<?php
+require_once("boot.php");
- require_once('boot.php');
- $a = new App;
+function poller_run($argv, $argc){
+ global $a, $db;
- @include('.htconfig.php');
- require_once('dba.php');
- $db = new dba($db_host, $db_user, $db_pass, $db_data);
- unset($db_host, $db_user, $db_pass, $db_data);
-
- require_once('session.php');
- require_once('datetime.php');
- require_once('simplepie/simplepie.inc');
+ if(is_null($a)) {
+ $a = new App;
+ }
+
+ if(is_null($db)) {
+ @include(".htconfig.php");
+ require_once("dba.php");
+ $db = new dba($db_host, $db_user, $db_pass, $db_data);
+ unset($db_host, $db_user, $db_pass, $db_data);
+ };
+
+
+ require_once('include/session.php');
+ require_once('include/datetime.php');
+ require_once('library/simplepie/simplepie.inc');
require_once('include/items.php');
-
require_once('include/Contact.php');
+ require_once('include/email.php');
- $debugging = get_config('system','debugging');
+ load_config('config');
+ load_config('system');
$a->set_baseurl(get_config('system','url'));
- $contacts = q("SELECT * FROM `contact`
- WHERE ( `dfrn-id` != '' OR (`issued-id` != '' AND `duplex` = 1))
- AND `self` = 0 AND `blocked` = 0 AND `readonly` = 0 AND `subhub` = 0 ORDER BY RAND()");
-
- if(! count($contacts))
- killme();
-
- foreach($contacts as $contact) {
-
- if($contact['priority']) {
-
- $update = false;
- $t = $contact['last-update'];
-
- switch ($contact['priority']) {
- case 5:
- if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 month"))
- $update = true;
- break;
- case 4:
- if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 week"))
- $update = true;
- break;
- case 3:
- if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 day"))
- $update = true;
- break;
- case 2:
- if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 12 hour"))
- $update = true;
- break;
- case 1:
- default:
- if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 hour"))
- $update = true;
- break;
- }
- if(! $update)
- continue;
- }
+ load_hooks();
+
+ logger('poller: start');
+
+ // run queue delivery process in the background
+
+ proc_run('php',"include/queue.php");
+
+ // once daily run expire in background
+
+ $d1 = get_config('system','last_expire_day');
+ $d2 = intval(datetime_convert('UTC','UTC','now','d'));
+
+ if($d2 != intval($d1)) {
+ set_config('system','last_expire_day',$d2);
+ proc_run('php','include/expire.php');
+ }
+
+ // clear old cache
+ q("DELETE FROM `cache` WHERE `updated` < '%s'",
+ dbesc(datetime_convert('UTC','UTC',"now - 30 days")));
+
+ $manual_id = 0;
+ $generation = 0;
+ $hub_update = false;
+ $force = false;
+ $restart = false;
+
+ if(($argc > 1) && ($argv[1] == 'force'))
+ $force = true;
+
+ if(($argc > 1) && ($argv[1] == 'restart')) {
+ $restart = true;
+ $generation = intval($argv[2]);
+ if(! $generation)
+ killme();
+ }
- $importer_uid = $contact['uid'];
+ if(($argc > 1) && intval($argv[1])) {
+ $manual_id = intval($argv[1]);
+ $force = true;
+ }
+
+ $sql_extra = (($manual_id) ? " AND `id` = $manual_id " : "");
+
+ reload_plugins();
+
+ $d = datetime_convert();
+
+ if(! $restart)
+ proc_run('php','include/cronhooks.php');
+
+ // Only poll from those with suitable relationships,
+ // and which have a polling address and ignore Diaspora since
+ // we are unable to match those posts with a Diaspora GUID and prevent duplicates.
+
+ $contacts = q("SELECT `id` FROM `contact`
+ WHERE ( `rel` = %d OR `rel` = %d ) AND `poll` != ''
+ AND `network` != '%s'
+ $sql_extra
+ AND `self` = 0 AND `blocked` = 0 AND `readonly` = 0 ORDER BY RAND()",
+ intval(CONTACT_IS_SHARING),
+ intval(CONTACT_IS_FRIEND),
+ dbesc(NETWORK_DIASPORA)
+ );
+
+ if(! count($contacts)) {
+ return;
+ }
+
+ foreach($contacts as $c) {
- $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
- intval($importer_uid)
+ $res = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
+ intval($c['id'])
);
- if(! count($r))
+
+ if((! $res) || (! count($res)))
continue;
- $importer = $r[0];
+ foreach($res as $contact) {
+
+ $xml = false;
+
+ if($manual_id)
+ $contact['last-update'] = '0000-00-00 00:00:00';
+
+ if($contact['priority'] || $contact['subhub']) {
+
+ $hub_update = true;
+ $update = false;
+
+ $t = $contact['last-update'];
+
+ // We should be getting everything via a hub. But just to be sure, let's check once a day.
+ // (You can make this more or less frequent if desired by setting 'pushpoll_frequency' appropriately)
+ // This also lets us update our subscription to the hub, and add or replace hubs in case it
+ // changed. We will only update hubs once a day, regardless of 'pushpoll_frequency'.
+
+
+ if($contact['subhub']) {
+ $interval = get_config('system','pushpoll_frequency');
+ $contact['priority'] = (($interval !== false) ? intval($interval) : 3);
+ $hub_update = false;
+
+ if((datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 day")) || $force)
+ $hub_update = true;
+ }
+
+ /**
+ * Based on $contact['priority'], should we poll this site now? Or later?
+ */
+
+ switch ($contact['priority']) {
+ case 5:
+ if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 month"))
+ $update = true;
+ break;
+ case 4:
+ if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 week"))
+ $update = true;
+ break;
+ case 3:
+ if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 day"))
+ $update = true;
+ break;
+ case 2:
+ if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 12 hour"))
+ $update = true;
+ break;
+ case 1:
+ default:
+ if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 hour"))
+ $update = true;
+ break;
+ }
+ if((! $update) && (! $force))
+ continue;
+ }
- if($debugging)
- echo "IMPORTER: {$importer['name']}";
+ // Check to see if we are running out of memory - if so spawn a new process and kill this one
+
+ $avail_memory = return_bytes(ini_get('memory_limit'));
+ $memused = memory_get_peak_usage(true);
+ if(intval($avail_memory)) {
+ if(($memused / $avail_memory) > 0.95) {
+ if($generation + 1 > 10) {
+ logger('poller: maximum number of spawns exceeded. Terminating.');
+ killme();
+ }
+ logger('poller: memory exceeded. ' . $memused . ' bytes used. Spawning new poll.');
+ proc_run('php', 'include/poller.php', 'restart', (string) $generation + 1);
+ killme();
+ }
+ }
- $last_update = (($contact['last-update'] === '0000-00-00 00:00:00')
- ? datetime_convert('UTC','UTC','now - 30 days','Y-m-d\TH:i:s\Z')
- : datetime_convert('UTC','UTC',$contact['last-update'],'Y-m-d\TH:i:s\Z'));
+ $importer_uid = $contact['uid'];
+
+ $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
+ intval($importer_uid)
+ );
+ if(! count($r))
+ continue;
+ $importer = $r[0];
+ logger("poller: poll: IMPORTER: {$importer['name']}, CONTACT: {$contact['name']}");
- $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
+ $last_update = (($contact['last-update'] === '0000-00-00 00:00:00')
+ ? datetime_convert('UTC','UTC','now - 30 days', ATOM_TIME)
+ : datetime_convert('UTC','UTC',$contact['last-update'], ATOM_TIME)
+ );
- if(intval($contact['duplex']) && $contact['dfrn-id'])
- $idtosend = '0:' . $orig_id;
- if(intval($contact['duplex']) && $contact['issued-id'])
- $idtosend = '1:' . $orig_id;
+ if($contact['network'] === NETWORK_DFRN) {
- $url = $contact['poll'] . '?dfrn_id=' . $idtosend . '&type=data&last_update=' . $last_update ;
- $xml = fetch_url($url);
+ $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
- if($debugging) {
- echo "URL: " . $url . "\r\n";
- echo "XML: " . $xml . "\r\n";
- }
+ if(intval($contact['duplex']) && $contact['dfrn-id'])
+ $idtosend = '0:' . $orig_id;
+ if(intval($contact['duplex']) && $contact['issued-id'])
+ $idtosend = '1:' . $orig_id;
- if(! $xml) {
- // dead connection - might be a transient event, or this might
- // mean the software was uninstalled or the domain expired.
- // Will keep trying for one month.
- mark_for_death($contact);
- continue;
- }
+ // they have permission to write to us. We already filtered this in the contact query.
+ $perm = 'rw';
+ $url = $contact['poll'] . '?dfrn_id=' . $idtosend
+ . '&dfrn_version=' . DFRN_PROTOCOL_VERSION
+ . '&type=data&last_update=' . $last_update
+ . '&perm=' . $perm ;
+
+ $handshake_xml = fetch_url($url);
- $res = simplexml_load_string($xml);
+ logger('poller: handshake with url ' . $url . ' returns xml: ' . $handshake_xml, LOGGER_DATA);
- if(intval($res->status) == 1) {
- // we may not be friends anymore. Will keep trying for one month.
- mark_for_death($contact);
- }
- else {
- if($contact['term-date'] != '0000-00-00 00:00:00')
- unmark_for_death($contact);
- }
- if((intval($res->status) != 0) || (! strlen($res->challenge)) || (! strlen($res->dfrn_id)))
- continue;
+ if(! $handshake_xml) {
+ logger("poller: $url appears to be dead - marking for death ");
+ // dead connection - might be a transient event, or this might
+ // mean the software was uninstalled or the domain expired.
+ // Will keep trying for one month.
+ mark_for_death($contact);
- $postvars = array();
+ // set the last-update so we don't keep polling
- $sent_dfrn_id = hex2bin($res->dfrn_id);
- $challenge = hex2bin($res->challenge);
+ $r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1",
+ dbesc(datetime_convert()),
+ intval($contact['id'])
+ );
- $final_dfrn_id = '';
+ continue;
+ }
- if(($contact['duplex']) && strlen($contact['prvkey'])) {
- openssl_private_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['prvkey']);
- openssl_private_decrypt($challenge,$postvars['challenge'],$contact['prvkey']);
+ if(! strstr($handshake_xml,'<?xml')) {
+ logger('poller: response from ' . $url . ' did not contain XML.');
+ $r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1",
+ dbesc(datetime_convert()),
+ intval($contact['id'])
+ );
+ continue;
+ }
- }
- else {
- openssl_public_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['pubkey']);
- openssl_public_decrypt($challenge,$postvars['challenge'],$contact['pubkey']);
- }
- $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
+ $res = parse_xml_string($handshake_xml);
+
+ if(intval($res->status) == 1) {
+ logger("poller: $url replied status 1 - marking for death ");
- if(strpos($final_dfrn_id,':') == 1)
- $final_dfrn_id = substr($final_dfrn_id,2);
+ // we may not be friends anymore. Will keep trying for one month.
+ // set the last-update so we don't keep polling
- if($final_dfrn_id != $orig_id) {
+ $r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1",
+ dbesc(datetime_convert()),
+ intval($contact['id'])
+ );
- // did not decode properly - cannot trust this site
- continue;
- }
+ mark_for_death($contact);
+ }
+ else {
+ if($contact['term-date'] != '0000-00-00 00:00:00') {
+ logger("poller: $url back from the dead - removing mark for death");
+ unmark_for_death($contact);
+ }
+ }
- $postvars['dfrn_id'] = $idtosend;
+ if((intval($res->status) != 0) || (! strlen($res->challenge)) || (! strlen($res->dfrn_id)))
+ continue;
+ $postvars = array();
- $xml = post_url($contact['poll'],$postvars);
+ $sent_dfrn_id = hex2bin((string) $res->dfrn_id);
+ $challenge = hex2bin((string) $res->challenge);
- if($debugging) {
- echo "XML response:" . $xml . "\r\n";
- echo "Length:" . strlen($xml) . "\r\n";
- }
+ $final_dfrn_id = '';
- if(! strlen($xml))
- continue;
+ if(($contact['duplex']) && strlen($contact['prvkey'])) {
+ openssl_private_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['prvkey']);
+ openssl_private_decrypt($challenge,$postvars['challenge'],$contact['prvkey']);
+ }
+ else {
+ openssl_public_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['pubkey']);
+ openssl_public_decrypt($challenge,$postvars['challenge'],$contact['pubkey']);
+ }
+ $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
- consume_feed($xml,$importer,$contact,$hub);
-
+ if(strpos($final_dfrn_id,':') == 1)
+ $final_dfrn_id = substr($final_dfrn_id,2);
- if((strlen($hub)) && ($contact['rel'] == REL_BUD) && ($contact['priority'] == 0)) {
- subscribe_to_hub($hub,$importer,$contact);
- }
+ if($final_dfrn_id != $orig_id) {
+ logger('poller: ID did not decode: ' . $contact['id'] . ' orig: ' . $orig_id . ' final: ' . $final_dfrn_id);
+ // did not decode properly - cannot trust this site
+ continue;
+ }
+ $postvars['dfrn_id'] = $idtosend;
+ $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
+ $postvars['perm'] = 'rw';
+
+ $xml = post_url($contact['poll'],$postvars);
+ }
+ elseif(($contact['network'] === NETWORK_OSTATUS)
+ || ($contact['network'] === NETWORK_DIASPORA)
+ || ($contact['network'] === NETWORK_FEED) ) {
- $r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1",
- dbesc(datetime_convert()),
- intval($contact['id'])
- );
+ // Upgrading DB fields from an older Friendika version
+ // Will only do this once per notify-enabled OStatus contact
+ // or if relationship changes
- }
-
- killme();
+ $stat_writeable = ((($contact['notify']) && ($contact['rel'] == CONTACT_IS_FOLLOWER || $contact['rel'] == CONTACT_IS_FRIEND)) ? 1 : 0);
+
+ if($stat_writeable != $contact['writable']) {
+ q("UPDATE `contact` SET `writable` = %d WHERE `id` = %d LIMIT 1",
+ intval($stat_writeable),
+ intval($contact['id'])
+ );
+ }
+
+ // Are we allowed to import from this person?
+
+ if($contact['rel'] == CONTACT_IS_FOLLOWER || $contact['blocked'] || $contact['readonly'])
+ continue;
+ $xml = fetch_url($contact['poll']);
+ }
+ elseif($contact['network'] === NETWORK_MAIL) {
+
+ $mail_disabled = ((function_exists('imap_open') && (! get_config('system','imap_disabled'))) ? 0 : 1);
+ if($mail_disabled)
+ continue;
+
+ $mbox = null;
+ $x = q("SELECT `prvkey` FROM `user` WHERE `uid` = %d LIMIT 1",
+ intval($importer_uid)
+ );
+ $mailconf = q("SELECT * FROM `mailacct` WHERE `server` != '' AND `uid` = %d LIMIT 1",
+ intval($importer_uid)
+ );
+ if(count($x) && count($mailconf)) {
+ $mailbox = construct_mailbox_name($mailconf[0]);
+ $password = '';
+ openssl_private_decrypt(hex2bin($mailconf[0]['pass']),$password,$x[0]['prvkey']);
+ $mbox = email_connect($mailbox,$mailconf[0]['user'],$password);
+ unset($password);
+ if($mbox) {
+ q("UPDATE `mailacct` SET `last_check` = '%s' WHERE `id` = %d AND `uid` = %d LIMIT 1",
+ dbesc(datetime_convert()),
+ intval($mailconf[0]['id']),
+ intval($importer_uid)
+ );
+ }
+ }
+ if($mbox) {
+
+ $msgs = email_poll($mbox,$contact['addr']);
+
+ if(count($msgs)) {
+ foreach($msgs as $msg_uid) {
+ $datarray = array();
+ $meta = email_msg_meta($mbox,$msg_uid);
+ $headers = email_msg_headers($mbox,$msg_uid);
+
+ // look for a 'references' header and try and match with a parent item we have locally.
+
+ $raw_refs = ((x($headers,'references')) ? str_replace("\t",'',$headers['references']) : '');
+ $datarray['uri'] = trim($meta->message_id,'<>');
+
+ if($raw_refs) {
+ $refs_arr = explode(' ', $raw_refs);
+ if(count($refs_arr)) {
+ for($x = 0; $x < count($refs_arr); $x ++)
+ $refs_arr[$x] = "'" . str_replace(array('<','>',' '),array('','',''),dbesc($refs_arr[$x])) . "'";
+ }
+ $qstr = implode(',',$refs_arr);
+ $r = q("SELECT `uri` , `parent-uri` FROM `item` WHERE `uri` IN ( $qstr ) AND `uid` = %d LIMIT 1",
+ intval($importer_uid)
+ );
+ if(count($r))
+ $datarray['parent-uri'] = $r[0]['uri'];
+ }
+
+
+ if(! x($datarray,'parent-uri'))
+ $datarray['parent-uri'] = $datarray['uri'];
+
+ // Have we seen it before?
+ $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `uri` = '%s' LIMIT 1",
+ intval($importer_uid),
+ dbesc($datarray['uri'])
+ );
+
+ if(count($r)) {
+ if($meta->deleted && ! $r[0]['deleted']) {
+ q("UPDATE `item` SET `deleted` = 1, `changed` = '%s' WHERE `id` = %d LIMIT 1",
+ dbesc(datetime_convert()),
+ intval($r[0]['id'])
+ );
+ }
+ continue;
+ }
+ $datarray['title'] = notags(trim($meta->subject));
+ $datarray['created'] = datetime_convert('UTC','UTC',$meta->date);
+
+ $r = email_get_msg($mbox,$msg_uid);
+ if(! $r)
+ continue;
+ $datarray['body'] = escape_tags($r['body']);
+
+ // some mailing lists have the original author as 'from' - add this sender info to msg body.
+ // todo: adding a gravatar for the original author would be cool
+
+ if(! stristr($meta->from,$contact['addr']))
+ $datarray['body'] = t('From: ') . escape_tags($meta->from) . "\n\n" . $datarray['body'];
+
+ $datarray['uid'] = $importer_uid;
+ $datarray['contact-id'] = $contact['id'];
+ if($datarray['parent-uri'] === $datarray['uri'])
+ $datarray['private'] = 1;
+ if(! get_pconfig($importer_uid,'system','allow_public_email_replies')) {
+ $datarray['private'] = 1;
+ $datarray['allow_cid'] = '<' . $contact['id'] . '>';
+ }
+ $datarray['author-name'] = $contact['name'];
+ $datarray['author-link'] = 'mailbox';
+ $datarray['author-avatar'] = $contact['photo'];
+
+ $stored_item = item_store($datarray);
+ q("UPDATE `item` SET `last-child` = 0 WHERE `parent-uri` = '%s' AND `uid` = %d",
+ dbesc($datarray['parent-uri']),
+ intval($importer_uid)
+ );
+ q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1",
+ intval($stored_item)
+ );
+ }
+ }
+
+ imap_close($mbox);
+ }
+ }
+ elseif($contact['network'] === NETWORK_FACEBOOK) {
+ // This is picked up by the Facebook plugin on a cron hook.
+ // Ignored here.
+ }
+ if($xml) {
+ logger('poller: received xml : ' . $xml, LOGGER_DATA);
+
+ if(! strstr($xml,'<?xml')) {
+ logger('poller: post_handshake: response from ' . $url . ' did not contain XML.');
+ $r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1",
+ dbesc(datetime_convert()),
+ intval($contact['id'])
+ );
+ continue;
+ }
+
+
+ consume_feed($xml,$importer,$contact,$hub,1, true);
+
+ // do it twice. Ensures that children of parents which may be later in the stream aren't tossed
+
+ consume_feed($xml,$importer,$contact,$hub,1);
+
+
+ if((strlen($hub)) && ($hub_update) && (($contact['rel'] == CONTACT_IS_FRIEND) || (($contact['network'] === NETWORK_OSTATUS) && (! $contact['readonly'])))) {
+ logger('poller: subscribing to hub(s) : ' . $hub . ' contact name : ' . $contact['name'] . ' local user : ' . $importer['name']);
+ $hubs = explode(',', $hub);
+ if(count($hubs)) {
+ foreach($hubs as $h) {
+ $h = trim($h);
+ if(! strlen($h))
+ continue;
+ subscribe_to_hub($h,$importer,$contact);
+ }
+ }
+ }
+ }
+
+ $updated = datetime_convert();
+
+ $r = q("UPDATE `contact` SET `last-update` = '%s', `success_update` = '%s' WHERE `id` = %d LIMIT 1",
+ dbesc($updated),
+ dbesc($updated),
+ intval($contact['id'])
+ );
+
+ // loop - next contact
+ }
+ }
+
+
+ return;
+}
+if (array_search(__file__,get_included_files())===0){
+ poller_run($argv,$argc);
+ killme();
+}