You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
463 lines
14 KiB
PHTML
463 lines
14 KiB
PHTML
8 months ago
|
<?php
|
||
|
/**
|
||
|
* Class AMP
|
||
|
*
|
||
|
* @link https://github.com/googleforcreators/web-stories-wp
|
||
|
*
|
||
|
* @copyright 2020 Google LLC
|
||
|
* @license https://www.apache.org/licenses/LICENSE-2.0 Apache License 2.0
|
||
|
*/
|
||
|
|
||
|
/**
|
||
|
* Copyright 2020 Google LLC
|
||
|
*
|
||
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
* you may not use this file except in compliance with the License.
|
||
|
* You may obtain a copy of the License at
|
||
|
*
|
||
|
* https://www.apache.org/licenses/LICENSE-2.0
|
||
|
*
|
||
|
* Unless required by applicable law or agreed to in writing, software
|
||
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
* See the License for the specific language governing permissions and
|
||
|
* limitations under the License.
|
||
|
*/
|
||
|
|
||
|
declare(strict_types = 1);
|
||
|
|
||
|
namespace Google\Web_Stories\Integrations;
|
||
|
|
||
|
use DOMElement;
|
||
|
use Google\Web_Stories\AMP\Integration\AMP_Story_Sanitizer;
|
||
|
use Google\Web_Stories\Context;
|
||
|
use Google\Web_Stories\Infrastructure\HasRequirements;
|
||
|
use Google\Web_Stories\Model\Story;
|
||
|
use Google\Web_Stories\Service_Base;
|
||
|
use Google\Web_Stories\Settings;
|
||
|
use Google\Web_Stories\Story_Post_Type;
|
||
|
use WP_Post;
|
||
|
|
||
|
/**
|
||
|
* Class AMP.
|
||
|
*
|
||
|
* @SuppressWarnings(PHPMD.ExcessiveClassComplexity)
|
||
|
*
|
||
|
* @phpstan-type AMPOptions array{
|
||
|
* theme_support?: string,
|
||
|
* supported_post_types?: string[],
|
||
|
* supported_templates?: string[]
|
||
|
* }
|
||
|
*
|
||
|
* @phpstan-type AMPSanitizers array{
|
||
|
* AMP_Style_Sanitizer?: array{
|
||
|
* dynamic_element_selectors?: string[]
|
||
|
* }
|
||
|
* }
|
||
|
*/
|
||
|
class AMP extends Service_Base implements HasRequirements {
|
||
|
/**
|
||
|
* Slug of the AMP validated URL post type.
|
||
|
*/
|
||
|
public const AMP_VALIDATED_URL_POST_TYPE = 'amp_validated_url';
|
||
|
|
||
|
/**
|
||
|
* Settings instance.
|
||
|
*
|
||
|
* @var Settings Settings instance.
|
||
|
*/
|
||
|
private Settings $settings;
|
||
|
|
||
|
/**
|
||
|
* Story_Post_Type instance.
|
||
|
*
|
||
|
* @var Story_Post_Type Story_Post_Type instance.
|
||
|
*/
|
||
|
private Story_Post_Type $story_post_type;
|
||
|
|
||
|
/**
|
||
|
* Context instance.
|
||
|
*
|
||
|
* @var Context Context instance.
|
||
|
*/
|
||
|
private Context $context;
|
||
|
|
||
|
/**
|
||
|
* Analytics constructor.
|
||
|
*
|
||
|
* @since 1.12.0
|
||
|
*
|
||
|
* @param Settings $settings Settings instance.
|
||
|
* @param Story_Post_Type $story_post_type Experiments instance.
|
||
|
* @param Context $context Context instance.
|
||
|
* @return void
|
||
|
*/
|
||
|
public function __construct(
|
||
|
Settings $settings,
|
||
|
Story_Post_Type $story_post_type,
|
||
|
Context $context
|
||
|
) {
|
||
|
$this->settings = $settings;
|
||
|
$this->story_post_type = $story_post_type;
|
||
|
$this->context = $context;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Initializes all hooks.
|
||
|
*
|
||
|
* @since 1.2.0
|
||
|
*/
|
||
|
public function register(): void {
|
||
|
add_filter( 'option_amp-options', [ $this, 'filter_amp_options' ] );
|
||
|
add_filter( 'amp_supportable_post_types', [ $this, 'filter_supportable_post_types' ] );
|
||
|
add_filter( 'amp_to_amp_linking_element_excluded', [ $this, 'filter_amp_to_amp_linking_element_excluded' ], 10, 4 );
|
||
|
add_filter( 'amp_content_sanitizers', [ $this, 'add_amp_content_sanitizers' ] );
|
||
|
add_filter( 'amp_validation_error_sanitized', [ $this, 'filter_amp_validation_error_sanitized' ], 10, 2 );
|
||
|
add_filter( 'amp_skip_post', [ $this, 'filter_amp_skip_post' ], 10, 2 );
|
||
|
|
||
|
// This filter is actually used in this plugin's `Sanitization` class.
|
||
|
add_filter( 'web_stories_amp_validation_error_sanitized', [ $this, 'filter_amp_validation_error_sanitized' ], 10, 2 );
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Get the list of service IDs required for this service to be registered.
|
||
|
*
|
||
|
* Needed because settings needs to be registered first.
|
||
|
*
|
||
|
* @since 1.13.0
|
||
|
*
|
||
|
* @return string[] List of required services.
|
||
|
*/
|
||
|
public static function get_requirements(): array {
|
||
|
return [ 'settings' ];
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Filter AMP options to force Standard mode (AMP-first) when a web story is being requested.
|
||
|
*
|
||
|
* @since 1.2.0
|
||
|
*
|
||
|
* @param array|mixed $options Options.
|
||
|
* @return array|mixed Filtered options.
|
||
|
*
|
||
|
* @phpstan-param AMPOptions $options
|
||
|
*
|
||
|
* @template T
|
||
|
*
|
||
|
* @phpstan-return ($options is array<T> ? array<T> : mixed)
|
||
|
*/
|
||
|
public function filter_amp_options( $options ) {
|
||
|
if ( ! \is_array( $options ) ) {
|
||
|
return $options;
|
||
|
}
|
||
|
if ( $this->get_request_post_type() === $this->story_post_type->get_slug() ) {
|
||
|
$options['theme_support'] = 'standard';
|
||
|
$options['supported_post_types'][] = $this->story_post_type->get_slug();
|
||
|
$options['supported_templates'][] = 'is_singular';
|
||
|
}
|
||
|
return $options;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Filter the post types which are supportable.
|
||
|
*
|
||
|
* Remove web-stories from the list unless the currently requested post type is for a web-story. This is done in
|
||
|
* order to hide stories from the list of supportable post types on the AMP Settings screen.
|
||
|
*
|
||
|
* @since 1.2.0
|
||
|
*
|
||
|
* @param string[]|mixed $post_types Supportable post types.
|
||
|
* @return array|mixed Supportable post types.
|
||
|
*
|
||
|
* @template T
|
||
|
*
|
||
|
* @phpstan-return ($post_types is array<T> ? array<T> : mixed)
|
||
|
*/
|
||
|
public function filter_supportable_post_types( $post_types ) {
|
||
|
if ( ! \is_array( $post_types ) ) {
|
||
|
return $post_types;
|
||
|
}
|
||
|
|
||
|
$story_post_type = $this->story_post_type->get_slug();
|
||
|
|
||
|
$post_types = array_diff( $post_types, [ $story_post_type ] );
|
||
|
|
||
|
if ( $this->get_request_post_type() === $story_post_type ) {
|
||
|
$post_types = [ ...$post_types, $story_post_type ];
|
||
|
}
|
||
|
|
||
|
return array_unique( array_values( $post_types ) );
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Filters the AMP plugin's sanitizers.
|
||
|
*
|
||
|
* @since 1.2.0
|
||
|
*
|
||
|
* @param array|mixed $sanitizers Sanitizers.
|
||
|
* @return array|mixed Sanitizers.
|
||
|
*
|
||
|
* @phpstan-param AMPSanitizers|mixed $sanitizers
|
||
|
* @phpstan-return AMPSanitizers|mixed
|
||
|
*/
|
||
|
public function add_amp_content_sanitizers( $sanitizers ) {
|
||
|
if ( ! $this->context->is_web_story() ) {
|
||
|
return $sanitizers;
|
||
|
}
|
||
|
|
||
|
$post = get_queried_object();
|
||
|
if ( ! ( $post instanceof WP_Post ) ) {
|
||
|
return $sanitizers;
|
||
|
}
|
||
|
|
||
|
if ( ! \is_array( $sanitizers ) ) {
|
||
|
return $sanitizers;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* AMP sanitizer configuration.
|
||
|
*
|
||
|
* @phpstan-var AMPSanitizers $sanitizers
|
||
|
*/
|
||
|
|
||
|
$video_cache_enabled = (bool) $this->settings->get_setting( $this->settings::SETTING_NAME_VIDEO_CACHE );
|
||
|
|
||
|
$story = new Story();
|
||
|
$story->load_from_post( $post );
|
||
|
|
||
|
$poster_images = [
|
||
|
'poster-portrait-src' => esc_url_raw( $story->get_poster_portrait() ),
|
||
|
];
|
||
|
|
||
|
if ( isset( $sanitizers['AMP_Style_Sanitizer'] ) ) {
|
||
|
if ( ! isset( $sanitizers['AMP_Style_Sanitizer']['dynamic_element_selectors'] ) ) {
|
||
|
$sanitizers['AMP_Style_Sanitizer']['dynamic_element_selectors'] = [];
|
||
|
}
|
||
|
|
||
|
$sanitizers['AMP_Style_Sanitizer']['dynamic_element_selectors'][] = 'amp-story-captions';
|
||
|
}
|
||
|
|
||
|
$sanitizers[ AMP_Story_Sanitizer::class ] = [
|
||
|
'publisher_logo' => (string) $story->get_publisher_logo_url(),
|
||
|
'publisher' => $story->get_publisher_name(),
|
||
|
'poster_images' => array_filter( $poster_images ),
|
||
|
'video_cache' => $video_cache_enabled,
|
||
|
'title_tag' => wp_get_document_title(),
|
||
|
'description' => wp_strip_all_tags( get_the_excerpt() ),
|
||
|
];
|
||
|
|
||
|
return $sanitizers;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Filter amp_validation_error_sanitized to prevent invalid markup removal for Web Stories.
|
||
|
*
|
||
|
* Since the amp-story element requires the poster-portrait-src attribute to be valid, when this attribute is absent
|
||
|
* the AMP plugin will try to remove the amp-story element altogether. This is not the preferred resolution! So
|
||
|
* instead, this will force the invalid markup to be kept. When this is done, the AMP plugin in Standard mode
|
||
|
* (which Web Stories enforces while serving singular web-story posts) will remove the amp attribute from the html
|
||
|
* element so that the page will not be advertised as AMP. This prevents GSC from complaining about a validation
|
||
|
* issue which we already know about.
|
||
|
*
|
||
|
* The same is done for <amp-video> elements, for example when they have missing poster images.
|
||
|
*
|
||
|
* @since 1.1.1
|
||
|
*
|
||
|
* @link https://github.com/ampproject/amp-wp/blob/c6aed8f/includes/validation/class-amp-validation-manager.php#L1777-L1809
|
||
|
*
|
||
|
* @param null|bool $sanitized Whether sanitized. Null means sanitization is not overridden.
|
||
|
* @param array{node_type?: int, node_name?: string, parent_name?: string} $error Validation error being sanitized.
|
||
|
* @return null|bool Whether sanitized.
|
||
|
*/
|
||
|
public function filter_amp_validation_error_sanitized( ?bool $sanitized, array $error ): ?bool {
|
||
|
// Skip sanitization for missing publisher logos and poster portrait images.
|
||
|
if (
|
||
|
isset( $error['node_type'], $error['node_name'], $error['parent_name'] ) &&
|
||
|
(
|
||
|
( XML_ELEMENT_NODE === $error['node_type'] && 'amp-story' === $error['node_name'] && 'body' === $error['parent_name'] ) ||
|
||
|
( XML_ATTRIBUTE_NODE === $error['node_type'] && 'poster-portrait-src' === $error['node_name'] && 'amp-story' === $error['parent_name'] ) ||
|
||
|
( XML_ATTRIBUTE_NODE === $error['node_type'] && 'publisher-logo-src' === $error['node_name'] && 'amp-story' === $error['parent_name'] )
|
||
|
)
|
||
|
) {
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
// Skip sanitization for missing video posters.
|
||
|
if ( isset( $error['node_name'] ) && 'amp-video' === $error['node_name'] ) {
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
// Skip sanitization for amp-video > source with invalid src.
|
||
|
if ( isset( $error['parent_name'] ) && 'source' === $error['parent_name'] ) {
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
return $sanitized;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Filters whether AMP-to-AMP is excluded for an element.
|
||
|
*
|
||
|
* The element may be either a link (`a` or `area`) or a `form`.
|
||
|
*
|
||
|
* @since 1.2.0
|
||
|
*
|
||
|
* @param bool|mixed $excluded Excluded. Default value is whether element already has a `noamphtml` link relation or the URL is among `excluded_urls`.
|
||
|
* @param string $url URL considered for exclusion.
|
||
|
* @param string[] $rel Link relations.
|
||
|
* @param DOMElement|null $element The element considered for excluding from AMP-to-AMP linking. May be instance of `a`, `area`, or `form`.
|
||
|
* @return bool|mixed Whether AMP-to-AMP is excluded.
|
||
|
*/
|
||
|
public function filter_amp_to_amp_linking_element_excluded( $excluded, string $url, array $rel, ?DOMElement $element ) {
|
||
|
if ( $element instanceof DOMElement && $element->parentNode instanceof DOMElement && 'amp-story-player' === $element->parentNode->tagName ) {
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
return $excluded;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Filters whether to skip the post from AMP.
|
||
|
*
|
||
|
* Skips the post if the AMP plugin's version is lower than what is bundled in this plugin.
|
||
|
* Prevents issues where this plugin uses newer features that the plugin doesn't know about yet,
|
||
|
* causing false positives with validation.
|
||
|
*
|
||
|
* @since 1.6.0
|
||
|
*
|
||
|
* @link https://github.com/googleforcreators/web-stories-wp/issues/7131
|
||
|
*
|
||
|
* @param bool|mixed $skipped Whether the post should be skipped from AMP.
|
||
|
* @param int $post Post ID.
|
||
|
* @return bool|mixed Whether post should be skipped from AMP.
|
||
|
*/
|
||
|
public function filter_amp_skip_post( $skipped, int $post ) {
|
||
|
// This is the opposite to the `AMP__VERSION >= WEBSTORIES_AMP_VERSION` check in the HTML renderer.
|
||
|
if (
|
||
|
$this->story_post_type->get_slug() === get_post_type( $post )
|
||
|
&&
|
||
|
\defined( '\AMP__VERSION' )
|
||
|
&&
|
||
|
version_compare( WEBSTORIES_AMP_VERSION, AMP__VERSION, '>' )
|
||
|
) {
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
return $skipped;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Get the post type for the current request.
|
||
|
*
|
||
|
* @SuppressWarnings(PHPMD.NPathComplexity)
|
||
|
*
|
||
|
* @since 1.2.0
|
||
|
*/
|
||
|
protected function get_request_post_type(): ?string {
|
||
|
// phpcs:disable WordPress.Security.NonceVerification.Recommended, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
|
||
|
|
||
|
if ( did_action( 'wp' ) && is_singular() ) {
|
||
|
$post_type = get_post_type( get_queried_object_id() );
|
||
|
return $post_type ?: null;
|
||
|
}
|
||
|
|
||
|
if (
|
||
|
isset( $_GET['action'], $_GET['post'] ) &&
|
||
|
'amp_validate' === $_GET['action'] &&
|
||
|
is_admin()
|
||
|
) {
|
||
|
/**
|
||
|
* Post ID.
|
||
|
*
|
||
|
* @var string|int $post_id
|
||
|
*/
|
||
|
$post_id = $_GET['post'];
|
||
|
|
||
|
if ( get_post_type( (int) $post_id ) === self::AMP_VALIDATED_URL_POST_TYPE ) {
|
||
|
return $this->get_validated_url_post_type( (int) $post_id );
|
||
|
}
|
||
|
}
|
||
|
|
||
|
$current_screen_post_type = $this->context->get_screen_post_type();
|
||
|
|
||
|
if ( $current_screen_post_type ) {
|
||
|
$current_post = get_post();
|
||
|
|
||
|
if ( self::AMP_VALIDATED_URL_POST_TYPE === $current_screen_post_type && $current_post instanceof WP_Post && $current_post->post_type === $current_screen_post_type ) {
|
||
|
$validated_url_post_type = $this->get_validated_url_post_type( $current_post->ID );
|
||
|
if ( $validated_url_post_type ) {
|
||
|
return $validated_url_post_type;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return $current_screen_post_type;
|
||
|
}
|
||
|
|
||
|
if ( isset( $_SERVER['REQUEST_URI'] ) ) {
|
||
|
/**
|
||
|
* Request URI.
|
||
|
*
|
||
|
* @var string $request_uri
|
||
|
*/
|
||
|
$request_uri = $_SERVER['REQUEST_URI'];
|
||
|
if ( str_contains( (string) wp_unslash( $request_uri ), $this->story_post_type->get_rest_url() ) ) {
|
||
|
return $this->story_post_type->get_slug();
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// phpcs:enable WordPress.Security.NonceVerification.Recommended, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
|
||
|
|
||
|
return null;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Get the singular post type which is the queried object for the given validated URL post.
|
||
|
*
|
||
|
* @since 1.0.0
|
||
|
*
|
||
|
* @param int $post_id Post ID for Validated URL Post.
|
||
|
* @return string|null Post type or null if validated URL is not for a singular post.
|
||
|
*/
|
||
|
protected function get_validated_url_post_type( int $post_id ): ?string {
|
||
|
if ( empty( $post_id ) ) {
|
||
|
return null;
|
||
|
}
|
||
|
|
||
|
$post = get_post( $post_id );
|
||
|
if ( ! $post instanceof WP_Post ) {
|
||
|
return null;
|
||
|
}
|
||
|
|
||
|
if ( self::AMP_VALIDATED_URL_POST_TYPE !== $post->post_type ) {
|
||
|
return null;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* AMP queried object.
|
||
|
*
|
||
|
* @var array{type?: string, id?: int|string}|string $queried_object
|
||
|
*/
|
||
|
$queried_object = get_post_meta( $post->ID, '_amp_queried_object', true );
|
||
|
|
||
|
if ( ! \is_array( $queried_object ) ) {
|
||
|
return null;
|
||
|
}
|
||
|
|
||
|
if ( isset( $queried_object['id'], $queried_object['type'] ) && 'post' === $queried_object['type'] ) {
|
||
|
/**
|
||
|
* Post ID.
|
||
|
*
|
||
|
* @var int|string $post_id
|
||
|
*/
|
||
|
$post_id = $queried_object['id'];
|
||
|
|
||
|
$post_type = get_post_type( (int) $post_id );
|
||
|
if ( $post_type ) {
|
||
|
return $post_type;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return null;
|
||
|
}
|
||
|
}
|