gotosocial/internal/processing/fromclientapi.go

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/*
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 processing
import (
"context"
"errors"
"fmt"
"net/url"
"github.com/go-fed/activity/streams"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
)
func (p *processor) processFromClientAPI(clientMsg gtsmodel.FromClientAPI) error {
switch clientMsg.APActivityType {
case gtsmodel.ActivityStreamsCreate:
// CREATE
switch clientMsg.APObjectType {
case gtsmodel.ActivityStreamsNote:
// CREATE NOTE
status, ok := clientMsg.GTSModel.(*gtsmodel.Status)
if !ok {
return errors.New("note was not parseable as *gtsmodel.Status")
}
if err := p.timelineStatus(status); err != nil {
return err
}
if err := p.notifyStatus(status); err != nil {
return err
}
if status.VisibilityAdvanced != nil && status.VisibilityAdvanced.Federated {
return p.federateStatus(status)
}
case gtsmodel.ActivityStreamsFollow:
// CREATE FOLLOW REQUEST
followRequest, ok := clientMsg.GTSModel.(*gtsmodel.FollowRequest)
if !ok {
return errors.New("followrequest was not parseable as *gtsmodel.FollowRequest")
}
if err := p.notifyFollowRequest(followRequest, clientMsg.TargetAccount); err != nil {
return err
}
return p.federateFollow(followRequest, clientMsg.OriginAccount, clientMsg.TargetAccount)
case gtsmodel.ActivityStreamsLike:
// CREATE LIKE/FAVE
fave, ok := clientMsg.GTSModel.(*gtsmodel.StatusFave)
if !ok {
return errors.New("fave was not parseable as *gtsmodel.StatusFave")
}
if err := p.notifyFave(fave, clientMsg.TargetAccount); err != nil {
return err
}
return p.federateFave(fave, clientMsg.OriginAccount, clientMsg.TargetAccount)
case gtsmodel.ActivityStreamsAnnounce:
// CREATE BOOST/ANNOUNCE
boostWrapperStatus, ok := clientMsg.GTSModel.(*gtsmodel.Status)
if !ok {
return errors.New("boost was not parseable as *gtsmodel.Status")
}
if err := p.notifyAnnounce(boostWrapperStatus); err != nil {
return err
}
return p.federateAnnounce(boostWrapperStatus, clientMsg.OriginAccount, clientMsg.TargetAccount)
}
case gtsmodel.ActivityStreamsUpdate:
// UPDATE
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switch clientMsg.APObjectType {
case gtsmodel.ActivityStreamsProfile, gtsmodel.ActivityStreamsPerson:
// UPDATE ACCOUNT/PROFILE
account, ok := clientMsg.GTSModel.(*gtsmodel.Account)
if !ok {
return errors.New("account was not parseable as *gtsmodel.Account")
}
return p.federateAccountUpdate(account, clientMsg.OriginAccount)
}
case gtsmodel.ActivityStreamsAccept:
// ACCEPT
switch clientMsg.APObjectType {
case gtsmodel.ActivityStreamsFollow:
// ACCEPT FOLLOW
follow, ok := clientMsg.GTSModel.(*gtsmodel.Follow)
if !ok {
return errors.New("accept was not parseable as *gtsmodel.Follow")
}
if err := p.notifyFollow(follow, clientMsg.TargetAccount); err != nil {
return err
}
return p.federateAcceptFollowRequest(follow, clientMsg.OriginAccount, clientMsg.TargetAccount)
}
case gtsmodel.ActivityStreamsUndo:
// UNDO
switch clientMsg.APObjectType {
case gtsmodel.ActivityStreamsFollow:
// UNDO FOLLOW
follow, ok := clientMsg.GTSModel.(*gtsmodel.Follow)
if !ok {
return errors.New("undo was not parseable as *gtsmodel.Follow")
}
return p.federateUnfollow(follow, clientMsg.OriginAccount, clientMsg.TargetAccount)
case gtsmodel.ActivityStreamsLike:
// UNDO LIKE/FAVE
fave, ok := clientMsg.GTSModel.(*gtsmodel.StatusFave)
if !ok {
return errors.New("undo was not parseable as *gtsmodel.StatusFave")
}
return p.federateUnfave(fave, clientMsg.OriginAccount, clientMsg.TargetAccount)
}
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case gtsmodel.ActivityStreamsDelete:
// DELETE
switch clientMsg.APObjectType {
case gtsmodel.ActivityStreamsNote:
// DELETE STATUS/NOTE
statusToDelete, ok := clientMsg.GTSModel.(*gtsmodel.Status)
if !ok {
return errors.New("note was not parseable as *gtsmodel.Status")
}
if err := p.deleteStatusFromTimelines(statusToDelete); err != nil {
return err
}
return p.federateStatusDelete(statusToDelete, clientMsg.OriginAccount)
}
}
return nil
}
func (p *processor) federateStatus(status *gtsmodel.Status) error {
asStatus, err := p.tc.StatusToAS(status)
if err != nil {
return fmt.Errorf("federateStatus: error converting status to as format: %s", err)
}
outboxIRI, err := url.Parse(status.GTSAuthorAccount.OutboxURI)
if err != nil {
return fmt.Errorf("federateStatus: error parsing outboxURI %s: %s", status.GTSAuthorAccount.OutboxURI, err)
}
_, err = p.federator.FederatingActor().Send(context.Background(), outboxIRI, asStatus)
return err
}
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func (p *processor) federateStatusDelete(status *gtsmodel.Status, originAccount *gtsmodel.Account) error {
asStatus, err := p.tc.StatusToAS(status)
if err != nil {
return fmt.Errorf("federateStatusDelete: error converting status to as format: %s", err)
}
outboxIRI, err := url.Parse(originAccount.OutboxURI)
if err != nil {
return fmt.Errorf("federateStatusDelete: error parsing outboxURI %s: %s", originAccount.OutboxURI, err)
}
actorIRI, err := url.Parse(originAccount.URI)
if err != nil {
return fmt.Errorf("federateStatusDelete: error parsing actorIRI %s: %s", originAccount.URI, err)
}
// create a delete and set the appropriate actor on it
delete := streams.NewActivityStreamsDelete()
// set the actor for the delete
deleteActor := streams.NewActivityStreamsActorProperty()
deleteActor.AppendIRI(actorIRI)
delete.SetActivityStreamsActor(deleteActor)
// Set the status as the 'object' property.
deleteObject := streams.NewActivityStreamsObjectProperty()
deleteObject.AppendActivityStreamsNote(asStatus)
delete.SetActivityStreamsObject(deleteObject)
// set the to and cc as the original to/cc of the original status
delete.SetActivityStreamsTo(asStatus.GetActivityStreamsTo())
delete.SetActivityStreamsCc(asStatus.GetActivityStreamsCc())
_, err = p.federator.FederatingActor().Send(context.Background(), outboxIRI, delete)
return err
}
func (p *processor) federateFollow(followRequest *gtsmodel.FollowRequest, originAccount *gtsmodel.Account, targetAccount *gtsmodel.Account) error {
// if both accounts are local there's nothing to do here
if originAccount.Domain == "" && targetAccount.Domain == "" {
return nil
}
follow := p.tc.FollowRequestToFollow(followRequest)
asFollow, err := p.tc.FollowToAS(follow, originAccount, targetAccount)
if err != nil {
return fmt.Errorf("federateFollow: error converting follow to as format: %s", err)
}
outboxIRI, err := url.Parse(originAccount.OutboxURI)
if err != nil {
return fmt.Errorf("federateFollow: error parsing outboxURI %s: %s", originAccount.OutboxURI, err)
}
_, err = p.federator.FederatingActor().Send(context.Background(), outboxIRI, asFollow)
return err
}
func (p *processor) federateUnfollow(follow *gtsmodel.Follow, originAccount *gtsmodel.Account, targetAccount *gtsmodel.Account) error {
// if both accounts are local there's nothing to do here
if originAccount.Domain == "" && targetAccount.Domain == "" {
return nil
}
// recreate the follow
asFollow, err := p.tc.FollowToAS(follow, originAccount, targetAccount)
if err != nil {
return fmt.Errorf("federateUnfollow: error converting follow to as format: %s", err)
}
targetAccountURI, err := url.Parse(targetAccount.URI)
if err != nil {
return fmt.Errorf("error parsing uri %s: %s", targetAccount.URI, err)
}
// create an Undo and set the appropriate actor on it
undo := streams.NewActivityStreamsUndo()
undo.SetActivityStreamsActor(asFollow.GetActivityStreamsActor())
// Set the recreated follow as the 'object' property.
undoObject := streams.NewActivityStreamsObjectProperty()
undoObject.AppendActivityStreamsFollow(asFollow)
undo.SetActivityStreamsObject(undoObject)
// Set the To of the undo as the target of the recreated follow
undoTo := streams.NewActivityStreamsToProperty()
undoTo.AppendIRI(targetAccountURI)
undo.SetActivityStreamsTo(undoTo)
outboxIRI, err := url.Parse(originAccount.OutboxURI)
if err != nil {
return fmt.Errorf("federateUnfollow: error parsing outboxURI %s: %s", originAccount.OutboxURI, err)
}
// send off the Undo
_, err = p.federator.FederatingActor().Send(context.Background(), outboxIRI, undo)
return err
}
func (p *processor) federateUnfave(fave *gtsmodel.StatusFave, originAccount *gtsmodel.Account, targetAccount *gtsmodel.Account) error {
// if both accounts are local there's nothing to do here
if originAccount.Domain == "" && targetAccount.Domain == "" {
return nil
}
// create the AS fave
asFave, err := p.tc.FaveToAS(fave)
if err != nil {
return fmt.Errorf("federateFave: error converting fave to as format: %s", err)
}
targetAccountURI, err := url.Parse(targetAccount.URI)
if err != nil {
return fmt.Errorf("error parsing uri %s: %s", targetAccount.URI, err)
}
// create an Undo and set the appropriate actor on it
undo := streams.NewActivityStreamsUndo()
undo.SetActivityStreamsActor(asFave.GetActivityStreamsActor())
// Set the fave as the 'object' property.
undoObject := streams.NewActivityStreamsObjectProperty()
undoObject.AppendActivityStreamsLike(asFave)
undo.SetActivityStreamsObject(undoObject)
// Set the To of the undo as the target of the fave
undoTo := streams.NewActivityStreamsToProperty()
undoTo.AppendIRI(targetAccountURI)
undo.SetActivityStreamsTo(undoTo)
outboxIRI, err := url.Parse(originAccount.OutboxURI)
if err != nil {
return fmt.Errorf("federateFave: error parsing outboxURI %s: %s", originAccount.OutboxURI, err)
}
_, err = p.federator.FederatingActor().Send(context.Background(), outboxIRI, undo)
return err
}
func (p *processor) federateAcceptFollowRequest(follow *gtsmodel.Follow, originAccount *gtsmodel.Account, targetAccount *gtsmodel.Account) error {
// if both accounts are local there's nothing to do here
if originAccount.Domain == "" && targetAccount.Domain == "" {
return nil
}
// recreate the AS follow
asFollow, err := p.tc.FollowToAS(follow, originAccount, targetAccount)
if err != nil {
return fmt.Errorf("federateUnfollow: error converting follow to as format: %s", err)
}
acceptingAccountURI, err := url.Parse(targetAccount.URI)
if err != nil {
return fmt.Errorf("error parsing uri %s: %s", targetAccount.URI, err)
}
requestingAccountURI, err := url.Parse(originAccount.URI)
if err != nil {
return fmt.Errorf("error parsing uri %s: %s", targetAccount.URI, err)
}
// create an Accept
accept := streams.NewActivityStreamsAccept()
// set the accepting actor on it
acceptActorProp := streams.NewActivityStreamsActorProperty()
acceptActorProp.AppendIRI(acceptingAccountURI)
accept.SetActivityStreamsActor(acceptActorProp)
// Set the recreated follow as the 'object' property.
acceptObject := streams.NewActivityStreamsObjectProperty()
acceptObject.AppendActivityStreamsFollow(asFollow)
accept.SetActivityStreamsObject(acceptObject)
// Set the To of the accept as the originator of the follow
acceptTo := streams.NewActivityStreamsToProperty()
acceptTo.AppendIRI(requestingAccountURI)
accept.SetActivityStreamsTo(acceptTo)
outboxIRI, err := url.Parse(targetAccount.OutboxURI)
if err != nil {
return fmt.Errorf("federateAcceptFollowRequest: error parsing outboxURI %s: %s", originAccount.OutboxURI, err)
}
// send off the accept using the accepter's outbox
_, err = p.federator.FederatingActor().Send(context.Background(), outboxIRI, accept)
return err
}
func (p *processor) federateFave(fave *gtsmodel.StatusFave, originAccount *gtsmodel.Account, targetAccount *gtsmodel.Account) error {
// if both accounts are local there's nothing to do here
if originAccount.Domain == "" && targetAccount.Domain == "" {
return nil
}
// create the AS fave
asFave, err := p.tc.FaveToAS(fave)
if err != nil {
return fmt.Errorf("federateFave: error converting fave to as format: %s", err)
}
outboxIRI, err := url.Parse(originAccount.OutboxURI)
if err != nil {
return fmt.Errorf("federateFave: error parsing outboxURI %s: %s", originAccount.OutboxURI, err)
}
_, err = p.federator.FederatingActor().Send(context.Background(), outboxIRI, asFave)
return err
}
func (p *processor) federateAnnounce(boostWrapperStatus *gtsmodel.Status, boostingAccount *gtsmodel.Account, boostedAccount *gtsmodel.Account) error {
announce, err := p.tc.BoostToAS(boostWrapperStatus, boostingAccount, boostedAccount)
if err != nil {
return fmt.Errorf("federateAnnounce: error converting status to announce: %s", err)
}
outboxIRI, err := url.Parse(boostingAccount.OutboxURI)
if err != nil {
return fmt.Errorf("federateAnnounce: error parsing outboxURI %s: %s", boostingAccount.OutboxURI, err)
}
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_, err = p.federator.FederatingActor().Send(context.Background(), outboxIRI, announce)
return err
}
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func (p *processor) federateAccountUpdate(updatedAccount *gtsmodel.Account, originAccount *gtsmodel.Account) error {
person, err := p.tc.AccountToAS(updatedAccount)
if err != nil {
return fmt.Errorf("federateAccountUpdate: error converting account to person: %s", err)
}
update, err := p.tc.WrapPersonInUpdate(person, originAccount)
if err != nil {
return fmt.Errorf("federateAccountUpdate: error wrapping person in update: %s", err)
}
outboxIRI, err := url.Parse(originAccount.OutboxURI)
if err != nil {
return fmt.Errorf("federateAnnounce: error parsing outboxURI %s: %s", originAccount.OutboxURI, err)
}
_, err = p.federator.FederatingActor().Send(context.Background(), outboxIRI, update)
return err
}