3 require_once("boot.php");
6 function poller_run($argv, $argc){
14 @include(".htconfig.php");
15 require_once("dba.php");
16 $db = new dba($db_host, $db_user, $db_pass, $db_data);
17 unset($db_host, $db_user, $db_pass, $db_data);
21 require_once('include/session.php');
22 require_once('include/datetime.php');
23 require_once('library/simplepie/simplepie.inc');
24 require_once('include/items.php');
25 require_once('include/Contact.php');
26 require_once('include/email.php');
28 load_config('config');
29 load_config('system');
31 $a->set_baseurl(get_config('system','url'));
35 logger('poller: start');
37 // run queue delivery process in the background
39 proc_run('php',"include/queue.php");
41 // once daily run expire in background
43 $d1 = get_config('system','last_expire_day');
44 $d2 = intval(datetime_convert('UTC','UTC','now','d'));
46 if($d2 != intval($d1)) {
47 set_config('system','last_expire_day',$d2);
48 proc_run('php','include/expire.php');
52 q("DELETE FROM `cache` WHERE `updated` < '%s'",
53 dbesc(datetime_convert('UTC','UTC',"now - 30 days")));
61 if(($argc > 1) && ($argv[1] == 'force'))
64 if(($argc > 1) && ($argv[1] == 'restart')) {
66 $generation = intval($argv[2]);
71 if(($argc > 1) && intval($argv[1])) {
72 $manual_id = intval($argv[1]);
76 $sql_extra = (($manual_id) ? " AND `id` = $manual_id " : "");
80 $d = datetime_convert();
83 proc_run('php','include/cronhooks.php');
85 // Only poll from those with suitable relationships,
86 // and which have a polling address and ignore Diaspora since
87 // we are unable to match those posts with a Diaspora GUID and prevent duplicates.
89 $contacts = q("SELECT `contact`.`id` FROM `contact` LEFT JOIN `user` ON `user`.`uid` = `contact`.`uid`
90 WHERE ( `rel` = %d OR `rel` = %d ) AND `poll` != ''
93 AND `self` = 0 AND `contact`.`blocked` = 0 AND `contact`.`readonly` = 0
94 AND `user`.`account_expired` = 0 ORDER BY RAND()",
95 intval(CONTACT_IS_SHARING),
96 intval(CONTACT_IS_FRIEND),
97 dbesc(NETWORK_DIASPORA)
100 if(! count($contacts)) {
104 foreach($contacts as $c) {
106 $res = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
110 if((! $res) || (! count($res)))
113 foreach($res as $contact) {
118 $contact['last-update'] = '0000-00-00 00:00:00';
120 if($contact['priority'] || $contact['subhub']) {
125 $t = $contact['last-update'];
127 // We should be getting everything via a hub. But just to be sure, let's check once a day.
128 // (You can make this more or less frequent if desired by setting 'pushpoll_frequency' appropriately)
129 // This also lets us update our subscription to the hub, and add or replace hubs in case it
130 // changed. We will only update hubs once a day, regardless of 'pushpoll_frequency'.
133 if($contact['subhub']) {
134 $interval = get_config('system','pushpoll_frequency');
135 $contact['priority'] = (($interval !== false) ? intval($interval) : 3);
138 if((datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 day")) || $force)
143 * Based on $contact['priority'], should we poll this site now? Or later?
146 switch ($contact['priority']) {
148 if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 month"))
152 if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 week"))
156 if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 day"))
160 if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 12 hour"))
165 if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 hour"))
169 if((! $update) && (! $force))
173 // Check to see if we are running out of memory - if so spawn a new process and kill this one
175 $avail_memory = return_bytes(ini_get('memory_limit'));
176 $memused = memory_get_peak_usage(true);
177 if(intval($avail_memory)) {
178 if(($memused / $avail_memory) > 0.95) {
179 if($generation + 1 > 10) {
180 logger('poller: maximum number of spawns exceeded. Terminating.');
183 logger('poller: memory exceeded. ' . $memused . ' bytes used. Spawning new poll.');
184 proc_run('php', 'include/poller.php', 'restart', (string) $generation + 1);
189 $importer_uid = $contact['uid'];
191 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
192 intval($importer_uid)
199 logger("poller: poll: IMPORTER: {$importer['name']}, CONTACT: {$contact['name']}");
201 $last_update = (($contact['last-update'] === '0000-00-00 00:00:00')
202 ? datetime_convert('UTC','UTC','now - 30 days', ATOM_TIME)
203 : datetime_convert('UTC','UTC',$contact['last-update'], ATOM_TIME)
206 if($contact['network'] === NETWORK_DFRN) {
208 $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
210 if(intval($contact['duplex']) && $contact['dfrn-id'])
211 $idtosend = '0:' . $orig_id;
212 if(intval($contact['duplex']) && $contact['issued-id'])
213 $idtosend = '1:' . $orig_id;
215 // they have permission to write to us. We already filtered this in the contact query.
218 $url = $contact['poll'] . '?dfrn_id=' . $idtosend
219 . '&dfrn_version=' . DFRN_PROTOCOL_VERSION
220 . '&type=data&last_update=' . $last_update
223 $handshake_xml = fetch_url($url);
225 logger('poller: handshake with url ' . $url . ' returns xml: ' . $handshake_xml, LOGGER_DATA);
228 if(! $handshake_xml) {
229 logger("poller: $url appears to be dead - marking for death ");
230 // dead connection - might be a transient event, or this might
231 // mean the software was uninstalled or the domain expired.
232 // Will keep trying for one month.
233 mark_for_death($contact);
235 // set the last-update so we don't keep polling
237 $r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1",
238 dbesc(datetime_convert()),
239 intval($contact['id'])
245 if(! strstr($handshake_xml,'<?xml')) {
246 logger('poller: response from ' . $url . ' did not contain XML.');
247 $r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1",
248 dbesc(datetime_convert()),
249 intval($contact['id'])
255 $res = parse_xml_string($handshake_xml);
257 if(intval($res->status) == 1) {
258 logger("poller: $url replied status 1 - marking for death ");
260 // we may not be friends anymore. Will keep trying for one month.
261 // set the last-update so we don't keep polling
263 $r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1",
264 dbesc(datetime_convert()),
265 intval($contact['id'])
268 mark_for_death($contact);
271 if($contact['term-date'] != '0000-00-00 00:00:00') {
272 logger("poller: $url back from the dead - removing mark for death");
273 unmark_for_death($contact);
277 if((intval($res->status) != 0) || (! strlen($res->challenge)) || (! strlen($res->dfrn_id)))
282 $sent_dfrn_id = hex2bin((string) $res->dfrn_id);
283 $challenge = hex2bin((string) $res->challenge);
287 if(($contact['duplex']) && strlen($contact['prvkey'])) {
288 openssl_private_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['prvkey']);
289 openssl_private_decrypt($challenge,$postvars['challenge'],$contact['prvkey']);
292 openssl_public_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['pubkey']);
293 openssl_public_decrypt($challenge,$postvars['challenge'],$contact['pubkey']);
296 $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
298 if(strpos($final_dfrn_id,':') == 1)
299 $final_dfrn_id = substr($final_dfrn_id,2);
301 if($final_dfrn_id != $orig_id) {
302 logger('poller: ID did not decode: ' . $contact['id'] . ' orig: ' . $orig_id . ' final: ' . $final_dfrn_id);
303 // did not decode properly - cannot trust this site
307 $postvars['dfrn_id'] = $idtosend;
308 $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
309 $postvars['perm'] = 'rw';
311 $xml = post_url($contact['poll'],$postvars);
313 elseif(($contact['network'] === NETWORK_OSTATUS)
314 || ($contact['network'] === NETWORK_DIASPORA)
315 || ($contact['network'] === NETWORK_FEED) ) {
317 // Upgrading DB fields from an older Friendika version
318 // Will only do this once per notify-enabled OStatus contact
319 // or if relationship changes
321 $stat_writeable = ((($contact['notify']) && ($contact['rel'] == CONTACT_IS_FOLLOWER || $contact['rel'] == CONTACT_IS_FRIEND)) ? 1 : 0);
323 if($stat_writeable != $contact['writable']) {
324 q("UPDATE `contact` SET `writable` = %d WHERE `id` = %d LIMIT 1",
325 intval($stat_writeable),
326 intval($contact['id'])
330 // Are we allowed to import from this person?
332 if($contact['rel'] == CONTACT_IS_FOLLOWER || $contact['blocked'] || $contact['readonly'])
335 $xml = fetch_url($contact['poll']);
337 elseif($contact['network'] === NETWORK_MAIL) {
339 $mail_disabled = ((function_exists('imap_open') && (! get_config('system','imap_disabled'))) ? 0 : 1);
344 $x = q("SELECT `prvkey` FROM `user` WHERE `uid` = %d LIMIT 1",
345 intval($importer_uid)
347 $mailconf = q("SELECT * FROM `mailacct` WHERE `server` != '' AND `uid` = %d LIMIT 1",
348 intval($importer_uid)
350 if(count($x) && count($mailconf)) {
351 $mailbox = construct_mailbox_name($mailconf[0]);
353 openssl_private_decrypt(hex2bin($mailconf[0]['pass']),$password,$x[0]['prvkey']);
354 $mbox = email_connect($mailbox,$mailconf[0]['user'],$password);
357 q("UPDATE `mailacct` SET `last_check` = '%s' WHERE `id` = %d AND `uid` = %d LIMIT 1",
358 dbesc(datetime_convert()),
359 intval($mailconf[0]['id']),
360 intval($importer_uid)
366 $msgs = email_poll($mbox,$contact['addr']);
369 foreach($msgs as $msg_uid) {
371 $meta = email_msg_meta($mbox,$msg_uid);
372 $headers = email_msg_headers($mbox,$msg_uid);
374 // look for a 'references' header and try and match with a parent item we have locally.
376 $raw_refs = ((x($headers,'references')) ? str_replace("\t",'',$headers['references']) : '');
377 $datarray['uri'] = trim($meta->message_id,'<>');
380 $refs_arr = explode(' ', $raw_refs);
381 if(count($refs_arr)) {
382 for($x = 0; $x < count($refs_arr); $x ++)
383 $refs_arr[$x] = "'" . str_replace(array('<','>',' '),array('','',''),dbesc($refs_arr[$x])) . "'";
385 $qstr = implode(',',$refs_arr);
386 $r = q("SELECT `uri` , `parent-uri` FROM `item` WHERE `uri` IN ( $qstr ) AND `uid` = %d LIMIT 1",
387 intval($importer_uid)
390 $datarray['parent-uri'] = $r[0]['uri'];
394 if(! x($datarray,'parent-uri'))
395 $datarray['parent-uri'] = $datarray['uri'];
397 // Have we seen it before?
398 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `uri` = '%s' LIMIT 1",
399 intval($importer_uid),
400 dbesc($datarray['uri'])
404 if($meta->deleted && ! $r[0]['deleted']) {
405 q("UPDATE `item` SET `deleted` = 1, `changed` = '%s' WHERE `id` = %d LIMIT 1",
406 dbesc(datetime_convert()),
412 $datarray['title'] = notags(trim($meta->subject));
413 $datarray['created'] = datetime_convert('UTC','UTC',$meta->date);
415 $r = email_get_msg($mbox,$msg_uid);
418 $datarray['body'] = escape_tags($r['body']);
420 // some mailing lists have the original author as 'from' - add this sender info to msg body.
421 // todo: adding a gravatar for the original author would be cool
423 if(! stristr($meta->from,$contact['addr']))
424 $datarray['body'] = t('From: ') . escape_tags($meta->from) . "\n\n" . $datarray['body'];
426 $datarray['uid'] = $importer_uid;
427 $datarray['contact-id'] = $contact['id'];
428 if($datarray['parent-uri'] === $datarray['uri'])
429 $datarray['private'] = 1;
430 if(! get_pconfig($importer_uid,'system','allow_public_email_replies')) {
431 $datarray['private'] = 1;
432 $datarray['allow_cid'] = '<' . $contact['id'] . '>';
434 $datarray['author-name'] = $contact['name'];
435 $datarray['author-link'] = 'mailbox';
436 $datarray['author-avatar'] = $contact['photo'];
438 $stored_item = item_store($datarray);
439 q("UPDATE `item` SET `last-child` = 0 WHERE `parent-uri` = '%s' AND `uid` = %d",
440 dbesc($datarray['parent-uri']),
441 intval($importer_uid)
443 q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1",
452 elseif($contact['network'] === NETWORK_FACEBOOK) {
453 // This is picked up by the Facebook plugin on a cron hook.
458 logger('poller: received xml : ' . $xml, LOGGER_DATA);
460 if(! strstr($xml,'<?xml')) {
461 logger('poller: post_handshake: response from ' . $url . ' did not contain XML.');
462 $r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1",
463 dbesc(datetime_convert()),
464 intval($contact['id'])
470 consume_feed($xml,$importer,$contact,$hub,1, true);
472 // do it twice. Ensures that children of parents which may be later in the stream aren't tossed
474 consume_feed($xml,$importer,$contact,$hub,1);
477 if((strlen($hub)) && ($hub_update) && (($contact['rel'] == CONTACT_IS_FRIEND) || (($contact['network'] === NETWORK_OSTATUS) && (! $contact['readonly'])))) {
478 logger('poller: subscribing to hub(s) : ' . $hub . ' contact name : ' . $contact['name'] . ' local user : ' . $importer['name']);
479 $hubs = explode(',', $hub);
481 foreach($hubs as $h) {
485 subscribe_to_hub($h,$importer,$contact);
491 $updated = datetime_convert();
493 $r = q("UPDATE `contact` SET `last-update` = '%s', `success_update` = '%s' WHERE `id` = %d LIMIT 1",
496 intval($contact['id'])
499 // loop - next contact
507 if (array_search(__file__,get_included_files())===0){
508 poller_run($argv,$argc);