Jetpack_AMP_Support::render_sharing_html() - Code Metrics - Inspection of "Podcast Player: Load data from embedded JSON (#150..." - Automattic/jetpack - Measure and Improve Code Quality continuously with Scrutinizer

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created 2020-03-17 19:21 UTC

Jetpack_AMP_Support::render_sharing_html() B

↳ Parent: Jetpack_AMP_Support

Complexity

Conditions	6
Paths	6

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	6
nc	6
nop	2
dl	0
loc	48
rs	8.5123
c	0
b	0
f	0

<?php //phpcs:ignore WordPress.Files.FileName.InvalidClassFileName

use Automattic\Jetpack\Sync\Functions;

/**
 * Manages compatibility with the amp-wp plugin
 *
 * @see https://github.com/Automattic/amp-wp
 */
class Jetpack_AMP_Support {

	/**
	 * Apply custom AMP changes on the front-end.
	 */
	public static function init() {

		// Add Stats tracking pixel on Jetpack sites when the Stats module is active.
		if (
			Jetpack::is_module_active( 'stats' )
			&& ! ( defined( 'IS_WPCOM' ) && IS_WPCOM )
		) {
			add_action( 'amp_post_template_footer', array( 'Jetpack_AMP_Support', 'add_stats_pixel' ) );
		}

		/**
		 * Remove this during the init hook in case users have enabled it during
		 * the after_setup_theme hook, which triggers before init.
		 */
		remove_theme_support( 'jetpack-devicepx' );

		// Sharing.
		add_filter( 'jetpack_sharing_display_markup', array( 'Jetpack_AMP_Support', 'render_sharing_html' ), 10, 2 );
		add_filter( 'sharing_enqueue_scripts', array( 'Jetpack_AMP_Support', 'amp_disable_sharedaddy_css' ) );

		// enforce freedom mode for videopress.
		add_filter( 'videopress_shortcode_options', array( 'Jetpack_AMP_Support', 'videopress_enable_freedom_mode' ) );

		// include Jetpack og tags when rendering native AMP head.
		add_action( 'amp_post_template_head', array( 'Jetpack_AMP_Support', 'amp_post_jetpack_og_tags' ) );

		// Post rendering changes for legacy AMP.
		add_action( 'pre_amp_render_post', array( 'Jetpack_AMP_Support', 'amp_disable_the_content_filters' ) );

		// Transitional mode AMP should not have comment likes.
		add_action( 'the_content', array( 'Jetpack_AMP_Support', 'disable_comment_likes_before_the_content' ) );

		// Add post template metadata for legacy AMP.
		add_filter( 'amp_post_template_metadata', array( 'Jetpack_AMP_Support', 'amp_post_template_metadata' ), 10, 2 );

		// Filter photon image args for AMP Stories.
		add_filter( 'jetpack_photon_post_image_args', array( 'Jetpack_AMP_Support', 'filter_photon_post_image_args_for_stories' ), 10, 2 );

		// Sync the amp-options.
		add_filter( 'jetpack_options_whitelist', array( 'Jetpack_AMP_Support', 'filter_jetpack_options_whitelist' ) );

		// Show admin bar.
		add_filter( 'show_admin_bar', array( 'Jetpack_AMP_Support', 'show_admin_bar' ) );
		add_filter( 'jetpack_comment_likes_enabled', array( 'Jetpack_AMP_Support', 'comment_likes_enabled' ) );
	}

	/**
	 * Disable the admin bar on AMP views.
	 *
	 * @param Whether bool $show the admin bar should be shown. Default false.
	 */
	public static function show_admin_bar( $show ) {
		return $show && ! self::is_amp_request();
	}

	/**
	 * Disable the Comment Likes feature on AMP views.
	 *
	 * @param bool $enabled Should comment likes be enabled.
	 */
	public static function comment_likes_enabled( $enabled ) {
		return $enabled && ! self::is_amp_request();
	}

	/**
	 * Apply custom AMP changes in wp-admin.
	 */
	public static function admin_init() {
		// disable Likes metabox for post editor if AMP canonical disabled.
		add_filter( 'post_flair_disable', array( 'Jetpack_AMP_Support', 'is_amp_canonical' ), 99 );
	}

	/**
	 * Is the page in AMP 'canonical mode'.
	 * Used when themes register support for AMP with `add_theme_support( 'amp' )`.
	 *
	 * @return bool is_amp_canonical
	 */
	public static function is_amp_canonical() {
		return function_exists( 'amp_is_canonical' ) && amp_is_canonical();
	}

	/**
	 * Does the page return AMP content.
	 *
	 * @return bool $is_amp_request Are we on am AMP view.
	 */
	public static function is_amp_request() {
		$is_amp_request = ( function_exists( 'is_amp_endpoint' ) && is_amp_endpoint() );

		/**
		 * Returns true if the current request should return valid AMP content.
		 *
		 * @since 6.2.0
		 *
		 * @param boolean $is_amp_request Is this request supposed to return valid AMP content?
		 */
		return apply_filters( 'jetpack_is_amp_request', $is_amp_request );
	}

	/**
	 * Remove content filters added by Jetpack.
	 */
	public static function amp_disable_the_content_filters() {
		if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
			add_filter( 'videopress_show_2015_player', '__return_true' );
			add_filter( 'protected_embeds_use_form_post', '__return_false' );
			remove_filter( 'the_title', 'widont' );
		}

		remove_filter( 'pre_kses', array( 'Filter_Embedded_HTML_Objects', 'filter' ), 11 );
		remove_filter( 'pre_kses', array( 'Filter_Embedded_HTML_Objects', 'maybe_create_links' ), 100 );
	}

	/**
	 * Do not add comment likes on AMP requests.
	 *
	 * @param string $content Post content.
	 */
	public static function disable_comment_likes_before_the_content( $content ) {
		if ( self::is_amp_request() ) {
			remove_filter( 'comment_text', 'comment_like_button', 12, 2 );
		}
		return $content;
	}

	/**
	 * Add Jetpack stats pixel.
	 *
	 * @since 6.2.1
	 */
	public static function add_stats_pixel() {
		if ( ! has_action( 'wp_footer', 'stats_footer' ) ) {
			return;
		}
		stats_render_amp_footer( stats_build_view_data() );
	}

	/**
	 * Add publisher and image metadata to legacy AMP post.
	 *
	 * @since 6.2.0
	 *
	 * @param array   $metadata Metadata array.
	 * @param WP_Post $post     Post.
	 * @return array Modified metadata array.
	 */
	public static function amp_post_template_metadata( $metadata, $post ) {
		if ( isset( $metadata['publisher'] ) && ! isset( $metadata['publisher']['logo'] ) ) {
			$metadata = self::add_site_icon_to_metadata( $metadata );
		}

		if ( ! isset( $metadata['image'] ) ) {
			$metadata = self::add_image_to_metadata( $metadata, $post );
		}

		return $metadata;
	}

	/**
	 * Add blavatar to legacy AMP post metadata.
	 *
	 * @since 6.2.0
	 *
	 * @param array $metadata Metadata.
	 *
	 * @return array Metadata.
	 */
	private static function add_site_icon_to_metadata( $metadata ) {
		$size          = 60;
		$site_icon_url = class_exists( 'Automattic\\Jetpack\\Sync\\Functions' ) ? Functions::site_icon_url( $size ) : '';

		if ( function_exists( 'blavatar_domain' ) ) {
			$metadata['publisher']['logo'] = array(
				'@type'  => 'ImageObject',
				'url'    => blavatar_url( blavatar_domain( site_url() ), 'img', $size, self::staticize_subdomain( 'https://wordpress.com/i/favicons/apple-touch-icon-60x60.png' ) ),
				'width'  => $size,
				'height' => $size,
			);
		} elseif ( $site_icon_url ) {
			$metadata['publisher']['logo'] = array(
				'@type'  => 'ImageObject',
				'url'    => $site_icon_url,
				'width'  => $size,
				'height' => $size,
			);
		}

		return $metadata;
	}

	/**
	 * Add image to legacy AMP post metadata.
	 *
	 * @since 6.2.0
	 *
	 * @param array   $metadata Metadata.
	 * @param WP_Post $post     Post.
	 * @return array Metadata.
	 */
	private static function add_image_to_metadata( $metadata, $post ) {
		$image = Jetpack_PostImages::get_image(
			$post->ID,
			array(
				'fallback_to_avatars' => true,
				'avatar_size'         => 200,
				// AMP already attempts these.
				'from_thumbnail'      => false,
				'from_attachment'     => false,
			)
		);

		if ( empty( $image ) ) {
			return self::add_fallback_image_to_metadata( $metadata );
		}

		if ( ! isset( $image['src_width'] ) ) {
			$dimensions = self::extract_image_dimensions_from_getimagesize(
				array(
					$image['src'] => false,
				)
			);

			if ( false !== $dimensions[ $image['src'] ] ) {
				$image['src_width']  = $dimensions['width'];
				$image['src_height'] = $dimensions['height'];
			}
		}

		$metadata['image'] = array(
			'@type' => 'ImageObject',
			'url'   => $image['src'],
		);
		if ( isset( $image['src_width'] ) ) {
			$metadata['image']['width'] = $image['src_width'];
		}
		if ( isset( $image['src_width'] ) ) {
			$metadata['image']['height'] = $image['src_height'];
		}

		return $metadata;
	}

	/**
	 * Add fallback image to legacy AMP post metadata.
	 *
	 * @since 6.2.0
	 *
	 * @param array $metadata Metadata.
	 * @return array Metadata.
	 */
	private static function add_fallback_image_to_metadata( $metadata ) {
		/** This filter is documented in functions.opengraph.php */
		$default_image = apply_filters( 'jetpack_open_graph_image_default', 'https://wordpress.com/i/blank.jpg' );

		$metadata['image'] = array(
			'@type'  => 'ImageObject',
			'url'    => self::staticize_subdomain( $default_image ),
			'width'  => 200,
			'height' => 200,
		);

		return $metadata;
	}

	/**
	 * Return static WordPress.com domain to use to load resources from WordPress.com.
	 *
	 * @param string $domain Asset URL.
	 */
	private static function staticize_subdomain( $domain ) {
		// deal with WPCOM vs Jetpack.
		if ( function_exists( 'staticize_subdomain' ) ) {
			return staticize_subdomain( $domain );
		} else {
			return Jetpack::staticize_subdomain( $domain );
		}
	}

	/**
	 * Extract image dimensions via wpcom/imagesize, only on WPCOM
	 *
	 * @since 6.2.0
	 *
	 * @param array $dimensions Dimensions.
	 * @return array Dimensions.
	 */
	private static function extract_image_dimensions_from_getimagesize( $dimensions ) {
		if ( ! ( defined( 'IS_WPCOM' ) && IS_WPCOM && function_exists( 'require_lib' ) ) ) {
			return $dimensions;
		}
		require_lib( 'wpcom/imagesize' );

		foreach ( $dimensions as $url => $value ) {
			if ( is_array( $value ) ) {
				continue;
			}
			$result = wpcom_getimagesize( $url );
			if ( is_array( $result ) ) {
				$dimensions[ $url ] = array(
					'width'  => $result[0],
					'height' => $result[1],
				);
			}
		}

		return $dimensions;
	}

	/**
	 * Display Open Graph Meta tags in AMP views.
	 */
	public static function amp_post_jetpack_og_tags() {
		if ( ! ( defined( 'IS_WPCOM' ) && IS_WPCOM ) ) {
			Jetpack::init()->check_open_graph();
		}

		if ( function_exists( 'jetpack_og_tags' ) ) {
			jetpack_og_tags();
		}
	}

	/**
	 * Force Freedom mode in VideoPress.
	 *
	 * @param array $options Array of VideoPress shortcode options.
	 */
	public static function videopress_enable_freedom_mode( $options ) {
		if ( self::is_amp_request() ) {
			$options['freedom'] = true;
		}
		return $options;
	}

	/**
	 * Display custom markup for the sharing buttons when in an AMP view.
	 *
	 * @param string $markup          Content markup of the Jetpack sharing links.
	 * @param array  $sharing_enabled Array of Sharing Services currently enabled.
	 */
	public static function render_sharing_html( $markup, $sharing_enabled ) {
		if ( ! self::is_amp_request() ) {
			return $markup;
		}

		remove_action( 'wp_footer', 'sharing_add_footer' );
		if ( empty( $sharing_enabled ) ) {
			return $markup;
		}
		$supported_services = array(
			'facebook'  => array(
				/** This filter is documented in modules/sharedaddy/sharing-sources.php */
				'data-param-app_id' => apply_filters( 'jetpack_sharing_facebook_app_id', '249643311490' ),
			),
			'twitter'   => array(),
			'pinterest' => array(),
			'whatsapp'  => array(),
			'tumblr'    => array(),
			'linkedin'  => array(),
		);
		$sharing_links      = array();
		foreach ( $sharing_enabled['visible'] as $id => $service ) {
			if ( ! isset( $supported_services[ $id ] ) ) {
				$sharing_links[] = "<!-- not supported: $id -->";
				continue;
			}
			$args         = array_merge(
				array(
					'type' => $id,
				),
				$supported_services[ $id ]
			);
			$sharing_link = '<amp-social-share';
			foreach ( $args as $key => $value ) {
				$sharing_link .= sprintf( ' %s="%s"', sanitize_key( $key ), esc_attr( $value ) );
			}
			$sharing_link   .= '></amp-social-share>';
			$sharing_links[] = $sharing_link;
		}

		// Wrap AMP sharing buttons in container.
		$markup = preg_replace( '#(?<=<div class="sd-content">).+?(?=</div>)#s', implode( '', $sharing_links ), $markup );

		// Remove any lingering share-end list items.
		$markup = str_replace( '<li class="share-end"></li>', '', $markup );

		return $markup;
	}

	/**
	 * Tells Jetpack not to enqueue CSS for share buttons.
	 *
	 * @param  bool $enqueue Whether or not to enqueue.
	 * @return bool          Whether or not to enqueue.
	 */
	public static function amp_disable_sharedaddy_css( $enqueue ) {
		if ( self::is_amp_request() ) {
			$enqueue = false;
		}

		return $enqueue;
	}

	/**
	 * Ensure proper Photon image dimensions for AMP Stories.
	 *
	 * @param array $args Array of Photon Arguments.
	 * @param array $details {
	 *     Array of image details.
	 *
	 *     @type string    $tag            Image tag (Image HTML output).
	 *     @type string    $src            Image URL.
	 *     @type string    $src_orig       Original Image URL.
	 *     @type int|false $width          Image width.
	 *     @type int|false $height         Image height.
	 *     @type int|false $width_orig     Original image width before constrained by content_width.
	 *     @type int|false $height_orig    Original Image height before constrained by content_width.
	 *     @type string    $transform_orig Original transform before constrained by content_width.
	 * }
	 * @return array Args.
	 */
	public static function filter_photon_post_image_args_for_stories( $args, $details ) {
		if ( ! is_singular( 'amp_story' ) ) {
			return $args;
		}

		// Percentage-based dimensions are not allowed in AMP, so this shouldn't happen, but short-circuit just in case.
		if ( false !== strpos( $details['width_orig'], '%' ) || false !== strpos( $details['height_orig'], '%' ) ) {
			return $args;
		}

		$max_height = 1280; // See image size with the slug \AMP_Story_Post_Type::MAX_IMAGE_SIZE_SLUG.
		$transform  = $details['transform_orig'];
		$width      = $details['width_orig'];
		$height     = $details['height_orig'];

		// If height is available, constrain to $max_height.
		if ( false !== $height ) {
			if ( $height > $max_height && false !== $height ) {
				$width  = ( $max_height * $width ) / $height;
				$height = $max_height;
			} elseif ( $height > $max_height ) {
				$height = $max_height;
			}
		}

		/*
		 * Set a height if none is found.
		 * If height is set in this manner and height is available, use `fit` instead of `resize` to prevent skewing.
		 */
		if ( false === $height ) {
			$height = $max_height;
			if ( false !== $width ) {
				$transform = 'fit';
			}
		}

		// Build array of Photon args and expose to filter before passing to Photon URL function.
		$args = array();

		if ( false !== $width && false !== $height ) {
			$args[ $transform ] = $width . ',' . $height;
		} elseif ( false !== $width ) {
			$args['w'] = $width;
		} elseif ( false !== $height ) {
			$args['h'] = $height;
		}

		return $args;
	}

	/**
	 *  Adds amp-options to the list of options to sync, if AMP is available
	 *
	 * @param array $options_whitelist Whitelist of options to sync.
	 * @return array Updated options whitelist
	 */
	public static function filter_jetpack_options_whitelist( $options_whitelist ) {
		if ( function_exists( 'is_amp_endpoint' ) ) {
			$options_whitelist[] = 'amp-options';
		}
		return $options_whitelist;
	}
}

add_action( 'init', array( 'Jetpack_AMP_Support', 'init' ), 1 );

add_action( 'admin_init', array( 'Jetpack_AMP_Support', 'admin_init' ), 1 );


1		<?php //phpcs:ignore WordPress.Files.FileName.InvalidClassFileName
2
3		use Automattic\Jetpack\Sync\Functions;
4
5		/**
6		* Manages compatibility with the amp-wp plugin
7		*
8		* @see https://github.com/Automattic/amp-wp
9		*/
10		class Jetpack_AMP_Support {
11
12		/**
13		* Apply custom AMP changes on the front-end.
14		*/
15		public static function init() {
16
17		// Add Stats tracking pixel on Jetpack sites when the Stats module is active.
18		if (
19		Jetpack::is_module_active( 'stats' )
20		&& ! ( defined( 'IS_WPCOM' ) && IS_WPCOM )
21		) {
22		add_action( 'amp_post_template_footer', array( 'Jetpack_AMP_Support', 'add_stats_pixel' ) );
23		}
24
25		/**
26		* Remove this during the init hook in case users have enabled it during
27		* the after_setup_theme hook, which triggers before init.
28		*/
29		remove_theme_support( 'jetpack-devicepx' );
30
31		// Sharing.
32		add_filter( 'jetpack_sharing_display_markup', array( 'Jetpack_AMP_Support', 'render_sharing_html' ), 10, 2 );
33		add_filter( 'sharing_enqueue_scripts', array( 'Jetpack_AMP_Support', 'amp_disable_sharedaddy_css' ) );
34
35		// enforce freedom mode for videopress.
36		add_filter( 'videopress_shortcode_options', array( 'Jetpack_AMP_Support', 'videopress_enable_freedom_mode' ) );
37
38		// include Jetpack og tags when rendering native AMP head.
39		add_action( 'amp_post_template_head', array( 'Jetpack_AMP_Support', 'amp_post_jetpack_og_tags' ) );
40
41		// Post rendering changes for legacy AMP.
42		add_action( 'pre_amp_render_post', array( 'Jetpack_AMP_Support', 'amp_disable_the_content_filters' ) );
43
44		// Transitional mode AMP should not have comment likes.
45		add_action( 'the_content', array( 'Jetpack_AMP_Support', 'disable_comment_likes_before_the_content' ) );
46
47		// Add post template metadata for legacy AMP.
48		add_filter( 'amp_post_template_metadata', array( 'Jetpack_AMP_Support', 'amp_post_template_metadata' ), 10, 2 );
49
50		// Filter photon image args for AMP Stories.
51		add_filter( 'jetpack_photon_post_image_args', array( 'Jetpack_AMP_Support', 'filter_photon_post_image_args_for_stories' ), 10, 2 );
52
53		// Sync the amp-options.
54		add_filter( 'jetpack_options_whitelist', array( 'Jetpack_AMP_Support', 'filter_jetpack_options_whitelist' ) );
55
56		// Show admin bar.
57		add_filter( 'show_admin_bar', array( 'Jetpack_AMP_Support', 'show_admin_bar' ) );
58		add_filter( 'jetpack_comment_likes_enabled', array( 'Jetpack_AMP_Support', 'comment_likes_enabled' ) );
59		}
60
61		/**
62		* Disable the admin bar on AMP views.
63		*
64		* @param Whether bool $show the admin bar should be shown. Default false.
65		*/
66		public static function show_admin_bar( $show ) {
67		return $show && ! self::is_amp_request();
68		}
69
70		/**
71		* Disable the Comment Likes feature on AMP views.
72		*
73		* @param bool $enabled Should comment likes be enabled.
74		*/
75		public static function comment_likes_enabled( $enabled ) {
76		return $enabled && ! self::is_amp_request();
77		}
78
79		/**
80		* Apply custom AMP changes in wp-admin.
81		*/
82		public static function admin_init() {
83		// disable Likes metabox for post editor if AMP canonical disabled.
84		add_filter( 'post_flair_disable', array( 'Jetpack_AMP_Support', 'is_amp_canonical' ), 99 );
85		}
86
87		/**
88		* Is the page in AMP 'canonical mode'.
89		* Used when themes register support for AMP with `add_theme_support( 'amp' )`.
90		*
91		* @return bool is_amp_canonical
92		*/
93		public static function is_amp_canonical() {
94		return function_exists( 'amp_is_canonical' ) && amp_is_canonical();
95		}
96
97		/**
98		* Does the page return AMP content.
99		*
100		* @return bool $is_amp_request Are we on am AMP view.
101		*/
102		public static function is_amp_request() {
103		$is_amp_request = ( function_exists( 'is_amp_endpoint' ) && is_amp_endpoint() );
104
105		/**
106		* Returns true if the current request should return valid AMP content.
107		*
108		* @since 6.2.0
109		*
110		* @param boolean $is_amp_request Is this request supposed to return valid AMP content?
111		*/
112		return apply_filters( 'jetpack_is_amp_request', $is_amp_request );
113		}
114
115		/**
116		* Remove content filters added by Jetpack.
117		*/
118		public static function amp_disable_the_content_filters() {
119		if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
120		add_filter( 'videopress_show_2015_player', '__return_true' );
121		add_filter( 'protected_embeds_use_form_post', '__return_false' );
122		remove_filter( 'the_title', 'widont' );
123		}
124
125		remove_filter( 'pre_kses', array( 'Filter_Embedded_HTML_Objects', 'filter' ), 11 );
126		remove_filter( 'pre_kses', array( 'Filter_Embedded_HTML_Objects', 'maybe_create_links' ), 100 );
127		}
128
129		/**
130		* Do not add comment likes on AMP requests.
131		*
132		* @param string $content Post content.
133		*/
134		public static function disable_comment_likes_before_the_content( $content ) {
135		if ( self::is_amp_request() ) {
136		remove_filter( 'comment_text', 'comment_like_button', 12, 2 );
137		}
138		return $content;
139		}
140
141		/**
142		* Add Jetpack stats pixel.
143		*
144		* @since 6.2.1
145		*/
146		public static function add_stats_pixel() {
147		if ( ! has_action( 'wp_footer', 'stats_footer' ) ) {
148		return;
149		}
150		stats_render_amp_footer( stats_build_view_data() );
151		}
152
153		/**
154		* Add publisher and image metadata to legacy AMP post.
155		*
156		* @since 6.2.0
157		*
158		* @param array $metadata Metadata array.
159		* @param WP_Post $post Post.
160		* @return array Modified metadata array.
161		*/
162		public static function amp_post_template_metadata( $metadata, $post ) {
163		if ( isset( $metadata['publisher'] ) && ! isset( $metadata['publisher']['logo'] ) ) {
164		$metadata = self::add_site_icon_to_metadata( $metadata );
165		}
166
167		if ( ! isset( $metadata['image'] ) ) {
168		$metadata = self::add_image_to_metadata( $metadata, $post );
169		}
170
171		return $metadata;
172		}
173
174		/**
175		* Add blavatar to legacy AMP post metadata.
176		*
177		* @since 6.2.0
178		*
179		* @param array $metadata Metadata.
180		*
181		* @return array Metadata.
182		*/
183		private static function add_site_icon_to_metadata( $metadata ) {
184		$size = 60;
185		$site_icon_url = class_exists( 'Automattic\\Jetpack\\Sync\\Functions' ) ? Functions::site_icon_url( $size ) : '';
186
187		if ( function_exists( 'blavatar_domain' ) ) {
188		$metadata['publisher']['logo'] = array(
189		'@type' => 'ImageObject',
190		'url' => blavatar_url( blavatar_domain( site_url() ), 'img', $size, self::staticize_subdomain( 'https://wordpress.com/i/favicons/apple-touch-icon-60x60.png' ) ),
191		'width' => $size,
192		'height' => $size,
193		);
194		} elseif ( $site_icon_url ) {
195		$metadata['publisher']['logo'] = array(
196		'@type' => 'ImageObject',
197		'url' => $site_icon_url,
198		'width' => $size,
199		'height' => $size,
200		);
201		}
202
203		return $metadata;
204		}
205
206		/**
207		* Add image to legacy AMP post metadata.
208		*
209		* @since 6.2.0
210		*
211		* @param array $metadata Metadata.
212		* @param WP_Post $post Post.
213		* @return array Metadata.
214		*/
215		private static function add_image_to_metadata( $metadata, $post ) {
216		$image = Jetpack_PostImages::get_image(
217		$post->ID,
218		array(
219		'fallback_to_avatars' => true,
220		'avatar_size' => 200,
221		// AMP already attempts these.
222		'from_thumbnail' => false,
223		'from_attachment' => false,
224		)
225		);
226
227		if ( empty( $image ) ) {
228		return self::add_fallback_image_to_metadata( $metadata );
229		}
230
231		if ( ! isset( $image['src_width'] ) ) {
232		$dimensions = self::extract_image_dimensions_from_getimagesize(
233		array(
234		$image['src'] => false,
235		)
236		);
237
238	View Code Duplication	if ( false !== $dimensions[ $image['src'] ] ) {
239		$image['src_width'] = $dimensions['width'];
240		$image['src_height'] = $dimensions['height'];
241		}
242		}
243
244		$metadata['image'] = array(
245		'@type' => 'ImageObject',
246		'url' => $image['src'],
247		);
248		if ( isset( $image['src_width'] ) ) {
249		$metadata['image']['width'] = $image['src_width'];
250		}
251		if ( isset( $image['src_width'] ) ) {
252		$metadata['image']['height'] = $image['src_height'];
253		}
254
255		return $metadata;
256		}
257
258		/**
259		* Add fallback image to legacy AMP post metadata.
260		*
261		* @since 6.2.0
262		*
263		* @param array $metadata Metadata.
264		* @return array Metadata.
265		*/
266		private static function add_fallback_image_to_metadata( $metadata ) {
267		/** This filter is documented in functions.opengraph.php */
268		$default_image = apply_filters( 'jetpack_open_graph_image_default', 'https://wordpress.com/i/blank.jpg' );
269
270		$metadata['image'] = array(
271		'@type' => 'ImageObject',
272		'url' => self::staticize_subdomain( $default_image ),
273		'width' => 200,
274		'height' => 200,
275		);
276
277		return $metadata;
278		}
279
280		/**
281		* Return static WordPress.com domain to use to load resources from WordPress.com.
282		*
283		* @param string $domain Asset URL.
284		*/
285		private static function staticize_subdomain( $domain ) {
286		// deal with WPCOM vs Jetpack.
287		if ( function_exists( 'staticize_subdomain' ) ) {
288		return staticize_subdomain( $domain );
289		} else {
290		return Jetpack::staticize_subdomain( $domain );
291		}
292		}
293
294		/**
295		* Extract image dimensions via wpcom/imagesize, only on WPCOM
296		*
297		* @since 6.2.0
298		*
299		* @param array $dimensions Dimensions.
300		* @return array Dimensions.
301		*/
302		private static function extract_image_dimensions_from_getimagesize( $dimensions ) {
303		if ( ! ( defined( 'IS_WPCOM' ) && IS_WPCOM && function_exists( 'require_lib' ) ) ) {
304		return $dimensions;
305		}
306		require_lib( 'wpcom/imagesize' );
307
308		foreach ( $dimensions as $url => $value ) {
309		if ( is_array( $value ) ) {
310		continue;
311		}
312		$result = wpcom_getimagesize( $url );
313		if ( is_array( $result ) ) {
314		$dimensions[ $url ] = array(
315		'width' => $result[0],
316		'height' => $result[1],
317		);
318		}
319		}
320
321		return $dimensions;
322		}
323
324		/**
325		* Display Open Graph Meta tags in AMP views.
326		*/
327		public static function amp_post_jetpack_og_tags() {
328		if ( ! ( defined( 'IS_WPCOM' ) && IS_WPCOM ) ) {
329		Jetpack::init()->check_open_graph();
330		}
331
332		if ( function_exists( 'jetpack_og_tags' ) ) {
333		jetpack_og_tags();
334		}
335		}
336
337		/**
338		* Force Freedom mode in VideoPress.
339		*
340		* @param array $options Array of VideoPress shortcode options.
341		*/
342		public static function videopress_enable_freedom_mode( $options ) {
343		if ( self::is_amp_request() ) {
344		$options['freedom'] = true;
345		}
346		return $options;
347		}
348
349		/**
350		* Display custom markup for the sharing buttons when in an AMP view.
351		*
352		* @param string $markup Content markup of the Jetpack sharing links.
353		* @param array $sharing_enabled Array of Sharing Services currently enabled.
354		*/
355		public static function render_sharing_html( $markup, $sharing_enabled ) {
356		if ( ! self::is_amp_request() ) {
357		return $markup;
358		}
359
360		remove_action( 'wp_footer', 'sharing_add_footer' );
361		if ( empty( $sharing_enabled ) ) {
362		return $markup;
363		}
364		$supported_services = array(
365		'facebook' => array(
366		/** This filter is documented in modules/sharedaddy/sharing-sources.php */
367		'data-param-app_id' => apply_filters( 'jetpack_sharing_facebook_app_id', '249643311490' ),
368		),
369		'twitter' => array(),
370		'pinterest' => array(),
371		'whatsapp' => array(),
372		'tumblr' => array(),
373		'linkedin' => array(),
374		);
375		$sharing_links = array();
376		foreach ( $sharing_enabled['visible'] as $id => $service ) {
377		if ( ! isset( $supported_services[ $id ] ) ) {
378		$sharing_links[] = "<!-- not supported: $id -->";
379		continue;
380		}
381		$args = array_merge(
382		array(
383		'type' => $id,
384		),
385		$supported_services[ $id ]
386		);
387		$sharing_link = '<amp-social-share';
388		foreach ( $args as $key => $value ) {
389		$sharing_link .= sprintf( ' %s="%s"', sanitize_key( $key ), esc_attr( $value ) );
390		}
391		$sharing_link .= '></amp-social-share>';
392		$sharing_links[] = $sharing_link;
393		}
394
395		// Wrap AMP sharing buttons in container.
396		$markup = preg_replace( '#(?<=<div class="sd-content">).+?(?=</div>)#s', implode( '', $sharing_links ), $markup );
397
398		// Remove any lingering share-end list items.
399		$markup = str_replace( '<li class="share-end"></li>', '', $markup );
400
401		return $markup;
402		}
403
404		/**
405		* Tells Jetpack not to enqueue CSS for share buttons.
406		*
407		* @param bool $enqueue Whether or not to enqueue.
408		* @return bool Whether or not to enqueue.
409		*/
410		public static function amp_disable_sharedaddy_css( $enqueue ) {
411		if ( self::is_amp_request() ) {
412		$enqueue = false;
413		}
414
415		return $enqueue;
416		}
417
418		/**
419		* Ensure proper Photon image dimensions for AMP Stories.
420		*
421		* @param array $args Array of Photon Arguments.
422		* @param array $details {
423		* Array of image details.
424		*
425		* @type string $tag Image tag (Image HTML output).
426		* @type string $src Image URL.
427		* @type string $src_orig Original Image URL.
428		* @type int\|false $width Image width.
429		* @type int\|false $height Image height.
430		* @type int\|false $width_orig Original image width before constrained by content_width.
431		* @type int\|false $height_orig Original Image height before constrained by content_width.
432		* @type string $transform_orig Original transform before constrained by content_width.
433		* }
434		* @return array Args.
435		*/
436		public static function filter_photon_post_image_args_for_stories( $args, $details ) {
437		if ( ! is_singular( 'amp_story' ) ) {
438		return $args;
439		}
440
441		// Percentage-based dimensions are not allowed in AMP, so this shouldn't happen, but short-circuit just in case.
442		if ( false !== strpos( $details['width_orig'], '%' ) \|\| false !== strpos( $details['height_orig'], '%' ) ) {
443		return $args;
444		}
445
446		$max_height = 1280; // See image size with the slug \AMP_Story_Post_Type::MAX_IMAGE_SIZE_SLUG.
447		$transform = $details['transform_orig'];
448		$width = $details['width_orig'];
449		$height = $details['height_orig'];
450
451		// If height is available, constrain to $max_height.
452		if ( false !== $height ) {
453		if ( $height > $max_height && false !== $height ) {
454		$width = ( $max_height * $width ) / $height;
455		$height = $max_height;
456		} elseif ( $height > $max_height ) {
457		$height = $max_height;
458		}
459		}
460
461		/*
462		* Set a height if none is found.
463		* If height is set in this manner and height is available, use `fit` instead of `resize` to prevent skewing.
464		*/
465		if ( false === $height ) {
466		$height = $max_height;
467		if ( false !== $width ) {
468		$transform = 'fit';
469		}
470		}
471
472		// Build array of Photon args and expose to filter before passing to Photon URL function.
473		$args = array();
474
475		if ( false !== $width && false !== $height ) {
476		$args[ $transform ] = $width . ',' . $height;
477		} elseif ( false !== $width ) {
478		$args['w'] = $width;
479		} elseif ( false !== $height ) {
480		$args['h'] = $height;
481		}
482
483		return $args;
484		}
485
486		/**
487		* Adds amp-options to the list of options to sync, if AMP is available
488		*
489		* @param array $options_whitelist Whitelist of options to sync.
490		* @return array Updated options whitelist
491		*/
492		public static function filter_jetpack_options_whitelist( $options_whitelist ) {
493		if ( function_exists( 'is_amp_endpoint' ) ) {
494		$options_whitelist[] = 'amp-options';
495		}
496		return $options_whitelist;
497		}
498		}
499
500		add_action( 'init', array( 'Jetpack_AMP_Support', 'init' ), 1 );
501
502		add_action( 'admin_init', array( 'Jetpack_AMP_Support', 'admin_init' ), 1 );
503

Automattic / jetpack

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Jetpack_AMP_Support::render_sharing_html() B

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