| @@ -1,0 +1,99 @@ | ||
| 1 | +<?php | |
| 2 | +/** | |
| 3 | + * Scribd Shortcode | |
| 4 | + * | |
| 5 | + * [scribd id=DOCUMENT_ID key=DOCUMENT_KEY mode=MODE] | |
| 6 | + * DOCUMENT_ID is an integer (also used as an object_id) | |
| 7 | + * DOCUMENT_KEY is an alphanumeric hash ('-' character as well) | |
| 8 | + * MODE can be 'list', 'book', 'slide', 'slideshow', or 'tile' | |
| 9 | + * | |
| 10 | + * [scribd id=39027960 key=key-3kaiwcjqhtipf25m8tw mode=list] | |
| 11 | + * | |
| 12 | + * @package automattic/jetpack | |
| 13 | + */ | |
| 14 | + | |
| 15 | +if ( ! defined( 'ABSPATH' ) ) { | |
| 16 | + exit( 0 ); | |
| 17 | +} | |
| 18 | + | |
| 19 | +/** | |
| 20 | + * Register Scribd shortcode. | |
| 21 | + * | |
| 22 | + * @param array $atts Shortcode attributes. | |
| 23 | + */ | |
| 24 | +function scribd_shortcode_handler( $atts ) { | |
| 25 | + $atts = shortcode_atts( | |
| 26 | + array( | |
| 27 | + 'id' => 0, | |
| 28 | + 'key' => 0, | |
| 29 | + 'mode' => '', | |
| 30 | + ), | |
| 31 | + $atts, | |
| 32 | + 'scribd' | |
| 33 | + ); | |
| 34 | + | |
| 35 | + $modes = array( 'list', 'book', 'slide', 'slideshow', 'tile' ); | |
| 36 | + | |
| 37 | + $atts['id'] = (int) $atts['id']; | |
| 38 | + if ( preg_match( '/^[A-Za-z0-9-]+$/', $atts['key'], $m ) ) { | |
| 39 | + $atts['key'] = $m[0]; | |
| 40 | + | |
| 41 | + if ( ! in_array( $atts['mode'], $modes, true ) ) { | |
| 42 | + $atts['mode'] = ''; | |
| 43 | + } | |
| 44 | + | |
| 45 | + return scribd_shortcode_markup( $atts ); | |
| 46 | + } else { | |
| 47 | + return ''; | |
| 48 | + } | |
| 49 | +} | |
| 50 | + | |
| 51 | +/** | |
| 52 | + * Display the shortcode. | |
| 53 | + * | |
| 54 | + * @param array $atts Shortcode attributes. | |
| 55 | + * @return string The rendered shortcode. | |
| 56 | + */ | |
| 57 | +function scribd_shortcode_markup( $atts ) { | |
| 58 | + $sandbox = class_exists( 'Jetpack_AMP_Support' ) && Jetpack_AMP_Support::is_amp_request() | |
| 59 | + ? 'sandbox="allow-popups allow-scripts allow-same-origin"' | |
| 60 | + : ''; | |
| 61 | + | |
| 62 | + $url = add_query_arg( | |
| 63 | + array( | |
| 64 | + 'start_page' => '1', | |
| 65 | + 'view_mode' => esc_attr( $atts['mode'] ), | |
| 66 | + 'access_key' => esc_attr( $atts['key'] ), | |
| 67 | + ), | |
| 68 | + esc_url( | |
| 69 | + sprintf( | |
| 70 | + 'https://www.scribd.com/embeds/%1$d/content', | |
| 71 | + absint( $atts['id'] ) | |
| 72 | + ) | |
| 73 | + ) | |
| 74 | + ); | |
| 75 | + | |
| 76 | + return sprintf( | |
| 77 | + '<iframe class="scribd_iframe_embed" src="%1$s" %2$s data-auto-height="true" scrolling="no" id="scribd_%3$d" width="100%%" height="500" frameborder="0"></iframe> | |
| 78 | + <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>', | |
| 79 | + $url, | |
| 80 | + $sandbox, | |
| 81 | + absint( $atts['id'] ), | |
| 82 | + esc_html__( 'View this document on Scribd', 'jetpack' ) | |
| 83 | + ); | |
| 84 | +} | |
| 85 | +add_shortcode( 'scribd', 'scribd_shortcode_handler' ); | |
| 86 | + | |
| 87 | +/** | |
| 88 | + * Scribd supports HTTPS, so use that endpoint to get HTTPS-compatible embeds. | |
| 89 | + * | |
| 90 | + * @param array $providers Array of oEmbed providers. | |
| 91 | + */ | |
| 92 | +function scribd_https_oembed( $providers ) { | |
| 93 | + if ( isset( $providers['#https?://(www\.)?scribd\.com/doc/.*#i'] ) ) { | |
| 94 | + $providers['#https?://(www\.)?scribd\.com/doc/.*#i'][0] = 'https://www.scribd.com/services/oembed'; | |
| 95 | + } | |
| 96 | + | |
| 97 | + return $providers; | |
| 98 | +} | |
| 99 | +add_filter( 'oembed_providers', 'scribd_https_oembed' ); | |