pcmt/handlers/manage-user.go
surtur 96c0b53493
All checks were successful
continuous-integration/drone/push Build is passing
go,tmpl: implement+activate validator
also ad initial password change:
* switch the password field type to `password`
* add a field for repeated password
2023-09-08 22:56:17 +02:00

936 lines
21 KiB
Go

// Copyright 2023 wanderer <a_mirre at utb dot cz>
// SPDX-License-Identifier: AGPL-3.0-only
package handlers
import (
"context"
"errors"
"fmt"
"net/http"
"strings"
"git.dotya.ml/mirre-mt/pcmt/ent"
moduser "git.dotya.ml/mirre-mt/pcmt/modules/user"
"github.com/gorilla/sessions"
"github.com/labstack/echo/v4"
)
func ManageUsers() echo.HandlerFunc {
return func(c echo.Context) error {
addHeaders(c)
u, ok := c.Get("sessUsr").(moduser.User)
if !ok {
return renderErrorPage(
c,
http.StatusUnauthorized,
http.StatusText(http.StatusUnauthorized),
"it appears there is no user",
)
}
sess, ok := c.Get("sess").(*sessions.Session)
if !ok {
return renderErrorPage(
c,
http.StatusInternalServerError,
http.StatusText(http.StatusInternalServerError),
"missing the session",
)
}
ctx, ok := c.Get("sloggerCtx").(context.Context)
if !ok {
ctx = context.WithValue(context.Background(), moduser.CtxKey{}, slogger)
}
if !u.IsAdmin {
c.Logger().Debug("this is a restricted endpoint")
status := http.StatusUnauthorized
msg := http.StatusText(status)
return renderErrorPage(
c, status, msg+": You should not be here", "Restricted endpoint",
)
}
data := make(map[string]any)
flash := sess.Values["flash"]
path := c.Request().URL.Path
if path == "/manage/users/new" {
p := newPage()
p.Title = "Manage Users - New User"
p.Current = "manage-users-new"
p.CSRF = c.Get("csrf").(string)
p.User = u
if flash != nil {
data["flash"] = flash.(string)
delete(sess.Values, "flash")
_ = sess.Save(c.Request(), c.Response())
}
err := c.Render(
http.StatusOK,
"manage/user-new.tmpl",
p,
)
if err != nil {
return renderErrorPage(
c,
http.StatusInternalServerError,
http.StatusText(http.StatusInternalServerError),
err.Error(),
)
}
return nil
}
var allUsers []*moduser.User
if users, err := moduser.ListAll(ctx, dbclient); err == nil && users != nil {
for _, u := range users {
usr := &moduser.User{
Username: u.Username,
Email: u.Email,
ID: u.ID,
IsActive: u.IsActive,
IsAdmin: u.IsAdmin,
CreatedAt: u.CreatedAt,
UpdatedAt: u.UpdatedAt,
LastLogin: u.LastLogin,
}
allUsers = append(allUsers, usr)
}
} else {
c.Logger().Error(http.StatusText(http.StatusInternalServerError) + " - " + err.Error())
return renderErrorPage(
c,
http.StatusInternalServerError,
http.StatusText(http.StatusInternalServerError),
err.Error(),
)
}
data["allusers"] = allUsers
p := newPage()
p.Title = "Manage Users"
p.Current = "manage-users"
p.CSRF = c.Get("csrf").(string)
p.User = u
p.Data = data
if flash != nil {
data["flash"] = flash.(string)
delete(sess.Values, "flash")
_ = sess.Save(c.Request(), c.Response())
}
err := c.Render(
http.StatusOK,
"manage/user.tmpl",
p,
)
if err != nil {
return renderErrorPage(
c,
http.StatusInternalServerError,
http.StatusText(http.StatusInternalServerError),
err.Error(),
)
}
return nil
}
}
func CreateUser() echo.HandlerFunc { //nolint:gocognit
return func(c echo.Context) error {
addHeaders(c)
u, ok := c.Get("sessUsr").(moduser.User)
if !ok {
return renderErrorPage(
c,
http.StatusUnauthorized,
http.StatusText(http.StatusUnauthorized),
"username was nil",
)
}
ctx, ok := c.Get("sloggerCtx").(context.Context)
if !ok {
ctx = context.WithValue(context.Background(), moduser.CtxKey{}, slogger)
}
if !u.IsAdmin {
c.Logger().Debug("this is a restricted endpoint")
status := http.StatusUnauthorized
msg := http.StatusText(status)
return renderErrorPage(
c, status, msg+": You should not be here", "Restricted endpoint",
)
}
p := newPage()
p.Title = "Manage Users"
p.Current = "manage-users"
data := make(map[string]any)
uc := new(userCreate)
if err := c.Bind(uc); err != nil {
return renderErrorPage(
c,
http.StatusBadRequest,
http.StatusText(http.StatusBadRequest),
err.Error(),
)
}
if uc.Username == "" || uc.Password == "" || uc.RepeatPassword == "" || uc.Password != uc.RepeatPassword {
c.Logger().Error("username or password not set, returning to /manage/users/new")
msg := "Error: both username and password need to be set"
if uc.Password != uc.RepeatPassword {
msg += "; password needs to be passed the same twice"
}
data["flash"] = msg
data["form"] = uc
p.Data = data
p.User = u
return c.Render(
http.StatusBadRequest,
"manage/user-new.tmpl",
p,
)
}
if err := c.Validate(uc); err != nil {
return renderErrorPage(
c,
http.StatusBadRequest,
http.StatusText(http.StatusBadRequest)+" - "+ErrValidationFailed.Error(),
err.Error(),
)
}
var msg string
usr, err := moduser.CreateUser(ctx, dbclient, uc.Email, uc.Username, uc.Password, uc.IsAdmin)
if err == nil && usr != nil {
msg = fmt.Sprintf("Successfully created user %q!", usr.Username)
if sess, ok := c.Get("sess").(*sessions.Session); ok {
sess.Values["flash"] = msg
_ = sess.Save(c.Request(), c.Response())
}
return c.Redirect(http.StatusSeeOther, "/manage/users")
}
if ent.IsNotSingular(err) {
c.Logger().Error("user exists")
msg = "Error: user already exists: " + err.Error()
} else {
msg = "Error: " + err.Error()
}
data["flash"] = msg
data["form"] = uc
p.Data = data
return c.Render(
http.StatusInternalServerError,
"manage/user-new.tmpl",
p,
)
}
}
func ViewUser() echo.HandlerFunc {
return func(c echo.Context) error {
addHeaders(c)
u, ok := c.Get("sessUsr").(moduser.User)
if !ok {
return renderErrorPage(
c,
http.StatusUnauthorized,
http.StatusText(http.StatusUnauthorized),
"username was nil",
)
}
if !u.IsAdmin {
c.Logger().Debug("this is a restricted endpoint")
status := http.StatusUnauthorized
msg := http.StatusText(status)
return renderErrorPage(
c, status, msg+": You should not be here", "Restricted endpoint",
)
}
sess, ok := c.Get("sess").(*sessions.Session)
if !ok {
return renderErrorPage(
c,
http.StatusInternalServerError,
http.StatusText(http.StatusInternalServerError),
"missing the session",
)
}
ctx, ok := c.Get("sloggerCtx").(context.Context)
if !ok {
ctx = context.WithValue(context.Background(), moduser.CtxKey{}, slogger)
}
p := newPage()
p.Title = "Manage Users - User Details"
p.Current = "manage-users-user-details"
p.User = u
data := make(map[string]any)
uid := new(userID)
err := c.Bind(uid)
if err == nil { //nolint:dupl
if err := c.Validate(uid); err != nil {
return renderErrorPage(
c,
http.StatusBadRequest,
http.StatusText(http.StatusBadRequest)+" - make sure to pass in a proper UUID",
err.Error(),
)
}
usr, err := getUserByID(ctx, dbclient, uid.ID)
if err != nil {
if errors.Is(err, moduser.ErrUserNotFound) { //nolint:gocritic
c.Logger().Errorf("user not found by ID: '%s'", uid.ID)
data["flash"] = fmt.Sprintf("No user found with UUID: %q", uid.ID)
p.Data = data
return c.Render(
http.StatusNotFound,
"manage/user-details.tmpl",
p,
)
} else if errors.Is(err, moduser.ErrFailedToQueryUser) {
c.Logger().Errorf("failed to query user by ID: '%s'", uid.ID)
data["flash"] = fmt.Sprintf("Error: failed to query user by UUID %q", uid.ID)
p.Data = data
return c.Render(
http.StatusInternalServerError,
"manage/user-details.tmpl",
p,
)
} else if errors.Is(err, moduser.ErrBadUUID) {
c.Logger().Errorf("Invalid UUID '%s': %q", uid.ID, err)
data["flash"] = fmt.Sprintf("Error: invalid UUID %q", uid.ID)
p.Data = data
return c.Render(
http.StatusBadRequest,
"manage/user-details.tmpl",
p,
)
}
c.Logger().Errorf("UUID-related issue for UUID '%s': %q", uid.ID, err)
return renderErrorPage(
c,
http.StatusInternalServerError,
http.StatusText(http.StatusInternalServerError),
err.Error(),
)
}
data["user"] = usr
flash := sess.Values["flash"]
if flash != nil {
data["flash"] = flash.(string)
delete(sess.Values, "flash")
_ = sess.Save(c.Request(), c.Response())
}
p.Data = data
return c.Render(
http.StatusOK,
"manage/user-details.tmpl",
p,
)
}
return renderErrorPage(
c,
http.StatusBadRequest,
http.StatusText(http.StatusBadRequest),
err.Error(),
)
}
}
//nolint:dupl
func EditUser() echo.HandlerFunc {
return func(c echo.Context) error {
addHeaders(c)
u, ok := c.Get("sessUsr").(moduser.User)
if !ok {
return renderErrorPage(
c,
http.StatusUnauthorized,
http.StatusText(http.StatusUnauthorized),
"username was nil",
)
}
if !u.IsAdmin {
c.Logger().Debug("this is a restricted endpoint")
status := http.StatusUnauthorized
msg := http.StatusText(status)
return renderErrorPage(
c, status, msg+": You should not be here", "Restricted endpoint",
)
}
ctx, ok := c.Get("sloggerCtx").(context.Context)
if !ok {
ctx = context.WithValue(context.Background(), moduser.CtxKey{}, slogger)
}
tmpl := "manage/user-edit.tmpl"
data := make(map[string]any)
id := strings.TrimPrefix(strings.TrimSuffix(c.Request().URL.Path, "/edit"), "/manage/users/")
p := newPage()
p.Title = "Manage Users - Edit User"
p.Current = "manage-users-edit-user"
p.User = u
usr, err := getUserByID(ctx, dbclient, id)
if err != nil {
//nolint:dupl
switch {
case errors.Is(err, moduser.ErrUserNotFound):
c.Logger().Errorf("user not found by ID: '%s'", id)
data["flash"] = fmt.Sprintf("No user found with the UUID: %q", id)
p.Data = data
return c.Render(
http.StatusNotFound,
tmpl,
p,
)
case errors.Is(err, moduser.ErrFailedToQueryUser):
c.Logger().Errorf("failed to query user by ID: '%s'", id)
data["flash"] = fmt.Sprintf("failed to query user by UUID %q", id)
p.Data = data
return c.Render(
http.StatusInternalServerError,
tmpl,
p,
)
case errors.Is(err, moduser.ErrBadUUID):
c.Logger().Errorf("Invalid UUID '%s': %q", id, err)
data["flash"] = fmt.Sprintf("invalid UUID %q", id)
p.Data = data
return c.Render(
http.StatusBadRequest,
"manage/user-details.tmpl",
p,
)
}
c.Logger().Errorf("UUID-related issue for UUID '%s': %q", id, err)
return renderErrorPage(
c,
http.StatusInternalServerError,
http.StatusText(http.StatusInternalServerError),
err.Error(),
)
}
data["user"] = usr
p.Data = data
return c.Render(
http.StatusOK,
tmpl,
p,
)
}
}
//nolint:dupl
func UpdateUser() echo.HandlerFunc { //nolint:gocognit
return func(c echo.Context) error {
addHeaders(c)
u, ok := c.Get("sessUsr").(moduser.User)
if !ok {
return renderErrorPage(
c,
http.StatusUnauthorized,
http.StatusText(http.StatusUnauthorized),
"username was nil",
)
}
if !u.IsAdmin {
c.Logger().Debug("this is a restricted endpoint")
status := http.StatusUnauthorized
msg := http.StatusText(status)
return renderErrorPage(
c, status, msg+": You should not be here", "Restricted endpoint",
)
}
ctx, ok := c.Get("sloggerCtx").(context.Context)
if !ok {
ctx = context.WithValue(context.Background(), moduser.CtxKey{}, slogger)
}
tmpl := "manage/user-edit.tmpl"
data := make(map[string]any)
id := strings.TrimPrefix(strings.TrimSuffix(c.Request().URL.Path, "/update"), "/manage/users/")
p := newPage()
p.Title = "Manage Users - Edit User"
p.Current = "manage-users-edit-user"
p.User = u
usr, err := getUserByID(ctx, dbclient, id)
if err != nil {
switch {
case errors.Is(err, moduser.ErrUserNotFound):
c.Logger().Errorf("user not found by ID: '%s'", id)
data["flash"] = fmt.Sprintf("No user found with the UUID: %q", id)
p.Data = data
return c.Render(
http.StatusNotFound,
tmpl,
p,
)
case errors.Is(err, moduser.ErrFailedToQueryUser):
c.Logger().Errorf("failed to query user by ID: '%s'", id)
data["flash"] = fmt.Sprintf("failed to query user by UUID %q", id)
p.Data = data
return c.Render(
http.StatusInternalServerError,
tmpl,
p,
)
case errors.Is(err, moduser.ErrBadUUID):
c.Logger().Errorf("Invalid UUID '%s': %q", id, err)
data["flash"] = fmt.Sprintf("invalid UUID %q", id)
p.Data = data
return c.Render(
http.StatusBadRequest,
"manage/user-details.tmpl",
p,
)
}
c.Logger().Errorf("UUID-related issue for UUID '%s': %q", id, err)
return renderErrorPage(
c,
http.StatusInternalServerError,
http.StatusText(http.StatusInternalServerError),
err.Error(),
)
}
uu := new(userCreate)
if err := c.Bind(uu); err != nil {
return renderErrorPage(
c,
http.StatusBadRequest,
http.StatusText(http.StatusBadRequest),
err.Error(),
)
}
f, err := moduser.UsrFinishedSetup(ctx, dbclient, usr.ID)
if err != nil {
return renderErrorPage(
c,
http.StatusInternalServerError,
http.StatusText(http.StatusInternalServerError),
err.Error(),
)
}
if f {
if uu.Username == "" {
c.Logger().Error("username not set, returning to /manage/users/edit")
msg := "Error: the username needs to be set"
data["flash"] = msg
data["form"] = uu
p.Data = data
return c.Render(
http.StatusBadRequest,
"manage/user-edit.tmpl",
p,
)
}
} else {
if uu.Username == "" || uu.Password == "" || uu.RepeatPassword == "" || uu.Password != uu.RepeatPassword {
c.Logger().Error("username or password not set, returning to /manage/users/edit")
msg := "Error: both username and password need to be set"
if uu.Password != uu.RepeatPassword {
msg += "; the same password needs to be passed in twice"
}
data["flash"] = msg
data["form"] = uu
p.Data = data
return c.Render(
http.StatusBadRequest,
"manage/user-edit.tmpl",
p,
)
}
}
if err := c.Validate(uu); err != nil {
return renderErrorPage(
c,
http.StatusBadRequest,
http.StatusText(http.StatusBadRequest)+" - "+ErrValidationFailed.Error(),
err.Error(),
)
}
if usr.Username != uu.Username {
exists, err := moduser.UsernameExists(ctx, dbclient, uu.Username)
if err != nil {
return renderErrorPage(
c,
http.StatusInternalServerError,
http.StatusText(http.StatusInternalServerError),
err.Error(),
)
}
if exists {
msg := fmt.Sprintf("Error: username %q is already taken", uu.Username)
c.Logger().Warn(msg)
data["flash"] = msg
p.Data = data
return c.Render(
http.StatusBadRequest,
"manage/user-edit.tmpl",
p,
)
}
}
if usr.Email != uu.Email {
exists, err := moduser.EmailExists(ctx, dbclient, uu.Email)
if err != nil {
return renderErrorPage(
c,
http.StatusInternalServerError,
http.StatusText(http.StatusInternalServerError),
err.Error(),
)
}
if exists {
msg := fmt.Sprintf("Error: email %q is already taken", uu.Email)
c.Logger().Error(msg)
return renderErrorPage(
c,
http.StatusBadRequest,
msg,
msg,
)
}
}
// now update
err = moduser.UpdateUserByAdmin(
ctx, dbclient,
usr.ID, uu.Email, uu.Username, uu.Password, uu.IsAdmin, uu.IsActive,
)
if err != nil {
return renderErrorPage(
c,
http.StatusInternalServerError,
http.StatusText(http.StatusInternalServerError),
err.Error(),
)
}
data["user"] = usr
p.Data = data
if sess, ok := c.Get("sess").(*sessions.Session); ok {
sess.Values["flash"] = fmt.Sprintf("Successfully updated user %q", uu.Username)
_ = sess.Save(c.Request(), c.Response())
}
return c.Redirect(http.StatusSeeOther, fmt.Sprintf("/manage/users/%s", usr.ID))
}
}
// DeleteUserConfirmation displays user deletion confirmation confirmation page.
func DeleteUserConfirmation() echo.HandlerFunc {
return func(c echo.Context) error {
addHeaders(c)
u, ok := c.Get("sessUsr").(moduser.User)
if !ok {
return renderErrorPage(
c,
http.StatusUnauthorized,
http.StatusText(http.StatusUnauthorized),
"username was nil",
)
} else if !u.IsAdmin {
status := http.StatusUnauthorized
msg := http.StatusText(status)
return renderErrorPage(
c, status, msg+": You should not be here", "Restricted endpoint",
)
}
ctx, ok := c.Get("sloggerCtx").(context.Context)
if !ok {
ctx = context.WithValue(context.Background(), moduser.CtxKey{}, slogger)
}
csrf := c.Get("csrf").(string)
tmpl := "manage/user-delete.tmpl"
data := make(map[string]any)
id := strings.TrimPrefix(strings.TrimSuffix(c.Request().URL.Path, "/delete"), "/manage/users/")
p := newPage()
p.Title = "Manage Users - Delete User"
p.Current = "manage-users-delete-user"
p.CSRF = csrf
p.User = u
usr, err := getUserByID(ctx, dbclient, id)
if err != nil { // nolint:dupl
switch {
case errors.Is(err, moduser.ErrUserNotFound):
c.Logger().Errorf("user not found by ID: '%s'", id)
data["flash"] = fmt.Sprintf("No user found with the UUID: %q", id)
p.Data = data
return c.Render(
http.StatusNotFound,
tmpl,
p,
)
case errors.Is(err, moduser.ErrFailedToQueryUser):
c.Logger().Errorf("failed to query user by ID: '%s'", id)
data["flash"] = fmt.Sprintf("failed to query user by UUID %q", id)
p.Data = data
return c.Render(
http.StatusInternalServerError,
tmpl,
p,
)
case errors.Is(err, moduser.ErrBadUUID):
c.Logger().Errorf("Invalid UUID '%s': %q", id, err)
data["flash"] = fmt.Sprintf("invalid UUID %q", id)
p.Data = data
return c.Render(
http.StatusBadRequest,
"manage/user-details.tmpl",
p,
)
}
c.Logger().Errorf("UUID-related issue for UUID '%s': %q", id, err)
return renderErrorPage(
c,
http.StatusInternalServerError,
http.StatusText(http.StatusInternalServerError),
err.Error(),
)
}
data["user"] = usr
p.Data = data
return c.Render(
http.StatusOK,
tmpl,
p,
)
}
}
// DeleteUser handles user deletion POST requests.
func DeleteUser() echo.HandlerFunc {
return func(c echo.Context) error {
addHeaders(c)
u, ok := c.Get("sessUsr").(moduser.User)
if !ok {
return renderErrorPage(
c,
http.StatusUnauthorized,
http.StatusText(http.StatusUnauthorized),
"username was nil",
)
} else if !u.IsAdmin {
status := http.StatusUnauthorized
msg := http.StatusText(status)
return renderErrorPage(
c, status, msg+": You should not be here", "Restricted endpoint",
)
}
ctx, ok := c.Get("sloggerCtx").(context.Context)
if !ok {
ctx = context.WithValue(context.Background(), moduser.CtxKey{}, slogger)
}
id := strings.TrimPrefix(strings.TrimSuffix(c.Request().URL.Path, "/delete"), "/manage/users/")
usr, err := getUserByID(ctx, dbclient, id)
if err != nil {
switch {
case errors.Is(err, moduser.ErrUserNotFound):
c.Logger().Errorf("user not found by ID: '%s'", id)
if sess, ok := c.Get("sess").(*sessions.Session); ok {
sess.Values["flash"] = fmt.Sprintf("Error: Could not delete user - no user found with UUID %q", id)
_ = sess.Save(c.Request(), c.Response())
}
return c.Redirect(http.StatusSeeOther, "/manage/users")
case errors.Is(err, moduser.ErrFailedToQueryUser):
c.Logger().Errorf("failed to query user by ID: '%s'", id)
if sess, ok := c.Get("sess").(*sessions.Session); ok {
sess.Values["flash"] = fmt.Sprintf("failed to query user by UUID %q", id)
_ = sess.Save(c.Request(), c.Response())
}
return c.Redirect(http.StatusSeeOther, "/manage/users")
case errors.Is(err, moduser.ErrBadUUID):
c.Logger().Errorf("Invalid UUID '%s': %q", id, err)
if sess, ok := c.Get("sess").(*sessions.Session); ok {
sess.Values["flash"] = fmt.Sprintf("invalid UUID %q", id)
_ = sess.Save(c.Request(), c.Response())
}
return c.Redirect(http.StatusSeeOther, c.Request().URL.String())
}
c.Logger().Errorf("Encountered a UUID-related issue for UUID '%s': %q", id, err)
return renderErrorPage(
c,
http.StatusInternalServerError,
http.StatusText(http.StatusInternalServerError),
err.Error(),
)
}
if err = moduser.DeleteUserByID(ctx, dbclient, usr.ID.String()); err != nil {
c.Logger().Errorf("Could not delete user (id: %q), error: %q", id, err)
return renderErrorPage(
c,
http.StatusInternalServerError,
http.StatusText(http.StatusInternalServerError),
err.Error(),
)
}
if sess, ok := c.Get("sess").(*sessions.Session); ok {
sess.Values["flash"] = fmt.Sprintf("Successfully deleted user %q!", usr.Username)
_ = sess.Save(c.Request(), c.Response())
}
return c.Redirect(http.StatusSeeOther, "/manage/users")
}
}