273 lines
8 KiB
Go
273 lines
8 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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"os"
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"strings"
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_ "net/http/pprof" // Used for debugging if enabled and a web server is running
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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/process"
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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/install"
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"github.com/felixge/fgprof"
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"github.com/urfave/cli"
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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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cli.BoolFlag{
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Name: "quiet, q",
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Usage: "Only display Fatal logging errors until logging is set-up",
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},
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cli.BoolFlag{
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Name: "verbose",
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Usage: "Set initial logging to TRACE level until logging is properly set-up",
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},
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},
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}
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func runHTTPRedirector() {
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_, _, finished := process.GetManager().AddTypedContext(graceful.GetManager().HammerContext(), "Web: HTTP Redirector", process.SystemProcessType, true)
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defer finished()
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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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err := runHTTP("tcp", source, "HTTP Redirector", 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 runWeb(ctx *cli.Context) error {
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if ctx.Bool("verbose") {
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_ = log.DelLogger("console")
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log.NewLogger(0, "console", "console", fmt.Sprintf(`{"level": "trace", "colorize": %t, "stacktraceLevel": "none"}`, log.CanColorStdout))
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} else if ctx.Bool("quiet") {
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_ = log.DelLogger("console")
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log.NewLogger(0, "console", "console", fmt.Sprintf(`{"level": "fatal", "colorize": %t, "stacktraceLevel": "none"}`, log.CanColorStdout))
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}
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defer func() {
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if panicked := recover(); panicked != nil {
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log.Fatal("PANIC: %v\n%s", panicked, log.Stack(2))
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}
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}()
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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 := install.PreloadSettings(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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c := install.Routes()
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err := listen(c, false)
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if err != nil {
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log.Critical("Unable to open listener for installer. Is Gitea already running?")
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graceful.GetManager().DoGracefulShutdown()
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}
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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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http.DefaultServeMux.Handle("/debug/fgprof", fgprof.Handler())
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_, _, finished := process.GetManager().AddTypedContext(context.Background(), "Web: PProf Server", process.SystemProcessType, true)
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// The pprof server is for debug purpose only, it shouldn't be exposed on public network. At the moment it's not worth to introduce a configurable option for it.
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log.Info("Starting pprof server on localhost:6060")
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log.Info("Stopped pprof server: %v", http.ListenAndServe("localhost:6060", nil))
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finished()
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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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setting.LoadFromExisting()
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routers.GlobalInitInstalled(graceful.GetManager().HammerContext())
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// We check that AppDataPath exists here (it should have been created during installation)
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// We can't check it in `GlobalInitInstalled`, because some integration tests
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// use cmd -> GlobalInitInstalled, but the AppDataPath doesn't exist during those tests.
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if _, err := os.Stat(setting.AppDataPath); err != nil {
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log.Fatal("Can not find APP_DATA_PATH '%s'", setting.AppDataPath)
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}
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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 Chi routes
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c := routers.NormalRoutes()
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err := listen(c, 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.HTTPUnix:
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case setting.FCGI:
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case setting.FCGIUnix:
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default:
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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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// Save LOCAL_ROOT_URL if port changed
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setting.CreateOrAppendToCustomConf(func(cfg *ini.File) {
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cfg.Section("server").Key("LOCAL_ROOT_URL").SetValue(defaultLocalURL)
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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 http.Handler, handleRedirector bool) error {
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listenAddr := setting.HTTPAddr
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if setting.Protocol != setting.HTTPUnix && setting.Protocol != setting.FCGIUnix {
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listenAddr = net.JoinHostPort(listenAddr, setting.HTTPPort)
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}
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_, _, finished := process.GetManager().AddTypedContext(graceful.GetManager().HammerContext(), "Web: Gitea Server", process.SystemProcessType, true)
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defer finished()
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log.Info("Listen: %v://%s%s", setting.Protocol, listenAddr, setting.AppSubURL)
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// This can be useful for users, many users do wrong to their config and get strange behaviors behind a reverse-proxy.
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// A user may fix the configuration mistake when he sees this log.
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// And this is also very helpful to maintainers to provide help to users to resolve their configuration problems.
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log.Info("AppURL(ROOT_URL): %s", setting.AppURL)
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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, "Web", m)
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case setting.HTTPS:
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if setting.EnableAcme {
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err = runACME(listenAddr, m)
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break
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} else {
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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, "Web", setting.CertFile, setting.KeyFile, m)
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}
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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, "FCGI Web", m)
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case setting.HTTPUnix:
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if handleRedirector {
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NoHTTPRedirector()
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}
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err = runHTTP("unix", listenAddr, "Web", 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, "Web", 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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