PDF rausgenommen

msd2/phpBB3/ext/phpbb/viglink/acp/viglink_helper.php

@@ -0,0 +1,146 @@
+<?php
+/**
+ *
+ * VigLink extension for the phpBB Forum Software package.
+ *
+ * @copyright (c) 2014 phpBB Limited <https://www.phpbb.com>
+ * @license GNU General Public License, version 2 (GPL-2.0)
+ *
+ */
+
+namespace phpbb\viglink\acp;
+
+/**
+ * Class to handle allowing or disallowing VigLink services
+ */
+class viglink_helper
+{
+	/** @var \phpbb\cache\driver\driver_interface $cache */
+	protected $cache;
+
+	/** @var \phpbb\config\config $config */
+	protected $config;
+
+	/** @var \phpbb\file_downloader $file_downloader */
+	protected $file_downloader;
+
+	/** @var \phpbb\language\language $language */
+	protected $language;
+
+	/** @var \phpbb\log\log $log */
+	protected $log;
+
+	/** @var \phpbb\user $user */
+	protected $user;
+
+	/** @var bool Use SSL or not */
+	protected $use_ssl = false;
+
+	/**
+	 * Constructor
+	 *
+	 * @param \phpbb\cache\driver\driver_interface $cache
+	 * @param \phpbb\config\config                 $config
+	 * @param \phpbb\file_downloader               $file_downloader
+	 * @param \phpbb\language\language             $language
+	 * @param \phpbb\log\log                       $log
+	 * @param \phpbb\user                          $user
+	 */
+	public function __construct(\phpbb\cache\driver\driver_interface $cache, \phpbb\config\config $config, \phpbb\file_downloader $file_downloader, \phpbb\language\language $language, \phpbb\log\log $log, \phpbb\user $user)
+	{
+		$this->cache = $cache;
+		$this->config = $config;
+		$this->file_downloader = $file_downloader;
+		$this->language = $language;
+		$this->log = $log;
+		$this->user = $user;
+	}
+
+	/**
+	 * Obtains the latest VigLink services information from phpBB
+	 *
+	 * @param bool $force_update Ignores cached data. Defaults to false.
+	 * @param bool $force_cache  Force the use of the cache. Override $force_update.
+	 *
+	 * @throws \RuntimeException
+	 *
+	 * @return void
+	 */
+	public function set_viglink_services($force_update = false, $force_cache = false)
+	{
+		$cache_key = '_versioncheck_viglink_' . $this->use_ssl;
+
+		$info = $this->cache->get($cache_key);
+
+		if ($info === false && $force_cache)
+		{
+			throw new \RuntimeException($this->language->lang('VERSIONCHECK_FAIL'));
+		}
+		else if ($info === false || $force_update)
+		{
+			try
+			{
+				$info = $this->file_downloader->get('www.phpbb.com', '/viglink', 'enabled', 443);
+			}
+			catch (\phpbb\exception\runtime_exception $exception)
+			{
+				$prepare_parameters = array_merge(array($exception->getMessage()), $exception->get_parameters());
+				throw new \RuntimeException(call_user_func_array(array($this->language, 'lang'), $prepare_parameters));
+			}
+
+			if ($info === '0')
+			{
+				$this->set_viglink_configs(array(
+					'allow_viglink_phpbb'	=> false,
+				));
+			}
+			else
+			{
+				$info = '1';
+				$this->set_viglink_configs(array(
+					'allow_viglink_phpbb'	=> true,
+				));
+			}
+
+			$this->cache->put($cache_key, $info, 86400); // 24 hours
+		}
+	}
+
+	/**
+	 * Sets VigLink service configs as determined by phpBB
+	 *
+	 * @param array $data Array of VigLink file data.
+	 *
+	 * @return void
+	 */
+	protected function set_viglink_configs($data)
+	{
+		$viglink_configs = array(
+			'allow_viglink_phpbb',
+			'phpbb_viglink_api_key',
+		);
+
+		foreach ($viglink_configs as $cfg_name)
+		{
+			if (array_key_exists($cfg_name, $data) && ($data[$cfg_name] != $this->config[$cfg_name] || !isset($this->config[$cfg_name])))
+			{
+				$this->config->set($cfg_name, $data[$cfg_name]);
+			}
+		}
+
+		$this->config->set('viglink_last_gc', time(), false);
+	}
+
+	/**
+	 * Log a VigLink error message to the error log
+	 *
+	 * @param string $message The error message
+	 */
+	public function log_viglink_error($message)
+	{
+		$user_id = empty($this->user->data) ? ANONYMOUS : $this->user->data['user_id'];
+		$user_ip = empty($this->user->ip) ? '' : $this->user->ip;
+
+		$this->log->add('critical', $user_id, $user_ip, 'LOG_VIGLINK_CHECK_FAIL', false, array($message));
+	}
+}