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<?php |
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/** |
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* EGroupware API - Check for updates |
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* |
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* @link http://www.egroupware.org |
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* @author Ralf Becker <RalfBecker-AT-outdoor-training.de> |
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License |
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* @package api |
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* @subpackage framework |
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* @access public |
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*/ |
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namespace EGroupware\Api\Framework; |
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use EGroupware\Api\Html; |
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use EGroupware\Api\Cache; |
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use EGroupware\Api; |
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/** |
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* Check for updates |
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* |
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* https://www.egroupware.org/currentversion |
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* |
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* Contains multiple lines with version numbers: |
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* 1. current stable version eg. 17.1.20180118 |
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* 2. last stable security update eg. 17.1.20180118 |
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* 3. last old-stable security up.eg. 16.1.20171106 (only if that is still secure!) |
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* 4. further old secure versions, if available |
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*/ |
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class Updates |
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{ |
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/** |
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* URL to check for security or maintenance updates |
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*/ |
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const CURRENT_VERSION_URL = 'https://www.egroupware.org/currentversion'; |
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/** |
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* How long to cache (in secs) / often to check for updates |
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*/ |
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const VERSIONS_CACHE_TIMEOUT = 7200; |
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/** |
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* After how many days of not applied security updates, start warning non-admins too |
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*/ |
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const WARN_USERS_DAYS = 5; |
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/** |
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* Get versions of available updates |
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* |
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* @param string $api =null major api version to return security for, default latest |
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* @return array verions for keys "current" and "security" |
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*/ |
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public static function available($api=null) |
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{ |
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$versions = Cache::getTree(__CLASS__, 'versions', function() use ($api) |
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{ |
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$versions = array(); |
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$security = null; |
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if (($remote = file_get_contents(self::CURRENT_VERSION_URL, false, Api\Framework::proxy_context()))) |
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{ |
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$all_versions = explode("\n", $remote); |
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$current = array_shift($all_versions); |
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if (empty($all_versions)) $all_versions = array($current); |
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// find latest security release for optional API version |
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foreach(array_reverse($all_versions) as $security) |
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{ |
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if (isset($api) && $api === substr($security, 0, strlen($api))) break; |
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} |
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$versions = array( |
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'current' => $current, // last maintenance update |
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'security' => $security, // last security update |
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); |
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} |
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return $versions; |
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}, array(), self::VERSIONS_CACHE_TIMEOUT); |
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//error_log(__METHOD__."($api) returning ".array2string($versions)); |
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return $versions; |
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} |
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/** |
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* Check update status |
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* |
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* @return string |
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* @todo Check from client-side, if server-side check fails |
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*/ |
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public static function notification() |
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{ |
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$api = self::api_version(); |
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$api_major = $matches = null; |
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if (preg_match('/^(\d+\.\d+)\./', $api, $matches)) |
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{ |
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$api_major = $matches[1]; |
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} |
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$versions = self::available($api_major); |
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if ($versions) |
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{ |
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if (version_compare($api, $versions['security'], '<')) |
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{ |
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if (!$GLOBALS['egw_info']['user']['apps']['admin'] && !self::update_older($versions['security'], self::WARN_USERS_DAYS)) |
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{ |
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return null; |
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} |
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return Html::a_href(Html::image('api', 'security-update', lang('EGroupware security update %1 needs to be installed!', $versions['security'])), |
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'http://www.egroupware.org/changelog', null, ' target="_blank"'); |
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} |
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if ($GLOBALS['egw_info']['user']['apps']['admin'] && version_compare($api, $versions['current'], '<')) |
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{ |
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$msg = substr($versions['current'], 0, strlen($api_major)) == $api_major ? |
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lang('EGroupware maintenance update %1 available', $versions['current']) : |
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lang('New EGroupware release %1 available', $versions['current']); |
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return Html::a_href(Html::image('api', 'update', $msg), |
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'http://www.egroupware.org/changelog', null, ' target="_blank"'); |
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} |
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} |
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elseif ($GLOBALS['egw_info']['user']['apps']['admin']) |
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{ |
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$error = lang('Automatic update check failed, you need to check manually!'); |
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if (!ini_get('allow_url_fopen')) |
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{ |
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$error .= "\n".lang('%1 setting "%2" = %3 disallows access via http!', |
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'php.ini', 'allow_url_fopen', array2string(ini_get('allow_url_fopen'))); |
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} |
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return Html::a_href(Html::image('api', 'update', $error), |
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'http://www.egroupware.org/changelog', null, ' target="_blank" data-api-version="'.$api.'"'); |
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} |
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return null; |
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} |
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/** |
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* Check if version is older then $days days |
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* |
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* @param string $version eg. "14.1.20140715" last part is checked (only if > 20140000!) |
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* @param int $days |
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* @return boolean |
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*/ |
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protected static function update_older($version, $days) |
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{ |
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list(,,$date) = explode('.', $version); |
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if ($date < 20140000) return false; |
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$version_timestamp = mktime(0, 0, 0, (int)substr($date, 4, 2), (int)substr($date, -2), (int)substr($date, 0, 4)); |
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return (time() - $version_timestamp) / 86400 > $days; |
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} |
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/** |
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* Get current API version from api/setup/setup.inc.php "maintenance_release" or database, whichever is bigger |
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* |
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* @param string &$changelog on return path to changelog |
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* @return string |
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*/ |
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public static function api_version(&$changelog=null) |
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{ |
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$changelog = EGW_SERVER_ROOT.'/doc/rpm-build/debian.changes'; |
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return Cache::getTree(__CLASS__, 'api_version', function() |
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{ |
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$version = preg_replace('/[^0-9.]/', '', $GLOBALS['egw_info']['server']['versions']['api']); |
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if (empty($GLOBALS['egw_info']['server']['versions']['maintenance_release'])) |
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{ |
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$setup_info = null; |
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include (EGW_SERVER_ROOT.'/api/setup/setup.inc.php'); |
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$GLOBALS['egw_info']['server']['versions'] += $setup_info['api']['versions']; |
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unset($setup_info); |
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} |
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if (version_compare($version, $GLOBALS['egw_info']['server']['versions']['maintenance_release'], '<')) |
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{ |
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$version = $GLOBALS['egw_info']['server']['versions']['maintenance_release']; |
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} |
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return $version; |
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}, array(), 300); |
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} |
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} |
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EGroupware /
egroupware
