| 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 |
} |
| 255 |
|