From 5b8658ca10168e37ca0161586b208d9b54681e7a Mon Sep 17 00:00:00 2001
From: Michael Gapczynski <GapczynskiM@gmail.com>
Date: Wed, 17 Aug 2011 17:43:15 -0400
Subject: [PATCH] New system of unsharing files from self, and a small bug fix
 when all files inside a shared folder are unshared from self

---
 apps/files_sharing/lib_share.php     | 13 +++++++++----
 apps/files_sharing/sharedstorage.php | 22 +++++++++++++---------
 2 files changed, 22 insertions(+), 13 deletions(-)

diff --git a/apps/files_sharing/lib_share.php b/apps/files_sharing/lib_share.php
index a4223a137d..761a4da439 100644
--- a/apps/files_sharing/lib_share.php
+++ b/apps/files_sharing/lib_share.php
@@ -199,7 +199,7 @@ class OC_Share {
 			$folder .= "/";
 		}
 		$length = strlen($folder);
-		$query = OC_DB::prepare("SELECT uid_owner, source, target FROM *PREFIX*sharing WHERE SUBSTR(source, 1, ?) = ? OR SUBSTR(target, 1, ?) = ? AND uid_shared_with ".self::getUsersAndGroups());
+		$query = OC_DB::prepare("SELECT uid_owner, source, target, permissions FROM *PREFIX*sharing WHERE SUBSTR(source, 1, ?) = ? OR SUBSTR(target, 1, ?) = ? AND uid_shared_with ".self::getUsersAndGroups());
 		return $query->execute(array($length, $folder, $length, $folder))->fetchAll();
 	}
 	
@@ -362,10 +362,15 @@ class OC_Share {
 	*
 	* @param $target The target location of the item
 	*/
-	public static function unshareFromMySelf($target) {
+	public static function unshareFromMySelf($target, $delete = true) {
 		$target = self::cleanPath($target);
-		$query = OC_DB::prepare("DELETE FROM *PREFIX*sharing WHERE SUBSTR(target, 1, ?) = ? AND uid_shared_with ".self::getUsersAndGroups());
-		$query->execute(array(strlen($target), $target));
+		if ($delete) {
+			$query = OC_DB::prepare("DELETE FROM *PREFIX*sharing WHERE SUBSTR(target, 1, ?) = ? AND uid_shared_with ".self::getUsersAndGroups());
+			$query->execute(array(strlen($target), $target));
+		} else {
+			$query = OC_DB::prepare("UPDATE *PREFIX*sharing SET permissions = ? WHERE SUBSTR(target, 1, ?) = ? AND uid_shared_with ".self::getUsersAndGroups());
+			$query->execute(array(-1, strlen($target), $target));
+		}
 	}
 
 	/**
diff --git a/apps/files_sharing/sharedstorage.php b/apps/files_sharing/sharedstorage.php
index 38f8f3e9eb..fc7b7ddc9c 100644
--- a/apps/files_sharing/sharedstorage.php
+++ b/apps/files_sharing/sharedstorage.php
@@ -111,19 +111,22 @@ class OC_Filestorage_Shared extends OC_Filestorage {
 					$targets = array();
 					foreach ($modifiedItems as $item) {
 						// If the item is in the current directory and has a different name than the source, add it to the arrays
-						if (dirname($item['target']) == $path && basename($item['source']) != basename($item['target'])) {
-							$sources[] = basename($item['source']);
-							$targets[] = basename($item['target']);
-						// If the item was unshared from self, add it it to the arrays
-						} elseif ($item['target'] == "/") {
-							$sources[] = basename($item['source']);
-							$targets[] = "";
+						if (dirname($item['target']) == $path) {
+							// If the item was unshared from self, add it it to the arrays
+							if ($item['permissions'] == -1) {
+								$sources[] = basename($item['source']);
+								$targets[] = "";
+							} else {
+								$sources[] = basename($item['source']);
+								$targets[] = basename($item['target']);
+							}
 						}
 					}
 					// Don't waste time if there aren't any modified items in the current directory
 					if (empty($sources)) {
 						return $dh;
 					} else {
+						$files = array();
 						while (($filename = readdir($dh)) !== false) {
 							if ($filename != "." && $filename != "..") {
 								// If the file isn't in the sources array it isn't modified and can be added as is
@@ -402,9 +405,10 @@ class OC_Filestorage_Shared extends OC_Filestorage {
 		if (OC_Share::getParentFolders($target)) {
 			// If entry for item already exists
 			if (OC_Share::getItem($target)) {
-				OC_Share::setTarget($target, "/");
+				OC_Share::unshareFromMySelf($target, false);
 			} else {
-				OC_Share::pullOutOfFolder($target, "/");
+				OC_Share::pullOutOfFolder($target, $target);
+				OC_Share::unshareFromMySelf($target, false);
 			}
 		// Delete the database entry
 		} else {