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- // Copyright 2023 The Gitea Authors. All rights reserved.
- // SPDX-License-Identifier: MIT
-
- package common
-
- import (
- "fmt"
- "net/http"
-
- user_model "code.gitea.io/gitea/models/user"
- "code.gitea.io/gitea/modules/base"
- "code.gitea.io/gitea/modules/httpcache"
- "code.gitea.io/gitea/modules/log"
- "code.gitea.io/gitea/modules/setting"
- "code.gitea.io/gitea/modules/templates"
- "code.gitea.io/gitea/modules/web/middleware"
- "code.gitea.io/gitea/modules/web/routing"
- )
-
- const tplStatus500 base.TplName = "status/500"
-
- // RenderPanicErrorPage renders a 500 page, and it never panics
- func RenderPanicErrorPage(w http.ResponseWriter, req *http.Request, err any) {
- combinedErr := fmt.Sprintf("%v\n%s", err, log.Stack(2))
- log.Error("PANIC: %s", combinedErr)
-
- defer func() {
- if err := recover(); err != nil {
- log.Error("Panic occurs again when rendering error page: %v. Stack:\n%s", err, log.Stack(2))
- }
- }()
-
- routing.UpdatePanicError(req.Context(), err)
-
- httpcache.SetCacheControlInHeader(w.Header(), 0, "no-transform")
- w.Header().Set(`X-Frame-Options`, setting.CORSConfig.XFrameOptions)
-
- data := middleware.GetContextData(req.Context())
- if data["locale"] == nil {
- data = middleware.CommonTemplateContextData()
- data["locale"] = middleware.Locale(w, req)
- }
-
- // This recovery handler could be called without Gitea's web context, so we shouldn't touch that context too much.
- // Otherwise, the 500-page may cause new panics, eg: cache.GetContextWithData, it makes the developer&users couldn't find the original panic.
- user, _ := data[middleware.ContextDataKeySignedUser].(*user_model.User)
- if !setting.IsProd || (user != nil && user.IsAdmin) {
- data["ErrorMsg"] = "PANIC: " + combinedErr
- }
-
- err = templates.HTMLRenderer().HTML(w, http.StatusInternalServerError, string(tplStatus500), data)
- if err != nil {
- log.Error("Error occurs again when rendering error page: %v", err)
- w.WriteHeader(http.StatusInternalServerError)
- _, _ = w.Write([]byte("Internal server error, please collect error logs and report to Gitea issue tracker"))
- }
- }
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