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/*
GoToSocial
Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
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 <http://www.gnu.org/licenses/>.
*/
package server
import (
"context"
"errors"
"fmt"
"net/http"
"os"
"os/signal"
"syscall"
"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"
"github.com/superseriousbusiness/gotosocial/internal/concurrency"
"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/messages"
"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"
)
// Start creates and starts a gotosocial server
var Start action.GTSAction = func(ctx context.Context) error {
var state state.State
// Initialize caches
state.Caches.Init()
// 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)
}
// Create the client API and federator worker pools
// NOTE: these MUST NOT be used until they are passed to the
// processor and it is started. The reason being that the processor
// sets the Worker process functions and start the underlying pools
clientWorker := concurrency.NewWorkerPool[messages.FromClientAPI](-1, -1)
fedWorker := concurrency.NewWorkerPool[messages.FromFederator](-1, -1)
federatingDB := federatingdb.New(dbService, fedWorker)
// build converters and util
typeConverter := typeutils.NewConverter(dbService)
// Open the storage backend
storage, err := gtsstorage.AutoConfig()
if err != nil {
return fmt.Errorf("error creating storage backend: %w", err)
}
// Build HTTP client (TODO: add configurables here)
client := httpclient.New(httpclient.Config{})
// build backend handlers
mediaManager, err := media.NewManager(dbService, storage)
if err != nil {
return fmt.Errorf("error creating media manager: %s", err)
}
oauthServer := oauth.New(ctx, dbService)
transportController := transport.NewController(dbService, federatingDB, &federation.Clock{}, client)
federator := federation.NewFederator(dbService, 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 so 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 so create a noop sender
emailSender, err = email.NewNoopSender(nil)
if err != nil {
return fmt.Errorf("error creating noop email sender: %s", err)
}
}
// create the message processor using the other services we've created so far
processor := processing.NewProcessor(typeConverter, federator, oauthServer, mediaManager, storage, dbService, emailSender, clientWorker, fedWorker)
if err := processor.Start(); err != nil {
return fmt.Errorf("error creating processor: %s", err)
}
/*
HTTP router initialization
*/
router, err := router.New(ctx)
if err != nil {
return fmt.Errorf("error creating router: %s", err)
}
// attach global middlewares which are used for every request
router.AttachGlobalMiddleware(
middleware.Logger(),
middleware.UserAgent(),
middleware.CORS(),
middleware.ExtraHeaders(),
)
// 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.InstanceGet)
})
// 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(processor) // web pages + user profiles + settings panels etc
)
// these should be routed in order
authModule.Route(router)
clientModule.Route(router)
fileserverModule.Route(router)
wellKnownModule.Route(router)
nodeInfoModule.Route(router)
activityPubModule.Route(router)
webModule.Route(router)
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)
}
// perform initial media prune in case value of MediaRemoteCacheDays changed
if err := processor.AdminMediaPrune(ctx, config.GetMediaRemoteCacheDays()); err != nil {
return fmt.Errorf("error during initial media prune: %s", err)
}
// catch shutdown signals from the operating system
sigs := make(chan os.Signal, 1)
signal.Notify(sigs, os.Interrupt, syscall.SIGTERM)
sig := <-sigs
log.Infof("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("done! exiting...")
return nil
}
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