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https://github.com/go-gitea/gitea
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dd12384f22
* Fix --port setting Unfortunately there was an error in #13195 which set the --port option before the settings were read. This PR fixes this by moving applying this option to after the the settings are read However, on looking further into this code I believe that the setPort code was slightly odd. Firstly, it may make sense to run the install page on a different temporary port to the full system and this should be possible with a --install-port option. Secondy, if the --port option is provided we should apply it to both otherwise there will be unusual behaviour on graceful restart Thirdly, the documentation for --port says that the setting is temporary - it should therefore not save its result to the configuration (This however, does mean that authorized_keys and internal links may not be correct. - I think we need to discuss this option further.) Fix #13277 Signed-off-by: Andrew Thornton <art27@cantab.net> * Update cmd/web.go * Apply suggestions from code review Co-authored-by: techknowlogick <techknowlogick@gitea.io>
271 lines
7.6 KiB
Go
271 lines
7.6 KiB
Go
// Copyright 2014 The Gogs 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 cmd
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import (
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"context"
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"fmt"
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"net"
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"net/http"
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_ "net/http/pprof" // Used for debugging if enabled and a web server is running
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"os"
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"strings"
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"code.gitea.io/gitea/modules/graceful"
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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/routers"
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"code.gitea.io/gitea/routers/routes"
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"gitea.com/macaron/macaron"
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context2 "github.com/gorilla/context"
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"github.com/unknwon/com"
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"github.com/urfave/cli"
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"golang.org/x/crypto/acme/autocert"
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ini "gopkg.in/ini.v1"
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)
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// CmdWeb represents the available web sub-command.
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var CmdWeb = cli.Command{
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Name: "web",
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Usage: "Start Gitea web server",
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Description: `Gitea web server is the only thing you need to run,
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and it takes care of all the other things for you`,
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Action: runWeb,
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Flags: []cli.Flag{
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cli.StringFlag{
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Name: "port, p",
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Value: "3000",
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Usage: "Temporary port number to prevent conflict",
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},
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cli.StringFlag{
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Name: "install-port",
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Value: "3000",
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Usage: "Temporary port number to run the install page on to prevent conflict",
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},
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cli.StringFlag{
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Name: "pid, P",
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Value: setting.PIDFile,
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Usage: "Custom pid file path",
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},
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},
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}
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func runHTTPRedirector() {
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source := fmt.Sprintf("%s:%s", setting.HTTPAddr, setting.PortToRedirect)
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dest := strings.TrimSuffix(setting.AppURL, "/")
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log.Info("Redirecting: %s to %s", source, dest)
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handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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target := dest + r.URL.Path
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if len(r.URL.RawQuery) > 0 {
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target += "?" + r.URL.RawQuery
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}
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http.Redirect(w, r, target, http.StatusTemporaryRedirect)
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})
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var err = runHTTP("tcp", source, context2.ClearHandler(handler))
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if err != nil {
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log.Fatal("Failed to start port redirection: %v", err)
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}
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}
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func runLetsEncrypt(listenAddr, domain, directory, email string, m http.Handler) error {
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certManager := autocert.Manager{
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Prompt: autocert.AcceptTOS,
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HostPolicy: autocert.HostWhitelist(domain),
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Cache: autocert.DirCache(directory),
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Email: email,
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}
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go func() {
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log.Info("Running Let's Encrypt handler on %s", setting.HTTPAddr+":"+setting.PortToRedirect)
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// all traffic coming into HTTP will be redirect to HTTPS automatically (LE HTTP-01 validation happens here)
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var err = runHTTP("tcp", setting.HTTPAddr+":"+setting.PortToRedirect, certManager.HTTPHandler(http.HandlerFunc(runLetsEncryptFallbackHandler)))
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if err != nil {
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log.Fatal("Failed to start the Let's Encrypt handler on port %s: %v", setting.PortToRedirect, err)
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}
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}()
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return runHTTPSWithTLSConfig("tcp", listenAddr, certManager.TLSConfig(), context2.ClearHandler(m))
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}
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func runLetsEncryptFallbackHandler(w http.ResponseWriter, r *http.Request) {
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if r.Method != "GET" && r.Method != "HEAD" {
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http.Error(w, "Use HTTPS", http.StatusBadRequest)
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return
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}
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// Remove the trailing slash at the end of setting.AppURL, the request
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// URI always contains a leading slash, which would result in a double
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// slash
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target := strings.TrimSuffix(setting.AppURL, "/") + r.URL.RequestURI()
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http.Redirect(w, r, target, http.StatusFound)
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}
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func runWeb(ctx *cli.Context) error {
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managerCtx, cancel := context.WithCancel(context.Background())
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graceful.InitManager(managerCtx)
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defer cancel()
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if os.Getppid() > 1 && len(os.Getenv("LISTEN_FDS")) > 0 {
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log.Info("Restarting Gitea on PID: %d from parent PID: %d", os.Getpid(), os.Getppid())
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} else {
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log.Info("Starting Gitea on PID: %d", os.Getpid())
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}
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// Set pid file setting
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if ctx.IsSet("pid") {
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setting.PIDFile = ctx.String("pid")
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setting.WritePIDFile = true
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}
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// Perform pre-initialization
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needsInstall := routers.PreInstallInit(graceful.GetManager().HammerContext())
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if needsInstall {
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// Flag for port number in case first time run conflict
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if ctx.IsSet("port") {
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if err := setPort(ctx.String("port")); err != nil {
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return err
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}
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}
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if ctx.IsSet("install-port") {
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if err := setPort(ctx.String("install-port")); err != nil {
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return err
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}
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}
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m := routes.NewMacaron()
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routes.RegisterInstallRoute(m)
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err := listen(m, false)
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select {
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case <-graceful.GetManager().IsShutdown():
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<-graceful.GetManager().Done()
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log.Info("PID: %d Gitea Web Finished", os.Getpid())
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log.Close()
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return err
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default:
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}
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} else {
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NoInstallListener()
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}
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if setting.EnablePprof {
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go func() {
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log.Info("Starting pprof server on localhost:6060")
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log.Info("%v", http.ListenAndServe("localhost:6060", nil))
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}()
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}
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log.Info("Global init")
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// Perform global initialization
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routers.GlobalInit(graceful.GetManager().HammerContext())
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// Override the provided port number within the configuration
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if ctx.IsSet("port") {
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if err := setPort(ctx.String("port")); err != nil {
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return err
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}
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}
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// Set up Macaron
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m := routes.NewMacaron()
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routes.RegisterRoutes(m)
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err := listen(m, true)
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<-graceful.GetManager().Done()
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log.Info("PID: %d Gitea Web Finished", os.Getpid())
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log.Close()
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return err
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}
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func setPort(port string) error {
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setting.AppURL = strings.Replace(setting.AppURL, setting.HTTPPort, port, 1)
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setting.HTTPPort = port
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switch setting.Protocol {
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case setting.UnixSocket:
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case setting.FCGI:
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case setting.FCGIUnix:
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default:
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// Save LOCAL_ROOT_URL if port changed
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cfg := ini.Empty()
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if com.IsFile(setting.CustomConf) {
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// Keeps custom settings if there is already something.
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if err := cfg.Append(setting.CustomConf); err != nil {
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return fmt.Errorf("Failed to load custom conf '%s': %v", setting.CustomConf, err)
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}
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}
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defaultLocalURL := string(setting.Protocol) + "://"
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if setting.HTTPAddr == "0.0.0.0" {
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defaultLocalURL += "localhost"
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} else {
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defaultLocalURL += setting.HTTPAddr
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}
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defaultLocalURL += ":" + setting.HTTPPort + "/"
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cfg.Section("server").Key("LOCAL_ROOT_URL").SetValue(defaultLocalURL)
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if err := cfg.SaveTo(setting.CustomConf); err != nil {
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return fmt.Errorf("Error saving generated JWT Secret to custom config: %v", err)
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}
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}
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return nil
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}
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func listen(m *macaron.Macaron, handleRedirector bool) error {
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listenAddr := setting.HTTPAddr
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if setting.Protocol != setting.UnixSocket && setting.Protocol != setting.FCGIUnix {
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listenAddr = net.JoinHostPort(listenAddr, setting.HTTPPort)
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}
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log.Info("Listen: %v://%s%s", setting.Protocol, listenAddr, setting.AppSubURL)
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if setting.LFS.StartServer {
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log.Info("LFS server enabled")
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}
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var err error
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switch setting.Protocol {
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case setting.HTTP:
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if handleRedirector {
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NoHTTPRedirector()
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}
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err = runHTTP("tcp", listenAddr, context2.ClearHandler(m))
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case setting.HTTPS:
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if setting.EnableLetsEncrypt {
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err = runLetsEncrypt(listenAddr, setting.Domain, setting.LetsEncryptDirectory, setting.LetsEncryptEmail, context2.ClearHandler(m))
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break
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}
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if handleRedirector {
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if setting.RedirectOtherPort {
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go runHTTPRedirector()
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} else {
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NoHTTPRedirector()
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}
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}
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err = runHTTPS("tcp", listenAddr, setting.CertFile, setting.KeyFile, context2.ClearHandler(m))
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case setting.FCGI:
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if handleRedirector {
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NoHTTPRedirector()
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}
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err = runFCGI("tcp", listenAddr, context2.ClearHandler(m))
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case setting.UnixSocket:
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if handleRedirector {
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NoHTTPRedirector()
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}
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err = runHTTP("unix", listenAddr, context2.ClearHandler(m))
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case setting.FCGIUnix:
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if handleRedirector {
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NoHTTPRedirector()
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}
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err = runFCGI("unix", listenAddr, context2.ClearHandler(m))
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default:
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log.Fatal("Invalid protocol: %s", setting.Protocol)
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}
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if err != nil {
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log.Critical("Failed to start server: %v", err)
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}
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log.Info("HTTP Listener: %s Closed", listenAddr)
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return err
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}
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