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bandcamp.php
245 lines
| 1 | <?php |
| 2 | /** |
| 3 | * Shortcode handler for [bandcamp], which inserts a bandcamp.com |
| 4 | * music player (iframe, html5) |
| 5 | * |
| 6 | * [bandcamp album=119385304] |
| 7 | * [bandcamp album=3462839126 bgcol=FFFFFF linkcol=4285BB size=venti] |
| 8 | * [bandcamp track=2446959313] |
| 9 | * |
| 10 | * @package automattic/jetpack |
| 11 | */ |
| 12 | |
| 13 | /** |
| 14 | * Display the Bandcamp shortcode. |
| 15 | * |
| 16 | * @param array $atts Shortcode attributes. |
| 17 | */ |
| 18 | function shortcode_handler_bandcamp( $atts ) { |
| 19 | // there are no default values, but specify here anyway to explicitly list supported atts. |
| 20 | $attributes = shortcode_atts( |
| 21 | array( |
| 22 | 'album' => null, // integer album id. |
| 23 | 'track' => null, // integer track id. |
| 24 | 'video' => null, // integer track id for video player. |
| 25 | 'size' => 'venti', // one of the supported sizes. |
| 26 | 'bgcol' => 'FFFFFF', // hex, no '#' prefix. |
| 27 | 'linkcol' => null, // hex, no '#' prefix. |
| 28 | 'layout' => null, // encoded layout url. |
| 29 | 'width' => null, // integer with optional "%". |
| 30 | 'height' => null, // integer with optional "%". |
| 31 | 'notracklist' => null, // may be string "true" (defaults false). |
| 32 | 'tracklist' => null, // may be string "false" (defaults true). |
| 33 | // phpcs:ignore Squiz.PHP.CommentedOutCode.Found -- false positive |
| 34 | 'artwork' => null, // may be string "false" (alternately: "none") or "small" (default is large). |
| 35 | 'minimal' => null, // may be string "true" (defaults false). |
| 36 | 'theme' => null, // may be theme identifier string ("light"|"dark" so far). |
| 37 | 'package' => null, // integer package id. |
| 38 | 't' => null, // integer track number. |
| 39 | 'tracks' => null, // comma separated list of allowed tracks. |
| 40 | 'esig' => null, // hex, no '#' prefix. |
| 41 | ), |
| 42 | $atts, |
| 43 | 'bandcamp' |
| 44 | ); |
| 45 | |
| 46 | $sizes = array( |
| 47 | 'venti' => array( |
| 48 | 'width' => 400, |
| 49 | 'height' => 100, |
| 50 | ), |
| 51 | 'grande' => array( |
| 52 | 'width' => 300, |
| 53 | 'height' => 100, |
| 54 | ), |
| 55 | 'grande2' => array( |
| 56 | 'width' => 300, |
| 57 | 'height' => 355, |
| 58 | ), |
| 59 | 'grande3' => array( |
| 60 | 'width' => 300, |
| 61 | 'height' => 415, |
| 62 | ), |
| 63 | 'tall_album' => array( |
| 64 | 'width' => 150, |
| 65 | 'height' => 295, |
| 66 | ), |
| 67 | 'tall_track' => array( |
| 68 | 'width' => 150, |
| 69 | 'height' => 270, |
| 70 | ), |
| 71 | 'tall2' => array( |
| 72 | 'width' => 150, |
| 73 | 'height' => 450, |
| 74 | ), |
| 75 | 'short' => array( |
| 76 | 'width' => 46, |
| 77 | 'height' => 23, |
| 78 | ), |
| 79 | 'large' => array( |
| 80 | 'width' => 350, |
| 81 | 'height' => 470, |
| 82 | ), |
| 83 | 'medium' => array( |
| 84 | 'width' => 450, |
| 85 | 'height' => 120, |
| 86 | ), |
| 87 | 'small' => array( |
| 88 | 'width' => 350, |
| 89 | 'height' => 42, |
| 90 | ), |
| 91 | ); |
| 92 | |
| 93 | $sizekey = $attributes['size']; |
| 94 | $height = null; |
| 95 | $width = null; |
| 96 | |
| 97 | $is_video = false; |
| 98 | |
| 99 | /* |
| 100 | * Build iframe url. For audio players, args are appended as |
| 101 | * extra path segments for historical reasons having to |
| 102 | * do with an IE-only flash bug which required this URL |
| 103 | * to contain no querystring. Delay the actual joining |
| 104 | * of args into a string until after we decide if it's |
| 105 | * a video player or an audio player |
| 106 | */ |
| 107 | $argparts = array(); |
| 108 | |
| 109 | if ( ! isset( $attributes['album'] ) && ! isset( $attributes['track'] ) && ! isset( $attributes['video'] ) ) { |
| 110 | return "[bandcamp: shortcode must include 'track', 'album', or 'video' param]"; |
| 111 | } |
| 112 | |
| 113 | if ( isset( $attributes['track'] ) && is_numeric( $attributes['track'] ) ) { |
| 114 | $track = esc_attr( $attributes['track'] ); |
| 115 | array_push( $argparts, "track={$track}" ); |
| 116 | } elseif ( isset( $attributes['video'] ) && is_numeric( $attributes['video'] ) ) { |
| 117 | $track = esc_attr( $attributes['video'] ); // videos are referenced by track id. |
| 118 | $url = '//bandcamp.com/EmbeddedPlayer/v=2'; |
| 119 | $is_video = true; |
| 120 | array_push( $argparts, "track={$track}" ); |
| 121 | } |
| 122 | if ( isset( $attributes['album'] ) && is_numeric( $attributes['album'] ) ) { |
| 123 | $album = esc_attr( $attributes['album'] ); |
| 124 | array_push( $argparts, "album={$album}" ); |
| 125 | } |
| 126 | |
| 127 | if ( 'tall' === $sizekey ) { |
| 128 | if ( isset( $attributes['album'] ) ) { |
| 129 | $sizekey .= '_album'; |
| 130 | } else { |
| 131 | $sizekey .= '_track'; |
| 132 | } |
| 133 | } |
| 134 | |
| 135 | // if size specified that we don't recognize, fall back on venti. |
| 136 | if ( empty( $sizes[ $sizekey ] ) ) { |
| 137 | $sizekey = 'venti'; |
| 138 | $attributes['size'] = 'venti'; |
| 139 | } |
| 140 | |
| 141 | /* |
| 142 | * use strict regex for digits + optional % instead of absint for height/width |
| 143 | * 'width' and 'height' params in the iframe url get the exact string from the shortcode |
| 144 | * args, whereas the inline style attribute must have "px" added to it if it has no "%" |
| 145 | */ |
| 146 | if ( isset( $attributes['width'] ) && preg_match( '|^([0-9]+)(%)?$|', $attributes['width'], $matches ) ) { |
| 147 | $width = $attributes['width']; |
| 148 | $csswidth = $attributes['width']; |
| 149 | if ( count( $matches ) < 3 ) { |
| 150 | $csswidth .= 'px'; |
| 151 | } |
| 152 | } |
| 153 | if ( isset( $attributes['height'] ) && preg_match( '|^([0-9]+)(%)?$|', $attributes['height'], $matches ) ) { |
| 154 | $height = $attributes['height']; |
| 155 | $cssheight = $attributes['height']; |
| 156 | if ( count( $matches ) < 3 ) { |
| 157 | $cssheight .= 'px'; |
| 158 | } |
| 159 | } |
| 160 | |
| 161 | if ( ! $height ) { |
| 162 | $height = $sizes[ $sizekey ]['height']; |
| 163 | $cssheight = $height . 'px'; |
| 164 | } |
| 165 | |
| 166 | if ( ! $width ) { |
| 167 | $width = $sizes[ $sizekey ]['width']; |
| 168 | $csswidth = $width . 'px'; |
| 169 | } |
| 170 | |
| 171 | if ( isset( $attributes['layout'] ) ) { |
| 172 | array_push( $argparts, "layout={$attributes['layout']}" ); |
| 173 | } elseif ( isset( $attributes['size'] ) && preg_match( '|^[a-zA-Z0-9]+$|', $attributes['size'] ) ) { |
| 174 | array_push( $argparts, "size={$attributes['size']}" ); |
| 175 | } |
| 176 | |
| 177 | if ( isset( $attributes['bgcol'] ) && preg_match( '|^[0-9A-Fa-f]+$|', $attributes['bgcol'] ) ) { |
| 178 | array_push( $argparts, "bgcol={$attributes['bgcol']}" ); |
| 179 | } |
| 180 | |
| 181 | if ( isset( $attributes['linkcol'] ) && preg_match( '|^[0-9A-Fa-f]+$|', $attributes['linkcol'] ) ) { |
| 182 | array_push( $argparts, "linkcol={$attributes['linkcol']}" ); |
| 183 | } |
| 184 | |
| 185 | if ( isset( $attributes['package'] ) && preg_match( '|^[0-9]+$|', $attributes['package'] ) ) { |
| 186 | array_push( $argparts, "package={$attributes['package']}" ); |
| 187 | } |
| 188 | |
| 189 | if ( isset( $attributes['t'] ) && preg_match( '|^[0-9]+$|', $attributes['t'] ) ) { |
| 190 | array_push( $argparts, "t={$attributes['t']}" ); |
| 191 | } |
| 192 | |
| 193 | if ( 'true' === $attributes['notracklist'] ) { |
| 194 | array_push( $argparts, 'notracklist=true' ); |
| 195 | } |
| 196 | |
| 197 | // 'tracklist' arg deprecates 'notracklist=true' to be less weird. note, behavior |
| 198 | // if both are specified is undefined |
| 199 | switch ( $attributes['tracklist'] ) { |
| 200 | case 'false': |
| 201 | case 'none': |
| 202 | array_push( $argparts, 'tracklist=false' ); |
| 203 | break; |
| 204 | } |
| 205 | |
| 206 | switch ( $attributes['artwork'] ) { |
| 207 | case 'false': |
| 208 | case 'none': |
| 209 | case 'small': |
| 210 | array_push( $argparts, 'artwork=' . $attributes['artwork'] ); |
| 211 | break; |
| 212 | } |
| 213 | |
| 214 | if ( 'true' === $attributes['minimal'] ) { |
| 215 | array_push( $argparts, 'minimal=true' ); |
| 216 | } |
| 217 | |
| 218 | if ( isset( $attributes['theme'] ) && preg_match( '|^[a-zA-Z_]+$|', $attributes['theme'] ) ) { |
| 219 | array_push( $argparts, "theme={$attributes['theme']}" ); |
| 220 | } |
| 221 | |
| 222 | // param 'tracks' is signed digest param 'esig'. |
| 223 | if ( isset( $attributes['tracks'] ) && preg_match( '|^[0-9\,]+$|', $attributes['tracks'] ) ) { |
| 224 | if ( isset( $attributes['esig'] ) && preg_match( '|^[0-9A-Fa-f]+$|', $attributes['esig'] ) ) { |
| 225 | array_push( $argparts, "tracks={$attributes['tracks']}" ); |
| 226 | array_push( $argparts, "esig={$attributes['esig']}" ); |
| 227 | } |
| 228 | } |
| 229 | |
| 230 | if ( $is_video ) { |
| 231 | $url = '//bandcamp.com/VideoEmbed?' . join( '&', $argparts ); |
| 232 | $extra_attrs = " mozallowfullscreen='1' webkitallowfullscreen='1' allowfullscreen='1'"; |
| 233 | } else { |
| 234 | $url = '//bandcamp.com/EmbeddedPlayer/v=2/' . join( '/', $argparts ) . '/'; |
| 235 | $extra_attrs = ''; |
| 236 | } |
| 237 | |
| 238 | $iframe = '<iframe width="%s" height="%s" style="position: relative; display: block; width: %s; height: %s;" src="%s" allowtransparency="true" frameborder="0"%s></iframe>'; |
| 239 | $iframe = sprintf( $iframe, esc_attr( $width ), esc_attr( $height ), esc_attr( $csswidth ), esc_attr( $cssheight ), esc_url( $url ), $extra_attrs ); |
| 240 | |
| 241 | return $iframe; |
| 242 | } |
| 243 | |
| 244 | add_shortcode( 'bandcamp', 'shortcode_handler_bandcamp' ); |
| 245 |