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145 lines
3.9 KiB
PHP
145 lines
3.9 KiB
PHP
<?php
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/**
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* Class Ezoic
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*
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* @link https://github.com/googleforcreators/web-stories-wp
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*
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* @copyright 2020 Google LLC
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* @license https://www.apache.org/licenses/LICENSE-2.0 Apache License 2.0
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*/
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/**
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* Copyright 2020 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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declare(strict_types = 1);
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namespace Google\Web_Stories\Integrations;
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use Google\Web_Stories\AMP\Optimization;
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use Google\Web_Stories\AMP\Sanitization;
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use Google\Web_Stories\Context;
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use Google\Web_Stories\Exception\SanitizationException;
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use Google\Web_Stories\Infrastructure\Conditional;
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use Google\Web_Stories\Service_Base;
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use Google\Web_Stories_Dependencies\AmpProject\Dom\Document;
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use Throwable;
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/**
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* Class Ezoic.
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*/
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class Ezoic extends Service_Base implements Conditional {
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/**
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* Sanitization instance.
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*
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* @var Sanitization Sanitization instance.
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*/
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private Sanitization $sanitization;
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/**
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* Optimization instance.
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*
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* @var Optimization Optimization instance.
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*/
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private Optimization $optimization;
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/**
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* Context instance.
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*
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* @var Context Context instance.
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*/
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private Context $context;
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/**
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* Constructor.
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*
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* @since 1.33.0
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*
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* @param Sanitization $sanitization Sanitization instance.
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* @param Optimization $optimization Optimization instance.
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* @param Context $context Context instance.
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*/
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public function __construct( Sanitization $sanitization, Optimization $optimization, Context $context ) {
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$this->sanitization = $sanitization;
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$this->optimization = $optimization;
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$this->context = $context;
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}
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/**
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* Initializes all hooks.
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*
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* @since 1.33.0
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*/
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public function register(): void {
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add_filter( 'ez_buffered_final_content', [ $this, 'process_ez_buffered_final_content' ] );
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}
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/**
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* Check whether the Ezoic integration is currently needed.
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*
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* @since 1.33.0
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*
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* @return bool Whether Ezoic integration is currently needed.
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*/
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public static function is_needed(): bool {
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return \defined( 'EZOIC_INTEGRATION_VERSION' );
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}
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/**
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* Optimizes and Sanitizes Ezoic's final prepared content.
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*
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* @since 1.33.0
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*
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* @param string $content HTML document response collected by Ezoic Output Buffer.
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* @return string AMP document response.
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*/
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public function process_ez_buffered_final_content( string $content ): string {
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if ( $this->context->is_web_story() ) {
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// Enforce UTF-8 encoding as it is a requirement for AMP.
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if ( ! headers_sent() ) {
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header( 'Content-Type: text/html; charset=utf-8' );
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}
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$dom = Document::fromHtml( $content );
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if ( ! $dom instanceof Document ) {
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return $this->render_error_page( SanitizationException::from_document_parse_error() );
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}
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$this->sanitization->sanitize_document( $dom );
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$this->optimization->optimize_document( $dom );
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return $dom->saveHTML();
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}
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return $content;
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}
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/**
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* Render error page.
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*
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* @since 1.33.0
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*
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* @param Throwable $throwable Exception or (as of PHP7) Error.
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* @return string Error page.
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*/
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private function render_error_page( Throwable $throwable ): string {
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return esc_html__( 'There was an error generating the web story, probably because of a server misconfiguration. Try contacting your hosting provider or open a new support request.', 'web-stories' ) .
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"\n" .
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"\n" .
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// translators: 1: error message. 2: location.
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sprintf( esc_html__( 'Error message: %1$s (%2$s)', 'web-stories' ), $throwable->getMessage(), $throwable->getFile() . ':' . $throwable->getLine() );
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}
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}
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