From 7f3f06cdd9f6ae8c27a96bd5bfd81482c404c511 Mon Sep 17 00:00:00 2001
From: VicDeo <dubiniuk@owncloud.com>
Date: Tue, 7 Jun 2016 10:46:53 +0300
Subject: Fix update from 9.0.0 and 9.0.1 (#24854)

---
 lib/private/repair.php                         |  2 +
 lib/private/repair/encryptioncompatibility.php | 63 ++++++++++++++++++++++++++
 2 files changed, 65 insertions(+)
 create mode 100644 lib/private/repair/encryptioncompatibility.php

(limited to 'lib')

diff --git a/lib/private/repair.php b/lib/private/repair.php
index c1f94562de5..b62ba20b49c 100644
--- a/lib/private/repair.php
+++ b/lib/private/repair.php
@@ -35,6 +35,7 @@ use OC\Repair\CleanTags;
 use OC\Repair\Collation;
 use OC\Repair\CopyRewriteBaseToConfig;
 use OC\Repair\DropOldJobs;
+use OC\Repair\EncryptionCompatibility;
 use OC\Repair\OldGroupMembershipShares;
 use OC\Repair\RemoveGetETagEntries;
 use OC\Repair\SqliteAutoincrement;
@@ -139,6 +140,7 @@ class Repair extends BasicEmitter {
 	public static function getBeforeUpgradeRepairSteps() {
 		$connection = \OC::$server->getDatabaseConnection();
 		$steps = [
+			new EncryptionCompatibility(),
 			new InnoDB(),
 			new Collation(\OC::$server->getConfig(), $connection),
 			new SqliteAutoincrement($connection),
diff --git a/lib/private/repair/encryptioncompatibility.php b/lib/private/repair/encryptioncompatibility.php
new file mode 100644
index 00000000000..e470674f6d5
--- /dev/null
+++ b/lib/private/repair/encryptioncompatibility.php
@@ -0,0 +1,63 @@
+<?php
+/**
+ * @author Victor Dubiniuk <dubiniuk@owncloud.com>
+ *
+ * @copyright Copyright (c) 2016, ownCloud, Inc.
+ * @license AGPL-3.0
+ *
+ * This code is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * This program 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, version 3,
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+namespace OC\Repair;
+
+use OC\Hooks\BasicEmitter;
+use OC\RepairStep;
+use OCP\App;
+
+
+class EncryptionCompatibility extends BasicEmitter implements RepairStep {
+	private $affectedMd5 = ['19efc6cf053d0248e45407e7cc39b39b', '6752909b79ffe71237a5db5d1f8f1b65'];
+	private $targetPath = 'encryption/lib/crypto/encryption.php';
+
+	public function getName() {
+		return 'Repair encryption app incompatibility';
+	}
+
+	public function run() {
+		$filePath = \OC::$SERVERROOT . '/__apps/' . $this->targetPath;
+		if ($this->isAffected($filePath)){
+			$resourceDir = __DIR__ . '/../../../resources/updater-fixes/apps/';
+			$isCopied = copy($resourceDir . $this->targetPath, $filePath);
+			if ($isCopied){
+				$this->emit('\OC\Repair', 'info', ['Successfully replaced ' . $filePath . ' with new version.']);
+			} else {
+				$this->emit('\OC\Repair', 'warning', ['Could not replace ' . $filePath . ' with new version.']);
+			}
+		} else {
+			$this->emit('\OC\Repair', 'info', ['No repair necessary']);
+		}
+	}
+
+	/**
+	 * @param string $filePath
+	 * Checks whether encryption is enabled and target revisions exist
+	 * @return bool
+	 */
+	protected function isAffected($filePath){
+		return App::isEnabled('encryption')
+			&& file_exists($filePath)
+			&& in_array(md5_file($filePath), $this->affectedMd5)
+		;
+	}
+}
-- 
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