mirror of
				https://github.com/go-gitea/gitea.git
				synced 2025-11-03 23:54:25 +01:00 
			
		
		
		
	enable mirror, usestdlibbars and perfsprint part of: https://github.com/go-gitea/gitea/issues/34083 --------- Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
		
			
				
	
	
		
			101 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			101 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
// Copyright 2020 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package web
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import (
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	"errors"
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	"fmt"
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	"net/http"
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	"os"
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	"path"
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	"strings"
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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/storage"
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	"code.gitea.io/gitea/modules/util"
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	"code.gitea.io/gitea/modules/web/routing"
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)
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func avatarStorageHandler(storageSetting *setting.Storage, prefix string, objStore storage.ObjectStorage) http.HandlerFunc {
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	prefix = strings.Trim(prefix, "/")
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	funcInfo := routing.GetFuncInfo(avatarStorageHandler, prefix)
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	if storageSetting.ServeDirect() {
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		return func(w http.ResponseWriter, req *http.Request) {
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			if req.Method != http.MethodGet && req.Method != http.MethodHead {
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				http.Error(w, http.StatusText(http.StatusMethodNotAllowed), http.StatusMethodNotAllowed)
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				return
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			}
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			if !strings.HasPrefix(req.URL.Path, "/"+prefix+"/") {
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				http.Error(w, http.StatusText(http.StatusNotFound), http.StatusNotFound)
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				return
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			}
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			defer routing.RecordFuncInfo(req.Context(), funcInfo)()
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			rPath := strings.TrimPrefix(req.URL.Path, "/"+prefix+"/")
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			rPath = util.PathJoinRelX(rPath)
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			u, err := objStore.URL(rPath, path.Base(rPath), nil)
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			if err != nil {
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				if os.IsNotExist(err) || errors.Is(err, os.ErrNotExist) {
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					log.Warn("Unable to find %s %s", prefix, rPath)
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					http.Error(w, http.StatusText(http.StatusNotFound), http.StatusNotFound)
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					return
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				}
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				log.Error("Error whilst getting URL for %s %s. Error: %v", prefix, rPath, err)
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				http.Error(w, fmt.Sprintf("Error whilst getting URL for %s %s", prefix, rPath), http.StatusInternalServerError)
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				return
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			}
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			http.Redirect(w, req, u.String(), http.StatusTemporaryRedirect)
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		}
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	}
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	return func(w http.ResponseWriter, req *http.Request) {
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		if req.Method != http.MethodGet && req.Method != http.MethodHead {
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			http.Error(w, http.StatusText(http.StatusMethodNotAllowed), http.StatusMethodNotAllowed)
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			return
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		}
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		if !strings.HasPrefix(req.URL.Path, "/"+prefix+"/") {
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			http.Error(w, http.StatusText(http.StatusNotFound), http.StatusNotFound)
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			return
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		}
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		defer routing.RecordFuncInfo(req.Context(), funcInfo)()
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		rPath := strings.TrimPrefix(req.URL.Path, "/"+prefix+"/")
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		rPath = util.PathJoinRelX(rPath)
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		if rPath == "" || rPath == "." {
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			http.Error(w, http.StatusText(http.StatusNotFound), http.StatusNotFound)
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			return
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		}
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		fi, err := objStore.Stat(rPath)
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		if err != nil {
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			if os.IsNotExist(err) || errors.Is(err, os.ErrNotExist) {
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				log.Warn("Unable to find %s %s", prefix, rPath)
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				http.Error(w, http.StatusText(http.StatusNotFound), http.StatusNotFound)
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				return
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			}
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			log.Error("Error whilst opening %s %s. Error: %v", prefix, rPath, err)
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			http.Error(w, fmt.Sprintf("Error whilst opening %s %s", prefix, rPath), http.StatusInternalServerError)
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			return
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		}
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		fr, err := objStore.Open(rPath)
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		if err != nil {
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			log.Error("Error whilst opening %s %s. Error: %v", prefix, rPath, err)
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			http.Error(w, fmt.Sprintf("Error whilst opening %s %s", prefix, rPath), http.StatusInternalServerError)
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			return
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		}
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		defer fr.Close()
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		httpcache.SetCacheControlInHeader(w.Header(), httpcache.CacheControlForPublicStatic())
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		http.ServeContent(w, req, path.Base(rPath), fi.ModTime(), fr)
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	}
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}
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