Public exposure warning on affected network group pages. config-able so a plugin can shut it up.

boot.php

@@ -2,7 +2,7 @@
 
 set_time_limit(0);
 
-define ( 'FRIENDIKA_VERSION',      '2.1.936' );
+define ( 'FRIENDIKA_VERSION',      '2.1.938' );
 define ( 'DFRN_PROTOCOL_VERSION',  '2.2'  );
 define ( 'DB_UPDATE_VERSION',      1046   );
 
@@ -2022,7 +2022,7 @@ function contact_block() {
 			intval($shown)
 	);
 	if(count($r)) {
-		$o .= '<h4 class="contact-h4">' .  sprintf(tt('%d Contact','%d Contacts', $total),$total) . '</h4><div id="contact-block">';
+		$o .= '<h4 class="contact-h4">' .  sprintf( tt('%d Contact','%d Contacts', $total),$total) . '</h4><div id="contact-block">';
 		foreach($r as $rr) {
 			$redirect_url = $a->get_baseurl() . '/redir/' . $rr['id'];
 			if(local_user() && ($rr['uid'] == local_user())

include/group.php

@@ -110,7 +110,7 @@ function group_get_members($gid) {
 			LEFT JOIN `contact` ON `contact`.`id` = `group_member`.`contact-id` 
 			WHERE `gid` = %d AND `group_member`.`uid` = %d",
 			intval($gid),
-			intval($_SESSION['uid'])
+			intval(local_user())
 		);
 		if(count($r))
 			$ret = $r;
@@ -118,6 +118,21 @@ function group_get_members($gid) {
 	return $ret;
 }
 
+function group_public_members($gid) {
+	$ret = 0;
+	if(intval($gid)) {
+		$r = q("SELECT `contact`.`id` AS `contact-id` FROM `group_member` 
+			LEFT JOIN `contact` ON `contact`.`id` = `group_member`.`contact-id` 
+			WHERE `gid` = %d AND `group_member`.`uid` = %d AND `contact`.`network` != 'dfrn' ",
+			intval($gid),
+			intval(local_user())
+		);		
+		if(count($r))
+			$ret = count($r);
+	}
+	return $ret;
+}
+
 
 
 function group_side($every="contacts",$each="group") {

index.php

@@ -42,10 +42,6 @@ if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
 } else {
 	$lang = ((isset($a->config['system']['language'])) ? $a->config['system']['language'] : 'en');
 }
-if(x($_POST,'system_language'))
-if(x($_SESSION,'language'))
-	$lang = $_SESSION['language'];
-
 
 	
 load_translation_table($lang);

mod/network.php

@@ -54,6 +54,14 @@ function network_content(&$a, $update = 0) {
 	}
 
 	if(! $update) {
+		if(group) {
+			if(($t = group_public_members($group)) && (! get_pconfig(local_user(),'system','nowarn_insecure'))) {
+				$plural_form = sprintf( tt('%d member', '%d members', $t), $t);
+				notice( sprintf( t('Warning: This group contains %s from an insecure network.'), $plural_form ) . EOL);
+				notice( t('Private messages to this group are at risk of public disclosure.') . EOL);
+			}
+		}
+
 		$o .= '<script>	$(document).ready(function() { $(\'#nav-network-link\').addClass(\'nav-selected\'); });</script>';
 
 		$_SESSION['return_url'] = $a->cmd;