← All changes | modules/shortcodes/archiveorg-book.php +139 -0 16.2-beta → 16.3-beta View file →

		@@ -1,0 +1,139 @@
	1	+<?php
	2	+/**
	3	+ * Archive.org Shortcode
	4	+ *
	5	+ * Usage:
	6	+ * [archiveorg-book goodytwoshoes00newyiala]
	7	+ * [archiveorg-book https://www.archive.org/stream/goodytwoshoes00newyiala]
	8	+ * [archiveorg id=goodytwoshoes00newyiala width=480 height=430]
	9	+
	10	+ * <iframe src="https://www.archive.org/stream/goodytwoshoes00newyiala?ui=embed#mode/1up" width="480px" height="430px" frameborder="0" ></iframe>
	11	+ *
	12	+ * @package automattic/jetpack
	13	+ */
	14	+
	15	+if ( ! defined( 'ABSPATH' ) ) {
	16	+ exit( 0 );
	17	+}
	18	+
	19	+/**
	20	+ * Get ID of requested archive.org book embed.
	21	+ *
	22	+ * @since 4.5.0
	23	+ *
	24	+ * @param array $atts Shortcode attributes.
	25	+ *
	26	+ * @return int|string
	27	+ */
	28	+function jetpack_shortcode_get_archiveorg_book_id( $atts ) {
	29	+ if ( isset( $atts[0] ) ) {
	30	+ $atts[0] = trim( $atts[0], '=' );
	31	+ if ( preg_match( '#archive.org/stream/(.+)/?$#i', $atts[0], $match ) ) {
	32	+ $id = $match[1];
	33	+ } else {
	34	+ $id = $atts[0];
	35	+ }
	36	+ return $id;
	37	+ }
	38	+ return 0;
	39	+}
	40	+
	41	+/**
	42	+ * Convert an archive.org book shortcode into an embed code.
	43	+ *
	44	+ * @since 4.5.0
	45	+ *
	46	+ * @param array $atts An array of shortcode attributes.
	47	+ * @return string The embed code for the Archive.org book
	48	+ */
	49	+function jetpack_archiveorg_book_shortcode( $atts ) {
	50	+ global $content_width;
	51	+
	52	+ if ( isset( $atts[0] ) && empty( $atts['id'] ) ) {
	53	+ $atts['id'] = jetpack_shortcode_get_archiveorg_book_id( $atts );
	54	+ }
	55	+
	56	+ $atts = shortcode_atts(
	57	+ array(
	58	+ 'id' => '',
	59	+ 'width' => 480,
	60	+ 'height' => 430,
	61	+ ),
	62	+ $atts
	63	+ );
	64	+
	65	+ if ( ! $atts['id'] ) {
	66	+ return '<!-- error: missing archive.org book ID -->';
	67	+ }
	68	+
	69	+ $id = $atts['id'];
	70	+
	71	+ if ( ! $atts['width'] ) {
	72	+ $width = absint( $content_width );
	73	+ } else {
	74	+ $width = (int) $atts['width'];
	75	+ }
	76	+
	77	+ if ( ! $atts['height'] ) {
	78	+ $height = round( ( $width / 640 ) * 360 );
	79	+ } else {
	80	+ $height = (int) $atts['height'];
	81	+ }
	82	+
	83	+ return sprintf(
	84	+ '<div class="embed-archiveorg-book" style="text-align:center;"><iframe title="%s" src="%s" width="%s" height="%s" style="border:0;" webkitallowfullscreen="true" mozallowfullscreen="true" allowfullscreen></iframe></div>',
	85	+ esc_attr__( 'Archive.org Book', 'jetpack' ),
	86	+ esc_url( "https://archive.org/stream/{$id}?ui=embed#mode/1up" ),
	87	+ esc_attr( $width ),
	88	+ esc_attr( $height )
	89	+ );
	90	+}
	91	+
	92	+add_shortcode( 'archiveorg-book', 'jetpack_archiveorg_book_shortcode' );
	93	+
	94	+/**
	95	+ * Compose shortcode from archive.org book iframe.
	96	+ *
	97	+ * @since 4.5.0
	98	+ *
	99	+ * @param string $content Post content.
	100	+ *
	101	+ * @return mixed
	102	+ */
	103	+function jetpack_archiveorg_book_embed_to_shortcode( $content ) {
	104	+ if ( ! is_string( $content ) || false === stripos( $content, 'archive.org/stream/' ) ) {
	105	+ return $content;
	106	+ }
	107	+
	108	+ $regexp = '!<iframe\s+src=[\'"](http|https)://(www.archive|archive)\.org/stream/([^\'"]+)[\'"]((?:\s+\w+(=[\'"][^\'"]*[\'"])?)*)\s></iframe>!i';
	109	+
	110	+ if ( ! preg_match_all( $regexp, $content, $matches, PREG_SET_ORDER ) ) {
	111	+ return $content;
	112	+ }
	113	+
	114	+ foreach ( $matches as $match ) {
	115	+ $url = explode( '?', $match[3] );
	116	+ $id = $url[0];
	117	+
	118	+ $params = $match[4];
	119	+
	120	+ $params = wp_kses_hair( $params, array( 'http' ) );
	121	+
	122	+ $width = isset( $params['width'] ) ? absint( $params['width']['value'] ) : 0;
	123	+ $height = isset( $params['height'] ) ? absint( $params['height']['value'] ) : 0;
	124	+
	125	+ $wh = '';
	126	+ if ( $width && $height ) {
	127	+ $wh = ' width=' . $width . ' height=' . $height;
	128	+ }
	129	+
	130	+ $shortcode = '[archiveorg-book ' . $id . $wh . ']';
	131	+ $content = str_replace( $match[0], $shortcode, $content );
	132	+ }
	133	+
	134	+ return $content;
	135	+}
	136	+
	137	+if ( jetpack_shortcodes_should_hook_pre_kses() ) {
	138	+ add_filter( 'pre_kses', 'jetpack_archiveorg_book_embed_to_shortcode' );
	139	+}