Added the ability to create a master code that can delete any image from the server (only for server hosters)

README.md

@@ -6,6 +6,7 @@ PictShare is an multi lingual, open source image hosting service with a simple r
 
 UPDATES
 ========
+- Nov. 06: Master delete code. One code to delete them all
 - Nov. 01: [Restricted uploads and option-use](#restriction-settings)
 - Oct. 30: [Rotations and filters](#smart-query-system)
 
@@ -24,6 +25,7 @@ If you're a blogger like myself, you can use it as storage for your images so th
 - Smart [resize, filter and rotation](#smart-query-system) features
 - Duplicates don't take up space. If the exact same images is uploaded twice, the second upload will link to the first
 - You can control who can upload images or use filters/resizes by defining an [upload-code](#restriction-settings)
+- You can set a code in your ```/inc/config.inc.php``` (MASTER_DELETE_CODE) that, if appended to any URL of an Image, will delete the image and all cached versions of it from the server
 
 ## Smart query system
 PictShare images can be changed after upload just by modifying the URL. It works like this:
@@ -162,6 +164,7 @@ server {
 
 ## Upgrading
 - Just re-download the [PictShare zip](https://github.com/chrisiaut/pictshare/archive/master.zip) file and extract and overwrite existing pictshare files. Uploads and config won't be affected.
+- Check if your ```/inc/config.inc.php``` file has all settings required by the ```/inc/example.config.inc.php``` since new options might get added in new versions
 
 Or use these commands:
 
@@ -178,6 +181,7 @@ rm -rf temp
 - Plugin to upload images with ShareX: https://github.com/ShareX/CustomUploaders/blob/master/pictshare.net.json
 
 ## Coming soon
+- Delete codes for every uploaded image so users can delete images if no longer needed
 - Albums
 - Traffic analysis tool for server admins
 

inc/example.config.inc.php

@@ -1,5 +1,13 @@
 <?php 
 
+//If set, can be added to any image URL to delete the image and all versions of the image
+//Must be longer than 10 characters
+//Usage example:
+// image: https://pictshare.net/b260e36b60.jpg
+// to delete it, access https://pictshare.net/delete_YOURMASTERDELETECODE/b260e36b60.jpg
+// Will render one last time, if refreshed won't be on the server anymore
+define('MASTER_DELETE_CODE', false);
+
 //If set, upload form will only be shown on that location
 //eg: define('UPLOAD_FORM_LOCATION', 'secret/upload'); then the upload form will only be visible
 //from http://your.domain/secret/upload

models/pictsharemodel.php

@@ -57,11 +57,42 @@ class PictshareModel extends Model
 			}
 			else if($el=='forcesize')
 				$data['forcesize'] = true;
+			else if(strlen(MASTER_DELETE_CODE)>10 && $el=='delete_'.MASTER_DELETE_CODE)
+				$data['delete'] = true;
+				
 		}
 		
+		if($data['delete'] && $data['hash'])
+		{
+			$this->deleteImage($data['hash']);
+			return false;
+		}
+			
+		
 		return $data;
 	}
 	
+	function deleteImage($hash)
+    {
+        $base_path = ROOT.DS.'upload'.DS.$hash.DS;
+		if(!is_dir($base_path)) return false;
+		if ($handle = opendir($base_path))
+		{
+			while (false !== ($entry = readdir($handle)))
+			{
+				if ($entry != "." && $entry != "..")
+				{
+					unlink($base_path.$entry);
+				}
+			}
+			closedir($handle);
+		}
+		
+		rmdir($base_path);
+		
+		return true;
+    }
+	
 	function isLegacyThumbnail($val)
 	{
 		if(strpos($val,'_'))