fix ability for file storage creators (visitors) to be able to delete their own content

Zotlabs/Module/Filestorage.php

@@ -5,6 +5,8 @@ namespace Zotlabs\Module;
  *
  */
 
+
+
 class Filestorage extends \Zotlabs\Web\Controller {
 
 	function post() {
@@ -71,14 +73,6 @@ class Filestorage extends \Zotlabs\Web\Controller {
 			return;
 		}
 
-		// Since we have ACL'd files in the wild, but don't have ACL here yet, we
-		// need to return for anyone other than the owner, despite the perms check for now.
-
-		$is_owner = (((local_channel()) && ($owner  == local_channel())) ? true : false);
-		if(! ($is_owner || is_site_admin())){
-			info( t('Permission Denied.') . EOL );
-			return;
-		}
 
 		if(argc() > 3 && argv(3) === 'delete') {
 
@@ -101,18 +95,31 @@ class Filestorage extends \Zotlabs\Web\Controller {
 			}
 
 			$file = intval(argv(2));
-			$r = q("SELECT hash FROM attach WHERE id = %d AND uid = %d LIMIT 1",
+			$r = q("SELECT hash, creator FROM attach WHERE id = %d AND uid = %d LIMIT 1",
 				dbesc($file),
 				intval($owner)
 			);
 			if(! $r) {
+				notice( t('File not found.') . EOL);
+
 				if($json_return) 
 					json_return_and_die([ 'success' => false ]);
 
-				notice( t('File not found.') . EOL);
 				goaway(z_root() . '/cloud/' . $which);
 			}
 
+			if(local_channel() !== $owner) {
+				if($r[0]['creator'] && $r[0]['creator'] !== $ob_hash) {
+					notice( t('Permission denied.') . EOL);
+
+					if($json_return) 
+						json_return_and_die([ 'success' => false ]);
+
+					goaway(z_root() . '/cloud/' . $which);
+				}
+			}
+
+
 			$f = $r[0];
 
 			$channel = channelx_by_n($owner);
@@ -134,6 +141,19 @@ class Filestorage extends \Zotlabs\Web\Controller {
 			goaway(dirname($url));
 		}
 
+
+
+
+		// Since we have ACL'd files in the wild, but don't have ACL here yet, we
+		// need to return for anyone other than the owner, despite the perms check for now.
+
+		$is_owner = (((local_channel()) && ($owner  == local_channel())) ? true : false);
+		if(! ($is_owner || is_site_admin())){
+			info( t('Permission Denied.') . EOL );
+			return;
+		}
+
+
 		if(argc() > 3 && argv(3) === 'edit') {
 			require_once('include/acl_selectors.php');
 			if(! $perms['write_storage']) {

Zotlabs/Storage/Browser.php

@@ -205,18 +205,22 @@ class Browser extends DAV\Browser\Plugin {
 			// upload access. system.thumbnail_security should be set to 1 if you want to include these 
 			// types 
 
+			$is_creator = false;
 			$photo_icon = '';
 			$preview_style = intval(get_config('system','thumbnail_security',0));
 
-			$r = q("select content from attach where hash = '%s' and uid = %d limit 1",
+			$r = q("select content, creator from attach where hash = '%s' and uid = %d limit 1",
 				dbesc($attachHash),
 				intval($owner)
 			);
 
-			if($r && file_exists(dbunescbin($r[0]['content']) . '.thumb')) {
+			if($r) {
+				$is_creator = (($r[0]['creator'] === get_observer_hash()) ? true : false);
+			 	if(file_exists(dbunescbin($r[0]['content']) . '.thumb')) {
 					$photo_icon = 'data:image/jpeg;base64,' . base64_encode(file_get_contents(dbunescbin($r[0]['content']) . '.thumb'));
 //					logger('found thumb: ' . $photo_icon);
 				}
+			}
 
 			if(strpos($type,'image/') === 0 && $attachHash) {
 				$r = q("select resource_id, imgscale from photo where resource_id = '%s' and imgscale in ( %d, %d ) order by imgscale asc limit 1",
@@ -247,6 +251,7 @@ class Browser extends DAV\Browser\Plugin {
 			$ft['attachIcon'] = (($size) ? $attachIcon : '');
 			// @todo Should this be an item value, not a global one?
 			$ft['is_owner'] = $is_owner;
+			$ft['is_creator'] = $is_creator;
 			$ft['fullPath'] = $fullPath;
 			$ft['displayName'] = $displayName;
 			$ft['type'] = $type;
@@ -256,6 +261,8 @@ class Browser extends DAV\Browser\Plugin {
 			$ft['iconFromType'] = getIconFromType($type);
 
 			$f[] = $ft;
+logger('f:' . print_r($ft,true));
+
 		}
 
 

view/tpl/cloud_directory.tpl

@@ -68,7 +68,7 @@
 			<td class="cloud-index-tool"><a href="#" title="{{$delete}}" onclick="dropItem('{{$item.fileStorageUrl}}/{{$item.attachId}}/delete/json', '#cloud-index-{{$item.attachId}},#cloud-tools-{{$item.attachId}}'); return false;"><i class="fa fa-trash-o drop-icons"></i></a></td>
 
 	{{else}}
-			<td></td><td></td><td></td>{{if $is_admin}}<td class="cloud-index-tool"><a href="#" title="{{$admin_delete}}" onclick="dropItem('{{$item.fileStorageUrl}}/{{$item.attachId}}/delete/json', '#cloud-index-{{$item.attachId}},#cloud-tools-{{$item.attachId}}'); return false;"><i class="fa fa-trash-o drop-icons"></i></a>{{else}}<td>{{/if}}</td>
+			<td></td><td></td><td></td>{{if $is_admin || $item.is_creator}}<td class="cloud-index-tool"><a href="#" title="{{if $is_admin}}{{$admin_delete}}{{else}}{{$delete}}{{/if}}" onclick="dropItem('{{$item.fileStorageUrl}}/{{$item.attachId}}/delete/json', '#cloud-index-{{$item.attachId}},#cloud-tools-{{$item.attachId}}'); return false;"><i class="fa fa-trash-o drop-icons"></i></a>{{else}}<td>{{/if}}</td>
 	{{/if}}
 			<td>{{*{{$item.type}}*}}</td>
 			<td class="d-none d-md-table-cell">{{$item.sizeFormatted}}</td>