Suggest appropriate filename when saving a generated preview image. F…

…ixes #105.

build/index.php

@@ -2941,6 +2941,9 @@ public static function highlight_context($query, $context)
 
 			$filepath = $env->storage_prefix . $pageindex->{$env->page}->uploadedfilepath;
 			$mime_type = $pageindex->{$env->page}->uploadedfilemime;
+			$shortFilename = substr($filepath, 1 + (strrpos($filepath, '/') !== false ? strrpos($filepath, '/') : -1));
+
+			header("content-disposition: inline; filename=\"$shortFilename\"");
 
 			// If the size is set or original, then send (or redirect to) the original image
 			// Also do the same for SVGs if svg rendering is disabled.

module_index.json

@@ -77,7 +77,7 @@
         "author": "Starbeamrainbowlabs",
         "description": "Adds the ability to upload files to Pepperminty Wiki. Uploaded files act as pages and have the special 'File\/' prefix.",
         "id": "feature-upload",
-        "lastupdate": 1472230366,
+        "lastupdate": 1473613885,
         "optional": false
     },
     {

modules/feature-upload.php

@@ -245,6 +245,9 @@
 
 			$filepath = $env->storage_prefix . $pageindex->{$env->page}->uploadedfilepath;
 			$mime_type = $pageindex->{$env->page}->uploadedfilemime;
+			$shortFilename = substr($filepath, 1 + (strrpos($filepath, '/') !== false ? strrpos($filepath, '/') : -1));
+
+			header("content-disposition: inline; filename=\"$shortFilename\"");
 
 			// If the size is set or original, then send (or redirect to) the original image
 			// Also do the same for SVGs if svg rendering is disabled.