405 lines
11 KiB
PHP
405 lines
11 KiB
PHP
<?php
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/**
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* File: Extension_ImageService_Api.php
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*
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* @since 2.2.0
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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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* Class: Extension_ImageService_Api
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*
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* @since 2.2.0
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*/
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class Extension_ImageService_Api {
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/**
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* API Base URL.
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*
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* @since 2.2.0
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* @access private
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*
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* @var string
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*/
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private $base_url = 'https://api2.w3-edge.com';
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/**
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* W3TC Pro license key.
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*
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* @since 2.2.0
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* @access private
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*
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* @var string
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*/
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private $license_key = '0';
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/**
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* W3TC Pro licensed home URL.
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*
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* @since 2.2.0
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* @access private
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*
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* @var string
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*/
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private $home_url;
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/**
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* W3TC Pro licensed product item name.
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*
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* @since 2.2.0
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* @access private
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*
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* @var string
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*/
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private $item_name = '0';
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/**
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* API endpoints.
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*
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* @since 2.2.0
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* @access private
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*
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* @var array
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*/
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private $endpoints = array(
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'convert' => array(
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'method' => 'POST',
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'uri' => '/image/convert',
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),
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'status' => array(
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'method' => 'GET',
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'uri' => '/job/status',
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),
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'download' => array(
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'method' => 'GET',
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'uri' => '/image/download',
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),
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'usage' => array(
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'method' => 'GET',
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'uri' => '/image/usage',
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),
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);
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/**
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* Constructor.
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*
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* @since 2.2.0
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*/
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public function __construct() {
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$config = Dispatcher::config();
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if ( Util_Environment::is_w3tc_pro( $config ) ) {
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$this->license_key = $config->get_string( 'plugin.license_key' );
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$this->home_url = network_home_url();
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$this->item_name = W3TC_PURCHASE_PRODUCT_NAME;
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} else {
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$this->home_url = md5( network_home_url() );
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}
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}
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/**
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* Convert an image; submit a job request.
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*
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* @since 2.2.0
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*
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* @param string $filepath Image file path.
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* @param array $options Optional array of options. Overrides settings.
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* @return array
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*/
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public function convert( $filepath, array $options = array() ) {
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// Abort if rate-limit exceeded.
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$result = get_transient( 'w3tc_imageservice_limited' );
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if ( ! empty( $result ) ) {
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return $result;
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}
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// Prepare request.
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$config = Dispatcher::config();
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$settings = $config->get_array( 'imageservice' );
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$options = array_merge(
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array(
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'optimize' => 'lossy' === $settings['compression'] ? '1' : '0',
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),
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$options
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);
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$boundary = wp_generate_password( 24 );
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$body = '';
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$post_fields = array(
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'license_key' => $this->license_key,
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'home_url' => $this->home_url,
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'item_name' => $this->item_name,
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'optimize' => $options['optimize'],
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);
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foreach ( $post_fields as $k => $v ) {
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$body .= '--' . $boundary . "\r\n";
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$body .= 'Content-Disposition: form-data; name="' . $k . '"' . "\r\n\r\n";
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$body .= $v . "\r\n";
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}
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$body .= '--' . $boundary . "\r\n";
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$body .= 'Content-Disposition: form-data; name="image"; filename="' . basename( $filepath ) . '"' . "\r\n\r\n";
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$body .= file_get_contents( $filepath ) . "\r\n" . '--' . $boundary . '--'; // phpcs:ignore WordPress.WP.AlternativeFunctions
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// Send request.
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$response = wp_remote_request(
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$this->get_base_url() . $this->endpoints['convert']['uri'],
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array(
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'method' => $this->endpoints['convert']['method'],
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'sslverify' => false,
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'timeout' => 30,
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'headers' => array(
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'Accept' => 'application/json',
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'Content-Type' => 'multipart/form-data; boundary=' . $boundary,
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),
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'body' => $body,
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)
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);
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// Examine response.
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if ( is_wp_error( $response ) ) {
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return array(
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'error' => __( 'WP Error: ', 'w3-total-cache' ) . $response->get_error_message(),
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);
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}
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// Convert response body to an array.
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$response_body = json_decode( wp_remote_retrieve_body( $response ), true );
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// Update usage.
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if ( isset( $response_body['usage_hourly'] ) ) {
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set_transient(
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'w3tc_imageservice_usage',
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array(
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'updated_at' => time(),
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'usage_hourly' => $response_body['usage_hourly'],
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'usage_monthly' => isset( $response_body['usage_monthly'] ) ? $response_body['usage_monthly'] : null,
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'limit_hourly' => isset( $response_body['limit_hourly'] ) ? $response_body['limit_hourly'] : null,
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'limit_monthly' => isset( $response_body['limit_monthly'] ) ? $response_body['limit_monthly'] : null,
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),
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DAY_IN_SECONDS
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);
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}
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// Handle non-200 response codes.
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if ( 200 !== $response['response']['code'] ) {
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$result = array(
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'code' => $response['response']['code'],
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'error' => esc_html__( 'Error: Received a non-200 response code: ', 'w3-total-cache' ) . $response['response']['code'],
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'status' => 'error',
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'time' => time(),
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);
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if ( isset( $response_body['error']['id'] ) && 'exceeded-hourly' === $response_body['error']['id'] ) {
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$result['message'] = sprintf(
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// translators: 1: Hourly request limit.
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esc_html__( 'You reached your hourly limit of %1$d; try again later%2$s.', 'w3-total-cache' ),
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esc_attr( $response_body['limit_hourly'] ),
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isset( $response_body['licensed'] ) && $response_body['licensed'] ? '' :
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sprintf(
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// translators: 1: Hourly request limit, 2: HTML anchor open tag, 3: HTML anchor close tag.
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esc_html__( ' or %1$supgrade to Pro%2$s for higher limits', 'w3-total-cache' ),
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'<a href="#" class="button-buy-plugin" data-src="imageservice_api_limit">',
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'</a>'
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)
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);
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set_transient( 'w3tc_imageservice_limited', $result, 5 * MINUTE_IN_SECONDS );
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} elseif ( isset( $response_body['error']['id'] ) && 'exceeded-monthly' === $response_body['error']['id'] ) {
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$result['message'] = sprintf(
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// translators: 1: Monthly request limit, 2: HTML anchor open tag, 3: HTML anchor close tag.
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esc_html__( 'You reached your monthly limit of %1$d; try again later or %2$supgrade to Pro%3$s for unlimited.', 'w3-total-cache' ),
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esc_attr( $response_body['limit_monthly'] ),
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'<a href="#" class="button-buy-plugin" data-src="imageservice_api_limit">',
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'</a>'
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);
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set_transient( 'w3tc_imageservice_limited', $result, DAY_IN_SECONDS );
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} elseif ( isset( $response_body['error']['id'] ) && 'invalid-output-mime' === $response_body['error']['id'] ) {
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$result['message'] = esc_html__( 'Invalid output image MIME type.', 'w3-total-cache' );
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} elseif ( isset( $response_body['error']['id'] ) && 'missing-image' === $response_body['error']['id'] ) {
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$result['message'] = esc_html__( 'An image file is required.', 'w3-total-cache' );
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} elseif ( isset( $response_body['error']['id'] ) && 'invalid-image' === $response_body['error']['id'] ) {
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$result['message'] = esc_html__( 'Valid image data is required.', 'w3-total-cache' );
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} elseif ( isset( $response_body['error']['id'] ) && 'invalid-input-mime' === $response_body['error']['id'] ) {
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$result['message'] = esc_html__( 'Invalid input image MIME type.', 'w3-total-cache' );
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} elseif ( 403 === $response['response']['code'] ) {
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$result['message'] = sprintf(
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// translators: 1: HTML anchor open tag, 2: HTML anchor close tag.
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esc_html__( 'Please verify your license key in %1$sGeneral Settings%2$s.', 'w3-total-cache' ),
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'<a href="' . esc_url( Util_Ui::admin_url( 'admin.php?page=w3tc_general#licensing' ) ) . '">',
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'</a>'
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);
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} elseif ( isset( $response_body['error']['message'] ) ) {
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// Unknown error message id; forward the error message.
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$result['message'] = esc_html( $response_body['error']['message'] );
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}
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return $result;
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}
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return $response_body;
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}
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/**
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* Get job status.
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*
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* @since 2.2.0
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*
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* @param int $job_id Job id.
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* @param string $signature Signature.
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* @return array
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*/
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public function get_status( $job_id, $signature ) {
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$response = wp_remote_request(
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$this->get_base_url() . $this->endpoints['status']['uri'] . '/' . $job_id . '/' . $signature,
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array(
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'method' => $this->endpoints['status']['method'],
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'sslverify' => false,
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'timeout' => 10,
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'headers' => array(
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'Accept' => 'application/json',
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),
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)
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);
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if ( is_wp_error( $response ) ) {
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return array(
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'error' => __( 'WP Error: ', 'w3-total-cache' ) . $response->get_error_message(),
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);
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}
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// Convert response body to an array.
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$response = json_decode( wp_remote_retrieve_body( $response ), true );
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// Pass error message.
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if ( isset( $response['error'] ) ) {
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return array(
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'error' => $response['error'],
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);
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}
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return $response;
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}
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/**
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* Download a processed image.
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*
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* @since 2.2.0
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*
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* @param int $job_id Job id.
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* @param string $signature Signature.
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* @return array WP response array.
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*/
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public function download( $job_id, $signature ) {
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$response = wp_remote_request(
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$this->get_base_url() . $this->endpoints['download']['uri'] . '/' . $job_id . '/' . $signature,
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array(
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'method' => $this->endpoints['download']['method'],
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'sslverify' => false,
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'timeout' => 10,
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)
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);
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if ( is_wp_error( $response ) ) {
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return array(
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'error' => __( 'WP Error: ', 'w3-total-cache' ) . $response->get_error_message(),
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);
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}
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// Get the response body.
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$body = wp_remote_retrieve_body( $response );
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// Convert response body to an array. A successful image results in a JSON decode false return.
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$json = json_decode( $body, true );
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// Pass error message.
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if ( isset( $json['error'] ) ) {
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return array(
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'error' => $json['error'],
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);
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}
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return $response;
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}
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/**
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* Get usage statistics.
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*
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* @since 2.2.0
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*
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* @return array
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*/
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public function get_usage() {
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$error_message = __( 'Unknown', 'w3-total-cache' );
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$error_response = array(
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'usage_hourly' => $error_message,
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'usage_monthly' => $error_message,
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'limit_hourly' => $error_message,
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'limit_monthly' => $error_message,
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);
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$response = wp_remote_request(
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esc_url(
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$this->get_base_url() . $this->endpoints['usage']['uri'] .
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'/' . rawurlencode( $this->license_key ) .
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'/' . urlencode( $this->item_name ) . // phpcs:ignore
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'/' . rawurlencode( $this->home_url )
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),
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array(
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'method' => $this->endpoints['usage']['method'],
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'sslverify' => false,
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'timeout' => 10,
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'headers' => array(
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'Accept' => 'application/json',
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),
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)
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);
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if ( is_wp_error( $response ) ) {
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return $error_response;
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}
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// Convert response body to an array.
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$response = json_decode( wp_remote_retrieve_body( $response ), true );
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// If usage is not obtained, then return error response.
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if ( ! isset( $response['usage_hourly'] ) ) {
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return $error_response;
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} else {
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// Update usage.
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set_transient(
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'w3tc_imageservice_usage',
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array(
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'updated_at' => time(),
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'usage_hourly' => $response['usage_hourly'],
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'usage_monthly' => isset( $response['usage_monthly'] ) ? $response['usage_monthly'] : null,
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'limit_hourly' => isset( $response['limit_hourly'] ) ? $response['limit_hourly'] : null,
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'limit_monthly' => isset( $response['limit_monthly'] ) ? $response['limit_monthly'] : null,
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),
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DAY_IN_SECONDS
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);
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// Ensure that the monthly limit is represented correctly.
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$response['limit_monthly'] = $response['limit_monthly'] ? $response['limit_monthly'] : __( 'Unlimited', 'w3-total-cache' );
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return $response;
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}
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}
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/**
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* Get base URL.
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*
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* @since 2.2.0
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* @access private
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*
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* @returns string
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*/
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private function get_base_url() {
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return defined( 'W3TC_API2_URL' ) && W3TC_API2_URL ?
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esc_url( W3TC_API2_URL, 'https', '' ) : $this->base_url;
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}
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}
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