provide the site blacklist everywhere it is needed

include/diaspora.php

@@ -106,6 +106,26 @@ function diaspora_dispatch($importer,$msg,$attempt=1) {
 	return $ret;
 }
 
+
+function diaspora_is_blacklisted($s) {
+
+	$bl1 = get_config('system','blacklisted_sites');
+	if(is_array($bl1) && $bl1) {
+		foreach($bl1 as $bl) {
+			if($bl && strpos($s,$bl) !== false) {
+				logger('diaspora_is_blacklisted: blacklisted ' . $s);
+				return true;
+			}
+		}
+	}
+	return false;
+}
+
+
+
+
+
+
 function diaspora_handle_from_contact($contact_id) {
 	$handle = false;
 
@@ -122,6 +142,10 @@ function diaspora_handle_from_contact($contact_id) {
 }
 
 function diaspora_get_contact_by_handle($uid,$handle) {
+
+	if(diaspora_is_blacklisted($handle))
+		return false;
+
 	$r = q("SELECT * FROM abook left join xchan on xchan_hash = abook_xchan where xchan_addr = '%s' and abook_channel = %d limit 1",
 		dbesc($handle),
 		intval($uid)
@@ -140,6 +164,8 @@ function find_diaspora_person_by_handle($handle) {
 	$endlessloop = 0;
 	$maxloops = 10;
 
+	if(diaspora_is_blacklisted($handle))
+		return false;
 
 	$r = q("select * from xchan where xchan_addr = '%s' limit 1",
 		dbesc($handle)

include/externals.php

@@ -41,7 +41,7 @@ function externals_run($argv, $argc){
 		$bl1 = get_config('system','blacklisted_sites');
 		if(is_array($bl1) && $bl1) {
 			foreach($bl1 as $bl) {
-				if(strpos($url,$bl) !== false) {
+				if($bl && strpos($url,$bl) !== false) {
 					$blacklisted = true;
 					break;
 				}

include/zot.php

@@ -507,6 +507,22 @@ function zot_refresh($them,$channel = null, $force = false) {
 function zot_gethub($arr) {
 
 	if($arr['guid'] && $arr['guid_sig'] && $arr['url'] && $arr['url_sig']) {
+
+		$blacklisted = false;
+		$bl1 = get_config('system','blacklisted_sites');
+		if(is_array($bl1) && $bl1) {
+			foreach($bl1 as $bl) {
+				if($bl && strpos($arr['url'],$bl) !== false) {
+					$blacklisted = true;
+					break;
+				}
+			}
+		}
+		if($blacklisted) {
+			logger('zot_gethub: blacklisted site: ' . $arr['url']);
+			return null;
+		}
+
 		$r = q("select * from hubloc 
 				where hubloc_guid = '%s' and hubloc_guid_sig = '%s' 
 				and hubloc_url = '%s' and hubloc_url_sig = '%s'