From dd136858f1ea40ad3c94191d647487fa4f31926c Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 18 Oct 2024 20:33:49 +0200 Subject: Adding upstream version 9.0.0. Signed-off-by: Daniel Baumann --- cmd/web.go | 357 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 357 insertions(+) create mode 100644 cmd/web.go (limited to 'cmd/web.go') diff --git a/cmd/web.go b/cmd/web.go new file mode 100644 index 0000000..44babd5 --- /dev/null +++ b/cmd/web.go @@ -0,0 +1,357 @@ +// Copyright 2014 The Gogs Authors. All rights reserved. +// SPDX-License-Identifier: MIT + +package cmd + +import ( + "context" + "fmt" + "net" + "net/http" + "os" + "path/filepath" + "strconv" + "strings" + + _ "net/http/pprof" // Used for debugging if enabled and a web server is running + + "code.gitea.io/gitea/modules/container" + "code.gitea.io/gitea/modules/graceful" + "code.gitea.io/gitea/modules/log" + "code.gitea.io/gitea/modules/process" + "code.gitea.io/gitea/modules/public" + "code.gitea.io/gitea/modules/setting" + "code.gitea.io/gitea/routers" + "code.gitea.io/gitea/routers/install" + + "github.com/felixge/fgprof" + "github.com/urfave/cli/v2" +) + +// PIDFile could be set from build tag +var PIDFile = "/run/gitea.pid" + +// CmdWeb represents the available web sub-command. +var CmdWeb = &cli.Command{ + Name: "web", + Usage: "Start the Forgejo web server", + Description: `The Forgejo web server is the only thing you need to run, +and it takes care of all the other things for you`, + Before: PrepareConsoleLoggerLevel(log.INFO), + Action: runWeb, + Flags: []cli.Flag{ + &cli.StringFlag{ + Name: "port", + Aliases: []string{"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", + Aliases: []string{"P"}, + Value: PIDFile, + Usage: "Custom pid file path", + }, + &cli.BoolFlag{ + Name: "quiet", + Aliases: []string{"q"}, + Usage: "Only display Fatal logging errors until logging is set-up", + }, + &cli.BoolFlag{ + Name: "verbose", + Usage: "Set initial logging to TRACE level until logging is properly set-up", + }, + }, +} + +func runHTTPRedirector() { + _, _, finished := process.GetManager().AddTypedContext(graceful.GetManager().HammerContext(), "Web: HTTP Redirector", process.SystemProcessType, true) + defer finished() + + 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) + }) + + err := runHTTP("tcp", source, "HTTP Redirector", handler, setting.RedirectorUseProxyProtocol) + if err != nil { + log.Fatal("Failed to start port redirection: %v", err) + } +} + +func createPIDFile(pidPath string) { + currentPid := os.Getpid() + if err := os.MkdirAll(filepath.Dir(pidPath), os.ModePerm); err != nil { + log.Fatal("Failed to create PID folder: %v", err) + } + + file, err := os.Create(pidPath) + if err != nil { + log.Fatal("Failed to create PID file: %v", err) + } + defer file.Close() + if _, err := file.WriteString(strconv.FormatInt(int64(currentPid), 10)); err != nil { + log.Fatal("Failed to write PID information: %v", err) + } +} + +func showWebStartupMessage(msg string) { + log.Info("Forgejo version: %s%s", setting.AppVer, setting.AppBuiltWith) + log.Info("* RunMode: %s", setting.RunMode) + log.Info("* AppPath: %s", setting.AppPath) + log.Info("* WorkPath: %s", setting.AppWorkPath) + log.Info("* CustomPath: %s", setting.CustomPath) + log.Info("* ConfigFile: %s", setting.CustomConf) + log.Info("%s", msg) // show startup message +} + +func serveInstall(ctx *cli.Context) error { + showWebStartupMessage("Prepare to run install page") + + routers.InitWebInstallPage(graceful.GetManager().HammerContext()) + + // 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 := install.Routes() + err := listen(c, false) + if err != nil { + log.Critical("Unable to open listener for installer. Is Forgejo already running?") + graceful.GetManager().DoGracefulShutdown() + } + select { + case <-graceful.GetManager().IsShutdown(): + <-graceful.GetManager().Done() + log.Info("PID: %d Forgejo Web Finished", os.Getpid()) + log.GetManager().Close() + return err + default: + } + return nil +} + +func serveInstalled(ctx *cli.Context) error { + setting.InitCfgProvider(setting.CustomConf) + setting.LoadCommonSettings() + setting.MustInstalled() + + showWebStartupMessage("Prepare to run web server") + + if setting.AppWorkPathMismatch { + log.Error("WORK_PATH from config %q doesn't match other paths from environment variables or command arguments. "+ + "Only WORK_PATH in config should be set and used. Please make sure the path in config file is correct, "+ + "remove the other outdated work paths from environment variables and command arguments", setting.CustomConf) + } + + rootCfg := setting.CfgProvider + if rootCfg.Section("").Key("WORK_PATH").String() == "" { + saveCfg, err := rootCfg.PrepareSaving() + if err != nil { + log.Error("Unable to prepare saving WORK_PATH=%s to config %q: %v\nYou should set it manually, otherwise there might be bugs when accessing the git repositories.", setting.AppWorkPath, setting.CustomConf, err) + } else { + rootCfg.Section("").Key("WORK_PATH").SetValue(setting.AppWorkPath) + saveCfg.Section("").Key("WORK_PATH").SetValue(setting.AppWorkPath) + if err = saveCfg.Save(); err != nil { + log.Error("Unable to update WORK_PATH=%s to config %q: %v\nYou should set it manually, otherwise there might be bugs when accessing the git repositories.", setting.AppWorkPath, setting.CustomConf, err) + } + } + } + + // in old versions, user's custom web files are placed in "custom/public", and they were served as "http://domain.com/assets/xxx" + // now, Gitea only serves pre-defined files in the "custom/public" folder basing on the web root, the user should move their custom files to "custom/public/assets" + publicFiles, _ := public.AssetFS().ListFiles(".") + publicFilesSet := container.SetOf(publicFiles...) + publicFilesSet.Remove(".well-known") + publicFilesSet.Remove("assets") + publicFilesSet.Remove("robots.txt") + for _, fn := range publicFilesSet.Values() { + log.Error("Found legacy public asset %q in CustomPath. Please move it to %s/public/assets/%s", fn, setting.CustomPath, fn) + } + if _, err := os.Stat(filepath.Join(setting.CustomPath, "robots.txt")); err == nil { + log.Error(`Found legacy public asset "robots.txt" in CustomPath. Please move it to %s/public/robots.txt`, setting.CustomPath) + } + + routers.InitWebInstalled(graceful.GetManager().HammerContext()) + + // We check that AppDataPath exists here (it should have been created during installation) + // We can't check it in `InitWebInstalled`, because some integration tests + // use cmd -> InitWebInstalled, but the AppDataPath doesn't exist during those tests. + if _, err := os.Stat(setting.AppDataPath); err != nil { + log.Fatal("Can not find APP_DATA_PATH %q", setting.AppDataPath) + } + + // 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 + webRoutes := routers.NormalRoutes() + err := listen(webRoutes, true) + <-graceful.GetManager().Done() + log.Info("PID: %d Forgejo Web Finished", os.Getpid()) + log.GetManager().Close() + return err +} + +func servePprof() { + http.DefaultServeMux.Handle("/debug/fgprof", fgprof.Handler()) + _, _, finished := process.GetManager().AddTypedContext(context.Background(), "Web: PProf Server", process.SystemProcessType, true) + // 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. + log.Info("Starting pprof server on localhost:6060") + log.Info("Stopped pprof server: %v", http.ListenAndServe("localhost:6060", nil)) + finished() +} + +func runWeb(ctx *cli.Context) error { + defer func() { + if panicked := recover(); panicked != nil { + log.Fatal("PANIC: %v\n%s", panicked, log.Stack(2)) + } + }() + + managerCtx, cancel := context.WithCancel(context.Background()) + graceful.InitManager(managerCtx) + defer cancel() + + if os.Getppid() > 1 && len(os.Getenv("LISTEN_FDS")) > 0 { + log.Info("Restarting Forgejo on PID: %d from parent PID: %d", os.Getpid(), os.Getppid()) + } else { + log.Info("Starting Forgejo on PID: %d", os.Getpid()) + } + + // Set pid file setting + if ctx.IsSet("pid") { + createPIDFile(ctx.String("pid")) + } + + if !setting.InstallLock { + if err := serveInstall(ctx); err != nil { + return err + } + } else { + NoInstallListener() + } + + if setting.EnablePprof { + go servePprof() + } + + return serveInstalled(ctx) +} + +func setPort(port string) error { + setting.AppURL = strings.Replace(setting.AppURL, setting.HTTPPort, port, 1) + setting.HTTPPort = port + + switch setting.Protocol { + case setting.HTTPUnix: + case setting.FCGI: + case setting.FCGIUnix: + default: + defaultLocalURL := string(setting.Protocol) + "://" + if setting.HTTPAddr == "0.0.0.0" { + defaultLocalURL += "localhost" + } else { + defaultLocalURL += setting.HTTPAddr + } + defaultLocalURL += ":" + setting.HTTPPort + "/" + + // Save LOCAL_ROOT_URL if port changed + rootCfg := setting.CfgProvider + saveCfg, err := rootCfg.PrepareSaving() + if err != nil { + return fmt.Errorf("failed to save config file: %v", err) + } + rootCfg.Section("server").Key("LOCAL_ROOT_URL").SetValue(defaultLocalURL) + saveCfg.Section("server").Key("LOCAL_ROOT_URL").SetValue(defaultLocalURL) + if err = saveCfg.Save(); err != nil { + return fmt.Errorf("failed to save config file: %v", err) + } + } + return nil +} + +func listen(m http.Handler, handleRedirector bool) error { + listenAddr := setting.HTTPAddr + if setting.Protocol != setting.HTTPUnix && setting.Protocol != setting.FCGIUnix { + listenAddr = net.JoinHostPort(listenAddr, setting.HTTPPort) + } + _, _, finished := process.GetManager().AddTypedContext(graceful.GetManager().HammerContext(), "Web: Forgejo Server", process.SystemProcessType, true) + defer finished() + log.Info("Listen: %v://%s%s", setting.Protocol, listenAddr, setting.AppSubURL) + // This can be useful for users, many users do wrong to their config and get strange behaviors behind a reverse-proxy. + // A user may fix the configuration mistake when he sees this log. + // And this is also very helpful to maintainers to provide help to users to resolve their configuration problems. + log.Info("AppURL(ROOT_URL): %s", setting.AppURL) + + 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", m, setting.UseProxyProtocol) + case setting.HTTPS: + if setting.EnableAcme { + err = runACME(listenAddr, m) + break + } + if handleRedirector { + if setting.RedirectOtherPort { + go runHTTPRedirector() + } else { + NoHTTPRedirector() + } + } + err = runHTTPS("tcp", listenAddr, "Web", setting.CertFile, setting.KeyFile, m, setting.UseProxyProtocol, setting.ProxyProtocolTLSBridging) + case setting.FCGI: + if handleRedirector { + NoHTTPRedirector() + } + err = runFCGI("tcp", listenAddr, "FCGI Web", m, setting.UseProxyProtocol) + case setting.HTTPUnix: + if handleRedirector { + NoHTTPRedirector() + } + err = runHTTP("unix", listenAddr, "Web", m, setting.UseProxyProtocol) + case setting.FCGIUnix: + if handleRedirector { + NoHTTPRedirector() + } + err = runFCGI("unix", listenAddr, "Web", m, setting.UseProxyProtocol) + 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 +} -- cgit v1.2.3