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scribd.php
100 lines
| 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' ); |
| 100 |