From 788c5940f08c5380b695c4bf9b69b53af1cd2d59 Mon Sep 17 00:00:00 2001
From: Florin Peter <github@florin-peter.de>
Date: Sat, 25 May 2013 23:07:19 +0200
Subject: [PATCH] fixed error rising from fetchRow

---
 apps/files_encryption/lib/util.php | 49 ++++++++++++++++--------------
 1 file changed, 27 insertions(+), 22 deletions(-)

diff --git a/apps/files_encryption/lib/util.php b/apps/files_encryption/lib/util.php
index 9259f521d1a..70fcd955be0 100644
--- a/apps/files_encryption/lib/util.php
+++ b/apps/files_encryption/lib/util.php
@@ -293,12 +293,11 @@ class Util
 
 		if (\OC_DB::isError($result)) {
 			\OC_Log::write('Encryption library', \OC_DB::getErrorMessage($result), \OC_Log::ERROR);
-		}
-
-		while ( $row = $result->fetchRow() ) {
-
-			$recoveryEnabled[] = $row['recovery_enabled'];
-
+		} else {
+			$row = $result->fetchRow();
+			if( isset( $row['recovery_enabled'] ) ) {
+				$recoveryEnabled[] = $row['recovery_enabled'];
+			}
 		}
 
 		// If no record is found
@@ -824,13 +823,15 @@ class Util
 
 		$result = $query->execute( array( $fileId ) );
 
+		$path = false;
 		if (\OC_DB::isError($result)) {
 			\OC_Log::write('Encryption library', \OC_DB::getErrorMessage($result), \OC_Log::ERROR);
+		} else {
+			$row = $result->fetchRow();
+			$path = substr( $row['path'], strlen('files') );
 		}
 
-		$row = $result->fetchRow();
-
-		return substr( $row['path'], 5 );
+		return $path;
 
 	}
 
@@ -1096,11 +1097,11 @@ class Util
 
 		if (\OC_DB::isError($result)) {
 			\OC_Log::write('Encryption library', \OC_DB::getErrorMessage($result), \OC_Log::ERROR);
-		}
-
-		$row = $result->fetchRow();
-		if($row) {
-			$migrationStatus[] = $row['migration_status'];
+		} else {
+			$row = $result->fetchRow();
+			if( isset( $row['migration_status'] ) ) {
+				$migrationStatus[] = $row['migration_status'];
+			}
 		}
 
 		// If no record is found
@@ -1233,12 +1234,13 @@ class Util
 
 		$result = $query->execute( array( $id ) );
 
+		$row = array();
 		if (\OC_DB::isError($result)) {
 			\OC_Log::write('Encryption library', \OC_DB::getErrorMessage($result), \OC_Log::ERROR);
+		} else {
+			$row = $result->fetchRow();
 		}
 
-		$row = $result->fetchRow();
-
 		return $row;
 
 	}
@@ -1256,12 +1258,13 @@ class Util
 
 		$result = $query->execute( array( $id ) );
 
+		$row = array();
 		if (\OC_DB::isError($result)) {
 			\OC_Log::write('Encryption library', \OC_DB::getErrorMessage($result), \OC_Log::ERROR);
+		} else {
+			$row = $result->fetchRow();
 		}
 
-		$row = $result->fetchRow();
-
 		return $row;
 
 	}
@@ -1278,12 +1281,13 @@ class Util
 
 		$result = $query->execute( array( $id ) );
 
+		$source = array();
 		if (\OC_DB::isError($result)) {
 			\OC_Log::write('Encryption library', \OC_DB::getErrorMessage($result), \OC_Log::ERROR);
+		} else {
+			$source = $result->fetchRow();
 		}
 
-		$source = $result->fetchRow();
-
 		$fileOwner = false;
 
 		if ( isset( $source['parent'] ) ) {
@@ -1296,12 +1300,13 @@ class Util
 
 				$result = $query->execute( array( $parent ) );
 
+				$item = array();
 				if (\OC_DB::isError($result)) {
 					\OC_Log::write('Encryption library', \OC_DB::getErrorMessage($result), \OC_Log::ERROR);
+				} else {
+					$item = $result->fetchRow();
 				}
 
-				$item = $result->fetchRow();
-
 				if ( isset( $item['parent'] ) ) {
 
 					$parent = $item['parent'];
-- 
2.39.5