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https://github.com/go-gitea/gitea.git
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26d83c932a
The banner allows site operators to communicate important announcements (e.g., maintenance windows, policy updates, service notices) directly within the UI. The maintenance mode only allows admin to access the web UI. * Fix #2345 * Fix #9618 --------- Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
80 lines
2.7 KiB
Go
80 lines
2.7 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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if setting.Security.XFrameOptions != "unset" {
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w.Header().Set(`X-Frame-Options`, setting.Security.XFrameOptions)
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}
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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, and it never panics
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func RenderPanicErrorPage(w http.ResponseWriter, req *http.Request, err any) {
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combinedErr := fmt.Sprintf("%v\n%s", err, log.Stack(2))
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log.Error("PANIC: %s", 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", err, log.Stack(2))
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}
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}()
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routing.UpdatePanicError(req.Context(), err)
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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
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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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