mirror of
https://github.com/go-gitea/gitea.git
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310 lines
8.4 KiB
Go
310 lines
8.4 KiB
Go
// Copyright 2020 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package routes
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import (
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"bytes"
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"errors"
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"fmt"
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"io"
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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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"text/template"
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"time"
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"code.gitea.io/gitea/modules/context"
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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/metrics"
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"code.gitea.io/gitea/modules/public"
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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/routers"
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"gitea.com/go-chi/session"
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"github.com/go-chi/chi"
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"github.com/go-chi/chi/middleware"
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"github.com/prometheus/client_golang/prometheus"
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)
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type routerLoggerOptions struct {
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req *http.Request
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Identity *string
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Start *time.Time
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ResponseWriter http.ResponseWriter
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}
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// SignedUserName returns signed user's name via context
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// FIXME currently no any data stored on chi.Context but macaron.Context, so this will
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// return "" before we remove macaron totally
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func SignedUserName(req *http.Request) string {
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if v, ok := req.Context().Value("SignedUserName").(string); ok {
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return v
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}
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return ""
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}
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func setupAccessLogger(c chi.Router) {
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logger := log.GetLogger("access")
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logTemplate, _ := template.New("log").Parse(setting.AccessLogTemplate)
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c.Use(func(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
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start := time.Now()
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next.ServeHTTP(w, req)
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identity := "-"
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if val := SignedUserName(req); val != "" {
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identity = val
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}
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rw := w
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buf := bytes.NewBuffer([]byte{})
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err := logTemplate.Execute(buf, routerLoggerOptions{
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req: req,
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Identity: &identity,
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Start: &start,
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ResponseWriter: rw,
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})
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if err != nil {
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log.Error("Could not set up macaron access logger: %v", err.Error())
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}
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err = logger.SendLog(log.INFO, "", "", 0, buf.String(), "")
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if err != nil {
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log.Error("Could not set up macaron access logger: %v", err.Error())
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}
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})
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})
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}
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// LoggerHandler is a handler that will log the routing to the default gitea log
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func LoggerHandler(level log.Level) func(next http.Handler) http.Handler {
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return func(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
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start := time.Now()
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_ = log.GetLogger("router").Log(0, level, "Started %s %s for %s", log.ColoredMethod(req.Method), req.URL.RequestURI(), req.RemoteAddr)
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next.ServeHTTP(w, req)
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var status int
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if v, ok := w.(context.ResponseWriter); ok {
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status = v.Status()
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}
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_ = log.GetLogger("router").Log(0, level, "Completed %s %s %v %s in %v", log.ColoredMethod(req.Method), req.URL.RequestURI(), log.ColoredStatus(status), log.ColoredStatus(status, http.StatusText(status)), log.ColoredTime(time.Since(start)))
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})
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}
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}
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func storageHandler(storageSetting setting.Storage, prefix string, objStore storage.ObjectStorage) func(next http.Handler) http.Handler {
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return func(next http.Handler) http.Handler {
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if storageSetting.ServeDirect {
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return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
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if req.Method != "GET" && req.Method != "HEAD" {
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next.ServeHTTP(w, req)
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return
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}
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if !strings.HasPrefix(req.URL.RequestURI(), "/"+prefix) {
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next.ServeHTTP(w, req)
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return
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}
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rPath := strings.TrimPrefix(req.URL.RequestURI(), "/"+prefix)
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u, err := objStore.URL(rPath, path.Base(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, "file not found", 404)
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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), 500)
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return
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}
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http.Redirect(
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w,
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req,
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u.String(),
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301,
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)
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})
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}
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return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
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if req.Method != "GET" && req.Method != "HEAD" {
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next.ServeHTTP(w, req)
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return
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}
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if !strings.HasPrefix(req.URL.RequestURI(), "/"+prefix) {
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next.ServeHTTP(w, req)
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return
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}
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rPath := strings.TrimPrefix(req.URL.RequestURI(), "/"+prefix)
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rPath = strings.TrimPrefix(rPath, "/")
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fi, err := objStore.Stat(rPath)
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if err == nil && httpcache.HandleTimeCache(req, w, fi) {
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return
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}
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//If we have matched and access to release or issue
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fr, err := objStore.Open(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, "file not found", 404)
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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), 500)
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return
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}
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defer fr.Close()
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_, err = io.Copy(w, fr)
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if err != nil {
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log.Error("Error whilst rendering %s %s. Error: %v", prefix, rPath, err)
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http.Error(w, fmt.Sprintf("Error whilst rendering %s %s", prefix, rPath), 500)
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return
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}
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})
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}
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}
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var (
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sessionManager *session.Manager
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)
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// NewChi creates a chi Router
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func NewChi() chi.Router {
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c := chi.NewRouter()
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c.Use(func(next http.Handler) http.Handler {
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return http.HandlerFunc(func(resp http.ResponseWriter, req *http.Request) {
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next.ServeHTTP(context.NewResponse(resp), req)
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})
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})
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c.Use(middleware.RealIP)
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if !setting.DisableRouterLog && setting.RouterLogLevel != log.NONE {
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if log.GetLogger("router").GetLevel() <= setting.RouterLogLevel {
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c.Use(LoggerHandler(setting.RouterLogLevel))
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}
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}
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var opt = session.Options{
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Provider: setting.SessionConfig.Provider,
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ProviderConfig: setting.SessionConfig.ProviderConfig,
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CookieName: setting.SessionConfig.CookieName,
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CookiePath: setting.SessionConfig.CookiePath,
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Gclifetime: setting.SessionConfig.Gclifetime,
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Maxlifetime: setting.SessionConfig.Maxlifetime,
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Secure: setting.SessionConfig.Secure,
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Domain: setting.SessionConfig.Domain,
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}
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opt = session.PrepareOptions([]session.Options{opt})
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var err error
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sessionManager, err = session.NewManager(opt.Provider, opt)
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if err != nil {
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panic(err)
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}
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c.Use(Recovery())
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if setting.EnableAccessLog {
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setupAccessLogger(c)
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}
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c.Use(public.Custom(
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&public.Options{
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SkipLogging: setting.DisableRouterLog,
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},
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))
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c.Use(public.Static(
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&public.Options{
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Directory: path.Join(setting.StaticRootPath, "public"),
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SkipLogging: setting.DisableRouterLog,
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},
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))
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c.Use(storageHandler(setting.Avatar.Storage, "avatars", storage.Avatars))
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c.Use(storageHandler(setting.RepoAvatar.Storage, "repo-avatars", storage.RepoAvatars))
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return c
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}
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// RegisterInstallRoute registers the install routes
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func RegisterInstallRoute(c chi.Router) {
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m := NewMacaron()
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RegisterMacaronInstallRoute(m)
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// We need at least one handler in chi so that it does not drop
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// our middleware: https://github.com/go-gitea/gitea/issues/13725#issuecomment-735244395
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c.Get("/", func(w http.ResponseWriter, req *http.Request) {
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m.ServeHTTP(w, req)
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})
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c.NotFound(func(w http.ResponseWriter, req *http.Request) {
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m.ServeHTTP(w, req)
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})
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c.MethodNotAllowed(func(w http.ResponseWriter, req *http.Request) {
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m.ServeHTTP(w, req)
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})
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}
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// NormalRoutes represents non install routes
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func NormalRoutes() http.Handler {
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r := chi.NewRouter()
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// for health check
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r.Head("/", func(w http.ResponseWriter, req *http.Request) {
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w.WriteHeader(http.StatusOK)
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})
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if setting.HasRobotsTxt {
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r.Get("/robots.txt", func(w http.ResponseWriter, req *http.Request) {
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filePath := path.Join(setting.CustomPath, "robots.txt")
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fi, err := os.Stat(filePath)
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if err == nil && httpcache.HandleTimeCache(req, w, fi) {
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return
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}
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http.ServeFile(w, req, filePath)
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})
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}
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r.Get("/apple-touch-icon.png", func(w http.ResponseWriter, req *http.Request) {
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http.Redirect(w, req, path.Join(setting.StaticURLPrefix, "img/apple-touch-icon.png"), 301)
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})
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// prometheus metrics endpoint
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if setting.Metrics.Enabled {
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c := metrics.NewCollector()
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prometheus.MustRegister(c)
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r.Get("/metrics", routers.Metrics)
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}
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return r
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}
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// DelegateToMacaron delegates other routes to macaron
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func DelegateToMacaron(r chi.Router) {
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m := NewMacaron()
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RegisterMacaronRoutes(m)
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r.NotFound(func(w http.ResponseWriter, req *http.Request) {
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m.ServeHTTP(w, req)
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})
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r.MethodNotAllowed(func(w http.ResponseWriter, req *http.Request) {
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m.ServeHTTP(w, req)
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})
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}
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