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<?php
namespace Elementor;

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly.
}

/**
 * Elementor embed.
 *
 * Elementor embed handler class is responsible for Elementor embed functionality.
 * The class holds the supported providers with their embed patters, and handles
 * their custom properties to create custom HTML with the embedded content.
 *
 * @since 1.5.0
 */
class Embed {

/**
	 * Provider match masks.
	 *
	 * Holds a list of supported providers with their URL structure in a regex format.
	 *
	 * @since 1.5.0
	 * @access private
	 * @static
	 *
	 * @var array Provider URL structure regex.
	 */
	private static $provider_match_masks = [
		'youtube' => '/^.*(?:youtu\.be\/|youtube(?:-nocookie)?\.com\/(?:(?:watch)?\?(?:.*&)?vi?=|(?:embed|v|vi|user|shorts)\/))([^\?&\"\'>]+)/',
		'vimeo' => '/^.*vimeo\.com\/(?:[a-z]*\/)*([‌0-9]{6,11})[?]?.*/',
		'dailymotion' => '/^.*dailymotion.com\/(?:video|hub)\/([^_]+)[^#]*(#video=([^_&]+))?/',
		'videopress' => [
			'/^(?:http(?:s)?:\/\/)?videos\.files\.wordpress\.com\/([a-zA-Z\d]{8,})\//i',
			'/^(?:http(?:s)?:\/\/)?(?:www\.)?video(?:\.word)?press\.com\/(?:v|embed)\/([a-zA-Z\d]{8,})(.+)?/i',
		],
	];

/**
	 * Embed patterns.
	 *
	 * Holds a list of supported providers with their embed patters.
	 *
	 * @since 1.5.0
	 * @access private
	 * @static
	 *
	 * @var array Embed patters.
	 */
	private static $embed_patterns = [
		'youtube' => 'https://www.youtube{NO_COOKIE}.com/embed/{VIDEO_ID}?feature=oembed',
		'vimeo' => 'https://player.vimeo.com/video/{VIDEO_ID}#t={TIME}',
		'dailymotion' => 'https://dailymotion.com/embed/video/{VIDEO_ID}',
		'videopress' => 'https://videopress.com/embed/{VIDEO_ID}',
	];

/**
	 * Get video properties.
	 *
	 * Retrieve the video properties for a given video URL.
	 *
	 * @since 1.5.0
	 * @access public
	 * @static
	 *
	 * @param string $video_url Video URL.
	 *
	 * @return null|array The video properties, or null.
	 */
	public static function get_video_properties( $video_url ) {
		foreach ( self::$provider_match_masks as $provider => $match_mask ) {
			if ( ! is_array( $match_mask ) ) {
				$match_mask = [ $match_mask ];
			}

foreach ( $match_mask as $mask ) {
				if ( preg_match( $mask, $video_url, $matches ) ) {
					return [
						'provider' => $provider,
						'video_id' => $matches[1],
					];
				}
			}
		}

return null;
	}

/**
	 * Get embed URL.
	 *
	 * Retrieve the embed URL for a given video.
	 *
	 * @since 1.5.0
	 * @access public
	 * @static
	 *
	 * @param string $video_url        Video URL.
	 * @param array  $embed_url_params Optional. Embed parameters. Default is an
	 *                                 empty array.
	 * @param array  $options          Optional. Embed options. Default is an
	 *                                 empty array.
	 *
	 * @return null|array The video properties, or null.
	 */
	public static function get_embed_url( $video_url, array $embed_url_params = [], array $options = [] ) {
		$video_properties = self::get_video_properties( $video_url );

if ( ! $video_properties ) {
			return null;
		}

$embed_pattern = self::$embed_patterns[ $video_properties['provider'] ];

$replacements = [
			'{VIDEO_ID}' => $video_properties['video_id'],
		];

if ( 'youtube' === $video_properties['provider'] ) {
			$replacements['{NO_COOKIE}'] = ! empty( $options['privacy'] ) ? '-nocookie' : '';
		} elseif ( 'vimeo' === $video_properties['provider'] ) {
			$time_text = '';

if ( ! empty( $options['start'] ) ) {
				$time_text = date( 'H\hi\ms\s', $options['start'] ); // PHPCS:Ignore WordPress.DateTime.RestrictedFunctions.date_date
			}

$replacements['{TIME}'] = $time_text;

/**
			 * Handle Vimeo private videos
			 *
			 * Vimeo requires an additional parameter when displaying private/unlisted videos. It has two ways of
			 * passing that parameter:
			 * * as an endpoint - vimeo.com/{video_id}/{privacy_token}
			 * OR
			 * * as a GET parameter named `h` - vimeo.com/{video_id}?h={privacy_token}
			 *
			 * The following regex match looks for either of these methods in the Vimeo URL, and if it finds a privacy
			 * token, it adds it to the embed params array as the `h` parameter (which is how Vimeo can receive it when
			 * using Oembed).
			 */
			$h_param = [];
			preg_match( '/(?|(?:[\?|\&]h={1})([\w]+)|\d\/([\w]+))/', $video_url, $h_param );

if ( ! empty( $h_param ) ) {
				$embed_url_params['h'] = $h_param[1];
			}
		}

$embed_pattern = str_replace( array_keys( $replacements ), $replacements, $embed_pattern );

return add_query_arg( $embed_url_params, $embed_pattern );
	}

/**
	 * Get embed HTML.
	 *
	 * Retrieve the final HTML of the embedded URL.
	 *
	 * @since 1.5.0
	 * @access public
	 * @static
	 *
	 * @param string $video_url        Video URL.
	 * @param array  $embed_url_params Optional. Embed parameters. Default is an
	 *                                 empty array.
	 * @param array  $options          Optional. Embed options. Default is an
	 *                                 empty array.
	 * @param array  $frame_attributes Optional. IFrame attributes. Default is an
	 *                                 empty array.
	 *
	 * @return string The embed HTML.
	 */
	public static function get_embed_html( $video_url, array $embed_url_params = [], array $options = [], array $frame_attributes = [] ) {
		$video_properties = self::get_video_properties( $video_url );

$default_frame_attributes = [
			'class' => 'elementor-video-iframe',
			'allowfullscreen',
			'allow' => 'clipboard-write',
			'title' => sprintf(
				/* translators: %s: Video provider */
				__( '%s Video Player', 'elementor' ),
				$video_properties['provider']
			),
		];

$video_embed_url = self::get_embed_url( $video_url, $embed_url_params, $options );
		if ( ! $video_embed_url ) {
			return null;
		}
		if ( ! isset( $options['lazy_load'] ) || ! $options['lazy_load'] ) {
			$default_frame_attributes['src'] = $video_embed_url;
		} else {
			$default_frame_attributes['data-lazy-load'] = $video_embed_url;
		}

if ( isset( $embed_url_params['autoplay'] ) ) {
			$default_frame_attributes['allow'] = 'autoplay';
		}

$frame_attributes = array_merge( $default_frame_attributes, $frame_attributes );

$attributes_for_print = [];

foreach ( $frame_attributes as $attribute_key => $attribute_value ) {
			$attribute_value = esc_attr( $attribute_value );

if ( is_numeric( $attribute_key ) ) {
				$attributes_for_print[] = $attribute_value;
			} else {
				$attributes_for_print[] = sprintf( '%1$s="%2$s"', $attribute_key, $attribute_value );
			}
		}

$attributes_for_print = implode( ' ', $attributes_for_print );

$iframe_html = "<iframe $attributes_for_print></iframe>";

/** This filter is documented in wp-includes/class-oembed.php */
		return apply_filters( 'oembed_result', $iframe_html, $video_url, $frame_attributes );
	}

/**
	 * Get oembed data from the cache.
	 * if not exists in the cache it will fetch from provider and then save to the cache.
	 *
	 * @param string $oembed_url
	 * @param string $cached_post_id
	 *
	 * @return array|null
	 */
	public static function get_oembed_data( $oembed_url, $cached_post_id ) {
		$cached_oembed_data = json_decode( get_post_meta( $cached_post_id, '_elementor_oembed_cache', true ), true );

if ( isset( $cached_oembed_data[ $oembed_url ] ) ) {
			return $cached_oembed_data[ $oembed_url ];
		}

$normalize_oembed_data = self::fetch_oembed_data( $oembed_url );

if ( ! $cached_oembed_data ) {
			$cached_oembed_data = [];
		}

update_post_meta( $cached_post_id, '_elementor_oembed_cache', wp_json_encode( array_merge(
			$cached_oembed_data,
			[
				$oembed_url => $normalize_oembed_data,
			]
		) ) );

return $normalize_oembed_data;
	}

/**
	 * Fetch oembed data from oembed provider.
	 *
	 * @param string $oembed_url
	 * @return array|null
	 */
	public static function fetch_oembed_data( $oembed_url ) {
		$oembed_data = _wp_oembed_get_object()->get_data( $oembed_url );

if ( ! $oembed_data ) {
			return null;
		}

return [
			'thumbnail_url' => $oembed_data->thumbnail_url,
			'title' => $oembed_data->title,
		];
	}

/**
	 * @param string          $oembed_url
	 * @param null|string|int $cached_post_id
	 *
	 * @return string|null
	 */
	public static function get_embed_thumbnail_html( $oembed_url, $cached_post_id = null ) {
		$oembed_data = self::get_oembed_data( $oembed_url, $cached_post_id );

if ( ! $oembed_data ) {
			return null;
		}

return '<div class="elementor-image">' . sprintf( '<img src="%1$s" alt="%2$s" title="%2$s" width="%3$s" loading="lazy" />', $oembed_data['thumbnail_url'], esc_attr( $oembed_data['title'] ), '100%' ) . '</div>';
	}
}

Nama File / Folder	Size	Action
admin-templates	--	NONE
base	--	NONE
controls	--	NONE
editor-templates	--	NONE
elements	--	NONE
interfaces	--	NONE
libraries	--	NONE
managers	--	NONE
settings	--	NONE
template-library	--	NONE
widgets	--	NONE
api.php	8.606KB	Edit File Delete File Rename
autoloader.php	9.787KB	Edit File Delete File Rename
beta-testers.php	2.987KB	Edit File Delete File Rename
compatibility.php	10.958KB	Edit File Delete File Rename
conditions.php	2.703KB	Edit File Delete File Rename
editor-assets-api.php	1.765KB	Edit File Delete File Rename
embed.php	8.476KB	Edit File Delete File Rename
frontend.php	38.424KB	Edit File Delete File Rename
heartbeat.php	2.573KB	Edit File Delete File Rename
maintenance-mode.php	11.158KB	Edit File Delete File Rename
maintenance.php	2.813KB	Edit File Delete File Rename
plugin.php	15.604KB	Edit File Delete File Rename
preview.php	7.689KB	Edit File Delete File Rename
rollback.php	3.632KB	Edit File Delete File Rename
shapes.php	7.812KB	Edit File Delete File Rename
stylesheet.php	8.91KB	Edit File Delete File Rename
tracker.php	16.999KB	Edit File Delete File Rename
user-data.php	3.439KB	Edit File Delete File Rename
user.php	11.075KB	Edit File Delete File Rename
utils.php	23.921KB	Edit File Delete File Rename