pcmt/handlers/signin.go
leo 3a2f85f683
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feat: add license headers (+spdx id)
2023-05-20 20:15:57 +02:00

121 lines
2.9 KiB
Go

// Copyright 2023 wanderer <a_mirre at utb dot cz>
// SPDX-License-Identifier: AGPL-3.0-only
package handlers
import (
"context"
"net/http"
"strconv"
"git.dotya.ml/mirre-mt/pcmt/ent"
passwd "git.dotya.ml/mirre-mt/pcmt/modules/password"
moduser "git.dotya.ml/mirre-mt/pcmt/modules/user"
"github.com/gorilla/sessions"
"github.com/labstack/echo-contrib/session"
"github.com/labstack/echo/v4"
)
func Signin() echo.HandlerFunc {
return func(c echo.Context) error {
addHeaders(c)
if sess, _ := session.Get(setting.SessionCookieName(), c); sess != nil {
username := sess.Values["username"]
if username != nil {
return c.Redirect(http.StatusFound, "/home")
}
}
return c.Render(
http.StatusOK,
"signin.tmpl",
page{
AppName: setting.AppName(),
AppVer: appver,
Title: "Sign in",
DevelMode: setting.IsDevel(),
Current: "signin",
},
)
}
}
func SigninPost(client *ent.Client) echo.HandlerFunc {
return func(c echo.Context) error {
addHeaders(c)
cu := new(userSignin)
if err := c.Bind(cu); err != nil {
return renderErrorPage(
c,
http.StatusBadRequest,
http.StatusText(http.StatusBadRequest),
err.Error(),
)
}
username := cu.Username
password := cu.Password
if username == "" || password == "" {
c.Logger().Error("username or password not set, returning to /signin")
return c.Redirect(http.StatusFound, "/signin")
}
ctx := context.WithValue(context.Background(), moduser.CtxKey{}, slogger)
if usr, err := moduser.QueryUser(ctx, client, username); err == nil {
log.Info("queried user:", &usr.ID)
if !passwd.Compare(usr.Password, password) {
log.Warn("wrong user credentials, redirecting to /signin")
return c.Redirect(http.StatusFound, "/signin")
}
} else {
if ent.IsNotFound(err) {
c.Logger().Error("user not found")
return c.Redirect(http.StatusFound, "/signin")
}
// just log the error instead of returning it to the user and
// redirect back to /signin.
c.Logger().Error(
http.StatusText(http.StatusUnauthorized)+" "+err.Error(),
strconv.Itoa(http.StatusUnauthorized)+" "+http.StatusText(http.StatusUnauthorized)+" "+err.Error(),
)
return c.Redirect(http.StatusFound, "/signin")
}
secure := c.Request().URL.Scheme == "https" //nolint:goconst
sess, _ := session.Get(setting.SessionCookieName(), c)
if sess != nil {
sess.Options = &sessions.Options{
Path: "/",
MaxAge: 3600,
HttpOnly: true,
Secure: secure,
SameSite: http.SameSiteStrictMode,
}
sess.Values["foo"] = "bar"
sess.Values["username"] = username
err := sess.Save(c.Request(), c.Response())
if err != nil {
c.Logger().Error("failed to save session")
return renderErrorPage(
c,
http.StatusInternalServerError,
http.StatusText(http.StatusInternalServerError)+" (make sure you've got cookies enabled)",
err.Error(),
)
}
}
return c.Redirect(http.StatusMovedPermanently, "/home")
}
}