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Merge pull request #11385 from annando/ap-receiver-unhandled 

Added handling of some previously unhandled activities
This commit is contained in:
Hypolite Petovan 2022-04-04 10:59:35 -04:00 committed by GitHub
parent 8ab477320a 1475f53e21
commit eceaf782cc
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 131 additions and 9 deletions
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2
src/Protocol/ActivityPub/Processor.php
View File

@ -446,7 +446,7 @@ class Processor
*/
public static function createEvent($activity, $item)
{
$event['summary'] = HTML::toBBCode($activity['name']);
$event['summary'] = HTML::toBBCode($activity['name'] ?: $activity['summary']);
$event['desc'] = HTML::toBBCode($activity['content']);
$event['start'] = $activity['start-time'];
$event['finish'] = $activity['end-time'];

138
src/Protocol/ActivityPub/Receiver.php
View File

@ -27,6 +27,8 @@ use Friendica\Content\Text\HTML;
use Friendica\Content\Text\Markdown;
use Friendica\Core\Logger;
use Friendica\Core\Protocol;
use Friendica\Core\System;
use Friendica\DI;
use Friendica\Model\Contact;
use Friendica\Model\APContact;
use Friendica\Model\Item;
@ -359,9 +361,9 @@ class Receiver
$object_data['object_object'] = JsonLD::fetchElement($activity['as:object'], 'as:object');
$object_data['object_type'] = JsonLD::fetchElement($activity['as:object'], '@type');
$object_data['push'] = $push;
} elseif (in_array($type, ['as:Create', 'as:Update', 'as:Announce']) || strpos($type, '#emojiReaction')) {
// Fetch the content only on activities where this matters
// We can receive "#emojiReaction" when fetching content from Hubzilla systems
} elseif (in_array($type, ['as:Create', 'as:Update', 'as:Announce', 'as:Invite']) || strpos($type, '#emojiReaction')) {
// Fetch the content only on activities where this matters
// We can receive "#emojiReaction" when fetching content from Hubzilla systems
// Always fetch on "Announce"
$object_data = self::fetchObject($object_id, $activity['as:object'], $trust_source && ($type != 'as:Announce'), $fetch_uid);
if (empty($object_data)) {
@ -392,7 +394,7 @@ class Receiver
$object_data['object_id'] = $object_id;
$object_data['object_type'] = ''; // Since we don't fetch the object, we don't know the type
$object_data['push'] = $push;
} elseif (in_array($type, ['as:Add'])) {
} elseif (in_array($type, ['as:Add', 'as:Remove'])) {
$object_data = [];
$object_data['id'] = JsonLD::fetchElement($activity, '@id');
$object_data['target_id'] = JsonLD::fetchElement($activity, 'as:target', '@id');
@ -470,10 +472,11 @@ class Receiver
* Processes the activity object
*
* @param array $activity Array with activity data
* @param string $body
* @param string $body The unprocessed body
* @param integer $uid User ID
* @param boolean $trust_source Do we trust the source?
* @param boolean $push Message had been pushed to our system
* @param array $signer The signer of the post
* @throws \Exception
*/
public static function processActivity($activity, string $body = '', int $uid = null, bool $trust_source = false, bool $push = false, array $signer = [])
@ -555,12 +558,32 @@ class Receiver
if (in_array($object_data['object_type'], self::CONTENT_TYPES)) {
$item = ActivityPub\Processor::createItem($object_data);
ActivityPub\Processor::postItem($object_data, $item);
} elseif (in_array($object_data['object_type'], ['pt:CacheFile'])) {
// Unhandled Peertube activity
} else {
self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
}
break;
case 'as:Invite':
if (in_array($object_data['object_type'], ['as:Event'])) {
$item = ActivityPub\Processor::createItem($object_data);
ActivityPub\Processor::postItem($object_data, $item);
} else {
self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
}
break;
case 'as:Add':
if ($object_data['object_type'] == 'as:tag') {
ActivityPub\Processor::addTag($object_data);
} elseif (in_array($object_data['object_type'], self::CONTENT_TYPES)) {
// Seems to be used by Mastodon to announce that a post is pinned
self::storeUnhandledActivity(false, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
} elseif ($object_data['object_type'] == '') {
// The object type couldn't be determined. We don't have it and we can't fetch it. We ignore this activity.
} else {
self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
}
break;
@ -589,24 +612,36 @@ class Receiver
}
ActivityPub\Processor::createActivity($announce_object_data, Activity::ANNOUNCE);
} else {
self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
}
break;
case 'as:Like':
if (in_array($object_data['object_type'], self::CONTENT_TYPES)) {
ActivityPub\Processor::createActivity($object_data, Activity::LIKE);
} elseif ($object_data['object_type'] == '') {
// The object type couldn't be determined. We don't have it and we can't fetch it. We ignore this activity.
} else {
self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
}
break;
case 'as:Dislike':
if (in_array($object_data['object_type'], self::CONTENT_TYPES)) {
ActivityPub\Processor::createActivity($object_data, Activity::DISLIKE);
} elseif ($object_data['object_type'] == '') {
// The object type couldn't be determined. We don't have it and we can't fetch it. We ignore this activity.
} else {
self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
}
break;
case 'as:TentativeAccept':
if (in_array($object_data['object_type'], self::CONTENT_TYPES)) {
ActivityPub\Processor::createActivity($object_data, Activity::ATTENDMAYBE);
} else {
self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
}
break;
@ -615,14 +650,42 @@ class Receiver
ActivityPub\Processor::updateItem($object_data);
} elseif (in_array($object_data['object_type'], self::ACCOUNT_TYPES)) {
ActivityPub\Processor::updatePerson($object_data);
} elseif (in_array($object_data['object_type'], ['pt:CacheFile'])) {
// Unhandled Peertube activity
} else {
self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
}
break;
case 'as:Delete':
if ($object_data['object_type'] == 'as:Tombstone') {
if (in_array($object_data['object_type'], array_merge(['as:Tombstone'], self::CONTENT_TYPES))) {
ActivityPub\Processor::deleteItem($object_data);
} elseif (in_array($object_data['object_type'], self::ACCOUNT_TYPES)) {
ActivityPub\Processor::deletePerson($object_data);
} elseif ($object_data['object_type'] == '') {
// The object type couldn't be determined. Most likely we don't have it here. We ignore this activity.
} else {
self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
}
break;
case 'as:Block':
if (in_array($object_data['object_type'], self::ACCOUNT_TYPES)) {
// Used by Mastodon to announce that the sender has blocked the account
self::storeUnhandledActivity(false, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
} else {
self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
}
break;
case 'as:Remove':
if (in_array($object_data['object_type'], self::CONTENT_TYPES)) {
// Seems to be used by Mastodon to remove the pinned status of a post
self::storeUnhandledActivity(false, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
} elseif ($object_data['object_type'] == '') {
// The object type couldn't be determined. We don't have it and we can't fetch it. We ignore this activity.
} else {
self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
}
break;
@ -632,6 +695,8 @@ class Receiver
} elseif (in_array($object_data['object_type'], self::CONTENT_TYPES)) {
$object_data['reply-to-id'] = $object_data['object_id'];
ActivityPub\Processor::createActivity($object_data, Activity::FOLLOW);
} else {
self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
}
break;
@ -640,6 +705,8 @@ class Receiver
ActivityPub\Processor::acceptFollowUser($object_data);
} elseif (in_array($object_data['object_type'], self::CONTENT_TYPES)) {
ActivityPub\Processor::createActivity($object_data, Activity::ATTEND);
} else {
self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
}
break;
@ -648,6 +715,8 @@ class Receiver
ActivityPub\Processor::rejectFollowUser($object_data);
} elseif (in_array($object_data['object_type'], self::CONTENT_TYPES)) {
ActivityPub\Processor::createActivity($object_data, Activity::ATTENDNO);
} else {
self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
}
break;
@ -655,21 +724,74 @@ class Receiver
if (($object_data['object_type'] == 'as:Follow') &&
in_array($object_data['object_object_type'], self::ACCOUNT_TYPES)) {
ActivityPub\Processor::undoFollowUser($object_data);
} elseif (($object_data['object_type'] == 'as:Follow') &&
in_array($object_data['object_object_type'], self::CONTENT_TYPES)) {
ActivityPub\Processor::undoActivity($object_data);
} elseif (($object_data['object_type'] == 'as:Accept') &&
in_array($object_data['object_object_type'], self::ACCOUNT_TYPES)) {
ActivityPub\Processor::rejectFollowUser($object_data);
} elseif (in_array($object_data['object_type'], self::ACTIVITY_TYPES) &&
in_array($object_data['object_object_type'], self::CONTENT_TYPES)) {
} elseif (in_array($object_data['object_type'], array_merge(self::ACTIVITY_TYPES, ['as:Announce'])) &&
in_array($object_data['object_object_type'], array_merge(['as:Tombstone'], self::CONTENT_TYPES))) {
ActivityPub\Processor::undoActivity($object_data);
} elseif (in_array($object_data['object_type'], array_merge(self::ACTIVITY_TYPES, ['as:Announce', 'as:Create', ''])) &&
empty($object_data['object_object_type'])) {
// We cannot detect the target object. So we can ignore it.
} elseif (in_array($object_data['object_type'], ['as:Create']) &&
in_array($object_data['object_object_type'], ['pt:CacheFile'])) {
// Unhandled Peertube activity
} else {
self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
}
break;
case 'as:View':
if (in_array($object_data['object_type'], ['as:Note', 'as:Video'])) {
// Unhandled Peertube activity
} else {
self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
}
break;
case 'litepub:EmojiReact':
if (in_array($object_data['object_type'], array_merge([''], self::CONTENT_TYPES))) {
// Unhandled Pleroma activity to react to a post via an emoji
} else {
self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
}
break;
default:
Logger::info('Unknown activity: ' . $type . ' ' . $object_data['object_type']);
self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
break;
}
}
/**
* Stores unhandled or unknown Activities as a file
*
* @param boolean $unknown "true" if the activity is unknown, "false" if it is unhandled
* @param string $type Activity type
* @param array $object_data Preprocessed array that is generated out of the received activity
* @param array $activity Array with activity data
* @param string $body The unprocessed body
* @param integer $uid User ID
* @param boolean $trust_source Do we trust the source?
* @param boolean $push Message had been pushed to our system
* @param array $signer The signer of the post
* @return void
*/
private static function storeUnhandledActivity(bool $unknown, string $type, array $object_data, array $activity, string $body = '', int $uid = null, bool $trust_source = false, bool $push = false, array $signer = [])
{
if (!DI::config()->get('debug', 'ap_log_unknown')) {
return;
}
$tempfile = tempnam(System::getTempPath(), ($unknown ? 'unknown-' : 'unhandled-') . str_replace(':', '-', $type) . '-' . str_replace(':', '-', $object_data['object_type']) . '-' . str_replace(':', '-', $object_data['object_object_type'] ?? '') . '-');
file_put_contents($tempfile, json_encode(['activity' => $activity, 'body' => $body, 'uid' => $uid, 'trust_source' => $trust_source, 'push' => $push, 'signer' => $signer, 'object_data' => $object_data], JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE));
Logger::notice('Unknown activity stored', ['type' => $type, 'object_type' => $object_data['object_type'], $object_data['object_object_type'] ?? '', 'file' => $tempfile]);
}
/**
* Fetch a user id from an activity array
*