mirror of https://github.com/go-gitea/gitea
57 lines
2.0 KiB
Go
57 lines
2.0 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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"fmt"
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"net/http"
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user_model "code.gitea.io/gitea/models/user"
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"code.gitea.io/gitea/modules/base"
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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/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 base.TplName = "status/500"
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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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httpcache.SetCacheControlInHeader(w.Header(), 0, "no-transform")
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w.Header().Set(`X-Frame-Options`, setting.CORSConfig.XFrameOptions)
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tmplCtx := context.TemplateContext{}
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tmplCtx["Locale"] = middleware.Locale(w, req)
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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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ctxData["ErrorMsg"] = "PANIC: " + combinedErr
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}
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err = templates.HTMLRenderer().HTML(w, http.StatusInternalServerError, string(tplStatus500), ctxData, tmplCtx)
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if err != nil {
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log.Error("Error occurs again when rendering error page: %v", err)
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w.WriteHeader(http.StatusInternalServerError)
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_, _ = w.Write([]byte("Internal server error, please collect error logs and report to Gitea issue tracker"))
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}
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}
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