forgejo/routers/web/base.go
wxiaoguang 5bf8d5445e
Refactor Router Logger (#17308)
Make router logger more friendly, show the related function name/file/line.

[BREAKING]
This PR substantially changes the logging format of the router logger. If you use this logging for monitoring e.g. fail2ban you will need to update this to match the new format.
2022-01-20 19:41:25 +08:00

177 lines
4.9 KiB
Go

// Copyright 2020 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package web
import (
"errors"
"fmt"
"io"
"net/http"
"os"
"path"
"path/filepath"
"strings"
"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/storage"
"code.gitea.io/gitea/modules/templates"
"code.gitea.io/gitea/modules/web/middleware"
"code.gitea.io/gitea/modules/web/routing"
"code.gitea.io/gitea/services/auth"
"gitea.com/go-chi/session"
)
func storageHandler(storageSetting setting.Storage, prefix string, objStore storage.ObjectStorage) func(next http.Handler) http.Handler {
funcInfo := routing.GetFuncInfo(storageHandler, prefix)
return func(next http.Handler) http.Handler {
if storageSetting.ServeDirect {
return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
if req.Method != "GET" && req.Method != "HEAD" {
next.ServeHTTP(w, req)
return
}
if !strings.HasPrefix(req.URL.RequestURI(), "/"+prefix) {
next.ServeHTTP(w, req)
return
}
routing.UpdateFuncInfo(req.Context(), funcInfo)
rPath := strings.TrimPrefix(req.URL.RequestURI(), "/"+prefix)
u, err := objStore.URL(rPath, path.Base(rPath))
if err != nil {
if os.IsNotExist(err) || errors.Is(err, os.ErrNotExist) {
log.Warn("Unable to find %s %s", prefix, rPath)
http.Error(w, "file not found", 404)
return
}
log.Error("Error whilst getting URL for %s %s. Error: %v", prefix, rPath, err)
http.Error(w, fmt.Sprintf("Error whilst getting URL for %s %s", prefix, rPath), 500)
return
}
http.Redirect(
w,
req,
u.String(),
301,
)
})
}
return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
if req.Method != "GET" && req.Method != "HEAD" {
next.ServeHTTP(w, req)
return
}
prefix := strings.Trim(prefix, "/")
if !strings.HasPrefix(req.URL.EscapedPath(), "/"+prefix+"/") {
next.ServeHTTP(w, req)
return
}
routing.UpdateFuncInfo(req.Context(), funcInfo)
rPath := strings.TrimPrefix(req.URL.EscapedPath(), "/"+prefix+"/")
rPath = strings.TrimPrefix(rPath, "/")
if rPath == "" {
http.Error(w, "file not found", 404)
return
}
rPath = path.Clean("/" + filepath.ToSlash(rPath))
rPath = rPath[1:]
fi, err := objStore.Stat(rPath)
if err == nil && httpcache.HandleTimeCache(req, w, fi) {
return
}
//If we have matched and access to release or issue
fr, err := objStore.Open(rPath)
if err != nil {
if os.IsNotExist(err) || errors.Is(err, os.ErrNotExist) {
log.Warn("Unable to find %s %s", prefix, rPath)
http.Error(w, "file not found", 404)
return
}
log.Error("Error whilst opening %s %s. Error: %v", prefix, rPath, err)
http.Error(w, fmt.Sprintf("Error whilst opening %s %s", prefix, rPath), 500)
return
}
defer fr.Close()
_, err = io.Copy(w, fr)
if err != nil {
log.Error("Error whilst rendering %s %s. Error: %v", prefix, rPath, err)
http.Error(w, fmt.Sprintf("Error whilst rendering %s %s", prefix, rPath), 500)
return
}
})
}
}
type dataStore map[string]interface{}
func (d *dataStore) GetData() map[string]interface{} {
return *d
}
// Recovery returns a middleware that recovers from any panics and writes a 500 and a log if so.
// This error will be created with the gitea 500 page.
func Recovery() func(next http.Handler) http.Handler {
var rnd = templates.HTMLRenderer()
return func(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
defer func() {
if err := recover(); err != nil {
routing.UpdatePanicError(req.Context(), err)
combinedErr := fmt.Sprintf("PANIC: %v\n%s", err, log.Stack(2))
log.Error("%s", combinedErr)
sessionStore := session.GetSession(req)
var lc = middleware.Locale(w, req)
var store = dataStore{
"Language": lc.Language(),
"CurrentURL": setting.AppSubURL + req.URL.RequestURI(),
"i18n": lc,
}
var user = context.GetContextUser(req)
if user == nil {
// Get user from session if logged in - do not attempt to sign-in
user = auth.SessionUser(sessionStore)
}
if user != nil {
store["IsSigned"] = true
store["SignedUser"] = user
store["SignedUserID"] = user.ID
store["SignedUserName"] = user.Name
store["IsAdmin"] = user.IsAdmin
} else {
store["SignedUserID"] = int64(0)
store["SignedUserName"] = ""
}
w.Header().Set(`X-Frame-Options`, setting.CORSConfig.XFrameOptions)
if !setting.IsProd {
store["ErrorMsg"] = combinedErr
}
err = rnd.HTML(w, 500, "status/500", templates.BaseVars().Merge(store))
if err != nil {
log.Error("%v", err)
}
}
}()
next.ServeHTTP(w, req)
})
}
}