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Ben Goldsworthy 2017-01-12 23:10:07 +00:00
commit 28e6ddf404
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plugins/jetpack/modules/shortcodes/flickr.php Normal file
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<?php
/*
Flickr Short Code
Author: kellan
License: BSD/GPL/public domain (take your pick)
[flickr video=http://www.flickr.com/photos/chaddles/2402990826]
[flickr video=2402990826]
[flickr video=2402990826 show_info=no]
[flickr video=2402990826 w=200 h=150]
[flickr video=2402990826 secret=846d9c1b39]
*/
/*
* <object type="application/x-shockwave-flash" width="400" height="300" data="http://www.flickr.com/apps/video/stewart.swf?v=71377" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"> <param name="flashvars" value="intl_lang=en-us&photo_secret=846d9c1be9&photo_id=2345938910"></param> <param name="movie" value="http://www.flickr.com/apps/video/stewart.swf?v=71377"></param> <param name="bgcolor" value="#000000"></param> <param name="allowFullScreen" value="true"></param><embed type="application/x-shockwave-flash" src="http://www.flickr.com/apps/video/stewart.swf?v=71377" bgcolor="#000000" allowfullscreen="true" flashvars="intl_lang=en-us&photo_secret=846d9c1be9&photo_id=2345938910" height="300" width="400"></embed></object>
*/
function flickr_embed_to_shortcode( $content ) {
if ( false === stripos( $content, '/www.flickr.com/apps/video/stewart.swf' ) ) {
return $content;
}
$regexp = '%(<object.*?(?:<(?!/?(?:object|embed)\s+).*?)*?)?<embed((?:\s+\w+="[^"]*")*)\s+src="http(?:\:|&#0*58;)//www.flickr.com/apps/video/stewart.swf[^"]*"((?:\s+\w+="[^"]*")*)\s*(?:/>|>\s*</embed>)(?(1)\s*</object>)%';
$regexp_ent = str_replace(
array(
'&amp;#0*58;',
'[^&gt;]*',
'[^&lt;]*',
),
array(
'&amp;#0*58;|&#0*58;',
'[^&]*(?:&(?!gt;)[^&]*)*',
'[^&]*(?:&(?!lt;)[^&]*)*',
),
htmlspecialchars( $regexp, ENT_NOQUOTES )
);
foreach ( array( 'regexp', 'regexp_ent' ) as $reg ) {
if ( ! preg_match_all( $$reg, $content, $matches, PREG_SET_ORDER ) ) {
continue;
}
foreach ( $matches as $match ) {
$params = $match[2] . $match[3];
if ( 'regexp_ent' == $reg ) {
$params = html_entity_decode( $params );
}
$params = wp_kses_hair( $params, array( 'http' ) );
if ( ! isset( $params['type'] ) || 'application/x-shockwave-flash' != $params['type']['value'] || ! isset( $params['flashvars'] ) ) {
continue;
}
wp_parse_str( html_entity_decode( $params['flashvars']['value'] ), $flashvars );
if ( ! isset( $flashvars['photo_id'] ) ) {
continue;
}
$code_atts = array( 'video' => $flashvars['photo_id'], );
if ( isset( $flashvars['flickr_show_info_box'] ) && 'true' == $flashvars['flickr_show_info_box'] ) {
$code_atts['show_info'] = 'true';
}
if ( ! empty( $flashvars['photo_secret'] ) ) {
$code_atts['secret'] = $flashvars['photo_secret'];
}
if ( ! empty( $params['width']['value'] ) ) {
$code_atts['w'] = (int) $params['width']['value'];
}
if ( ! empty( $params['height']['value'] ) ) {
$code_atts['h'] = (int) $params['height']['value'];
}
$code = '[flickr';
foreach ( $code_atts as $k => $v ) {
$code .= " $k=$v";
}
$code .= ']';
$content = str_replace( $match[0], $code, $content );
/** This action is documented in modules/shortcodes/youtube.php */
do_action( 'jetpack_embed_to_shortcode', 'flickr_video', $flashvars['photo_id'] );
}
}
return $content;
}
add_filter( 'pre_kses', 'flickr_embed_to_shortcode' );
function flickr_shortcode_handler( $atts ) {
$atts = shortcode_atts(
array(
'video' => 0,
'photo' => 0,
'show_info' => 0,
'w' => 400,
'h' => 300,
'secret' => 0,
'size' => 0,
), $atts, 'flickr'
);
if ( ! empty( $atts['video'] ) ) {
$showing = 'video';
$src = $atts['video'];
} elseif ( ! empty( $atts['photo'] ) ) {
$showing = 'photo';
$src = $atts['photo'];
} else {
return '';
}
if ( is_ssl() ) {
$src = str_replace( 'http://', 'https://', $src );
}
if ( 'video' === $showing ) {
if ( ! is_numeric( $src ) && ! preg_match( '~^(https?:)?//([\da-z\-]+\.)*?((static)?flickr\.com|flic\.kr)/.*~i', $src ) ) {
return '';
}
if ( preg_match( '!photos/(([0-9a-zA-Z-_]+)|([0-9]+@N[0-9]+))/([0-9]+)/?$!', $src, $m ) ) {
$atts['photo_id'] = $m[4];
} else {
$atts['photo_id'] = $atts['video'];
}
if ( ! isset( $atts['show_info'] ) || in_array( $atts['show_info'], array( 'yes', 'true' ) ) ) {
$atts['show_info'] = 'true';
} elseif ( in_array( $atts['show_info'], array( 'false', 'no' ) ) ) {
$atts['show_info'] = 'false';
}
if ( isset( $atts['secret'] ) ) {
$atts['secret'] = preg_replace( '![^\w]+!i', '', $atts['secret'] );
}
return flickr_shortcode_video_markup( $atts );
} elseif ( 'photo' == $showing ) {
if ( ! preg_match( '~^(https?:)?//([\da-z\-]+\.)*?((static)?flickr\.com|flic\.kr)/.*~i', $src ) ) {
return '';
}
$src = sprintf( '%s/player/', untrailingslashit( $src ) );
return sprintf( '<iframe src="%s" height="%s" width="%s" frameborder="0" allowfullscreen webkitallowfullscreen mozallowfullscreen oallowfullscreen msallowfullscreen></iframe>', esc_url( $src ), esc_attr( $atts['h'] ), esc_attr( $atts['w'] ) );
}
return false;
}
function flickr_shortcode_video_markup( $atts ) {
$atts = array_map( 'esc_attr', $atts );
$http = ( is_ssl() ) ? 'https://' : 'http://';
$photo_vars = "photo_id=$atts[photo_id]";
if ( isset( $atts['secret'] ) ) {
$photo_vars .= "&amp;photo_secret=$atts[secret]";
}
return <<<EOD
<object type="application/x-shockwave-flash" width="$atts[w]" height="$atts[h]" data="{$http}www.flickr.com/apps/video/stewart.swf?v=1.161" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"> <param name="flashvars" value="$photo_vars&amp;flickr_show_info_box=$atts[show_info]"></param><param name="movie" value="{$http}www.flickr.com/apps/video/stewart.swf?v=1.161"></param><param name="bgcolor" value="#000000"></param><param name="allowFullScreen" value="true"></param><param name="wmode" value="opaque"></param><embed type="application/x-shockwave-flash" src="{$http}www.flickr.com/apps/video/stewart.swf?v=1.161" bgcolor="#000000" allowfullscreen="true" flashvars="$photo_vars&amp;flickr_show_info_box=$atts[show_info]" wmode="opaque" height="$atts[h]" width="$atts[w]"></embed></object>
EOD;
}
add_shortcode( 'flickr', 'flickr_shortcode_handler' );
// Override core's Flickr support because Flickr oEmbed doesn't support web embeds
wp_embed_register_handler( 'flickr', '#https?://(www\.)?flickr\.com/.*#i', 'jetpack_flickr_oembed_handler' );
function jetpack_flickr_oembed_handler( $matches, $attr, $url ) {
// Legacy slideshow embeds end with /show/
// e.g. http://www.flickr.com/photos/yarnaholic/sets/72157615194738969/show/
if ( '/show/' !== substr( $url, -strlen( '/show/' ) ) ) {
// These lookups need cached, as they don't use WP_Embed (which caches)
$cache_key = md5( $url . serialize( $attr ) );
$cache_group = 'oembed_flickr';
$html = wp_cache_get( $cache_key, $cache_group );
if ( false === $html ) {
$html = _wp_oembed_get_object()->get_html( $url, $attr );
wp_cache_set( $cache_key, $html, $cache_group, 60 * MINUTE_IN_SECONDS );
}
return $html;
}
return flickr_shortcode_handler( array( 'photo' => $url ) );
}