[Pkg-owncloud-commits] [owncloud] 27/90: forgotten file

[David Prévot]

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taffit pushed a commit to branch master
in repository owncloud.

commit 1d54735d5de74ee8a60a040b0f0125c041de6cc9
Author: Arthur Schiwon <blizzz at owncloud.com>
Date:   Wed Dec 17 13:52:09 2014 +0100

    forgotten file
---
 apps/user_ldap/command/checkuser.php | 129 +++++++++++++++++++++++++++++++++++
 1 file changed, 129 insertions(+)

diff --git a/apps/user_ldap/command/checkuser.php b/apps/user_ldap/command/checkuser.php
new file mode 100644
index 0000000..c6980da
--- /dev/null
+++ b/apps/user_ldap/command/checkuser.php
@@ -0,0 +1,129 @@
+<?php
+/**
+ * Copyright (c) 2014 Arthur Schiwon <blizzz at owncloud.com>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+
+namespace OCA\user_ldap\Command;
+
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+
+use OCA\user_ldap\lib\user\User;
+use OCA\User_LDAP\lib\user\Manager;
+use OCA\user_ldap\lib\Helper;
+use OCA\user_ldap\User_Proxy;
+
+class CheckUser extends Command {
+	/** @var OCA\user_ldap\User_Proxy */
+	protected $backend;
+
+	/** @var OCA\User_LDAP\lib\Helper */
+	protected $helper;
+
+	/** @var \OCP\IConfig */
+	protected $config;
+
+	/**
+	 * @param OCA\user_ldap\User_Proxy $uBackend
+	 * @param OCA\User_LDAP\lib\Helper $helper
+	 * @param OCP\IConfig $config
+	 */
+	public function __construct(User_Proxy $uBackend, Helper $helper, \OCP\IConfig $config) {
+		$this->backend = $uBackend;
+		$this->helper = $helper;
+		$this->config = $config;
+		parent::__construct();
+	}
+
+	protected function configure() {
+		$this
+			->setName('ldap:check-user')
+			->setDescription('checks whether a user exists on LDAP.')
+			->addArgument(
+					'ocName',
+					InputArgument::REQUIRED,
+					'the user name as used in ownCloud'
+				     )
+			->addOption(
+					'force',
+					null,
+					InputOption::VALUE_NONE,
+					'ignores disabled LDAP configuration'
+				     )
+		;
+	}
+
+	protected function execute(InputInterface $input, OutputInterface $output) {
+		try {
+			$uid = $input->getArgument('ocName');
+			$this->isAllowed($input->getOption('force'));
+			$this->confirmUserIsMapped($uid);
+			$exists = $this->backend->userExistsOnLDAP($uid);
+			if($exists === true) {
+				$output->writeln('The user is still available on LDAP.');
+				return;
+			}
+
+			// TODO FIXME consolidate next line in DeletedUsersIndex
+			// (impractical now, because of class dependencies)
+			$this->config->setUserValue($uid, 'user_ldap', 'isDeleted', '1');
+
+			$output->writeln('The user does not exists on LDAP anymore.');
+			$output->writeln('Clean up the user\'s remnants by: ./occ user:delete "'
+				. $uid . '"');
+		} catch (\Exception $e) {
+			$output->writeln('<error>' . $e->getMessage(). '</error>');
+		}
+	}
+
+	/**
+	 * checks whether a user is actually mapped
+	 * @param string $ocName the username as used in ownCloud
+	 * @throws \Exception
+	 * @return bool
+	 */
+	protected function confirmUserIsMapped($ocName) {
+		//TODO FIXME this should go to Mappings in OC 8
+		$db = \OC::$server->getDatabaseConnection();
+		$query = $db->prepare('
+			SELECT
+				`ldap_dn` AS `dn`
+			FROM `*PREFIX*ldap_user_mapping`
+			WHERE `owncloud_name` = ?'
+		);
+
+		$query->execute(array($ocName));
+		$result = $query->fetchColumn();
+
+		if($result === false) {
+			throw new \Exception('The given user is not a recognized LDAP user.');
+		}
+
+		return true;
+	}
+
+	/**
+	 * checks whether the setup allows reliable checking of LDAP user existance
+	 * @throws \Exception
+	 * @return bool
+	 */
+	protected function isAllowed($force) {
+		if($this->helper->haveDisabledConfigurations() && !$force) {
+			throw new \Exception('Cannot check user existance, because '
+				. 'disabled LDAP configurations are present.');
+		}
+
+		// we don't check ldapUserCleanupInterval from config.php because this
+		// action is triggered manually, while the setting only controls the
+		// background job.
+
+		return true;
+	}
+
+}

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