<?php

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/**

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* Descript.com embed

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*

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* Example URL: https://share.descript.com/view/jUxUmel6GyN

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* Example embed code: <iframe src="https://share.descript.com/embed/jUxUmel6GyN" width="640" height="360" frameborder="0" allowfullscreen></iframe>

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*

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* @package automattic/jetpack

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*/

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if ( ! defined( 'ABSPATH' ) ) {

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exit( 0 );

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}

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if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {

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add_action( 'init', 'jetpack_descript_enable_embeds' );

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} else {

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jetpack_descript_enable_embeds();

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}

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/**

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* Register descript as oembed provider. Add filter to reverse iframes to shortcode. Register [descript] shortcode.

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*

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* @since 10.4

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*/

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function jetpack_descript_enable_embeds() {

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// Support their oEmbed Endpoint.

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wp_oembed_add_provider( '#https?://share.descript.com/(?:view|embed)/\w+#i', 'https://api.descript.com/v2/oembed', true );

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if ( jetpack_shortcodes_should_hook_pre_kses() ) {

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// Allow script to be filtered to short code (so direct copy+paste can be done).

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add_filter( 'pre_kses', 'jetpack_shortcodereverse_descript' );

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}

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// Actually display the descript Embed.

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add_shortcode( 'descript', 'jetpack_descript_shortcode' );

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}

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/**

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* Compose shortcode based on Descript iframes.

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*

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* @since 10.4

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*

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* @param string $content Post content.

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*

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* @return mixed

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*/

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function jetpack_shortcodereverse_descript( $content ) {

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if ( ! is_string( $content ) || false === stripos( $content, 'share.descript.com' ) ) {

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return $content;

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}

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$regexp = '/<iframe (?:loading="lazy" )?src="https:\/\/share.descript.com\/embed\/(\w+)" width="(\d+)" height="(\d+)" frameborder="0" allowfullscreen(?:="")?><\/iframe>/i';

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if ( preg_match_all( $regexp, $content, $matches, PREG_SET_ORDER ) ) {

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foreach ( $matches as $match ) {

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// We need at least a id.

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if ( isset( $match[1] ) ) {

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$shortcode = sprintf(

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'[descript id="%1$s" width="%2$s" height="%3$s"]',

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esc_attr( $match[1] ),

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esc_attr( $match[2] ),

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esc_attr( $match[3] )

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);

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$content = str_replace( $match[0], $shortcode, $content );

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}

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}

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}

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/** This action is documented in modules/widgets/social-media-icons.php */

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do_action( 'jetpack_bump_stats_extras', 'html_to_shortcode', 'descript' );

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return $content;

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}

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/**

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* Parse shortcode arguments and render its output.

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*

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* @since 10.4

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*

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* @param array $atts Shortcode parameters.

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*

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* @return string

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*/

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function jetpack_descript_shortcode( $atts ) {

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if ( ! empty( $atts['id'] ) ) {

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$id = $atts['id'];

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} else {

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return '<!-- Missing descript id -->';

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}

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if ( ! empty( $atts['width'] ) ) {

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$width = $atts['width'];

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} else {

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$width = '640';

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}

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if ( ! empty( $atts['height'] ) ) {

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$height = $atts['height'];

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} else {

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$height = '480';

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}

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$params = array(

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'id' => esc_attr( $id ),

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'width' => (int) $width,

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'height' => (int) $height,

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);

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$embed_url = sprintf(

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'https://share.descript.com/view/%1$s',

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esc_attr( $id )

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);

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$embed_code = wp_oembed_get( $embed_url, array_filter( $params ) );

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// wrap the embed with wp-block-embed__wrapper, otherwise it would be aligned to the very left of the viewport.

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return sprintf(

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'<div class="wp-block-embed__wrapper">%1$s</div>',

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$embed_code

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);

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}

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