3 * @file src/Worker/OnePoll.php
5 namespace Friendica\Worker;
7 use Friendica\Content\Text\BBCode;
8 use Friendica\Core\Config;
9 use Friendica\Core\PConfig;
10 use Friendica\Database\DBM;
11 use Friendica\Model\Contact;
12 use Friendica\Model\Item;
13 use Friendica\Protocol\Email;
14 use Friendica\Protocol\PortableContact;
15 use Friendica\Util\DateTimeFormat;
16 use Friendica\Util\Network;
17 use Friendica\Util\XML;
20 require_once 'include/dba.php';
24 public static function execute($contact_id = 0, $command = '') {
27 require_once 'include/items.php';
37 if ($command == "force") {
46 $d = DateTimeFormat::utcNow();
48 $contact = dba::selectFirst('contact', [], ['id' => $contact_id]);
49 if (!DBM::is_result($contact)) {
50 logger('Contact not found or cannot be used.');
54 $importer_uid = $contact['uid'];
56 // load current friends if possible.
57 if (($contact['poco'] != "") && ($contact['success_update'] > $contact['failure_update'])) {
58 $r = q("SELECT count(*) AS total FROM glink
59 WHERE `cid` = %d AND updated > UTC_TIMESTAMP() - INTERVAL 1 DAY",
60 intval($contact['id'])
62 if (DBM::is_result($r)) {
63 if (!$r[0]['total']) {
64 PortableContact::loadWorker($contact['id'], $importer_uid, 0, $contact['poco']);
69 // Diaspora users, archived users and followers are only checked if they still exist.
70 if ($contact['archive'] || ($contact["network"] == NETWORK_DIASPORA) || ($contact["rel"] == CONTACT_IS_FOLLOWER)) {
71 $last_updated = PortableContact::lastUpdated($contact["url"], true);
72 $updated = DateTimeFormat::utcNow();
74 logger('Contact '.$contact['id'].' had last update on '.$last_updated, LOGGER_DEBUG);
76 // The last public item can be older than the last item we got
77 if ($last_updated < $contact['last-item']) {
78 $last_updated = $contact['last-item'];
81 $fields = ['last-item' => DateTimeFormat::utc($last_updated), 'last-update' => $updated, 'success_update' => $updated];
82 self::updateContact($contact, $fields);
83 Contact::unmarkForArchival($contact);
85 self::updateContact($contact, ['last-update' => $updated, 'failure_update' => $updated]);
86 Contact::markForArchival($contact);
87 logger('Contact '.$contact['id'].' is marked for archival', LOGGER_DEBUG);
94 $t = $contact['last-update'];
96 if ($contact['subhub']) {
97 $poll_interval = Config::get('system', 'pushpoll_frequency', 3);
98 $contact['priority'] = intval($poll_interval);
101 if (DateTimeFormat::utcNow() > DateTimeFormat::utc($t . " + 1 day")) {
108 $last_update = (($contact['last-update'] <= NULL_DATE)
109 ? DateTimeFormat::utc('now - 7 days', DateTimeFormat::ATOM)
110 : DateTimeFormat::utc($contact['last-update'], DateTimeFormat::ATOM)
113 // Update the contact entry
114 if (($contact['network'] === NETWORK_OSTATUS) || ($contact['network'] === NETWORK_DIASPORA) || ($contact['network'] === NETWORK_DFRN)) {
115 if (!PortableContact::reachable($contact['url'])) {
116 logger("Skipping probably dead contact ".$contact['url']);
118 // set the last-update so we don't keep polling
119 dba::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
123 if (!Contact::updateFromProbe($contact["id"])) {
124 Contact::markForArchival($contact);
125 logger('Contact is marked dead');
127 // set the last-update so we don't keep polling
128 dba::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
131 Contact::unmarkForArchival($contact);
135 if ($importer_uid == 0) {
136 logger('Ignore public contacts');
138 // set the last-update so we don't keep polling
139 dba::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
143 $r = q("SELECT `contact`.*, `user`.`page-flags` FROM `contact` INNER JOIN `user` on `contact`.`uid` = `user`.`uid` WHERE `user`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
144 intval($importer_uid)
147 if (!DBM::is_result($r)) {
148 logger('No self contact for user '.$importer_uid);
150 // set the last-update so we don't keep polling
151 dba::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
158 logger("poll: ({$contact['network']}-{$contact['id']}) IMPORTER: {$importer['name']}, CONTACT: {$contact['name']}");
160 if ($contact['network'] === NETWORK_DFRN) {
161 $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
162 if (intval($contact['duplex']) && $contact['dfrn-id']) {
163 $idtosend = '0:' . $orig_id;
165 if (intval($contact['duplex']) && $contact['issued-id']) {
166 $idtosend = '1:' . $orig_id;
169 // they have permission to write to us. We already filtered this in the contact query.
172 // But this may be our first communication, so set the writable flag if it isn't set already.
174 if (!intval($contact['writable'])) {
175 $fields = ['writable' => true];
176 dba::update('contact', $fields, ['id' => $contact['id']]);
179 $url = $contact['poll'] . '?dfrn_id=' . $idtosend
180 . '&dfrn_version=' . DFRN_PROTOCOL_VERSION
181 . '&type=data&last_update=' . $last_update
184 $ret = Network::curl($url);
186 if ($ret['errno'] == CURLE_OPERATION_TIMEDOUT) {
187 // set the last-update so we don't keep polling
188 dba::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
189 Contact::markForArchival($contact);
193 $handshake_xml = $ret['body'];
195 $html_code = $a->get_curl_code();
197 logger('handshake with url ' . $url . ' returns xml: ' . $handshake_xml, LOGGER_DATA);
200 if (!strlen($handshake_xml) || ($html_code >= 400) || !$html_code) {
201 logger("$url appears to be dead - marking for death ");
203 // dead connection - might be a transient event, or this might
204 // mean the software was uninstalled or the domain expired.
205 // Will keep trying for one month.
207 Contact::markForArchival($contact);
209 // set the last-update so we don't keep polling
210 $fields = ['last-update' => DateTimeFormat::utcNow(), 'failure_update' => DateTimeFormat::utcNow()];
211 self::updateContact($contact, $fields);
215 if (!strstr($handshake_xml, '<')) {
216 logger('response from ' . $url . ' did not contain XML.');
218 Contact::markForArchival($contact);
220 $fields = ['last-update' => DateTimeFormat::utcNow(), 'failure_update' => DateTimeFormat::utcNow()];
221 self::updateContact($contact, $fields);
226 $res = XML::parseString($handshake_xml);
228 if (intval($res->status) == 1) {
229 logger("$url replied status 1 - marking for death ");
231 // we may not be friends anymore. Will keep trying for one month.
232 // set the last-update so we don't keep polling
233 $fields = ['last-update' => DateTimeFormat::utcNow(), 'failure_update' => DateTimeFormat::utcNow()];
234 self::updateContact($contact, $fields);
236 Contact::markForArchival($contact);
237 } elseif ($contact['term-date'] > NULL_DATE) {
238 logger("$url back from the dead - removing mark for death");
239 Contact::unmarkForArchival($contact);
242 if ((intval($res->status) != 0) || !strlen($res->challenge) || !strlen($res->dfrn_id)) {
243 // set the last-update so we don't keep polling
244 dba::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
248 if (((float)$res->dfrn_version > 2.21) && ($contact['poco'] == '')) {
249 $fields = ['poco' => str_replace('/profile/', '/poco/', $contact['url'])];
250 dba::update('contact', $fields, ['id' => $contact['id']]);
255 $sent_dfrn_id = hex2bin((string) $res->dfrn_id);
256 $challenge = hex2bin((string) $res->challenge);
260 if ($contact['duplex'] && strlen($contact['prvkey'])) {
261 openssl_private_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['prvkey']);
262 openssl_private_decrypt($challenge, $postvars['challenge'], $contact['prvkey']);
264 openssl_public_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['pubkey']);
265 openssl_public_decrypt($challenge, $postvars['challenge'], $contact['pubkey']);
268 $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
270 if (strpos($final_dfrn_id, ':') == 1) {
271 $final_dfrn_id = substr($final_dfrn_id, 2);
274 if ($final_dfrn_id != $orig_id) {
275 // did not decode properly - cannot trust this site
276 logger('ID did not decode: ' . $contact['id'] . ' orig: ' . $orig_id . ' final: ' . $final_dfrn_id);
278 // set the last-update so we don't keep polling
279 dba::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
280 Contact::markForArchival($contact);
284 $postvars['dfrn_id'] = $idtosend;
285 $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
286 $postvars['perm'] = 'rw';
288 $xml = Network::post($contact['poll'], $postvars);
290 } elseif (($contact['network'] === NETWORK_OSTATUS)
291 || ($contact['network'] === NETWORK_DIASPORA)
292 || ($contact['network'] === NETWORK_FEED)) {
294 // Upgrading DB fields from an older Friendica version
295 // Will only do this once per notify-enabled OStatus contact
296 // or if relationship changes
298 $stat_writeable = ((($contact['notify']) && ($contact['rel'] == CONTACT_IS_FOLLOWER || $contact['rel'] == CONTACT_IS_FRIEND)) ? 1 : 0);
300 // Contacts from OStatus are always writable
301 if ($contact['network'] === NETWORK_OSTATUS) {
305 if ($stat_writeable != $contact['writable']) {
306 $fields = ['writable' => $stat_writeable];
307 dba::update('contact', $fields, ['id' => $contact['id']]);
310 // Are we allowed to import from this person?
312 if ($contact['rel'] == CONTACT_IS_FOLLOWER || $contact['blocked']) {
313 // set the last-update so we don't keep polling
314 dba::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
318 $cookiejar = tempnam(get_temppath(), 'cookiejar-onepoll-');
319 $ret = Network::curl($contact['poll'], false, $redirects, ['cookiejar' => $cookiejar]);
322 if ($ret['errno'] == CURLE_OPERATION_TIMEDOUT) {
323 // set the last-update so we don't keep polling
324 dba::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
325 Contact::markForArchival($contact);
331 } elseif ($contact['network'] === NETWORK_MAIL) {
333 logger("Mail: Fetching for ".$contact['addr'], LOGGER_DEBUG);
335 $mail_disabled = ((function_exists('imap_open') && (! Config::get('system', 'imap_disabled'))) ? 0 : 1);
336 if ($mail_disabled) {
337 // set the last-update so we don't keep polling
338 dba::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
339 Contact::markForArchival($contact);
343 logger("Mail: Enabled", LOGGER_DEBUG);
346 $user = dba::selectFirst('user', ['prvkey'], ['uid' => $importer_uid]);
348 $condition = ["`server` != '' AND `uid` = ?", $importer_uid];
349 $mailconf = dba::selectFirst('mailacct', [], $condition);
350 if (DBM::is_result($user) && DBM::is_result($mailconf)) {
351 $mailbox = Email::constructMailboxName($mailconf);
353 openssl_private_decrypt(hex2bin($mailconf['pass']), $password, $user['prvkey']);
354 $mbox = Email::connect($mailbox, $mailconf['user'], $password);
356 logger("Mail: Connect to " . $mailconf['user']);
358 $fields = ['last_check' => DateTimeFormat::utcNow()];
359 dba::update('mailacct', $fields, ['id' => $mailconf['id']]);
360 logger("Mail: Connected to " . $mailconf['user']);
362 logger("Mail: Connection error ".$mailconf['user']." ".print_r(imap_errors(), true));
367 $msgs = Email::poll($mbox, $contact['addr']);
370 logger("Mail: Parsing ".count($msgs)." mails from ".$contact['addr']." for ".$mailconf['user'], LOGGER_DEBUG);
372 $metas = Email::messageMeta($mbox, implode(',', $msgs));
373 if (count($metas) != count($msgs)) {
374 logger("for " . $mailconf['user'] . " there are ". count($msgs) . " messages but received " . count($metas) . " metas", LOGGER_DEBUG);
376 $msgs = array_combine($msgs, $metas);
378 foreach ($msgs as $msg_uid => $meta) {
379 logger("Mail: Parsing mail ".$msg_uid, LOGGER_DATA);
382 $datarray['verb'] = ACTIVITY_POST;
383 $datarray['object-type'] = ACTIVITY_OBJ_NOTE;
384 $datarray['network'] = NETWORK_MAIL;
385 // $meta = Email::messageMeta($mbox, $msg_uid);
387 $datarray['uri'] = Email::msgid2iri(trim($meta->message_id, '<>'));
389 // Have we seen it before?
390 $fields = ['deleted', 'id'];
391 $condition = ['uid' => $importer_uid, 'uri' => $datarray['uri']];
392 $item = Item::selectFirst($fields, $condition);
393 if (DBM::is_result($item)) {
394 logger("Mail: Seen before ".$msg_uid." for ".$mailconf['user']." UID: ".$importer_uid." URI: ".$datarray['uri'],LOGGER_DEBUG);
396 // Only delete when mails aren't automatically moved or deleted
397 if (($mailconf['action'] != 1) && ($mailconf['action'] != 3))
398 if ($meta->deleted && ! $item['deleted']) {
399 $fields = ['deleted' => true, 'changed' => DateTimeFormat::utcNow()];
400 Item::update($fields, ['id' => $item['id']]);
403 switch ($mailconf['action']) {
405 logger("Mail: Seen before ".$msg_uid." for ".$mailconf['user'].". Doing nothing.", LOGGER_DEBUG);
408 logger("Mail: Deleting ".$msg_uid." for ".$mailconf['user']);
409 imap_delete($mbox, $msg_uid, FT_UID);
412 logger("Mail: Mark as seen ".$msg_uid." for ".$mailconf['user']);
413 imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
416 logger("Mail: Moving ".$msg_uid." to ".$mailconf['movetofolder']." for ".$mailconf['user']);
417 imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
418 if ($mailconf['movetofolder'] != "") {
419 imap_mail_move($mbox, $msg_uid, $mailconf['movetofolder'], FT_UID);
427 // look for a 'references' or an 'in-reply-to' header and try to match with a parent item we have locally.
428 $raw_refs = ((property_exists($meta, 'references')) ? str_replace("\t", '', $meta->references) : '');
429 if (!trim($raw_refs)) {
430 $raw_refs = ((property_exists($meta, 'in_reply_to')) ? str_replace("\t", '', $meta->in_reply_to) : '');
432 $raw_refs = trim($raw_refs); // Don't allow a blank reference in $refs_arr
435 $refs_arr = explode(' ', $raw_refs);
436 if (count($refs_arr)) {
437 for ($x = 0; $x < count($refs_arr); $x ++) {
438 // $refs_arr[$x] = "'" . Email::msgid2iri(str_replace(['<', '>', ' '],['', '', ''],dbesc($refs_arr[$x]))) . "'";
439 $refs_arr[$x] = Email::msgid2iri(str_replace(['<', '>', ' '],['', '', ''], $refs_arr[$x]));
442 $condition = ['uri' => $refs_arr, 'uid' => $importer_uid];
443 $parent = Item::selectFirst(['parent-uri'], $condition);
444 if (DBM::is_result($parent)) {
445 logger('Parent found with matching uri. ' . json_encode($refs_arr), LOGGER_DEBUG);
446 $datarray['parent-uri'] = $parent['parent-uri']; // Set the parent as the top-level item
448 logger('No parent found with matching uri. ' . json_encode($refs_arr), LOGGER_DEBUG);
452 // Decoding the header
453 $subject = imap_mime_header_decode($meta->subject);
454 $datarray['title'] = "";
455 foreach ($subject as $subpart) {
456 if ($subpart->charset != "default") {
457 $datarray['title'] .= iconv($subpart->charset, 'UTF-8//IGNORE', $subpart->text);
459 $datarray['title'] .= $subpart->text;
462 $datarray['title'] = notags(trim($datarray['title']));
464 //$datarray['title'] = notags(trim($meta->subject));
465 $datarray['created'] = DateTimeFormat::utc($meta->date);
468 $reply = ((substr(strtolower($datarray['title']), 0, 3) == "re:") ||
469 (substr(strtolower($datarray['title']), 0, 3) == "re-") ||
472 // Remove Reply-signs in the subject
473 $datarray['title'] = self::RemoveReply($datarray['title']);
475 // If it seems to be a reply but a header couldn't be found take the last message with matching subject
476 if (empty($datarray['parent-uri']) && $reply) {
477 $condition = ['title' => $datarray['title'], 'uid' => importer_uid, 'network' => NETWORK_MAIL];
478 $params = ['order' => ['created' => true]];
479 $parent = Item::selectFirst(['parent-uri'], $condition, $params);
480 if (DBM::is_result($parent)) {
481 logger('Parent found with matching title. ' . $datarray['title'], LOGGER_DEBUG);
482 $datarray['parent-uri'] = $parent['parent-uri'];
484 logger('No parent found with matching title. ' . $datarray['title'], LOGGER_DEBUG);
488 if (empty($datarray['parent-uri'])) {
489 $datarray['parent-uri'] = $datarray['uri'];
492 $r = Email::getMessage($mbox, $msg_uid, $reply);
494 logger("Mail: can't fetch msg ".$msg_uid." for ".$mailconf['user']);
497 $datarray['body'] = escape_tags($r['body']);
498 $datarray['body'] = BBCode::limitBodySize($datarray['body']);
500 logger("Mail: Importing ".$msg_uid." for ".$mailconf['user']);
502 /// @TODO Adding a gravatar for the original author would be cool
504 $from = imap_mime_header_decode($meta->from);
506 foreach ($from as $frompart) {
507 if ($frompart->charset != "default") {
508 $fromdecoded .= iconv($frompart->charset, 'UTF-8//IGNORE', $frompart->text);
510 $fromdecoded .= $frompart->text;
514 $fromarr = imap_rfc822_parse_adrlist($fromdecoded, $a->get_hostname());
516 $frommail = $fromarr[0]->mailbox."@".$fromarr[0]->host;
518 if (isset($fromarr[0]->personal)) {
519 $fromname = $fromarr[0]->personal;
521 $fromname = $frommail;
524 $datarray['author-name'] = $fromname;
525 $datarray['author-link'] = "mailto:".$frommail;
526 $datarray['author-avatar'] = $contact['photo'];
528 $datarray['owner-name'] = $contact['name'];
529 $datarray['owner-link'] = "mailto:".$contact['addr'];
530 $datarray['owner-avatar'] = $contact['photo'];
532 $datarray['uid'] = $importer_uid;
533 $datarray['contact-id'] = $contact['id'];
534 if ($datarray['parent-uri'] === $datarray['uri']) {
535 $datarray['private'] = 1;
537 if (($contact['network'] === NETWORK_MAIL) && (!PConfig::get($importer_uid, 'system', 'allow_public_email_replies'))) {
538 $datarray['private'] = 1;
539 $datarray['allow_cid'] = '<' . $contact['id'] . '>';
542 $stored_item = Item::insert($datarray);
544 switch ($mailconf['action']) {
546 logger("Mail: Seen before ".$msg_uid." for ".$mailconf['user'].". Doing nothing.", LOGGER_DEBUG);
549 logger("Mail: Deleting ".$msg_uid." for ".$mailconf['user']);
550 imap_delete($mbox, $msg_uid, FT_UID);
553 logger("Mail: Mark as seen ".$msg_uid." for ".$mailconf['user']);
554 imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
557 logger("Mail: Moving ".$msg_uid." to ".$mailconf['movetofolder']." for ".$mailconf['user']);
558 imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
559 if ($mailconf['movetofolder'] != "") {
560 imap_mail_move($mbox, $msg_uid, $mailconf['movetofolder'], FT_UID);
567 logger("Mail: no mails for ".$mailconf['user']);
570 logger("Mail: closing connection for ".$mailconf['user']);
576 logger('received xml : ' . $xml, LOGGER_DATA);
577 if (!strstr($xml, '<')) {
578 logger('post_handshake: response from ' . $url . ' did not contain XML.');
580 $fields = ['last-update' => DateTimeFormat::utcNow(), 'failure_update' => DateTimeFormat::utcNow()];
581 self::updateContact($contact, $fields);
582 Contact::markForArchival($contact);
587 logger("Consume feed of contact ".$contact['id']);
589 consume_feed($xml, $importer, $contact, $hub);
591 // do it a second time for DFRN so that any children find their parents.
592 if ($contact['network'] === NETWORK_DFRN) {
593 consume_feed($xml, $importer, $contact, $hub);
596 $hubmode = 'subscribe';
597 if ($contact['network'] === NETWORK_DFRN || $contact['blocked']) {
598 $hubmode = 'unsubscribe';
601 if (($contact['network'] === NETWORK_OSTATUS || $contact['network'] == NETWORK_FEED) && (! $contact['hub-verify'])) {
609 logger("Contact ".$contact['id']." returned hub: ".$hub." Network: ".$contact['network']." Relation: ".$contact['rel']." Update: ".$hub_update);
611 if (strlen($hub) && $hub_update && (($contact['rel'] != CONTACT_IS_FOLLOWER) || $contact['network'] == NETWORK_FEED)) {
612 logger('hub ' . $hubmode . ' : ' . $hub . ' contact name : ' . $contact['name'] . ' local user : ' . $importer['name']);
613 $hubs = explode(',', $hub);
615 foreach ($hubs as $h) {
620 subscribe_to_hub($h, $importer, $contact, $hubmode);
625 $updated = DateTimeFormat::utcNow();
627 self::updateContact($contact, ['last-update' => $updated, 'success_update' => $updated]);
628 dba::update('gcontact', ['last_contact' => $updated], ['nurl' => $contact['nurl']]);
629 Contact::unmarkForArchival($contact);
630 } elseif (in_array($contact["network"], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, NETWORK_FEED])) {
631 $updated = DateTimeFormat::utcNow();
633 self::updateContact($contact, ['last-update' => $updated, 'failure_update' => $updated]);
634 dba::update('gcontact', ['last_failure' => $updated], ['nurl' => $contact['nurl']]);
635 Contact::markForArchival($contact);
637 $updated = DateTimeFormat::utcNow();
638 dba::update('contact', ['last-update' => $updated], ['id' => $contact['id']]);
644 private static function RemoveReply($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 $fields The fields that are updated
658 private static function updateContact($contact, $fields) {
659 dba::update('contact', $fields, ['id' => $contact['id']]);
660 dba::update('contact', $fields, ['uid' => 0, 'nurl' => $contact['nurl']]);