95 lines
2.4 KiB
PHP
95 lines
2.4 KiB
PHP
<?php
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/**
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* Scribd Shortcode
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*
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* [scribd id=DOCUMENT_ID key=DOCUMENT_KEY mode=MODE]
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* DOCUMENT_ID is an integer (also used as an object_id)
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* DOCUMENT_KEY is an alphanumeric hash ('-' character as well)
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* MODE can be 'list', 'book', 'slide', 'slideshow', or 'tile'
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*
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* [scribd id=39027960 key=key-3kaiwcjqhtipf25m8tw mode=list]
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*
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* @package automattic/jetpack
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*/
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/**
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* Register Scribd shortcode.
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*
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* @param array $atts Shortcode attributes.
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*/
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function scribd_shortcode_handler( $atts ) {
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$atts = shortcode_atts(
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array(
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'id' => 0,
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'key' => 0,
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'mode' => '',
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),
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$atts,
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'scribd'
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);
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$modes = array( 'list', 'book', 'slide', 'slideshow', 'tile' );
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$atts['id'] = (int) $atts['id'];
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if ( preg_match( '/^[A-Za-z0-9-]+$/', $atts['key'], $m ) ) {
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$atts['key'] = $m[0];
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if ( ! in_array( $atts['mode'], $modes, true ) ) {
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$atts['mode'] = '';
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}
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return scribd_shortcode_markup( $atts );
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} else {
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return '';
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}
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}
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/**
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* Display the shortcode.
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*
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* @param array $atts Shortcode attributes.
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* @return string The rendered shortcode.
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*/
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function scribd_shortcode_markup( $atts ) {
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$sandbox = class_exists( 'Jetpack_AMP_Support' ) && Jetpack_AMP_Support::is_amp_request()
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? 'sandbox="allow-popups allow-scripts allow-same-origin"'
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: '';
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$url = add_query_arg(
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array(
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'start_page' => '1',
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'view_mode' => esc_attr( $atts['mode'] ),
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'access_key' => esc_attr( $atts['key'] ),
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),
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esc_url(
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sprintf(
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'https://www.scribd.com/embeds/%1$d/content',
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absint( $atts['id'] )
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)
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)
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);
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return sprintf(
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'<iframe class="scribd_iframe_embed" src="%1$s" %2$s data-auto-height="true" scrolling="no" id="scribd_%3$d" width="100%%" height="500" frameborder="0"></iframe>
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<div style="font-size:10px;text-align:center;width:100%%"><a href="https://www.scribd.com/doc/%3$d" rel="noopener noreferrer" target="_blank">%4$s</a></div>',
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$url,
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$sandbox,
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absint( $atts['id'] ),
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esc_html__( 'View this document on Scribd', 'jetpack' )
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);
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}
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add_shortcode( 'scribd', 'scribd_shortcode_handler' );
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/**
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* Scribd supports HTTPS, so use that endpoint to get HTTPS-compatible embeds.
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*
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* @param array $providers Array of oEmbed providers.
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*/
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function scribd_https_oembed( $providers ) {
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if ( isset( $providers['#https?://(www\.)?scribd\.com/doc/.*#i'] ) ) {
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$providers['#https?://(www\.)?scribd\.com/doc/.*#i'][0] = 'https://www.scribd.com/services/oembed';
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}
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return $providers;
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}
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add_filter( 'oembed_providers', 'scribd_https_oembed' );
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