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| 1 | <?php |
| 2 | /** |
| 3 | * Shortcode ID extraction methods. |
| 4 | * |
| 5 | * Provides static methods to extract identifiers from shortcode attributes |
| 6 | * for various media types (YouTube, Vimeo, TED, VideoPress, etc.). |
| 7 | * |
| 8 | * @package automattic/jetpack-post-media |
| 9 | */ |
| 10 | |
| 11 | namespace Automattic\Jetpack; |
| 12 | |
| 13 | /** |
| 14 | * Extracts media identifiers from shortcode attributes. |
| 15 | * |
| 16 | * @since 0.1.0 |
| 17 | */ |
| 18 | class Shortcodes { |
| 19 | |
| 20 | /** |
| 21 | * Get an ID from a shortcode attribute by key. |
| 22 | * |
| 23 | * Used for shortcodes that store their identifier in a single attribute, |
| 24 | * e.g. ted and hulu use a named 'id' attribute, while wpvideo and |
| 25 | * videopress use the first positional attribute. |
| 26 | * |
| 27 | * @since 0.1.0 |
| 28 | * |
| 29 | * @param array $atts Shortcode attributes. |
| 30 | * @param string|int $key The attribute key to look up. Defaults to 0 (first positional attribute). |
| 31 | * @return string|int The attribute value, or 0 if not found. |
| 32 | */ |
| 33 | public static function get_attribute_id( $atts, $key = 0 ) { |
| 34 | return ! empty( $atts[ $key ] ) ? $atts[ $key ] : 0; |
| 35 | } |
| 36 | |
| 37 | /** |
| 38 | * Normalizes a YouTube URL to include a v= parameter and a query string free of encoded ampersands. |
| 39 | * |
| 40 | * Handles youtu.be short links, /v/ paths, /shorts/ paths, playlist URLs, and encoded ampersands. |
| 41 | * |
| 42 | * @since 0.1.0 |
| 43 | * |
| 44 | * @param string|array $url YouTube URL, or an array with a 'url' key. |
| 45 | * @return string|false The normalized URL, or false if input is invalid. |
| 46 | */ |
| 47 | public static function sanitize_youtube_url( $url ) { |
| 48 | if ( is_array( $url ) && isset( $url['url'] ) ) { |
| 49 | $url = $url['url']; |
| 50 | } |
| 51 | if ( ! is_string( $url ) ) { |
| 52 | return false; |
| 53 | } |
| 54 | |
| 55 | $url = trim( $url, ' "' ); |
| 56 | $url = trim( $url ); |
| 57 | $url = str_replace( |
| 58 | array( 'youtu.be/', '/v/', '/shorts/', '#!v=', '&', '&', 'playlist' ), |
| 59 | array( 'youtu.be/?v=', '/?v=', '/watch?v=', '?v=', '&', '&', 'videoseries' ), |
| 60 | $url |
| 61 | ); |
| 62 | |
| 63 | // Replace any extra question marks with ampersands - the result of a URL like |
| 64 | // "https://www.youtube.com/v/dQw4w9WgXcQ?fs=1&hl=en_US" being passed in. |
| 65 | $query_string_start = strpos( $url, '?' ); |
| 66 | |
| 67 | if ( false !== $query_string_start ) { |
| 68 | $url = substr( $url, 0, $query_string_start + 1 ) . str_replace( '?', '&', substr( $url, $query_string_start + 1 ) ); |
| 69 | } |
| 70 | |
| 71 | return $url; |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * Extract a YouTube video or playlist ID from shortcode attributes. |
| 76 | * |
| 77 | * @since 0.1.0 |
| 78 | * |
| 79 | * @param string|array $atts Shortcode attributes. Can be just the URL string or the full $atts array. |
| 80 | * @return string|false The YouTube video or playlist ID, or false on failure. |
| 81 | */ |
| 82 | public static function get_youtube_id( $atts ) { |
| 83 | // Do we have an $atts array? Get first att. |
| 84 | if ( is_array( $atts ) ) { |
| 85 | $atts = reset( $atts ); |
| 86 | } |
| 87 | |
| 88 | $url = self::sanitize_youtube_url( $atts ); |
| 89 | |
| 90 | if ( ! is_string( $url ) || '' === $url ) { |
| 91 | return false; |
| 92 | } |
| 93 | |
| 94 | $parsed = parse_url( $url ); // phpcs:ignore WordPress.WP.AlternativeFunctions.parse_url_parse_url |
| 95 | |
| 96 | if ( ! is_array( $parsed ) || ! isset( $parsed['query'] ) ) { |
| 97 | return false; |
| 98 | } |
| 99 | |
| 100 | parse_str( $parsed['query'], $qargs ); |
| 101 | |
| 102 | if ( ! isset( $qargs['v'] ) && ! isset( $qargs['list'] ) ) { |
| 103 | return false; |
| 104 | } |
| 105 | |
| 106 | $id = ''; |
| 107 | |
| 108 | if ( isset( $qargs['list'] ) ) { |
| 109 | $id = preg_replace( '|[^_a-z0-9-]|i', '', $qargs['list'] ); |
| 110 | } |
| 111 | |
| 112 | if ( empty( $id ) && isset( $qargs['v'] ) ) { |
| 113 | $id = preg_replace( '|[^_a-z0-9-]|i', '', $qargs['v'] ); |
| 114 | } |
| 115 | |
| 116 | return empty( $id ) ? false : $id; |
| 117 | } |
| 118 | |
| 119 | /** |
| 120 | * Extract a Vimeo video ID from shortcode attributes. |
| 121 | * |
| 122 | * Supports numeric IDs and various Vimeo URL formats including |
| 123 | * groups, albums, channels, and player URLs. |
| 124 | * |
| 125 | * @since 0.1.0 |
| 126 | * |
| 127 | * @param array $atts Shortcode attributes. |
| 128 | * @return int The Vimeo video ID, or 0 if not found. |
| 129 | */ |
| 130 | public static function get_vimeo_id( $atts ) { |
| 131 | if ( isset( $atts[0] ) ) { |
| 132 | $atts[0] = trim( $atts[0], '=' ); |
| 133 | if ( is_numeric( $atts[0] ) ) { |
| 134 | return (int) $atts[0]; |
| 135 | } |
| 136 | |
| 137 | /** |
| 138 | * Extract Vimeo ID from the URL. For examples: |
| 139 | * https://vimeo.com/12345 |
| 140 | * https://vimeo.com/289091934/cd1f466bcc |
| 141 | * https://vimeo.com/album/2838732/video/6342264 |
| 142 | * https://vimeo.com/groups/758728/videos/897094040 |
| 143 | * https://vimeo.com/channels/staffpicks/videos/123456789 |
| 144 | * https://vimeo.com/album/1234567/video/7654321 |
| 145 | * https://player.vimeo.com/video/18427511 |
| 146 | */ |
| 147 | $pattern = '/(?:https?:\/\/)?vimeo\.com\/(?:groups\/[^\/]+\/videos\/|album\/\d+\/video\/|video\/|channels\/[^\/]+\/videos\/|[^\/]+\/)?([0-9]+)(?:[^\'\"0-9<]|$)/i'; |
| 148 | $match = array(); |
| 149 | if ( preg_match( $pattern, $atts[0], $match ) ) { |
| 150 | return (int) $match[1]; |
| 151 | } |
| 152 | } |
| 153 | |
| 154 | return 0; |
| 155 | } |
| 156 | |
| 157 | /** |
| 158 | * Get the unique ID of a TED video from shortcode attributes. |
| 159 | * |
| 160 | * @since 0.1.0 |
| 161 | * |
| 162 | * @param array $atts Shortcode attributes. |
| 163 | * @return string|int The TED video ID, or 0 if not found. |
| 164 | */ |
| 165 | public static function get_ted_id( $atts ) { |
| 166 | return self::get_attribute_id( $atts, 'id' ); |
| 167 | } |
| 168 | |
| 169 | /** |
| 170 | * Get a VideoPress ID from wpvideo shortcode attributes. |
| 171 | * |
| 172 | * @since 0.1.0 |
| 173 | * |
| 174 | * @param array $atts Shortcode attributes. |
| 175 | * @return string|int The VideoPress ID, or 0 if not found. |
| 176 | */ |
| 177 | public static function get_wpvideo_id( $atts ) { |
| 178 | return self::get_attribute_id( $atts ); |
| 179 | } |
| 180 | |
| 181 | /** |
| 182 | * Get a VideoPress ID from videopress shortcode attributes. |
| 183 | * |
| 184 | * @since 0.1.0 |
| 185 | * |
| 186 | * @param array $atts Shortcode attributes. |
| 187 | * @return string|int The VideoPress ID, or 0 if not found. |
| 188 | */ |
| 189 | public static function get_videopress_id( $atts ) { |
| 190 | return self::get_attribute_id( $atts ); |
| 191 | } |
| 192 | |
| 193 | /** |
| 194 | * Get a Hulu video ID from shortcode attributes. |
| 195 | * |
| 196 | * @since 0.1.0 |
| 197 | * |
| 198 | * @param array $atts Shortcode attributes. |
| 199 | * @return string|int The Hulu video ID, or 0 if not found. |
| 200 | */ |
| 201 | public static function get_hulu_id( $atts ) { |
| 202 | return self::get_attribute_id( $atts, 'id' ); |
| 203 | } |
| 204 | |
| 205 | /** |
| 206 | * Get an Archive.org embed ID from shortcode attributes. |
| 207 | * |
| 208 | * Extracts the identifier from an Archive.org details or embed URL, |
| 209 | * or uses the raw attribute value if it is not a URL. |
| 210 | * |
| 211 | * @since 0.1.0 |
| 212 | * |
| 213 | * @param array $atts Shortcode attributes. |
| 214 | * @return string|int The Archive.org identifier, the raw attribute value |
| 215 | * (which may be empty), or 0 if the attribute is not set. |
| 216 | */ |
| 217 | public static function get_archiveorg_id( $atts ) { |
| 218 | if ( isset( $atts[0] ) ) { |
| 219 | $atts[0] = trim( $atts[0], '=' ); |
| 220 | if ( preg_match( '~archive\.org/(details|embed)/([^/?#]+)~i', $atts[0], $match ) ) { |
| 221 | $id = $match[2]; |
| 222 | } else { |
| 223 | $id = $atts[0]; |
| 224 | } |
| 225 | return $id; |
| 226 | } |
| 227 | return 0; |
| 228 | } |
| 229 | |
| 230 | /** |
| 231 | * Get an Archive.org book embed ID from shortcode attributes. |
| 232 | * |
| 233 | * Extracts the identifier from an Archive.org stream URL, |
| 234 | * or uses the raw attribute value if it is not a URL. |
| 235 | * |
| 236 | * @since 0.1.0 |
| 237 | * |
| 238 | * @param array $atts Shortcode attributes. |
| 239 | * @return string|int The Archive.org book identifier, the raw attribute value |
| 240 | * (which may be empty), or 0 if the attribute is not set. |
| 241 | */ |
| 242 | public static function get_archiveorg_book_id( $atts ) { |
| 243 | if ( isset( $atts[0] ) ) { |
| 244 | $atts[0] = trim( $atts[0], '=' ); |
| 245 | if ( preg_match( '~archive\.org/stream/([^/?#]+)~i', $atts[0], $match ) ) { |
| 246 | $id = $match[1]; |
| 247 | } else { |
| 248 | $id = $atts[0]; |
| 249 | } |
| 250 | return $id; |
| 251 | } |
| 252 | return 0; |
| 253 | } |
| 254 | } |