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\Database\DBA;
12 use Friendica\Model\Contact;
13 use Friendica\Model\Item;
14 use Friendica\Protocol\Email;
15 use Friendica\Protocol\PortableContact;
16 use Friendica\Util\DateTimeFormat;
17 use Friendica\Util\Network;
18 use Friendica\Util\XML;
20 require_once 'include/dba.php';
24 public static function execute($contact_id = 0, $command = '')
26 $a = BaseObject::getApp();
28 require_once 'include/items.php';
38 if ($command == "force") {
47 $d = DateTimeFormat::utcNow();
49 $contact = DBA::selectFirst('contact', [], ['id' => $contact_id]);
50 if (!DBA::isResult($contact)) {
51 logger('Contact not found or cannot be used.');
55 $importer_uid = $contact['uid'];
57 // load current friends if possible.
58 if (($contact['poco'] != "") && ($contact['success_update'] > $contact['failure_update'])) {
59 $r = q("SELECT count(*) AS total FROM glink
60 WHERE `cid` = %d AND updated > UTC_TIMESTAMP() - INTERVAL 1 DAY",
61 intval($contact['id'])
63 if (DBA::isResult($r)) {
64 if (!$r[0]['total']) {
65 PortableContact::loadWorker($contact['id'], $importer_uid, 0, $contact['poco']);
70 // Diaspora users, archived users and followers are only checked if they still exist.
71 if ($contact['archive'] || ($contact["network"] == NETWORK_DIASPORA) || ($contact["rel"] == Contact::FOLLOWER)) {
72 $last_updated = PortableContact::lastUpdated($contact["url"], true);
73 $updated = DateTimeFormat::utcNow();
76 logger('Contact '.$contact['id'].' had last update on '.$last_updated, LOGGER_DEBUG);
78 // The last public item can be older than the last item we got
79 if ($last_updated < $contact['last-item']) {
80 $last_updated = $contact['last-item'];
83 $fields = ['last-item' => DateTimeFormat::utc($last_updated), 'last-update' => $updated, 'success_update' => $updated];
84 self::updateContact($contact, $fields);
85 Contact::unmarkForArchival($contact);
87 self::updateContact($contact, ['last-update' => $updated, 'failure_update' => $updated]);
88 Contact::markForArchival($contact);
89 logger('Contact '.$contact['id'].' is marked for archival', LOGGER_DEBUG);
97 $t = $contact['last-update'];
99 if ($contact['subhub']) {
100 $poll_interval = Config::get('system', 'pushpoll_frequency', 3);
101 $contact['priority'] = intval($poll_interval);
104 if (DateTimeFormat::utcNow() > DateTimeFormat::utc($t . " + 1 day")) {
111 $last_update = (($contact['last-update'] <= NULL_DATE)
112 ? DateTimeFormat::utc('now - 7 days', DateTimeFormat::ATOM)
113 : DateTimeFormat::utc($contact['last-update'], DateTimeFormat::ATOM)
116 // Update the contact entry
117 if (($contact['network'] === NETWORK_OSTATUS) || ($contact['network'] === NETWORK_DIASPORA) || ($contact['network'] === NETWORK_DFRN)) {
118 if (!PortableContact::reachable($contact['url'])) {
119 logger("Skipping probably dead contact ".$contact['url']);
121 // set the last-update so we don't keep polling
122 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
126 if (!Contact::updateFromProbe($contact["id"])) {
127 Contact::markForArchival($contact);
128 logger('Contact is marked dead');
130 // set the last-update so we don't keep polling
131 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
134 Contact::unmarkForArchival($contact);
138 if ($importer_uid == 0) {
139 logger('Ignore public contacts');
141 // set the last-update so we don't keep polling
142 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
146 $r = q("SELECT `contact`.*, `user`.`page-flags` FROM `contact` INNER JOIN `user` on `contact`.`uid` = `user`.`uid` WHERE `user`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
147 intval($importer_uid)
150 if (!DBA::isResult($r)) {
151 logger('No self contact for user '.$importer_uid);
153 // set the last-update so we don't keep polling
154 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
161 logger("poll: ({$contact['network']}-{$contact['id']}) IMPORTER: {$importer['name']}, CONTACT: {$contact['name']}");
163 if ($contact['network'] === NETWORK_DFRN) {
164 $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
165 if (intval($contact['duplex']) && $contact['dfrn-id']) {
166 $idtosend = '0:' . $orig_id;
168 if (intval($contact['duplex']) && $contact['issued-id']) {
169 $idtosend = '1:' . $orig_id;
172 // they have permission to write to us. We already filtered this in the contact query.
175 // But this may be our first communication, so set the writable flag if it isn't set already.
177 if (!intval($contact['writable'])) {
178 $fields = ['writable' => true];
179 DBA::update('contact', $fields, ['id' => $contact['id']]);
182 $url = $contact['poll'] . '?dfrn_id=' . $idtosend
183 . '&dfrn_version=' . DFRN_PROTOCOL_VERSION
184 . '&type=data&last_update=' . $last_update
187 $ret = Network::curl($url);
189 if (!empty($ret["errno"]) && ($ret['errno'] == CURLE_OPERATION_TIMEDOUT)) {
190 // set the last-update so we don't keep polling
191 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
192 Contact::markForArchival($contact);
196 $handshake_xml = $ret['body'];
198 $html_code = $a->get_curl_code();
200 logger('handshake with url ' . $url . ' returns xml: ' . $handshake_xml, LOGGER_DATA);
202 if (!strlen($handshake_xml) || ($html_code >= 400) || !$html_code) {
203 logger("$url appears to be dead - marking for death ");
205 // dead connection - might be a transient event, or this might
206 // mean the software was uninstalled or the domain expired.
207 // Will keep trying for one month.
209 Contact::markForArchival($contact);
211 // set the last-update so we don't keep polling
212 $fields = ['last-update' => DateTimeFormat::utcNow(), 'failure_update' => DateTimeFormat::utcNow()];
213 self::updateContact($contact, $fields);
217 if (!strstr($handshake_xml, '<')) {
218 logger('response from ' . $url . ' did not contain XML.');
220 Contact::markForArchival($contact);
222 $fields = ['last-update' => DateTimeFormat::utcNow(), 'failure_update' => DateTimeFormat::utcNow()];
223 self::updateContact($contact, $fields);
228 $res = XML::parseString($handshake_xml);
230 if (intval($res->status) == 1) {
231 logger("$url replied status 1 - marking for death ");
233 // we may not be friends anymore. Will keep trying for one month.
234 // set the last-update so we don't keep polling
235 $fields = ['last-update' => DateTimeFormat::utcNow(), 'failure_update' => DateTimeFormat::utcNow()];
236 self::updateContact($contact, $fields);
238 Contact::markForArchival($contact);
239 } elseif ($contact['term-date'] > NULL_DATE) {
240 logger("$url back from the dead - removing mark for death");
241 Contact::unmarkForArchival($contact);
244 if ((intval($res->status) != 0) || !strlen($res->challenge) || !strlen($res->dfrn_id)) {
245 // set the last-update so we don't keep polling
246 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
250 if (((float)$res->dfrn_version > 2.21) && ($contact['poco'] == '')) {
251 $fields = ['poco' => str_replace('/profile/', '/poco/', $contact['url'])];
252 DBA::update('contact', $fields, ['id' => $contact['id']]);
257 $sent_dfrn_id = hex2bin((string) $res->dfrn_id);
258 $challenge = hex2bin((string) $res->challenge);
262 if ($contact['duplex'] && strlen($contact['prvkey'])) {
263 openssl_private_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['prvkey']);
264 openssl_private_decrypt($challenge, $postvars['challenge'], $contact['prvkey']);
266 openssl_public_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['pubkey']);
267 openssl_public_decrypt($challenge, $postvars['challenge'], $contact['pubkey']);
270 $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
272 if (strpos($final_dfrn_id, ':') == 1) {
273 $final_dfrn_id = substr($final_dfrn_id, 2);
276 if ($final_dfrn_id != $orig_id) {
277 // did not decode properly - cannot trust this site
278 logger('ID did not decode: ' . $contact['id'] . ' orig: ' . $orig_id . ' final: ' . $final_dfrn_id);
280 // set the last-update so we don't keep polling
281 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
282 Contact::markForArchival($contact);
286 $postvars['dfrn_id'] = $idtosend;
287 $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
288 $postvars['perm'] = 'rw';
290 $xml = Network::post($contact['poll'], $postvars);
292 } elseif (($contact['network'] === NETWORK_OSTATUS)
293 || ($contact['network'] === NETWORK_DIASPORA)
294 || ($contact['network'] === NETWORK_FEED)) {
296 // Upgrading DB fields from an older Friendica version
297 // Will only do this once per notify-enabled OStatus contact
298 // or if relationship changes
300 $stat_writeable = ((($contact['notify']) && ($contact['rel'] == Contact::FOLLOWER || $contact['rel'] == Contact::FRIEND)) ? 1 : 0);
302 // Contacts from OStatus are always writable
303 if ($contact['network'] === NETWORK_OSTATUS) {
307 if ($stat_writeable != $contact['writable']) {
308 $fields = ['writable' => $stat_writeable];
309 DBA::update('contact', $fields, ['id' => $contact['id']]);
312 // Are we allowed to import from this person?
314 if ($contact['rel'] == Contact::FOLLOWER || $contact['blocked']) {
315 // set the last-update so we don't keep polling
316 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
320 $cookiejar = tempnam(get_temppath(), 'cookiejar-onepoll-');
321 $ret = Network::curl($contact['poll'], false, $redirects, ['cookiejar' => $cookiejar]);
324 if (!empty($ret["errno"]) && ($ret['errno'] == CURLE_OPERATION_TIMEDOUT)) {
325 // set the last-update so we don't keep polling
326 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
327 Contact::markForArchival($contact);
333 } elseif ($contact['network'] === NETWORK_MAIL) {
334 logger("Mail: Fetching for ".$contact['addr'], LOGGER_DEBUG);
336 $mail_disabled = ((function_exists('imap_open') && (! Config::get('system', 'imap_disabled'))) ? 0 : 1);
337 if ($mail_disabled) {
338 // set the last-update so we don't keep polling
339 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
340 Contact::markForArchival($contact);
344 logger("Mail: Enabled", LOGGER_DEBUG);
347 $user = DBA::selectFirst('user', ['prvkey'], ['uid' => $importer_uid]);
349 $condition = ["`server` != '' AND `uid` = ?", $importer_uid];
350 $mailconf = DBA::selectFirst('mailacct', [], $condition);
351 if (DBA::isResult($user) && DBA::isResult($mailconf)) {
352 $mailbox = Email::constructMailboxName($mailconf);
354 openssl_private_decrypt(hex2bin($mailconf['pass']), $password, $user['prvkey']);
355 $mbox = Email::connect($mailbox, $mailconf['user'], $password);
357 logger("Mail: Connect to " . $mailconf['user']);
359 $fields = ['last_check' => DateTimeFormat::utcNow()];
360 DBA::update('mailacct', $fields, ['id' => $mailconf['id']]);
361 logger("Mail: Connected to " . $mailconf['user']);
363 logger("Mail: Connection error ".$mailconf['user']." ".print_r(imap_errors(), true));
368 $msgs = Email::poll($mbox, $contact['addr']);
371 logger("Mail: Parsing ".count($msgs)." mails from ".$contact['addr']." for ".$mailconf['user'], LOGGER_DEBUG);
373 $metas = Email::messageMeta($mbox, implode(',', $msgs));
375 if (count($metas) != count($msgs)) {
376 logger("for " . $mailconf['user'] . " there are ". count($msgs) . " messages but received " . count($metas) . " metas", LOGGER_DEBUG);
378 $msgs = array_combine($msgs, $metas);
380 foreach ($msgs as $msg_uid => $meta) {
381 logger("Mail: Parsing mail ".$msg_uid, LOGGER_DATA);
384 $datarray['verb'] = ACTIVITY_POST;
385 $datarray['object-type'] = ACTIVITY_OBJ_NOTE;
386 $datarray['network'] = NETWORK_MAIL;
387 // $meta = Email::messageMeta($mbox, $msg_uid);
389 $datarray['uri'] = Email::msgid2iri(trim($meta->message_id, '<>'));
391 // Have we seen it before?
392 $fields = ['deleted', 'id'];
393 $condition = ['uid' => $importer_uid, 'uri' => $datarray['uri']];
394 $item = Item::selectFirst($fields, $condition);
395 if (DBA::isResult($item)) {
396 logger("Mail: Seen before ".$msg_uid." for ".$mailconf['user']." UID: ".$importer_uid." URI: ".$datarray['uri'],LOGGER_DEBUG);
398 // Only delete when mails aren't automatically moved or deleted
399 if (($mailconf['action'] != 1) && ($mailconf['action'] != 3))
400 if ($meta->deleted && ! $item['deleted']) {
401 $fields = ['deleted' => true, 'changed' => DateTimeFormat::utcNow()];
402 Item::update($fields, ['id' => $item['id']]);
405 switch ($mailconf['action']) {
407 logger("Mail: Seen before ".$msg_uid." for ".$mailconf['user'].". Doing nothing.", LOGGER_DEBUG);
410 logger("Mail: Deleting ".$msg_uid." for ".$mailconf['user']);
411 imap_delete($mbox, $msg_uid, FT_UID);
414 logger("Mail: Mark as seen ".$msg_uid." for ".$mailconf['user']);
415 imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
418 logger("Mail: Moving ".$msg_uid." to ".$mailconf['movetofolder']." for ".$mailconf['user']);
419 imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
420 if ($mailconf['movetofolder'] != "") {
421 imap_mail_move($mbox, $msg_uid, $mailconf['movetofolder'], FT_UID);
429 // look for a 'references' or an 'in-reply-to' header and try to match with a parent item we have locally.
430 $raw_refs = ((property_exists($meta, 'references')) ? str_replace("\t", '', $meta->references) : '');
431 if (!trim($raw_refs)) {
432 $raw_refs = ((property_exists($meta, 'in_reply_to')) ? str_replace("\t", '', $meta->in_reply_to) : '');
434 $raw_refs = trim($raw_refs); // Don't allow a blank reference in $refs_arr
437 $refs_arr = explode(' ', $raw_refs);
438 if (count($refs_arr)) {
439 for ($x = 0; $x < count($refs_arr); $x ++) {
440 $refs_arr[$x] = Email::msgid2iri(str_replace(['<', '>', ' '],['', '', ''], $refs_arr[$x]));
443 $condition = ['uri' => $refs_arr, 'uid' => $importer_uid];
444 $parent = Item::selectFirst(['parent-uri'], $condition);
445 if (DBA::isResult($parent)) {
446 $datarray['parent-uri'] = $parent['parent-uri']; // Set the parent as the top-level item
450 // Decoding the header
451 $subject = imap_mime_header_decode($meta->subject);
452 $datarray['title'] = "";
453 foreach ($subject as $subpart) {
454 if ($subpart->charset != "default") {
455 $datarray['title'] .= iconv($subpart->charset, 'UTF-8//IGNORE', $subpart->text);
457 $datarray['title'] .= $subpart->text;
460 $datarray['title'] = notags(trim($datarray['title']));
462 //$datarray['title'] = notags(trim($meta->subject));
463 $datarray['created'] = DateTimeFormat::utc($meta->date);
466 $reply = ((substr(strtolower($datarray['title']), 0, 3) == "re:") ||
467 (substr(strtolower($datarray['title']), 0, 3) == "re-") ||
470 // Remove Reply-signs in the subject
471 $datarray['title'] = self::RemoveReply($datarray['title']);
473 // If it seems to be a reply but a header couldn't be found take the last message with matching subject
474 if (empty($datarray['parent-uri']) && $reply) {
475 $condition = ['title' => $datarray['title'], 'uid' => importer_uid, 'network' => NETWORK_MAIL];
476 $params = ['order' => ['created' => true]];
477 $parent = Item::selectFirst(['parent-uri'], $condition, $params);
478 if (DBA::isResult($parent)) {
479 $datarray['parent-uri'] = $parent['parent-uri'];
483 if (empty($datarray['parent-uri'])) {
484 $datarray['parent-uri'] = $datarray['uri'];
487 $r = Email::getMessage($mbox, $msg_uid, $reply);
489 logger("Mail: can't fetch msg ".$msg_uid." for ".$mailconf['user']);
492 $datarray['body'] = escape_tags($r['body']);
493 $datarray['body'] = BBCode::limitBodySize($datarray['body']);
495 logger("Mail: Importing ".$msg_uid." for ".$mailconf['user']);
497 /// @TODO Adding a gravatar for the original author would be cool
499 $from = imap_mime_header_decode($meta->from);
501 foreach ($from as $frompart) {
502 if ($frompart->charset != "default") {
503 $fromdecoded .= iconv($frompart->charset, 'UTF-8//IGNORE', $frompart->text);
505 $fromdecoded .= $frompart->text;
509 $fromarr = imap_rfc822_parse_adrlist($fromdecoded, $a->get_hostname());
511 $frommail = $fromarr[0]->mailbox."@".$fromarr[0]->host;
513 if (isset($fromarr[0]->personal)) {
514 $fromname = $fromarr[0]->personal;
516 $fromname = $frommail;
519 $datarray['author-name'] = $fromname;
520 $datarray['author-link'] = "mailto:".$frommail;
521 $datarray['author-avatar'] = $contact['photo'];
523 $datarray['owner-name'] = $contact['name'];
524 $datarray['owner-link'] = "mailto:".$contact['addr'];
525 $datarray['owner-avatar'] = $contact['photo'];
527 $datarray['uid'] = $importer_uid;
528 $datarray['contact-id'] = $contact['id'];
529 if ($datarray['parent-uri'] === $datarray['uri']) {
530 $datarray['private'] = 1;
532 if (($contact['network'] === NETWORK_MAIL) && (!PConfig::get($importer_uid, 'system', 'allow_public_email_replies'))) {
533 $datarray['private'] = 1;
534 $datarray['allow_cid'] = '<' . $contact['id'] . '>';
537 $stored_item = Item::insert($datarray);
539 switch ($mailconf['action']) {
541 logger("Mail: Seen before ".$msg_uid." for ".$mailconf['user'].". Doing nothing.", LOGGER_DEBUG);
544 logger("Mail: Deleting ".$msg_uid." for ".$mailconf['user']);
545 imap_delete($mbox, $msg_uid, FT_UID);
548 logger("Mail: Mark as seen ".$msg_uid." for ".$mailconf['user']);
549 imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
552 logger("Mail: Moving ".$msg_uid." to ".$mailconf['movetofolder']." for ".$mailconf['user']);
553 imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
554 if ($mailconf['movetofolder'] != "") {
555 imap_mail_move($mbox, $msg_uid, $mailconf['movetofolder'], FT_UID);
562 logger("Mail: no mails for ".$mailconf['user']);
565 logger("Mail: closing connection for ".$mailconf['user']);
571 logger('received xml : ' . $xml, LOGGER_DATA);
572 if (!strstr($xml, '<')) {
573 logger('post_handshake: response from ' . $url . ' did not contain XML.');
575 $fields = ['last-update' => DateTimeFormat::utcNow(), 'failure_update' => DateTimeFormat::utcNow()];
576 self::updateContact($contact, $fields);
577 Contact::markForArchival($contact);
582 logger("Consume feed of contact ".$contact['id']);
584 consume_feed($xml, $importer, $contact, $hub);
586 // do it a second time for DFRN so that any children find their parents.
587 if ($contact['network'] === NETWORK_DFRN) {
588 consume_feed($xml, $importer, $contact, $hub);
591 $hubmode = 'subscribe';
592 if ($contact['network'] === NETWORK_DFRN || $contact['blocked']) {
593 $hubmode = 'unsubscribe';
596 if (($contact['network'] === NETWORK_OSTATUS || $contact['network'] == NETWORK_FEED) && (! $contact['hub-verify'])) {
604 logger("Contact ".$contact['id']." returned hub: ".$hub." Network: ".$contact['network']." Relation: ".$contact['rel']." Update: ".$hub_update);
606 if (strlen($hub) && $hub_update && (($contact['rel'] != Contact::FOLLOWER) || $contact['network'] == NETWORK_FEED)) {
607 logger('hub ' . $hubmode . ' : ' . $hub . ' contact name : ' . $contact['name'] . ' local user : ' . $importer['name']);
608 $hubs = explode(',', $hub);
610 foreach ($hubs as $h) {
615 subscribe_to_hub($h, $importer, $contact, $hubmode);
620 $updated = DateTimeFormat::utcNow();
622 self::updateContact($contact, ['last-update' => $updated, 'success_update' => $updated]);
623 DBA::update('gcontact', ['last_contact' => $updated], ['nurl' => $contact['nurl']]);
624 Contact::unmarkForArchival($contact);
625 } elseif (in_array($contact["network"], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, NETWORK_FEED])) {
626 $updated = DateTimeFormat::utcNow();
628 self::updateContact($contact, ['last-update' => $updated, 'failure_update' => $updated]);
629 DBA::update('gcontact', ['last_failure' => $updated], ['nurl' => $contact['nurl']]);
630 Contact::markForArchival($contact);
632 $updated = DateTimeFormat::utcNow();
633 DBA::update('contact', ['last-update' => $updated], ['id' => $contact['id']]);
639 private static function RemoveReply($subject)
641 while (in_array(strtolower(substr($subject, 0, 3)), ["re:", "aw:"])) {
642 $subject = trim(substr($subject, 4));
649 * @brief Updates a personal contact entry and the public contact entry
651 * @param array $contact The personal contact entry
652 * @param array $fields The fields that are updated
654 private static function updateContact($contact, $fields)
656 DBA::update('contact', $fields, ['id' => $contact['id']]);
657 DBA::update('contact', $fields, ['uid' => 0, 'nurl' => $contact['nurl']]);