*/
/**
* Transform embed to shortcode on save.
*
* @param string $content Post content.
*/
function flickr_embed_to_shortcode( $content ) {
if ( ! is_string( $content ) || false === stripos( $content, '/www.flickr.com/apps/video/stewart.swf' ) ) {
return $content;
}
$regexp = '%(|>\s*)(?(1)\s*)%';
$regexp_ent = str_replace(
array(
'�*58;',
'[^>]*',
'[^<]*',
),
array(
'�*58;|�*58;',
'[^&]*(?:&(?!gt;)[^&]*)*',
'[^&]*(?:&(?!lt;)[^&]*)*',
),
htmlspecialchars( $regexp, ENT_NOQUOTES )
);
foreach ( compact( 'regexp', 'regexp_ent' ) as $reg => $regexp ) {
if ( ! preg_match_all( $regexp, $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;
}
$flashvars = array();
wp_parse_str( html_entity_decode( $params['flashvars']['value'] ), $flashvars );
if ( ! isset( $flashvars['photo_id'] ) ) {
continue;
}
$photo_id = preg_replace( '#[^A-Za-z0-9_./@+-]+#', '', $flashvars['photo_id'] );
if ( ! strlen( $photo_id ) ) {
continue;
}
$code_atts = array( 'video' => $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'] ) ) {
$photo_secret = preg_replace( '#[^A-Za-z0-9_./@+-]+#', '', $flashvars['photo_secret'] );
if ( strlen( $photo_secret ) ) {
$code_atts['secret'] = $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' );
/**
* Flickr Shortcode handler.
*
* @param array $atts Shortcode attributes.
*/
function flickr_shortcode_handler( $atts ) {
$atts = shortcode_atts(
array(
'video' => 0,
'photo' => 0,
'show_info' => 0,
'w' => 400,
'h' => 300,
'secret' => 0,
),
$atts,
'flickr'
);
if ( ! empty( $atts['video'] ) ) {
$showing = 'video';
$src = $atts['video'];
} elseif ( ! empty( $atts['photo'] ) ) {
$showing = 'photo';
$src = $atts['photo'];
} else {
return '';
}
$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' ), true )
) {
$atts['show_info'] = 'true';
} elseif ( in_array( $atts['show_info'], array( 'false', 'no' ), true ) ) {
$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( '', esc_url( $src ), esc_attr( $atts['h'] ), esc_attr( $atts['w'] ) );
}
return false;
}
/**
* Return HTML markup for a Flickr embed.
*
* @param array $atts Shortcode attributes.
*/
function flickr_shortcode_video_markup( $atts ) {
$atts = array_map( 'esc_attr', $atts );
$photo_vars = "photo_id=$atts[photo_id]";
if ( isset( $atts['secret'] ) ) {
$photo_vars .= "&photo_secret=$atts[secret]";
}
return <<
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' );
/**
* Callback to modify output of embedded Vimeo video using Jetpack's shortcode.
*
* @since 3.9
*
* @param array $matches Regex partial matches against the URL passed.
* @param array $attr Attributes received in embed response.
* @param array $url Requested URL to be embedded.
*
* @return string Return output of Vimeo shortcode with the proper markup.
*/
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 . wp_json_encode( $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 ) );
}