Clear avatar cache with frontend repair

Signed-off-by: John Molakvoæ (skjnldsv) <skjnldsv@protonmail.com>

9 files changed, 123 insertions, 24 deletions

diff --git a/lib/composer/composer/autoload_classmap.php b/lib/composer/composer/autoload_classmap.php
index 317565a2f06..3f391d51974 100644
--- a/lib/composer/composer/autoload_classmap.php
+++ b/lib/composer/composer/autoload_classmap.php
@@ -960,6 +960,7 @@ return array(
     'OC\\Repair\\AddCleanupUpdaterBackupsJob' => $baseDir . '/lib/private/Repair/AddCleanupUpdaterBackupsJob.php',
     'OC\\Repair\\CleanTags' => $baseDir . '/lib/private/Repair/CleanTags.php',
     'OC\\Repair\\ClearFrontendCaches' => $baseDir . '/lib/private/Repair/ClearFrontendCaches.php',
+    'OC\\Repair\\ClearGeneratedAvatarCache' => $baseDir . '/lib/private/Repair/ClearGeneratedAvatarCache.php',
     'OC\\Repair\\Collation' => $baseDir . '/lib/private/Repair/Collation.php',
     'OC\\Repair\\MoveUpdaterStepFile' => $baseDir . '/lib/private/Repair/MoveUpdaterStepFile.php',
     'OC\\Repair\\NC11\\FixMountStorages' => $baseDir . '/lib/private/Repair/NC11/FixMountStorages.php',
diff --git a/lib/composer/composer/autoload_static.php b/lib/composer/composer/autoload_static.php
index ab8e5b21265..5b8c5b195e5 100644
--- a/lib/composer/composer/autoload_static.php
+++ b/lib/composer/composer/autoload_static.php
@@ -990,6 +990,7 @@ class ComposerStaticInit53792487c5a8370acc0b06b1a864ff4c
         'OC\\Repair\\AddCleanupUpdaterBackupsJob' => __DIR__ . '/../../..' . '/lib/private/Repair/AddCleanupUpdaterBackupsJob.php',
         'OC\\Repair\\CleanTags' => __DIR__ . '/../../..' . '/lib/private/Repair/CleanTags.php',
         'OC\\Repair\\ClearFrontendCaches' => __DIR__ . '/../../..' . '/lib/private/Repair/ClearFrontendCaches.php',
+        'OC\\Repair\\ClearGeneratedAvatarCache' => __DIR__ . '/../../..' . '/lib/private/Repair/ClearGeneratedAvatarCache.php',
         'OC\\Repair\\Collation' => __DIR__ . '/../../..' . '/lib/private/Repair/Collation.php',
         'OC\\Repair\\MoveUpdaterStepFile' => __DIR__ . '/../../..' . '/lib/private/Repair/MoveUpdaterStepFile.php',
         'OC\\Repair\\NC11\\FixMountStorages' => __DIR__ . '/../../..' . '/lib/private/Repair/NC11/FixMountStorages.php',
diff --git a/lib/private/Avatar.php b/lib/private/Avatar.php
index 97e1c0535a4..821ceb7d170 100644
--- a/lib/private/Avatar.php
+++ b/lib/private/Avatar.php
@@ -86,10 +86,10 @@ class Avatar implements IAvatar {
 	 * @param IConfig $config
 	 */
 	public function __construct(ISimpleFolder $folder,
-		IL10N $l,
-		$user,
-		ILogger $logger,
-		IConfig $config) {
+								IL10N $l,
+								$user,
+								ILogger $logger,
+								IConfig $config) {
 		$this->folder = $folder;
 		$this->l = $l;
 		$this->user = $user;
diff --git a/lib/private/AvatarManager.php b/lib/private/AvatarManager.php
index eb455642101..8fd64bc2206 100644
--- a/lib/private/AvatarManager.php
+++ b/lib/private/AvatarManager.php
@@ -104,4 +104,20 @@ class AvatarManager implements IAvatarManager {
 
 		return new Avatar($folder, $this->l, $user, $this->logger, $this->config);
 	}
+
+	/**
+	 * Clear generated avatars
+	 */
+	public function clearCachedAvatars() {
+		$users = $this->config->getUsersForUserValue('avatar', 'generated', 'true');
+		foreach($users as $userId) {
+			try {
+				$folder = $this->appData->getFolder($userId);
+				$folder->delete();
+			} catch (NotFoundException $e) {
+				$this->logger->debug("No cache for the user $userId. Ignoring...");
+			}
+			$this->config->setUserValue($userId, 'avatar', 'generated', 'false');
+		}
+	}
 }
diff --git a/lib/private/Repair.php b/lib/private/Repair.php
index 01724fd6a38..da825c9a7ad 100644
--- a/lib/private/Repair.php
+++ b/lib/private/Repair.php
@@ -30,13 +30,19 @@
 
 namespace OC;
 
+use OCP\AppFramework\QueryException;
+use OCP\Migration\IOutput;
+use OCP\Migration\IRepairStep;
+use OC\AvatarManager;
 use OC\Repair\AddCleanupUpdaterBackupsJob;
 use OC\Repair\CleanTags;
+use OC\Repair\ClearGeneratedAvatarCache;
 use OC\Repair\ClearFrontendCaches;
 use OC\Repair\Collation;
 use OC\Repair\MoveUpdaterStepFile;
 use OC\Repair\NC11\FixMountStorages;
 use OC\Repair\NC13\AddLogRotateJob;
+use OC\Repair\NC13\RepairInvalidPaths;
 use OC\Repair\NC14\AddPreviewBackgroundCleanupJob;
 use OC\Repair\NC14\RepairPendingCronJobs;
 use OC\Repair\NC15\SetVcardDatabaseUID;
@@ -44,23 +50,22 @@ use OC\Repair\OldGroupMembershipShares;
 use OC\Repair\Owncloud\DropAccountTermsTable;
 use OC\Repair\Owncloud\SaveAccountsTableData;
 use OC\Repair\RemoveRootShares;
-use OC\Repair\NC13\RepairInvalidPaths;
-use OC\Repair\SqliteAutoincrement;
-use OC\Repair\RepairMimeTypes;
 use OC\Repair\RepairInvalidShares;
+use OC\Repair\RepairMimeTypes;
+use OC\Repair\SqliteAutoincrement;
 use OC\Template\JSCombiner;
 use OC\Template\SCSSCacher;
-use OCP\AppFramework\QueryException;
-use OCP\Migration\IOutput;
-use OCP\Migration\IRepairStep;
 use Symfony\Component\EventDispatcher\EventDispatcher;
 use Symfony\Component\EventDispatcher\GenericEvent;
 
-class Repair implements IOutput{
-	/* @var IRepairStep[] */
+class Repair implements IOutput {
+
+	/** @var IRepairStep[] */
 	private $repairSteps;
+
 	/** @var EventDispatcher */
 	private $dispatcher;
+
 	/** @var string */
 	private $currentStep;
 
@@ -72,7 +77,7 @@ class Repair implements IOutput{
 	 */
 	public function __construct($repairSteps = [], EventDispatcher $dispatcher = null) {
 		$this->repairSteps = $repairSteps;
-		$this->dispatcher = $dispatcher;
+		$this->dispatcher  = $dispatcher;
 	}
 
 	/**
@@ -81,6 +86,7 @@ class Repair implements IOutput{
 	public function run() {
 		if (count($this->repairSteps) === 0) {
 			$this->emit('\OC\Repair', 'info', array('No repair steps available'));
+
 			return;
 		}
 		// run each repair step
@@ -137,10 +143,11 @@ class Repair implements IOutput{
 			new RepairInvalidPaths(\OC::$server->getDatabaseConnection(), \OC::$server->getConfig()),
 			new AddLogRotateJob(\OC::$server->getJobList()),
 			new ClearFrontendCaches(\OC::$server->getMemCacheFactory(), \OC::$server->query(SCSSCacher::class), \OC::$server->query(JSCombiner::class)),
+			new ClearGeneratedAvatarCache(\OC::$server->getConfig(), \OC::$server->query(AvatarManager::class)),
 			new AddPreviewBackgroundCleanupJob(\OC::$server->getJobList()),
 			new AddCleanupUpdaterBackupsJob(\OC::$server->getJobList()),
 			new RepairPendingCronJobs(\OC::$server->getDatabaseConnection(), \OC::$server->getConfig()),
-			new SetVcardDatabaseUID(\OC::$server->getDatabaseConnection(), \OC::$server->getConfig()),
+			new SetVcardDatabaseUID(\OC::$server->getDatabaseConnection(), \OC::$server->getConfig())
 		];
 	}
 
@@ -152,7 +159,7 @@ class Repair implements IOutput{
 	 */
 	public static function getExpensiveRepairSteps() {
 		return [
-			new OldGroupMembershipShares(\OC::$server->getDatabaseConnection(), \OC::$server->getGroupManager()),
+			new OldGroupMembershipShares(\OC::$server->getDatabaseConnection(), \OC::$server->getGroupManager())
 		];
 	}
 
@@ -164,12 +171,12 @@ class Repair implements IOutput{
 	 */
 	public static function getBeforeUpgradeRepairSteps() {
 		$connection = \OC::$server->getDatabaseConnection();
-		$config = \OC::$server->getConfig();
-		$steps = [
+		$config     = \OC::$server->getConfig();
+		$steps      = [
 			new Collation(\OC::$server->getConfig(), \OC::$server->getLogger(), $connection, true),
 			new SqliteAutoincrement($connection),
 			new SaveAccountsTableData($connection, $config),
-			new DropAccountTermsTable($connection),
+			new DropAccountTermsTable($connection)
 		];
 
 		return $steps;
diff --git a/lib/private/Repair/ClearFrontendCaches.php b/lib/private/Repair/ClearFrontendCaches.php
index 0a92aa8d201..22add525adb 100644
--- a/lib/private/Repair/ClearFrontendCaches.php
+++ b/lib/private/Repair/ClearFrontendCaches.php
@@ -23,11 +23,11 @@
 
 namespace OC\Repair;
 
-use OC\Template\JSCombiner;
-use OC\Template\SCSSCacher;
 use OCP\ICacheFactory;
 use OCP\Migration\IOutput;
 use OCP\Migration\IRepairStep;
+use OC\Template\JSCombiner;
+use OC\Template\SCSSCacher;
 
 class ClearFrontendCaches implements IRepairStep {
 
@@ -44,8 +44,8 @@ class ClearFrontendCaches implements IRepairStep {
 								SCSSCacher $SCSSCacher,
 								JSCombiner $JSCombiner) {
 		$this->cacheFactory = $cacheFactory;
-		$this->scssCacher = $SCSSCacher;
-		$this->jsCombiner = $JSCombiner;
+		$this->scssCacher   = $SCSSCacher;
+		$this->jsCombiner   = $JSCombiner;
 	}
 
 	public function getName() {
diff --git a/lib/private/Repair/ClearGeneratedAvatarCache.php b/lib/private/Repair/ClearGeneratedAvatarCache.php
new file mode 100644
index 00000000000..631e793de3e
--- /dev/null
+++ b/lib/private/Repair/ClearGeneratedAvatarCache.php
@@ -0,0 +1,72 @@
+<?php
+/**
+ * @copyright Copyright (c) 2018 John Molakvoæ <skjnldsv@protonmail.com>
+ *
+ * @author John Molakvoæ <skjnldsv@protonmail.com>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * 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
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OC\Repair;
+
+use OC\AvatarManager;
+use OCP\IConfig;
+use OCP\Migration\IOutput;
+use OCP\Migration\IRepairStep;
+use OCP\Util;
+
+class ClearGeneratedAvatarCache implements IRepairStep {
+
+	/** @var AvatarManager */
+	protected $avatarManager;
+
+	/** @var IConfig */
+	private $config;
+
+	public function __construct(IConfig $config, AvatarManager $avatarManager) {
+		$this->config        = $config;
+		$this->avatarManager = $avatarManager;
+	}
+
+	public function getName() {
+		return 'Clear every generated avatar on major updates';
+	}
+
+	/**
+	 * Check if this repair step should run
+	 *
+	 * @return boolean
+	 */
+	private function shouldRun() {
+		$versionFromBeforeUpdate = $this->config->getSystemValue('version', '0.0.0.0');
+
+		// was added to 15.0.0.4
+		return version_compare($versionFromBeforeUpdate, '15.0.0.4', '<=');
+	}
+
+	public function run(IOutput $output) {
+		if ($this->shouldRun()) {
+			try {
+				$this->avatarManager->clearCachedAvatars();
+				$output->info('Avatar cache cleared');
+			} catch (\Exception $e) {
+				$output->warning('Unable to clear the avatar cache');
+			}
+
+		}
+	}
+}
diff --git a/lib/private/Server.php b/lib/private/Server.php
index 938c54b8a1c..8ae2cb7652c 100644
--- a/lib/private/Server.php
+++ b/lib/private/Server.php
@@ -539,7 +539,7 @@ class Server extends ServerContainer implements IServerContainer {
 		});
 		$this->registerAlias(IValidator::class, Validator::class);
 
-		$this->registerService(\OCP\IAvatarManager::class, function (Server $c) {
+		$this->registerService(AvatarManager::class, function(Server $c) {
 			return new AvatarManager(
 				$c->query(\OC\User\Manager::class),
 				$c->getAppDataDir('avatar'),
@@ -548,7 +548,8 @@ class Server extends ServerContainer implements IServerContainer {
 				$c->getConfig()
 			);
 		});
-		$this->registerAlias('AvatarManager', \OCP\IAvatarManager::class);
+		$this->registerAlias(\OCP\IAvatarManager::class, AvatarManager::class);
+		$this->registerAlias('AvatarManager', AvatarManager::class);
 
 		$this->registerAlias(\OCP\Support\CrashReport\IRegistry::class, \OC\Support\CrashReport\Registry::class);
 
diff --git a/lib/public/IAvatarManager.php b/lib/public/IAvatarManager.php
index 19e4b93503a..4b89173d88b 100644
--- a/lib/public/IAvatarManager.php
+++ b/lib/public/IAvatarManager.php
@@ -44,4 +44,5 @@ interface IAvatarManager {
 	 * @since 6.0.0
 	 */
 	public function getAvatar(string $user) : IAvatar;
+
 }