From 92dc9e6899ac9aa80f49c796ff7ccf1b1fa70842 Mon Sep 17 00:00:00 2001
From: Roeland Jago Douma <roeland@famdouma.nl>
Date: Mon, 12 Sep 2016 09:53:31 +0200
Subject: [PATCH] Avatar migration step

* Skip move avatar if avatars disabled

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>
---
 lib/private/Repair.php                  |   7 ++
 lib/private/Repair/NC11/MoveAvatars.php | 134 ++++++++++++++++++++++++
 version.php                             |   2 +-
 3 files changed, 142 insertions(+), 1 deletion(-)
 create mode 100644 lib/private/Repair/NC11/MoveAvatars.php

diff --git a/lib/private/Repair.php b/lib/private/Repair.php
index bf441d03c3..0af1dc9cc7 100644
--- a/lib/private/Repair.php
+++ b/lib/private/Repair.php
@@ -36,6 +36,7 @@ use OC\Repair\CleanTags;
 use OC\Repair\Collation;
 use OC\Repair\DropOldJobs;
 use OC\Repair\MoveUpdaterStepFile;
+use OC\Repair\NC11\MoveAvatars;
 use OC\Repair\OldGroupMembershipShares;
 use OC\Repair\RemoveGetETagEntries;
 use OC\Repair\RemoveOldShares;
@@ -149,6 +150,12 @@ class Repair implements IOutput{
 				\OC::$server->getGroupManager()
 			),
 			new MoveUpdaterStepFile(\OC::$server->getConfig()),
+			new MoveAvatars(
+				\OC::$server->getUserManager(),
+				\OC::$server->getRootFolder(),
+				\OC::$server->getAppDataDir('avatar'),
+				\OC::$server->getSystemConfig()
+			),
 		];
 	}
 
diff --git a/lib/private/Repair/NC11/MoveAvatars.php b/lib/private/Repair/NC11/MoveAvatars.php
new file mode 100644
index 0000000000..d0d78cb1fd
--- /dev/null
+++ b/lib/private/Repair/NC11/MoveAvatars.php
@@ -0,0 +1,134 @@
+<?php
+/**
+ * @copyright 2016 Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @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\NC11;
+
+use OC\SystemConfig;
+use OCP\Files\File;
+use OCP\Files\Folder;
+use OCP\Files\IAppData;
+use OCP\Files\IRootFolder;
+use OCP\Files\NotFoundException;
+use OCP\IUser;
+use OCP\IUserManager;
+use OCP\Migration\IOutput;
+use OCP\Migration\IRepairStep;
+
+class MoveAvatars implements IRepairStep {
+
+	/** @var IUserManager */
+	private $userManager;
+
+	/** @var IRootFolder */
+	private $rootFolder;
+
+	/** @var IAppData */
+	private $appData;
+
+	/** @var SystemConfig */
+	private $systemConfig;
+
+	/**
+	 * MoveAvatars constructor.
+	 *
+	 * @param IUserManager $userManager
+	 * @param IRootFolder $rootFolder
+	 * @param IAppData $appData
+	 * @param SystemConfig $systemConfig
+	 */
+	public function __construct(IUserManager $userManager,
+								IRootFolder $rootFolder,
+								IAppData $appData,
+								SystemConfig $systemConfig) {
+		$this->userManager = $userManager;
+		$this->rootFolder = $rootFolder;
+		$this->appData = $appData;
+		$this->systemConfig = $systemConfig;
+	}
+
+	/**
+	 * @return string
+	 */
+	public function getName() {
+		return 'Move avatars to AppData folder';
+	}
+
+	public function run(IOutput $output) {
+		if ($this->systemConfig->getValue('enable_avatars', true) === false) {
+			$output->info('Avatars are disabled');
+		} else {
+			$output->startProgress($this->userCount());
+			$this->moveAvatar($output);
+			$output->finishProgress();
+		}
+	}
+
+	private function moveAvatar(IOutput $output) {
+		$this->userManager->callForAllUsers(function (IUser $user) use ($output) {
+			if ($user->getLastLogin() !== 0) {
+				$uid = $user->getUID();
+
+				\OC\Files\Filesystem::initMountPoints($uid);
+				/** @var Folder $userFolder */
+				$userFolder = $this->rootFolder->get($uid);
+
+				try {
+					$userData = $this->appData->getFolder($uid);
+				} catch (NotFoundException $e) {
+					$userData = $this->appData->newFolder($uid);
+				}
+
+
+				$regex = '/^avatar\.([0-9]+\.)?(jpg|png)$/';
+				$avatars = $userFolder->getDirectoryListing();
+
+				foreach ($avatars as $avatar) {
+					/** @var File $avatar */
+					if (preg_match($regex, $avatar->getName())) {
+						/*
+						 * This is not the most effective but it is the most abstract way
+						 * to handle this. Avatars should be small anyways.
+						 */
+						$newAvatar = $userData->newFile($avatar->getName());
+						$newAvatar->putContent($avatar->getContent());
+						$avatar->delete();
+					}
+				}
+			}
+			$output->advance();
+		});
+	}
+
+	/**
+	 * @return int
+	 */
+	private function userCount() {
+		$backends = $this->userManager->countUsers();
+		$count = 0;
+
+		foreach ($backends as $backend => $amount) {
+			$count += $amount;
+		}
+
+		return $count;
+	}
+}
diff --git a/version.php b/version.php
index 01a822708e..96725a6bb4 100644
--- a/version.php
+++ b/version.php
@@ -25,7 +25,7 @@
 // We only can count up. The 4. digit is only for the internal patchlevel to trigger DB upgrades
 // between betas, final and RCs. This is _not_ the public version number. Reset minor/patchlevel
 // when updating major/minor version number.
-$OC_Version = array(9, 2, 0, 3);
+$OC_Version = array(9, 2, 0, 4);
 
 // The human readable string
 $OC_VersionString = '11.0 alpha';