110 lines
3.5 KiB
PHP
110 lines
3.5 KiB
PHP
<?php
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/**
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* Piwik - Open source web analytics
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*
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* @link http://piwik.org
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* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
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*
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*/
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namespace Piwik;
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use Exception;
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use Piwik\Plugins\SitesManager\API;
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/**
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* Class to check if a newer version of Piwik is available
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*
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*/
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class UpdateCheck
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{
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const CHECK_INTERVAL = 28800; // every 8 hours
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const UI_CLICK_CHECK_INTERVAL = 10; // every 10s when user clicks UI link
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const LAST_TIME_CHECKED = 'UpdateCheck_LastTimeChecked';
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const LATEST_VERSION = 'UpdateCheck_LatestVersion';
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const SOCKET_TIMEOUT = 2;
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private static function isAutoUpdateEnabled()
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{
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return (bool) Config::getInstance()->General['enable_auto_update'];
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}
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/**
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* Check for a newer version
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*
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* @param bool $force Force check
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* @param int $interval Interval used for update checks
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*/
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public static function check($force = false, $interval = null)
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{
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if(!self::isAutoUpdateEnabled()) {
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return;
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}
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if ($interval === null) {
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$interval = self::CHECK_INTERVAL;
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}
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$lastTimeChecked = Option::get(self::LAST_TIME_CHECKED);
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if ($force
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|| $lastTimeChecked === false
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|| time() - $interval > $lastTimeChecked
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) {
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// set the time checked first, so that parallel Piwik requests don't all trigger the http requests
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Option::set(self::LAST_TIME_CHECKED, time(), $autoLoad = 1);
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$parameters = array(
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'piwik_version' => Version::VERSION,
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'php_version' => PHP_VERSION,
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'url' => Url::getCurrentUrlWithoutQueryString(),
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'trigger' => Common::getRequestVar('module', '', 'string'),
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'timezone' => API::getInstance()->getDefaultTimezone(),
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);
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$url = Config::getInstance()->General['api_service_url']
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. '/1.0/getLatestVersion/'
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. '?' . http_build_query($parameters, '', '&');
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$timeout = self::SOCKET_TIMEOUT;
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if (@Config::getInstance()->Debug['allow_upgrades_to_beta']) {
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$url = 'http://builds.piwik.org/LATEST_BETA';
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}
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try {
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$latestVersion = Http::sendHttpRequest($url, $timeout);
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if (!preg_match('~^[0-9][0-9a-zA-Z_.-]*$~D', $latestVersion)) {
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$latestVersion = '';
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}
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} catch (Exception $e) {
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// e.g., disable_functions = fsockopen; allow_url_open = Off
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$latestVersion = '';
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}
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Option::set(self::LATEST_VERSION, $latestVersion);
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}
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}
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/**
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* Returns the latest available version number. Does not perform a check whether a later version is available.
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*
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* @return false|string
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*/
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public static function getLatestVersion()
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{
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return Option::get(self::LATEST_VERSION);
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}
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/**
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* Returns version number of a newer Piwik release.
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*
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* @return string|bool false if current version is the latest available,
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* or the latest version number if a newest release is available
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*/
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public static function isNewestVersionAvailable()
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{
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$latestVersion = self::getLatestVersion();
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if (!empty($latestVersion)
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&& version_compare(Version::VERSION, $latestVersion) == -1
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) {
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return $latestVersion;
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}
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return false;
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}
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}
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