X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=mod%2Fpubsub.php;h=3d8bfca48e39a5db21e6384b2897cf5c31877530;hb=6b8585d48d67d109102e33a32311d76a45762667;hp=65705069af126b01b6e2500948e63a6a2c1a5c63;hpb=465ba71b584ad596729c23717226a9bdeb896553;p=friendica.git

diff --git a/mod/pubsub.php b/mod/pubsub.php
index 65705069af..3d8bfca48e 100644
--- a/mod/pubsub.php
+++ b/mod/pubsub.php
@@ -29,63 +29,90 @@ function hub_post_return() {
 function pubsub_init(&$a) {
 
 	$nick       = (($a->argc > 1) ? notags(trim($a->argv[1])) : '');
-	$contact_id = (($a->argc > 2) ? intval($a->argv[2]) : 0);
+	$contact_id = (($a->argc > 2) ? intval($a->argv[2])       : 0 );
 
 	if($_SERVER['REQUEST_METHOD'] === 'GET') {
 
-		$hub_mode = notags(trim($_GET['hub.mode']));
-		$hub_topic = notags(trim($_GET['hub.topic']));
-		$hub_challenge = notags(trim($_GET['hub.challenge']));
-		$hub_lease = notags(trim($_GET['hub.lease_seconds']));
-		$hub_verify = notags(trim($_GET['hub.verify_token']));
+		$hub_mode      = ((x($_GET,'hub_mode'))          ? notags(trim($_GET['hub_mode']))          : '');
+		$hub_topic     = ((x($_GET,'hub_topic'))         ? notags(trim($_GET['hub_topic']))         : '');
+		$hub_challenge = ((x($_GET,'hub_challenge'))     ? notags(trim($_GET['hub_challenge']))     : '');
+		$hub_lease     = ((x($_GET,'hub_lease_seconds')) ? notags(trim($_GET['hub_lease_seconds'])) : '');
+		$hub_verify    = ((x($_GET,'hub_verify_token'))  ? notags(trim($_GET['hub_verify_token']))  : '');
+
+		logger('pubsub: Subscription from ' . $_SERVER['REMOTE_ADDR']);
+		logger('pubsub: data: ' . print_r($_GET,true), LOGGER_DATA);
 
 		$subscribe = (($hub_mode === 'subscribe') ? 1 : 0);
 
-		$r = q("SELECT * FROM `user` WHERE `nickname` = '%s' LIMIT 1",
+		$r = q("SELECT * FROM `user` WHERE `nickname` = '%s' AND `account_expired` = 0 AND `account_removed` = 0 LIMIT 1",
 			dbesc($nick)
 		);
-		if(! count($r))
+		if(! count($r)) {
+			logger('pubsub: local account not found: ' . $nick);
 			hub_return(false, '');
+		}
+
 
 		$owner = $r[0];
 
 		$sql_extra = ((strlen($hub_verify)) ? sprintf(" AND `hub-verify` = '%s' ", dbesc($hub_verify)) : '');
 
-		$r = q("SELECT * FROM `contact` WHERE `poll` = '%s' AND `id` = %d AND `uid` = %d AND `blocked` = 0 $sql_extra LIMIT 1",
-			dbesc($hub_topic),
+		$r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d 
+			AND `blocked` = 0 AND `pending` = 0 $sql_extra LIMIT 1",
 			intval($contact_id),
 			intval($owner['uid'])
 		);
-		if(! count($r))
+		if(! count($r)) {
+			logger('pubsub: contact not found.');
 			hub_return(false, '');
+		}
+
+		if(! link_compare($hub_topic,$r[0]['poll'])) {
+			logger('pubsub: hub topic ' . $hub_topic . ' != ' . $r[0]['poll']);
+			// should abort but let's humour them. 			
+		}
 
 		$contact = $r[0];
 
 		// We must initiate an unsubscribe request with a verify_token. 
 		// Don't allow outsiders to unsubscribe us.
 
-		if(($hub_mode === 'unsubscribe') && (! strlen($hub_verify))) 
-			hub_return(false, '');
+		if($hub_mode === 'unsubscribe') {
+			if(! strlen($hub_verify)) {
+				logger('pubsub: bogus unsubscribe');
+				hub_return(false, '');
+			}
+			logger('pubsub: unsubscribe success');
+		}
 
-		$r = q("UPDATE `contact` SET `usehub` = %d WHERE `id` = %d LIMIT 1",
+		$r = q("UPDATE `contact` SET `subhub` = %d WHERE `id` = %d",
 			intval($subscribe),
 			intval($contact['id'])
 		);
 
  		hub_return(true, $hub_challenge);
-		
 	}
 }
 
+require_once('include/security.php');
 
 function pubsub_post(&$a) {
 
 	$xml = file_get_contents('php://input');
 
+	logger('pubsub: feed arrived from ' . $_SERVER['REMOTE_ADDR'] . ' for ' .  $a->cmd );
+	logger('pubsub: user-agent: ' . $_SERVER['HTTP_USER_AGENT'] );
+	logger('pubsub: data: ' . $xml, LOGGER_DATA);
+
+//	if(! stristr($xml,'<?xml')) {
+//		logger('pubsub_post: bad xml');
+//		hub_post_return();
+//	}
+
 	$nick       = (($a->argc > 1) ? notags(trim($a->argv[1])) : '');
-	$contact_id = (($a->argc > 2) ? intval($a->argv[2]) : 0);
+	$contact_id = (($a->argc > 2) ? intval($a->argv[2])       : 0 );
 
-	$r = q("SELECT * FROM `user` WHERE `nickname` = '%s' LIMIT 1",
+	$r = q("SELECT * FROM `user` WHERE `nickname` = '%s' AND `account_expired` = 0 AND `account_removed` = 0 LIMIT 1",
 		dbesc($nick)
 	);
 	if(! count($r))
@@ -93,16 +120,37 @@ function pubsub_post(&$a) {
 
 	$importer = $r[0];
 
-	$r = q("SELECT * FROM `contact` WHERE `usehub` = 1 AND `id` = %d AND `uid` = %d AND `blocked` = 0 LIMIT 1",
+	$r = q("SELECT * FROM `contact` WHERE `subhub` = 1 AND `id` = %d AND `uid` = %d 
+		AND ( `rel` = %d OR `rel` = %d OR network = '%s' ) AND `blocked` = 0 AND `readonly` = 0 LIMIT 1",
 		intval($contact_id),
-		intval($importer['uid'])
+		intval($importer['uid']),
+		intval(CONTACT_IS_SHARING),
+		intval(CONTACT_IS_FRIEND),
+		dbesc(NETWORK_FEED)
 	);
-	if(! count($r))
+
+	if(! count($r)) {
+		logger('pubsub: no contact record - ignored');
 		hub_post_return();
+	}
 
 	$contact = $r[0];
 
-	consume_feed($xml,$importer,$contact);
+	// we have no way to match Diaspora guid's with atom post id's and could get duplicates.
+	// we'll assume that direct delivery is robust (and this is a bad assumption, but the duplicates are messy).
+
+	if($r[0]['network'] === NETWORK_DIASPORA)
+		hub_post_return();
+
+	$feedhub = '';
+
+	require_once('include/items.php');
+
+	consume_feed($xml,$importer,$contact,$feedhub,1,1);
+
+	// do it a second time so that any children find their parents.
+
+	consume_feed($xml,$importer,$contact,$feedhub,1,2);
 
 	hub_post_return();