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"
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"github.com/superseriousbusiness/gotosocial/internal/ap"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
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"github.com/superseriousbusiness/gotosocial/internal/messages"
)
func (p *processor) ProcessFromClientAPI(ctx context.Context, clientMsg messages.FromClientAPI) error {
switch clientMsg.APActivityType {
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case ap.ActivityCreate:
// CREATE
switch clientMsg.APObjectType {
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case ap.ObjectNote:
// CREATE NOTE
status, ok := clientMsg.GTSModel.(*gtsmodel.Status)
if !ok {
return errors.New("note was not parseable as *gtsmodel.Status")
}
if err := p.timelineStatus(ctx, status); err != nil {
return err
}
if err := p.notifyStatus(ctx, status); err != nil {
return err
}
if status.Federated {
return p.federateStatus(ctx, status)
}
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case ap.ActivityFollow:
// 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(ctx, followRequest); err != nil {
return err
}
return p.federateFollow(ctx, followRequest, clientMsg.OriginAccount, clientMsg.TargetAccount)
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case ap.ActivityLike:
// 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(ctx, fave); err != nil {
return err
}
return p.federateFave(ctx, fave, clientMsg.OriginAccount, clientMsg.TargetAccount)
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case ap.ActivityAnnounce:
// CREATE BOOST/ANNOUNCE
boostWrapperStatus, ok := clientMsg.GTSModel.(*gtsmodel.Status)
if !ok {
return errors.New("boost was not parseable as *gtsmodel.Status")
}
if err := p.timelineStatus(ctx, boostWrapperStatus); err != nil {
return err
}
if err := p.notifyAnnounce(ctx, boostWrapperStatus); err != nil {
return err
}
return p.federateAnnounce(ctx, boostWrapperStatus, clientMsg.OriginAccount, clientMsg.TargetAccount)
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case ap.ActivityBlock:
// CREATE BLOCK
block, ok := clientMsg.GTSModel.(*gtsmodel.Block)
if !ok {
return errors.New("block was not parseable as *gtsmodel.Block")
}
// remove any of the blocking account's statuses from the blocked account's timeline, and vice versa
if err := p.timelineManager.WipeStatusesFromAccountID(ctx, block.AccountID, block.TargetAccountID); err != nil {
return err
}
if err := p.timelineManager.WipeStatusesFromAccountID(ctx, block.TargetAccountID, block.AccountID); err != nil {
return err
}
// TODO: same with notifications
// TODO: same with bookmarks
return p.federateBlock(ctx, block)
}
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case ap.ActivityUpdate:
// UPDATE
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switch clientMsg.APObjectType {
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case ap.ObjectProfile, ap.ActorPerson:
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// UPDATE ACCOUNT/PROFILE
account, ok := clientMsg.GTSModel.(*gtsmodel.Account)
if !ok {
return errors.New("account was not parseable as *gtsmodel.Account")
}
return p.federateAccountUpdate(ctx, account, clientMsg.OriginAccount)
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}
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case ap.ActivityAccept:
// ACCEPT
switch clientMsg.APObjectType {
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case ap.ActivityFollow:
// ACCEPT FOLLOW
follow, ok := clientMsg.GTSModel.(*gtsmodel.Follow)
if !ok {
return errors.New("accept was not parseable as *gtsmodel.Follow")
}
if err := p.notifyFollow(ctx, follow, clientMsg.TargetAccount); err != nil {
return err
}
return p.federateAcceptFollowRequest(ctx, follow, clientMsg.OriginAccount, clientMsg.TargetAccount)
}
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case ap.ActivityUndo:
// UNDO
switch clientMsg.APObjectType {
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case ap.ActivityFollow:
// UNDO FOLLOW
follow, ok := clientMsg.GTSModel.(*gtsmodel.Follow)
if !ok {
return errors.New("undo was not parseable as *gtsmodel.Follow")
}
return p.federateUnfollow(ctx, follow, clientMsg.OriginAccount, clientMsg.TargetAccount)
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case ap.ActivityBlock:
// UNDO BLOCK
block, ok := clientMsg.GTSModel.(*gtsmodel.Block)
if !ok {
return errors.New("undo was not parseable as *gtsmodel.Block")
}
return p.federateUnblock(ctx, block)
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case ap.ActivityLike:
// UNDO LIKE/FAVE
fave, ok := clientMsg.GTSModel.(*gtsmodel.StatusFave)
if !ok {
return errors.New("undo was not parseable as *gtsmodel.StatusFave")
}
return p.federateUnfave(ctx, fave, clientMsg.OriginAccount, clientMsg.TargetAccount)
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case ap.ActivityAnnounce:
// UNDO ANNOUNCE/BOOST
boost, ok := clientMsg.GTSModel.(*gtsmodel.Status)
if !ok {
return errors.New("undo was not parseable as *gtsmodel.Status")
}
if err := p.deleteStatusFromTimelines(ctx, boost); err != nil {
return err
}
return p.federateUnannounce(ctx, boost, clientMsg.OriginAccount, clientMsg.TargetAccount)
}
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case ap.ActivityDelete:
// DELETE
switch clientMsg.APObjectType {
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case ap.ObjectNote:
// DELETE STATUS/NOTE
statusToDelete, ok := clientMsg.GTSModel.(*gtsmodel.Status)
if !ok {
return errors.New("note was not parseable as *gtsmodel.Status")
}
if statusToDelete.Account == nil {
statusToDelete.Account = clientMsg.OriginAccount
}
// delete all attachments for this status
for _, a := range statusToDelete.AttachmentIDs {
if err := p.mediaProcessor.Delete(ctx, a); err != nil {
return err
}
}
// delete all mentions for this status
for _, m := range statusToDelete.MentionIDs {
if err := p.db.DeleteByID(ctx, m, &gtsmodel.Mention{}); err != nil {
return err
}
}
// delete all notifications for this status
if err := p.db.DeleteWhere(ctx, []db.Where{{Key: "status_id", Value: statusToDelete.ID}}, &[]*gtsmodel.Notification{}); err != nil {
return err
}
// delete this status from any and all timelines
if err := p.deleteStatusFromTimelines(ctx, statusToDelete); err != nil {
return err
}
return p.federateStatusDelete(ctx, statusToDelete)
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case ap.ObjectProfile, ap.ActorPerson:
// DELETE ACCOUNT/PROFILE
// the origin of the delete could be either a domain block, or an action by another (or this) account
var origin string
if domainBlock, ok := clientMsg.GTSModel.(*gtsmodel.DomainBlock); ok {
// origin is a domain block
origin = domainBlock.ID
} else {
// origin is whichever account caused this message
origin = clientMsg.OriginAccount.ID
}
return p.accountProcessor.Delete(ctx, clientMsg.TargetAccount, origin)
}
}
return nil
}
// TODO: move all the below functions into federation.Federator
func (p *processor) federateStatus(ctx context.Context, status *gtsmodel.Status) error {
if status.Account == nil {
statusAccount, err := p.db.GetAccountByID(ctx, status.AccountID)
if err != nil {
return fmt.Errorf("federateStatus: error fetching status author account: %s", err)
}
status.Account = statusAccount
}
// do nothing if this isn't our status
if status.Account.Domain != "" {
return nil
}
asStatus, err := p.tc.StatusToAS(ctx, status)
if err != nil {
return fmt.Errorf("federateStatus: error converting status to as format: %s", err)
}
outboxIRI, err := url.Parse(status.Account.OutboxURI)
if err != nil {
return fmt.Errorf("federateStatus: error parsing outboxURI %s: %s", status.Account.OutboxURI, err)
}
_, err = p.federator.FederatingActor().Send(ctx, outboxIRI, asStatus)
return err
}
func (p *processor) federateStatusDelete(ctx context.Context, status *gtsmodel.Status) error {
if status.Account == nil {
statusAccount, err := p.db.GetAccountByID(ctx, status.AccountID)
if err != nil {
return fmt.Errorf("federateStatusDelete: error fetching status author account: %s", err)
}
status.Account = statusAccount
}
// do nothing if this isn't our status
if status.Account.Domain != "" {
return nil
}
asStatus, err := p.tc.StatusToAS(ctx, status)
if err != nil {
return fmt.Errorf("federateStatusDelete: error converting status to as format: %s", err)
}
outboxIRI, err := url.Parse(status.Account.OutboxURI)
if err != nil {
return fmt.Errorf("federateStatusDelete: error parsing outboxURI %s: %s", status.Account.OutboxURI, err)
}
actorIRI, err := url.Parse(status.Account.URI)
if err != nil {
return fmt.Errorf("federateStatusDelete: error parsing actorIRI %s: %s", status.Account.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(ctx, outboxIRI, delete)
return err
}
func (p *processor) federateFollow(ctx context.Context, 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(ctx, followRequest)
asFollow, err := p.tc.FollowToAS(ctx, 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(ctx, outboxIRI, asFollow)
return err
}
func (p *processor) federateUnfollow(ctx context.Context, 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(ctx, 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(ctx, outboxIRI, undo)
return err
}
func (p *processor) federateUnfave(ctx context.Context, 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(ctx, 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(ctx, outboxIRI, undo)
return err
}
func (p *processor) federateUnannounce(ctx context.Context, boost *gtsmodel.Status, originAccount *gtsmodel.Account, targetAccount *gtsmodel.Account) error {
if originAccount.Domain != "" {
// nothing to do here
return nil
}
asAnnounce, err := p.tc.BoostToAS(ctx, boost, originAccount, targetAccount)
if err != nil {
return fmt.Errorf("federateUnannounce: error converting status to announce: %s", err)
}
// create an Undo and set the appropriate actor on it
undo := streams.NewActivityStreamsUndo()
undo.SetActivityStreamsActor(asAnnounce.GetActivityStreamsActor())
// Set the boost as the 'object' property.
undoObject := streams.NewActivityStreamsObjectProperty()
undoObject.AppendActivityStreamsAnnounce(asAnnounce)
undo.SetActivityStreamsObject(undoObject)
// set the to
undo.SetActivityStreamsTo(asAnnounce.GetActivityStreamsTo())
// set the cc
undo.SetActivityStreamsCc(asAnnounce.GetActivityStreamsCc())
outboxIRI, err := url.Parse(originAccount.OutboxURI)
if err != nil {
return fmt.Errorf("federateUnannounce: error parsing outboxURI %s: %s", originAccount.OutboxURI, err)
}
_, err = p.federator.FederatingActor().Send(ctx, outboxIRI, undo)
return err
}
func (p *processor) federateAcceptFollowRequest(ctx context.Context, 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(ctx, 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(ctx, outboxIRI, accept)
return err
}
func (p *processor) federateFave(ctx context.Context, 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(ctx, 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(ctx, outboxIRI, asFave)
return err
}
func (p *processor) federateAnnounce(ctx context.Context, boostWrapperStatus *gtsmodel.Status, boostingAccount *gtsmodel.Account, boostedAccount *gtsmodel.Account) error {
announce, err := p.tc.BoostToAS(ctx, 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(ctx, outboxIRI, announce)
return err
}
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func (p *processor) federateAccountUpdate(ctx context.Context, updatedAccount *gtsmodel.Account, originAccount *gtsmodel.Account) error {
person, err := p.tc.AccountToAS(ctx, updatedAccount)
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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(ctx, outboxIRI, update)
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return err
}
func (p *processor) federateBlock(ctx context.Context, block *gtsmodel.Block) error {
if block.Account == nil {
blockAccount, err := p.db.GetAccountByID(ctx, block.AccountID)
if err != nil {
return fmt.Errorf("federateBlock: error getting block account from database: %s", err)
}
block.Account = blockAccount
}
if block.TargetAccount == nil {
blockTargetAccount, err := p.db.GetAccountByID(ctx, block.TargetAccountID)
if err != nil {
return fmt.Errorf("federateBlock: error getting block target account from database: %s", err)
}
block.TargetAccount = blockTargetAccount
}
// if both accounts are local there's nothing to do here
if block.Account.Domain == "" && block.TargetAccount.Domain == "" {
return nil
}
asBlock, err := p.tc.BlockToAS(ctx, block)
if err != nil {
return fmt.Errorf("federateBlock: error converting block to AS format: %s", err)
}
outboxIRI, err := url.Parse(block.Account.OutboxURI)
if err != nil {
return fmt.Errorf("federateBlock: error parsing outboxURI %s: %s", block.Account.OutboxURI, err)
}
_, err = p.federator.FederatingActor().Send(ctx, outboxIRI, asBlock)
return err
}
func (p *processor) federateUnblock(ctx context.Context, block *gtsmodel.Block) error {
if block.Account == nil {
blockAccount, err := p.db.GetAccountByID(ctx, block.AccountID)
if err != nil {
return fmt.Errorf("federateUnblock: error getting block account from database: %s", err)
}
block.Account = blockAccount
}
if block.TargetAccount == nil {
blockTargetAccount, err := p.db.GetAccountByID(ctx, block.TargetAccountID)
if err != nil {
return fmt.Errorf("federateUnblock: error getting block target account from database: %s", err)
}
block.TargetAccount = blockTargetAccount
}
// if both accounts are local there's nothing to do here
if block.Account.Domain == "" && block.TargetAccount.Domain == "" {
return nil
}
asBlock, err := p.tc.BlockToAS(ctx, block)
if err != nil {
return fmt.Errorf("federateUnblock: error converting block to AS format: %s", err)
}
targetAccountURI, err := url.Parse(block.TargetAccount.URI)
if err != nil {
return fmt.Errorf("federateUnblock: error parsing uri %s: %s", block.TargetAccount.URI, err)
}
// create an Undo and set the appropriate actor on it
undo := streams.NewActivityStreamsUndo()
undo.SetActivityStreamsActor(asBlock.GetActivityStreamsActor())
// Set the block as the 'object' property.
undoObject := streams.NewActivityStreamsObjectProperty()
undoObject.AppendActivityStreamsBlock(asBlock)
undo.SetActivityStreamsObject(undoObject)
// Set the To of the undo as the target of the block
undoTo := streams.NewActivityStreamsToProperty()
undoTo.AppendIRI(targetAccountURI)
undo.SetActivityStreamsTo(undoTo)
outboxIRI, err := url.Parse(block.Account.OutboxURI)
if err != nil {
return fmt.Errorf("federateUnblock: error parsing outboxURI %s: %s", block.Account.OutboxURI, err)
}
_, err = p.federator.FederatingActor().Send(ctx, outboxIRI, undo)
return err
}