Merge branch 'master' of git://github.com/friendica/friendica

1 files changed, 519 insertions, 0 deletions

diff --git a/include/onepoll.php b/include/onepoll.php
new file mode 100644
index 000000000..42bce0f68
--- /dev/null
+++ b/include/onepoll.php
@@ -0,0 +1,519 @@
+<?php
+
+require_once("boot.php");
+
+function onepoll_run($argv, $argc){
+	global $a, $db;
+
+	if(is_null($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');
+	require_once('include/socgraph.php');
+	require_once('include/pidfile.php');
+
+	load_config('config');
+	load_config('system');
+
+	$a->set_baseurl(get_config('system','url'));
+
+	load_hooks();
+
+	logger('onepoll: start');
+	
+	$abandon_days = intval(get_config('system','account_abandon_days'));
+	if($abandon_days < 1)
+		$abandon_days = 0;
+
+
+	$manual_id  = 0;
+	$generation = 0;
+	$hub_update = false;
+	$force      = false;
+	$restart    = false;
+
+	if(($argc > 1) && (intval($argv[1])))
+		$contact_id = intval($argv[1]);
+
+	if(! $contact_id) {
+		logger('onepoll: no contact');
+		return;
+	}
+
+	$d = datetime_convert();
+
+	// 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.
+
+	$abandon_sql = (($abandon_days) 
+		? sprintf(" AND `user`.`login_date` > UTC_TIMESTAMP() - INTERVAL %d DAY ", intval($abandon_days)) 
+		: '' 
+	);
+
+	$contacts = q("SELECT `contact`.* FROM `contact` 
+		WHERE ( `rel` = %d OR `rel` = %d ) AND `poll` != ''
+		AND NOT `network` IN ( '%s', '%s' )
+		AND `contact`.`id` = %d
+		AND `self` = 0 AND `contact`.`blocked` = 0 AND `contact`.`readonly` = 0 
+		AND `contact`.`archive` = 0 LIMIT 1",
+		intval(CONTACT_IS_SHARING),
+		intval(CONTACT_IS_FRIEND),
+		dbesc(NETWORK_DIASPORA),
+		dbesc(NETWORK_FACEBOOK),
+		intval($contact_id)
+	);
+
+	if(! count($contacts)) {
+		return;
+	}
+
+	$contact = $contacts[0];
+
+
+	$xml = false;
+
+	$t = $contact['last-update'];
+
+	if($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"))
+				$hub_update = true;
+	}
+	else
+		$hub_update = false;
+
+
+	$importer_uid = $contact['uid'];
+		
+	$r = q("SELECT `contact`.*, `user`.`page-flags` FROM `contact` LEFT JOIN `user` on `contact`.`uid` = `user`.`uid` WHERE `user`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
+		intval($importer_uid)
+	);
+	if(! count($r))
+		return;
+
+	$importer = $r[0];
+
+	logger("onepoll: poll: ({$contact['id']}) IMPORTER: {$importer['name']}, CONTACT: {$contact['name']}");
+
+	$last_update = (($contact['last-update'] === '0000-00-00 00:00:00') 
+		? datetime_convert('UTC','UTC','now - 7 days', ATOM_TIME)
+		: datetime_convert('UTC','UTC',$contact['last-update'], ATOM_TIME)
+	);
+
+	if($contact['network'] === NETWORK_DFRN) {
+
+		$idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
+		if(intval($contact['duplex']) && $contact['dfrn-id'])
+			$idtosend = '0:' . $orig_id;
+		if(intval($contact['duplex']) && $contact['issued-id'])
+			$idtosend = '1:' . $orig_id;
+
+		// 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);
+
+		logger('onepoll: handshake with url ' . $url . ' returns xml: ' . $handshake_xml, LOGGER_DATA);
+
+
+		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);
+
+			// set the last-update so we don't keep polling
+			$r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1",
+				dbesc(datetime_convert()),
+				intval($contact['id'])
+			);
+
+			return;
+		}
+
+		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'])
+			);
+			return;
+		}
+
+
+		$res = parse_xml_string($handshake_xml);
+	
+		if(intval($res->status) == 1) {
+			logger("poller: $url replied status 1 - marking for death ");
+
+			// we may not be friends anymore. Will keep trying for one month.
+			// set the last-update so we don't keep polling
+
+
+			$r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1",
+				dbesc(datetime_convert()),
+				intval($contact['id'])
+			);
+			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);
+			}
+		}
+
+		if((intval($res->status) != 0) || (! strlen($res->challenge)) || (! strlen($res->dfrn_id)))
+			return;
+
+		if(((float) $res->dfrn_version > 2.21) && ($contact['poco'] == '')) {
+			q("update contact set poco = '%s' where id = %d limit 1",
+				dbesc(str_replace('/profile/','/poco/', $contact['url'])),
+				intval($contact['id'])
+			);
+		}
+
+		$postvars = array();
+
+		$sent_dfrn_id = hex2bin((string) $res->dfrn_id);
+		$challenge    = hex2bin((string) $res->challenge);
+
+		$final_dfrn_id = '';
+
+		if(($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($final_dfrn_id, '.'));
+
+		if(strpos($final_dfrn_id,':') == 1)
+			$final_dfrn_id = substr($final_dfrn_id,2);
+
+		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 
+			return;
+		}
+
+		$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) ) {
+
+		// Upgrading DB fields from an older Friendica version
+		// Will only do this once per notify-enabled OStatus contact
+		// or if relationship changes
+
+		$stat_writeable = ((($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'])
+			return;
+
+		$xml = fetch_url($contact['poll']);
+	}
+	elseif($contact['network'] === NETWORK_MAIL || $contact['network'] === NETWORK_MAIL2) {
+
+		logger("onepoll: mail: Fetching", LOGGER_DEBUG);
+
+		$mail_disabled = ((function_exists('imap_open') && (! get_config('system','imap_disabled'))) ? 0 : 1);
+		if($mail_disabled)
+			return;
+
+		logger("onepoll: Mail: Enabled", LOGGER_DEBUG);
+
+		$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($password);
+			logger("Mail: Connect");
+			if($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)) {
+				logger("Mail: Parsing ".count($msgs)." mails.", LOGGER_DEBUG);
+
+				foreach($msgs as $msg_uid) {
+					logger("Mail: Parsing mail ".$msg_uid, LOGGER_DATA);
+
+					$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']) : '');
+					$datarray['uri'] = msgid2iri(trim($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] = "'" . msgid2iri(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)) {
+//						logger("Mail: Seen before ".$msg_uid);
+						if($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'])
+							);
+						}
+						switch ($mailconf[0]['action']) {
+							case 0:
+								break;
+							case 1:
+								logger("Mail: Deleting ".$msg_uid);
+								imap_delete($mbox, $msg_uid, FT_UID);
+								break;
+							case 2:
+								logger("Mail: Mark as seen ".$msg_uid);
+								imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
+								break;
+							case 3:
+								logger("Mail: Moving ".$msg_uid." to ".$mailconf[0]['movetofolder']);
+								imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
+								if ($mailconf[0]['movetofolder'] != "")
+									imap_mail_move($mbox, $msg_uid, $mailconf[0]['movetofolder'], FT_UID);
+								break;
+						}
+						continue;
+					}
+
+					// Decoding the header
+					$subject = imap_mime_header_decode($meta->subject);
+					$datarray['title'] = "";
+					foreach($subject as $subpart)
+						if ($subpart->charset != "default")
+							$datarray['title'] .= iconv($subpart->charset, 'UTF-8//IGNORE', $subpart->text);
+						else
+							$datarray['title'] .= $subpart->text;
+
+					$datarray['title'] = notags(trim($datarray['title']));
+
+					//$datarray['title'] = notags(trim($meta->subject));
+					$datarray['created'] = datetime_convert('UTC','UTC',$meta->date);
+
+					// Is it  reply?
+					$reply = ((substr(strtolower($datarray['title']), 0, 3) == "re:") or
+						(substr(strtolower($datarray['title']), 0, 3) == "re-") or
+						(raw_refs != ""));
+
+					$r = email_get_msg($mbox,$msg_uid, $reply);
+					if(! $r) {
+						logger("Mail: can't fetch msg ".$msg_uid);
+						continue;
+					}
+					$datarray['body'] = escape_tags($r['body']);
+
+					logger("Mail: Importing ".$msg_uid);
+
+					// some mailing lists have the original author as 'from' - add this sender info to msg body.
+					// todo: adding a gravatar for the original author would be cool
+
+					if(! stristr($meta->from,$contact['addr'])) {
+						$from = imap_mime_header_decode($meta->from);
+						$fromdecoded = "";
+						foreach($from as $frompart)
+							if ($frompart->charset != "default")
+								$fromdecoded .= iconv($frompart->charset, 'UTF-8//IGNORE', $frompart->text);
+							else
+								$fromdecoded .= $frompart->text;
+
+						$datarray['body'] = "[b]".t('From: ') . escape_tags($fromdecoded) . "[/b]\n\n" . $datarray['body'];
+					}
+
+					$datarray['uid'] = $importer_uid;
+					$datarray['contact-id'] = $contact['id'];
+					if($datarray['parent-uri'] === $datarray['uri'])
+						$datarray['private'] = 1;
+					if(($contact['network'] === NETWORK_MAIL) && (! 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($stored_item)
+					);
+					switch ($mailconf[0]['action']) {
+						case 0:
+							break;
+						case 1:
+							logger("Mail: Deleting ".$msg_uid);
+							imap_delete($mbox, $msg_uid, FT_UID);
+							break;
+						case 2:
+							logger("Mail: Mark as seen ".$msg_uid);
+							imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
+							break;
+						case 3:
+							logger("Mail: Moving ".$msg_uid." to ".$mailconf[0]['movetofolder']);
+							imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
+							if ($mailconf[0]['movetofolder'] != "")
+								imap_mail_move($mbox, $msg_uid, $mailconf[0]['movetofolder'], FT_UID);
+							break;
+					}
+				}
+			}
+			imap_close($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'])
+			);
+			return;
+		}
+
+
+		consume_feed($xml,$importer,$contact,$hub,1,1);
+
+
+		// do it twice. Ensures that children of parents which may be later in the stream aren't tossed
+	
+		consume_feed($xml,$importer,$contact,$hub,1,2);
+
+		$hubmode = 'subscribe';
+		if($contact['network'] === NETWORK_DFRN || $contact['blocked'] || $contact['readonly'])
+			$hubmode = 'unsubscribe';
+
+		if((strlen($hub)) && ($hub_update) && ($contact['rel'] != CONTACT_IS_FOLLOWER)) {
+			logger('poller: hub ' . $hubmode . ' : ' . $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,$hubmode);
+				}
+			}
+		}
+	}
+
+	$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'])
+	);
+
+
+	// load current friends if possible.
+
+	if($contact['poco']) {	
+		$r = q("SELECT count(*) as total from glink 
+			where `cid` = %d and updated > UTC_TIMESTAMP() - INTERVAL 1 DAY",
+			intval($contact['id'])
+		);
+	}
+	if(count($r)) {
+		if(! $r[0]['total']) {
+			poco_load($contact['id'],$importer_uid,0,$contact['poco']);
+		}
+	}
+
+	return;
+}
+
+if (array_search(__file__,get_included_files())===0){
+  onepoll_run($argv,$argc);
+  killme();
+}