X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=include%2Fpoller.php;h=3d13a54808d161b8c96ab26fabb790941ff9a701;hb=45c1559b38a54a8280b3339c0b1b30be1d7c473d;hp=8c3110746b8bbbe25b064bcf834ab4f302ffc5f2;hpb=3c0c8a2dc1bdc196c2fb94da52c07c44c9690fd3;p=friendica.git

diff --git a/include/poller.php b/include/poller.php
index 8c3110746b..3d13a54808 100644
--- a/include/poller.php
+++ b/include/poller.php
@@ -1,32 +1,100 @@
 <?php
 
 
-require_once('boot.php');
+	require_once('boot.php');
 
-$a = new App;
+	$a = new App;
 
-@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);
+	@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('session.php');
+	require_once('datetime.php');
+	require_once('simplepie/simplepie.inc');
+	require_once('include/items.php');
+	require_once('include/Contact.php');
 
-if($argc < 2)
-	exit;
+	$a->set_baseurl(get_config('system','url'));
 
-	$a->set_baseurl($argv[1]);
+	logger('poller: start');
 
-	$contacts = q("SELECT * FROM `contact` WHERE `dfrn-id` != '' AND `self` = 0 ORDER BY RAND()");
+	// run queue delivery process in the background
+
+	$php_path = ((x($a->config,'php_path') && strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
+	proc_close(proc_open("\"$php_path\" \"include/queue.php\" &", array(), $foo));
+
+
+	$force = false;
+	if(($argc > 1) && ($argv[1] == 'force'))
+		$force = true;
+
+	// 'stat' clause is a temporary measure until we have federation subscriptions working both directions
+	$contacts = q("SELECT * FROM `contact` 
+		WHERE ( ( `network` = 'dfrn' AND ( `dfrn-id` != '' OR (`issued-id` != '' AND `duplex` = 1)))
+		OR ( `network` = 'stat' AND `poll` != '' ) ) 
+		AND `self` = 0 AND `blocked` = 0 AND `readonly` = 0 ORDER BY RAND()");
 
 	if(! count($contacts))
 		killme();
 
 	foreach($contacts as $contact) {
 
+		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"))
+						$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;
+		}
+
 		$importer_uid = $contact['uid'];
 
 		$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
@@ -37,129 +105,155 @@ if($argc < 2)
 
 		$importer = $r[0];
 
-		$last_update = (($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'));
-
-		$url = $contact['poll'] . '?dfrn_id=' . $contact['dfrn-id'] . '&type=data&last_update=' . $last_update ;
+		logger("poller: poll: IMPORTER: {$importer['name']}, CONTACT: {$contact['name']}");
 
-		$xml = fetch_url($url);
-
-		if(! $xml)
-			continue;
+		$last_update = (($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)
+		);
 
-		$res = simplexml_load_string($xml);
+		if($contact['network'] === 'dfrn') {
 
-		if((intval($res->status) != 0) || (! strlen($res->challenge)) || ($res->dfrn_id != $contact['dfrn-id']))
-			continue;
+			$idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
 
-		$postvars = array();
+			if(intval($contact['duplex']) && $contact['dfrn-id'])
+				$idtosend = '0:' . $orig_id;
+			if(intval($contact['duplex']) && $contact['issued-id'])
+				$idtosend = '1:' . $orig_id;		
 
-		$postvars['dfrn_id'] = $contact['dfrn-id'];
-		$challenge = hex2bin($res->challenge);
+			$url = $contact['poll'] . '?dfrn_id=' . $idtosend 
+				. '&dfrn_version=' . DFRN_PROTOCOL_VERSION 
+				. '&type=data&last_update=' . $last_update ;
+	
+			$xml = fetch_url($url);
 
-		openssl_public_decrypt($challenge,$postvars['challenge'],$contact['pubkey']);
+			logger('poller: handshake with url ' . $url . ' returns xml: ' . $xml, LOGGER_DATA);
 
-		$xml = post_url($contact['poll'],$postvars);
-		if(! strlen($xml))
-			continue;
 
-echo "XML response:" . $xml . "\r\n";
-echo "Length:" . strlen($xml) . "\r\n";
+			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);
 
-		$feed = new SimplePie();
-		$feed->set_raw_data($xml);
-		$feed->enable_order_by_date(false);
-		$feed->init();
-
-		foreach($feed->get_items() as $item) {
-
-			$rawdelete = $item->get_item_tags("http://purl.org/atompub/tombstones/1.0", 'deleted-entry');
-			print_r($rawdelete);
-			if($deleted) {
-				// pick out ref and when from attribs
-				// check hasn't happened already, verify ownership and then process it
+				// 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'])
+				);
 
 				continue;
 			}
 
-			$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_urn = $rawthread[0]['attribs']['']['ref'];
+			if(! strstr($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;
 			}
 
 
-			if($is_reply) {
+			$res = simplexml_load_string($xml);
 
-				// Have we seen it? If not, import it.
+			if(intval($res->status) == 1) {
+				logger("poller: $url replied status 1 - marking for death ");
 
-				$item_id = $item->get_id();
+				// we may not be friends anymore. Will keep trying for one month.
+				// set the last-update so we don't keep polling
 
-				$r = q("SELECT `uid`, `last-child`, `edited` FROM `item` WHERE `remote-id` = '%s' AND `uid` = %d LIMIT 1",
-					dbesc($item_id),
-					intval($importer['uid'])
+				$r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1",
+					dbesc(datetime_convert()),
+					intval($contact['id'])
 				);
-				// 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']) {
-						$r = q("UPDATE `item` SET `last-child` = %d WHERE `remote-id` = '%s' AND `uid` = %d LIMIT 1",
-							intval($allow[0]['data']),
-							dbesc($item_id),
-							intval($importer['uid'])
-						);
-					}
-					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);
 				}
-				$datarray = get_atom_elements($item);
-				$datarray['parent_urn'] = $parent_urn;
-				$datarray['uid'] = $importer['uid'];
-				$datarray['contact-id'] = $importer['id'];
-				$r = post_remote($a,$datarray);
-				continue;
 			}
 
+			if((intval($res->status) != 0) || (! strlen($res->challenge)) || (! strlen($res->dfrn_id)))
+				continue;
+
+			$postvars = array();
+
+			$sent_dfrn_id = hex2bin($res->dfrn_id);
+			$challenge    = hex2bin($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'],$contact['prvkey']);
+			}
 			else {
-				// Head post of a conversation. Have we seen it? If not, import it.
+				openssl_public_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['pubkey']);
+				openssl_public_decrypt($challenge,$postvars['challenge'],$contact['pubkey']);
+			}
 
-				$item_id = $item->get_id();
-				$r = q("SELECT `uid`, `last-child`, `edited` FROM `item` WHERE `remote-id` = '%s' AND `uid` = %d LIMIT 1",
-					dbesc($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']) {
-						$r = q("UPDATE `item` SET `last-child` = %d WHERE `remote-id` = '%s' AND `uid` = %d LIMIT 1",
-							intval($allow[0]['data']),
-							dbesc($item_id),
-							intval($importer['uid'])
-						);
-					}
-					continue;
-				}
+			$final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
 
-				$datarray = get_atom_elements($item);
-				$datarray['parent_urn'] = $item_id;
-				$datarray['uid'] = $importer['uid'];
-				$datarray['contact-id'] = $importer['id'];
-				$r = post_remote($a,$datarray);
-				continue;
+			if(strpos($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;
 			}
 
+			$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 : ' . $xml, LOGGER_DATA);
+
+		if(! strlen($xml))
+			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'])
 		);
 
-	}
+		// loop - next contact
+	}  
 		
 	killme();