add wp-rocket
This commit is contained in:
nguyen dung
@@ -0,0 +1,673 @@
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<?php
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namespace WP_Rocket\Busting;
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use WP_Rocket\Logger\Logger;
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/**
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* Manages the cache busting of the Facebook SDK file.
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*
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* @since 3.2
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* @author Grégory Viguier
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*/
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class Facebook_SDK extends Abstract_Busting {
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/**
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* Facebook SDK URL.
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* %s is a locale like "en_US".
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*
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* @var string
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* @since 3.2
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* @access protected
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* @author Grégory Viguier
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*/
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protected $url = 'https://connect.facebook.net/%s/sdk.js';
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/**
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* Filename for the cache busting file.
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* %s is a locale like "en_US".
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*
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* @var string
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* @since 3.2
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* @access protected
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* @author Grégory Viguier
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*/
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protected $filename = 'fbsdk-%s.js';
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/**
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* Flag to track the replacement.
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*
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* @var bool
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* @since 3.2
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* @access private
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* @author Grégory Viguier
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*/
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protected $is_replaced = false;
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/**
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* Constructor.
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*
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* @since 3.2
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* @access public
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* @author Grégory Viguier
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*
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* @param string $busting_path Path to the busting directory.
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* @param string $busting_url URL of the busting directory.
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*/
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public function __construct( $busting_path, $busting_url ) {
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/** Warning: the file name and script URL are dynamic, and must be run through sprintf(). */
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$this->busting_path = $busting_path . 'facebook-tracking/';
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$this->busting_url = $busting_url . 'facebook-tracking/';
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}
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/**
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* Perform the URL replacement process.
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*
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* @since 3.2
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* @access public
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* @author Grégory Viguier
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*
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* @param string $html HTML contents.
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* @return string HTML contents.
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*/
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public function replace_url( $html ) {
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$this->is_replaced = false;
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$tag = $this->find( '<script[^>]*?>(.*)<\/script>', $html );
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if ( ! $tag ) {
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return $html;
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}
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Logger::info(
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'FACEBOOK SDK CACHING PROCESS STARTED.',
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[
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'fb sdk',
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'tag' => $tag,
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]
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);
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$locale = $this->get_locale_from_url( $tag );
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$remote_url = $this->get_url( $locale );
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if ( ! $this->save( $remote_url ) ) {
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return $html;
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}
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$file_url = $this->get_busting_file_url( $locale );
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$replace_tag = preg_replace( '@(?:https?:)?//connect\.facebook\.net/[a-zA-Z_-]+/sdk\.js@i', $file_url, $tag, -1, $count );
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if ( ! $count || false === strpos( $html, $tag ) ) {
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Logger::error( 'The local file URL could not be replaced in the page contents.', [ 'fb sdk' ] );
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return $html;
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}
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$html = str_replace( $tag, $replace_tag, $html );
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$file_path = $this->get_busting_file_path( $locale );
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$xfbml = $this->get_xfbml_from_url( $tag ); // Default value should be set to false.
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$app_id = $this->get_appId_from_url( $tag ); // APP_ID is the only required value.
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$url_version = $this->get_version_from_url( $tag );
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$version = false === $url_version ? 'v5.0' : $url_version; // If version is not available set it to the latest: v.5.0.
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if ( false !== $app_id ) {
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// Add FB async init.
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$fb_async_script = '<script>window.fbAsyncInit = function fbAsyncInit () {FB.init({appId: \'' . $app_id . '\',xfbml: ' . $xfbml . ',version: \'' . $version . '\'})}</script>';
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$html = str_replace( '</body>', $fb_async_script . '</body>', $html );
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}
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$this->is_replaced = true;
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/**
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* Triggered once the Facebook SDK URL has been replaced in the page contents.
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*
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* @since 3.2
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* @author Grégory Viguier
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*
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* @param string $file_url URL of the local main file.
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* @param string $file_path Path to the local file.
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*/
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do_action( 'rocket_after_facebook_sdk_url_replaced', $file_url, $file_path );
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Logger::info(
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'Facebook SDK caching process succeeded.',
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[
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'fb sdk',
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'file' => $file_path,
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]
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);
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return $html;
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}
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/**
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* Tell if the replacement was sucessful or not.
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*
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* @since 3.2
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* @access public
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* @author Grégory Viguier
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*
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* @return bool
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*/
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public function is_replaced() {
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return $this->is_replaced;
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}
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/** ----------------------------------------------------------------------------------------- */
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/** GRAB/MANIPULATE DATA IN CONTENTS ======================================================== */
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/** ----------------------------------------------------------------------------------------- */
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/**
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* Search for an element in the DOM.
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*
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* @since 3.2
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* @access private
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* @author Grégory Viguier
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*
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* @param string $pattern Pattern to match.
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* @param string $html HTML contents.
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* @return string|bool The matched HTML on success. False if nothing is found.
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*/
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protected function find( $pattern, $html ) {
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preg_match_all( '/' . $pattern . '/Umsi', $html, $matches, PREG_SET_ORDER );
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if ( empty( $matches ) ) {
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return false;
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}
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foreach ( $matches as $match ) {
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if ( trim( $match[1] ) && preg_match( '@//connect\.facebook\.net/[a-zA-Z_-]+/sdk\.js@i', $match[1] ) ) {
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return $match[0];
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}
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}
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return false;
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}
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/** ----------------------------------------------------------------------------------------- */
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/** UPDATE/SAVE A LOCAL FILE ================================================================ */
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/** ----------------------------------------------------------------------------------------- */
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/**
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* Save the contents of a URL into a local file if it doesn't exist yet.
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*
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* @since 3.2
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* @access public
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* @author Grégory Viguier
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*
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* @param string $url URL to get the contents from.
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* @return bool True on success. False on failure.
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*/
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public function save( $url ) {
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$locale = $this->get_locale_from_url( $url );
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$path = $this->get_busting_file_path( $locale );
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if ( \rocket_direct_filesystem()->exists( $path ) ) {
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// If a previous version is present, keep it.
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return true;
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}
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return $this->refresh_save( $url );
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}
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/**
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* Save the contents of a URL into a local file.
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*
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* @since 3.2
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* @access public
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* @author Grégory Viguier
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*
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* @param string $url URL to get the contents from.
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* @return bool True on success. False on failure.
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*/
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public function refresh_save( $url ) {
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$content = $this->get_file_content( $url );
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if ( ! $content ) {
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// Error, we couldn't fetch the file contents.
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return false;
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}
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$locale = $this->get_locale_from_url( $url );
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$path = $this->get_busting_file_path( $locale );
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return (bool) $this->update_file_contents( $path, $content );
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}
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/**
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* Add new contents to a file. If the file doesn't exist, it is created.
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*
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* @since 3.2
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* @access private
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* @author Grégory Viguier
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*
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* @param string $file_path Path to the file to update.
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* @param string $file_contents New contents.
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* @return string|bool The file contents on success. False on failure.
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*/
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private function update_file_contents( $file_path, $file_contents ) {
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if ( ! \rocket_direct_filesystem()->exists( $this->busting_path ) ) {
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\rocket_mkdir_p( $this->busting_path );
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}
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if ( ! \rocket_put_content( $file_path, $file_contents ) ) {
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Logger::error(
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'Contents could not be written into file.',
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[
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'fb sdk',
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'path' => $file_path,
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]
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);
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return false;
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}
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/**
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* Triggered once a file contents have been updated.
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*
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* @since 3.2
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* @author Grégory Viguier
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*
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* @param string $file_path Path to the file to update.
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* @param string $file_contents The file contents.
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*/
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do_action( 'rocket_after_facebook_sdk_file_updated', $file_path, $file_contents );
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return $file_contents;
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}
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/** ----------------------------------------------------------------------------------------- */
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/** PUBLIC BULK ACTIONS ON LOCAL FILES ====================================================== */
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/** ----------------------------------------------------------------------------------------- */
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/**
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* Look for existing local files and update their contents if there's a new version available.
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* Actually, if a more recent version exists on the FB side, it will delete all local files and hit the home page to recreate them.
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*
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* @since 3.2
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* @access public
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* @author Grégory Viguier
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*
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* @return bool True on success. False on failure.
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*/
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public function refresh() {
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$files = $this->get_files();
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if ( ! $files ) {
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// No files (or there's an error).
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return false !== $files;
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}
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$error_paths = [];
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$pattern = $this->escape_file_name( $this->filename );
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$pattern = sprintf( $pattern, '(?<locale>[a-zA-Z_-]+)' );
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foreach ( $files as $file ) {
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preg_match( '/^' . $pattern . '$/', $file, $matches );
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$remote_url = $this->get_url( $matches['locale'] );
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if ( ! $this->refresh_save( $remote_url ) ) {
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$error_paths[] = $this->get_busting_file_path( $matches['locale'] );
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}
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}
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if ( $error_paths ) {
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Logger::error(
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'Local file(s) could not be updated.',
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[
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'fb sdk',
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'paths' => $error_paths,
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]
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);
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}
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/**
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* Triggered once all local files have been updated (or not).
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*
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* @since 3.2
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* @author Grégory Viguier
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*
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* @param array $files An array of file names.
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* @param array $error_paths Paths to the files that couldn't be updated. An empty array if everything is fine.
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*/
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do_action( 'rocket_after_facebook_sdk_files_refresh', $files, $error_paths );
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return ! $error_paths;
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}
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/**
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* Delete all Facebook SDK busting files.
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*
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* @since 3.2
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* @access public
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* @author Grégory Viguier
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*
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* @return bool True on success. False on failure.
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*/
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public function delete() {
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$filesystem = \rocket_direct_filesystem();
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$files = $this->get_files();
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if ( ! $files ) {
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// No files (or there's an error).
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return false !== $files;
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}
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$error_paths = [];
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foreach ( $files as $file_name ) {
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if ( ! $filesystem->delete( $this->busting_path . $file_name, false, 'f' ) ) {
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$error_paths[] = $this->busting_path . $file_name;
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}
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}
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if ( $error_paths ) {
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Logger::error(
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'Local file(s) could not be deleted.',
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[
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'fb sdk',
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'paths' => $error_paths,
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]
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);
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}
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/**
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* Triggered once all local files have been deleted (or not).
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*
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* @since 3.2
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* @author Grégory Viguier
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*
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* @param array $files An array of file names.
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* @param array $error_paths Paths to the files that couldn't be deleted. An empty array if everything is fine.
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*/
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do_action( 'rocket_after_facebook_sdk_files_deleted', $files, $error_paths );
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return ! $error_paths;
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}
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/** ----------------------------------------------------------------------------------------- */
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/** SCAN FOR LOCAL FILES ==================================================================== */
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/** ----------------------------------------------------------------------------------------- */
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/**
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* Get all cached files in the directory.
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*
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* @since 3.2
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* @access private
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* @author Grégory Viguier
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*
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* @return array|bool A list of file names. False on failure.
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*/
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private function get_files() {
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$filesystem = \rocket_direct_filesystem();
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$dir_path = rtrim( $this->busting_path, '\\/' );
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if ( ! $filesystem->exists( $dir_path ) ) {
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return [];
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}
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if ( ! $filesystem->is_writable( $dir_path ) ) {
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Logger::error(
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'Directory is not writable.',
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[
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'fb sdk',
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'path' => $dir_path,
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]
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);
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return false;
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}
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$dir = $filesystem->dirlist( $dir_path );
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if ( false === $dir ) {
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Logger::error(
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'Could not get the directory contents.',
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[
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'fb sdk',
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'path' => $dir_path,
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]
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);
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return false;
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}
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if ( ! $dir ) {
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return [];
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}
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$list = [];
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$pattern = $this->escape_file_name( $this->filename );
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$pattern = sprintf( $pattern, '[a-zA-Z_-]+' );
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foreach ( $dir as $entry ) {
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if ( 'f' !== $entry['type'] ) {
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continue;
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}
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if ( preg_match( '/^' . $pattern . '$/', $entry['name'], $matches ) ) {
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$list[ $entry['name'] ] = $entry['name'];
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}
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}
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return $list;
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}
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/** ----------------------------------------------------------------------------------------- */
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/** REMOTE SDK FILE ========================================================================= */
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/** ----------------------------------------------------------------------------------------- */
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|
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/**
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* Get the remote Facebook SDK URL.
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*
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||||
* @since 3.2
|
||||
* @access private
|
||||
* @author Grégory Viguier
|
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*
|
||||
* @param string $locale A locale string, like 'en_US'.
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* @return string
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*/
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public function get_url( $locale ) {
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return sprintf( $this->url, $locale );
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}
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|
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/**
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* Extract the locale from a URL to bust.
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*
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||||
* @since 3.2
|
||||
* @access private
|
||||
* @author Grégory Viguier
|
||||
*
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* @param string $url Any string containing the URL to bust.
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* @return string|bool The locale on success. False on failure.
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*/
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private function get_locale_from_url( $url ) {
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$pattern = '@//connect\.facebook\.net/(?<locale>[a-zA-Z_-]+)/sdk\.js@i';
|
||||
|
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if ( ! preg_match( $pattern, $url, $matches ) ) {
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return false;
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}
|
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|
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return $matches['locale'];
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}
|
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|
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/**
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* Extract XFBML from a URL to bust.
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*
|
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* @since 3.4.3
|
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* @access private
|
||||
* @author Soponar Cristina
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||||
*
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* @param string $url Any string containing the URL to bust.
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* @return string|bool The XFBML on success. False on failure.
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*/
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private function get_xfbml_from_url( $url ) {
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$pattern = '@//connect\.facebook\.net/(?<locale>[a-zA-Z_-]+)/sdk\.js#(?:.+&)?xfbml=(?<xfbml>[0-9]+)@i';
|
||||
|
||||
if ( ! preg_match( $pattern, $url, $matches ) ) {
|
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return false;
|
||||
}
|
||||
|
||||
return $matches['xfbml'];
|
||||
}
|
||||
|
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/**
|
||||
* Extract appId from a URL to bust.
|
||||
*
|
||||
* @since 3.4.3
|
||||
* @access private
|
||||
* @author Soponar Cristina
|
||||
*
|
||||
* @param string $url Any string containing the URL to bust.
|
||||
* @return string|bool The appId on success. False on failure.
|
||||
*/
|
||||
private function get_appId_from_url( $url ) {
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||||
$pattern = '@//connect\.facebook\.net/(?<locale>[a-zA-Z_-]+)/sdk\.js#(?:.+&)?appId=(?<appId>[0-9]+)@i';
|
||||
|
||||
if ( ! preg_match( $pattern, $url, $matches ) ) {
|
||||
return false;
|
||||
}
|
||||
|
||||
return $matches['appId'];
|
||||
}
|
||||
|
||||
/**
|
||||
* Extract version from a URL to bust.
|
||||
*
|
||||
* @since 3.4.3
|
||||
* @access private
|
||||
* @author Soponar Cristina
|
||||
*
|
||||
* @param string $url Any string containing the URL to bust.
|
||||
* @return string|bool The version on success. False on failure.
|
||||
*/
|
||||
private function get_version_from_url( $url ) {
|
||||
$pattern = '@//connect\.facebook\.net/(?<locale>[a-zA-Z_-]+)/sdk\.js#(?:.+&)?version=(?<version>[a-zA-Z0-9.]+)@i';
|
||||
|
||||
if ( ! preg_match( $pattern, $url, $matches ) ) {
|
||||
return false;
|
||||
}
|
||||
|
||||
return $matches['version'];
|
||||
}
|
||||
|
||||
/** ----------------------------------------------------------------------------------------- */
|
||||
/** BUSTING FILE ============================================================================ */
|
||||
/** ----------------------------------------------------------------------------------------- */
|
||||
|
||||
/**
|
||||
* Get the local Facebook SDK URL.
|
||||
*
|
||||
* @since 3.2
|
||||
* @access private
|
||||
* @author Grégory Viguier
|
||||
*
|
||||
* @param string $locale A locale string, like 'en_US'.
|
||||
* @return string
|
||||
*/
|
||||
private function get_busting_file_url( $locale ) {
|
||||
$filename = $this->get_busting_file_name( $locale );
|
||||
|
||||
// This filter is documented in inc/functions/minify.php.
|
||||
return apply_filters( 'rocket_js_url', apply_filters( 'rocket_facebook_sdk_url', $this->busting_url . $filename ) );
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the local Facebook SDK file name.
|
||||
*
|
||||
* @since 3.2
|
||||
* @access private
|
||||
* @author Grégory Viguier
|
||||
*
|
||||
* @param string $locale A locale string, like 'en_US'.
|
||||
* @return string
|
||||
*/
|
||||
private function get_busting_file_name( $locale ) {
|
||||
return sprintf( $this->filename, $locale );
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the local Facebook SDK file path.
|
||||
*
|
||||
* @since 3.2
|
||||
* @access private
|
||||
* @author Grégory Viguier
|
||||
*
|
||||
* @param string $locale A locale string, like 'en_US'.
|
||||
* @return string
|
||||
*/
|
||||
private function get_busting_file_path( $locale ) {
|
||||
return $this->busting_path . $this->get_busting_file_name( $locale );
|
||||
}
|
||||
|
||||
/** ----------------------------------------------------------------------------------------- */
|
||||
/** TOOLS =================================================================================== */
|
||||
/** ----------------------------------------------------------------------------------------- */
|
||||
|
||||
/**
|
||||
* Get the contents of a URL.
|
||||
*
|
||||
* @since 3.2
|
||||
* @access protected
|
||||
* @author Grégory Viguier
|
||||
*
|
||||
* @param string $url The URL to request.
|
||||
* @return string|bool The contents on success. False on failure.
|
||||
*/
|
||||
protected function get_file_content( $url ) {
|
||||
try {
|
||||
$response = wp_remote_get( $url );
|
||||
} catch ( \Exception $e ) {
|
||||
Logger::error(
|
||||
'Remote file could not be fetched.',
|
||||
[
|
||||
'fb sdk',
|
||||
'url' => $url,
|
||||
'response' => $e->getMessage(),
|
||||
]
|
||||
);
|
||||
return false;
|
||||
}
|
||||
|
||||
if ( is_wp_error( $response ) ) {
|
||||
Logger::error(
|
||||
'Remote file could not be fetched.',
|
||||
[
|
||||
'fb sdk',
|
||||
'url' => $url,
|
||||
'response' => $response->get_error_message(),
|
||||
]
|
||||
);
|
||||
return false;
|
||||
}
|
||||
|
||||
$contents = wp_remote_retrieve_body( $response );
|
||||
|
||||
if ( ! $contents ) {
|
||||
Logger::error(
|
||||
'Remote file could not be fetched.',
|
||||
[
|
||||
'fb sdk',
|
||||
'url' => $url,
|
||||
'response' => $response,
|
||||
]
|
||||
);
|
||||
return false;
|
||||
}
|
||||
|
||||
return $contents;
|
||||
}
|
||||
|
||||
/**
|
||||
* Escape a file name, to be used in a regex pattern (delimiter is `/`).
|
||||
* `%s` conversion specifications are protected.
|
||||
*
|
||||
* @since 3.2
|
||||
* @access private
|
||||
* @author Grégory Viguier
|
||||
*
|
||||
* @param string $file_name The file name.
|
||||
* @return string
|
||||
*/
|
||||
private function escape_file_name( $file_name ) {
|
||||
$file_name = explode( '%s', $file_name );
|
||||
$file_name = array_map( 'preg_quote', $file_name );
|
||||
|
||||
return implode( '%s', $file_name );
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user