608 lines
18 KiB
PHP
608 lines
18 KiB
PHP
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<?php
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/**
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* File: PageSpeed_Api.php
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*
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* Controls Google OAuth2.0 requests both for authentication and queries against the PageSpeed API.
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*
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* @since 2.3.0 Update to utilize OAuth2.0 and overhaul of feature.
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*
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* @package W3TC
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*/
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namespace W3TC;
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/**
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* PageSpeed API.
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*
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* @since 2.3.0
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*/
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class PageSpeed_Api {
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/**
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* Config.
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*
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* @var object
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*/
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private $config;
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/**
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* W3TCG_Google_Client.
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*
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* @var object
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*/
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public $client;
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/**
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* W3TC Google Client JSON. Overwritten by W3TC_GOOGLE_CLIENT_JSON constant.
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*
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* @var string
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*/
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private $google_client_json = '{"web":{"client_id":"887173527583-mvtpm465985h8pokb3os715s9s3emv78.apps.googleusercontent.com","project_id":"w3tc-testing","auth_uri":"https://accounts.google.com/o/oauth2/auth","token_uri":"https://oauth2.googleapis.com/token","auth_provider_x509_cert_url":"https://www.googleapis.com/oauth2/v1/certs","client_secret":"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","redirect_uris":["google/authorize-in/","google/authorize-out/","google/update-token/","google/get-token/"]}}';
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/**
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* W3TC API server base URL. Overwritten by W3TC_API2_URL constant.
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*
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* @var string
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*/
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private $w3tc_api_base_url = 'https://api2.w3-edge.com';
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/**
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* Retry Attemps. Overwritten by W3TC_PAGESPEED_MAX_ATTEMPTS constant.
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*
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* @var string
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*/
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private $retry_attempts = 4;
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/**
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* Google PageSpeed API URL. Overwritten by W3TC_PAGESPEED_API_URL constant.
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*
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* @var string
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*/
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private $pagespeed_api_base_url = 'https://www.googleapis.com/pagespeedonline/v5/runPagespeed';
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/**
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* PageSpeed API constructor.
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*
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* @since 2.3.0
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*
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* @param string $access_token_json API access token JSON.
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*/
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public function __construct( $access_token_json = null ) {
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$this->config = Dispatcher::config();
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$this->client = new \W3TCG_Google_Client();
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$this->client->setApplicationName( 'W3TC PageSpeed Analyzer' );
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$this->client->setAuthConfig( $this->get_client_json() );
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$this->client->setRedirectUri( $this->get_w3tc_api_url( 'google/authorize-out/' ) );
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$this->client->addScope( 'openid' );
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$this->client->setAccessType( 'offline' );
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$this->client->setApprovalPrompt( 'force' );
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$this->client->setDefer( true );
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if ( ! empty( $access_token_json ) ) {
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$this->client->setAccessToken( $access_token_json );
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$this->maybe_refresh_token();
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}
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}
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/**
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* Run PageSpeed API.
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*
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* @since 2.3.0
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*
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* @return void
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*/
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public function run() {
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add_action( 'admin_notices', array( $this, 'authorize_notice' ) );
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}
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/**
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* Fully analyze URL via PageSpeed API.
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*
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* @since 2.3.0
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*
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* @param string $url URL to analyze via PageSpeed API.
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*
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* @return array
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*/
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public function analyze( $url ) {
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$mobile = $this->analyze_strategy( $url, 'mobile' );
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$desktop = $this->analyze_strategy( $url, 'desktop' );
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return array(
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'mobile' => $mobile,
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'desktop' => $desktop,
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'test_url' => Util_Environment::url_format(
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$this->get_pagespeed_url(),
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array( 'url' => $url )
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),
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);
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}
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/**
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* Analyze URL via PageSpeed API using strategy.
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*
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* @since 2.3.0
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*
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* @param string $url URL to analyze.
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* @param string $strategy Strategy to use desktop/mobile.
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*
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* @return array
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*/
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public function analyze_strategy( $url, $strategy ) {
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$data = $this->process_request(
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array(
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'url' => $url,
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'category' => 'performance',
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'strategy' => $strategy,
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)
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);
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if ( ! empty( Util_PageSpeed::get_value_recursive( $data, array( 'error', 'code' ) ) ) ) {
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return array(
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'error' => array(
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'code' => Util_PageSpeed::get_value_recursive( $data, array( 'error', 'code' ) ),
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'message' => Util_PageSpeed::get_value_recursive( $data, array( 'error', 'message' ) ),
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),
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);
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}
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return array_merge_recursive(
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PageSpeed_Data::prepare_pagespeed_data( $data ),
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PageSpeed_Instructions::get_pagespeed_instructions()
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);
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}
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/**
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* Make API request.
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*
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* @since 2.3.0
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*
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* @param string $query API request query.
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*
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* @return array
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*/
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public function process_request( $query ) {
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$access_token_json = $this->client->getAccessToken();
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if ( empty( $access_token_json ) ) {
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return array(
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'error' => array(
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'code' => 403,
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'message' => __( 'Missing Google access token.', 'w3-total-cache' ),
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),
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);
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}
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$access_token = json_decode( $access_token_json );
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$request = Util_Environment::url_format(
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$this->get_pagespeed_url(),
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array_merge(
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$query,
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array(
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'quotaUser' => Util_Http::generate_site_id(),
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'access_token' => $access_token->access_token,
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)
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)
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);
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// Attempt the request up to x times with an increasing delay between each attempt. Uses W3TC_PAGESPEED_MAX_ATTEMPTS constant if defined.
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$attempts = 0;
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while ( ++$attempts <= $this->get_max_attempts() ) {
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try {
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$response = wp_remote_get(
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$request,
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array(
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'timeout' => 60,
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)
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);
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if ( ! is_wp_error( $response ) && 200 === $response['response']['code'] ) {
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break;
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}
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} catch ( \Exception $e ) {
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if ( $attempts >= $this->get_max_attempts() ) {
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return array(
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'error' => array(
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'code' => 500,
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'message' => $e->getMessage(),
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),
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);
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}
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}
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// Sleep for a cumulative .5 seconds each attempt.
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usleep( $attempts * 500000 );
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};
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if ( isset( $response['response']['code'] ) && 200 !== $response['response']['code'] ) {
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// Google PageSpeed Insights sometimes will return a 500 and message body with details so we still grab the body response.
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$decoded_body = json_decode( wp_remote_retrieve_body( $response ), true );
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return array(
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'error' => array(
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'code' => $response['response']['code'],
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'message' => ( ! empty( $decoded_body['error']['message'] ) ? $decoded_body['error']['message'] : $response['response']['message'] ),
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),
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);
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}
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return json_decode( wp_remote_retrieve_body( $response ), true );
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}
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/**
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* Checks if the Google access token is expired and attempts to refresh.
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*
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* @since 2.3.0
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*
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* @return void
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*/
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public function maybe_refresh_token() {
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if ( $this->client->isAccessTokenExpired() && ! empty( $this->config->get_string( 'widget.pagespeed.w3tc_pagespeed_key' ) ) ) {
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$this->refresh_token();
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}
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}
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/**
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* Refreshes the Google access token if a valid refresh token is defined.
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*
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* @return string
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*/
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public function refresh_token() {
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$initial_refresh_token = $this->client->getRefreshToken();
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if ( empty( $initial_refresh_token ) ) {
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$initial_refresh_token_json = $this->get_refresh_token( Util_Http::generate_site_id(), $this->config->get_string( 'widget.pagespeed.w3tc_pagespeed_key' ) );
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$initial_refresh_token = json_decode( $initial_refresh_token_json );
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if ( ! empty( $initial_refresh_token->error ) ) {
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$refresh_url = $this->get_w3tc_api_url( 'google/get-token' ) . '/' . Util_Http::generate_site_id() . '/' . $this->config->get_string( 'widget.pagespeed.w3tc_pagespeed_key' );
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$error_code = ! empty( $initial_refresh_token->error->code ) ? $initial_refresh_token->error->code : 'N/A';
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$error_message = ! empty( $initial_refresh_token->error->message ) ? $initial_refresh_token->error->message : 'N/A';
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return wp_json_encode(
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array(
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'error' => '<p><strong>' . esc_html__( 'API request error!', 'w3-total-cache' ) . '</strong></p>
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<p>' . esc_html__( 'Refresh URL : ', 'w3-total-cache' ) . $refresh_url . '</p>
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<p>' . esc_html__( 'Response Code : ', 'w3-total-cache' ) . $error_code . '</p>
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<p>' . esc_html__( 'Response Message : ', 'w3-total-cache' ) . $error_message . '</p>',
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)
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);
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}
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}
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try {
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$this->client->refreshToken( $initial_refresh_token->refresh_token );
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} catch ( \Exception $e ) {
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return wp_json_encode(
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array(
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'error' => array(
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'code' => 500,
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'message' => $e->getMessage(),
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),
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)
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);
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}
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$new_access_token = json_decode( $this->client->getAccessToken() );
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if ( ! empty( $new_access_token->refresh_token ) ) {
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$new_refresh_token = $new_access_token->refresh_token;
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unset( $new_access_token->refresh_token );
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$request = Util_Environment::url_format(
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$this->get_w3tc_api_url( 'google/update-token' ),
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array(
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'site_id' => Util_Http::generate_site_id(),
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'w3tc_pagespeed_key' => $this->config->get_string( 'widget.pagespeed.w3tc_pagespeed_key' ),
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'refresh_token' => $new_refresh_token,
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)
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);
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$response = wp_remote_get(
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$request,
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array(
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'timeout' => 60,
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)
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);
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if ( is_wp_error( $response ) ) {
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return wp_json_encode(
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array(
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'error' => array(
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'code' => $response->get_error_code(),
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'message' => $response->get_error_message(),
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),
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)
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);
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} elseif ( isset( $response['error']['code'] ) && 200 !== $response['error']['code'] ) {
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if ( 'update-token-missing-site-id' === $response['error']['id'] ) {
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$message = __( 'No site ID provided for Google access record update!', 'w3-total-cache' );
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} elseif ( 'update-token-missing-w3tc-pagespeed-key' === $response['error']['id'] ) {
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$message = __( 'No W3 key provided for Google access record update!', 'w3-total-cache' );
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} elseif ( 'update-token-missing-refresh-token' === $response['error']['id'] ) {
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$message = __( 'No refresh token provided for Google access record update!', 'w3-total-cache' );
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} elseif ( 'update-token-not-found' === $response['error']['id'] ) {
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$message = __( 'No matching Google access record found for W3 key!', 'w3-total-cache' );
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}
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return wp_json_encode(
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array(
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'error' => array(
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'code' => $response['error']['code'],
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'message' => $message,
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),
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)
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);
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}
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}
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$this->config->set( 'widget.pagespeed.access_token', wp_json_encode( $new_access_token ) );
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$this->config->save();
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return wp_json_encode( array( 'access_key' => $new_access_token ) );
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}
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/**
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* Creates new Google access token from authorize request response.
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*
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* @since 2.3.0
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*
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* @param string $gacode New Google access authentication code.
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* @param string $w3tc_pagespeed_key W3 API access key.
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*
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* @return string
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*/
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public function process_authorization_response( $gacode, $w3tc_pagespeed_key ) {
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if ( empty( $gacode ) ) {
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return wp_json_encode(
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array(
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'error' => array(
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'code' => 409,
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'message' => __( 'Missing/invalid Google access authentication code.', 'w3-total-cache' ),
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),
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)
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);
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} elseif ( empty( $w3tc_pagespeed_key ) ) {
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return wp_json_encode(
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array(
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'error' => array(
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'code' => 409,
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'message' => __( 'Missing/invalid W3 API key.', 'w3-total-cache' ),
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),
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
try {
|
||
|
|
$this->client->authenticate( $gacode );
|
||
|
|
} catch ( \Exception $e ) {
|
||
|
|
return wp_json_encode(
|
||
|
|
array(
|
||
|
|
'error' => array(
|
||
|
|
'code' => 500,
|
||
|
|
'message' => $e->getMessage(),
|
||
|
|
),
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
$access_token_json = $this->client->getAccessToken();
|
||
|
|
|
||
|
|
if ( empty( $access_token_json ) ) {
|
||
|
|
return wp_json_encode(
|
||
|
|
array(
|
||
|
|
'error' => array(
|
||
|
|
'code' => 409,
|
||
|
|
'message' => __( 'Missing/invalid Google access token JSON setting after authentication.', 'w3-total-cache' ),
|
||
|
|
),
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
$access_token = ( ! empty( $access_token_json ) ? json_decode( $access_token_json ) : '' );
|
||
|
|
|
||
|
|
$request = Util_Environment::url_format(
|
||
|
|
$this->get_w3tc_api_url( 'google/update-token' ),
|
||
|
|
array(
|
||
|
|
'site_id' => Util_Http::generate_site_id(),
|
||
|
|
'w3tc_pagespeed_key' => $w3tc_pagespeed_key,
|
||
|
|
'refresh_token' => $access_token->refresh_token,
|
||
|
|
)
|
||
|
|
);
|
||
|
|
|
||
|
|
$response = wp_remote_get(
|
||
|
|
$request,
|
||
|
|
array(
|
||
|
|
'timeout' => 60,
|
||
|
|
)
|
||
|
|
);
|
||
|
|
|
||
|
|
if ( is_wp_error( $response ) ) {
|
||
|
|
return wp_json_encode(
|
||
|
|
array(
|
||
|
|
'error' => array(
|
||
|
|
'code' => $response->get_error_code(),
|
||
|
|
'message' => $response->get_error_message(),
|
||
|
|
),
|
||
|
|
)
|
||
|
|
);
|
||
|
|
} elseif ( isset( $response['error']['code'] ) && 200 !== $response['error']['code'] ) {
|
||
|
|
if ( 'update-token-missing-site-id' === $response['error']['id'] ) {
|
||
|
|
$message = __( 'No site ID provided for Google access record update!', 'w3-total-cache' );
|
||
|
|
} elseif ( 'update-token-missing-w3tc-pagespeed-key' === $response['error']['id'] ) {
|
||
|
|
$message = __( 'No W3 key provided for Google access record update!', 'w3-total-cache' );
|
||
|
|
} elseif ( 'update-token-missing-refresh-token' === $response['error']['id'] ) {
|
||
|
|
$message = __( 'No refresh token provided for Google access record update!', 'w3-total-cache' );
|
||
|
|
} elseif ( 'update-token-not-found' === $response['error']['id'] ) {
|
||
|
|
$message = __( 'No matching Google access record found for W3 key!', 'w3-total-cache' );
|
||
|
|
}
|
||
|
|
return wp_json_encode(
|
||
|
|
array(
|
||
|
|
'error' => array(
|
||
|
|
'code' => $response['error']['code'],
|
||
|
|
'message' => $message,
|
||
|
|
),
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
unset( $access_token->refresh_token );
|
||
|
|
|
||
|
|
$this->config->set( 'widget.pagespeed.access_token', wp_json_encode( $access_token ) );
|
||
|
|
$this->config->set( 'widget.pagespeed.w3tc_pagespeed_key', $w3tc_pagespeed_key );
|
||
|
|
$this->config->save();
|
||
|
|
|
||
|
|
return wp_json_encode( array( 'refresh_token' => $access_token ) );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Fetches Google refresh token from W3 API server.
|
||
|
|
*
|
||
|
|
* @since 2.3.0
|
||
|
|
*
|
||
|
|
* @param string $site_id Site ID.
|
||
|
|
* @param string $w3tc_pagespeed_key W3 API access key.
|
||
|
|
*
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
public function get_refresh_token( $site_id, $w3tc_pagespeed_key ) {
|
||
|
|
if ( empty( $site_id ) ) {
|
||
|
|
return wp_json_encode(
|
||
|
|
array(
|
||
|
|
'error' => array(
|
||
|
|
'code' => 409,
|
||
|
|
'message' => __( 'Missing/invalid Site ID.', 'w3-total-cache' ),
|
||
|
|
),
|
||
|
|
)
|
||
|
|
);
|
||
|
|
} elseif ( empty( $w3tc_pagespeed_key ) ) {
|
||
|
|
return wp_json_encode(
|
||
|
|
array(
|
||
|
|
'error' => array(
|
||
|
|
'code' => 409,
|
||
|
|
'message' => __( 'Missing/invalid W3 API key.', 'w3-total-cache' ),
|
||
|
|
),
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
$request = $this->get_w3tc_api_url( 'google/get-token' ) . '/' . $site_id . '/' . $w3tc_pagespeed_key;
|
||
|
|
|
||
|
|
$response = wp_remote_get(
|
||
|
|
$request,
|
||
|
|
array(
|
||
|
|
'timeout' => 60,
|
||
|
|
)
|
||
|
|
);
|
||
|
|
|
||
|
|
if ( is_wp_error( $response ) ) {
|
||
|
|
return wp_json_encode(
|
||
|
|
array(
|
||
|
|
'error' => array(
|
||
|
|
'code' => $response->get_error_code(),
|
||
|
|
'message' => $response->get_error_message(),
|
||
|
|
),
|
||
|
|
)
|
||
|
|
);
|
||
|
|
} elseif ( isset( $response['error']['code'] ) && 200 !== $response['error']['code'] ) {
|
||
|
|
if ( 'get-token-missing-site-id' === $response['error']['id'] ) {
|
||
|
|
$message = __( 'No site ID provided for Google access record update!', 'w3-total-cache' );
|
||
|
|
} elseif ( 'get-token-missing-w3tc-pagespeed-key' === $response['error']['id'] ) {
|
||
|
|
$message = __( 'No W3 key provided for Google access record update!', 'w3-total-cache' );
|
||
|
|
} elseif ( 'get-token-not-found' === $response['error']['id'] ) {
|
||
|
|
$message = __( 'No matching Google access record found for W3 key!', 'w3-total-cache' );
|
||
|
|
} elseif ( 'get-token-bad-record' === $response['error']['id'] ) {
|
||
|
|
$message = __( 'Matching Google access record found but the refresh token value is blank!', 'w3-total-cache' );
|
||
|
|
}
|
||
|
|
|
||
|
|
return wp_json_encode(
|
||
|
|
array(
|
||
|
|
'error' => array(
|
||
|
|
'code' => $response['error']['code'],
|
||
|
|
'message' => $message,
|
||
|
|
),
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Response body should contain a JSON format string.
|
||
|
|
return wp_remote_retrieve_body( $response );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get Google Client JSON config.
|
||
|
|
*
|
||
|
|
* @since 2.3.0
|
||
|
|
*
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
public function get_client_json() {
|
||
|
|
$client_json = defined( 'W3TC_GOOGLE_CLIENT_JSON' ) && W3TC_GOOGLE_CLIENT_JSON ? W3TC_GOOGLE_CLIENT_JSON : $this->google_client_json;
|
||
|
|
$client = json_decode( $client_json );
|
||
|
|
foreach ( $client->web->redirect_uris as $redirect_uri_key => $redirect_uri_value ) {
|
||
|
|
$client->web->redirect_uris[ $redirect_uri_key ] = $this->get_w3tc_api_url( $redirect_uri_value );
|
||
|
|
}
|
||
|
|
return wp_json_encode( $client );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get W3TC PageSpeed API max attempts.
|
||
|
|
*
|
||
|
|
* @since 2.3.0
|
||
|
|
*
|
||
|
|
* @return int
|
||
|
|
*/
|
||
|
|
public function get_max_attempts() {
|
||
|
|
return defined( 'W3TC_PAGESPEED_MAX_ATTEMPTS' ) && W3TC_PAGESPEED_MAX_ATTEMPTS ? W3TC_PAGESPEED_MAX_ATTEMPTS : $this->retry_attempts;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get Google PageSpeed API URL.
|
||
|
|
*
|
||
|
|
* @since 2.3.0
|
||
|
|
*
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
public function get_pagespeed_url() {
|
||
|
|
return defined( 'W3TC_PAGESPEED_API_URL' ) && W3TC_PAGESPEED_API_URL ? W3TC_PAGESPEED_API_URL : $this->pagespeed_api_base_url;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get W3TC API server URL target.
|
||
|
|
*
|
||
|
|
* @since 2.3.0
|
||
|
|
*
|
||
|
|
* @param string $target API target URI.
|
||
|
|
*
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
public function get_w3tc_api_url( $target ) {
|
||
|
|
return defined( 'W3TC_API2_URL' ) && W3TC_API2_URL ?
|
||
|
|
trailingslashit( W3TC_API2_URL ) . $target :
|
||
|
|
trailingslashit( $this->w3tc_api_base_url ) . $target;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* PageSpeed authorize admin notice.
|
||
|
|
*
|
||
|
|
* @since 2.3.0
|
||
|
|
*/
|
||
|
|
public function authorize_notice() {
|
||
|
|
if ( current_user_can( 'manage_options' ) && get_option( 'w3tcps_authorize_success' ) ) {
|
||
|
|
echo '<div class="updated is-dismissible"><p>' . esc_html( get_option( 'w3tcps_authorize_success' ) ) . '</p></div>';
|
||
|
|
delete_option( 'w3tcps_authorize_success ' );
|
||
|
|
} elseif ( current_user_can( 'manage_options' ) && get_option( 'w3tcps_authorize_fail' ) ) {
|
||
|
|
echo '<div class="error is-dismissible"><p>' . esc_html( get_option( 'w3tcps_authorize_fail' ) ) . '</p><p>' . wp_kses( get_option( 'w3tcps_authorize_fail_message' ), Util_PageSpeed::get_allowed_tags() ) . '</p></div>';
|
||
|
|
delete_option( 'w3tcps_authorize_fail ' );
|
||
|
|
delete_option( 'w3tcps_authorize_fail_message ' );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Reset authentication.
|
||
|
|
*
|
||
|
|
* @since 2.3.0
|
||
|
|
*/
|
||
|
|
public function reset() {
|
||
|
|
$access_token = $this->client->getAccessToken();
|
||
|
|
$this->client->revokeToken( $access_token );
|
||
|
|
$this->config->set( 'widget.pagespeed.access_token', '' );
|
||
|
|
$this->config->set( 'widget.pagespeed.w3key', '' );
|
||
|
|
$this->config->save();
|
||
|
|
}
|
||
|
|
}
|