Gestionnaire de fichiers

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Gestionnaire de fichiers - Editer - /home/burhbrzf/public_html/wp-content/plugins/formlayer-pro/main/plugin-update-checker.php

Arrière
<?php /** * Plugin Update Checker Library 3.2 * http://w-shadow.com/ * * Copyright 2016 Janis Elsts * Released under the MIT license. See license.txt for details. / if ( !class_exists('FormLayerUpdateChecker_3_2', false) ): /* * A custom plugin update checker. * * @author Janis Elsts * @copyright 2016 * @version 3.2 * @access public / #[\AllowDynamicProperties] class FormLayerUpdateChecker_3_2{ public $metadataUrl = ''; //The URL of the plugin's metadata file. public $pluginAbsolutePath = ''; //Full path of the main plugin file. public $pluginFile = ''; //Plugin filename relative to the plugins directory. Many WP APIs use this to identify plugins. public $slug = ''; //Plugin slug. public $optionName = ''; //Where to store the update info. public $muPluginFile = ''; //For MU plugins, the plugin filename relative to the mu-plugins directory. public $debugMode = false; //Set to TRUE to enable error reporting. Errors are raised using trigger_error() //and should be logged to the standard PHP error log. public $scheduler; protected $upgraderStatus; private $debugBarPlugin = null; private $cachedInstalledVersion = null; private $metadataHost = ''; //The host component of $metadataUrl. /* * Class constructor. * * @param string $metadataUrl The URL of the plugin's metadata file. * @param string $pluginFile Fully qualified path to the main plugin file. * @param string $slug The plugin's 'slug'. If not specified, the filename part of $pluginFile sans '.php' will be used as the slug. * @param integer $checkPeriod How often to check for updates (in hours). Defaults to checking every 12 hours. Set to 0 to disable automatic update checks. * @param string $optionName Where to store book-keeping info about update checks. Defaults to 'external_updates-$slug'. * @param string $muPluginFile Optional. The plugin filename relative to the mu-plugins directory. / public function __construct($metadataUrl, $pluginFile, $slug = '', $checkPeriod = 12, $optionName = '', $muPluginFile = ''){ $this->metadataUrl = $metadataUrl; $this->pluginAbsolutePath = $pluginFile; $this->pluginFile = plugin_basename($this->pluginAbsolutePath); $this->muPluginFile = $muPluginFile; $this->slug = $slug; $this->optionName = $optionName; $this->debugMode = (bool)(constant('WP_DEBUG')); //If no slug is specified, use the name of the main plugin file as the slug. //For example, 'my-cool-plugin/cool-plugin.php' becomes 'cool-plugin'. if ( empty($this->slug) ){ $this->slug = basename($this->pluginFile, '.php'); } //Plugin slugs must be unique. $slugCheckFilter = 'puc_is_slug_in_use-' . $this->slug; $slugUsedBy = apply_filters($slugCheckFilter, false); if ( $slugUsedBy ) { $this->triggerError(sprintf( 'Plugin slug "%s" is already in use by %s. Slugs must be unique.', htmlentities($this->slug), htmlentities($slugUsedBy) ), E_USER_ERROR); } add_filter($slugCheckFilter, array($this, 'getAbsolutePath')); if ( empty($this->optionName) ){ $this->optionName = 'external_updates-' . $this->slug; } //Backwards compatibility: If the plugin is a mu-plugin but no $muPluginFile is specified, assume //it's the same as $pluginFile given that it's not in a subdirectory (WP only looks in the base dir). if ( (strpbrk($this->pluginFile, '/\\') === false) && $this->isUnknownMuPlugin() ) { $this->muPluginFile = $this->pluginFile; } $this->scheduler = $this->createScheduler($checkPeriod); $this->upgraderStatus = new FormLayer_PucUpgraderStatus_3_2(); $this->installHooks(); } /* * Create an instance of the scheduler. * * This is implemented as a method to make it possible for plugins to subclass the update checker * and substitute their own scheduler. * * @param int $checkPeriod * @return FormLayer_PucScheduler_3_2 / protected function createScheduler($checkPeriod) { return new FormLayer_PucScheduler_3_2($this, $checkPeriod); } /* * Install the hooks required to run periodic update checks and inject update info * into WP data structures. * * @return void / protected function installHooks(){ //Override requests for plugin information add_filter('plugins_api', array($this, 'injectInfo'), 20, 3); //Insert our update info into the update array maintained by WP. add_filter('site_transient_update_plugins', array($this,'injectUpdate')); //WP 3.0+ add_filter('transient_update_plugins', array($this,'injectUpdate')); //WP 2.8+ add_filter('site_transient_update_plugins', array($this, 'injectTranslationUpdates')); add_filter('plugin_row_meta', array($this, 'addCheckForUpdatesLink'), 10, 2); add_action('admin_init', array($this, 'handleManualCheck')); add_action('all_admin_notices', array($this, 'displayManualCheckResult')); //Clear the version number cache when something - anything - is upgraded or WP clears the update cache. add_filter('upgrader_post_install', array($this, 'clearCachedVersion')); add_action('delete_site_transient_update_plugins', array($this, 'clearCachedVersion')); //Clear translation updates when WP clears the update cache. //This needs to be done directly because the library doesn't actually remove obsolete plugin updates, //it just hides them (see getUpdate()). We can't do that with translations - too much disk I/O. add_action('delete_site_transient_update_plugins', array($this, 'clearCachedTranslationUpdates')); if ( did_action('plugins_loaded') ) { $this->initDebugBarPanel(); } else { add_action('plugins_loaded', array($this, 'initDebugBarPanel')); } //Rename the update directory to be the same as the existing directory. add_filter('upgrader_source_selection', array($this, 'fixDirectoryName'), 10, 3); //Enable language support (i18n). load_plugin_textdomain('plugin-update-checker', false, plugin_basename(dirname(__FILE__)) . '/languages'); //Allow HTTP requests to the metadata URL even if it's on a local host. $this->metadataHost = @parse_url($this->metadataUrl, PHP_URL_HOST); add_filter('http_request_host_is_external', array($this, 'allowMetadataHost'), 10, 2); } /* * Explicitly allow HTTP requests to the metadata URL. * * WordPress has a security feature where the HTTP API will reject all requests that are sent to * another site hosted on the same server as the current site (IP match), a local host, or a local * IP, unless the host exactly matches the current site. * * This feature is opt-in (at least in WP 4.4). Apparently some people enable it. * * That can be a problem when you're developing your plugin and you decide to host the update information * on the same server as your test site. Update requests will mysteriously fail. * * We fix that by adding an exception for the metadata host. * * @param bool $allow * @param string $host * @return bool / public function allowMetadataHost($allow, $host) { if ( strtolower($host) === strtolower($this->metadataHost) ) { return true; } return $allow; } /* * Retrieve plugin info from the configured API endpoint. * * @uses wp_remote_get() * * @param array $queryArgs Additional query arguments to append to the request. Optional. * @return FormLayerInfo_3_2 / public function requestInfo($queryArgs = array()){ //Query args to append to the URL. Plugins can add their own by using a filter callback (see addQueryArgFilter()). $installedVersion = $this->getInstalledVersion(); $queryArgs['installed_version'] = ($installedVersion !== null) ? $installedVersion : ''; $queryArgs = apply_filters('puc_request_info_query_args-'.$this->slug, $queryArgs); //Various options for the wp_remote_get() call. Plugins can filter these, too. $options = array( 'timeout' => 10, //seconds 'headers' => array( 'Accept' => 'application/json' ), ); $options = apply_filters('puc_request_info_options-'.$this->slug, $options); //The plugin info should be at 'http://your-api.com/url/here/$slug/info.json' $url = $this->metadataUrl; if ( !empty($queryArgs) ){ $url = add_query_arg($queryArgs, $url); } $result = wp_remote_get( $url, $options ); //Try to parse the response $status = $this->validateApiResponse($result); $pluginInfo = null; if ( !is_wp_error($status) ){ $pluginInfo = FormLayerInfo_3_2::fromJson($result['body']); if ( $pluginInfo !== null ) { $pluginInfo->filename = $this->pluginFile; $pluginInfo->slug = $this->slug; } } else { $this->triggerError( sprintf('The URL %s does not point to a valid plugin metadata file. ', $url) . $status->get_error_message(), E_USER_WARNING ); } $pluginInfo = apply_filters('puc_request_info_result-'.$this->slug, $pluginInfo, $result); return $pluginInfo; } /* * Check if $result is a successful update API response. * * @param array\|WP_Error $result * @return true\|WP_Error / private function validateApiResponse($result) { if ( is_wp_error($result) ) { /* @var WP_Error $result / return new WP_Error($result->get_error_code(), 'WP HTTP Error: ' . $result->get_error_message()); } if ( !isset($result['response']['code']) ) { return new WP_Error('puc_no_response_code', 'wp_remote_get() returned an unexpected result.'); } if ( $result['response']['code'] !== 200 ) { return new WP_Error( 'puc_unexpected_response_code', 'HTTP response code is ' . $result['response']['code'] . ' (expected: 200)' ); } if ( empty($result['body']) ) { return new WP_Error('puc_empty_response', 'The metadata file appears to be empty.'); } return true; } /* * Retrieve the latest update (if any) from the configured API endpoint. * * @uses FormLayerUpdateChecker::requestInfo() * * @return FormLayerUpdate_3_2 An instance of FormLayerUpdate, or NULL when no updates are available. / public function requestUpdate(){ //For the sake of simplicity, this function just calls requestInfo() //and transforms the result accordingly. $pluginInfo = $this->requestInfo(array('checking_for_updates' => '1')); if ( $pluginInfo == null ){ return null; } $update = FormLayerUpdate_3_2::fromFormLayerInfo($pluginInfo); //Keep only those translation updates that apply to this site. $update->translations = $this->filterApplicableTranslations($update->translations); return $update; } /* * Filter a list of translation updates and return a new list that contains only updates * that apply to the current site. * * @param array $translations * @return array / private function filterApplicableTranslations($translations) { $languages = array_flip(array_values(get_available_languages())); $installedTranslations = wp_get_installed_translations('plugins'); if ( isset($installedTranslations[$this->slug]) ) { $installedTranslations = $installedTranslations[$this->slug]; } else { $installedTranslations = array(); } $applicableTranslations = array(); foreach($translations as $translation) { //Does it match one of the available core languages? $isApplicable = array_key_exists($translation->language, $languages); //Is it more recent than an already-installed translation? if ( isset($installedTranslations[$translation->language]) ) { $updateTimestamp = strtotime($translation->updated); $installedTimestamp = strtotime($installedTranslations[$translation->language]['PO-Revision-Date']); $isApplicable = $updateTimestamp > $installedTimestamp; } if ( $isApplicable ) { $applicableTranslations[] = $translation; } } return $applicableTranslations; } /* * Get the currently installed version of the plugin. * * @return string Version number. / public function getInstalledVersion(){ if ( isset($this->cachedInstalledVersion) ) { return $this->cachedInstalledVersion; } $pluginHeader = $this->getPluginHeader(); if ( isset($pluginHeader['Version']) ) { $this->cachedInstalledVersion = $pluginHeader['Version']; return $pluginHeader['Version']; } else { //This can happen if the filename points to something that is not a plugin. $this->triggerError( sprintf( "Can't to read the Version header for '%s'. The filename is incorrect or is not a plugin.", $this->pluginFile ), E_USER_WARNING ); return null; } } /* * Get plugin's metadata from its file header. * * @return array / protected function getPluginHeader() { if ( !is_file($this->pluginAbsolutePath) ) { //This can happen if the plugin filename is wrong. $this->triggerError( sprintf( "Can't to read the plugin header for '%s'. The file does not exist.", $this->pluginFile ), E_USER_WARNING ); return array(); } if ( !function_exists('get_plugin_data') ){ /* @noinspection PhpIncludeInspection / require_once( ABSPATH . '/wp-admin/includes/plugin.php' ); } return get_plugin_data($this->pluginAbsolutePath, false, false); } /* * Check for plugin updates. * The results are stored in the DB option specified in $optionName. * * @return FormLayerUpdate_3_2\|null / public function checkForUpdates(){ $installedVersion = $this->getInstalledVersion(); //Fail silently if we can't find the plugin or read its header. if ( $installedVersion === null ) { $this->triggerError( sprintf('Skipping update check for %s - installed version unknown.', $this->pluginFile), E_USER_WARNING ); return null; } $state = $this->getUpdateState(); if ( empty($state) ){ $state = new stdClass; $state->lastCheck = 0; $state->checkedVersion = ''; $state->update = null; } $state->lastCheck = time(); $state->checkedVersion = $installedVersion; $this->setUpdateState($state); //Save before checking in case something goes wrong $state->update = $this->requestUpdate(); $this->setUpdateState($state); return $this->getUpdate(); } /* * Load the update checker state from the DB. * * @return stdClass\|null / public function getUpdateState() { $state = get_site_option($this->optionName, null); if ( empty($state) \|\| !is_object($state)) { $state = null; } if ( isset($state, $state->update) && is_object($state->update) ) { $state->update = FormLayerUpdate_3_2::fromObject($state->update); } return $state; } /* * Persist the update checker state to the DB. * * @param StdClass $state * @return void / private function setUpdateState($state) { if ( isset($state->update) && is_object($state->update) && method_exists($state->update, 'toStdClass') ) { $update = $state->update; /* @var FormLayerUpdate_3_2 $update / $state->update = $update->toStdClass(); } update_site_option($this->optionName, $state); } /* * Reset update checker state - i.e. last check time, cached update data and so on. * * Call this when your plugin is being uninstalled, or if you want to * clear the update cache. / public function resetUpdateState() { delete_site_option($this->optionName); } /* * Intercept plugins_api() calls that request information about our plugin and * use the configured API endpoint to satisfy them. * * @see plugins_api() * * @param mixed $result * @param string $action * @param array\|object $args * @return mixed / public function injectInfo($result, $action = null, $args = null){ $relevant = ($action == 'plugin_information') && isset($args->slug) && ( ($args->slug == $this->slug) \|\| ($args->slug == dirname($this->pluginFile)) ); if ( !$relevant ) { return $result; } $pluginInfo = $this->requestInfo(); $pluginInfo = apply_filters('puc_pre_inject_info-' . $this->slug, $pluginInfo); if ( $pluginInfo ) { return $pluginInfo->toWpFormat(); } return $result; } /* * Insert the latest update (if any) into the update list maintained by WP. * * @param StdClass $updates Update list. * @return StdClass Modified update list. / public function injectUpdate($updates){ //Is there an update to insert? $update = $this->getUpdate(); //No update notifications for mu-plugins unless explicitly enabled. The MU plugin file //is usually different from the main plugin file so the update wouldn't show up properly anyway. if ( $this->isUnknownMuPlugin() ) { $update = null; } if ( !empty($update) ) { //Let plugins filter the update info before it's passed on to WordPress. $update = apply_filters('puc_pre_inject_update-' . $this->slug, $update); $updates = $this->addUpdateToList($updates, $update); } else { //Clean up any stale update info. $updates = $this->removeUpdateFromList($updates); } return $updates; } /* * @param StdClass\|null $updates * @param FormLayerUpdate_3_2 $updateToAdd * @return StdClass / private function addUpdateToList($updates, $updateToAdd) { if ( !is_object($updates) ) { $updates = new stdClass(); $updates->response = array(); } $wpUpdate = $updateToAdd->toWpFormat(); $pluginFile = $this->pluginFile; if ( $this->isMuPlugin() ) { //WP does not support automatic update installation for mu-plugins, but we can still display a notice. $wpUpdate->package = null; $pluginFile = $this->muPluginFile; } $updates->response[$pluginFile] = $wpUpdate; return $updates; } /* * @param stdClass\|null $updates * @return stdClass\|null / private function removeUpdateFromList($updates) { if ( isset($updates, $updates->response) ) { unset($updates->response[$this->pluginFile]); if ( !empty($this->muPluginFile) ) { unset($updates->response[$this->muPluginFile]); } } return $updates; } /* * Insert translation updates into the list maintained by WordPress. * * @param stdClass $updates * @return stdClass / public function injectTranslationUpdates($updates) { $translationUpdates = $this->getTranslationUpdates(); if ( empty($translationUpdates) ) { return $updates; } //Being defensive. if ( !is_object($updates) ) { $updates = new stdClass(); } if ( !isset($updates->translations) ) { $updates->translations = array(); } //In case there's a name collision with a plugin hosted on wordpress.org, //remove any preexisting updates that match our plugin. $translationType = 'plugin'; $filteredTranslations = array(); foreach($updates->translations as $translation) { if ( ($translation['type'] === $translationType) && ($translation['slug'] === $this->slug) ) { continue; } $filteredTranslations[] = $translation; } $updates->translations = $filteredTranslations; //Add our updates to the list. foreach($translationUpdates as $update) { $convertedUpdate = array_merge( array( 'type' => $translationType, 'slug' => $this->slug, 'autoupdate' => 0, //AFAICT, WordPress doesn't actually use the "version" field for anything. //But lets make sure it's there, just in case. 'version' => isset($update->version) ? $update->version : ('1.' . strtotime($update->updated)), ), (array)$update ); $updates->translations[] = $convertedUpdate; } return $updates; } /* * Rename the update directory to match the existing plugin directory. * * When WordPress installs a plugin or theme update, it assumes that the ZIP file will contain * exactly one directory, and that the directory name will be the same as the directory where * the plugin/theme is currently installed. * * GitHub and other repositories provide ZIP downloads, but they often use directory names like * "project-branch" or "project-tag-hash". We need to change the name to the actual plugin folder. * * This is a hook callback. Don't call it from a plugin. * * @param string $source The directory to copy to /wp-content/plugins. Usually a subdirectory of $remoteSource. * @param string $remoteSource WordPress has extracted the update to this directory. * @param WP_Upgrader $upgrader * @return string\|WP_Error / public function fixDirectoryName($source, $remoteSource, $upgrader) { global $wp_filesystem; /* @var WP_Filesystem_Base $wp_filesystem / //Basic sanity checks. if ( !isset($source, $remoteSource, $upgrader, $upgrader->skin, $wp_filesystem) ) { return $source; } //If WordPress is upgrading anything other than our plugin, leave the directory name unchanged. if ( !$this->isPluginBeingUpgraded($upgrader) ) { return $source; } //Rename the source to match the existing plugin directory. $pluginDirectoryName = dirname($this->pluginFile); if ( $pluginDirectoryName === '.' ) { return $source; } $correctedSource = trailingslashit($remoteSource) . $pluginDirectoryName . '/'; if ( $source !== $correctedSource ) { //The update archive should contain a single directory that contains the rest of plugin files. Otherwise, //WordPress will try to copy the entire working directory ($source == $remoteSource). We can't rename //$remoteSource because that would break WordPress code that cleans up temporary files after update. if ( $this->isBadDirectoryStructure($remoteSource) ) { return new WP_Error( 'puc-incorrect-directory-structure', sprintf( 'The directory structure of the update is incorrect. All plugin files should be inside ' . 'a directory named <span class="code">%s</span>, not at the root of the ZIP file.', htmlentities($this->slug) ) ); } /* @var WP_Upgrader_Skin $upgrader->skin / $upgrader->skin->feedback(sprintf( 'Renaming %s to %s…', '<span class="code">' . basename($source) . '</span>', '<span class="code">' . $pluginDirectoryName . '</span>' )); if ( $wp_filesystem->move($source, $correctedSource, true) ) { $upgrader->skin->feedback('Plugin directory successfully renamed.'); return $correctedSource; } else { return new WP_Error( 'puc-rename-failed', 'Unable to rename the update to match the existing plugin directory.' ); } } return $source; } /* * Check for incorrect update directory structure. An update must contain a single directory, * all other files should be inside that directory. * * @param string $remoteSource Directory path. * @return bool / private function isBadDirectoryStructure($remoteSource) { global $wp_filesystem; /* @var WP_Filesystem_Base $wp_filesystem / $sourceFiles = $wp_filesystem->dirlist($remoteSource); if ( is_array($sourceFiles) ) { $sourceFiles = array_keys($sourceFiles); $firstFilePath = trailingslashit($remoteSource) . $sourceFiles[0]; return (count($sourceFiles) > 1) \|\| (!$wp_filesystem->is_dir($firstFilePath)); } //Assume it's fine. return false; } /* * Is there and update being installed RIGHT NOW, for this specific plugin? * * @param WP_Upgrader\|null $upgrader The upgrader that's performing the current update. * @return bool / public function isPluginBeingUpgraded($upgrader = null) { return $this->upgraderStatus->isPluginBeingUpgraded($this->pluginFile, $upgrader); } /* * Get the details of the currently available update, if any. * * If no updates are available, or if the last known update version is below or equal * to the currently installed version, this method will return NULL. * * Uses cached update data. To retrieve update information straight from * the metadata URL, call requestUpdate() instead. * * @return FormLayerUpdate_3_2\|null / public function getUpdate() { $state = $this->getUpdateState(); /* @var StdClass $state / //Is there an update available? if ( isset($state, $state->update) ) { $update = $state->update; //Check if the update is actually newer than the currently installed version. $installedVersion = $this->getInstalledVersion(); if ( ($installedVersion !== null) && version_compare($update->version, $installedVersion, '>') ){ $update->filename = $this->pluginFile; return $update; } } return null; } /* * Get a list of available translation updates. * * This method will return an empty array if there are no updates. * Uses cached update data. * * @return array / public function getTranslationUpdates() { $state = $this->getUpdateState(); if ( isset($state, $state->update, $state->update->translations) ) { return $state->update->translations; } return array(); } /* * Remove all cached translation updates. * * @see wp_clean_update_cache / public function clearCachedTranslationUpdates() { $state = $this->getUpdateState(); if ( isset($state, $state->update, $state->update->translations) ) { $state->update->translations = array(); $this->setUpdateState($state); } } /* * Add a "Check for updates" link to the plugin row in the "Plugins" page. By default, * the new link will appear after the "Visit plugin site" link. * * You can change the link text by using the "puc_manual_check_link-$slug" filter. * Returning an empty string from the filter will disable the link. * * @param array $pluginMeta Array of meta links. * @param string $pluginFile * @return array / public function addCheckForUpdatesLink($pluginMeta, $pluginFile) { $isRelevant = ($pluginFile == $this->pluginFile) \|\| (!empty($this->muPluginFile) && $pluginFile == $this->muPluginFile); if ( $isRelevant && current_user_can('update_plugins') ) { $linkUrl = wp_nonce_url( add_query_arg( array( 'puc_check_for_updates' => 1, 'puc_slug' => $this->slug, ), self_admin_url('plugins.php') ), 'puc_check_for_updates' ); $linkText = apply_filters('puc_manual_check_link-' . $this->slug, __('Check for updates', 'formlayer-pro')); if ( !empty($linkText) ) { $final_link = sprintf('<a href="%s">%s</a>', esc_attr($linkUrl), $linkText); $pluginMeta[] = apply_filters('puc_manual_final_check_link-' . $this->slug, $final_link); } } return $pluginMeta; } /* * Check for updates when the user clicks the "Check for updates" link. * @see self::addCheckForUpdatesLink() * * @return void / public function handleManualCheck() { $shouldCheck = isset($_GET['puc_check_for_updates'], $_GET['puc_slug']) && $_GET['puc_slug'] == $this->slug && current_user_can('update_plugins') && check_admin_referer('puc_check_for_updates'); if ( $shouldCheck ) { $update = $this->checkForUpdates(); $status = ($update === null) ? 'no_update' : 'update_available'; wp_redirect(add_query_arg( array( 'puc_update_check_result' => $status, 'puc_slug' => $this->slug, ), self_admin_url('plugins.php') )); } } /* * Display the results of a manual update check. * @see self::handleManualCheck() * * You can change the result message by using the "puc_manual_check_message-$slug" filter. / public function displayManualCheckResult() { if ( isset($_GET['puc_update_check_result'], $_GET['puc_slug']) && ($_GET['puc_slug'] == $this->slug) ) { $status = strval($_GET['puc_update_check_result']); if ( $status == 'no_update' ) { $message = __('This plugin is up to date.', 'formlayer-pro'); } else if ( $status == 'update_available' ) { $message = __('A new version of this plugin is available.', 'formlayer-pro'); } else { // Translators: %s is the status of the update checker. $message = sprintf(__('Unknown update checker status "%s"', 'formlayer-pro'), htmlentities($status)); } printf( '<div class="updated notice is-dismissible"><p>%s</p></div>', apply_filters('puc_manual_check_message-' . $this->slug, $message, $status) ); } } /* * Check if the plugin file is inside the mu-plugins directory. * * @return bool / protected function isMuPlugin() { static $cachedResult = null; if ( $cachedResult === null ) { //Convert both paths to the canonical form before comparison. $muPluginDir = realpath(WPMU_PLUGIN_DIR); $pluginPath = realpath($this->pluginAbsolutePath); if(!empty($muPluginDir)){ $cachedResult = (strpos($pluginPath, $muPluginDir) === 0); }else{ $cachedResult = false; } } return $cachedResult; } /* * MU plugins are partially supported, but only when we know which file in mu-plugins * corresponds to this plugin. * * @return bool / protected function isUnknownMuPlugin() { return empty($this->muPluginFile) && $this->isMuPlugin(); } /* * Clear the cached plugin version. This method can be set up as a filter (hook) and will * return the filter argument unmodified. * * @param mixed $filterArgument * @return mixed / public function clearCachedVersion($filterArgument = null) { $this->cachedInstalledVersion = null; return $filterArgument; } /* * Get absolute path to the main plugin file. * * @return string / public function getAbsolutePath() { return $this->pluginAbsolutePath; } /* * Register a callback for filtering query arguments. * * The callback function should take one argument - an associative array of query arguments. * It should return a modified array of query arguments. * * @uses add_filter() This method is a convenience wrapper for add_filter(). * * @param callable $callback * @return void / public function addQueryArgFilter($callback){ add_filter('puc_request_info_query_args-'.$this->slug, $callback); } /* * Register a callback for filtering arguments passed to wp_remote_get(). * * The callback function should take one argument - an associative array of arguments - * and return a modified array or arguments. See the WP documentation on wp_remote_get() * for details on what arguments are available and how they work. * * @uses add_filter() This method is a convenience wrapper for add_filter(). * * @param callable $callback * @return void / public function addHttpRequestArgFilter($callback){ add_filter('puc_request_info_options-'.$this->slug, $callback); } /* * Register a callback for filtering the plugin info retrieved from the external API. * * The callback function should take two arguments. If the plugin info was retrieved * successfully, the first argument passed will be an instance of FormLayerInfo. Otherwise, * it will be NULL. The second argument will be the corresponding return value of * wp_remote_get (see WP docs for details). * * The callback function should return a new or modified instance of FormLayerInfo or NULL. * * @uses add_filter() This method is a convenience wrapper for add_filter(). * * @param callable $callback * @return void / public function addResultFilter($callback){ add_filter('puc_request_info_result-'.$this->slug, $callback, 10, 2); } /* * Register a callback for one of the update checker filters. * * Identical to add_filter(), except it automatically adds the "puc_" prefix * and the "-$plugin_slug" suffix to the filter name. For example, "request_info_result" * becomes "puc_request_info_result-your_plugin_slug". * * @param string $tag * @param callable $callback * @param int $priority * @param int $acceptedArgs / public function addFilter($tag, $callback, $priority = 10, $acceptedArgs = 1) { add_filter('puc_' . $tag . '-' . $this->slug, $callback, $priority, $acceptedArgs); } /* * Initialize the update checker Debug Bar plugin/add-on thingy. / public function initDebugBarPanel() { $debugBarPlugin = dirname(__FILE__) . '/debug-bar-plugin.php'; if ( class_exists('Debug_Bar', false) && file_exists($debugBarPlugin) ) { /* @noinspection PhpIncludeInspection / require_once $debugBarPlugin; $this->debugBarPlugin = new FormLayer_PucDebugBarPlugin_3_2($this); } } /* * Trigger a PHP error, but only when $debugMode is enabled. * * @param string $message * @param int $errorType / protected function triggerError($message, $errorType) { if ( $this->debugMode ) { trigger_error($message, $errorType); } } } endif; if ( !class_exists('FormLayerInfo_3_2', false) ): /* * A container class for holding and transforming various plugin metadata. * * @author Janis Elsts * @copyright 2016 * @version 3.2 * @access public / #[\AllowDynamicProperties] class FormLayerInfo_3_2 { //Most fields map directly to the contents of the plugin's info.json file. //See the relevant docs for a description of their meaning. public $name; public $slug; public $version; public $homepage; public $sections = array(); public $banners; public $translations = array(); public $download_url; public $author; public $author_homepage; public $requires; public $tested; public $upgrade_notice; public $rating; public $num_ratings; public $downloaded; public $active_installs; public $last_updated; public $id = 0; //The native WP.org API returns numeric plugin IDs, but they're not used for anything. public $filename; //Plugin filename relative to the plugins directory. /* * Create a new instance of FormLayerInfo from JSON-encoded plugin info * returned by an external update API. * * @param string $json Valid JSON string representing plugin info. * @return FormLayerInfo_3_2\|null New instance of FormLayerInfo, or NULL on error. / public static function fromJson($json){ /* @var StdClass $apiResponse / $apiResponse = json_decode($json); if ( empty($apiResponse) \|\| !is_object($apiResponse) ){ trigger_error( "Failed to parse plugin metadata. Try validating your .json file with http://jsonlint.com/", E_USER_NOTICE ); return null; } $valid = self::validateMetadata($apiResponse); if ( is_wp_error($valid) ){ trigger_error($valid->get_error_message(), E_USER_NOTICE); return null; } $info = new self(); foreach(get_object_vars($apiResponse) as $key => $value){ $info->$key = $value; } //json_decode decodes assoc. arrays as objects. We want it as an array. $info->sections = (array)$info->sections; return $info; } /* * Very, very basic validation. * * @param StdClass $apiResponse * @return bool\|WP_Error / protected static function validateMetadata($apiResponse) { if ( !isset($apiResponse->name, $apiResponse->version) \|\| empty($apiResponse->name) \|\| empty($apiResponse->version) ) { return new WP_Error( 'puc-invalid-metadata', "The plugin metadata file does not contain the required 'name' and/or 'version' keys." ); } return true; } /* * Transform plugin info into the format used by the native WordPress.org API * * @return object / public function toWpFormat(){ $info = new stdClass; //The custom update API is built so that many fields have the same name and format //as those returned by the native WordPress.org API. These can be assigned directly. $sameFormat = array( 'name', 'slug', 'version', 'requires', 'tested', 'rating', 'upgrade_notice', 'num_ratings', 'downloaded', 'active_installs', 'homepage', 'last_updated', ); foreach($sameFormat as $field){ if ( isset($this->$field) ) { $info->$field = $this->$field; } else { $info->$field = null; } } //Other fields need to be renamed and/or transformed. $info->download_link = $this->download_url; $info->author = $this->getFormattedAuthor(); $info->sections = array_merge(array('description' => ''), $this->sections); if ( !empty($this->banners) ) { //WP expects an array with two keys: "high" and "low". Both are optional. //Docs: https://wordpress.org/plugins/about/faq/#banners $info->banners = is_object($this->banners) ? get_object_vars($this->banners) : $this->banners; $info->banners = array_intersect_key($info->banners, array('high' => true, 'low' => true)); } return $info; } protected function getFormattedAuthor() { if ( !empty($this->author_homepage) ){ return sprintf('<a href="%s">%s</a>', $this->author_homepage, $this->author); } return $this->author; } } endif; if ( !class_exists('FormLayerUpdate_3_2', false) ): /* * A simple container class for holding information about an available update. * * @author Janis Elsts * @copyright 2016 * @version 3.2 * @access public / #[\AllowDynamicProperties] class FormLayerUpdate_3_2 { public $id = 0; public $slug; public $version; public $homepage; public $download_url; public $upgrade_notice; public $tested; public $translations = array(); public $filename; //Plugin filename relative to the plugins directory. private static $fields = array( 'id', 'slug', 'version', 'homepage', 'tested', 'download_url', 'upgrade_notice', 'filename', 'translations' ); /* * Create a new instance of FormLayerUpdate from its JSON-encoded representation. * * @param string $json * @return FormLayerUpdate_3_2\|null / public static function fromJson($json){ //Since update-related information is simply a subset of the full plugin info, //we can parse the update JSON as if it was a plugin info string, then copy over //the parts that we care about. $pluginInfo = FormLayerInfo_3_2::fromJson($json); if ( $pluginInfo != null ) { return self::fromFormLayerInfo($pluginInfo); } else { return null; } } /* * Create a new instance of FormLayerUpdate based on an instance of FormLayerInfo. * Basically, this just copies a subset of fields from one object to another. * * @param FormLayerInfo_3_2 $info * @return FormLayerUpdate_3_2 / public static function fromFormLayerInfo($info){ return self::fromObject($info); } /* * Create a new instance of FormLayerUpdate by copying the necessary fields from * another object. * * @param StdClass\|FormLayerInfo_3_2\|FormLayerUpdate_3_2 $object The source object. * @return FormLayerUpdate_3_2 The new copy. / public static function fromObject($object) { $update = new self(); $fields = self::$fields; if ( !empty($object->slug) ) { $fields = apply_filters('puc_retain_fields-' . $object->slug, $fields); } foreach($fields as $field){ if (property_exists($object, $field)) { $update->$field = $object->$field; } } return $update; } /* * Create an instance of StdClass that can later be converted back to * a FormLayerUpdate. Useful for serialization and caching, as it avoids * the "incomplete object" problem if the cached value is loaded before * this class. * * @return StdClass / public function toStdClass() { $object = new stdClass(); $fields = self::$fields; if ( !empty($this->slug) ) { $fields = apply_filters('puc_retain_fields-' . $this->slug, $fields); } foreach($fields as $field){ if (property_exists($this, $field)) { $object->$field = $this->$field; } } return $object; } /* * Transform the update into the format used by WordPress native plugin API. * * @return object / public function toWpFormat(){ $update = new stdClass; $update->id = $this->id; $update->slug = $this->slug; $update->new_version = $this->version; $update->url = $this->homepage; $update->package = $this->download_url; $update->tested = $this->tested; $update->plugin = $this->filename; if ( !empty($this->upgrade_notice) ){ $update->upgrade_notice = $this->upgrade_notice; } return $update; } } endif; if ( !class_exists('FormLayer_PucScheduler_3_2', false) ): /* * The scheduler decides when and how often to check for updates. * It calls @see FormLayerUpdateChecker::checkForUpdates() to perform the actual checks. * * @version 3.2 / class FormLayer_PucScheduler_3_2 { public $checkPeriod = 12; //How often to check for updates (in hours). public $throttleRedundantChecks = false; //Check less often if we already know that an update is available. public $throttledCheckPeriod = 72; /* * @var FormLayerUpdateChecker_3_2 / protected $updateChecker; private $cronHook = null; /* * Scheduler constructor. * * @param FormLayerUpdateChecker_3_2 $updateChecker * @param int $checkPeriod How often to check for updates (in hours). / public function __construct($updateChecker, $checkPeriod) { $this->updateChecker = $updateChecker; $this->checkPeriod = $checkPeriod; //Set up the periodic update checks $this->cronHook = 'check_plugin_updates-' . $this->updateChecker->slug; if ( $this->checkPeriod > 0 ){ //Trigger the check via Cron. //Try to use one of the default schedules if possible as it's less likely to conflict //with other plugins and their custom schedules. $defaultSchedules = array( 1 => 'hourly', 12 => 'twicedaily', 24 => 'daily', ); if ( array_key_exists($this->checkPeriod, $defaultSchedules) ) { $scheduleName = $defaultSchedules[$this->checkPeriod]; } else { //Use a custom cron schedule. $scheduleName = 'every' . $this->checkPeriod . 'hours'; add_filter('cron_schedules', array($this, '_addCustomSchedule')); } if ( !wp_next_scheduled($this->cronHook) && !defined('WP_INSTALLING') ) { wp_schedule_event(time(), $scheduleName, $this->cronHook); } add_action($this->cronHook, array($this, 'maybeCheckForUpdates')); register_deactivation_hook($this->updateChecker->pluginFile, array($this, '_removeUpdaterCron')); //In case Cron is disabled or unreliable, we also manually trigger //the periodic checks while the user is browsing the Dashboard. add_action( 'admin_init', array($this, 'maybeCheckForUpdates') ); //Like WordPress itself, we check more often on certain pages. /* @see wp_update_plugins / add_action('load-update-core.php', array($this, 'maybeCheckForUpdates')); add_action('load-plugins.php', array($this, 'maybeCheckForUpdates')); add_action('load-update.php', array($this, 'maybeCheckForUpdates')); //This hook fires after a bulk update is complete. add_action('upgrader_process_complete', array($this, 'maybeCheckForUpdates'), 11, 0); } else { //Periodic checks are disabled. wp_clear_scheduled_hook($this->cronHook); } } /* * Check for updates if the configured check interval has already elapsed. * Will use a shorter check interval on certain admin pages like "Dashboard -> Updates" or when doing cron. * * You can override the default behaviour by using the "puc_check_now-$slug" filter. * The filter callback will be passed three parameters: * - Current decision. TRUE = check updates now, FALSE = don't check now. * - Last check time as a Unix timestamp. * - Configured check period in hours. * Return TRUE to check for updates immediately, or FALSE to cancel. * * This method is declared public because it's a hook callback. Calling it directly is not recommended. / public function maybeCheckForUpdates(){ if ( empty($this->checkPeriod) ){ return; } $state = $this->updateChecker->getUpdateState(); $shouldCheck = empty($state) \|\| !isset($state->lastCheck) \|\| ( (time() - $state->lastCheck) >= $this->getEffectiveCheckPeriod() ); //Let plugin authors substitute their own algorithm. $shouldCheck = apply_filters( 'puc_check_now-' . $this->updateChecker->slug, $shouldCheck, (!empty($state) && isset($state->lastCheck)) ? $state->lastCheck : 0, $this->checkPeriod ); if ( $shouldCheck ) { $this->updateChecker->checkForUpdates(); } } /* * Calculate the actual check period based on the current status and environment. * * @return int Check period in seconds. / protected function getEffectiveCheckPeriod() { $currentFilter = current_filter(); if ( in_array($currentFilter, array('load-update-core.php', 'upgrader_process_complete')) ) { //Check more often when the user visits "Dashboard -> Updates" or does a bulk update. $period = 60; } else if ( in_array($currentFilter, array('load-plugins.php', 'load-update.php')) ) { //Also check more often on the "Plugins" page and /wp-admin/update.php. $period = 3600; } else if ( $this->throttleRedundantChecks && ($this->updateChecker->getUpdate() !== null) ) { //Check less frequently if it's already known that an update is available. $period = $this->throttledCheckPeriod 3600; } else if ( defined('DOING_CRON') && constant('DOING_CRON') ) { //WordPress cron schedules are not exact, so lets do an update check even //if slightly less than $checkPeriod hours have elapsed since the last check. $cronFuzziness = 20 * 60; $period = $this->checkPeriod * 3600 - $cronFuzziness; } else { $period = $this->checkPeriod * 3600; } return $period; } /** * Add our custom schedule to the array of Cron schedules used by WP. * * @param array $schedules * @return array / public function _addCustomSchedule($schedules){ if ( $this->checkPeriod && ($this->checkPeriod > 0) ){ $scheduleName = 'every' . $this->checkPeriod . 'hours'; $schedules[$scheduleName] = array( 'interval' => $this->checkPeriod 3600, 'display' => sprintf('Every %d hours', $this->checkPeriod), ); } return $schedules; } /** * Remove the scheduled cron event that the library uses to check for updates. * * @return void / public function _removeUpdaterCron(){ wp_clear_scheduled_hook($this->cronHook); } /* * Get the name of the update checker's WP-cron hook. Mostly useful for debugging. * * @return string / public function getCronHookName() { return $this->cronHook; } } endif; if ( !class_exists('FormLayer_PucUpgraderStatus_3_2', false) ): /* * A utility class that helps figure out which plugin WordPress is upgrading. * * It may seem strange to have an separate class just for that, but the task is surprisingly complicated. * Core classes like Plugin_Upgrader don't expose the plugin file name during an in-progress update (AFAICT). * This class uses a few workarounds and heuristics to get the file name. / #[\AllowDynamicProperties] class FormLayer_PucUpgraderStatus_3_2 { private $upgradedPluginFile = null; //The plugin that is currently being upgraded by WordPress. public function __construct() { //Keep track of which plugin WordPress is currently upgrading. add_filter('upgrader_pre_install', array($this, 'setUpgradedPlugin'), 10, 2); add_filter('upgrader_package_options', array($this, 'setUpgradedPluginFromOptions'), 10, 1); add_filter('upgrader_post_install', array($this, 'clearUpgradedPlugin'), 10, 1); add_action('upgrader_process_complete', array($this, 'clearUpgradedPlugin'), 10, 1); } /* * Is there and update being installed RIGHT NOW, for a specific plugin? * * Caution: This method is unreliable. WordPress doesn't make it easy to figure out what it is upgrading, * and upgrader implementations are liable to change without notice. * * @param string $pluginFile The plugin to check. * @param WP_Upgrader\|null $upgrader The upgrader that's performing the current update. * @return bool True if the plugin identified by $pluginFile is being upgraded. / public function isPluginBeingUpgraded($pluginFile, $upgrader = null) { if ( isset($upgrader) ) { $upgradedPluginFile = $this->getPluginBeingUpgradedBy($upgrader); if ( !empty($upgradedPluginFile) ) { $this->upgradedPluginFile = $upgradedPluginFile; } } return ( !empty($this->upgradedPluginFile) && ($this->upgradedPluginFile === $pluginFile) ); } /* * Get the file name of the plugin that's currently being upgraded. * * @param Plugin_Upgrader\|WP_Upgrader $upgrader * @return string\|null / private function getPluginBeingUpgradedBy($upgrader) { if ( !isset($upgrader, $upgrader->skin) ) { return null; } //Figure out which plugin is being upgraded. $pluginFile = null; $skin = $upgrader->skin; if ( $skin instanceof Plugin_Upgrader_Skin ) { if ( isset($skin->plugin) && is_string($skin->plugin) && ($skin->plugin !== '') ) { $pluginFile = $skin->plugin; } } elseif ( isset($skin->plugin_info) && is_array($skin->plugin_info) ) { //This case is tricky because Bulk_Plugin_Upgrader_Skin (etc) doesn't actually store the plugin //filename anywhere. Instead, it has the plugin headers in $plugin_info. So the best we can //do is compare those headers to the headers of installed plugins. $pluginFile = $this->identifyPluginByHeaders($skin->plugin_info); } return $pluginFile; } /* * Identify an installed plugin based on its headers. * * @param array $searchHeaders The plugin file header to look for. * @return string\|null Plugin basename ("foo/bar.php"), or NULL if we can't identify the plugin. / private function identifyPluginByHeaders($searchHeaders) { if ( !function_exists('get_plugins') ){ /* @noinspection PhpIncludeInspection / require_once( ABSPATH . '/wp-admin/includes/plugin.php' ); } $installedPlugins = get_plugins(); $matches = array(); foreach($installedPlugins as $pluginBasename => $headers) { $diff1 = array_diff_assoc($headers, $searchHeaders); $diff2 = array_diff_assoc($searchHeaders, $headers); if ( empty($diff1) && empty($diff2) ) { $matches[] = $pluginBasename; } } //It's possible (though very unlikely) that there could be two plugins with identical //headers. In that case, we can't unambiguously identify the plugin that's being upgraded. if ( count($matches) !== 1 ) { return null; } return reset($matches); } /* * @access private * * @param mixed $input * @param array $hookExtra * @return mixed Returns $input unaltered. / public function setUpgradedPlugin($input, $hookExtra) { if (!empty($hookExtra['plugin']) && is_string($hookExtra['plugin'])) { $this->upgradedPluginFile = $hookExtra['plugin']; } else { $this->upgradedPluginFile = null; } return $input; } /* * @access private * * @param array $options * @return array / public function setUpgradedPluginFromOptions($options) { if (isset($options['hook_extra']['plugin']) && is_string($options['hook_extra']['plugin'])) { $this->upgradedPluginFile = $options['hook_extra']['plugin']; } else { $this->upgradedPluginFile = null; } return $options; } /* * @access private * * @param mixed $input * @return mixed Returns $input unaltered. / public function clearUpgradedPlugin($input = null) { $this->upgradedPluginFile = null; return $input; } } endif; if ( !class_exists('FormLayer_PucFactory', false) ): /* * A factory that builds instances of other classes from this library. * * When multiple versions of the same class have been loaded (e.g. FormLayerUpdateChecker 1.2 * and 1.3), this factory will always use the latest available version. Register class * versions by calling {@link FormLayer_PucFactory::addVersion()}. * * At the moment it can only build instances of the FormLayerUpdateChecker class. Other classes * are intended mainly for internal use and refer directly to specific implementations. If you * want to instantiate one of them anyway, you can use {@link FormLayer_PucFactory::getLatestClassVersion()} * to get the class name and then create it with <code>new $class(...)</code>. / #[\AllowDynamicProperties] class FormLayer_PucFactory { protected static $classVersions = array(); protected static $sorted = false; /* * Create a new instance of FormLayerUpdateChecker. * * @see FormLayerUpdateChecker::__construct() * * @param $metadataUrl * @param $pluginFile * @param string $slug * @param int $checkPeriod * @param string $optionName * @param string $muPluginFile * @return FormLayerUpdateChecker_3_2 / public static function buildUpdateChecker($metadataUrl, $pluginFile, $slug = '', $checkPeriod = 12, $optionName = '', $muPluginFile = '') { $class = self::getLatestClassVersion('FormLayerUpdateChecker'); return new $class($metadataUrl, $pluginFile, $slug, $checkPeriod, $optionName, $muPluginFile); } /* * Get the specific class name for the latest available version of a class. * * @param string $class * @return string\|null / public static function getLatestClassVersion($class) { if ( !self::$sorted ) { self::sortVersions(); } if ( isset(self::$classVersions[$class]) ) { return reset(self::$classVersions[$class]); } else { return null; } } /* * Sort available class versions in descending order (i.e. newest first). / protected static function sortVersions() { foreach ( self::$classVersions as $class => $versions ) { uksort($versions, array(__CLASS__, 'compareVersions')); self::$classVersions[$class] = $versions; } self::$sorted = true; } protected static function compareVersions($a, $b) { return -version_compare($a, $b); } /* * Register a version of a class. * * @access private This method is only for internal use by the library. * * @param string $generalClass Class name without version numbers, e.g. 'FormLayerUpdateChecker'. * @param string $versionedClass Actual class name, e.g. 'FormLayerUpdateChecker_1_2'. * @param string $version Version number, e.g. '1.2'. */ public static function addVersion($generalClass, $versionedClass, $version) { if ( !isset(self::$classVersions[$generalClass]) ) { self::$classVersions[$generalClass] = array(); } self::$classVersions[$generalClass][$version] = $versionedClass; self::$sorted = false; } } endif; //Register classes defined in this file with the factory. FormLayer_PucFactory::addVersion('FormLayerUpdateChecker', 'FormLayerUpdateChecker_3_2', '3.2'); FormLayer_PucFactory::addVersion('FormLayerUpdate', 'FormLayerUpdate_3_2', '3.2'); FormLayer_PucFactory::addVersion('FormLayerInfo', 'FormLayerInfo_3_2', '3.2'); FormLayer_PucFactory::addVersion('FormLayer_PucGitHubChecker', 'FormLayer_PucGitHubChecker_3_2', '3.2');