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// Copyright 2014 The Gogs 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 cmd
import (
"context"
"fmt"
"net"
"net/http"
_ "net/http/pprof" // Used for debugging if enabled and a web server is running
"os"
"strings"
"code.gitea.io/gitea/modules/graceful"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/util"
"code.gitea.io/gitea/routers"
"code.gitea.io/gitea/routers/routes"
context2 "github.com/gorilla/context"
"github.com/urfave/cli"
ini "gopkg.in/ini.v1"
)
// CmdWeb represents the available web sub-command.
var CmdWeb = cli.Command{
Name: "web",
Usage: "Start Gitea web server",
Description: `Gitea web server is the only thing you need to run,
and it takes care of all the other things for you`,
Action: runWeb,
Flags: []cli.Flag{
cli.StringFlag{
Name: "port, p",
Value: "3000",
Usage: "Temporary port number to prevent conflict",
},
cli.StringFlag{
Name: "install-port",
Value: "3000",
Usage: "Temporary port number to run the install page on to prevent conflict",
},
cli.StringFlag{
Name: "pid, P",
Value: setting.PIDFile,
Usage: "Custom pid file path",
},
},
}
func runHTTPRedirector() {
source := fmt.Sprintf("%s:%s", setting.HTTPAddr, setting.PortToRedirect)
dest := strings.TrimSuffix(setting.AppURL, "/")
log.Info("Redirecting: %s to %s", source, dest)
handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
target := dest + r.URL.Path
if len(r.URL.RawQuery) > 0 {
target += "?" + r.URL.RawQuery
}
http.Redirect(w, r, target, http.StatusTemporaryRedirect)
})
var err = runHTTP("tcp", source, "HTTP Redirector", context2.ClearHandler(handler))
if err != nil {
log.Fatal("Failed to start port redirection: %v", err)
}
}
func runWeb(ctx *cli.Context) error {
managerCtx, cancel := context.WithCancel(context.Background())
graceful.InitManager(managerCtx)
defer cancel()
if os.Getppid() > 1 && len(os.Getenv("LISTEN_FDS")) > 0 {
log.Info("Restarting Gitea on PID: %d from parent PID: %d", os.Getpid(), os.Getppid())
} else {
log.Info("Starting Gitea on PID: %d", os.Getpid())
}
// Set pid file setting
if ctx.IsSet("pid") {
setting.PIDFile = ctx.String("pid")
setting.WritePIDFile = true
}
// Perform pre-initialization
needsInstall := routers.PreInstallInit(graceful.GetManager().HammerContext())
if needsInstall {
// Flag for port number in case first time run conflict
if ctx.IsSet("port") {
if err := setPort(ctx.String("port")); err != nil {
return err
}
}
if ctx.IsSet("install-port") {
if err := setPort(ctx.String("install-port")); err != nil {
return err
}
}
c := routes.InstallRoutes()
err := listen(c, false)
select {
case <-graceful.GetManager().IsShutdown():
<-graceful.GetManager().Done()
log.Info("PID: %d Gitea Web Finished", os.Getpid())
log.Close()
return err
default:
}
} else {
NoInstallListener()
}
if setting.EnablePprof {
go func() {
log.Info("Starting pprof server on localhost:6060")
log.Info("%v", http.ListenAndServe("localhost:6060", nil))
}()
}
log.Info("Global init")
// Perform global initialization
routers.GlobalInit(graceful.GetManager().HammerContext())
// Override the provided port number within the configuration
if ctx.IsSet("port") {
if err := setPort(ctx.String("port")); err != nil {
return err
}
}
// Set up Chi routes
c := routes.NormalRoutes()
err := listen(c, true)
<-graceful.GetManager().Done()
log.Info("PID: %d Gitea Web Finished", os.Getpid())
log.Close()
return err
}
func setPort(port string) error {
setting.AppURL = strings.Replace(setting.AppURL, setting.HTTPPort, port, 1)
setting.HTTPPort = port
switch setting.Protocol {
case setting.UnixSocket:
case setting.FCGI:
case setting.FCGIUnix:
default:
// Save LOCAL_ROOT_URL if port changed
cfg := ini.Empty()
isFile, err := util.IsFile(setting.CustomConf)
if err != nil {
log.Fatal("Unable to check if %s is a file", err)
}
if isFile {
// Keeps custom settings if there is already something.
if err := cfg.Append(setting.CustomConf); err != nil {
return fmt.Errorf("Failed to load custom conf '%s': %v", setting.CustomConf, err)
}
}
defaultLocalURL := string(setting.Protocol) + "://"
if setting.HTTPAddr == "0.0.0.0" {
defaultLocalURL += "localhost"
} else {
defaultLocalURL += setting.HTTPAddr
}
defaultLocalURL += ":" + setting.HTTPPort + "/"
cfg.Section("server").Key("LOCAL_ROOT_URL").SetValue(defaultLocalURL)
if err := cfg.SaveTo(setting.CustomConf); err != nil {
return fmt.Errorf("Error saving generated LOCAL_ROOT_URL to custom config: %v", err)
}
}
return nil
}
func listen(m http.Handler, handleRedirector bool) error {
listenAddr := setting.HTTPAddr
if setting.Protocol != setting.UnixSocket && setting.Protocol != setting.FCGIUnix {
listenAddr = net.JoinHostPort(listenAddr, setting.HTTPPort)
}
log.Info("Listen: %v://%s%s", setting.Protocol, listenAddr, setting.AppSubURL)
if setting.LFS.StartServer {
log.Info("LFS server enabled")
}
var err error
switch setting.Protocol {
case setting.HTTP:
if handleRedirector {
NoHTTPRedirector()
}
err = runHTTP("tcp", listenAddr, "Web", context2.ClearHandler(m))
case setting.HTTPS:
if setting.EnableLetsEncrypt {
err = runLetsEncrypt(listenAddr, setting.Domain, setting.LetsEncryptDirectory, setting.LetsEncryptEmail, context2.ClearHandler(m))
break
}
if handleRedirector {
if setting.RedirectOtherPort {
go runHTTPRedirector()
} else {
NoHTTPRedirector()
}
}
err = runHTTPS("tcp", listenAddr, "Web", setting.CertFile, setting.KeyFile, context2.ClearHandler(m))
case setting.FCGI:
if handleRedirector {
NoHTTPRedirector()
}
err = runFCGI("tcp", listenAddr, "FCGI Web", context2.ClearHandler(m))
case setting.UnixSocket:
if handleRedirector {
NoHTTPRedirector()
}
err = runHTTP("unix", listenAddr, "Web", context2.ClearHandler(m))
case setting.FCGIUnix:
if handleRedirector {
NoHTTPRedirector()
}
err = runFCGI("unix", listenAddr, "Web", context2.ClearHandler(m))
default:
log.Fatal("Invalid protocol: %s", setting.Protocol)
}
if err != nil {
log.Critical("Failed to start server: %v", err)
}
log.Info("HTTP Listener: %s Closed", listenAddr)
return err
}
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