X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=include%2Fpoller.php;h=a093190a60e9b1f02784f5f6b288e404938ca119;hb=4a14e51e25c58d5a81b68798f2340c6196dec8ea;hp=c7108d13c0bc5059a801a4bc6902ef945eeb8bc0;hpb=557ebe4700c477aeba043594f7b929b1129be191;p=friendica.git

diff --git a/include/poller.php b/include/poller.php
index c7108d13c0..a093190a60 100644
--- a/include/poller.php
+++ b/include/poller.php
@@ -1,196 +1,310 @@
 <?php
+require_once("boot.php");
 
+function poller_run($argv, $argc){
+	global $a, $db;
 
-require_once('boot.php');
+	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('session.php');
+	require_once('datetime.php');
+	require_once('simplepie/simplepie.inc');
+	require_once('include/items.php');
+	require_once('include/Contact.php');
+
+	$a->set_baseurl(get_config('system','url'));
+
+	logger('poller: start');
+	
+	// run queue delivery process in the background
+
+	proc_run('php',"include/queue.php");
+	
+	// clear old cache
+	q("DELETE FROM `cache` WHERE `updated` < '%s'",
+		dbesc(datetime_convert('UTC','UTC',"now - 30 days")));
+
+	$manual_id  = 0;
+	$hub_update = false;
+	$force      = false;
+
+	if(($argc > 1) && ($argv[1] == 'force'))
+		$force = true;
+
+	if(($argc > 1) && intval($argv[1])) {
+		$manual_id = intval($argv[1]);
+		$force     = true;
+	}
 
-$a = new App;
+	$sql_extra = (($manual_id) ? " AND `id` = $manual_id " : "");
 
-@include('.htconfig.php');
-require_once('dba.php');
-$db = new dba($db_host, $db_user, $db_pass, $db_data, $install);
-	unset($db_host, $db_user, $db_pass, $db_data);
+	$d = datetime_convert();
+	call_hooks('cron', $d);
 
-require_once('session.php');
-require_once('datetime.php');
-require_once('simplepie/simplepie.inc');
-require_once('include/items.php');
+	reload_plugins();
 
-if($argc < 2)
-	exit;
+	$contacts = q("SELECT `id` FROM `contact` 
+		WHERE ( `rel` = %d OR `rel` = %d ) AND `poll` != ''
+		$sql_extra 
+		AND `self` = 0 AND `blocked` = 0 AND `readonly` = 0 ORDER BY RAND()",
+		intval(REL_FAN),
+		intval(REL_BUD)
+	);
 
-	$a->set_baseurl($argv[1]);
+	if(! count($contacts)) {
+		return;
+	}
 
-	$contacts = q("SELECT * FROM `contact` WHERE `dfrn-id` != '' AND `self` = 0 ORDER BY RAND()");
+	foreach($contacts as $c) {
 
-	if(! count($contacts))
-		killme();
+		$res = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
+			intval($c['id'])
+		);
 
-	foreach($contacts as $contact) {
+		if(! count($res))
+			continue;
 
-		$importer_uid = $contact['uid'];
+		foreach($res as $contact) {
+			if($manual_id)
+				$contact['last-update'] = '0000-00-00 00:00:00';
 
-		$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
-			intval($importer_uid)
-		);
-		if(! count($r))
-			continue;
+			if($contact['priority'] || $contact['subhub']) {
 
-		$importer = $r[0];
+				$hub_update = true;
+				$update     = false;
 
-		$last_update = (($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'));
+				$t = $contact['last-update'];
 
-		$url = $contact['poll'] . '?dfrn_id=' . $contact['dfrn-id'] . '&type=data&last_update=' . $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'. 
 
-		$xml = fetch_url($url);
 
-		if(! $xml)
-			continue;
+				if($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;
+				}
 
-		$res = simplexml_load_string($xml);
+				/**
+				 * 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((intval($res->status) != 0) || (! strlen($res->challenge)) || ($res->dfrn_id != $contact['dfrn-id']))
-			continue;
+			$importer_uid = $contact['uid'];
+		
+			$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
+				intval($importer_uid)
+			);
+			if(! count($r))
+				continue;
 
-		$postvars = array();
+			$importer = $r[0];
 
-		$postvars['dfrn_id'] = $contact['dfrn-id'];
-		$challenge = hex2bin($res->challenge);
+			logger("poller: poll: IMPORTER: {$importer['name']}, CONTACT: {$contact['name']}");
 
-		openssl_public_decrypt($challenge,$postvars['challenge'],$contact['pubkey']);
+			$last_update = (($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)
+			);
 
-		$xml = post_url($contact['poll'],$postvars);
-		if(! strlen($xml))
-			continue;
+			if($contact['network'] === 'dfrn') {
 
-echo "XML response:" . $xml . "\r\n";
-echo "Length:" . strlen($xml) . "\r\n";
+				$idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
 
-		$feed = new SimplePie();
-		$feed->set_raw_data($xml);
-		$feed->enable_order_by_date(false);
-		$feed->init();
+				if(intval($contact['duplex']) && $contact['dfrn-id'])
+					$idtosend = '0:' . $orig_id;
+				if(intval($contact['duplex']) && $contact['issued-id'])
+					$idtosend = '1:' . $orig_id;		
 
-		foreach($feed->get_items() as $item) {
+				$url = $contact['poll'] . '?dfrn_id=' . $idtosend 
+					. '&dfrn_version=' . DFRN_PROTOCOL_VERSION 
+					. '&type=data&last_update=' . $last_update ;
+	
+				$xml = fetch_url($url);
 
-			$deleted = false;
+				logger('poller: handshake with url ' . $url . ' returns xml: ' . $xml, LOGGER_DATA);
 
-			$rawdelete = $item->get_item_tags("http://purl.org/atompub/tombstones/1.0", 'deleted-entry');
-			if(isset($rawdelete[0]['attribs']['']['ref'])) {
-				$uri = $rawthread[0]['attribs']['']['ref'];
-				$deleted = true;
-				if(isset($rawdelete[0]['attribs']['']['when'])) {
-					$when = $rawthread[0]['attribs']['']['when'];
-					$when = datetime_convert('UTC','UTC', $when, 'Y-m-d H:i:s');
-				}
-				else
-					$when = datetime_convert('UTC','UTC','now','Y-m-d H:i:s');
-			}
-			if($deleted) {
-				$r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
-					dbesc($uri),
-					intval($importer['uid'])
-				);
-				if(count($r)) {
-					if($r[0]['uri'] == $r[0]['parent-uri']) {
-						$r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s'
-							WHERE `parent-uri` = '%s'"
-							dbesc($when),
-							dbesc($r[0]['uri'])
-						);
-					}
-					else {
-						$r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s' 
-							WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
-							dbesc($when),
-							dbesc($uri),
-							intval($importer['uid'])
-						);
-					}
-				}	
-				continue;
-			}
 
+				if(! $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);
 
-			$is_reply = false;		
-			$item_id = $item->get_id();
-			$rawthread = $item->get_item_tags("http://purl.org/syndication/thread/1.0",'in-reply-to');
-			if(isset($rawthread[0]['attribs']['']['ref'])) {
-				$is_reply = true;
-				$parent_uri = $rawthread[0]['attribs']['']['ref'];
-			}
+					// 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'])
+					);
 
-			if($is_reply) {
+					continue;
+				}
 
-				// Have we seen it? If not, import it.
+				if(! strstr($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;
+				}
 
-				$item_id = $item->get_id();
 
-				$r = q("SELECT `uid`, `last-child`, `edited` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
-					dbesc($item_id),
-					intval($importer['uid'])
-				);
-				// FIXME update content if 'updated' changes
-				if(count($r)) {
-					$allow = $item->get_item_tags('http://purl.org/macgirvin/dfrn/1.0','comment-allow');
-					if($allow && $allow[0]['data'] != $r[0]['last-child']) {
-						$r = q("UPDATE `item` SET `last-child` = %d WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
-							intval($allow[0]['data']),
-							dbesc($item_id),
-							intval($importer['uid'])
-						);
+				$res = simplexml_load_string($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)))
 					continue;
+
+				$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']);
 				}
-				$datarray = get_atom_elements($item);
-				$datarray['parent-uri'] = $parent_uri;
-				$datarray['uid'] = $importer['uid'];
-				$datarray['contact-id'] = $contact['id'];
-				$r = post_remote($a,$datarray);
-				continue;
-			}
 
-			else {
-				// Head post of a conversation. Have we seen it? If not, import it.
+				$final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
 
-				$item_id = $item->get_id();
-				$r = q("SELECT `uid`, `last-child`, `edited` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
-					dbesc($item_id),
-					intval($importer['uid'])
-				);
-				if(count($r)) {
-					$allow = $item->get_item_tags('http://purl.org/macgirvin/dfrn/1.0','comment-allow');
-					if($allow && $allow[0]['data'] != $r[0]['last-child']) {
-						$r = q("UPDATE `item` SET `last-child` = %d WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
-							intval($allow[0]['data']),
-							dbesc($item_id),
-							intval($importer['uid'])
-						);
-					}
+				if(strpos($final_dfrn_id,':') == 1)
+					$final_dfrn_id = substr($final_dfrn_id,2);
+
+				if($final_dfrn_id != $orig_id) {
+	
+					// did not decode properly - cannot trust this site 
 					continue;
 				}
 
-				$datarray = get_atom_elements($item);
-				$datarray['parent-uri'] = $item_id;
-				$datarray['uid'] = $importer['uid'];
-				$datarray['contact-id'] = $contact['id'];
-				$r = post_remote($a,$datarray);
+				$postvars['dfrn_id'] = $idtosend;
+				$postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
+
+				$xml = post_url($contact['poll'],$postvars);
+			}
+			else {
+
+				// $contact['network'] !== 'dfrn'
+
+				$xml = fetch_url($contact['poll']);
+			}
+
+			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);
+
+			// 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) 
+				&& (($contact['rel'] == REL_BUD) || (($contact['network'] === 'stat') && (! $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);
+					}
+				}
 			}
 
-		}
 
-		$r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1",
-			dbesc(datetime_convert()),
-			intval($contact['id'])
-		);
+			$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
+		}
 	}
 		
-	killme();
-
-
+	return;
+}
 
+if (array_search(__file__,get_included_files())===0){
+  poller_run($argv,$argc);
+  killme();
+}