1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
|
<?php
/*
Plugin Name: SoundCloud Shortcode
Plugin URI: https://wordpress.org/extend/plugins/soundcloud-shortcode/
Description: Converts SoundCloud WordPress shortcodes to a SoundCloud widget. Example: [soundcloud]http://soundcloud.com/forss/flickermood[/soundcloud]
Version: 2.3
Author: SoundCloud Inc., simplified for Jetpack by Automattic, Inc.
Author URI: http://soundcloud.com
License: GPLv2
Original version: Johannes Wagener <johannes@soundcloud.com>
Options support: Tiffany Conroy <tiffany@soundcloud.com>
HTML5 & oEmbed support: Tim Bormans <tim@soundcloud.com>
*/
/*
A8C: Taken from http://plugins.svn.wordpress.org/soundcloud-shortcode/trunk/
at revision 664386.
Commenting out (instead of removing) and replacing code with custom modifs
so it's eqsy to see what differs from the standard DOTORG version.
All custom modifs are annoted with "A8C" keyword in comment.
*/
/**
* Register oEmbed provider
*/
/* A8C: oEmbed is handled now in core; see wp-includes/class-oembed.php
wp_oembed_add_provider( '#https?://(?:api\.)?soundcloud\.com/.*#i', 'http://soundcloud.com/oembed', true );
*/
/**
* Register SoundCloud shortcode
*/
add_shortcode( 'soundcloud', 'soundcloud_shortcode' );
/**
* SoundCloud shortcode handler
*
* @param string|array $atts The attributes passed to the shortcode like [soundcloud attr1="value" /].
* Is an empty string when no arguments are given.
* @param string $content The content between non-self closing [soundcloud]...[/soundcloud] tags.
*
* @return string Widget embed code HTML
*/
function soundcloud_shortcode( $atts, $content = null ) {
// Custom shortcode options
$shortcode_options = array_merge( array( 'url' => trim( $content ) ), is_array( $atts ) ? $atts : array() );
// Turn shortcode option "param" (param=value¶m2=value) into array
$shortcode_params = array();
if ( isset( $shortcode_options['params'] ) ) {
parse_str( html_entity_decode( $shortcode_options['params'] ), $shortcode_params );
}
$shortcode_options['params'] = $shortcode_params;
/* A8C: The original plugin exposes options we don't. SoundCloud omits "visual" shortcode
option when false, so if logic here remains, impossible to have non-visual shortcode.
$player_type = soundcloud_get_option( 'player_type', 'visual' );
$isIframe = $player_type !== 'flash';
$isVisual = ! $player_type || $player_type === 'visual' || $shortcode_options['visual'];
*/
// User preference options
$plugin_options = array_filter(
array(
'iframe' => true, // A8C: See above comment; flash is not a supported option
'width' => soundcloud_get_option( 'player_width' ),
'height' => soundcloud_url_has_tracklist( $shortcode_options['url'] ) ? soundcloud_get_option( 'player_height_multi' ) : soundcloud_get_option( 'player_height' ),
'params' => array_filter(
array(
'auto_play' => soundcloud_get_option( 'auto_play' ),
'show_comments' => soundcloud_get_option( 'show_comments' ),
'color' => soundcloud_get_option( 'color' ),
'visual' => 'false', // A8C: Merged with params below at $options assignment
)
),
)
);
// Needs to be an array
if ( ! isset( $plugin_options['params'] ) ) {
$plugin_options['params'] = array();
}
// plugin options < shortcode options
$options = array_merge(
$plugin_options,
$shortcode_options
);
// plugin params < shortcode params
$options['params'] = array_merge(
$plugin_options['params'],
$shortcode_options['params']
);
// The "url" option is required
if ( ! isset( $options['url'] ) ) {
return '';
} else {
$options['url'] = trim( $options['url'] );
}
// Both "width" and "height" need to be integers
if ( isset( $options['width'] ) && ! preg_match( '/^\d+$/', $options['width'] ) ) {
// set to 0 so oEmbed will use the default 100% and WordPress themes will leave it alone
$options['width'] = 0;
}
if ( isset( $options['height'] ) && ! preg_match( '/^\d+$/', $options['height'] ) ) {
unset( $options['height'] );
}
// The "iframe" option must be true to load the iframe widget
$iframe = soundcloud_booleanize( $options['iframe'] );
// Remove visual parameter from Flash widget, when it's false because that's the default, or when displaying the smallest player
if ( $options['params']['visual'] && ( ! $iframe || ! soundcloud_booleanize( $options['params']['visual'] ) || ( isset( $options['height'] ) && '20' == $options['height'] ) ) ) {
unset( $options['params']['visual'] );
}
// Merge in "url" value
$options['params'] = array_merge(
array(
'url' => $options['url'],
), $options['params']
);
// Return html embed code
if ( $iframe ) {
return soundcloud_iframe_widget( $options );
} else {
return soundcloud_flash_widget( $options );
}
}
/**
* Plugin options getter
*
* @param string|array $option Option name
* @param mixed $default Default value
*
* @return mixed Option value
*/
function soundcloud_get_option( $option, $default = false ) {
$value = get_option( 'soundcloud_' . $option );
return $value === '' ? $default : $value;
}
/**
* Booleanize a value
*
* @param boolean|string $value
*
* @return boolean
*/
function soundcloud_booleanize( $value ) {
return is_bool( $value ) ? $value : $value === 'true' ? true : false;
}
/**
* Decide if a url has a tracklist
*
* @param string $url
*
* @return boolean
*/
function soundcloud_url_has_tracklist( $url ) {
return preg_match( '/^(.+?)\/(sets|groups|playlists)\/(.+?)$/', $url );
}
/**
* Parameterize url
*
* @param array $match Matched regex
*
* @return string Parameterized url
*/
function soundcloud_oembed_params_callback( $match ) {
global $soundcloud_oembed_params;
// Convert URL to array
$url = parse_url( urldecode( $match[1] ) );
// Convert URL query to array
parse_str( $url['query'], $query_array );
// Build new query string
$query = http_build_query( array_merge( $query_array, $soundcloud_oembed_params ) );
return 'src="' . $url['scheme'] . '://' . $url['host'] . $url['path'] . '?' . $query;
}
/**
* Iframe widget embed code
*
* @param array $options Parameters
*
* @return string Iframe embed code
*/
function soundcloud_iframe_widget( $options ) {
// Build URL
$url = set_url_scheme( 'https://w.soundcloud.com/player/?' . http_build_query( $options['params'] ) );
// Set default width if not defined
$width = isset( $options['width'] ) && $options['width'] !== 0 ? $options['width'] : '100%';
// Set default height if not defined
$height = isset( $options['height'] ) && $options['height'] !== 0
? $options['height']
: ( soundcloud_url_has_tracklist( $options['url'] ) || ( isset( $options['params']['visual'] ) && soundcloud_booleanize( $options['params']['visual'] ) ) ? '450' : '166' );
return sprintf( '<iframe width="%s" height="%s" scrolling="no" frameborder="no" src="%s"></iframe>', $width, $height, $url );
}
/**
* Legacy Flash widget embed code
*
* @param array $options Parameters
*
* @return string Flash embed code
*/
function soundcloud_flash_widget( $options ) {
// Build URL
$url = set_url_scheme( 'https://player.soundcloud.com/player.swf?' . http_build_query( $options['params'] ) );
// Set default width if not defined
$width = isset( $options['width'] ) && $options['width'] !== 0 ? $options['width'] : '100%';
// Set default height if not defined
$height = isset( $options['height'] ) && $options['height'] !== 0 ? $options['height'] : ( soundcloud_url_has_tracklist( $options['url'] ) ? '255' : '81' );
return preg_replace(
'/\s\s+/', '', sprintf(
'<object width="%s" height="%s">
<param name="movie" value="%s" />
<param name="allowscriptaccess" value="always" />
<embed width="%s" height="%s" src="%s" allowscriptaccess="always" type="application/x-shockwave-flash"></embed>
</object>', $width, $height, $url, $width, $height, $url
)
);
}
/**
* SoundCloud Embed Reversal
*
* Converts a generic HTML embed code from SoundClound into a
* WordPress.com-compatibly shortcode.
*
* @param string $content HTML content.
*
* @return string Parsed content.
*/
function jetpack_soundcloud_embed_reversal( $content ) {
if ( ! is_string( $content ) || false === stripos( $content, 'w.soundcloud.com/player' ) ) {
return $content;
}
/* Sample embed code:
<iframe width="100%" height="450" scrolling="no" frameborder="no" src="https://w.soundcloud.com/player/?url=https%3A//api.soundcloud.com/tracks/150745932&auto_play=false&hide_related=false&show_comments=true&show_user=true&show_reposts=false&visual=true"></iframe>
*/
$regexes = array();
$regexes[] = '#<iframe[^>]+?src="((?:https?:)?//w\.soundcloud\.com/player/[^"\']++)"[^>]*+>\s*?</iframe>#i';
$regexes[] = '#<iframe(?:[^&]|&(?!gt;))+?src="((?:https?:)?//w\.soundcloud\.com/player/[^"\']++)"(?:[^&]|&(?!gt;))*+>\s*?</iframe>#i';
foreach ( $regexes as $regex ) {
if ( ! preg_match_all( $regex, $content, $matches, PREG_SET_ORDER ) ) {
continue;
}
foreach ( $matches as $match ) {
// if pasted from the visual editor - prevent double encoding
$match[1] = str_replace( '&amp;', '&', $match[1] );
$args = parse_url( html_entity_decode( $match[1] ), PHP_URL_QUERY );
$args = wp_parse_args( $args );
if ( ! preg_match( '#^(?:https?:)?//api\.soundcloud\.com/.+$#i', $args['url'], $url_matches ) ) {
continue;
}
if ( ! preg_match( '#height="(\d+)"#i', $match[0], $hmatch ) ) {
$height = '';
} else {
$height = ' height="' . intval( $hmatch[1] ) . '"';
}
unset( $args['url'] );
$params = 'params="';
if ( count( $args ) > 0 ) {
foreach ( $args as $key => $value ) {
$params .= esc_html( $key ) . '=' . esc_html( $value ) . '&';
}
$params = substr( $params, 0, -5 );
}
$params .= '"';
$shortcode = '[soundcloud url="' . esc_url( $url_matches[0] ) . '" ' . $params . ' width="100%"' . $height . ' iframe="true" /]';
$replace_regex = sprintf( '#\s*%s\s*#', preg_quote( $match[0], '#' ) );
$content = preg_replace( $replace_regex, sprintf( "\n\n%s\n\n", $shortcode ), $content );
/** This action is documented in modules/shortcodes/youtube.php */
do_action( 'jetpack_embed_to_shortcode', 'soundcloud', $url_matches[0] );
}
}
return $content;
}
add_filter( 'pre_kses', 'jetpack_soundcloud_embed_reversal' );
|