Audit: Log sharing actions

apps/admin_audit/appinfo/app.php

@@ -12,3 +12,7 @@ OCP\Util::connectHook(OC_Filesystem::CLASSNAME, OC_Filesystem::signal_copy, 'OC_
 OCP\Util::connectHook(OC_Filesystem::CLASSNAME, OC_Filesystem::signal_write, 'OC_Admin_Audit_Hooks_Handlers', 'write');
 OCP\Util::connectHook(OC_Filesystem::CLASSNAME, OC_Filesystem::signal_read, 'OC_Admin_Audit_Hooks_Handlers', 'read');
 OCP\Util::connectHook(OC_Filesystem::CLASSNAME, OC_Filesystem::signal_delete, 'OC_Admin_Audit_Hooks_Handlers', 'delete');
+
+OCP\Util::connectHook('OC_Share', 'public', 'OC_Admin_Audit_Hooks_Handlers', 'share_public');
+OCP\Util::connectHook('OC_Share', 'public-download', 'OC_Admin_Audit_Hooks_Handlers', 'share_public_download');
+OCP\Util::connectHook('OC_Share', 'user', 'OC_Admin_Audit_Hooks_Handlers', 'share_user');

apps/admin_audit/lib/hooks_handlers.php

@@ -46,6 +46,26 @@ class OC_Admin_Audit_Hooks_Handlers {
 		$user = OCP\User::getUser();
 		self::log('Delete "'.$path.'" by '.$user);
 	}
+	static public function share_public($params) {
+		$path = $params['source'];
+		$token = $params['token'];
+		$user = OCP\User::getUser();
+		self::log('Shared "'.$path.'" with public, token="'.$token.'" by '.$user);
+	}
+	static public function share_public_download($params) {
+		$path = $params['source'];
+		$token = $params['token'];
+		$user = $_SERVER['REMOTE_ADDR'];
+		self::log('Download of shared "'.$path.'" token="'.$token.'" by '.$user);
+	}
+	static public function share_user($params) {
+		$path = $params['source'];
+		$permissions = $params['permissions'];
+		$with = $params['with'];
+		$user = OCP\User::getUser();
+		$rw = $permissions & OC_Share::WRITE ? 'w' : 'o';
+		self::log('Shared "'.$path.'" (r'.$rw.') with user "'.$with.'" by '.$user);
+	}
 	static protected function log($msg) {
 		OCP\Util::writeLog('admin_audit', $msg, OCP\Util::INFO);
 	}

apps/files_sharing/get.php

@@ -74,6 +74,7 @@ if ($source !== false) {
 		header("Content-Length: " . OC_Filesystem::filesize($source));
 		//download the file
 		@ob_clean();
+		OCP\Util::emitHook('OC_Share', 'public-download', array('source'=>$source, 'token'=>$token);
 		OC_Filesystem::readfile($source);
 	}
 } else {

apps/files_sharing/lib_share.php

@@ -43,6 +43,7 @@ class OC_Share {
 		$query = OCP\DB::prepare("INSERT INTO *PREFIX*sharing VALUES(?,?,?,?,?)");
 		if ($uid_shared_with == self::PUBLICLINK) {
 			$token = sha1("$uid_shared_with-$source");
+			OCP\Util::emitHook('OC_Share', 'public', array('source'=>$source, 'token'=>$token, 'permissions'=>$permissions));
 			$query->execute(array($uid_owner, self::PUBLICLINK, $source, $token, $permissions));
 			$this->token = $token;
 		} else {
@@ -97,6 +98,7 @@ class OC_Share {
 				if (isset($gid)) {
 					$uid = $uid."@".$gid;
 				}
+				OCP\Util::emitHook('OC_Share', 'user', array('source'=>$source, 'target'=>$target, 'with'=>$uid, 'permissions'=>$permissions));
 				$query->execute(array($uid_owner, $uid, $source, $target, $permissions));
 				// Add file to filesystem cache
 				$userDirectory = "/".OCP\USER::getUser()."/files";