headers = $headers; $this->profile = $profile; $this->payload = $payload; } public function handle() { $this->handleVerb(); return; } public function handleVerb() { $verb = (string) $this->payload['type']; switch ($verb) { case 'Add': $this->handleAddActivity(); break; case 'Create': $this->handleCreateActivity(); break; case 'Follow': if(FollowValidator::validate($this->payload) == false) { return; } $this->handleFollowActivity(); break; case 'Announce': if(AnnounceValidator::validate($this->payload) == false) { return; } $this->handleAnnounceActivity(); break; case 'Accept': if(AcceptValidator::validate($this->payload) == false) { return; } $this->handleAcceptActivity(); break; case 'Delete': $this->handleDeleteActivity(); break; case 'Like': if(LikeValidator::validate($this->payload) == false) { return; } $this->handleLikeActivity(); break; case 'Reject': $this->handleRejectActivity(); break; case 'Undo': $this->handleUndoActivity(); break; case 'View': $this->handleViewActivity(); break; case 'Story:Reaction': $this->handleStoryReactionActivity(); break; case 'Story:Reply': $this->handleStoryReplyActivity(); break; // case 'Update': // (new UpdateActivity($this->payload, $this->profile))->handle(); // break; default: // TODO: decide how to handle invalid verbs. break; } } public function verifyNoteAttachment() { $activity = $this->payload['object']; if(isset($activity['inReplyTo']) && !empty($activity['inReplyTo']) && Helpers::validateUrl($activity['inReplyTo']) ) { // reply detected, skip attachment check return true; } $valid = Helpers::verifyAttachments($activity); return $valid; } public function actorFirstOrCreate($actorUrl) { return Helpers::profileFetch($actorUrl); } public function handleAddActivity() { // stories ;) if(!isset( $this->payload['actor'], $this->payload['object'] )) { return; } $actor = $this->payload['actor']; $obj = $this->payload['object']; if(!Helpers::validateUrl($actor)) { return; } if(!isset($obj['type'])) { return; } switch($obj['type']) { case 'Story': StoryFetch::dispatchNow($this->payload); break; } } public function handleCreateActivity() { $activity = $this->payload['object']; $actor = $this->actorFirstOrCreate($this->payload['actor']); if(!$actor || $actor->domain == null) { return; } if(!isset($activity['to'])) { return; } $to = $activity['to']; $cc = isset($activity['cc']) ? $activity['cc'] : []; if($activity['type'] == 'Question') { $this->handlePollCreate(); return; } if(count($to) == 1 && count($cc) == 0 && parse_url($to[0], PHP_URL_HOST) == config('pixelfed.domain.app') ) { $this->handleDirectMessage(); return; } if($activity['type'] == 'Note' && !empty($activity['inReplyTo'])) { $this->handleNoteReply(); } elseif ($activity['type'] == 'Note' && !empty($activity['attachment'])) { if(!$this->verifyNoteAttachment()) { return; } $this->handleNoteCreate(); } } public function handleNoteReply() { $activity = $this->payload['object']; $actor = $this->actorFirstOrCreate($this->payload['actor']); if(!$actor || $actor->domain == null) { return; } $inReplyTo = $activity['inReplyTo']; $url = isset($activity['url']) ? $activity['url'] : $activity['id']; Helpers::statusFirstOrFetch($url, true); return; } public function handlePollCreate() { $activity = $this->payload['object']; $actor = $this->actorFirstOrCreate($this->payload['actor']); if(!$actor || $actor->domain == null) { return; } $url = isset($activity['url']) ? $activity['url'] : $activity['id']; Helpers::statusFirstOrFetch($url); return; } public function handleNoteCreate() { $activity = $this->payload['object']; $actor = $this->actorFirstOrCreate($this->payload['actor']); if(!$actor || $actor->domain == null) { return; } if( isset($activity['inReplyTo']) && isset($activity['name']) && !isset($activity['content']) && !isset($activity['attachment']) && Helpers::validateLocalUrl($activity['inReplyTo']) ) { $this->handlePollVote(); return; } if($actor->followers()->count() == 0) { return; } $url = isset($activity['url']) ? $activity['url'] : $activity['id']; if(Status::whereUrl($url)->exists()) { return; } Helpers::storeStatus( $url, $actor, $activity ); return; } public function handlePollVote() { $activity = $this->payload['object']; $actor = $this->actorFirstOrCreate($this->payload['actor']); $status = Helpers::statusFetch($activity['inReplyTo']); $poll = $status->poll; if(!$status || !$poll) { return; } if(now()->gt($poll->expires_at)) { return; } $choices = $poll->poll_options; $choice = array_search($activity['name'], $choices); if($choice === false) { return; } if(PollVote::whereStatusId($status->id)->whereProfileId($actor->id)->exists()) { return; } $vote = new PollVote; $vote->status_id = $status->id; $vote->profile_id = $actor->id; $vote->poll_id = $poll->id; $vote->choice = $choice; $vote->uri = isset($activity['id']) ? $activity['id'] : null; $vote->save(); $tallies = $poll->cached_tallies; $tallies[$choice] = $tallies[$choice] + 1; $poll->cached_tallies = $tallies; $poll->votes_count = array_sum($tallies); $poll->save(); PollService::del($status->id); return; } public function handleDirectMessage() { $activity = $this->payload['object']; $actor = $this->actorFirstOrCreate($this->payload['actor']); $profile = Profile::whereNull('domain') ->whereUsername(array_last(explode('/', $activity['to'][0]))) ->firstOrFail(); if(in_array($actor->id, $profile->blockedIds()->toArray())) { return; } $msg = $activity['content']; $msgText = strip_tags($activity['content']); if(Str::startsWith($msgText, '@' . $profile->username)) { $len = strlen('@' . $profile->username); $msgText = substr($msgText, $len + 1); } if($profile->user->settings->public_dm == false || $profile->is_private) { if($profile->follows($actor) == true) { $hidden = false; } else { $hidden = true; } } else { $hidden = false; } $status = new Status; $status->profile_id = $actor->id; $status->caption = $msgText; $status->rendered = $msg; $status->visibility = 'direct'; $status->scope = 'direct'; $status->url = $activity['id']; $status->in_reply_to_profile_id = $profile->id; $status->save(); $dm = new DirectMessage; $dm->to_id = $profile->id; $dm->from_id = $actor->id; $dm->status_id = $status->id; $dm->is_hidden = $hidden; $dm->type = 'text'; $dm->save(); Conversation::updateOrInsert( [ 'to_id' => $profile->id, 'from_id' => $actor->id ], [ 'type' => 'text', 'status_id' => $status->id, 'dm_id' => $dm->id, 'is_hidden' => $hidden ] ); if(count($activity['attachment'])) { $photos = 0; $videos = 0; $allowed = explode(',', config_cache('pixelfed.media_types')); $activity['attachment'] = array_slice($activity['attachment'], 0, config_cache('pixelfed.max_album_length')); foreach($activity['attachment'] as $a) { $type = $a['mediaType']; $url = $a['url']; $valid = Helpers::validateUrl($url); if(in_array($type, $allowed) == false || $valid == false) { continue; } $media = new Media(); $media->remote_media = true; $media->status_id = $status->id; $media->profile_id = $status->profile_id; $media->user_id = null; $media->media_path = $url; $media->remote_url = $url; $media->mime = $type; $media->save(); if(explode('/', $type)[0] == 'image') { $photos = $photos + 1; } if(explode('/', $type)[0] == 'video') { $videos = $videos + 1; } } if($photos && $videos == 0) { $dm->type = $photos == 1 ? 'photo' : 'photos'; $dm->save(); } if($videos && $photos == 0) { $dm->type = $videos == 1 ? 'video' : 'videos'; $dm->save(); } } if(filter_var($msgText, FILTER_VALIDATE_URL)) { if(Helpers::validateUrl($msgText)) { $dm->type = 'link'; $dm->meta = [ 'domain' => parse_url($msgText, PHP_URL_HOST), 'local' => parse_url($msgText, PHP_URL_HOST) == parse_url(config('app.url'), PHP_URL_HOST) ]; $dm->save(); } } $nf = UserFilter::whereUserId($profile->id) ->whereFilterableId($actor->id) ->whereFilterableType('App\Profile') ->whereFilterType('dm.mute') ->exists(); if($profile->domain == null && $hidden == false && !$nf) { $notification = new Notification(); $notification->profile_id = $profile->id; $notification->actor_id = $actor->id; $notification->action = 'dm'; $notification->message = $dm->toText(); $notification->rendered = $dm->toHtml(); $notification->item_id = $dm->id; $notification->item_type = "App\DirectMessage"; $notification->save(); } return; } public function handleFollowActivity() { $actor = $this->actorFirstOrCreate($this->payload['actor']); $target = $this->actorFirstOrCreate($this->payload['object']); if(!$actor || $actor->domain == null || $target->domain !== null) { return; } if( Follower::whereProfileId($actor->id) ->whereFollowingId($target->id) ->exists() || FollowRequest::whereFollowerId($actor->id) ->whereFollowingId($target->id) ->exists() ) { return; } if($target->is_private == true) { FollowRequest::updateOrCreate([ 'follower_id' => $actor->id, 'following_id' => $target->id, ],[ 'activity' => collect($this->payload)->only(['id','actor','object','type'])->toArray() ]); } else { $follower = new Follower; $follower->profile_id = $actor->id; $follower->following_id = $target->id; $follower->local_profile = empty($actor->domain); $follower->save(); FollowPipeline::dispatch($follower); FollowerService::add($actor->id, $target->id); // send Accept to remote profile $accept = [ '@context' => 'https://www.w3.org/ns/activitystreams', 'id' => $target->permalink().'#accepts/follows/' . $follower->id, 'type' => 'Accept', 'actor' => $target->permalink(), 'object' => [ 'id' => $this->payload['id'], 'actor' => $actor->permalink(), 'type' => 'Follow', 'object' => $target->permalink() ] ]; Helpers::sendSignedObject($target, $actor->inbox_url, $accept); Cache::forget('profile:follower_count:'.$target->id); Cache::forget('profile:follower_count:'.$actor->id); Cache::forget('profile:following_count:'.$target->id); Cache::forget('profile:following_count:'.$actor->id); } } public function handleAnnounceActivity() { $actor = $this->actorFirstOrCreate($this->payload['actor']); $activity = $this->payload['object']; if(!$actor || $actor->domain == null) { return; } if(Helpers::validateLocalUrl($activity) == false) { return; } $parent = Helpers::statusFetch($activity); if(empty($parent)) { return; } $status = Status::firstOrCreate([ 'profile_id' => $actor->id, 'reblog_of_id' => $parent->id, 'type' => 'share' ]); Notification::firstOrCreate([ 'profile_id' => $parent->profile->id, 'actor_id' => $actor->id, 'action' => 'share', 'message' => $status->replyToText(), 'rendered' => $status->replyToHtml(), 'item_id' => $parent->id, 'item_type' => 'App\Status' ]); $parent->reblogs_count = $parent->shares()->count(); $parent->save(); } public function handleAcceptActivity() { $actor = $this->payload['object']['actor']; $obj = $this->payload['object']['object']; $type = $this->payload['object']['type']; if($type !== 'Follow') { return; } $actor = Helpers::validateLocalUrl($actor); $target = Helpers::validateUrl($obj); if(!$actor || !$target) { return; } $actor = Helpers::profileFetch($actor); $target = Helpers::profileFetch($target); if(!$actor || !$target) { return; } $request = FollowRequest::whereFollowerId($actor->id) ->whereFollowingId($target->id) ->whereIsRejected(false) ->first(); if(!$request) { return; } $follower = Follower::firstOrCreate([ 'profile_id' => $actor->id, 'following_id' => $target->id, ]); FollowPipeline::dispatch($follower); $request->delete(); } public function handleDeleteActivity() { if(!isset( $this->payload['actor'], $this->payload['object'] )) { return; } $actor = $this->payload['actor']; $obj = $this->payload['object']; if(is_string($obj) == true && $actor == $obj && Helpers::validateUrl($obj)) { $profile = Profile::whereRemoteUrl($obj)->first(); if(!$profile || $profile->private_key != null) { return; } DeleteRemoteProfilePipeline::dispatchNow($profile); return; } else { if(!isset($obj['id'], $this->payload['object'], $this->payload['object']['id'])) { return; } $type = $this->payload['object']['type']; $typeCheck = in_array($type, ['Person', 'Tombstone', 'Story']); if(!Helpers::validateUrl($actor) || !Helpers::validateUrl($obj['id']) || !$typeCheck) { return; } if(parse_url($obj['id'], PHP_URL_HOST) !== parse_url($actor, PHP_URL_HOST)) { return; } $id = $this->payload['object']['id']; switch ($type) { case 'Person': $profile = Profile::whereRemoteUrl($actor)->first(); if(!$profile || $profile->private_key != null) { return; } DeleteRemoteProfilePipeline::dispatchNow($profile); return; break; case 'Tombstone': $profile = Profile::whereRemoteUrl($actor)->first(); if(!$profile || $profile->private_key != null) { return; } $status = Status::whereProfileId($profile->id) ->whereUri($id) ->orWhere('url', $id) ->orWhere('object_url', $id) ->first(); if(!$status) { return; } StatusService::del($status->id, true); Notification::whereActorId($profile->id) ->whereItemType('App\Status') ->whereItemId($status->id) ->forceDelete(); $status->directMessage()->delete(); $status->media()->delete(); $status->likes()->delete(); $status->shares()->delete(); $status->delete(); return; break; case 'Story': $story = Story::whereObjectId($id) ->first(); if($story) { StoryExpire::dispatch($story)->onQueue('story'); } break; default: return; break; } } } public function handleLikeActivity() { $actor = $this->payload['actor']; if(!Helpers::validateUrl($actor)) { return; } $profile = self::actorFirstOrCreate($actor); $obj = $this->payload['object']; if(!Helpers::validateUrl($obj)) { return; } $status = Helpers::statusFirstOrFetch($obj); if(!$status || !$profile) { return; } $like = Like::firstOrCreate([ 'profile_id' => $profile->id, 'status_id' => $status->id ]); if($like->wasRecentlyCreated == true) { $status->likes_count = $status->likes()->count(); $status->save(); LikePipeline::dispatch($like); } return; } public function handleRejectActivity() { } public function handleUndoActivity() { $actor = $this->payload['actor']; $profile = self::actorFirstOrCreate($actor); $obj = $this->payload['object']; // TODO: Some implementations do not inline the object, skip for now if(!$obj || !is_array($obj) || !isset($obj['type'])) { return; } switch ($obj['type']) { case 'Accept': break; case 'Announce': if(is_array($obj) && isset($obj['object'])) { $obj = $obj['object']; } if(!is_string($obj) || !Helpers::validateLocalUrl($obj)) { return; } $status = Status::whereUri($obj)->exists(); if(!$status) { return; } Status::whereProfileId($profile->id) ->whereReblogOfId($status->id) ->forceDelete(); Notification::whereProfileId($status->profile->id) ->whereActorId($profile->id) ->whereAction('share') ->whereItemId($status->reblog_of_id) ->whereItemType('App\Status') ->forceDelete(); break; case 'Block': break; case 'Follow': $following = self::actorFirstOrCreate($obj['object']); if(!$following) { return; } Follower::whereProfileId($profile->id) ->whereFollowingId($following->id) ->delete(); Notification::whereProfileId($following->id) ->whereActorId($profile->id) ->whereAction('follow') ->whereItemId($following->id) ->whereItemType('App\Profile') ->forceDelete(); FollowerService::remove($profile->id, $following->id); break; case 'Like': $status = Helpers::statusFirstOrFetch($obj['object']); if(!$status) { return; } Like::whereProfileId($profile->id) ->whereStatusId($status->id) ->forceDelete(); Notification::whereProfileId($status->profile->id) ->whereActorId($profile->id) ->whereAction('like') ->whereItemId($status->id) ->whereItemType('App\Status') ->forceDelete(); break; } return; } public function handleViewActivity() { if(!isset( $this->payload['actor'], $this->payload['object'] )) { return; } $actor = $this->payload['actor']; $obj = $this->payload['object']; if(!Helpers::validateUrl($actor)) { return; } if(!$obj || !is_array($obj)) { return; } if(!isset($obj['type']) || !isset($obj['object']) || $obj['type'] != 'Story') { return; } if(!Helpers::validateLocalUrl($obj['object'])) { return; } $profile = Helpers::profileFetch($actor); $storyId = Str::of($obj['object'])->explode('/')->last(); $story = Story::whereActive(true) ->whereLocal(true) ->find($storyId); if(!$story) { return; } if(!FollowerService::follows($profile->id, $story->profile_id)) { return; } $view = StoryView::firstOrCreate([ 'story_id' => $story->id, 'profile_id' => $profile->id ]); if($view->wasRecentlyCreated == true) { $story->view_count++; $story->save(); } } public function handleStoryReactionActivity() { if(!isset( $this->payload['actor'], $this->payload['id'], $this->payload['inReplyTo'], $this->payload['content'] )) { return; } $id = $this->payload['id']; $actor = $this->payload['actor']; $storyUrl = $this->payload['inReplyTo']; $to = $this->payload['to']; $text = Purify::clean($this->payload['content']); if(parse_url($id, PHP_URL_HOST) !== parse_url($actor, PHP_URL_HOST)) { return; } if(!Helpers::validateUrl($id) || !Helpers::validateUrl($actor)) { return; } if(!Helpers::validateLocalUrl($storyUrl)) { return; } if(!Helpers::validateLocalUrl($to)) { return; } if(Status::whereObjectUrl($id)->exists()) { return; } $storyId = Str::of($storyUrl)->explode('/')->last(); $targetProfile = Helpers::profileFetch($to); $story = Story::whereProfileId($targetProfile->id) ->find($storyId); if(!$story) { return; } if($story->can_react == false) { return; } $actorProfile = Helpers::profileFetch($actor); if(!FollowerService::follows($actorProfile->id, $targetProfile->id)) { return; } $status = new Status; $status->profile_id = $actorProfile->id; $status->type = 'story:reaction'; $status->caption = $text; $status->rendered = $text; $status->scope = 'direct'; $status->visibility = 'direct'; $status->in_reply_to_profile_id = $story->profile_id; $status->entities = json_encode([ 'story_id' => $story->id, 'reaction' => $text ]); $status->save(); $dm = new DirectMessage; $dm->to_id = $story->profile_id; $dm->from_id = $actorProfile->id; $dm->type = 'story:react'; $dm->status_id = $status->id; $dm->meta = json_encode([ 'story_username' => $targetProfile->username, 'story_actor_username' => $actorProfile->username, 'story_id' => $story->id, 'story_media_url' => url(Storage::url($story->path)), 'reaction' => $text ]); $dm->save(); Conversation::updateOrInsert( [ 'to_id' => $story->profile_id, 'from_id' => $actorProfile->id ], [ 'type' => 'story:react', 'status_id' => $status->id, 'dm_id' => $dm->id, 'is_hidden' => false ] ); $n = new Notification; $n->profile_id = $dm->to_id; $n->actor_id = $dm->from_id; $n->item_id = $dm->id; $n->item_type = 'App\DirectMessage'; $n->action = 'story:react'; $n->message = "{$actorProfile->username} reacted to your story"; $n->rendered = "{$actorProfile->username} reacted to your story"; $n->save(); } public function handleStoryReplyActivity() { if(!isset( $this->payload['actor'], $this->payload['id'], $this->payload['inReplyTo'], $this->payload['content'] )) { return; } $id = $this->payload['id']; $actor = $this->payload['actor']; $storyUrl = $this->payload['inReplyTo']; $to = $this->payload['to']; $text = Purify::clean($this->payload['content']); if(parse_url($id, PHP_URL_HOST) !== parse_url($actor, PHP_URL_HOST)) { return; } if(!Helpers::validateUrl($id) || !Helpers::validateUrl($actor)) { return; } if(!Helpers::validateLocalUrl($storyUrl)) { return; } if(!Helpers::validateLocalUrl($to)) { return; } if(Status::whereObjectUrl($id)->exists()) { return; } $storyId = Str::of($storyUrl)->explode('/')->last(); $targetProfile = Helpers::profileFetch($to); $story = Story::whereProfileId($targetProfile->id) ->find($storyId); if(!$story) { return; } if($story->can_react == false) { return; } $actorProfile = Helpers::profileFetch($actor); if(!FollowerService::follows($actorProfile->id, $targetProfile->id)) { return; } $status = new Status; $status->profile_id = $actorProfile->id; $status->type = 'story:reply'; $status->caption = $text; $status->rendered = $text; $status->scope = 'direct'; $status->visibility = 'direct'; $status->in_reply_to_profile_id = $story->profile_id; $status->entities = json_encode([ 'story_id' => $story->id, 'caption' => $text ]); $status->save(); $dm = new DirectMessage; $dm->to_id = $story->profile_id; $dm->from_id = $actorProfile->id; $dm->type = 'story:comment'; $dm->status_id = $status->id; $dm->meta = json_encode([ 'story_username' => $targetProfile->username, 'story_actor_username' => $actorProfile->username, 'story_id' => $story->id, 'story_media_url' => url(Storage::url($story->path)), 'caption' => $text ]); $dm->save(); Conversation::updateOrInsert( [ 'to_id' => $story->profile_id, 'from_id' => $actorProfile->id ], [ 'type' => 'story:comment', 'status_id' => $status->id, 'dm_id' => $dm->id, 'is_hidden' => false ] ); $n = new Notification; $n->profile_id = $dm->to_id; $n->actor_id = $dm->from_id; $n->item_id = $dm->id; $n->item_type = 'App\DirectMessage'; $n->action = 'story:comment'; $n->message = "{$actorProfile->username} commented on story"; $n->rendered = "{$actorProfile->username} commented on story"; $n->save(); } }