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AP: Follow a note to receive all upcoming activities

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This commit is contained in:
Michael 2019-01-30 16:30:01 +00:00
parent 25aa3cff1b
commit fce46f5124
2 changed files with 41 additions and 1 deletions
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6
src/Protocol/ActivityPub/Receiver.php
View file

@ -208,7 +208,8 @@ class Receiver
}
// We had been able to retrieve the object data - so we can trust the source
$trust_source = true;
} elseif (in_array($type, ['as:Like', 'as:Dislike'])) {
} elseif (in_array($type, ['as:Like', 'as:Dislike']) ||
(($type == 'as:Follow') && in_array($object_type, self::CONTENT_TYPES))) {
// Create a mostly empty array out of the activity data (instead of the object).
// This way we later don't have to check for the existence of ech individual array element.
$object_data = self::processObject($activity);
@ -394,6 +395,9 @@ class Receiver
case 'as:Follow':
if (in_array($object_data['object_type'], self::ACCOUNT_TYPES)) {
ActivityPub\Processor::followUser($object_data);
} elseif (in_array($object_data['object_type'], self::CONTENT_TYPES)) {
$object_data['reply-to-id'] = $object_data['object_id'];
ActivityPub\Processor::createActivity($object_data, ACTIVITY_FOLLOW);
}
break;

36
src/Protocol/ActivityPub/Transmitter.php
View file

@ -601,6 +601,8 @@ class Transmitter
$type = 'Reject';
} elseif ($item['verb'] == ACTIVITY_ATTENDMAYBE) {
$type = 'TentativeAccept';
} elseif ($item['verb'] == ACTIVITY_FOLLOW) {
$type = 'Follow';
} else {
$type = '';
}
@ -701,6 +703,8 @@ class Transmitter
$data['object'] = self::createNote($item);
} elseif ($data['type'] == 'Announce') {
$data = self::createAnnounce($item, $data);
} elseif ($data['type'] == 'Follow') {
$data['object'] = $item['parent-uri'];
} elseif ($data['type'] == 'Undo') {
$data['object'] = self::createActivityFromItem($item_id, true);
} else {
@ -1275,6 +1279,38 @@ class Transmitter
return HTTPSignature::transmit($signed, $profile['inbox'], $uid);
}
/**
* Transmits a "follow object" activity to a target
* This is a preparation for sending automated "follow" requests when receiving "Announce" messages
*
* @param string $object Object URL
* @param string $target Target profile
* @param integer $uid User ID
* @return bool
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
* @throws \Exception
*/
public static function sendFollowObject($object, $target, $uid)
{
$profile = APContact::getByURL($target);
$owner = User::getOwnerDataById($uid);
$data = ['@context' => ActivityPub::CONTEXT,
'id' => System::baseUrl() . '/activity/' . System::createGUID(),
'type' => 'Follow',
'actor' => $owner['url'],
'object' => $object,
'instrument' => ['type' => 'Service', 'name' => BaseObject::getApp()->getUserAgent()],
'to' => [$profile['url']]];
Logger::log('Sending follow ' . $object . ' to ' . $target . ' for user ' . $uid, Logger::DEBUG);
$signed = LDSignature::sign($data, $owner);
return HTTPSignature::transmit($signed, $profile['inbox'], $uid);
}
/**
* Transmit a message that the contact request had been accepted
*