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forgejo/routers/common/errpage.go
wxiaoguang 6ac2ade97d
Clean up template locale usage (#27856) (#27857)
Backport #27856

The only conflict is `ThemeName` in `500.tmpl`, it has been resolved
manually by keeping using old
`{{.SignedUser.Theme}}{{else}}{{DefaultTheme}}`
2023-10-31 17:35:55 +01:00

56 lines
2 KiB
Go

// 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/context"
"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)
tmplCtx := context.TemplateContext{}
tmplCtx["Locale"] = middleware.Locale(w, req)
ctxData := middleware.GetContextData(req.Context())
// 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, _ := ctxData[middleware.ContextDataKeySignedUser].(*user_model.User)
if !setting.IsProd || (user != nil && user.IsAdmin) {
ctxData["ErrorMsg"] = "PANIC: " + combinedErr
}
err = templates.HTMLRenderer().HTML(w, http.StatusInternalServerError, string(tplStatus500), ctxData, tmplCtx)
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"))
}
}