3 * @file src/Worker/OnePoll.php
5 namespace Friendica\Worker;
7 use Friendica\BaseObject;
8 use Friendica\Content\Text\BBCode;
9 use Friendica\Core\Config;
10 use Friendica\Core\PConfig;
11 use Friendica\Core\Protocol;
12 use Friendica\Database\DBA;
13 use Friendica\Model\Contact;
14 use Friendica\Model\Item;
15 use Friendica\Protocol\Email;
16 use Friendica\Protocol\PortableContact;
17 use Friendica\Util\DateTimeFormat;
18 use Friendica\Util\Network;
19 use Friendica\Util\XML;
21 require_once 'include/dba.php';
25 public static function execute($contact_id = 0, $command = '')
27 $a = BaseObject::getApp();
29 require_once 'include/items.php';
39 if ($command == "force") {
48 $d = DateTimeFormat::utcNow();
50 $contact = DBA::selectFirst('contact', [], ['id' => $contact_id]);
51 if (!DBA::isResult($contact)) {
52 logger('Contact not found or cannot be used.');
56 $importer_uid = $contact['uid'];
58 // load current friends if possible.
59 if (($contact['poco'] != "") && ($contact['success_update'] > $contact['failure_update'])) {
60 $r = q("SELECT count(*) AS total FROM glink
61 WHERE `cid` = %d AND updated > UTC_TIMESTAMP() - INTERVAL 1 DAY",
62 intval($contact['id'])
64 if (DBA::isResult($r)) {
65 if (!$r[0]['total']) {
66 PortableContact::loadWorker($contact['id'], $importer_uid, 0, $contact['poco']);
71 // Diaspora users, archived users and followers are only checked if they still exist.
72 if ($contact['archive'] || ($contact["network"] == Protocol::DIASPORA) || ($contact["rel"] == Contact::FOLLOWER)) {
73 $last_updated = PortableContact::lastUpdated($contact["url"], true);
74 $updated = DateTimeFormat::utcNow();
77 logger('Contact '.$contact['id'].' had last update on '.$last_updated, LOGGER_DEBUG);
79 // The last public item can be older than the last item we got
80 if ($last_updated < $contact['last-item']) {
81 $last_updated = $contact['last-item'];
84 $fields = ['last-item' => DateTimeFormat::utc($last_updated), 'last-update' => $updated, 'success_update' => $updated];
85 self::updateContact($contact, $fields);
86 Contact::unmarkForArchival($contact);
88 self::updateContact($contact, ['last-update' => $updated, 'failure_update' => $updated]);
89 Contact::markForArchival($contact);
90 logger('Contact '.$contact['id'].' is marked for archival', LOGGER_DEBUG);
98 $t = $contact['last-update'];
100 if ($contact['subhub']) {
101 $poll_interval = Config::get('system', 'pushpoll_frequency', 3);
102 $contact['priority'] = intval($poll_interval);
105 if (DateTimeFormat::utcNow() > DateTimeFormat::utc($t . " + 1 day")) {
112 $last_update = (($contact['last-update'] <= NULL_DATE)
113 ? DateTimeFormat::utc('now - 7 days', DateTimeFormat::ATOM)
114 : DateTimeFormat::utc($contact['last-update'], DateTimeFormat::ATOM)
117 // Update the contact entry
118 if (($contact['network'] === Protocol::OSTATUS) || ($contact['network'] === Protocol::DIASPORA) || ($contact['network'] === Protocol::DFRN)) {
119 if (!PortableContact::reachable($contact['url'])) {
120 logger("Skipping probably dead contact ".$contact['url']);
122 // set the last-update so we don't keep polling
123 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
127 if (!Contact::updateFromProbe($contact["id"])) {
128 Contact::markForArchival($contact);
129 logger('Contact is marked dead');
131 // set the last-update so we don't keep polling
132 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
135 Contact::unmarkForArchival($contact);
139 if ($importer_uid == 0) {
140 logger('Ignore public contacts');
142 // set the last-update so we don't keep polling
143 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
147 $r = q("SELECT `contact`.*, `user`.`page-flags` FROM `contact` INNER JOIN `user` on `contact`.`uid` = `user`.`uid` WHERE `user`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
148 intval($importer_uid)
151 if (!DBA::isResult($r)) {
152 logger('No self contact for user '.$importer_uid);
154 // set the last-update so we don't keep polling
155 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
162 logger("poll: ({$contact['network']}-{$contact['id']}) IMPORTER: {$importer['name']}, CONTACT: {$contact['name']}");
164 if ($contact['network'] === Protocol::DFRN) {
165 $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
166 if (intval($contact['duplex']) && $contact['dfrn-id']) {
167 $idtosend = '0:' . $orig_id;
169 if (intval($contact['duplex']) && $contact['issued-id']) {
170 $idtosend = '1:' . $orig_id;
173 // they have permission to write to us. We already filtered this in the contact query.
176 // But this may be our first communication, so set the writable flag if it isn't set already.
178 if (!intval($contact['writable'])) {
179 $fields = ['writable' => true];
180 DBA::update('contact', $fields, ['id' => $contact['id']]);
183 $url = $contact['poll'] . '?dfrn_id=' . $idtosend
184 . '&dfrn_version=' . DFRN_PROTOCOL_VERSION
185 . '&type=data&last_update=' . $last_update
188 $ret = Network::curl($url);
190 if (!empty($ret["errno"]) && ($ret['errno'] == CURLE_OPERATION_TIMEDOUT)) {
191 // set the last-update so we don't keep polling
192 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
193 Contact::markForArchival($contact);
197 $handshake_xml = $ret['body'];
199 $html_code = $a->get_curl_code();
201 logger('handshake with url ' . $url . ' returns xml: ' . $handshake_xml, LOGGER_DATA);
203 if (!strlen($handshake_xml) || ($html_code >= 400) || !$html_code) {
204 logger("$url appears to be dead - marking for death ");
206 // dead connection - might be a transient event, or this might
207 // mean the software was uninstalled or the domain expired.
208 // Will keep trying for one month.
210 Contact::markForArchival($contact);
212 // set the last-update so we don't keep polling
213 $fields = ['last-update' => DateTimeFormat::utcNow(), 'failure_update' => DateTimeFormat::utcNow()];
214 self::updateContact($contact, $fields);
218 if (!strstr($handshake_xml, '<')) {
219 logger('response from ' . $url . ' did not contain XML.');
221 Contact::markForArchival($contact);
223 $fields = ['last-update' => DateTimeFormat::utcNow(), 'failure_update' => DateTimeFormat::utcNow()];
224 self::updateContact($contact, $fields);
229 $res = XML::parseString($handshake_xml);
231 if (intval($res->status) == 1) {
232 logger("$url replied status 1 - marking for death ");
234 // we may not be friends anymore. Will keep trying for one month.
235 // set the last-update so we don't keep polling
236 $fields = ['last-update' => DateTimeFormat::utcNow(), 'failure_update' => DateTimeFormat::utcNow()];
237 self::updateContact($contact, $fields);
239 Contact::markForArchival($contact);
240 } elseif ($contact['term-date'] > NULL_DATE) {
241 logger("$url back from the dead - removing mark for death");
242 Contact::unmarkForArchival($contact);
245 if ((intval($res->status) != 0) || !strlen($res->challenge) || !strlen($res->dfrn_id)) {
246 // set the last-update so we don't keep polling
247 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
251 if (((float)$res->dfrn_version > 2.21) && ($contact['poco'] == '')) {
252 $fields = ['poco' => str_replace('/profile/', '/poco/', $contact['url'])];
253 DBA::update('contact', $fields, ['id' => $contact['id']]);
258 $sent_dfrn_id = hex2bin((string) $res->dfrn_id);
259 $challenge = hex2bin((string) $res->challenge);
263 if ($contact['duplex'] && strlen($contact['prvkey'])) {
264 openssl_private_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['prvkey']);
265 openssl_private_decrypt($challenge, $postvars['challenge'], $contact['prvkey']);
267 openssl_public_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['pubkey']);
268 openssl_public_decrypt($challenge, $postvars['challenge'], $contact['pubkey']);
271 $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
273 if (strpos($final_dfrn_id, ':') == 1) {
274 $final_dfrn_id = substr($final_dfrn_id, 2);
277 if ($final_dfrn_id != $orig_id) {
278 // did not decode properly - cannot trust this site
279 logger('ID did not decode: ' . $contact['id'] . ' orig: ' . $orig_id . ' final: ' . $final_dfrn_id);
281 // set the last-update so we don't keep polling
282 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
283 Contact::markForArchival($contact);
287 $postvars['dfrn_id'] = $idtosend;
288 $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
289 $postvars['perm'] = 'rw';
291 $xml = Network::post($contact['poll'], $postvars);
293 } elseif (($contact['network'] === Protocol::OSTATUS)
294 || ($contact['network'] === Protocol::DIASPORA)
295 || ($contact['network'] === Protocol::FEED)) {
297 // Upgrading DB fields from an older Friendica version
298 // Will only do this once per notify-enabled OStatus contact
299 // or if relationship changes
301 $stat_writeable = ((($contact['notify']) && ($contact['rel'] == Contact::FOLLOWER || $contact['rel'] == Contact::FRIEND)) ? 1 : 0);
303 // Contacts from OStatus are always writable
304 if ($contact['network'] === Protocol::OSTATUS) {
308 if ($stat_writeable != $contact['writable']) {
309 $fields = ['writable' => $stat_writeable];
310 DBA::update('contact', $fields, ['id' => $contact['id']]);
313 // Are we allowed to import from this person?
315 if ($contact['rel'] == Contact::FOLLOWER || $contact['blocked']) {
316 // set the last-update so we don't keep polling
317 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
321 $cookiejar = tempnam(get_temppath(), 'cookiejar-onepoll-');
322 $ret = Network::curl($contact['poll'], false, $redirects, ['cookiejar' => $cookiejar]);
325 if (!empty($ret["errno"]) && ($ret['errno'] == CURLE_OPERATION_TIMEDOUT)) {
326 // set the last-update so we don't keep polling
327 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
328 Contact::markForArchival($contact);
334 } elseif ($contact['network'] === Protocol::MAIL) {
335 logger("Mail: Fetching for ".$contact['addr'], LOGGER_DEBUG);
337 $mail_disabled = ((function_exists('imap_open') && (! Config::get('system', 'imap_disabled'))) ? 0 : 1);
338 if ($mail_disabled) {
339 // set the last-update so we don't keep polling
340 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
341 Contact::markForArchival($contact);
345 logger("Mail: Enabled", LOGGER_DEBUG);
348 $user = DBA::selectFirst('user', ['prvkey'], ['uid' => $importer_uid]);
350 $condition = ["`server` != '' AND `uid` = ?", $importer_uid];
351 $mailconf = DBA::selectFirst('mailacct', [], $condition);
352 if (DBA::isResult($user) && DBA::isResult($mailconf)) {
353 $mailbox = Email::constructMailboxName($mailconf);
355 openssl_private_decrypt(hex2bin($mailconf['pass']), $password, $user['prvkey']);
356 $mbox = Email::connect($mailbox, $mailconf['user'], $password);
358 logger("Mail: Connect to " . $mailconf['user']);
360 $fields = ['last_check' => DateTimeFormat::utcNow()];
361 DBA::update('mailacct', $fields, ['id' => $mailconf['id']]);
362 logger("Mail: Connected to " . $mailconf['user']);
364 logger("Mail: Connection error ".$mailconf['user']." ".print_r(imap_errors(), true));
369 $msgs = Email::poll($mbox, $contact['addr']);
372 logger("Mail: Parsing ".count($msgs)." mails from ".$contact['addr']." for ".$mailconf['user'], LOGGER_DEBUG);
374 $metas = Email::messageMeta($mbox, implode(',', $msgs));
376 if (count($metas) != count($msgs)) {
377 logger("for " . $mailconf['user'] . " there are ". count($msgs) . " messages but received " . count($metas) . " metas", LOGGER_DEBUG);
379 $msgs = array_combine($msgs, $metas);
381 foreach ($msgs as $msg_uid => $meta) {
382 logger("Mail: Parsing mail ".$msg_uid, LOGGER_DATA);
385 $datarray['verb'] = ACTIVITY_POST;
386 $datarray['object-type'] = ACTIVITY_OBJ_NOTE;
387 $datarray['network'] = Protocol::MAIL;
388 // $meta = Email::messageMeta($mbox, $msg_uid);
390 $datarray['uri'] = Email::msgid2iri(trim($meta->message_id, '<>'));
392 // Have we seen it before?
393 $fields = ['deleted', 'id'];
394 $condition = ['uid' => $importer_uid, 'uri' => $datarray['uri']];
395 $item = Item::selectFirst($fields, $condition);
396 if (DBA::isResult($item)) {
397 logger("Mail: Seen before ".$msg_uid." for ".$mailconf['user']." UID: ".$importer_uid." URI: ".$datarray['uri'],LOGGER_DEBUG);
399 // Only delete when mails aren't automatically moved or deleted
400 if (($mailconf['action'] != 1) && ($mailconf['action'] != 3))
401 if ($meta->deleted && ! $item['deleted']) {
402 $fields = ['deleted' => true, 'changed' => DateTimeFormat::utcNow()];
403 Item::update($fields, ['id' => $item['id']]);
406 switch ($mailconf['action']) {
408 logger("Mail: Seen before ".$msg_uid." for ".$mailconf['user'].". Doing nothing.", LOGGER_DEBUG);
411 logger("Mail: Deleting ".$msg_uid." for ".$mailconf['user']);
412 imap_delete($mbox, $msg_uid, FT_UID);
415 logger("Mail: Mark as seen ".$msg_uid." for ".$mailconf['user']);
416 imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
419 logger("Mail: Moving ".$msg_uid." to ".$mailconf['movetofolder']." for ".$mailconf['user']);
420 imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
421 if ($mailconf['movetofolder'] != "") {
422 imap_mail_move($mbox, $msg_uid, $mailconf['movetofolder'], FT_UID);
430 // look for a 'references' or an 'in-reply-to' header and try to match with a parent item we have locally.
431 $raw_refs = ((property_exists($meta, 'references')) ? str_replace("\t", '', $meta->references) : '');
432 if (!trim($raw_refs)) {
433 $raw_refs = ((property_exists($meta, 'in_reply_to')) ? str_replace("\t", '', $meta->in_reply_to) : '');
435 $raw_refs = trim($raw_refs); // Don't allow a blank reference in $refs_arr
438 $refs_arr = explode(' ', $raw_refs);
439 if (count($refs_arr)) {
440 for ($x = 0; $x < count($refs_arr); $x ++) {
441 $refs_arr[$x] = Email::msgid2iri(str_replace(['<', '>', ' '],['', '', ''], $refs_arr[$x]));
444 $condition = ['uri' => $refs_arr, 'uid' => $importer_uid];
445 $parent = Item::selectFirst(['parent-uri'], $condition);
446 if (DBA::isResult($parent)) {
447 $datarray['parent-uri'] = $parent['parent-uri']; // Set the parent as the top-level item
451 // Decoding the header
452 $subject = imap_mime_header_decode($meta->subject);
453 $datarray['title'] = "";
454 foreach ($subject as $subpart) {
455 if ($subpart->charset != "default") {
456 $datarray['title'] .= iconv($subpart->charset, 'UTF-8//IGNORE', $subpart->text);
458 $datarray['title'] .= $subpart->text;
461 $datarray['title'] = notags(trim($datarray['title']));
463 //$datarray['title'] = notags(trim($meta->subject));
464 $datarray['created'] = DateTimeFormat::utc($meta->date);
467 $reply = ((substr(strtolower($datarray['title']), 0, 3) == "re:") ||
468 (substr(strtolower($datarray['title']), 0, 3) == "re-") ||
471 // Remove Reply-signs in the subject
472 $datarray['title'] = self::RemoveReply($datarray['title']);
474 // If it seems to be a reply but a header couldn't be found take the last message with matching subject
475 if (empty($datarray['parent-uri']) && $reply) {
476 $condition = ['title' => $datarray['title'], 'uid' => importer_uid, 'network' => Protocol::MAIL];
477 $params = ['order' => ['created' => true]];
478 $parent = Item::selectFirst(['parent-uri'], $condition, $params);
479 if (DBA::isResult($parent)) {
480 $datarray['parent-uri'] = $parent['parent-uri'];
484 if (empty($datarray['parent-uri'])) {
485 $datarray['parent-uri'] = $datarray['uri'];
488 $r = Email::getMessage($mbox, $msg_uid, $reply);
490 logger("Mail: can't fetch msg ".$msg_uid." for ".$mailconf['user']);
493 $datarray['body'] = escape_tags($r['body']);
494 $datarray['body'] = BBCode::limitBodySize($datarray['body']);
496 logger("Mail: Importing ".$msg_uid." for ".$mailconf['user']);
498 /// @TODO Adding a gravatar for the original author would be cool
500 $from = imap_mime_header_decode($meta->from);
502 foreach ($from as $frompart) {
503 if ($frompart->charset != "default") {
504 $fromdecoded .= iconv($frompart->charset, 'UTF-8//IGNORE', $frompart->text);
506 $fromdecoded .= $frompart->text;
510 $fromarr = imap_rfc822_parse_adrlist($fromdecoded, $a->get_hostname());
512 $frommail = $fromarr[0]->mailbox."@".$fromarr[0]->host;
514 if (isset($fromarr[0]->personal)) {
515 $fromname = $fromarr[0]->personal;
517 $fromname = $frommail;
520 $datarray['author-name'] = $fromname;
521 $datarray['author-link'] = "mailto:".$frommail;
522 $datarray['author-avatar'] = $contact['photo'];
524 $datarray['owner-name'] = $contact['name'];
525 $datarray['owner-link'] = "mailto:".$contact['addr'];
526 $datarray['owner-avatar'] = $contact['photo'];
528 $datarray['uid'] = $importer_uid;
529 $datarray['contact-id'] = $contact['id'];
530 if ($datarray['parent-uri'] === $datarray['uri']) {
531 $datarray['private'] = 1;
533 if (($contact['network'] === Protocol::MAIL) && (!PConfig::get($importer_uid, 'system', 'allow_public_email_replies'))) {
534 $datarray['private'] = 1;
535 $datarray['allow_cid'] = '<' . $contact['id'] . '>';
538 $stored_item = Item::insert($datarray);
540 switch ($mailconf['action']) {
542 logger("Mail: Seen before ".$msg_uid." for ".$mailconf['user'].". Doing nothing.", LOGGER_DEBUG);
545 logger("Mail: Deleting ".$msg_uid." for ".$mailconf['user']);
546 imap_delete($mbox, $msg_uid, FT_UID);
549 logger("Mail: Mark as seen ".$msg_uid." for ".$mailconf['user']);
550 imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
553 logger("Mail: Moving ".$msg_uid." to ".$mailconf['movetofolder']." for ".$mailconf['user']);
554 imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
555 if ($mailconf['movetofolder'] != "") {
556 imap_mail_move($mbox, $msg_uid, $mailconf['movetofolder'], FT_UID);
563 logger("Mail: no mails for ".$mailconf['user']);
566 logger("Mail: closing connection for ".$mailconf['user']);
572 logger('received xml : ' . $xml, LOGGER_DATA);
573 if (!strstr($xml, '<')) {
574 logger('post_handshake: response from ' . $url . ' did not contain XML.');
576 $fields = ['last-update' => DateTimeFormat::utcNow(), 'failure_update' => DateTimeFormat::utcNow()];
577 self::updateContact($contact, $fields);
578 Contact::markForArchival($contact);
583 logger("Consume feed of contact ".$contact['id']);
585 consume_feed($xml, $importer, $contact, $hub);
587 // do it a second time for DFRN so that any children find their parents.
588 if ($contact['network'] === Protocol::DFRN) {
589 consume_feed($xml, $importer, $contact, $hub);
592 $hubmode = 'subscribe';
593 if ($contact['network'] === Protocol::DFRN || $contact['blocked']) {
594 $hubmode = 'unsubscribe';
597 if (($contact['network'] === Protocol::OSTATUS || $contact['network'] == Protocol::FEED) && (! $contact['hub-verify'])) {
605 logger("Contact ".$contact['id']." returned hub: ".$hub." Network: ".$contact['network']." Relation: ".$contact['rel']." Update: ".$hub_update);
607 if (strlen($hub) && $hub_update && (($contact['rel'] != Contact::FOLLOWER) || $contact['network'] == Protocol::FEED)) {
608 logger('hub ' . $hubmode . ' : ' . $hub . ' contact name : ' . $contact['name'] . ' local user : ' . $importer['name']);
609 $hubs = explode(',', $hub);
612 foreach ($hubs as $h) {
619 subscribe_to_hub($h, $importer, $contact, $hubmode);
624 $updated = DateTimeFormat::utcNow();
626 self::updateContact($contact, ['last-update' => $updated, 'success_update' => $updated]);
627 DBA::update('gcontact', ['last_contact' => $updated], ['nurl' => $contact['nurl']]);
628 Contact::unmarkForArchival($contact);
629 } elseif (in_array($contact["network"], [Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS, Protocol::FEED])) {
630 $updated = DateTimeFormat::utcNow();
632 self::updateContact($contact, ['last-update' => $updated, 'failure_update' => $updated]);
633 DBA::update('gcontact', ['last_failure' => $updated], ['nurl' => $contact['nurl']]);
634 Contact::markForArchival($contact);
636 $updated = DateTimeFormat::utcNow();
637 DBA::update('contact', ['last-update' => $updated], ['id' => $contact['id']]);
643 private static function RemoveReply($subject)
645 while (in_array(strtolower(substr($subject, 0, 3)), ["re:", "aw:"])) {
646 $subject = trim(substr($subject, 4));
653 * @brief Updates a personal contact entry and the public contact entry
655 * @param array $contact The personal contact entry
656 * @param array $fields The fields that are updated
658 private static function updateContact(array $contact, array $fields)
660 DBA::update('contact', $fields, ['id' => $contact['id']]);
661 DBA::update('contact', $fields, ['uid' => 0, 'nurl' => $contact['nurl']]);