3 * @file src/Worker/Delivery.php
5 namespace Friendica\Worker;
7 use Friendica\Core\Config;
8 use Friendica\Core\L10n;
9 use Friendica\Core\Logger;
10 use Friendica\Core\Protocol;
11 use Friendica\Database\DBA;
14 use Friendica\Protocol\DFRN;
15 use Friendica\Protocol\Diaspora;
16 use Friendica\Protocol\Email;
17 use Friendica\Protocol\Activity;
18 use Friendica\Util\Strings;
19 use Friendica\Util\Network;
20 use Friendica\Core\Worker;
25 const SUGGESTION = 'suggest';
26 const RELOCATION = 'relocate';
27 const DELETION = 'drop';
28 const POST = 'wall-new';
30 const UPLINK = 'uplink';
31 const REMOVAL = 'removeme';
32 const PROFILEUPDATE = 'profileupdate';
34 public static function execute($cmd, $target_id, $contact_id)
36 Logger::info('Invoked', ['cmd' => $cmd, 'target' => $target_id, 'contact' => $contact_id]);
40 $public_message = false;
43 if ($cmd == self::MAIL) {
44 $target_item = DBA::selectFirst('mail', [], ['id' => $target_id]);
45 if (!DBA::isResult($target_item)) {
46 self::setFailedQueue($cmd, $target_id);
49 $uid = $target_item['uid'];
50 } elseif ($cmd == self::SUGGESTION) {
51 $target_item = DBA::selectFirst('fsuggest', [], ['id' => $target_id]);
52 if (!DBA::isResult($target_item)) {
53 self::setFailedQueue($cmd, $target_id);
56 $uid = $target_item['uid'];
57 } elseif ($cmd == self::RELOCATION) {
61 $item = Model\Item::selectFirst(['parent'], ['id' => $target_id]);
62 if (!DBA::isResult($item) || empty($item['parent'])) {
63 self::setFailedQueue($cmd, $target_id);
66 $parent_id = intval($item['parent']);
68 $condition = ['id' => [$target_id, $parent_id], 'visible' => true, 'moderated' => false];
69 $params = ['order' => ['id']];
70 $itemdata = Model\Item::select([], $condition, $params);
72 while ($item = Model\Item::fetch($itemdata)) {
73 if ($item['id'] == $parent_id) {
76 if ($item['id'] == $target_id) {
81 DBA::close($itemdata);
83 if (empty($target_item)) {
84 Logger::log('Item ' . $target_id . "wasn't found. Quitting here.");
85 self::setFailedQueue($cmd, $target_id);
90 Logger::log('Parent ' . $parent_id . ' for item ' . $target_id . "wasn't found. Quitting here.");
91 self::setFailedQueue($cmd, $target_id);
95 if (!empty($target_item['contact-uid'])) {
96 $uid = $target_item['contact-uid'];
97 } elseif (!empty($target_item['uid'])) {
98 $uid = $target_item['uid'];
100 Logger::log('Only public users for item ' . $target_id, Logger::DEBUG);
101 self::setFailedQueue($cmd, $target_id);
105 $condition = ['uri' => $target_item['thr-parent'], 'uid' => $target_item['uid']];
106 $thr_parent = Model\Item::selectFirst(['network', 'object'], $condition);
107 if (!DBA::isResult($thr_parent)) {
108 // Shouldn't happen. But when this does, we just take the parent as thread parent.
109 // That's totally okay for what we use this variable here.
110 $thr_parent = $parent;
113 if (!empty($contact_id) && Model\Contact::isArchived($contact_id)) {
114 Logger::info('Contact is archived', ['id' => $contact_id, 'cmd' => $cmd, 'item' => $target_item['id']]);
115 self::setFailedQueue($cmd, $target_id);
119 // avoid race condition with deleting entries
120 if ($items[0]['deleted']) {
121 foreach ($items as $item) {
122 $item['deleted'] = 1;
126 // When commenting too fast after delivery, a post wasn't recognized as top level post.
127 // The count then showed more than one entry. The additional check should help.
128 // The check for the "count" should be superfluous, but I'm not totally sure by now, so we keep it.
129 if ((($parent['id'] == $target_id) || (count($items) == 1)) && ($parent['uri'] === $parent['parent-uri'])) {
130 Logger::log('Top level post');
134 // This is IMPORTANT!!!!
136 // We will only send a "notify owner to relay" or followup message if the referenced post
137 // originated on our system by virtue of having our hostname somewhere
138 // in the URI, AND it was a comment (not top_level) AND the parent originated elsewhere.
139 // if $parent['wall'] == 1 we will already have the parent message in our array
140 // and we will relay the whole lot.
142 $localhost = DI::baseUrl()->getHostname();
143 if (strpos($localhost, ':')) {
144 $localhost = substr($localhost, 0, strpos($localhost, ':'));
148 * Be VERY CAREFUL if you make any changes to the following line. Seemingly innocuous changes
149 * have been known to cause runaway conditions which affected several servers, along with
150 * permissions issues.
154 if (!$top_level && ($parent['wall'] == 0) && stristr($target_item['uri'], $localhost)) {
155 Logger::log('Followup ' . $target_item["guid"], Logger::DEBUG);
156 // local followup to remote post
160 if (empty($parent['allow_cid'])
161 && empty($parent['allow_gid'])
162 && empty($parent['deny_cid'])
163 && empty($parent['deny_gid'])
164 && !$parent["private"]) {
165 $public_message = true;
170 Logger::log('No delivery data for ' . $cmd . ' - Item ID: ' .$target_id . ' - Contact ID: ' . $contact_id);
173 $owner = Model\User::getOwnerDataById($uid);
174 if (!DBA::isResult($owner)) {
175 self::setFailedQueue($cmd, $target_id);
179 // We don't deliver our items to blocked or pending contacts, and not to ourselves either
180 $contact = DBA::selectFirst('contact', [],
181 ['id' => $contact_id, 'blocked' => false, 'pending' => false, 'self' => false]
183 if (!DBA::isResult($contact)) {
184 self::setFailedQueue($cmd, $target_id);
188 if (Network::isUrlBlocked($contact['url'])) {
189 self::setFailedQueue($cmd, $target_id);
193 // Transmit via Diaspora if the thread had started as Diaspora post.
194 // Also transmit via Diaspora if this is a direct answer to a Diaspora comment.
195 // This is done since the uri wouldn't match (Diaspora doesn't transmit it)
196 if (!empty($parent) && !empty($thr_parent) && in_array(Protocol::DIASPORA, [$parent['network'], $thr_parent['network']])) {
197 $contact['network'] = Protocol::DIASPORA;
200 // Ensure that local contacts are delivered locally
201 if (Model\Contact::isLocal($contact['url'])) {
202 $contact['network'] = Protocol::DFRN;
205 Logger::notice('Delivering', ['cmd' => $cmd, 'target' => $target_id, 'followup' => $followup, 'network' => $contact['network']]);
207 switch ($contact['network']) {
209 self::deliverDFRN($cmd, $contact, $owner, $items, $target_item, $public_message, $top_level, $followup);
212 case Protocol::DIASPORA:
213 self::deliverDiaspora($cmd, $contact, $owner, $items, $target_item, $public_message, $top_level, $followup);
217 self::deliverMail($cmd, $contact, $owner, $target_item, $thr_parent);
228 * Increased the "failed" counter in the item delivery data
230 * @param string $cmd Command
231 * @param integer $id Item id
233 private static function setFailedQueue(string $cmd, int $id)
235 if (!in_array($cmd, [Delivery::POST, Delivery::POKE])) {
239 Model\ItemDeliveryData::incrementQueueFailed($id);
243 * Deliver content via DFRN
245 * @param string $cmd Command
246 * @param array $contact Contact record of the receiver
247 * @param array $owner Owner record of the sender
248 * @param array $items Item record of the content and the parent
249 * @param array $target_item Item record of the content
250 * @param boolean $public_message Is the content public?
251 * @param boolean $top_level Is it a thread starter?
252 * @param boolean $followup Is it an answer to a remote post?
253 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
254 * @throws \ImagickException
256 private static function deliverDFRN($cmd, $contact, $owner, $items, $target_item, $public_message, $top_level, $followup)
258 // Transmit Diaspora reshares via Diaspora if the Friendica contact support Diaspora
259 if (Diaspora::isReshare($target_item['body']) && !empty(Diaspora::personByHandle($contact['addr'], false))) {
260 Logger::info('Reshare will be transmitted via Diaspora', ['url' => $contact['url'], 'guid' => ($target_item['guid'] ?? '') ?: $target_item['id']]);
261 self::deliverDiaspora($cmd, $contact, $owner, $items, $target_item, $public_message, $top_level, $followup);
265 Logger::info('Deliver ' . (($target_item['guid'] ?? '') ?: $target_item['id']) . ' via DFRN to ' . (($contact['addr'] ?? '') ?: $contact['url']));
267 if ($cmd == self::MAIL) {
268 $item = $target_item;
269 $item['body'] = Model\Item::fixPrivatePhotos($item['body'], $owner['uid'], null, $item['contact-id']);
270 $atom = DFRN::mail($item, $owner);
271 } elseif ($cmd == self::SUGGESTION) {
272 $item = $target_item;
273 $atom = DFRN::fsuggest($item, $owner);
274 DBA::delete('fsuggest', ['id' => $item['id']]);
275 } elseif ($cmd == self::RELOCATION) {
276 $atom = DFRN::relocate($owner, $owner['uid']);
277 } elseif ($followup) {
278 $msgitems = [$target_item];
279 $atom = DFRN::entries($msgitems, $owner);
282 foreach ($items as $item) {
283 // Only add the parent when we don't delete other items.
284 if (($target_item['id'] == $item['id']) || ($cmd != self::DELETION)) {
285 $item["entry:comment-allow"] = true;
286 $item["entry:cid"] = ($top_level ? $contact['id'] : 0);
290 $atom = DFRN::entries($msgitems, $owner);
293 Logger::debug('Notifier entry: ' . $contact["url"] . ' ' . (($target_item['guid'] ?? '') ?: $target_item['id']) . ' entry: ' . $atom);
295 // perform local delivery if we are on the same site
296 if (Model\Contact::isLocal($contact['url'])) {
297 $condition = ['nurl' => Strings::normaliseLink($contact['url']), 'self' => true];
298 $target_self = DBA::selectFirst('contact', ['uid'], $condition);
299 if (!DBA::isResult($target_self)) {
302 $target_uid = $target_self['uid'];
304 // Check if the user has got this contact
305 $cid = Model\Contact::getIdForURL($owner['url'], $target_uid);
307 // Otherwise there should be a public contact
308 $cid = Model\Contact::getIdForURL($owner['url']);
314 $target_importer = DFRN::getImporter($cid, $target_uid);
315 if (empty($target_importer)) {
316 // This should never happen
320 DFRN::import($atom, $target_importer);
322 if (in_array($cmd, [Delivery::POST, Delivery::POKE])) {
323 Model\ItemDeliveryData::incrementQueueDone($target_item['id'], Model\ItemDeliveryData::DFRN);
329 $protocol = Model\ItemDeliveryData::DFRN;
331 // We don't have a relationship with contacts on a public post.
332 // Se we transmit with the new method and via Diaspora as a fallback
333 if (!empty($items) && (($items[0]['uid'] == 0) || ($contact['uid'] == 0))) {
334 // Transmit in public if it's a relay post
335 $public_dfrn = ($contact['contact-type'] == Model\Contact::TYPE_RELAY);
337 $deliver_status = DFRN::transmit($owner, $contact, $atom, $public_dfrn);
339 // We never spool failed relay deliveries
341 Logger::info('Relay delivery to ' . $contact["url"] . ' with guid ' . $target_item["guid"] . ' returns ' . $deliver_status);
343 if (in_array($cmd, [Delivery::POST, Delivery::POKE])) {
344 if (($deliver_status >= 200) && ($deliver_status <= 299)) {
345 Model\ItemDeliveryData::incrementQueueDone($target_item['id'], $protocol);
347 Model\ItemDeliveryData::incrementQueueFailed($target_item['id']);
353 if (($deliver_status < 200) || ($deliver_status > 299)) {
354 // Transmit via Diaspora if not possible via Friendica
355 self::deliverDiaspora($cmd, $contact, $owner, $items, $target_item, $public_message, $top_level, $followup);
358 } elseif ($cmd != self::RELOCATION) {
359 // DFRN payload over Diaspora transport layer
360 $deliver_status = DFRN::transmit($owner, $contact, $atom);
361 if ($deliver_status < 200) {
363 $deliver_status = DFRN::deliver($owner, $contact, $atom);
364 $protocol = Model\ItemDeliveryData::LEGACY_DFRN;
367 $deliver_status = DFRN::deliver($owner, $contact, $atom);
368 $protocol = Model\ItemDeliveryData::LEGACY_DFRN;
371 Logger::info('DFRN Delivery', ['cmd' => $cmd, 'url' => $contact['url'], 'guid' => ($target_item['guid'] ?? '') ?: $target_item['id'], 'return' => $deliver_status]);
373 if (($deliver_status >= 200) && ($deliver_status <= 299)) {
374 // We successfully delivered a message, the contact is alive
375 Model\Contact::unmarkForArchival($contact);
377 if (in_array($cmd, [Delivery::POST, Delivery::POKE])) {
378 Model\ItemDeliveryData::incrementQueueDone($target_item['id'], $protocol);
381 // The message could not be delivered. We mark the contact as "dead"
382 Model\Contact::markForArchival($contact);
384 Logger::info('Delivery failed: defer message', ['id' => ($target_item['guid'] ?? '') ?: $target_item['id']]);
385 if (!Worker::defer() && in_array($cmd, [Delivery::POST, Delivery::POKE])) {
386 Model\ItemDeliveryData::incrementQueueFailed($target_item['id']);
392 * Deliver content via Diaspora
394 * @param string $cmd Command
395 * @param array $contact Contact record of the receiver
396 * @param array $owner Owner record of the sender
397 * @param array $items Item record of the content and the parent
398 * @param array $target_item Item record of the content
399 * @param boolean $public_message Is the content public?
400 * @param boolean $top_level Is it a thread starter?
401 * @param boolean $followup Is it an answer to a remote post?
402 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
403 * @throws \ImagickException
405 private static function deliverDiaspora($cmd, $contact, $owner, $items, $target_item, $public_message, $top_level, $followup)
407 // We don't treat Forum posts as "wall-to-wall" to be able to post them via Diaspora
408 $walltowall = $top_level && ($owner['id'] != $items[0]['contact-id']) & ($owner['account-type'] != Model\User::ACCOUNT_TYPE_COMMUNITY);
410 if ($public_message) {
411 $loc = 'public batch ' . $contact['batch'];
413 $loc = $contact['addr'];
416 Logger::notice('Deliver via Diaspora', ['target' => $target_item['id'], 'guid' => $target_item['guid'], 'to' => $loc]);
418 if (Config::get('system', 'dfrn_only') || !Config::get('system', 'diaspora_enabled')) {
422 if ($cmd == self::MAIL) {
423 Diaspora::sendMail($target_item, $owner, $contact);
427 if ($cmd == self::SUGGESTION) {
431 if (!$contact['pubkey'] && !$public_message) {
435 if ($cmd == self::RELOCATION) {
436 $deliver_status = Diaspora::sendAccountMigration($owner, $contact, $owner['uid']);
437 } elseif ($target_item['deleted'] && (($target_item['uri'] === $target_item['parent-uri']) || $followup)) {
438 // top-level retraction
439 Logger::log('diaspora retract: ' . $loc);
440 $deliver_status = Diaspora::sendRetraction($target_item, $owner, $contact, $public_message);
441 } elseif ($followup) {
442 // send comments and likes to owner to relay
443 Logger::log('diaspora followup: ' . $loc);
444 $deliver_status = Diaspora::sendFollowup($target_item, $owner, $contact, $public_message);
445 } elseif ($target_item['uri'] !== $target_item['parent-uri']) {
446 // we are the relay - send comments, likes and relayable_retractions to our conversants
447 Logger::log('diaspora relay: ' . $loc);
448 $deliver_status = Diaspora::sendRelay($target_item, $owner, $contact, $public_message);
449 } elseif ($top_level && !$walltowall) {
450 // currently no workable solution for sending walltowall
451 Logger::log('diaspora status: ' . $loc);
452 $deliver_status = Diaspora::sendStatus($target_item, $owner, $contact, $public_message);
454 Logger::log('Unknown mode ' . $cmd . ' for ' . $loc);
458 if (($deliver_status >= 200) && ($deliver_status <= 299)) {
459 // We successfully delivered a message, the contact is alive
460 Model\Contact::unmarkForArchival($contact);
462 if (in_array($cmd, [Delivery::POST, Delivery::POKE])) {
463 Model\ItemDeliveryData::incrementQueueDone($target_item['id'], Model\ItemDeliveryData::DIASPORA);
466 // The message could not be delivered. We mark the contact as "dead"
467 Model\Contact::markForArchival($contact);
469 // When it is delivered to the public endpoint, we do mark the relay contact for archival as well
470 if ($public_message) {
471 Diaspora::markRelayForArchival($contact);
474 if (empty($contact['contact-type']) || ($contact['contact-type'] != Model\Contact::TYPE_RELAY)) {
475 Logger::info('Delivery failed: defer message', ['id' => ($target_item['guid'] ?? '') ?: $target_item['id']]);
476 // defer message for redelivery
477 if (!Worker::defer() && in_array($cmd, [Delivery::POST, Delivery::POKE])) {
478 Model\ItemDeliveryData::incrementQueueFailed($target_item['id']);
480 } elseif (in_array($cmd, [Delivery::POST, Delivery::POKE])) {
481 Model\ItemDeliveryData::incrementQueueFailed($target_item['id']);
487 * Deliver content via mail
489 * @param string $cmd Command
490 * @param array $contact Contact record of the receiver
491 * @param array $owner Owner record of the sender
492 * @param array $target_item Item record of the content
493 * @param array $thr_parent Item record of the direct parent in the thread
494 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
495 * @throws \ImagickException
497 private static function deliverMail($cmd, $contact, $owner, $target_item, $thr_parent)
499 if (Config::get('system','dfrn_only')) {
503 $addr = $contact['addr'];
504 if (!strlen($addr)) {
508 if (!in_array($cmd, [self::POST, self::POKE])) {
512 if ($target_item['verb'] != Activity::POST) {
516 if (!empty($thr_parent['object'])) {
517 $data = json_decode($thr_parent['object'], true);
518 if (!empty($data['reply_to'])) {
519 $addr = $data['reply_to'][0]['mailbox'] . '@' . $data['reply_to'][0]['host'];
520 Logger::info('Use "reply-to" address of the thread parent', ['addr' => $addr]);
521 } elseif (!empty($data['from'])) {
522 $addr = $data['from'][0]['mailbox'] . '@' . $data['from'][0]['host'];
523 Logger::info('Use "from" address of the thread parent', ['addr' => $addr]);
527 $local_user = DBA::selectFirst('user', [], ['uid' => $owner['uid']]);
528 if (!DBA::isResult($local_user)) {
532 Logger::info('About to deliver via mail', ['guid' => $target_item['guid'], 'to' => $addr]);
535 $mailacct = DBA::selectFirst('mailacct', ['reply_to'], ['uid' => $owner['uid']]);
536 if (DBA::isResult($mailacct) && !empty($mailacct['reply_to'])) {
537 $reply_to = $mailacct['reply_to'];
540 $subject = ($target_item['title'] ? Email::encodeHeader($target_item['title'], 'UTF-8') : DI::l10n()->t("\x28no subject\x29"));
542 // only expose our real email address to true friends
544 if (($contact['rel'] == Model\Contact::FRIEND) && !$contact['blocked']) {
546 $headers = 'From: ' . Email::encodeHeader($local_user['username'],'UTF-8') . ' <' . $reply_to . '>' . "\n";
547 $headers .= 'Sender: ' . $local_user['email'] . "\n";
549 $headers = 'From: ' . Email::encodeHeader($local_user['username'],'UTF-8') . ' <' . $local_user['email'] . '>' . "\n";
552 $headers = 'From: '. Email::encodeHeader($local_user['username'], 'UTF-8') . ' <noreply@' . DI::baseUrl()->getHostname() . '>' . "\n";
555 $headers .= 'Message-Id: <' . Email::iri2msgid($target_item['uri']) . '>' . "\n";
557 if ($target_item['uri'] !== $target_item['parent-uri']) {
558 $headers .= 'References: <' . Email::iri2msgid($target_item['parent-uri']) . '>';
560 // Export more references on deeper nested threads
561 if (($target_item['thr-parent'] != '') && ($target_item['thr-parent'] != $target_item['parent-uri'])) {
562 $headers .= ' <' . Email::iri2msgid($target_item['thr-parent']) . '>';
567 if (empty($target_item['title'])) {
568 $condition = ['uri' => $target_item['parent-uri'], 'uid' => $owner['uid']];
569 $title = Model\Item::selectFirst(['title'], $condition);
571 if (DBA::isResult($title) && ($title['title'] != '')) {
572 $subject = $title['title'];
574 $condition = ['parent-uri' => $target_item['parent-uri'], 'uid' => $owner['uid']];
575 $title = Model\Item::selectFirst(['title'], $condition);
577 if (DBA::isResult($title) && ($title['title'] != '')) {
578 $subject = $title['title'];
583 if (strncasecmp($subject, 'RE:', 3)) {
584 $subject = 'Re: ' . $subject;
588 Email::send($addr, $subject, $headers, $target_item);
590 Model\ItemDeliveryData::incrementQueueDone($target_item['id'], Model\ItemDeliveryData::MAIL);
592 Logger::info('Delivered via mail', ['guid' => $target_item['guid'], 'to' => $addr, 'subject' => $subject]);