+ logger("wall upload: starting new upload", LOGGER_DEBUG);
+
+ $r_json = (x($_GET,'response') && $_GET['response']=='json');
+
+ if($a->argc > 1) {
+ if(! x($_FILES,'media')) {
+ $nick = $a->argv[1];
+ $r = q("SELECT `user`.*, `contact`.`id` FROM `user` INNER JOIN `contact` on `user`.`uid` = `contact`.`uid` WHERE `user`.`nickname` = '%s' AND `user`.`blocked` = 0 and `contact`.`self` = 1 LIMIT 1",
+ dbesc($nick)
+ );
+
+ if(! count($r)){
+ if ($r_json) {
+ echo json_encode(array('error'=>t('Invalid request.')));
+ killme();
+ }
+ return;
+ }
+ } else {
+ $user_info = api_get_user($a);
+ $r = q("SELECT `user`.*, `contact`.`id` FROM `user` INNER JOIN `contact` on `user`.`uid` = `contact`.`uid` WHERE `user`.`nickname` = '%s' AND `user`.`blocked` = 0 and `contact`.`self` = 1 LIMIT 1",
+ dbesc($user_info['screen_name'])
+ );
+ }
+ } else {
+ if ($r_json) {
+ echo json_encode(array('error'=>t('Invalid request.')));
+ killme();
+ }
+ return;
+ }
+
+ $can_post = false;
+ $visitor = 0;
+
+ $page_owner_uid = $r[0]['uid'];
+ $default_cid = $r[0]['id'];
+ $page_owner_nick = $r[0]['nickname'];
+ $community_page = (($r[0]['page-flags'] == PAGE_COMMUNITY) ? true : false);
+
+ if((local_user()) && (local_user() == $page_owner_uid))
+ $can_post = true;
+ else {
+ if($community_page && remote_user()) {
+ $cid = 0;
+ if(is_array($_SESSION['remote'])) {
+ foreach($_SESSION['remote'] as $v) {
+ if($v['uid'] == $page_owner_uid) {
+ $cid = $v['cid'];
+ break;
+ }
+ }
+ }
+ if($cid) {
+
+ $r = q("SELECT `uid` FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 AND `id` = %d AND `uid` = %d LIMIT 1",
+ intval($cid),
+ intval($page_owner_uid)
+ );
+ if(count($r)) {
+ $can_post = true;
+ $visitor = $cid;
+ }
+ }
+ }
+ }
+
+
+ if(! $can_post) {
+ if ($r_json) {
+ echo json_encode(array('error'=>t('Permission denied.')));
+ killme();
+ }
+ notice( t('Permission denied.') . EOL );
+ killme();
+ }
+
+ if(! x($_FILES,'userfile') && ! x($_FILES,'media')){
+ if ($r_json) {
+ echo json_encode(array('error'=>t('Invalid request.')));
+ }