HandlerFunc.
|
||||
func (mx *Mux) Head(pattern string, handlerFn http.HandlerFunc) {
|
||||
mx.handle(mHEAD, pattern, handlerFn)
|
||||
}
|
||||
|
||||
// Options adds the route `pattern` that matches a OPTIONS http method to
|
||||
// execute the `handlerFn` http.HandlerFunc.
|
||||
func (mx *Mux) Options(pattern string, handlerFn http.HandlerFunc) {
|
||||
mx.handle(mOPTIONS, pattern, handlerFn)
|
||||
}
|
||||
|
||||
// Patch adds the route `pattern` that matches a PATCH http method to
|
||||
// execute the `handlerFn` http.HandlerFunc.
|
||||
func (mx *Mux) Patch(pattern string, handlerFn http.HandlerFunc) {
|
||||
mx.handle(mPATCH, pattern, handlerFn)
|
||||
}
|
||||
|
||||
// Post adds the route `pattern` that matches a POST http method to
|
||||
// execute the `handlerFn` http.HandlerFunc.
|
||||
func (mx *Mux) Post(pattern string, handlerFn http.HandlerFunc) {
|
||||
mx.handle(mPOST, pattern, handlerFn)
|
||||
}
|
||||
|
||||
// Put adds the route `pattern` that matches a PUT http method to
|
||||
// execute the `handlerFn` http.HandlerFunc.
|
||||
func (mx *Mux) Put(pattern string, handlerFn http.HandlerFunc) {
|
||||
mx.handle(mPUT, pattern, handlerFn)
|
||||
}
|
||||
|
||||
// Trace adds the route `pattern` that matches a TRACE http method to
|
||||
// execute the `handlerFn` http.HandlerFunc.
|
||||
func (mx *Mux) Trace(pattern string, handlerFn http.HandlerFunc) {
|
||||
mx.handle(mTRACE, pattern, handlerFn)
|
||||
}
|
||||
|
||||
// NotFound sets a custom http.HandlerFunc for routing paths that could
|
||||
// not be found. The default 404 handler is `http.NotFound`.
|
||||
func (mx *Mux) NotFound(handlerFn http.HandlerFunc) {
|
||||
// Build NotFound handler chain
|
||||
m := mx
|
||||
hFn := handlerFn
|
||||
if mx.inline && mx.parent != nil {
|
||||
m = mx.parent
|
||||
hFn = Chain(mx.middlewares...).HandlerFunc(hFn).ServeHTTP
|
||||
}
|
||||
|
||||
// Update the notFoundHandler from this point forward
|
||||
m.notFoundHandler = hFn
|
||||
m.updateSubRoutes(func(subMux *Mux) {
|
||||
if subMux.notFoundHandler == nil {
|
||||
subMux.NotFound(hFn)
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
// MethodNotAllowed sets a custom http.HandlerFunc for routing paths where the
|
||||
// method is unresolved. The default handler returns a 405 with an empty body.
|
||||
func (mx *Mux) MethodNotAllowed(handlerFn http.HandlerFunc) {
|
||||
// Build MethodNotAllowed handler chain
|
||||
m := mx
|
||||
hFn := handlerFn
|
||||
if mx.inline && mx.parent != nil {
|
||||
m = mx.parent
|
||||
hFn = Chain(mx.middlewares...).HandlerFunc(hFn).ServeHTTP
|
||||
}
|
||||
|
||||
// Update the methodNotAllowedHandler from this point forward
|
||||
m.methodNotAllowedHandler = hFn
|
||||
m.updateSubRoutes(func(subMux *Mux) {
|
||||
if subMux.methodNotAllowedHandler == nil {
|
||||
subMux.MethodNotAllowed(hFn)
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
// With adds inline middlewares for an endpoint handler.
|
||||
func (mx *Mux) With(middlewares ...func(http.Handler) http.Handler) Router {
|
||||
// Similarly as in handle(), we must build the mux handler once additional
|
||||
// middleware registration isn't allowed for this stack, like now.
|
||||
if !mx.inline && mx.handler == nil {
|
||||
mx.buildRouteHandler()
|
||||
}
|
||||
|
||||
// Copy middlewares from parent inline muxs
|
||||
var mws Middlewares
|
||||
if mx.inline {
|
||||
mws = make(Middlewares, len(mx.middlewares))
|
||||
copy(mws, mx.middlewares)
|
||||
}
|
||||
mws = append(mws, middlewares...)
|
||||
|
||||
im := &Mux{
|
||||
pool: mx.pool, inline: true, parent: mx, tree: mx.tree, middlewares: mws,
|
||||
notFoundHandler: mx.notFoundHandler, methodNotAllowedHandler: mx.methodNotAllowedHandler,
|
||||
}
|
||||
|
||||
return im
|
||||
}
|
||||
|
||||
// Group creates a new inline-Mux with a fresh middleware stack. It's useful
|
||||
// for a group of handlers along the same routing path that use an additional
|
||||
// set of middlewares. See _examples/.
|
||||
func (mx *Mux) Group(fn func(r Router)) Router {
|
||||
im := mx.With().(*Mux)
|
||||
if fn != nil {
|
||||
fn(im)
|
||||
}
|
||||
return im
|
||||
}
|
||||
|
||||
// Route creates a new Mux with a fresh middleware stack and mounts it
|
||||
// along the `pattern` as a subrouter. Effectively, this is a short-hand
|
||||
// call to Mount. See _examples/.
|
||||
func (mx *Mux) Route(pattern string, fn func(r Router)) Router {
|
||||
subRouter := NewRouter()
|
||||
if fn != nil {
|
||||
fn(subRouter)
|
||||
}
|
||||
mx.Mount(pattern, subRouter)
|
||||
return subRouter
|
||||
}
|
||||
|
||||
// Mount attaches another http.Handler or chi Router as a subrouter along a routing
|
||||
// path. It's very useful to split up a large API as many independent routers and
|
||||
// compose them as a single service using Mount. See _examples/.
|
||||
//
|
||||
// Note that Mount() simply sets a wildcard along the `pattern` that will continue
|
||||
// routing at the `handler`, which in most cases is another chi.Router. As a result,
|
||||
// if you define two Mount() routes on the exact same pattern the mount will panic.
|
||||
func (mx *Mux) Mount(pattern string, handler http.Handler) {
|
||||
// Provide runtime safety for ensuring a pattern isn't mounted on an existing
|
||||
// routing pattern.
|
||||
if mx.tree.findPattern(pattern+"*") || mx.tree.findPattern(pattern+"/*") {
|
||||
panic(fmt.Sprintf("chi: attempting to Mount() a handler on an existing path, '%s'", pattern))
|
||||
}
|
||||
|
||||
// Assign sub-Router's with the parent not found & method not allowed handler if not specified.
|
||||
subr, ok := handler.(*Mux)
|
||||
if ok && subr.notFoundHandler == nil && mx.notFoundHandler != nil {
|
||||
subr.NotFound(mx.notFoundHandler)
|
||||
}
|
||||
if ok && subr.methodNotAllowedHandler == nil && mx.methodNotAllowedHandler != nil {
|
||||
subr.MethodNotAllowed(mx.methodNotAllowedHandler)
|
||||
}
|
||||
|
||||
mountHandler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
rctx := RouteContext(r.Context())
|
||||
rctx.RoutePath = mx.nextRoutePath(rctx)
|
||||
handler.ServeHTTP(w, r)
|
||||
})
|
||||
|
||||
if pattern == "" || pattern[len(pattern)-1] != '/' {
|
||||
mx.handle(mALL|mSTUB, pattern, mountHandler)
|
||||
mx.handle(mALL|mSTUB, pattern+"/", mountHandler)
|
||||
pattern += "/"
|
||||
}
|
||||
|
||||
method := mALL
|
||||
subroutes, _ := handler.(Routes)
|
||||
if subroutes != nil {
|
||||
method |= mSTUB
|
||||
}
|
||||
n := mx.handle(method, pattern+"*", mountHandler)
|
||||
|
||||
if subroutes != nil {
|
||||
n.subroutes = subroutes
|
||||
}
|
||||
}
|
||||
|
||||
// Routes returns a slice of routing information from the tree,
|
||||
// useful for traversing available routes of a router.
|
||||
func (mx *Mux) Routes() []Route {
|
||||
return mx.tree.routes()
|
||||
}
|
||||
|
||||
// Middlewares returns a slice of middleware handler functions.
|
||||
func (mx *Mux) Middlewares() Middlewares {
|
||||
return mx.middlewares
|
||||
}
|
||||
|
||||
// Match searches the routing tree for a handler that matches the method/path.
|
||||
// It's similar to routing a http request, but without executing the handler
|
||||
// thereafter.
|
||||
//
|
||||
// Note: the *Context state is updated during execution, so manage
|
||||
// the state carefully or make a NewRouteContext().
|
||||
func (mx *Mux) Match(rctx *Context, method, path string) bool {
|
||||
m, ok := methodMap[method]
|
||||
if !ok {
|
||||
return false
|
||||
}
|
||||
|
||||
node, _, h := mx.tree.FindRoute(rctx, m, path)
|
||||
|
||||
if node != nil && node.subroutes != nil {
|
||||
rctx.RoutePath = mx.nextRoutePath(rctx)
|
||||
return node.subroutes.Match(rctx, method, rctx.RoutePath)
|
||||
}
|
||||
|
||||
return h != nil
|
||||
}
|
||||
|
||||
// NotFoundHandler returns the default Mux 404 responder whenever a route
|
||||
// cannot be found.
|
||||
func (mx *Mux) NotFoundHandler() http.HandlerFunc {
|
||||
if mx.notFoundHandler != nil {
|
||||
return mx.notFoundHandler
|
||||
}
|
||||
return http.NotFound
|
||||
}
|
||||
|
||||
// MethodNotAllowedHandler returns the default Mux 405 responder whenever
|
||||
// a method cannot be resolved for a route.
|
||||
func (mx *Mux) MethodNotAllowedHandler() http.HandlerFunc {
|
||||
if mx.methodNotAllowedHandler != nil {
|
||||
return mx.methodNotAllowedHandler
|
||||
}
|
||||
return methodNotAllowedHandler
|
||||
}
|
||||
|
||||
// buildRouteHandler builds the single mux handler that is a chain of the middleware
|
||||
// stack, as defined by calls to Use(), and the tree router (Mux) itself. After this
|
||||
// point, no other middlewares can be registered on this Mux's stack. But you can still
|
||||
// compose additional middlewares via Group()'s or using a chained middleware handler.
|
||||
func (mx *Mux) buildRouteHandler() {
|
||||
mx.handler = chain(mx.middlewares, http.HandlerFunc(mx.routeHTTP))
|
||||
}
|
||||
|
||||
// handle registers a http.Handler in the routing tree for a particular http method
|
||||
// and routing pattern.
|
||||
func (mx *Mux) handle(method methodTyp, pattern string, handler http.Handler) *node {
|
||||
if len(pattern) == 0 || pattern[0] != '/' {
|
||||
panic(fmt.Sprintf("chi: routing pattern must begin with '/' in '%s'", pattern))
|
||||
}
|
||||
|
||||
// Build the computed routing handler for this routing pattern.
|
||||
if !mx.inline && mx.handler == nil {
|
||||
mx.buildRouteHandler()
|
||||
}
|
||||
|
||||
// Build endpoint handler with inline middlewares for the route
|
||||
var h http.Handler
|
||||
if mx.inline {
|
||||
mx.handler = http.HandlerFunc(mx.routeHTTP)
|
||||
h = Chain(mx.middlewares...).Handler(handler)
|
||||
} else {
|
||||
h = handler
|
||||
}
|
||||
|
||||
// Add the endpoint to the tree and return the node
|
||||
return mx.tree.InsertRoute(method, pattern, h)
|
||||
}
|
||||
|
||||
// routeHTTP routes a http.Request through the Mux routing tree to serve
|
||||
// the matching handler for a particular http method.
|
||||
func (mx *Mux) routeHTTP(w http.ResponseWriter, r *http.Request) {
|
||||
// Grab the route context object
|
||||
rctx := r.Context().Value(RouteCtxKey).(*Context)
|
||||
|
||||
// The request routing path
|
||||
routePath := rctx.RoutePath
|
||||
if routePath == "" {
|
||||
if r.URL.RawPath != "" {
|
||||
routePath = r.URL.RawPath
|
||||
} else {
|
||||
routePath = r.URL.Path
|
||||
}
|
||||
}
|
||||
|
||||
// Check if method is supported by chi
|
||||
if rctx.RouteMethod == "" {
|
||||
rctx.RouteMethod = r.Method
|
||||
}
|
||||
method, ok := methodMap[rctx.RouteMethod]
|
||||
if !ok {
|
||||
mx.MethodNotAllowedHandler().ServeHTTP(w, r)
|
||||
return
|
||||
}
|
||||
|
||||
// Find the route
|
||||
if _, _, h := mx.tree.FindRoute(rctx, method, routePath); h != nil {
|
||||
h.ServeHTTP(w, r)
|
||||
return
|
||||
}
|
||||
if rctx.methodNotAllowed {
|
||||
mx.MethodNotAllowedHandler().ServeHTTP(w, r)
|
||||
} else {
|
||||
mx.NotFoundHandler().ServeHTTP(w, r)
|
||||
}
|
||||
}
|
||||
|
||||
func (mx *Mux) nextRoutePath(rctx *Context) string {
|
||||
routePath := "/"
|
||||
nx := len(rctx.routeParams.Keys) - 1 // index of last param in list
|
||||
if nx >= 0 && rctx.routeParams.Keys[nx] == "*" && len(rctx.routeParams.Values) > nx {
|
||||
routePath = "/" + rctx.routeParams.Values[nx]
|
||||
}
|
||||
return routePath
|
||||
}
|
||||
|
||||
// Recursively update data on child routers.
|
||||
func (mx *Mux) updateSubRoutes(fn func(subMux *Mux)) {
|
||||
for _, r := range mx.tree.routes() {
|
||||
subMux, ok := r.SubRoutes.(*Mux)
|
||||
if !ok {
|
||||
continue
|
||||
}
|
||||
fn(subMux)
|
||||
}
|
||||
}
|
||||
|
||||
// methodNotAllowedHandler is a helper function to respond with a 405,
|
||||
// method not allowed.
|
||||
func methodNotAllowedHandler(w http.ResponseWriter, r *http.Request) {
|
||||
w.WriteHeader(405)
|
||||
w.Write(nil)
|
||||
}
|
865
vendor/github.com/go-chi/chi/tree.go
generated
vendored
Normal file
865
vendor/github.com/go-chi/chi/tree.go
generated
vendored
Normal file
@ -0,0 +1,865 @@
|
||||
package chi
|
||||
|
||||
// Radix tree implementation below is a based on the original work by
|
||||
// Armon Dadgar in https://github.com/armon/go-radix/blob/master/radix.go
|
||||
// (MIT licensed). It's been heavily modified for use as a HTTP routing tree.
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"math"
|
||||
"net/http"
|
||||
"regexp"
|
||||
"sort"
|
||||
"strconv"
|
||||
"strings"
|
||||
)
|
||||
|
||||
type methodTyp int
|
||||
|
||||
const (
|
||||
mSTUB methodTyp = 1 << iota
|
||||
mCONNECT
|
||||
mDELETE
|
||||
mGET
|
||||
mHEAD
|
||||
mOPTIONS
|
||||
mPATCH
|
||||
mPOST
|
||||
mPUT
|
||||
mTRACE
|
||||
)
|
||||
|
||||
var mALL = mCONNECT | mDELETE | mGET | mHEAD |
|
||||
mOPTIONS | mPATCH | mPOST | mPUT | mTRACE
|
||||
|
||||
var methodMap = map[string]methodTyp{
|
||||
http.MethodConnect: mCONNECT,
|
||||
http.MethodDelete: mDELETE,
|
||||
http.MethodGet: mGET,
|
||||
http.MethodHead: mHEAD,
|
||||
http.MethodOptions: mOPTIONS,
|
||||
http.MethodPatch: mPATCH,
|
||||
http.MethodPost: mPOST,
|
||||
http.MethodPut: mPUT,
|
||||
http.MethodTrace: mTRACE,
|
||||
}
|
||||
|
||||
// RegisterMethod adds support for custom HTTP method handlers, available
|
||||
// via Router#Method and Router#MethodFunc
|
||||
func RegisterMethod(method string) {
|
||||
if method == "" {
|
||||
return
|
||||
}
|
||||
method = strings.ToUpper(method)
|
||||
if _, ok := methodMap[method]; ok {
|
||||
return
|
||||
}
|
||||
n := len(methodMap)
|
||||
if n > strconv.IntSize {
|
||||
panic(fmt.Sprintf("chi: max number of methods reached (%d)", strconv.IntSize))
|
||||
}
|
||||
mt := methodTyp(math.Exp2(float64(n)))
|
||||
methodMap[method] = mt
|
||||
mALL |= mt
|
||||
}
|
||||
|
||||
type nodeTyp uint8
|
||||
|
||||
const (
|
||||
ntStatic nodeTyp = iota // /home
|
||||
ntRegexp // /{id:[0-9]+}
|
||||
ntParam // /{user}
|
||||
ntCatchAll // /api/v1/*
|
||||
)
|
||||
|
||||
type node struct {
|
||||
// node type: static, regexp, param, catchAll
|
||||
typ nodeTyp
|
||||
|
||||
// first byte of the prefix
|
||||
label byte
|
||||
|
||||
// first byte of the child prefix
|
||||
tail byte
|
||||
|
||||
// prefix is the common prefix we ignore
|
||||
prefix string
|
||||
|
||||
// regexp matcher for regexp nodes
|
||||
rex *regexp.Regexp
|
||||
|
||||
// HTTP handler endpoints on the leaf node
|
||||
endpoints endpoints
|
||||
|
||||
// subroutes on the leaf node
|
||||
subroutes Routes
|
||||
|
||||
// child nodes should be stored in-order for iteration,
|
||||
// in groups of the node type.
|
||||
children [ntCatchAll + 1]nodes
|
||||
}
|
||||
|
||||
// endpoints is a mapping of http method constants to handlers
|
||||
// for a given route.
|
||||
type endpoints map[methodTyp]*endpoint
|
||||
|
||||
type endpoint struct {
|
||||
// endpoint handler
|
||||
handler http.Handler
|
||||
|
||||
// pattern is the routing pattern for handler nodes
|
||||
pattern string
|
||||
|
||||
// parameter keys recorded on handler nodes
|
||||
paramKeys []string
|
||||
}
|
||||
|
||||
func (s endpoints) Value(method methodTyp) *endpoint {
|
||||
mh, ok := s[method]
|
||||
if !ok {
|
||||
mh = &endpoint{}
|
||||
s[method] = mh
|
||||
}
|
||||
return mh
|
||||
}
|
||||
|
||||
func (n *node) InsertRoute(method methodTyp, pattern string, handler http.Handler) *node {
|
||||
var parent *node
|
||||
search := pattern
|
||||
|
||||
for {
|
||||
// Handle key exhaustion
|
||||
if len(search) == 0 {
|
||||
// Insert or update the node's leaf handler
|
||||
n.setEndpoint(method, handler, pattern)
|
||||
return n
|
||||
}
|
||||
|
||||
// We're going to be searching for a wild node next,
|
||||
// in this case, we need to get the tail
|
||||
var label = search[0]
|
||||
var segTail byte
|
||||
var segEndIdx int
|
||||
var segTyp nodeTyp
|
||||
var segRexpat string
|
||||
if label == '{' || label == '*' {
|
||||
segTyp, _, segRexpat, segTail, _, segEndIdx = patNextSegment(search)
|
||||
}
|
||||
|
||||
var prefix string
|
||||
if segTyp == ntRegexp {
|
||||
prefix = segRexpat
|
||||
}
|
||||
|
||||
// Look for the edge to attach to
|
||||
parent = n
|
||||
n = n.getEdge(segTyp, label, segTail, prefix)
|
||||
|
||||
// No edge, create one
|
||||
if n == nil {
|
||||
child := &node{label: label, tail: segTail, prefix: search}
|
||||
hn := parent.addChild(child, search)
|
||||
hn.setEndpoint(method, handler, pattern)
|
||||
|
||||
return hn
|
||||
}
|
||||
|
||||
// Found an edge to match the pattern
|
||||
|
||||
if n.typ > ntStatic {
|
||||
// We found a param node, trim the param from the search path and continue.
|
||||
// This param/wild pattern segment would already be on the tree from a previous
|
||||
// call to addChild when creating a new node.
|
||||
search = search[segEndIdx:]
|
||||
continue
|
||||
}
|
||||
|
||||
// Static nodes fall below here.
|
||||
// Determine longest prefix of the search key on match.
|
||||
commonPrefix := longestPrefix(search, n.prefix)
|
||||
if commonPrefix == len(n.prefix) {
|
||||
// the common prefix is as long as the current node's prefix we're attempting to insert.
|
||||
// keep the search going.
|
||||
search = search[commonPrefix:]
|
||||
continue
|
||||
}
|
||||
|
||||
// Split the node
|
||||
child := &node{
|
||||
typ: ntStatic,
|
||||
prefix: search[:commonPrefix],
|
||||
}
|
||||
parent.replaceChild(search[0], segTail, child)
|
||||
|
||||
// Restore the existing node
|
||||
n.label = n.prefix[commonPrefix]
|
||||
n.prefix = n.prefix[commonPrefix:]
|
||||
child.addChild(n, n.prefix)
|
||||
|
||||
// If the new key is a subset, set the method/handler on this node and finish.
|
||||
search = search[commonPrefix:]
|
||||
if len(search) == 0 {
|
||||
child.setEndpoint(method, handler, pattern)
|
||||
return child
|
||||
}
|
||||
|
||||
// Create a new edge for the node
|
||||
subchild := &node{
|
||||
typ: ntStatic,
|
||||
label: search[0],
|
||||
prefix: search,
|
||||
}
|
||||
hn := child.addChild(subchild, search)
|
||||
hn.setEndpoint(method, handler, pattern)
|
||||
return hn
|
||||
}
|
||||
}
|
||||
|
||||
// addChild appends the new `child` node to the tree using the `pattern` as the trie key.
|
||||
// For a URL router like chi's, we split the static, param, regexp and wildcard segments
|
||||
// into different nodes. In addition, addChild will recursively call itself until every
|
||||
// pattern segment is added to the url pattern tree as individual nodes, depending on type.
|
||||
func (n *node) addChild(child *node, prefix string) *node {
|
||||
search := prefix
|
||||
|
||||
// handler leaf node added to the tree is the child.
|
||||
// this may be overridden later down the flow
|
||||
hn := child
|
||||
|
||||
// Parse next segment
|
||||
segTyp, _, segRexpat, segTail, segStartIdx, segEndIdx := patNextSegment(search)
|
||||
|
||||
// Add child depending on next up segment
|
||||
switch segTyp {
|
||||
|
||||
case ntStatic:
|
||||
// Search prefix is all static (that is, has no params in path)
|
||||
// noop
|
||||
|
||||
default:
|
||||
// Search prefix contains a param, regexp or wildcard
|
||||
|
||||
if segTyp == ntRegexp {
|
||||
rex, err := regexp.Compile(segRexpat)
|
||||
if err != nil {
|
||||
panic(fmt.Sprintf("chi: invalid regexp pattern '%s' in route param", segRexpat))
|
||||
}
|
||||
child.prefix = segRexpat
|
||||
child.rex = rex
|
||||
}
|
||||
|
||||
if segStartIdx == 0 {
|
||||
// Route starts with a param
|
||||
child.typ = segTyp
|
||||
|
||||
if segTyp == ntCatchAll {
|
||||
segStartIdx = -1
|
||||
} else {
|
||||
segStartIdx = segEndIdx
|
||||
}
|
||||
if segStartIdx < 0 {
|
||||
segStartIdx = len(search)
|
||||
}
|
||||
child.tail = segTail // for params, we set the tail
|
||||
|
||||
if segStartIdx != len(search) {
|
||||
// add static edge for the remaining part, split the end.
|
||||
// its not possible to have adjacent param nodes, so its certainly
|
||||
// going to be a static node next.
|
||||
|
||||
search = search[segStartIdx:] // advance search position
|
||||
|
||||
nn := &node{
|
||||
typ: ntStatic,
|
||||
label: search[0],
|
||||
prefix: search,
|
||||
}
|
||||
hn = child.addChild(nn, search)
|
||||
}
|
||||
|
||||
} else if segStartIdx > 0 {
|
||||
// Route has some param
|
||||
|
||||
// starts with a static segment
|
||||
child.typ = ntStatic
|
||||
child.prefix = search[:segStartIdx]
|
||||
child.rex = nil
|
||||
|
||||
// add the param edge node
|
||||
search = search[segStartIdx:]
|
||||
|
||||
nn := &node{
|
||||
typ: segTyp,
|
||||
label: search[0],
|
||||
tail: segTail,
|
||||
}
|
||||
hn = child.addChild(nn, search)
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
n.children[child.typ] = append(n.children[child.typ], child)
|
||||
n.children[child.typ].Sort()
|
||||
return hn
|
||||
}
|
||||
|
||||
func (n *node) replaceChild(label, tail byte, child *node) {
|
||||
for i := 0; i < len(n.children[child.typ]); i++ {
|
||||
if n.children[child.typ][i].label == label && n.children[child.typ][i].tail == tail {
|
||||
n.children[child.typ][i] = child
|
||||
n.children[child.typ][i].label = label
|
||||
n.children[child.typ][i].tail = tail
|
||||
return
|
||||
}
|
||||
}
|
||||
panic("chi: replacing missing child")
|
||||
}
|
||||
|
||||
func (n *node) getEdge(ntyp nodeTyp, label, tail byte, prefix string) *node {
|
||||
nds := n.children[ntyp]
|
||||
for i := 0; i < len(nds); i++ {
|
||||
if nds[i].label == label && nds[i].tail == tail {
|
||||
if ntyp == ntRegexp && nds[i].prefix != prefix {
|
||||
continue
|
||||
}
|
||||
return nds[i]
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (n *node) setEndpoint(method methodTyp, handler http.Handler, pattern string) {
|
||||
// Set the handler for the method type on the node
|
||||
if n.endpoints == nil {
|
||||
n.endpoints = make(endpoints)
|
||||
}
|
||||
|
||||
paramKeys := patParamKeys(pattern)
|
||||
|
||||
if method&mSTUB == mSTUB {
|
||||
n.endpoints.Value(mSTUB).handler = handler
|
||||
}
|
||||
if method&mALL == mALL {
|
||||
h := n.endpoints.Value(mALL)
|
||||
h.handler = handler
|
||||
h.pattern = pattern
|
||||
h.paramKeys = paramKeys
|
||||
for _, m := range methodMap {
|
||||
h := n.endpoints.Value(m)
|
||||
h.handler = handler
|
||||
h.pattern = pattern
|
||||
h.paramKeys = paramKeys
|
||||
}
|
||||
} else {
|
||||
h := n.endpoints.Value(method)
|
||||
h.handler = handler
|
||||
h.pattern = pattern
|
||||
h.paramKeys = paramKeys
|
||||
}
|
||||
}
|
||||
|
||||
func (n *node) FindRoute(rctx *Context, method methodTyp, path string) (*node, endpoints, http.Handler) {
|
||||
// Reset the context routing pattern and params
|
||||
rctx.routePattern = ""
|
||||
rctx.routeParams.Keys = rctx.routeParams.Keys[:0]
|
||||
rctx.routeParams.Values = rctx.routeParams.Values[:0]
|
||||
|
||||
// Find the routing handlers for the path
|
||||
rn := n.findRoute(rctx, method, path)
|
||||
if rn == nil {
|
||||
return nil, nil, nil
|
||||
}
|
||||
|
||||
// Record the routing params in the request lifecycle
|
||||
rctx.URLParams.Keys = append(rctx.URLParams.Keys, rctx.routeParams.Keys...)
|
||||
rctx.URLParams.Values = append(rctx.URLParams.Values, rctx.routeParams.Values...)
|
||||
|
||||
// Record the routing pattern in the request lifecycle
|
||||
if rn.endpoints[method].pattern != "" {
|
||||
rctx.routePattern = rn.endpoints[method].pattern
|
||||
rctx.RoutePatterns = append(rctx.RoutePatterns, rctx.routePattern)
|
||||
}
|
||||
|
||||
return rn, rn.endpoints, rn.endpoints[method].handler
|
||||
}
|
||||
|
||||
// Recursive edge traversal by checking all nodeTyp groups along the way.
|
||||
// It's like searching through a multi-dimensional radix trie.
|
||||
func (n *node) findRoute(rctx *Context, method methodTyp, path string) *node {
|
||||
nn := n
|
||||
search := path
|
||||
|
||||
for t, nds := range nn.children {
|
||||
ntyp := nodeTyp(t)
|
||||
if len(nds) == 0 {
|
||||
continue
|
||||
}
|
||||
|
||||
var xn *node
|
||||
xsearch := search
|
||||
|
||||
var label byte
|
||||
if search != "" {
|
||||
label = search[0]
|
||||
}
|
||||
|
||||
switch ntyp {
|
||||
case ntStatic:
|
||||
xn = nds.findEdge(label)
|
||||
if xn == nil || !strings.HasPrefix(xsearch, xn.prefix) {
|
||||
continue
|
||||
}
|
||||
xsearch = xsearch[len(xn.prefix):]
|
||||
|
||||
case ntParam, ntRegexp:
|
||||
// short-circuit and return no matching route for empty param values
|
||||
if xsearch == "" {
|
||||
continue
|
||||
}
|
||||
|
||||
// serially loop through each node grouped by the tail delimiter
|
||||
for idx := 0; idx < len(nds); idx++ {
|
||||
xn = nds[idx]
|
||||
|
||||
// label for param nodes is the delimiter byte
|
||||
p := strings.IndexByte(xsearch, xn.tail)
|
||||
|
||||
if p < 0 {
|
||||
if xn.tail == '/' {
|
||||
p = len(xsearch)
|
||||
} else {
|
||||
continue
|
||||
}
|
||||
}
|
||||
|
||||
if ntyp == ntRegexp && xn.rex != nil {
|
||||
if !xn.rex.MatchString(xsearch[:p]) {
|
||||
continue
|
||||
}
|
||||
} else if strings.IndexByte(xsearch[:p], '/') != -1 {
|
||||
// avoid a match across path segments
|
||||
continue
|
||||
}
|
||||
|
||||
prevlen := len(rctx.routeParams.Values)
|
||||
rctx.routeParams.Values = append(rctx.routeParams.Values, xsearch[:p])
|
||||
xsearch = xsearch[p:]
|
||||
|
||||
if len(xsearch) == 0 {
|
||||
if xn.isLeaf() {
|
||||
h := xn.endpoints[method]
|
||||
if h != nil && h.handler != nil {
|
||||
rctx.routeParams.Keys = append(rctx.routeParams.Keys, h.paramKeys...)
|
||||
return xn
|
||||
}
|
||||
|
||||
// flag that the routing context found a route, but not a corresponding
|
||||
// supported method
|
||||
rctx.methodNotAllowed = true
|
||||
}
|
||||
}
|
||||
|
||||
// recursively find the next node on this branch
|
||||
fin := xn.findRoute(rctx, method, xsearch)
|
||||
if fin != nil {
|
||||
return fin
|
||||
}
|
||||
|
||||
// not found on this branch, reset vars
|
||||
rctx.routeParams.Values = rctx.routeParams.Values[:prevlen]
|
||||
xsearch = search
|
||||
}
|
||||
|
||||
rctx.routeParams.Values = append(rctx.routeParams.Values, "")
|
||||
|
||||
default:
|
||||
// catch-all nodes
|
||||
rctx.routeParams.Values = append(rctx.routeParams.Values, search)
|
||||
xn = nds[0]
|
||||
xsearch = ""
|
||||
}
|
||||
|
||||
if xn == nil {
|
||||
continue
|
||||
}
|
||||
|
||||
// did we find it yet?
|
||||
if len(xsearch) == 0 {
|
||||
if xn.isLeaf() {
|
||||
h := xn.endpoints[method]
|
||||
if h != nil && h.handler != nil {
|
||||
rctx.routeParams.Keys = append(rctx.routeParams.Keys, h.paramKeys...)
|
||||
return xn
|
||||
}
|
||||
|
||||
// flag that the routing context found a route, but not a corresponding
|
||||
// supported method
|
||||
rctx.methodNotAllowed = true
|
||||
}
|
||||
}
|
||||
|
||||
// recursively find the next node..
|
||||
fin := xn.findRoute(rctx, method, xsearch)
|
||||
if fin != nil {
|
||||
return fin
|
||||
}
|
||||
|
||||
// Did not find final handler, let's remove the param here if it was set
|
||||
if xn.typ > ntStatic {
|
||||
if len(rctx.routeParams.Values) > 0 {
|
||||
rctx.routeParams.Values = rctx.routeParams.Values[:len(rctx.routeParams.Values)-1]
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (n *node) findEdge(ntyp nodeTyp, label byte) *node {
|
||||
nds := n.children[ntyp]
|
||||
num := len(nds)
|
||||
idx := 0
|
||||
|
||||
switch ntyp {
|
||||
case ntStatic, ntParam, ntRegexp:
|
||||
i, j := 0, num-1
|
||||
for i <= j {
|
||||
idx = i + (j-i)/2
|
||||
if label > nds[idx].label {
|
||||
i = idx + 1
|
||||
} else if label < nds[idx].label {
|
||||
j = idx - 1
|
||||
} else {
|
||||
i = num // breaks cond
|
||||
}
|
||||
}
|
||||
if nds[idx].label != label {
|
||||
return nil
|
||||
}
|
||||
return nds[idx]
|
||||
|
||||
default: // catch all
|
||||
return nds[idx]
|
||||
}
|
||||
}
|
||||
|
||||
func (n *node) isLeaf() bool {
|
||||
return n.endpoints != nil
|
||||
}
|
||||
|
||||
func (n *node) findPattern(pattern string) bool {
|
||||
nn := n
|
||||
for _, nds := range nn.children {
|
||||
if len(nds) == 0 {
|
||||
continue
|
||||
}
|
||||
|
||||
n = nn.findEdge(nds[0].typ, pattern[0])
|
||||
if n == nil {
|
||||
continue
|
||||
}
|
||||
|
||||
var idx int
|
||||
var xpattern string
|
||||
|
||||
switch n.typ {
|
||||
case ntStatic:
|
||||
idx = longestPrefix(pattern, n.prefix)
|
||||
if idx < len(n.prefix) {
|
||||
continue
|
||||
}
|
||||
|
||||
case ntParam, ntRegexp:
|
||||
idx = strings.IndexByte(pattern, '}') + 1
|
||||
|
||||
case ntCatchAll:
|
||||
idx = longestPrefix(pattern, "*")
|
||||
|
||||
default:
|
||||
panic("chi: unknown node type")
|
||||
}
|
||||
|
||||
xpattern = pattern[idx:]
|
||||
if len(xpattern) == 0 {
|
||||
return true
|
||||
}
|
||||
|
||||
return n.findPattern(xpattern)
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
func (n *node) routes() []Route {
|
||||
rts := []Route{}
|
||||
|
||||
n.walk(func(eps endpoints, subroutes Routes) bool {
|
||||
if eps[mSTUB] != nil && eps[mSTUB].handler != nil && subroutes == nil {
|
||||
return false
|
||||
}
|
||||
|
||||
// Group methodHandlers by unique patterns
|
||||
pats := make(map[string]endpoints)
|
||||
|
||||
for mt, h := range eps {
|
||||
if h.pattern == "" {
|
||||
continue
|
||||
}
|
||||
p, ok := pats[h.pattern]
|
||||
if !ok {
|
||||
p = endpoints{}
|
||||
pats[h.pattern] = p
|
||||
}
|
||||
p[mt] = h
|
||||
}
|
||||
|
||||
for p, mh := range pats {
|
||||
hs := make(map[string]http.Handler)
|
||||
if mh[mALL] != nil && mh[mALL].handler != nil {
|
||||
hs["*"] = mh[mALL].handler
|
||||
}
|
||||
|
||||
for mt, h := range mh {
|
||||
if h.handler == nil {
|
||||
continue
|
||||
}
|
||||
m := methodTypString(mt)
|
||||
if m == "" {
|
||||
continue
|
||||
}
|
||||
hs[m] = h.handler
|
||||
}
|
||||
|
||||
rt := Route{p, hs, subroutes}
|
||||
rts = append(rts, rt)
|
||||
}
|
||||
|
||||
return false
|
||||
})
|
||||
|
||||
return rts
|
||||
}
|
||||
|
||||
func (n *node) walk(fn func(eps endpoints, subroutes Routes) bool) bool {
|
||||
// Visit the leaf values if any
|
||||
if (n.endpoints != nil || n.subroutes != nil) && fn(n.endpoints, n.subroutes) {
|
||||
return true
|
||||
}
|
||||
|
||||
// Recurse on the children
|
||||
for _, ns := range n.children {
|
||||
for _, cn := range ns {
|
||||
if cn.walk(fn) {
|
||||
return true
|
||||
}
|
||||
}
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
// patNextSegment returns the next segment details from a pattern:
|
||||
// node type, param key, regexp string, param tail byte, param starting index, param ending index
|
||||
func patNextSegment(pattern string) (nodeTyp, string, string, byte, int, int) {
|
||||
ps := strings.Index(pattern, "{")
|
||||
ws := strings.Index(pattern, "*")
|
||||
|
||||
if ps < 0 && ws < 0 {
|
||||
return ntStatic, "", "", 0, 0, len(pattern) // we return the entire thing
|
||||
}
|
||||
|
||||
// Sanity check
|
||||
if ps >= 0 && ws >= 0 && ws < ps {
|
||||
panic("chi: wildcard '*' must be the last pattern in a route, otherwise use a '{param}'")
|
||||
}
|
||||
|
||||
var tail byte = '/' // Default endpoint tail to / byte
|
||||
|
||||
if ps >= 0 {
|
||||
// Param/Regexp pattern is next
|
||||
nt := ntParam
|
||||
|
||||
// Read to closing } taking into account opens and closes in curl count (cc)
|
||||
cc := 0
|
||||
pe := ps
|
||||
for i, c := range pattern[ps:] {
|
||||
if c == '{' {
|
||||
cc++
|
||||
} else if c == '}' {
|
||||
cc--
|
||||
if cc == 0 {
|
||||
pe = ps + i
|
||||
break
|
||||
}
|
||||
}
|
||||
}
|
||||
if pe == ps {
|
||||
panic("chi: route param closing delimiter '}' is missing")
|
||||
}
|
||||
|
||||
key := pattern[ps+1 : pe]
|
||||
pe++ // set end to next position
|
||||
|
||||
if pe < len(pattern) {
|
||||
tail = pattern[pe]
|
||||
}
|
||||
|
||||
var rexpat string
|
||||
if idx := strings.Index(key, ":"); idx >= 0 {
|
||||
nt = ntRegexp
|
||||
rexpat = key[idx+1:]
|
||||
key = key[:idx]
|
||||
}
|
||||
|
||||
if len(rexpat) > 0 {
|
||||
if rexpat[0] != '^' {
|
||||
rexpat = "^" + rexpat
|
||||
}
|
||||
if rexpat[len(rexpat)-1] != '$' {
|
||||
rexpat += "$"
|
||||
}
|
||||
}
|
||||
|
||||
return nt, key, rexpat, tail, ps, pe
|
||||
}
|
||||
|
||||
// Wildcard pattern as finale
|
||||
if ws < len(pattern)-1 {
|
||||
panic("chi: wildcard '*' must be the last value in a route. trim trailing text or use a '{param}' instead")
|
||||
}
|
||||
return ntCatchAll, "*", "", 0, ws, len(pattern)
|
||||
}
|
||||
|
||||
func patParamKeys(pattern string) []string {
|
||||
pat := pattern
|
||||
paramKeys := []string{}
|
||||
for {
|
||||
ptyp, paramKey, _, _, _, e := patNextSegment(pat)
|
||||
if ptyp == ntStatic {
|
||||
return paramKeys
|
||||
}
|
||||
for i := 0; i < len(paramKeys); i++ {
|
||||
if paramKeys[i] == paramKey {
|
||||
panic(fmt.Sprintf("chi: routing pattern '%s' contains duplicate param key, '%s'", pattern, paramKey))
|
||||
}
|
||||
}
|
||||
paramKeys = append(paramKeys, paramKey)
|
||||
pat = pat[e:]
|
||||
}
|
||||
}
|
||||
|
||||
// longestPrefix finds the length of the shared prefix
|
||||
// of two strings
|
||||
func longestPrefix(k1, k2 string) int {
|
||||
max := len(k1)
|
||||
if l := len(k2); l < max {
|
||||
max = l
|
||||
}
|
||||
var i int
|
||||
for i = 0; i < max; i++ {
|
||||
if k1[i] != k2[i] {
|
||||
break
|
||||
}
|
||||
}
|
||||
return i
|
||||
}
|
||||
|
||||
func methodTypString(method methodTyp) string {
|
||||
for s, t := range methodMap {
|
||||
if method == t {
|
||||
return s
|
||||
}
|
||||
}
|
||||
return ""
|
||||
}
|
||||
|
||||
type nodes []*node
|
||||
|
||||
// Sort the list of nodes by label
|
||||
func (ns nodes) Sort() { sort.Sort(ns); ns.tailSort() }
|
||||
func (ns nodes) Len() int { return len(ns) }
|
||||
func (ns nodes) Swap(i, j int) { ns[i], ns[j] = ns[j], ns[i] }
|
||||
func (ns nodes) Less(i, j int) bool { return ns[i].label < ns[j].label }
|
||||
|
||||
// tailSort pushes nodes with '/' as the tail to the end of the list for param nodes.
|
||||
// The list order determines the traversal order.
|
||||
func (ns nodes) tailSort() {
|
||||
for i := len(ns) - 1; i >= 0; i-- {
|
||||
if ns[i].typ > ntStatic && ns[i].tail == '/' {
|
||||
ns.Swap(i, len(ns)-1)
|
||||
return
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (ns nodes) findEdge(label byte) *node {
|
||||
num := len(ns)
|
||||
idx := 0
|
||||
i, j := 0, num-1
|
||||
for i <= j {
|
||||
idx = i + (j-i)/2
|
||||
if label > ns[idx].label {
|
||||
i = idx + 1
|
||||
} else if label < ns[idx].label {
|
||||
j = idx - 1
|
||||
} else {
|
||||
i = num // breaks cond
|
||||
}
|
||||
}
|
||||
if ns[idx].label != label {
|
||||
return nil
|
||||
}
|
||||
return ns[idx]
|
||||
}
|
||||
|
||||
// Route describes the details of a routing handler.
|
||||
// Handlers map key is an HTTP method
|
||||
type Route struct {
|
||||
Pattern string
|
||||
Handlers map[string]http.Handler
|
||||
SubRoutes Routes
|
||||
}
|
||||
|
||||
// WalkFunc is the type of the function called for each method and route visited by Walk.
|
||||
type WalkFunc func(method string, route string, handler http.Handler, middlewares ...func(http.Handler) http.Handler) error
|
||||
|
||||
// Walk walks any router tree that implements Routes interface.
|
||||
func Walk(r Routes, walkFn WalkFunc) error {
|
||||
return walk(r, walkFn, "")
|
||||
}
|
||||
|
||||
func walk(r Routes, walkFn WalkFunc, parentRoute string, parentMw ...func(http.Handler) http.Handler) error {
|
||||
for _, route := range r.Routes() {
|
||||
mws := make([]func(http.Handler) http.Handler, len(parentMw))
|
||||
copy(mws, parentMw)
|
||||
mws = append(mws, r.Middlewares()...)
|
||||
|
||||
if route.SubRoutes != nil {
|
||||
if err := walk(route.SubRoutes, walkFn, parentRoute+route.Pattern, mws...); err != nil {
|
||||
return err
|
||||
}
|
||||
continue
|
||||
}
|
||||
|
||||
for method, handler := range route.Handlers {
|
||||
if method == "*" {
|
||||
// Ignore a "catchAll" method, since we pass down all the specific methods for each route.
|
||||
continue
|
||||
}
|
||||
|
||||
fullRoute := parentRoute + route.Pattern
|
||||
fullRoute = strings.Replace(fullRoute, "/*/", "/", -1)
|
||||
|
||||
if chain, ok := handler.(*ChainHandler); ok {
|
||||
if err := walkFn(method, fullRoute, chain.Endpoint, append(mws, chain.Middlewares...)...); err != nil {
|
||||
return err
|
||||
}
|
||||
} else {
|
||||
if err := walkFn(method, fullRoute, handler, mws...); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
4
vendor/modules.txt
vendored
4
vendor/modules.txt
vendored
@ -269,6 +269,10 @@ github.com/gliderlabs/ssh
|
||||
github.com/glycerine/go-unsnap-stream
|
||||
# github.com/go-asn1-ber/asn1-ber v1.5.1
|
||||
github.com/go-asn1-ber/asn1-ber
|
||||
# github.com/go-chi/chi v1.5.0
|
||||
## explicit
|
||||
github.com/go-chi/chi
|
||||
github.com/go-chi/chi/middleware
|
||||
# github.com/go-enry/go-enry/v2 v2.5.2
|
||||
## explicit
|
||||
github.com/go-enry/go-enry/v2
|
||||
|
Loading…
Reference in New Issue
Block a user