Streaming (#49)

Add new status and notification websocket streaming capabilities
This commit is contained in:
Tobi Smethurst 2021-06-19 11:18:55 +02:00 committed by GitHub
parent ad2e982edc
commit aa8a0d0850
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GPG Key ID: 4AEE18F83AFDEB23
21 changed files with 621 additions and 30 deletions

1
go.mod
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@ -26,6 +26,7 @@ require (
github.com/golang/mock v1.5.0 // indirect
github.com/google/uuid v1.2.0
github.com/gorilla/sessions v1.2.1 // indirect
github.com/gorilla/websocket v1.4.2
github.com/h2non/filetype v1.1.1
github.com/json-iterator/go v1.1.11 // indirect
github.com/leodido/go-urn v1.2.1 // indirect

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@ -0,0 +1,89 @@
package streaming
import (
"fmt"
"net/http"
"time"
"github.com/gin-gonic/gin"
"github.com/gorilla/websocket"
)
// StreamGETHandler handles the creation of a new websocket streaming request.
func (m *Module) StreamGETHandler(c *gin.Context) {
l := m.log.WithField("func", "StreamGETHandler")
streamType := c.Query(StreamQueryKey)
if streamType == "" {
c.JSON(http.StatusBadRequest, gin.H{"error": fmt.Sprintf("no stream type provided under query key %s", StreamQueryKey)})
return
}
accessToken := c.Query(AccessTokenQueryKey)
if accessToken == "" {
c.JSON(http.StatusUnauthorized, gin.H{"error": fmt.Sprintf("no access token provided under query key %s", AccessTokenQueryKey)})
return
}
// make sure a valid token has been provided and obtain the associated account
account, err := m.processor.AuthorizeStreamingRequest(accessToken)
if err != nil {
c.JSON(http.StatusUnauthorized, gin.H{"error": "could not authorize with given token"})
return
}
// prepare to upgrade the connection to a websocket connection
upgrader := websocket.Upgrader{
ReadBufferSize: 1024,
WriteBufferSize: 1024,
CheckOrigin: func(r *http.Request) bool {
// we fully expect cors requests (via something like pinafore.social) so we should be lenient here
return true
},
}
// do the actual upgrade here
conn, err := upgrader.Upgrade(c.Writer, c.Request, nil)
if err != nil {
l.Infof("error upgrading websocket connection: %s", err)
return
}
defer conn.Close() // whatever happens, when we leave this function we want to close the websocket connection
// inform the processor that we have a new connection and want a stream for it
stream, errWithCode := m.processor.OpenStreamForAccount(account, streamType)
if errWithCode != nil {
c.JSON(errWithCode.Code(), errWithCode.Safe())
return
}
defer close(stream.Hangup) // closing stream.Hangup indicates that we've finished with the connection (the client has gone), so we want to do this on exiting this handler
// spawn a new ticker for pinging the connection periodically
t := time.NewTicker(30 * time.Second)
// we want to stay in the sendloop as long as possible while the client is connected -- the only thing that should break the loop is if the client leaves or something else goes wrong
sendLoop:
for {
select {
case m := <-stream.Messages:
// we've got a streaming message!!
l.Debug("received message from stream")
if err := conn.WriteJSON(m); err != nil {
l.Infof("error writing json to websocket connection: %s", err)
// if something is wrong we want to bail and drop the connection -- the client will create a new one
break sendLoop
}
l.Debug("wrote message into websocket connection")
case <-t.C:
l.Debug("received TICK from ticker")
if err := conn.WriteMessage(websocket.PingMessage, []byte(": ping")); err != nil {
l.Infof("error writing ping to websocket connection: %s", err)
// if something is wrong we want to bail and drop the connection -- the client will create a new one
break sendLoop
}
l.Debug("wrote ping message into websocket connection")
}
}
l.Debug("leaving StreamGETHandler")
}

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@ -0,0 +1,62 @@
/*
GoToSocial
Copyright (C) 2021 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 streaming
import (
"net/http"
"github.com/sirupsen/logrus"
"github.com/superseriousbusiness/gotosocial/internal/api"
"github.com/superseriousbusiness/gotosocial/internal/config"
"github.com/superseriousbusiness/gotosocial/internal/processing"
"github.com/superseriousbusiness/gotosocial/internal/router"
)
const (
// BasePath is the path for the streaming api
BasePath = "/api/v1/streaming"
// StreamQueryKey is the query key for the type of stream being requested
StreamQueryKey = "stream"
// AccessTokenQueryKey is the query key for an oauth access token that should be passed in streaming requests.
AccessTokenQueryKey = "access_token"
)
// Module implements the api.ClientModule interface for everything related to streaming
type Module struct {
config *config.Config
processor processing.Processor
log *logrus.Logger
}
// New returns a new streaming module
func New(config *config.Config, processor processing.Processor, log *logrus.Logger) api.ClientModule {
return &Module{
config: config,
processor: processor,
log: log,
}
}
// Route attaches all routes from this module to the given router
func (m *Module) Route(r router.Router) error {
r.AttachHandler(http.MethodGet, BasePath, m.StreamGETHandler)
return nil
}

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@ -24,6 +24,7 @@ import (
"github.com/superseriousbusiness/gotosocial/internal/api/client/notification"
"github.com/superseriousbusiness/gotosocial/internal/api/client/search"
"github.com/superseriousbusiness/gotosocial/internal/api/client/status"
"github.com/superseriousbusiness/gotosocial/internal/api/client/streaming"
"github.com/superseriousbusiness/gotosocial/internal/api/client/timeline"
"github.com/superseriousbusiness/gotosocial/internal/api/s2s/user"
"github.com/superseriousbusiness/gotosocial/internal/api/s2s/webfinger"
@ -134,6 +135,7 @@ var Start cliactions.GTSAction = func(ctx context.Context, c *config.Config, log
adminModule := admin.New(c, processor, log)
statusModule := status.New(c, processor, log)
securityModule := security.New(c, log)
streamingModule := streaming.New(c, processor, log)
apis := []api.ClientModule{
// modules with middleware go first
@ -157,6 +159,7 @@ var Start cliactions.GTSAction = func(ctx context.Context, c *config.Config, log
filtersModule,
emojiModule,
listsModule,
streamingModule,
}
for _, m := range apis {

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@ -975,6 +975,7 @@ func (ps *postgresService) GetPublicTimelineForAccount(accountID string, maxID s
q := ps.conn.Model(&statuses).
Where("visibility = ?", gtsmodel.VisibilityPublic).
Where("? IS NULL", pg.Ident("in_reply_to_id")).
Where("? IS NULL", pg.Ident("in_reply_to_uri")).
Where("? IS NULL", pg.Ident("boost_of_id")).
Order("status.id DESC")

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@ -0,0 +1,38 @@
package gtsmodel
import "sync"
// StreamsForAccount is a wrapper for the multiple streams that one account can have running at the same time.
// TODO: put a limit on this
type StreamsForAccount struct {
// The currently held streams for this account
Streams []*Stream
// Mutex to lock/unlock when modifying the slice of streams.
sync.Mutex
}
// Stream represents one open stream for a client.
type Stream struct {
// ID of this stream, generated during creation.
ID string
// Type of this stream: user/public/etc
Type string
// Channel of messages for the client to read from
Messages chan *Message
// Channel to close when the client drops away
Hangup chan interface{}
// Only put messages in the stream when Connected
Connected bool
// Mutex to lock/unlock when inserting messages, hanging up, changing the connected state etc.
sync.Mutex
}
// Message represents one streamed message.
type Message struct {
// All the stream types this message should be delivered to.
Stream []string `json:"stream"`
// The event type of the message (update/delete/notification etc)
Event string `json:"event"`
// The actual payload of the message. In case of an update or notification, this will be a JSON string.
Payload string `json:"payload"`
}

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@ -56,6 +56,7 @@ type Server interface {
HandleAuthorizeRequest(w http.ResponseWriter, r *http.Request) error
ValidationBearerToken(r *http.Request) (oauth2.TokenInfo, error)
GenerateUserAccessToken(ti oauth2.TokenInfo, clientSecret string, userID string) (accessToken oauth2.TokenInfo, err error)
LoadAccessToken(ctx context.Context, access string) (accessToken oauth2.TokenInfo, err error)
}
// s fulfils the Server interface using the underlying oauth2 server
@ -171,3 +172,7 @@ func (s *s) GenerateUserAccessToken(ti oauth2.TokenInfo, clientSecret string, us
s.log.Tracef("obtained user-level access token: %+v", accessToken)
return accessToken, nil
}
func (s *s) LoadAccessToken(ctx context.Context, access string) (accessToken oauth2.TokenInfo, err error) {
return s.server.Manager.LoadAccessToken(ctx, access)
}

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@ -96,6 +96,16 @@ func (p *processor) notifyStatus(status *gtsmodel.Status) error {
if err := p.db.Put(notif); err != nil {
return fmt.Errorf("notifyStatus: error putting notification in database: %s", err)
}
// now stream the notification to the user
mastoNotif, err := p.tc.NotificationToMasto(notif)
if err != nil {
return fmt.Errorf("notifyStatus: error converting notification to masto representation: %s", err)
}
if err := p.streamingProcessor.StreamNotificationToAccount(mastoNotif, m.GTSAccount); err != nil {
return fmt.Errorf("notifyStatus: error streaming notification to account: %s", err)
}
}
return nil
@ -123,6 +133,16 @@ func (p *processor) notifyFollowRequest(followRequest *gtsmodel.FollowRequest, r
return fmt.Errorf("notifyFollowRequest: error putting notification in database: %s", err)
}
// now stream the notification to the user
mastoNotif, err := p.tc.NotificationToMasto(notif)
if err != nil {
return fmt.Errorf("notifyStatus: error converting notification to masto representation: %s", err)
}
if err := p.streamingProcessor.StreamNotificationToAccount(mastoNotif, receivingAccount); err != nil {
return fmt.Errorf("notifyStatus: error streaming notification to account: %s", err)
}
return nil
}
@ -157,6 +177,16 @@ func (p *processor) notifyFollow(follow *gtsmodel.Follow, receivingAccount *gtsm
return fmt.Errorf("notifyFollow: error putting notification in database: %s", err)
}
// now stream the notification to the user
mastoNotif, err := p.tc.NotificationToMasto(notif)
if err != nil {
return fmt.Errorf("notifyStatus: error converting notification to masto representation: %s", err)
}
if err := p.streamingProcessor.StreamNotificationToAccount(mastoNotif, receivingAccount); err != nil {
return fmt.Errorf("notifyStatus: error streaming notification to account: %s", err)
}
return nil
}
@ -183,6 +213,16 @@ func (p *processor) notifyFave(fave *gtsmodel.StatusFave, receivingAccount *gtsm
return fmt.Errorf("notifyFave: error putting notification in database: %s", err)
}
// now stream the notification to the user
mastoNotif, err := p.tc.NotificationToMasto(notif)
if err != nil {
return fmt.Errorf("notifyStatus: error converting notification to masto representation: %s", err)
}
if err := p.streamingProcessor.StreamNotificationToAccount(mastoNotif, receivingAccount); err != nil {
return fmt.Errorf("notifyStatus: error streaming notification to account: %s", err)
}
return nil
}
@ -242,6 +282,16 @@ func (p *processor) notifyAnnounce(status *gtsmodel.Status) error {
return fmt.Errorf("notifyAnnounce: error putting notification in database: %s", err)
}
// now stream the notification to the user
mastoNotif, err := p.tc.NotificationToMasto(notif)
if err != nil {
return fmt.Errorf("notifyStatus: error converting notification to masto representation: %s", err)
}
if err := p.streamingProcessor.StreamNotificationToAccount(mastoNotif, boostedAcct); err != nil {
return fmt.Errorf("notifyStatus: error streaming notification to account: %s", err)
}
return nil
}
@ -321,8 +371,32 @@ func (p *processor) timelineStatusForAccount(status *gtsmodel.Status, accountID
return
}
if err := p.timelineManager.IngestAndPrepare(status, timelineAccount.ID); err != nil {
// stick the status in the timeline for the account and then immediately prepare it so they can see it right away
inserted, err := p.timelineManager.IngestAndPrepare(status, timelineAccount.ID)
if err != nil {
errors <- fmt.Errorf("timelineStatusForAccount: error ingesting status %s: %s", status.ID, err)
return
}
// the status was inserted to stream it to the user
if inserted {
mastoStatus, err := p.tc.StatusToMasto(status, timelineAccount)
if err != nil {
errors <- fmt.Errorf("timelineStatusForAccount: error converting status %s to frontend representation: %s", status.ID, err)
} else {
if err := p.streamingProcessor.StreamStatusToAccount(mastoStatus, timelineAccount); err != nil {
errors <- fmt.Errorf("timelineStatusForAccount: error streaming status %s: %s", status.ID, err)
}
}
}
mastoStatus, err := p.tc.StatusToMasto(status, timelineAccount)
if err != nil {
errors <- fmt.Errorf("timelineStatusForAccount: error converting status %s to frontend representation: %s", status.ID, err)
} else {
if err := p.streamingProcessor.StreamStatusToAccount(mastoStatus, timelineAccount); err != nil {
errors <- fmt.Errorf("timelineStatusForAccount: error streaming status %s: %s", status.ID, err)
}
}
}

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@ -33,6 +33,7 @@ import (
"github.com/superseriousbusiness/gotosocial/internal/media"
"github.com/superseriousbusiness/gotosocial/internal/oauth"
"github.com/superseriousbusiness/gotosocial/internal/processing/synchronous/status"
"github.com/superseriousbusiness/gotosocial/internal/processing/synchronous/streaming"
"github.com/superseriousbusiness/gotosocial/internal/timeline"
"github.com/superseriousbusiness/gotosocial/internal/typeutils"
"github.com/superseriousbusiness/gotosocial/internal/visibility"
@ -132,6 +133,11 @@ type Processor interface {
// PublicTimelineGet returns statuses from the public/local timeline, with the given filters/parameters.
PublicTimelineGet(authed *oauth.Auth, maxID string, sinceID string, minID string, limit int, local bool) ([]*apimodel.Status, gtserror.WithCode)
// AuthorizeStreamingRequest returns a gotosocial account in exchange for an access token, or an error if the given token is not valid.
AuthorizeStreamingRequest(accessToken string) (*gtsmodel.Account, error)
// OpenStreamForAccount opens a new stream for the given account, with the given stream type.
OpenStreamForAccount(account *gtsmodel.Account, streamType string) (*gtsmodel.Stream, gtserror.WithCode)
/*
FEDERATION API-FACING PROCESSING FUNCTIONS
These functions are intended to be called when the federating client needs an immediate (ie., synchronous) reply
@ -193,6 +199,7 @@ type processor struct {
*/
statusProcessor status.Processor
streamingProcessor streaming.Processor
}
// NewProcessor returns a new Processor that uses the given federator and logger
@ -202,6 +209,7 @@ func NewProcessor(config *config.Config, tc typeutils.TypeConverter, federator f
fromFederator := make(chan gtsmodel.FromFederator, 1000)
statusProcessor := status.New(db, tc, config, fromClientAPI, log)
streamingProcessor := streaming.New(db, tc, oauthServer, config, log)
return &processor{
fromClientAPI: fromClientAPI,
@ -219,6 +227,7 @@ func NewProcessor(config *config.Config, tc typeutils.TypeConverter, federator f
filter: visibility.NewFilter(db, log),
statusProcessor: statusProcessor,
streamingProcessor: streamingProcessor,
}
}

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@ -0,0 +1,14 @@
package processing
import (
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
)
func (p *processor) AuthorizeStreamingRequest(accessToken string) (*gtsmodel.Account, error) {
return p.streamingProcessor.AuthorizeStreamingRequest(accessToken)
}
func (p *processor) OpenStreamForAccount(account *gtsmodel.Account, streamType string) (*gtsmodel.Stream, gtserror.WithCode) {
return p.streamingProcessor.OpenStreamForAccount(account, streamType)
}

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@ -0,0 +1,33 @@
package streaming
import (
"context"
"fmt"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
)
func (p *processor) AuthorizeStreamingRequest(accessToken string) (*gtsmodel.Account, error) {
ti, err := p.oauthServer.LoadAccessToken(context.Background(), accessToken)
if err != nil {
return nil, fmt.Errorf("AuthorizeStreamingRequest: error loading access token: %s", err)
}
uid := ti.GetUserID()
if uid == "" {
return nil, fmt.Errorf("AuthorizeStreamingRequest: no userid in token")
}
// fetch user's and account for this user id
user := &gtsmodel.User{}
if err := p.db.GetByID(uid, user); err != nil || user == nil {
return nil, fmt.Errorf("AuthorizeStreamingRequest: no user found for validated uid %s", uid)
}
acct := &gtsmodel.Account{}
if err := p.db.GetByID(user.AccountID, acct); err != nil || acct == nil {
return nil, fmt.Errorf("AuthorizeStreamingRequest: no account retrieved for user with id %s", uid)
}
return acct, nil
}

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@ -0,0 +1,100 @@
package streaming
import (
"errors"
"fmt"
"github.com/sirupsen/logrus"
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/id"
)
func (p *processor) OpenStreamForAccount(account *gtsmodel.Account, streamType string) (*gtsmodel.Stream, gtserror.WithCode) {
l := p.log.WithFields(logrus.Fields{
"func": "OpenStreamForAccount",
"account": account.ID,
"streamType": streamType,
})
l.Debug("received open stream request")
// each stream needs a unique ID so we know to close it
streamID, err := id.NewRandomULID()
if err != nil {
return nil, gtserror.NewErrorInternalError(fmt.Errorf("error generating stream id: %s", err))
}
thisStream := &gtsmodel.Stream{
ID: streamID,
Type: streamType,
Messages: make(chan *gtsmodel.Message, 100),
Hangup: make(chan interface{}, 1),
Connected: true,
}
go p.waitToCloseStream(account, thisStream)
v, ok := p.streamMap.Load(account.ID)
if !ok || v == nil {
// there is no entry in the streamMap for this account yet, so make one and store it
streamsForAccount := &gtsmodel.StreamsForAccount{
Streams: []*gtsmodel.Stream{
thisStream,
},
}
p.streamMap.Store(account.ID, streamsForAccount)
} else {
// there is an entry in the streamMap for this account
// parse the interface as a streamsForAccount
streamsForAccount, ok := v.(*gtsmodel.StreamsForAccount)
if !ok {
return nil, gtserror.NewErrorInternalError(errors.New("stream map error"))
}
// append this stream to it
streamsForAccount.Lock()
streamsForAccount.Streams = append(streamsForAccount.Streams, thisStream)
streamsForAccount.Unlock()
}
return thisStream, nil
}
// waitToCloseStream waits until the hangup channel is closed for the given stream.
// It then iterates through the map of streams stored by the processor, removes the stream from it,
// and then closes the messages channel of the stream to indicate that the channel should no longer be read from.
func (p *processor) waitToCloseStream(account *gtsmodel.Account, thisStream *gtsmodel.Stream) {
<-thisStream.Hangup // wait for a hangup message
// lock the stream to prevent more messages being put in it while we work
thisStream.Lock()
defer thisStream.Unlock()
// indicate the stream is no longer connected
thisStream.Connected = false
// load and parse the entry for this account from the stream map
v, ok := p.streamMap.Load(account.ID)
if !ok || v == nil {
return
}
streamsForAccount, ok := v.(*gtsmodel.StreamsForAccount)
if !ok {
return
}
// lock the streams for account while we remove this stream from its slice
streamsForAccount.Lock()
defer streamsForAccount.Unlock()
// put everything into modified streams *except* the stream we're removing
modifiedStreams := []*gtsmodel.Stream{}
for _, s := range streamsForAccount.Streams {
if s.ID != thisStream.ID {
modifiedStreams = append(modifiedStreams, s)
}
}
streamsForAccount.Streams = modifiedStreams
// finally close the messages channel so no more messages can be read from it
close(thisStream.Messages)
}

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@ -0,0 +1,47 @@
package streaming
import (
"sync"
"github.com/sirupsen/logrus"
apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
"github.com/superseriousbusiness/gotosocial/internal/config"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/oauth"
"github.com/superseriousbusiness/gotosocial/internal/typeutils"
"github.com/superseriousbusiness/gotosocial/internal/visibility"
)
// Processor wraps a bunch of functions for processing streaming.
type Processor interface {
// AuthorizeStreamingRequest returns an oauth2 token info in response to an access token query from the streaming API
AuthorizeStreamingRequest(accessToken string) (*gtsmodel.Account, error)
OpenStreamForAccount(account *gtsmodel.Account, streamType string) (*gtsmodel.Stream, gtserror.WithCode)
StreamStatusToAccount(s *apimodel.Status, account *gtsmodel.Account) error
StreamNotificationToAccount(n *apimodel.Notification, account *gtsmodel.Account) error
}
type processor struct {
tc typeutils.TypeConverter
config *config.Config
db db.DB
filter visibility.Filter
log *logrus.Logger
oauthServer oauth.Server
streamMap *sync.Map
}
// New returns a new status processor.
func New(db db.DB, tc typeutils.TypeConverter, oauthServer oauth.Server, config *config.Config, log *logrus.Logger) Processor {
return &processor{
tc: tc,
config: config,
db: db,
filter: visibility.NewFilter(db, log),
log: log,
oauthServer: oauthServer,
streamMap: &sync.Map{},
}
}

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@ -0,0 +1,50 @@
package streaming
import (
"encoding/json"
"errors"
"fmt"
"github.com/sirupsen/logrus"
apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
)
func (p *processor) StreamNotificationToAccount(n *apimodel.Notification, account *gtsmodel.Account) error {
l := p.log.WithFields(logrus.Fields{
"func": "StreamNotificationToAccount",
"account": account.ID,
})
v, ok := p.streamMap.Load(account.ID)
if !ok {
// no open connections so nothing to stream
return nil
}
streamsForAccount, ok := v.(*gtsmodel.StreamsForAccount)
if !ok {
return errors.New("stream map error")
}
notificationBytes, err := json.Marshal(n)
if err != nil {
return fmt.Errorf("error marshalling notification to json: %s", err)
}
streamsForAccount.Lock()
defer streamsForAccount.Unlock()
for _, stream := range streamsForAccount.Streams {
stream.Lock()
defer stream.Unlock()
if stream.Connected {
l.Debugf("streaming notification to stream id %s", stream.ID)
stream.Messages <- &gtsmodel.Message{
Stream: []string{stream.Type},
Event: "notification",
Payload: string(notificationBytes),
}
}
}
return nil
}

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@ -0,0 +1,50 @@
package streaming
import (
"encoding/json"
"errors"
"fmt"
"github.com/sirupsen/logrus"
apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
)
func (p *processor) StreamStatusToAccount(s *apimodel.Status, account *gtsmodel.Account) error {
l := p.log.WithFields(logrus.Fields{
"func": "StreamStatusForAccount",
"account": account.ID,
})
v, ok := p.streamMap.Load(account.ID)
if !ok {
// no open connections so nothing to stream
return nil
}
streamsForAccount, ok := v.(*gtsmodel.StreamsForAccount)
if !ok {
return errors.New("stream map error")
}
statusBytes, err := json.Marshal(s)
if err != nil {
return fmt.Errorf("error marshalling status to json: %s", err)
}
streamsForAccount.Lock()
defer streamsForAccount.Unlock()
for _, stream := range streamsForAccount.Streams {
stream.Lock()
defer stream.Unlock()
if stream.Connected {
l.Debugf("streaming status to stream id %s", stream.ID)
stream.Messages <- &gtsmodel.Message{
Stream: []string{stream.Type},
Event: "update",
Payload: string(statusBytes),
}
}
}
return nil
}

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@ -201,7 +201,7 @@ func (p *processor) indexAndIngest(statuses []*gtsmodel.Status, timelineAccount
continue
}
if timelineable {
if err := p.timelineManager.Ingest(s, timelineAccount.ID); err != nil {
if _, err := p.timelineManager.Ingest(s, timelineAccount.ID); err != nil {
l.Error(fmt.Errorf("initTimelineFor: error ingesting status %s: %s", s.ID, err))
continue
}

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@ -128,9 +128,9 @@ func New(config *config.Config, logger *logrus.Logger) (Router, error) {
AllowAllOrigins: true,
AllowBrowserExtensions: true,
AllowMethods: []string{"POST", "PUT", "DELETE", "GET", "PATCH", "OPTIONS"},
AllowHeaders: []string{"Origin", "Content-Length", "Content-Type", "Authorization"},
AllowHeaders: []string{"Origin", "Content-Length", "Content-Type", "Authorization", "Upgrade", "Sec-WebSocket-Extensions", "Sec-WebSocket-Key", "Sec-WebSocket-Protocol", "Sec-WebSocket-Version", "Connection"},
AllowWebSockets: true,
ExposeHeaders: []string{"Link", "X-RateLimit-Reset", "X-RateLimit-Limit", " X-RateLimit-Remaining", "X-Request-Id"},
ExposeHeaders: []string{"Link", "X-RateLimit-Reset", "X-RateLimit-Limit", " X-RateLimit-Remaining", "X-Request-Id", "Connection", "Sec-WebSocket-Accept", "Upgrade"},
MaxAge: 2 * time.Minute,
}))
engine.MaxMultipartMemory = 8 << 20 // 8 MiB

View File

@ -40,7 +40,7 @@ grabloop:
}
for _, s := range filtered {
if err := t.IndexOne(s.CreatedAt, s.ID, s.BoostOfID); err != nil {
if _, err := t.IndexOne(s.CreatedAt, s.ID, s.BoostOfID); err != nil {
return fmt.Errorf("IndexBehindAndIncluding: error indexing status with id %s: %s", s.ID, err)
}
}
@ -52,7 +52,7 @@ func (t *timeline) IndexOneByID(statusID string) error {
return nil
}
func (t *timeline) IndexOne(statusCreatedAt time.Time, statusID string, boostOfID string) error {
func (t *timeline) IndexOne(statusCreatedAt time.Time, statusID string, boostOfID string) (bool, error) {
t.Lock()
defer t.Unlock()
@ -64,7 +64,7 @@ func (t *timeline) IndexOne(statusCreatedAt time.Time, statusID string, boostOfI
return t.postIndex.insertIndexed(postIndexEntry)
}
func (t *timeline) IndexAndPrepareOne(statusCreatedAt time.Time, statusID string) error {
func (t *timeline) IndexAndPrepareOne(statusCreatedAt time.Time, statusID string) (bool, error) {
t.Lock()
defer t.Unlock()
@ -72,15 +72,18 @@ func (t *timeline) IndexAndPrepareOne(statusCreatedAt time.Time, statusID string
statusID: statusID,
}
if err := t.postIndex.insertIndexed(postIndexEntry); err != nil {
return fmt.Errorf("IndexAndPrepareOne: error inserting indexed: %s", err)
inserted, err := t.postIndex.insertIndexed(postIndexEntry)
if err != nil {
return inserted, fmt.Errorf("IndexAndPrepareOne: error inserting indexed: %s", err)
}
if inserted {
if err := t.prepare(statusID); err != nil {
return fmt.Errorf("IndexAndPrepareOne: error preparing: %s", err)
return inserted, fmt.Errorf("IndexAndPrepareOne: error preparing: %s", err)
}
}
return nil
return inserted, nil
}
func (t *timeline) OldestIndexedPostID() (string, error) {

View File

@ -51,12 +51,18 @@ type Manager interface {
// Ingest takes one status and indexes it into the timeline for the given account ID.
//
// It should already be established before calling this function that the status/post actually belongs in the timeline!
Ingest(status *gtsmodel.Status, timelineAccountID string) error
//
// The returned bool indicates whether the status was actually put in the timeline. This could be false in cases where
// the status is a boost, but a boost of the original post or the post itself already exists recently in the timeline.
Ingest(status *gtsmodel.Status, timelineAccountID string) (bool, error)
// IngestAndPrepare takes one status and indexes it into the timeline for the given account ID, and then immediately prepares it for serving.
// This is useful in cases where we know the status will need to be shown at the top of a user's timeline immediately (eg., a new status is created).
//
// It should already be established before calling this function that the status/post actually belongs in the timeline!
IngestAndPrepare(status *gtsmodel.Status, timelineAccountID string) error
//
// The returned bool indicates whether the status was actually put in the timeline. This could be false in cases where
// the status is a boost, but a boost of the original post or the post itself already exists recently in the timeline.
IngestAndPrepare(status *gtsmodel.Status, timelineAccountID string) (bool, error)
// HomeTimeline returns limit n amount of entries from the home timeline of the given account ID, in descending chronological order.
// If maxID is provided, it will return entries from that maxID onwards, inclusive.
HomeTimeline(accountID string, maxID string, sinceID string, minID string, limit int, local bool) ([]*apimodel.Status, error)
@ -95,7 +101,7 @@ type manager struct {
log *logrus.Logger
}
func (m *manager) Ingest(status *gtsmodel.Status, timelineAccountID string) error {
func (m *manager) Ingest(status *gtsmodel.Status, timelineAccountID string) (bool, error) {
l := m.log.WithFields(logrus.Fields{
"func": "Ingest",
"timelineAccountID": timelineAccountID,
@ -108,7 +114,7 @@ func (m *manager) Ingest(status *gtsmodel.Status, timelineAccountID string) erro
return t.IndexOne(status.CreatedAt, status.ID, status.BoostOfID)
}
func (m *manager) IngestAndPrepare(status *gtsmodel.Status, timelineAccountID string) error {
func (m *manager) IngestAndPrepare(status *gtsmodel.Status, timelineAccountID string) (bool, error) {
l := m.log.WithFields(logrus.Fields{
"func": "IngestAndPrepare",
"timelineAccountID": timelineAccountID,

View File

@ -14,7 +14,7 @@ type postIndexEntry struct {
boostOfID string
}
func (p *postIndex) insertIndexed(i *postIndexEntry) error {
func (p *postIndex) insertIndexed(i *postIndexEntry) (bool, error) {
if p.data == nil {
p.data = &list.List{}
}
@ -22,7 +22,7 @@ func (p *postIndex) insertIndexed(i *postIndexEntry) error {
// if we have no entries yet, this is both the newest and oldest entry, so just put it in the front
if p.data.Len() == 0 {
p.data.PushFront(i)
return nil
return true, nil
}
var insertMark *list.Element
@ -34,14 +34,14 @@ func (p *postIndex) insertIndexed(i *postIndexEntry) error {
entry, ok := e.Value.(*postIndexEntry)
if !ok {
return errors.New("index: could not parse e as a postIndexEntry")
return false, errors.New("index: could not parse e as a postIndexEntry")
}
// don't insert this if it's a boost of a status we've seen recently
if i.boostOfID != "" {
if i.boostOfID == entry.boostOfID || i.boostOfID == entry.statusID {
if position < boostReinsertionDepth {
return nil
return false, nil
}
}
}
@ -55,16 +55,16 @@ func (p *postIndex) insertIndexed(i *postIndexEntry) error {
// make sure we don't insert a duplicate
if entry.statusID == i.statusID {
return nil
return false, nil
}
}
if insertMark != nil {
p.data.InsertBefore(i, insertMark)
return nil
return true, nil
}
// if we reach this point it's the oldest post we've seen so put it at the back
p.data.PushBack(i)
return nil
return true, nil
}

View File

@ -62,7 +62,10 @@ type Timeline interface {
*/
// IndexOne puts a status into the timeline at the appropriate place according to its 'createdAt' property.
IndexOne(statusCreatedAt time.Time, statusID string, boostOfID string) error
//
// The returned bool indicates whether or not the status was actually inserted into the timeline. This will be false
// if the status is a boost and the original post or another boost of it already exists < boostReinsertionDepth back in the timeline.
IndexOne(statusCreatedAt time.Time, statusID string, boostOfID string) (bool, error)
// OldestIndexedPostID returns the id of the rearmost (ie., the oldest) indexed post, or an error if something goes wrong.
// If nothing goes wrong but there's no oldest post, an empty string will be returned so make sure to check for this.
@ -79,7 +82,10 @@ type Timeline interface {
PrepareBehind(statusID string, amount int) error
// IndexOne puts a status into the timeline at the appropriate place according to its 'createdAt' property,
// and then immediately prepares it.
IndexAndPrepareOne(statusCreatedAt time.Time, statusID string) error
//
// The returned bool indicates whether or not the status was actually inserted into the timeline. This will be false
// if the status is a boost and the original post or another boost of it already exists < boostReinsertionDepth back in the timeline.
IndexAndPrepareOne(statusCreatedAt time.Time, statusID string) (bool, error)
// OldestPreparedPostID returns the id of the rearmost (ie., the oldest) prepared post, or an error if something goes wrong.
// If nothing goes wrong but there's no oldest post, an empty string will be returned so make sure to check for this.
OldestPreparedPostID() (string, error)