<?php

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/**

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* Pinterest embeds

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*

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* Based on "Board Widget" example here: http://business.pinterest.com/widget-builder/#code

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*

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* Example URL: https://pinterest.com/pin/129056345550241149/

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* Second Example URL: https://uk.pinterest.com/annsawesomepins/travel/

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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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wp_embed_register_handler(

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'pinterest',

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'#'

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. 'https?://'

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. '(?:www\.)?'

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. '(?:[a-z]{2}\.)?'

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. 'pinterest\.[a-z.]+/'

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. '([^/]+)'

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. '(/[^/]+)?'

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. '#',

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'pinterest_embed_handler'

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);

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/**

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* Callback to modify output of embedded Pinterest posts.

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*

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* @param array $matches Regex partial matches against the URL passed.

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* @param array $attr Attributes received in embed response.

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* @param array $url Requested URL to be embedded.

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*/

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function pinterest_embed_handler( $matches, $attr, $url ) {

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// Pinterest's JS handles making the embed.

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$script_src = '//assets.pinterest.com/js/pinit.js';

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wp_enqueue_script( 'pinterest-embed', $script_src, array(), JETPACK__VERSION, true );

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$path = wp_parse_url( $url, PHP_URL_PATH );

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if ( str_starts_with( $path, '/pin/' ) ) {

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$embed_type = 'embedPin';

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} elseif ( preg_match( '#^/([^/]+)/?$#', $path ) ) {

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$embed_type = 'embedUser';

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} elseif ( preg_match( '#^/([^/]+)/([^/]+)/?$#', $path ) ) {

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$embed_type = 'embedBoard';

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} else {

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if ( current_user_can( 'edit_posts' ) ) {

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return __( 'Sorry, that Pinterest URL was not recognized.', 'jetpack' );

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}

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return;

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}

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$return = sprintf( '<a data-pin-do="%s" href="%s"></a>', esc_attr( $embed_type ), esc_url( $url ) );

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// If we're generating an embed view for the WordPress Admin via ajax.

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if ( doing_action( 'wp_ajax_parse-embed' ) ) {

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$return .= sprintf(

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'<script src="%s"></script>', // phpcs:ignore WordPress.WP.EnqueuedResources.NonEnqueuedScript

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esc_url( $script_src )

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);

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}

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return $return;

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}

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