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-rw-r--r--internal/federation/federatingdb/accept.go94
-rw-r--r--internal/federation/federatingdb/create.go161
-rw-r--r--internal/federation/federatingdb/db.go59
-rw-r--r--internal/federation/federatingdb/delete.go86
-rw-r--r--internal/federation/federatingdb/exists.go24
-rw-r--r--internal/federation/federatingdb/followers.go55
-rw-r--r--internal/federation/federatingdb/following.go55
-rw-r--r--internal/federation/federatingdb/get.go83
-rw-r--r--internal/federation/federatingdb/inbox.go73
-rw-r--r--internal/federation/federatingdb/liked.go26
-rw-r--r--internal/federation/federatingdb/lock.go70
-rw-r--r--internal/federation/federatingdb/outbox.go71
-rw-r--r--internal/federation/federatingdb/owns.go123
-rw-r--r--internal/federation/federatingdb/undo.go89
-rw-r--r--internal/federation/federatingdb/update.go142
-rw-r--r--internal/federation/federatingdb/util.go187
16 files changed, 1398 insertions, 0 deletions
diff --git a/internal/federation/federatingdb/accept.go b/internal/federation/federatingdb/accept.go
new file mode 100644
index 000000000..d08544c99
--- /dev/null
+++ b/internal/federation/federatingdb/accept.go
@@ -0,0 +1,94 @@
+package federatingdb
+
+import (
+ "context"
+ "encoding/json"
+ "errors"
+ "fmt"
+
+ "github.com/go-fed/activity/streams"
+ "github.com/go-fed/activity/streams/vocab"
+ "github.com/sirupsen/logrus"
+ "github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+ "github.com/superseriousbusiness/gotosocial/internal/util"
+)
+
+func (f *federatingDB) Accept(ctx context.Context, accept vocab.ActivityStreamsAccept) error {
+ l := f.log.WithFields(
+ logrus.Fields{
+ "func": "Accept",
+ "asType": accept.GetTypeName(),
+ },
+ )
+ m, err := streams.Serialize(accept)
+ if err != nil {
+ return err
+ }
+ b, err := json.Marshal(m)
+ if err != nil {
+ return err
+ }
+ l.Debugf("received ACCEPT asType %s", string(b))
+
+ fromFederatorChanI := ctx.Value(util.APFromFederatorChanKey)
+ if fromFederatorChanI == nil {
+ l.Error("ACCEPT: from federator channel wasn't set on context")
+ return nil
+ }
+ fromFederatorChan, ok := fromFederatorChanI.(chan gtsmodel.FromFederator)
+ if !ok {
+ l.Error("ACCEPT: from federator channel was set on context but couldn't be parsed")
+ return nil
+ }
+
+ inboxAcctI := ctx.Value(util.APAccount)
+ if inboxAcctI == nil {
+ l.Error("ACCEPT: inbox account wasn't set on context")
+ return nil
+ }
+ inboxAcct, ok := inboxAcctI.(*gtsmodel.Account)
+ if !ok {
+ l.Error("ACCEPT: inbox account was set on context but couldn't be parsed")
+ return nil
+ }
+
+ acceptObject := accept.GetActivityStreamsObject()
+ if acceptObject == nil {
+ return errors.New("ACCEPT: no object set on vocab.ActivityStreamsAccept")
+ }
+
+ for iter := acceptObject.Begin(); iter != acceptObject.End(); iter = iter.Next() {
+ switch iter.GetType().GetTypeName() {
+ case string(gtsmodel.ActivityStreamsFollow):
+ // ACCEPT FOLLOW
+ asFollow, ok := iter.GetType().(vocab.ActivityStreamsFollow)
+ if !ok {
+ return errors.New("ACCEPT: couldn't parse follow into vocab.ActivityStreamsFollow")
+ }
+ // convert the follow to something we can understand
+ gtsFollow, err := f.typeConverter.ASFollowToFollow(asFollow)
+ if err != nil {
+ return fmt.Errorf("ACCEPT: error converting asfollow to gtsfollow: %s", err)
+ }
+ // make sure the addressee of the original follow is the same as whatever inbox this landed in
+ if gtsFollow.AccountID != inboxAcct.ID {
+ return errors.New("ACCEPT: follow object account and inbox account were not the same")
+ }
+ follow, err := f.db.AcceptFollowRequest(gtsFollow.AccountID, gtsFollow.TargetAccountID)
+ if err != nil {
+ return err
+ }
+
+ fromFederatorChan <- gtsmodel.FromFederator{
+ APObjectType: gtsmodel.ActivityStreamsFollow,
+ APActivityType: gtsmodel.ActivityStreamsAccept,
+ GTSModel: follow,
+ ReceivingAccount: inboxAcct,
+ }
+
+ return nil
+ }
+ }
+
+ return nil
+}
diff --git a/internal/federation/federatingdb/create.go b/internal/federation/federatingdb/create.go
new file mode 100644
index 000000000..026674e43
--- /dev/null
+++ b/internal/federation/federatingdb/create.go
@@ -0,0 +1,161 @@
+/*
+ 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 federatingdb
+
+import (
+ "context"
+ "encoding/json"
+ "errors"
+ "fmt"
+
+ "github.com/go-fed/activity/streams"
+ "github.com/go-fed/activity/streams/vocab"
+ "github.com/sirupsen/logrus"
+ "github.com/superseriousbusiness/gotosocial/internal/db"
+ "github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+ "github.com/superseriousbusiness/gotosocial/internal/util"
+)
+
+// Create adds a new entry to the database which must be able to be
+// keyed by its id.
+//
+// Note that Activity values received from federated peers may also be
+// created in the database this way if the Federating Protocol is
+// enabled. The client may freely decide to store only the id instead of
+// the entire value.
+//
+// The library makes this call only after acquiring a lock first.
+//
+// Under certain conditions and network activities, Create may be called
+// multiple times for the same ActivityStreams object.
+func (f *federatingDB) Create(ctx context.Context, asType vocab.Type) error {
+ l := f.log.WithFields(
+ logrus.Fields{
+ "func": "Create",
+ "asType": asType.GetTypeName(),
+ },
+ )
+ m, err := streams.Serialize(asType)
+ if err != nil {
+ return err
+ }
+ b, err := json.Marshal(m)
+ if err != nil {
+ return err
+ }
+
+ l.Debugf("received CREATE asType %s", string(b))
+
+ targetAcctI := ctx.Value(util.APAccount)
+ if targetAcctI == nil {
+ l.Error("target account wasn't set on context")
+ return nil
+ }
+ targetAcct, ok := targetAcctI.(*gtsmodel.Account)
+ if !ok {
+ l.Error("target account was set on context but couldn't be parsed")
+ return nil
+ }
+
+ fromFederatorChanI := ctx.Value(util.APFromFederatorChanKey)
+ if fromFederatorChanI == nil {
+ l.Error("from federator channel wasn't set on context")
+ return nil
+ }
+ fromFederatorChan, ok := fromFederatorChanI.(chan gtsmodel.FromFederator)
+ if !ok {
+ l.Error("from federator channel was set on context but couldn't be parsed")
+ return nil
+ }
+
+ switch asType.GetTypeName() {
+ case gtsmodel.ActivityStreamsCreate:
+ create, ok := asType.(vocab.ActivityStreamsCreate)
+ if !ok {
+ return errors.New("could not convert type to create")
+ }
+ object := create.GetActivityStreamsObject()
+ for objectIter := object.Begin(); objectIter != object.End(); objectIter = objectIter.Next() {
+ switch objectIter.GetType().GetTypeName() {
+ case gtsmodel.ActivityStreamsNote:
+ note := objectIter.GetActivityStreamsNote()
+ status, err := f.typeConverter.ASStatusToStatus(note)
+ if err != nil {
+ return fmt.Errorf("error converting note to status: %s", err)
+ }
+ if err := f.db.Put(status); err != nil {
+ if _, ok := err.(db.ErrAlreadyExists); ok {
+ return nil
+ }
+ return fmt.Errorf("database error inserting status: %s", err)
+ }
+
+ fromFederatorChan <- gtsmodel.FromFederator{
+ APObjectType: gtsmodel.ActivityStreamsNote,
+ APActivityType: gtsmodel.ActivityStreamsCreate,
+ GTSModel: status,
+ ReceivingAccount: targetAcct,
+ }
+ }
+ }
+ case gtsmodel.ActivityStreamsFollow:
+ follow, ok := asType.(vocab.ActivityStreamsFollow)
+ if !ok {
+ return errors.New("could not convert type to follow")
+ }
+
+ followRequest, err := f.typeConverter.ASFollowToFollowRequest(follow)
+ if err != nil {
+ return fmt.Errorf("could not convert Follow to follow request: %s", err)
+ }
+
+ if err := f.db.Put(followRequest); err != nil {
+ return fmt.Errorf("database error inserting follow request: %s", err)
+ }
+
+ fromFederatorChan <- gtsmodel.FromFederator{
+ APObjectType: gtsmodel.ActivityStreamsFollow,
+ APActivityType: gtsmodel.ActivityStreamsCreate,
+ GTSModel: followRequest,
+ ReceivingAccount: targetAcct,
+ }
+ case gtsmodel.ActivityStreamsLike:
+ like, ok := asType.(vocab.ActivityStreamsLike)
+ if !ok {
+ return errors.New("could not convert type to like")
+ }
+
+ fave, err := f.typeConverter.ASLikeToFave(like)
+ if err != nil {
+ return fmt.Errorf("could not convert Like to fave: %s", err)
+ }
+
+ if err := f.db.Put(fave); err != nil {
+ return fmt.Errorf("database error inserting fave: %s", err)
+ }
+
+ fromFederatorChan <- gtsmodel.FromFederator{
+ APObjectType: gtsmodel.ActivityStreamsLike,
+ APActivityType: gtsmodel.ActivityStreamsCreate,
+ GTSModel: fave,
+ ReceivingAccount: targetAcct,
+ }
+ }
+ return nil
+}
diff --git a/internal/federation/federatingdb/db.go b/internal/federation/federatingdb/db.go
new file mode 100644
index 000000000..b5207fc34
--- /dev/null
+++ b/internal/federation/federatingdb/db.go
@@ -0,0 +1,59 @@
+/*
+ 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 federatingdb
+
+import (
+ "context"
+ "sync"
+
+ "github.com/go-fed/activity/pub"
+ "github.com/go-fed/activity/streams/vocab"
+ "github.com/sirupsen/logrus"
+ "github.com/superseriousbusiness/gotosocial/internal/config"
+ "github.com/superseriousbusiness/gotosocial/internal/db"
+ "github.com/superseriousbusiness/gotosocial/internal/typeutils"
+)
+
+// DB wraps the pub.Database interface with a couple of custom functions for GoToSocial.
+type DB interface {
+ pub.Database
+ Undo(ctx context.Context, undo vocab.ActivityStreamsUndo) error
+ Accept(ctx context.Context, accept vocab.ActivityStreamsAccept) error
+}
+
+// FederatingDB uses the underlying DB interface to implement the go-fed pub.Database interface.
+// It doesn't care what the underlying implementation of the DB interface is, as long as it works.
+type federatingDB struct {
+ locks *sync.Map
+ db db.DB
+ config *config.Config
+ log *logrus.Logger
+ typeConverter typeutils.TypeConverter
+}
+
+// New returns a DB interface using the given database, config, and logger.
+func New(db db.DB, config *config.Config, log *logrus.Logger) DB {
+ return &federatingDB{
+ locks: new(sync.Map),
+ db: db,
+ config: config,
+ log: log,
+ typeConverter: typeutils.NewConverter(config, db),
+ }
+}
diff --git a/internal/federation/federatingdb/delete.go b/internal/federation/federatingdb/delete.go
new file mode 100644
index 000000000..fe32434c4
--- /dev/null
+++ b/internal/federation/federatingdb/delete.go
@@ -0,0 +1,86 @@
+package federatingdb
+
+import (
+ "context"
+ "fmt"
+ "net/url"
+
+ "github.com/sirupsen/logrus"
+ "github.com/superseriousbusiness/gotosocial/internal/db"
+ "github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+ "github.com/superseriousbusiness/gotosocial/internal/util"
+)
+
+// Delete removes the entry with the given id.
+//
+// Delete is only called for federated objects. Deletes from the Social
+// Protocol instead call Update to create a Tombstone.
+//
+// The library makes this call only after acquiring a lock first.
+func (f *federatingDB) Delete(ctx context.Context, id *url.URL) error {
+ l := f.log.WithFields(
+ logrus.Fields{
+ "func": "Delete",
+ "id": id.String(),
+ },
+ )
+ l.Debugf("received DELETE id %s", id.String())
+
+ inboxAcctI := ctx.Value(util.APAccount)
+ if inboxAcctI == nil {
+ l.Error("inbox account wasn't set on context")
+ return nil
+ }
+ inboxAcct, ok := inboxAcctI.(*gtsmodel.Account)
+ if !ok {
+ l.Error("inbox account was set on context but couldn't be parsed")
+ return nil
+ }
+
+ fromFederatorChanI := ctx.Value(util.APFromFederatorChanKey)
+ if fromFederatorChanI == nil {
+ l.Error("from federator channel wasn't set on context")
+ return nil
+ }
+ fromFederatorChan, ok := fromFederatorChanI.(chan gtsmodel.FromFederator)
+ if !ok {
+ l.Error("from federator channel was set on context but couldn't be parsed")
+ return nil
+ }
+
+ // in a delete we only get the URI, we can't know if we have a status or a profile or something else,
+ // so we have to try a few different things...
+ where := []db.Where{{Key: "uri", Value: id.String()}}
+
+ s := &gtsmodel.Status{}
+ if err := f.db.GetWhere(where, s); err == nil {
+ // it's a status
+ l.Debugf("uri is for status with id: %s", s.ID)
+ if err := f.db.DeleteByID(s.ID, &gtsmodel.Status{}); err != nil {
+ return fmt.Errorf("Delete: err deleting status: %s", err)
+ }
+ fromFederatorChan <- gtsmodel.FromFederator{
+ APObjectType: gtsmodel.ActivityStreamsNote,
+ APActivityType: gtsmodel.ActivityStreamsDelete,
+ GTSModel: s,
+ ReceivingAccount: inboxAcct,
+ }
+ }
+
+ a := &gtsmodel.Account{}
+ if err := f.db.GetWhere(where, a); err == nil {
+ // it's an account
+ l.Debugf("uri is for an account with id: %s", s.ID)
+ if err := f.db.DeleteByID(a.ID, &gtsmodel.Account{}); err != nil {
+ return fmt.Errorf("Delete: err deleting account: %s", err)
+ }
+ fromFederatorChan <- gtsmodel.FromFederator{
+ APObjectType: gtsmodel.ActivityStreamsProfile,
+ APActivityType: gtsmodel.ActivityStreamsDelete,
+ GTSModel: a,
+ ReceivingAccount: inboxAcct,
+ }
+ }
+
+ return nil
+}
diff --git a/internal/federation/federatingdb/exists.go b/internal/federation/federatingdb/exists.go
new file mode 100644
index 000000000..b5c10b895
--- /dev/null
+++ b/internal/federation/federatingdb/exists.go
@@ -0,0 +1,24 @@
+package federatingdb
+
+import (
+ "context"
+ "net/url"
+
+ "github.com/sirupsen/logrus"
+)
+
+// Exists returns true if the database has an entry for the specified
+// id. It may not be owned by this application instance.
+//
+// The library makes this call only after acquiring a lock first.
+func (f *federatingDB) Exists(c context.Context, id *url.URL) (exists bool, err error) {
+ l := f.log.WithFields(
+ logrus.Fields{
+ "func": "Exists",
+ "id": id.String(),
+ },
+ )
+ l.Debugf("entering EXISTS function with id %s", id.String())
+
+ return false, nil
+}
diff --git a/internal/federation/federatingdb/followers.go b/internal/federation/federatingdb/followers.go
new file mode 100644
index 000000000..28f3bb6d1
--- /dev/null
+++ b/internal/federation/federatingdb/followers.go
@@ -0,0 +1,55 @@
+package federatingdb
+
+import (
+ "context"
+ "fmt"
+ "net/url"
+
+ "github.com/go-fed/activity/streams"
+ "github.com/go-fed/activity/streams/vocab"
+ "github.com/sirupsen/logrus"
+ "github.com/superseriousbusiness/gotosocial/internal/db"
+ "github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+)
+
+// Followers obtains the Followers Collection for an actor with the
+// given id.
+//
+// If modified, the library will then call Update.
+//
+// The library makes this call only after acquiring a lock first.
+func (f *federatingDB) Followers(c context.Context, actorIRI *url.URL) (followers vocab.ActivityStreamsCollection, err error) {
+ l := f.log.WithFields(
+ logrus.Fields{
+ "func": "Followers",
+ "actorIRI": actorIRI.String(),
+ },
+ )
+ l.Debugf("entering FOLLOWERS function with actorIRI %s", actorIRI.String())
+
+ acct := &gtsmodel.Account{}
+ if err := f.db.GetWhere([]db.Where{{Key: "uri", Value: actorIRI.String()}}, acct); err != nil {
+ return nil, fmt.Errorf("db error getting account with uri %s: %s", actorIRI.String(), err)
+ }
+
+ acctFollowers := []gtsmodel.Follow{}
+ if err := f.db.GetFollowersByAccountID(acct.ID, &acctFollowers); err != nil {
+ return nil, fmt.Errorf("db error getting followers for account id %s: %s", acct.ID, err)
+ }
+
+ followers = streams.NewActivityStreamsCollection()
+ items := streams.NewActivityStreamsItemsProperty()
+ for _, follow := range acctFollowers {
+ gtsFollower := &gtsmodel.Account{}
+ if err := f.db.GetByID(follow.AccountID, gtsFollower); err != nil {
+ return nil, fmt.Errorf("db error getting account id %s: %s", follow.AccountID, err)
+ }
+ uri, err := url.Parse(gtsFollower.URI)
+ if err != nil {
+ return nil, fmt.Errorf("error parsing %s as url: %s", gtsFollower.URI, err)
+ }
+ items.AppendIRI(uri)
+ }
+ followers.SetActivityStreamsItems(items)
+ return
+}
diff --git a/internal/federation/federatingdb/following.go b/internal/federation/federatingdb/following.go
new file mode 100644
index 000000000..342250880
--- /dev/null
+++ b/internal/federation/federatingdb/following.go
@@ -0,0 +1,55 @@
+package federatingdb
+
+import (
+ "context"
+ "fmt"
+ "net/url"
+
+ "github.com/go-fed/activity/streams"
+ "github.com/go-fed/activity/streams/vocab"
+ "github.com/sirupsen/logrus"
+ "github.com/superseriousbusiness/gotosocial/internal/db"
+ "github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+)
+
+// Following obtains the Following Collection for an actor with the
+// given id.
+//
+// If modified, the library will then call Update.
+//
+// The library makes this call only after acquiring a lock first.
+func (f *federatingDB) Following(c context.Context, actorIRI *url.URL) (following vocab.ActivityStreamsCollection, err error) {
+ l := f.log.WithFields(
+ logrus.Fields{
+ "func": "Following",
+ "actorIRI": actorIRI.String(),
+ },
+ )
+ l.Debugf("entering FOLLOWING function with actorIRI %s", actorIRI.String())
+
+ acct := &gtsmodel.Account{}
+ if err := f.db.GetWhere([]db.Where{{Key: "uri", Value: actorIRI.String()}}, acct); err != nil {
+ return nil, fmt.Errorf("db error getting account with uri %s: %s", actorIRI.String(), err)
+ }
+
+ acctFollowing := []gtsmodel.Follow{}
+ if err := f.db.GetFollowingByAccountID(acct.ID, &acctFollowing); err != nil {
+ return nil, fmt.Errorf("db error getting following for account id %s: %s", acct.ID, err)
+ }
+
+ following = streams.NewActivityStreamsCollection()
+ items := streams.NewActivityStreamsItemsProperty()
+ for _, follow := range acctFollowing {
+ gtsFollowing := &gtsmodel.Account{}
+ if err := f.db.GetByID(follow.AccountID, gtsFollowing); err != nil {
+ return nil, fmt.Errorf("db error getting account id %s: %s", follow.AccountID, err)
+ }
+ uri, err := url.Parse(gtsFollowing.URI)
+ if err != nil {
+ return nil, fmt.Errorf("error parsing %s as url: %s", gtsFollowing.URI, err)
+ }
+ items.AppendIRI(uri)
+ }
+ following.SetActivityStreamsItems(items)
+ return
+}
diff --git a/internal/federation/federatingdb/get.go b/internal/federation/federatingdb/get.go
new file mode 100644
index 000000000..77a24bf43
--- /dev/null
+++ b/internal/federation/federatingdb/get.go
@@ -0,0 +1,83 @@
+/*
+ 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 federatingdb
+
+import (
+ "context"
+ "errors"
+ "net/url"
+
+ "github.com/go-fed/activity/streams/vocab"
+ "github.com/sirupsen/logrus"
+ "github.com/superseriousbusiness/gotosocial/internal/db"
+ "github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+ "github.com/superseriousbusiness/gotosocial/internal/util"
+)
+
+// Get returns the database entry for the specified id.
+//
+// The library makes this call only after acquiring a lock first.
+func (f *federatingDB) Get(c context.Context, id *url.URL) (value vocab.Type, err error) {
+ l := f.log.WithFields(
+ logrus.Fields{
+ "func": "Get",
+ "id": id.String(),
+ },
+ )
+ l.Debug("entering GET function")
+
+ if util.IsUserPath(id) {
+ acct := &gtsmodel.Account{}
+ if err := f.db.GetWhere([]db.Where{{Key: "uri", Value: id.String()}}, acct); err != nil {
+ return nil, err
+ }
+ l.Debug("is user path! returning account")
+ return f.typeConverter.AccountToAS(acct)
+ }
+
+ if util.IsFollowersPath(id) {
+ acct := &gtsmodel.Account{}
+ if err := f.db.GetWhere([]db.Where{{Key: "followers_uri", Value: id.String()}}, acct); err != nil {
+ return nil, err
+ }
+
+ followersURI, err := url.Parse(acct.FollowersURI)
+ if err != nil {
+ return nil, err
+ }
+
+ return f.Followers(c, followersURI)
+ }
+
+ if util.IsFollowingPath(id) {
+ acct := &gtsmodel.Account{}
+ if err := f.db.GetWhere([]db.Where{{Key: "following_uri", Value: id.String()}}, acct); err != nil {
+ return nil, err
+ }
+
+ followingURI, err := url.Parse(acct.FollowingURI)
+ if err != nil {
+ return nil, err
+ }
+
+ return f.Following(c, followingURI)
+ }
+
+ return nil, errors.New("could not get")
+}
diff --git a/internal/federation/federatingdb/inbox.go b/internal/federation/federatingdb/inbox.go
new file mode 100644
index 000000000..25ef2cda5
--- /dev/null
+++ b/internal/federation/federatingdb/inbox.go
@@ -0,0 +1,73 @@
+package federatingdb
+
+import (
+ "context"
+ "fmt"
+ "net/url"
+
+ "github.com/go-fed/activity/pub"
+ "github.com/go-fed/activity/streams"
+ "github.com/go-fed/activity/streams/vocab"
+ "github.com/sirupsen/logrus"
+ "github.com/superseriousbusiness/gotosocial/internal/util"
+)
+
+// InboxContains returns true if the OrderedCollection at 'inbox'
+// contains the specified 'id'.
+//
+// The library makes this call only after acquiring a lock first.
+func (f *federatingDB) InboxContains(c context.Context, inbox, id *url.URL) (contains bool, err error) {
+ l := f.log.WithFields(
+ logrus.Fields{
+ "func": "InboxContains",
+ "id": id.String(),
+ },
+ )
+ l.Debugf("entering INBOXCONTAINS function with for inbox %s and id %s", inbox.String(), id.String())
+
+ if !util.IsInboxPath(inbox) {
+ return false, fmt.Errorf("%s is not an inbox URI", inbox.String())
+ }
+
+ activityI := c.Value(util.APActivity)
+ if activityI == nil {
+ return false, fmt.Errorf("no activity was set for id %s", id.String())
+ }
+ activity, ok := activityI.(pub.Activity)
+ if !ok || activity == nil {
+ return false, fmt.Errorf("could not parse contextual activity for id %s", id.String())
+ }
+
+ l.Debugf("activity type %s for id %s", activity.GetTypeName(), id.String())
+
+ return false, nil
+}
+
+// GetInbox returns the first ordered collection page of the outbox at
+// the specified IRI, for prepending new items.
+//
+// The library makes this call only after acquiring a lock first.
+func (f *federatingDB) GetInbox(c context.Context, inboxIRI *url.URL) (inbox vocab.ActivityStreamsOrderedCollectionPage, err error) {
+ l := f.log.WithFields(
+ logrus.Fields{
+ "func": "GetInbox",
+ },
+ )
+ l.Debugf("entering GETINBOX function with inboxIRI %s", inboxIRI.String())
+ return streams.NewActivityStreamsOrderedCollectionPage(), nil
+}
+
+// SetInbox saves the inbox value given from GetInbox, with new items
+// prepended. Note that the new items must not be added as independent
+// database entries. Separate calls to Create will do that.
+//
+// The library makes this call only after acquiring a lock first.
+func (f *federatingDB) SetInbox(c context.Context, inbox vocab.ActivityStreamsOrderedCollectionPage) error {
+ l := f.log.WithFields(
+ logrus.Fields{
+ "func": "SetInbox",
+ },
+ )
+ l.Debug("entering SETINBOX function")
+ return nil
+}
diff --git a/internal/federation/federatingdb/liked.go b/internal/federation/federatingdb/liked.go
new file mode 100644
index 000000000..5645d6f1e
--- /dev/null
+++ b/internal/federation/federatingdb/liked.go
@@ -0,0 +1,26 @@
+package federatingdb
+
+import (
+ "context"
+ "net/url"
+
+ "github.com/go-fed/activity/streams/vocab"
+ "github.com/sirupsen/logrus"
+)
+
+// Liked obtains the Liked Collection for an actor with the
+// given id.
+//
+// If modified, the library will then call Update.
+//
+// The library makes this call only after acquiring a lock first.
+func (f *federatingDB) Liked(c context.Context, actorIRI *url.URL) (liked vocab.ActivityStreamsCollection, err error) {
+ l := f.log.WithFields(
+ logrus.Fields{
+ "func": "Liked",
+ "actorIRI": actorIRI.String(),
+ },
+ )
+ l.Debugf("entering LIKED function with actorIRI %s", actorIRI.String())
+ return nil, nil
+}
diff --git a/internal/federation/federatingdb/lock.go b/internal/federation/federatingdb/lock.go
new file mode 100644
index 000000000..417fd79b2
--- /dev/null
+++ b/internal/federation/federatingdb/lock.go
@@ -0,0 +1,70 @@
+/*
+ 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 federatingdb
+
+import (
+ "context"
+ "errors"
+ "net/url"
+ "sync"
+)
+
+// Lock takes a lock for the object at the specified id. If an error
+// is returned, the lock must not have been taken.
+//
+// The lock must be able to succeed for an id that does not exist in
+// the database. This means acquiring the lock does not guarantee the
+// entry exists in the database.
+//
+// Locks are encouraged to be lightweight and in the Go layer, as some
+// processes require tight loops acquiring and releasing locks.
+//
+// Used to ensure race conditions in multiple requests do not occur.
+func (f *federatingDB) Lock(c context.Context, id *url.URL) error {
+ // Before any other Database methods are called, the relevant `id`
+ // entries are locked to allow for fine-grained concurrency.
+
+ // Strategy: create a new lock, if stored, continue. Otherwise, lock the
+ // existing mutex.
+ mu := &sync.Mutex{}
+ mu.Lock() // Optimistically lock if we do store it.
+ i, loaded := f.locks.LoadOrStore(id.String(), mu)
+ if loaded {
+ mu = i.(*sync.Mutex)
+ mu.Lock()
+ }
+ return nil
+}
+
+// Unlock makes the lock for the object at the specified id available.
+// If an error is returned, the lock must have still been freed.
+//
+// Used to ensure race conditions in multiple requests do not occur.
+func (f *federatingDB) Unlock(c context.Context, id *url.URL) error {
+ // Once Go-Fed is done calling Database methods, the relevant `id`
+ // entries are unlocked.
+
+ i, ok := f.locks.Load(id.String())
+ if !ok {
+ return errors.New("missing an id in unlock")
+ }
+ mu := i.(*sync.Mutex)
+ mu.Unlock()
+ return nil
+}
diff --git a/internal/federation/federatingdb/outbox.go b/internal/federation/federatingdb/outbox.go
new file mode 100644
index 000000000..1568e0017
--- /dev/null
+++ b/internal/federation/federatingdb/outbox.go
@@ -0,0 +1,71 @@
+package federatingdb
+
+import (
+ "context"
+ "fmt"
+ "net/url"
+
+ "github.com/go-fed/activity/streams"
+ "github.com/go-fed/activity/streams/vocab"
+ "github.com/sirupsen/logrus"
+ "github.com/superseriousbusiness/gotosocial/internal/db"
+ "github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+ "github.com/superseriousbusiness/gotosocial/internal/util"
+)
+
+// GetOutbox returns the first ordered collection page of the outbox
+// at the specified IRI, for prepending new items.
+//
+// The library makes this call only after acquiring a lock first.
+func (f *federatingDB) GetOutbox(c context.Context, outboxIRI *url.URL) (inbox vocab.ActivityStreamsOrderedCollectionPage, err error) {
+ l := f.log.WithFields(
+ logrus.Fields{
+ "func": "GetOutbox",
+ },
+ )
+ l.Debug("entering GETOUTBOX function")
+
+ return streams.NewActivityStreamsOrderedCollectionPage(), nil
+}
+
+// SetOutbox saves the outbox value given from GetOutbox, with new items
+// prepended. Note that the new items must not be added as independent
+// database entries. Separate calls to Create will do that.
+//
+// The library makes this call only after acquiring a lock first.
+func (f *federatingDB) SetOutbox(c context.Context, outbox vocab.ActivityStreamsOrderedCollectionPage) error {
+ l := f.log.WithFields(
+ logrus.Fields{
+ "func": "SetOutbox",
+ },
+ )
+ l.Debug("entering SETOUTBOX function")
+
+ return nil
+}
+
+// OutboxForInbox fetches the corresponding actor's outbox IRI for the
+// actor's inbox IRI.
+//
+// The library makes this call only after acquiring a lock first.
+func (f *federatingDB) OutboxForInbox(c context.Context, inboxIRI *url.URL) (outboxIRI *url.URL, err error) {
+ l := f.log.WithFields(
+ logrus.Fields{
+ "func": "OutboxForInbox",
+ "inboxIRI": inboxIRI.String(),
+ },
+ )
+ l.Debugf("entering OUTBOXFORINBOX function with inboxIRI %s", inboxIRI.String())
+
+ if !util.IsInboxPath(inboxIRI) {
+ return nil, fmt.Errorf("%s is not an inbox URI", inboxIRI.String())
+ }
+ acct := &gtsmodel.Account{}
+ if err := f.db.GetWhere([]db.Where{{Key: "inbox_uri", Value: inboxIRI.String()}}, acct); err != nil {
+ if _, ok := err.(db.ErrNoEntries); ok {
+ return nil, fmt.Errorf("no actor found that corresponds to inbox %s", inboxIRI.String())
+ }
+ return nil, fmt.Errorf("db error searching for actor with inbox %s", inboxIRI.String())
+ }
+ return url.Parse(acct.OutboxURI)
+}
diff --git a/internal/federation/federatingdb/owns.go b/internal/federation/federatingdb/owns.go
new file mode 100644
index 000000000..fe7160021
--- /dev/null
+++ b/internal/federation/federatingdb/owns.go
@@ -0,0 +1,123 @@
+/*
+ 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 federatingdb
+
+import (
+ "context"
+ "fmt"
+ "net/url"
+
+ "github.com/sirupsen/logrus"
+ "github.com/superseriousbusiness/gotosocial/internal/db"
+ "github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+ "github.com/superseriousbusiness/gotosocial/internal/util"
+)
+
+// Owns returns true if the IRI belongs to this instance, and if
+// the database has an entry for the IRI.
+// The library makes this call only after acquiring a lock first.
+func (f *federatingDB) Owns(c context.Context, id *url.URL) (bool, error) {
+ l := f.log.WithFields(
+ logrus.Fields{
+ "func": "Owns",
+ "id": id.String(),
+ },
+ )
+ l.Debugf("entering OWNS function with id %s", id.String())
+
+ // if the id host isn't this instance host, we don't own this IRI
+ if id.Host != f.config.Host {
+ l.Debugf("we DO NOT own activity because the host is %s not %s", id.Host, f.config.Host)
+ return false, nil
+ }
+
+ // apparently it belongs to this host, so what *is* it?
+
+ // check if it's a status, eg /users/example_username/statuses/SOME_UUID_OF_A_STATUS
+ if util.IsStatusesPath(id) {
+ _, uid, err := util.ParseStatusesPath(id)
+ if err != nil {
+ return false, fmt.Errorf("error parsing statuses path for url %s: %s", id.String(), err)
+ }
+ if err := f.db.GetWhere([]db.Where{{Key: "uri", Value: uid}}, &gtsmodel.Status{}); err != nil {
+ if _, ok := err.(db.ErrNoEntries); ok {
+ // there are no entries for this status
+ return false, nil
+ }
+ // an actual error happened
+ return false, fmt.Errorf("database error fetching status with id %s: %s", uid, err)
+ }
+ l.Debug("we DO own this")
+ return true, nil
+ }
+
+ // check if it's a user, eg /users/example_username
+ if util.IsUserPath(id) {
+ username, err := util.ParseUserPath(id)
+ if err != nil {
+ return false, fmt.Errorf("error parsing statuses path for url %s: %s", id.String(), err)
+ }
+ if err := f.db.GetLocalAccountByUsername(username, &gtsmodel.Account{}); err != nil {
+ if _, ok := err.(db.ErrNoEntries); ok {
+ // there are no entries for this username
+ return false, nil
+ }
+ // an actual error happened
+ return false, fmt.Errorf("database error fetching account with username %s: %s", username, err)
+ }
+ l.Debug("we DO own this")
+ return true, nil
+ }
+
+ if util.IsFollowersPath(id) {
+ username, err := util.ParseFollowersPath(id)
+ if err != nil {
+ return false, fmt.Errorf("error parsing statuses path for url %s: %s", id.String(), err)
+ }
+ if err := f.db.GetLocalAccountByUsername(username, &gtsmodel.Account{}); err != nil {
+ if _, ok := err.(db.ErrNoEntries); ok {
+ // there are no entries for this username
+ return false, nil
+ }
+ // an actual error happened
+ return false, fmt.Errorf("database error fetching account with username %s: %s", username, err)
+ }
+ l.Debug("we DO own this")
+ return true, nil
+ }
+
+ if util.IsFollowingPath(id) {
+ username, err := util.ParseFollowingPath(id)
+ if err != nil {
+ return false, fmt.Errorf("error parsing statuses path for url %s: %s", id.String(), err)
+ }
+ if err := f.db.GetLocalAccountByUsername(username, &gtsmodel.Account{}); err != nil {
+ if _, ok := err.(db.ErrNoEntries); ok {
+ // there are no entries for this username
+ return false, nil
+ }
+ // an actual error happened
+ return false, fmt.Errorf("database error fetching account with username %s: %s", username, err)
+ }
+ l.Debug("we DO own this")
+ return true, nil
+ }
+
+ return false, fmt.Errorf("could not match activityID: %s", id.String())
+}
diff --git a/internal/federation/federatingdb/undo.go b/internal/federation/federatingdb/undo.go
new file mode 100644
index 000000000..8ca681bb2
--- /dev/null
+++ b/internal/federation/federatingdb/undo.go
@@ -0,0 +1,89 @@
+package federatingdb
+
+import (
+ "context"
+ "encoding/json"
+ "errors"
+ "fmt"
+
+ "github.com/go-fed/activity/streams"
+ "github.com/go-fed/activity/streams/vocab"
+ "github.com/sirupsen/logrus"
+ "github.com/superseriousbusiness/gotosocial/internal/db"
+ "github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+ "github.com/superseriousbusiness/gotosocial/internal/util"
+)
+
+func (f *federatingDB) Undo(ctx context.Context, undo vocab.ActivityStreamsUndo) error {
+ l := f.log.WithFields(
+ logrus.Fields{
+ "func": "Undo",
+ "asType": undo.GetTypeName(),
+ },
+ )
+ m, err := streams.Serialize(undo)
+ if err != nil {
+ return err
+ }
+ b, err := json.Marshal(m)
+ if err != nil {
+ return err
+ }
+ l.Debugf("received UNDO asType %s", string(b))
+
+ targetAcctI := ctx.Value(util.APAccount)
+ if targetAcctI == nil {
+ l.Error("UNDO: target account wasn't set on context")
+ return nil
+ }
+ targetAcct, ok := targetAcctI.(*gtsmodel.Account)
+ if !ok {
+ l.Error("UNDO: target account was set on context but couldn't be parsed")
+ return nil
+ }
+
+ undoObject := undo.GetActivityStreamsObject()
+ if undoObject == nil {
+ return errors.New("UNDO: no object set on vocab.ActivityStreamsUndo")
+ }
+
+ for iter := undoObject.Begin(); iter != undoObject.End(); iter = iter.Next() {
+ switch iter.GetType().GetTypeName() {
+ case string(gtsmodel.ActivityStreamsFollow):
+ // UNDO FOLLOW
+ ASFollow, ok := iter.GetType().(vocab.ActivityStreamsFollow)
+ if !ok {
+ return errors.New("UNDO: couldn't parse follow into vocab.ActivityStreamsFollow")
+ }
+ // make sure the actor owns the follow
+ if !sameActor(undo.GetActivityStreamsActor(), ASFollow.GetActivityStreamsActor()) {
+ return errors.New("UNDO: follow actor and activity actor not the same")
+ }
+ // convert the follow to something we can understand
+ gtsFollow, err := f.typeConverter.ASFollowToFollow(ASFollow)
+ if err != nil {
+ return fmt.Errorf("UNDO: error converting asfollow to gtsfollow: %s", err)
+ }
+ // make sure the addressee of the original follow is the same as whatever inbox this landed in
+ if gtsFollow.TargetAccountID != targetAcct.ID {
+ return errors.New("UNDO: follow object account and inbox account were not the same")
+ }
+ // delete any existing FOLLOW
+ if err := f.db.DeleteWhere([]db.Where{{Key: "uri", Value: gtsFollow.URI}}, &gtsmodel.Follow{}); err != nil {
+ return fmt.Errorf("UNDO: db error removing follow: %s", err)
+ }
+ // delete any existing FOLLOW REQUEST
+ if err := f.db.DeleteWhere([]db.Where{{Key: "uri", Value: gtsFollow.URI}}, &gtsmodel.FollowRequest{}); err != nil {
+ return fmt.Errorf("UNDO: db error removing follow request: %s", err)
+ }
+ l.Debug("follow undone")
+ return nil
+ case string(gtsmodel.ActivityStreamsLike):
+ // UNDO LIKE
+ case string(gtsmodel.ActivityStreamsAnnounce):
+ // UNDO BOOST/REBLOG/ANNOUNCE
+ }
+ }
+
+ return nil
+}
diff --git a/internal/federation/federatingdb/update.go b/internal/federation/federatingdb/update.go
new file mode 100644
index 000000000..3ac5f265a
--- /dev/null
+++ b/internal/federation/federatingdb/update.go
@@ -0,0 +1,142 @@
+package federatingdb
+
+import (
+ "context"
+ "encoding/json"
+ "errors"
+ "fmt"
+
+ "github.com/go-fed/activity/streams"
+ "github.com/go-fed/activity/streams/vocab"
+ "github.com/sirupsen/logrus"
+ "github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+ "github.com/superseriousbusiness/gotosocial/internal/typeutils"
+ "github.com/superseriousbusiness/gotosocial/internal/util"
+)
+
+// Update sets an existing entry to the database based on the value's
+// id.
+//
+// Note that Activity values received from federated peers may also be
+// updated in the database this way if the Federating Protocol is
+// enabled. The client may freely decide to store only the id instead of
+// the entire value.
+//
+// The library makes this call only after acquiring a lock first.
+func (f *federatingDB) Update(ctx context.Context, asType vocab.Type) error {
+ l := f.log.WithFields(
+ logrus.Fields{
+ "func": "Update",
+ "asType": asType.GetTypeName(),
+ },
+ )
+ m, err := streams.Serialize(asType)
+ if err != nil {
+ return err
+ }
+ b, err := json.Marshal(m)
+ if err != nil {
+ return err
+ }
+
+ l.Debugf("received UPDATE asType %s", string(b))
+
+ receivingAcctI := ctx.Value(util.APAccount)
+ if receivingAcctI == nil {
+ l.Error("receiving account wasn't set on context")
+ }
+ receivingAcct, ok := receivingAcctI.(*gtsmodel.Account)
+ if !ok {
+ l.Error("receiving account was set on context but couldn't be parsed")
+ }
+
+ requestingAcctI := ctx.Value(util.APRequestingAccount)
+ if receivingAcctI == nil {
+ l.Error("requesting account wasn't set on context")
+ }
+ requestingAcct, ok := requestingAcctI.(*gtsmodel.Account)
+ if !ok {
+ l.Error("requesting account was set on context but couldn't be parsed")
+ }
+
+ fromFederatorChanI := ctx.Value(util.APFromFederatorChanKey)
+ if fromFederatorChanI == nil {
+ l.Error("from federator channel wasn't set on context")
+ }
+ fromFederatorChan, ok := fromFederatorChanI.(chan gtsmodel.FromFederator)
+ if !ok {
+ l.Error("from federator channel was set on context but couldn't be parsed")
+ }
+
+ typeName := asType.GetTypeName()
+ if typeName == gtsmodel.ActivityStreamsApplication ||
+ typeName == gtsmodel.ActivityStreamsGroup ||
+ typeName == gtsmodel.ActivityStreamsOrganization ||
+ typeName == gtsmodel.ActivityStreamsPerson ||
+ typeName == gtsmodel.ActivityStreamsService {
+ // it's an UPDATE to some kind of account
+ var accountable typeutils.Accountable
+
+ switch asType.GetTypeName() {
+ case gtsmodel.ActivityStreamsApplication:
+ l.Debug("got update for APPLICATION")
+ i, ok := asType.(vocab.ActivityStreamsApplication)
+ if !ok {
+ return errors.New("could not convert type to application")
+ }
+ accountable = i
+ case gtsmodel.ActivityStreamsGroup:
+ l.Debug("got update for GROUP")
+ i, ok := asType.(vocab.ActivityStreamsGroup)
+ if !ok {
+ return errors.New("could not convert type to group")
+ }
+ accountable = i
+ case gtsmodel.ActivityStreamsOrganization:
+ l.Debug("got update for ORGANIZATION")
+ i, ok := asType.(vocab.ActivityStreamsOrganization)
+ if !ok {
+ return errors.New("could not convert type to organization")
+ }
+ accountable = i
+ case gtsmodel.ActivityStreamsPerson:
+ l.Debug("got update for PERSON")
+ i, ok := asType.(vocab.ActivityStreamsPerson)
+ if !ok {
+ return errors.New("could not convert type to person")
+ }
+ accountable = i
+ case gtsmodel.ActivityStreamsService:
+ l.Debug("got update for SERVICE")
+ i, ok := asType.(vocab.ActivityStreamsService)
+ if !ok {
+ return errors.New("could not convert type to service")
+ }
+ accountable = i
+ }
+
+ updatedAcct, err := f.typeConverter.ASRepresentationToAccount(accountable, true)
+ if err != nil {
+ return fmt.Errorf("error converting to account: %s", err)
+ }
+
+ if requestingAcct.URI != updatedAcct.URI {
+ return fmt.Errorf("update for account %s was requested by account %s, this is not valid", updatedAcct.URI, requestingAcct.URI)
+ }
+
+ updatedAcct.ID = requestingAcct.ID // set this here so the db will update properly instead of trying to PUT this and getting constraint issues
+ if err := f.db.UpdateByID(requestingAcct.ID, updatedAcct); err != nil {
+ return fmt.Errorf("database error inserting updated account: %s", err)
+ }
+
+ fromFederatorChan <- gtsmodel.FromFederator{
+ APObjectType: gtsmodel.ActivityStreamsProfile,
+ APActivityType: gtsmodel.ActivityStreamsUpdate,
+ GTSModel: updatedAcct,
+ ReceivingAccount: receivingAcct,
+ }
+
+ }
+
+ return nil
+}
diff --git a/internal/federation/federatingdb/util.go b/internal/federation/federatingdb/util.go
new file mode 100644
index 000000000..be3cff944
--- /dev/null
+++ b/internal/federation/federatingdb/util.go
@@ -0,0 +1,187 @@
+/*
+ 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 federatingdb
+
+import (
+ "context"
+ "encoding/json"
+ "errors"
+ "fmt"
+ "net/url"
+
+ "github.com/go-fed/activity/streams"
+ "github.com/go-fed/activity/streams/vocab"
+ "github.com/google/uuid"
+ "github.com/sirupsen/logrus"
+ "github.com/superseriousbusiness/gotosocial/internal/db"
+ "github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+ "github.com/superseriousbusiness/gotosocial/internal/util"
+)
+
+func sameActor(activityActor vocab.ActivityStreamsActorProperty, followActor vocab.ActivityStreamsActorProperty) bool {
+ if activityActor == nil || followActor == nil {
+ return false
+ }
+ for aIter := activityActor.Begin(); aIter != activityActor.End(); aIter = aIter.Next() {
+ for fIter := followActor.Begin(); fIter != followActor.End(); fIter = fIter.Next() {
+ if aIter.GetIRI() == nil {
+ return false
+ }
+ if fIter.GetIRI() == nil {
+ return false
+ }
+ if aIter.GetIRI().String() == fIter.GetIRI().String() {
+ return true
+ }
+ }
+ }
+ return false
+}
+
+// NewID creates a new IRI id for the provided activity or object. The
+// implementation does not need to set the 'id' property and simply
+// needs to determine the value.
+//
+// The go-fed library will handle setting the 'id' property on the
+// activity or object provided with the value returned.
+func (f *federatingDB) NewID(c context.Context, t vocab.Type) (id *url.URL, err error) {
+ l := f.log.WithFields(
+ logrus.Fields{
+ "func": "NewID",
+ "asType": t.GetTypeName(),
+ },
+ )
+ m, err := streams.Serialize(t)
+ if err != nil {
+ return nil, err
+ }
+ b, err := json.Marshal(m)
+ if err != nil {
+ return nil, err
+ }
+ l.Debugf("received NEWID request for asType %s", string(b))
+
+ switch t.GetTypeName() {
+ case gtsmodel.ActivityStreamsFollow:
+ // FOLLOW
+ // ID might already be set on a follow we've created, so check it here and return it if it is
+ follow, ok := t.(vocab.ActivityStreamsFollow)
+ if !ok {
+ return nil, errors.New("newid: follow couldn't be parsed into vocab.ActivityStreamsFollow")
+ }
+ idProp := follow.GetJSONLDId()
+ if idProp != nil {
+ if idProp.IsIRI() {
+ return idProp.GetIRI(), nil
+ }
+ }
+ // it's not set so create one based on the actor set on the follow (ie., the followER not the followEE)
+ actorProp := follow.GetActivityStreamsActor()
+ if actorProp != nil {
+ for iter := actorProp.Begin(); iter != actorProp.End(); iter = iter.Next() {
+ // take the IRI of the first actor we can find (there should only be one)
+ if iter.IsIRI() {
+ actorAccount := &gtsmodel.Account{}
+ if err := f.db.GetWhere([]db.Where{{Key: "uri", Value: iter.GetIRI().String()}}, actorAccount); err == nil { // if there's an error here, just use the fallback behavior -- we don't need to return an error here
+ return url.Parse(util.GenerateURIForFollow(actorAccount.Username, f.config.Protocol, f.config.Host, uuid.NewString()))
+ }
+ }
+ }
+ }
+ case gtsmodel.ActivityStreamsNote:
+ // NOTE aka STATUS
+ // ID might already be set on a note we've created, so check it here and return it if it is
+ note, ok := t.(vocab.ActivityStreamsNote)
+ if !ok {
+ return nil, errors.New("newid: note couldn't be parsed into vocab.ActivityStreamsNote")
+ }
+ idProp := note.GetJSONLDId()
+ if idProp != nil {
+ if idProp.IsIRI() {
+ return idProp.GetIRI(), nil
+ }
+ }
+ case gtsmodel.ActivityStreamsLike:
+ // LIKE aka FAVE
+ // ID might already be set on a fave we've created, so check it here and return it if it is
+ fave, ok := t.(vocab.ActivityStreamsLike)
+ if !ok {
+ return nil, errors.New("newid: fave couldn't be parsed into vocab.ActivityStreamsLike")
+ }
+ idProp := fave.GetJSONLDId()
+ if idProp != nil {
+ if idProp.IsIRI() {
+ return idProp.GetIRI(), nil
+ }
+ }
+ }
+
+ // fallback default behavior: just return a random UUID after our protocol and host
+ return url.Parse(fmt.Sprintf("%s://%s/%s", f.config.Protocol, f.config.Host, uuid.NewString()))
+}
+
+// ActorForOutbox fetches the actor's IRI for the given outbox IRI.
+//
+// The library makes this call only after acquiring a lock first.
+func (f *federatingDB) ActorForOutbox(c context.Context, outboxIRI *url.URL) (actorIRI *url.URL, err error) {
+ l := f.log.WithFields(
+ logrus.Fields{
+ "func": "ActorForOutbox",
+ "inboxIRI": outboxIRI.String(),
+ },
+ )
+ l.Debugf("entering ACTORFOROUTBOX function with outboxIRI %s", outboxIRI.String())
+
+ if !util.IsOutboxPath(outboxIRI) {
+ return nil, fmt.Errorf("%s is not an outbox URI", outboxIRI.String())
+ }
+ acct := &gtsmodel.Account{}
+ if err := f.db.GetWhere([]db.Where{{Key: "outbox_uri", Value: outboxIRI.String()}}, acct); err != nil {
+ if _, ok := err.(db.ErrNoEntries); ok {
+ return nil, fmt.Errorf("no actor found that corresponds to outbox %s", outboxIRI.String())
+ }
+ return nil, fmt.Errorf("db error searching for actor with outbox %s", outboxIRI.String())
+ }
+ return url.Parse(acct.URI)
+}
+
+// ActorForInbox fetches the actor's IRI for the given outbox IRI.
+//
+// The library makes this call only after acquiring a lock first.
+func (f *federatingDB) ActorForInbox(c context.Context, inboxIRI *url.URL) (actorIRI *url.URL, err error) {
+ l := f.log.WithFields(
+ logrus.Fields{
+ "func": "ActorForInbox",
+ "inboxIRI": inboxIRI.String(),
+ },
+ )
+ l.Debugf("entering ACTORFORINBOX function with inboxIRI %s", inboxIRI.String())
+
+ if !util.IsInboxPath(inboxIRI) {
+ return nil, fmt.Errorf("%s is not an inbox URI", inboxIRI.String())
+ }
+ acct := &gtsmodel.Account{}
+ if err := f.db.GetWhere([]db.Where{{Key: "inbox_uri", Value: inboxIRI.String()}}, acct); err != nil {
+ if _, ok := err.(db.ErrNoEntries); ok {
+ return nil, fmt.Errorf("no actor found that corresponds to inbox %s", inboxIRI.String())
+ }
+ return nil, fmt.Errorf("db error searching for actor with inbox %s", inboxIRI.String())
+ }
+ return url.Parse(acct.URI)
+}