// GoToSocial // Copyright (C) GoToSocial Authors admin@gotosocial.org // SPDX-License-Identifier: AGPL-3.0-or-later // // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU Affero General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU Affero General Public License for more details. // // You should have received a copy of the GNU Affero General Public License // along with this program. If not, see . package server import ( "context" "errors" "fmt" "net/http" "os" "os/signal" "syscall" "time" "codeberg.org/gruf/go-sched" "github.com/gin-gonic/gin" "github.com/superseriousbusiness/gotosocial/cmd/gotosocial/action" "github.com/superseriousbusiness/gotosocial/internal/api" apiutil "github.com/superseriousbusiness/gotosocial/internal/api/util" "github.com/superseriousbusiness/gotosocial/internal/gtserror" "github.com/superseriousbusiness/gotosocial/internal/middleware" tlprocessor "github.com/superseriousbusiness/gotosocial/internal/processing/timeline" "github.com/superseriousbusiness/gotosocial/internal/timeline" "github.com/superseriousbusiness/gotosocial/internal/tracing" "github.com/superseriousbusiness/gotosocial/internal/visibility" "go.uber.org/automaxprocs/maxprocs" "github.com/superseriousbusiness/gotosocial/internal/config" "github.com/superseriousbusiness/gotosocial/internal/db/bundb" "github.com/superseriousbusiness/gotosocial/internal/email" "github.com/superseriousbusiness/gotosocial/internal/federation" "github.com/superseriousbusiness/gotosocial/internal/federation/federatingdb" "github.com/superseriousbusiness/gotosocial/internal/gotosocial" "github.com/superseriousbusiness/gotosocial/internal/httpclient" "github.com/superseriousbusiness/gotosocial/internal/log" "github.com/superseriousbusiness/gotosocial/internal/media" "github.com/superseriousbusiness/gotosocial/internal/oauth" "github.com/superseriousbusiness/gotosocial/internal/oidc" "github.com/superseriousbusiness/gotosocial/internal/processing" "github.com/superseriousbusiness/gotosocial/internal/router" "github.com/superseriousbusiness/gotosocial/internal/state" gtsstorage "github.com/superseriousbusiness/gotosocial/internal/storage" "github.com/superseriousbusiness/gotosocial/internal/transport" "github.com/superseriousbusiness/gotosocial/internal/typeutils" "github.com/superseriousbusiness/gotosocial/internal/web" // Inherit memory limit if set from cgroup _ "github.com/KimMachineGun/automemlimit" ) // Start creates and starts a gotosocial server var Start action.GTSAction = func(ctx context.Context) error { if _, err := maxprocs.Set(maxprocs.Logger(nil)); err != nil { log.Infof(ctx, "could not set CPU limits from cgroup: %s", err) } var state state.State // Initialize caches state.Caches.Init() state.Caches.Start() defer state.Caches.Stop() // Initialize Tracing if err := tracing.Initialize(); err != nil { return fmt.Errorf("error initializing tracing: %w", err) } // Open connection to the database dbService, err := bundb.NewBunDBService(ctx, &state) if err != nil { return fmt.Errorf("error creating dbservice: %s", err) } // Set the state DB connection state.DB = dbService if err := dbService.CreateInstanceAccount(ctx); err != nil { return fmt.Errorf("error creating instance account: %s", err) } if err := dbService.CreateInstanceInstance(ctx); err != nil { return fmt.Errorf("error creating instance instance: %s", err) } // Open the storage backend storage, err := gtsstorage.AutoConfig() if err != nil { return fmt.Errorf("error creating storage backend: %w", err) } // Set the state storage driver state.Storage = storage // Build HTTP client client := httpclient.New(httpclient.Config{ AllowRanges: config.MustParseIPPrefixes(config.GetHTTPClientAllowIPs()), BlockRanges: config.MustParseIPPrefixes(config.GetHTTPClientBlockIPs()), Timeout: config.GetHTTPClientTimeout(), TLSInsecureSkipVerify: config.GetHTTPClientTLSInsecureSkipVerify(), }) // Initialize workers. state.Workers.Start() defer state.Workers.Stop() // Add a task to the scheduler to sweep caches. // Frequency = 1 * minute // Threshold = 80% capacity sweep := func(time.Time) { state.Caches.Sweep(80) } job := sched.NewJob(sweep).Every(time.Minute) _ = state.Workers.Scheduler.Schedule(job) // Build handlers used in later initializations. mediaManager := media.NewManager(&state) oauthServer := oauth.New(ctx, dbService) typeConverter := typeutils.NewConverter(dbService) filter := visibility.NewFilter(&state) federatingDB := federatingdb.New(&state, typeConverter) transportController := transport.NewController(&state, federatingDB, &federation.Clock{}, client) federator := federation.NewFederator(&state, federatingDB, transportController, typeConverter, mediaManager) // Decide whether to create a noop email // sender (won't send emails) or a real one. var emailSender email.Sender if smtpHost := config.GetSMTPHost(); smtpHost != "" { // Host is defined; create a proper sender. emailSender, err = email.NewSender() if err != nil { return fmt.Errorf("error creating email sender: %s", err) } } else { // No host is defined; create a noop sender. emailSender, err = email.NewNoopSender(nil) if err != nil { return fmt.Errorf("error creating noop email sender: %s", err) } } // Initialize timelines. state.Timelines.Home = timeline.NewManager( tlprocessor.HomeTimelineGrab(&state), tlprocessor.HomeTimelineFilter(&state, filter), tlprocessor.HomeTimelineStatusPrepare(&state, typeConverter), tlprocessor.SkipInsert(), ) if err := state.Timelines.Home.Start(); err != nil { return fmt.Errorf("error starting home timeline: %s", err) } state.Timelines.List = timeline.NewManager( tlprocessor.ListTimelineGrab(&state), tlprocessor.ListTimelineFilter(&state, filter), tlprocessor.ListTimelineStatusPrepare(&state, typeConverter), tlprocessor.SkipInsert(), ) if err := state.Timelines.List.Start(); err != nil { return fmt.Errorf("error starting list timeline: %s", err) } // Create the processor using all the other services we've created so far. processor := processing.NewProcessor(typeConverter, federator, oauthServer, mediaManager, &state, emailSender) // Set state client / federator asynchronous worker enqueue functions state.Workers.EnqueueClientAPI = processor.Workers().EnqueueClientAPI state.Workers.EnqueueFediAPI = processor.Workers().EnqueueFediAPI // Set state client / federator synchronous processing functions. state.Workers.ProcessFromClientAPI = processor.Workers().ProcessFromClientAPI state.Workers.ProcessFromFediAPI = processor.Workers().ProcessFromFediAPI /* HTTP router initialization */ router, err := router.New(ctx) if err != nil { return fmt.Errorf("error creating router: %s", err) } middlewares := []gin.HandlerFunc{ middleware.AddRequestID(config.GetRequestIDHeader()), // requestID middleware must run before tracing } if config.GetTracingEnabled() { middlewares = append(middlewares, tracing.InstrumentGin()) } middlewares = append(middlewares, []gin.HandlerFunc{ // note: hooks adding ctx fields must be ABOVE // the logger, otherwise won't be accessible. middleware.Logger(config.GetLogClientIP()), middleware.UserAgent(), middleware.CORS(), middleware.ExtraHeaders(), }...) // Instantiate Content-Security-Policy // middleware, with extra URIs. cspExtraURIs := make([]string, 0) // Probe storage to check if extra URI is needed in CSP. // Error here means something is wrong with storage. storageCSPUri, err := state.Storage.ProbeCSPUri(ctx) if err != nil { return fmt.Errorf("error deriving Content-Security-Policy uri from storage: %w", err) } // storageCSPUri may be empty string if // not S3-backed storage; check for this. if storageCSPUri != "" { cspExtraURIs = append(cspExtraURIs, storageCSPUri) } // Add any extra CSP URIs from config. cspExtraURIs = append(cspExtraURIs, config.GetAdvancedCSPExtraURIs()...) // Add CSP to middlewares. middlewares = append(middlewares, middleware.ContentSecurityPolicy(cspExtraURIs...)) // attach global middlewares which are used for every request router.AttachGlobalMiddleware(middlewares...) // attach global no route / 404 handler to the router router.AttachNoRouteHandler(func(c *gin.Context) { apiutil.ErrorHandler(c, gtserror.NewErrorNotFound(errors.New(http.StatusText(http.StatusNotFound))), processor.InstanceGetV1) }) // build router modules var idp oidc.IDP if config.GetOIDCEnabled() { idp, err = oidc.NewIDP(ctx) if err != nil { return fmt.Errorf("error creating oidc idp: %w", err) } } routerSession, err := dbService.GetSession(ctx) if err != nil { return fmt.Errorf("error retrieving router session for session middleware: %w", err) } sessionName, err := middleware.SessionName() if err != nil { return fmt.Errorf("error generating session name for session middleware: %w", err) } var ( authModule = api.NewAuth(dbService, processor, idp, routerSession, sessionName) // auth/oauth paths clientModule = api.NewClient(dbService, processor) // api client endpoints fileserverModule = api.NewFileserver(processor) // fileserver endpoints wellKnownModule = api.NewWellKnown(processor) // .well-known endpoints nodeInfoModule = api.NewNodeInfo(processor) // nodeinfo endpoint activityPubModule = api.NewActivityPub(dbService, processor) // ActivityPub endpoints webModule = web.New(dbService, processor) // web pages + user profiles + settings panels etc ) // create required middleware // rate limiting rlLimit := config.GetAdvancedRateLimitRequests() rlExceptions := config.GetAdvancedRateLimitExceptions() clLimit := middleware.RateLimit(rlLimit, rlExceptions) // client api s2sLimit := middleware.RateLimit(rlLimit, rlExceptions) // server-to-server (AP) fsLimit := middleware.RateLimit(rlLimit, rlExceptions) // fileserver / web templates // throttling cpuMultiplier := config.GetAdvancedThrottlingMultiplier() retryAfter := config.GetAdvancedThrottlingRetryAfter() clThrottle := middleware.Throttle(cpuMultiplier, retryAfter) // client api s2sThrottle := middleware.Throttle(cpuMultiplier, retryAfter) // server-to-server (AP) fsThrottle := middleware.Throttle(cpuMultiplier, retryAfter) // fileserver / web templates pkThrottle := middleware.Throttle(cpuMultiplier, retryAfter) // throttle public key endpoint separately gzip := middleware.Gzip() // applied to all except fileserver // these should be routed in order; // apply throttling *after* rate limiting authModule.Route(router, clLimit, clThrottle, gzip) clientModule.Route(router, clLimit, clThrottle, gzip) fileserverModule.Route(router, fsLimit, fsThrottle) wellKnownModule.Route(router, gzip, s2sLimit, s2sThrottle) nodeInfoModule.Route(router, s2sLimit, s2sThrottle, gzip) activityPubModule.Route(router, s2sLimit, s2sThrottle, gzip) activityPubModule.RoutePublicKey(router, s2sLimit, pkThrottle, gzip) webModule.Route(router, fsLimit, fsThrottle, gzip) gts, err := gotosocial.NewServer(dbService, router, federator, mediaManager) if err != nil { return fmt.Errorf("error creating gotosocial service: %s", err) } if err := gts.Start(ctx); err != nil { return fmt.Errorf("error starting gotosocial service: %s", err) } // catch shutdown signals from the operating system sigs := make(chan os.Signal, 1) signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM) sig := <-sigs // block until signal received log.Infof(ctx, "received signal %s, shutting down", sig) // close down all running services in order if err := gts.Stop(ctx); err != nil { return fmt.Errorf("error closing gotosocial service: %s", err) } log.Info(ctx, "done! exiting...") return nil }