mirror of
https://codeberg.org/forgejo/forgejo.git
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5d77691d42
Partially for #24457 Major changes: 1. The old `signedUserNameStringPointerKey` is quite hacky, use `ctx.Data[SignedUser]` instead 2. Move duplicate code from `Contexter` to `CommonTemplateContextData` 3. Remove incorrect copying&pasting code `ctx.Data["Err_Password"] = true` in API handlers 4. Use one unique `RenderPanicErrorPage` for panic error page rendering 5. Move `stripSlashesMiddleware` to be the first middleware 6. Install global panic recovery handler, it works for both `install` and `web` 7. Make `500.tmpl` only depend minimal template functions/variables, avoid triggering new panics Screenshot: <details> ![image](https://user-images.githubusercontent.com/2114189/235444895-cecbabb8-e7dc-4360-a31c-b982d11946a7.png) </details>
239 lines
7.2 KiB
Go
239 lines
7.2 KiB
Go
// Copyright 2022 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package auth
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import (
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"net/http"
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"strings"
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"code.gitea.io/gitea/models/auth"
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"code.gitea.io/gitea/modules/context"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/web/middleware"
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)
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// Auth is a middleware to authenticate a web user
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func Auth(authMethod Method) func(*context.Context) {
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return func(ctx *context.Context) {
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if err := authShared(ctx, authMethod); err != nil {
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log.Error("Failed to verify user: %v", err)
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ctx.Error(http.StatusUnauthorized, "Verify")
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return
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}
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if ctx.Doer == nil {
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// ensure the session uid is deleted
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_ = ctx.Session.Delete("uid")
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}
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}
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}
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// APIAuth is a middleware to authenticate an api user
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func APIAuth(authMethod Method) func(*context.APIContext) {
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return func(ctx *context.APIContext) {
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if err := authShared(ctx.Context, authMethod); err != nil {
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ctx.Error(http.StatusUnauthorized, "APIAuth", err)
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}
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}
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}
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func authShared(ctx *context.Context, authMethod Method) error {
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var err error
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ctx.Doer, err = authMethod.Verify(ctx.Req, ctx.Resp, ctx, ctx.Session)
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if err != nil {
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return err
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}
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if ctx.Doer != nil {
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if ctx.Locale.Language() != ctx.Doer.Language {
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ctx.Locale = middleware.Locale(ctx.Resp, ctx.Req)
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}
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ctx.IsBasicAuth = ctx.Data["AuthedMethod"].(string) == BasicMethodName
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ctx.IsSigned = true
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ctx.Data["IsSigned"] = ctx.IsSigned
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ctx.Data[middleware.ContextDataKeySignedUser] = ctx.Doer
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ctx.Data["SignedUserID"] = ctx.Doer.ID
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ctx.Data["IsAdmin"] = ctx.Doer.IsAdmin
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} else {
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ctx.Data["SignedUserID"] = int64(0)
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}
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return nil
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}
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// VerifyOptions contains required or check options
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type VerifyOptions struct {
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SignInRequired bool
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SignOutRequired bool
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AdminRequired bool
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DisableCSRF bool
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}
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// Checks authentication according to options
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func VerifyAuthWithOptions(options *VerifyOptions) func(ctx *context.Context) {
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return func(ctx *context.Context) {
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// Check prohibit login users.
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if ctx.IsSigned {
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if !ctx.Doer.IsActive && setting.Service.RegisterEmailConfirm {
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ctx.Data["Title"] = ctx.Tr("auth.active_your_account")
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ctx.HTML(http.StatusOK, "user/auth/activate")
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return
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}
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if !ctx.Doer.IsActive || ctx.Doer.ProhibitLogin {
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log.Info("Failed authentication attempt for %s from %s", ctx.Doer.Name, ctx.RemoteAddr())
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ctx.Data["Title"] = ctx.Tr("auth.prohibit_login")
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ctx.HTML(http.StatusOK, "user/auth/prohibit_login")
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return
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}
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if ctx.Doer.MustChangePassword {
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if ctx.Req.URL.Path != "/user/settings/change_password" {
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if strings.HasPrefix(ctx.Req.UserAgent(), "git") {
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ctx.Error(http.StatusUnauthorized, ctx.Tr("auth.must_change_password"))
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return
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}
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ctx.Data["Title"] = ctx.Tr("auth.must_change_password")
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ctx.Data["ChangePasscodeLink"] = setting.AppSubURL + "/user/change_password"
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if ctx.Req.URL.Path != "/user/events" {
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middleware.SetRedirectToCookie(ctx.Resp, setting.AppSubURL+ctx.Req.URL.RequestURI())
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}
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ctx.Redirect(setting.AppSubURL + "/user/settings/change_password")
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return
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}
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} else if ctx.Req.URL.Path == "/user/settings/change_password" {
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// make sure that the form cannot be accessed by users who don't need this
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ctx.Redirect(setting.AppSubURL + "/")
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return
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}
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}
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// Redirect to dashboard if user tries to visit any non-login page.
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if options.SignOutRequired && ctx.IsSigned && ctx.Req.URL.RequestURI() != "/" {
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ctx.Redirect(setting.AppSubURL + "/")
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return
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}
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if !options.SignOutRequired && !options.DisableCSRF && ctx.Req.Method == "POST" {
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ctx.Csrf.Validate(ctx)
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if ctx.Written() {
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return
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}
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}
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if options.SignInRequired {
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if !ctx.IsSigned {
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if ctx.Req.URL.Path != "/user/events" {
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middleware.SetRedirectToCookie(ctx.Resp, setting.AppSubURL+ctx.Req.URL.RequestURI())
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}
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ctx.Redirect(setting.AppSubURL + "/user/login")
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return
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} else if !ctx.Doer.IsActive && setting.Service.RegisterEmailConfirm {
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ctx.Data["Title"] = ctx.Tr("auth.active_your_account")
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ctx.HTML(http.StatusOK, "user/auth/activate")
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return
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}
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}
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// Redirect to log in page if auto-signin info is provided and has not signed in.
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if !options.SignOutRequired && !ctx.IsSigned &&
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len(ctx.GetSiteCookie(setting.CookieUserName)) > 0 {
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if ctx.Req.URL.Path != "/user/events" {
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middleware.SetRedirectToCookie(ctx.Resp, setting.AppSubURL+ctx.Req.URL.RequestURI())
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}
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ctx.Redirect(setting.AppSubURL + "/user/login")
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return
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}
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if options.AdminRequired {
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if !ctx.Doer.IsAdmin {
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ctx.Error(http.StatusForbidden)
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return
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}
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ctx.Data["PageIsAdmin"] = true
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}
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}
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}
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// Checks authentication according to options
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func VerifyAuthWithOptionsAPI(options *VerifyOptions) func(ctx *context.APIContext) {
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return func(ctx *context.APIContext) {
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// Check prohibit login users.
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if ctx.IsSigned {
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if !ctx.Doer.IsActive && setting.Service.RegisterEmailConfirm {
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ctx.Data["Title"] = ctx.Tr("auth.active_your_account")
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ctx.JSON(http.StatusForbidden, map[string]string{
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"message": "This account is not activated.",
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})
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return
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}
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if !ctx.Doer.IsActive || ctx.Doer.ProhibitLogin {
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log.Info("Failed authentication attempt for %s from %s", ctx.Doer.Name, ctx.RemoteAddr())
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ctx.Data["Title"] = ctx.Tr("auth.prohibit_login")
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ctx.JSON(http.StatusForbidden, map[string]string{
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"message": "This account is prohibited from signing in, please contact your site administrator.",
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})
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return
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}
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if ctx.Doer.MustChangePassword {
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ctx.JSON(http.StatusForbidden, map[string]string{
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"message": "You must change your password. Change it at: " + setting.AppURL + "/user/change_password",
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})
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return
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}
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}
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// Redirect to dashboard if user tries to visit any non-login page.
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if options.SignOutRequired && ctx.IsSigned && ctx.Req.URL.RequestURI() != "/" {
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ctx.Redirect(setting.AppSubURL + "/")
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return
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}
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if options.SignInRequired {
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if !ctx.IsSigned {
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// Restrict API calls with error message.
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ctx.JSON(http.StatusForbidden, map[string]string{
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"message": "Only signed in user is allowed to call APIs.",
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})
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return
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} else if !ctx.Doer.IsActive && setting.Service.RegisterEmailConfirm {
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ctx.Data["Title"] = ctx.Tr("auth.active_your_account")
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ctx.HTML(http.StatusOK, "user/auth/activate")
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return
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}
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if ctx.IsSigned && ctx.IsBasicAuth {
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if skip, ok := ctx.Data["SkipLocalTwoFA"]; ok && skip.(bool) {
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return // Skip 2FA
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}
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twofa, err := auth.GetTwoFactorByUID(ctx.Doer.ID)
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if err != nil {
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if auth.IsErrTwoFactorNotEnrolled(err) {
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return // No 2FA enrollment for this user
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}
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ctx.InternalServerError(err)
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return
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}
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otpHeader := ctx.Req.Header.Get("X-Gitea-OTP")
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ok, err := twofa.ValidateTOTP(otpHeader)
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if err != nil {
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ctx.InternalServerError(err)
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return
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}
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if !ok {
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ctx.JSON(http.StatusForbidden, map[string]string{
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"message": "Only signed in user is allowed to call APIs.",
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})
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return
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}
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}
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}
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if options.AdminRequired {
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if !ctx.Doer.IsAdmin {
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ctx.JSON(http.StatusForbidden, map[string]string{
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"message": "You have no permission to request for this.",
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})
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return
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}
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}
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}
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}
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