[Pkg-owncloud-commits] [owncloud] 71/394: introduce util.php for file sharing which provides functionallity which is also needed in other places, e.g. the webdav server

[David Prévot]

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taffit pushed a commit to annotated tag v4.5.10
in repository owncloud.

commit 56c8976bacc395c9e97ab41e0d068c97dd28e8a5
Author: Björn Schießle <schiessle at owncloud.com>
Date:   Tue Nov 6 14:39:30 2012 +0100

    introduce util.php for file sharing which provides functionallity which is also needed in other places, e.g. the webdav server
---
 apps/files_sharing/appinfo/app.php |    1 +
 apps/files_sharing/lib/util.php    |   79 ++++++++++++++++++++++++++++++++++++
 2 files changed, 80 insertions(+)

diff --git a/apps/files_sharing/appinfo/app.php b/apps/files_sharing/appinfo/app.php
index 109f86b..bfed426 100644
--- a/apps/files_sharing/appinfo/app.php
+++ b/apps/files_sharing/appinfo/app.php
@@ -3,6 +3,7 @@
 OC::$CLASSPATH['OC_Share_Backend_File'] = "apps/files_sharing/lib/share/file.php";
 OC::$CLASSPATH['OC_Share_Backend_Folder'] = 'apps/files_sharing/lib/share/folder.php';
 OC::$CLASSPATH['OC_Filestorage_Shared'] = "apps/files_sharing/lib/sharedstorage.php";
+OC::$CLASSPATH['OC_Files_Sharing_Util'] = "apps/files_sharing/lib/util.php";
 OCP\Util::connectHook('OC_Filesystem', 'setup', 'OC_Filestorage_Shared', 'setup');
 OCP\Share::registerBackend('file', 'OC_Share_Backend_File');
 OCP\Share::registerBackend('folder', 'OC_Share_Backend_Folder', 'file');
diff --git a/apps/files_sharing/lib/util.php b/apps/files_sharing/lib/util.php
new file mode 100644
index 0000000..84cddb7
--- /dev/null
+++ b/apps/files_sharing/lib/util.php
@@ -0,0 +1,79 @@
+<?php
+/**
+ * ownCloud
+ *
+ * @author Bjoern Schiessle
+ * @copyright 2012 Bjoern Schiessle schiessle at owncloud.com
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU AFFERO GENERAL PUBLIC LICENSE for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public
+ * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+
+class OC_Files_Sharing_Util {
+
+	private static $files = array();
+
+	/**
+	 * @brief Get the source file path and the permissions granted for a shared file
+	 * @param string Shared target file path
+	 * @return Returns array with the keys path and permissions or false if not found
+	 */
+	private function getFile($target) {
+		$target = '/'.$target;
+		$target = rtrim($target, '/');
+		if (isset(self::$files[$target])) {
+			return self::$files[$target];
+		} else {
+			$pos = strpos($target, '/', 1);
+			// Get shared folder name
+			if ($pos !== false) {
+				$folder = substr($target, 0, $pos);
+				if (isset(self::$files[$folder])) {
+					$file = self::$files[$folder];
+				} else {
+					$file = OCP\Share::getItemSharedWith('folder', $folder, OC_Share_Backend_File::FORMAT_SHARED_STORAGE);
+				}
+				if ($file) {
+					self::$files[$target]['path'] = $file['path'].substr($target, strlen($folder));
+					self::$files[$target]['permissions'] = $file['permissions'];
+					return self::$files[$target];
+				}
+			} else {
+				$file = OCP\Share::getItemSharedWith('file', $target, OC_Share_Backend_File::FORMAT_SHARED_STORAGE);
+				if ($file) {
+					self::$files[$target] = $file;
+					return self::$files[$target];
+				}
+			}
+			OCP\Util::writeLog('files_sharing', 'File source not found for: '.$target, OCP\Util::ERROR);
+			return false;
+		}
+	}
+
+	/**
+	 * @brief Get the source file path for a shared file
+	 * @param string Shared target file path
+	 * @return Returns source file path or false if not found
+	 */
+	public static function getSourcePath($target) {
+		$file = self::getFile($target);
+		if (isset($file['path'])) {
+			$uid = substr($file['path'], 1, strpos($file['path'], '/', 1) - 1);
+			OC_Filesystem::mount('OC_Filestorage_Local', array('datadir' => OC_User::getHome($uid)), $uid);
+			return $file['path'];
+		}
+		return false;
+	}
+}
\ No newline at end of file

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