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https://github.com/go-gitea/gitea.git
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6826321570
Fixes #37316. --------- Signed-off-by: SAY-5 <SAY-5@users.noreply.github.com> Co-authored-by: SAY-5 <SAY-5@users.noreply.github.com> Co-authored-by: silverwind <me@silverwind.io> Co-authored-by: Claude (Opus 4.7) <noreply@anthropic.com> Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
76 lines
2.6 KiB
Go
76 lines
2.6 KiB
Go
// Copyright 2023 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package common
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import (
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"bytes"
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"fmt"
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"io"
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"net/http"
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"strings"
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user_model "code.gitea.io/gitea/models/user"
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"code.gitea.io/gitea/modules/httpcache"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/reqctx"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/templates"
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"code.gitea.io/gitea/modules/web/middleware"
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"code.gitea.io/gitea/modules/web/routing"
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"code.gitea.io/gitea/services/context"
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)
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const tplStatus500 templates.TplName = "status/500"
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func renderServerErrorPage(w http.ResponseWriter, req *http.Request, respCode int, tmpl templates.TplName, ctxData map[string]any, plainMsg string) {
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acceptsHTML := false
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for _, part := range req.Header["Accept"] {
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if strings.Contains(part, "text/html") {
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acceptsHTML = true
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break
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}
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}
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httpcache.SetCacheControlInHeader(w.Header(), &httpcache.CacheControlOptions{NoTransform: true})
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tmplCtx := context.NewTemplateContextForWeb(reqctx.FromContext(req.Context()), req, middleware.Locale(w, req))
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w.WriteHeader(respCode)
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outBuf := &bytes.Buffer{}
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if acceptsHTML {
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err := templates.PageRenderer().HTML(outBuf, respCode, tmpl, ctxData, tmplCtx)
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if err != nil {
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_, _ = w.Write([]byte("Internal server error but failed to render error page template, please collect error logs and report to Gitea issue tracker"))
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return
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}
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} else {
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outBuf.WriteString(plainMsg)
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}
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_, _ = io.Copy(w, outBuf)
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}
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// renderPanicErrorPage renders a 500 page with the recovered panic value, it handles the stack trace, and it never panics
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func renderPanicErrorPage(w http.ResponseWriter, req *http.Request, recovered any) {
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combinedErr := fmt.Errorf("%v\n%s", recovered, log.Stack(2))
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log.Error("PANIC: %v", combinedErr)
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defer func() {
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if err := recover(); err != nil {
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log.Error("Panic occurs again when rendering error page: %v. Stack:\n%s", combinedErr, log.Stack(2))
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}
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}()
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routing.UpdatePanicError(req.Context(), combinedErr)
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plainMsg := "Internal Server Error"
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ctxData := middleware.GetContextData(req.Context())
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// This recovery handler could be called without Gitea's web context, so we shouldn't touch that context too much.
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// Otherwise, the 500-page may cause new panics, eg: cache.GetContextWithData, it makes the developer&users couldn't find the original panic.
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user, _ := ctxData[middleware.ContextDataKeySignedUser].(*user_model.User)
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if !setting.IsProd || (user != nil && user.IsAdmin) {
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plainMsg = "PANIC: " + combinedErr.Error()
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ctxData["ErrorMsg"] = plainMsg
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}
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renderServerErrorPage(w, req, http.StatusInternalServerError, tplStatus500, ctxData, plainMsg)
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}
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