forked from rebillar/site-accueil-insa
106 lines
3.3 KiB
PHP
106 lines
3.3 KiB
PHP
<?php
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/**
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* Matomo - free/libre analytics platform
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*
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* @link https://matomo.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 Piwik\Container\StaticContainer;
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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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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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/**
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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, $interval = null)
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{
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if (!SettingsPiwik::isAutoUpdateEnabled()) {
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return;
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}
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if ($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(), $autoLoad = 1);
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$latestVersion = self::getLatestAvailableVersionNumber();
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$latestVersion = trim((string) $latestVersion);
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if (!preg_match('~^[0-9][0-9a-zA-Z_.-]*$~D', $latestVersion)) {
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$latestVersion = '';
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}
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Option::set(self::LATEST_VERSION, $latestVersion);
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}
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}
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/**
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* Get the latest available version number for the currently active release channel. Eg '2.15.0-b4' or '2.15.0'.
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* Should return a semantic version number in format MAJOR.MINOR.PATCH (http://semver.org/).
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* Returns an empty string in case one cannot connect to the remote server.
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* @return string
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*/
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private static function getLatestAvailableVersionNumber()
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{
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$releaseChannels = StaticContainer::get('\Piwik\Plugin\ReleaseChannels');
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$channel = $releaseChannels->getActiveReleaseChannel();
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$url = $channel->getUrlToCheckForLatestAvailableVersion();
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try {
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$latestVersion = Http::sendHttpRequest($url, self::SOCKET_TIMEOUT);
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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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return $latestVersion;
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}
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/**
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* Returns the latest available version number. Does not perform a check whether a later version is available.
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*
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* @return false|string
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*/
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public static function getLatestVersion()
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{
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return Option::get(self::LATEST_VERSION);
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}
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/**
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* Returns version number of a newer Piwik release.
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*
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* @return string|bool false if current version is the latest available,
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* or the latest version number if a newest release is available
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*/
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public static function isNewestVersionAvailable()
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{
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$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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