*
* @package automattic/jetpack
*/
if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
add_action( 'init', 'jetpack_getty_enable_embeds' );
} else {
jetpack_getty_enable_embeds();
}
/**
* Register Getty as oembed provider. Add filter to reverse iframes to shortcode. Register [getty] shortcode.
*
* @since 4.5.0
* @since 5.8.0 removed string parameter.
*/
function jetpack_getty_enable_embeds() {
// Support their oEmbed Endpoint.
wp_oembed_add_provider( '#https?://www\.gettyimages\.com/detail/.*#i', 'https://embed.gettyimages.com/oembed/', true );
wp_oembed_add_provider( '#https?://(www\.)?gty\.im/.*#i', 'https://embed.gettyimages.com/oembed/', true );
// Allow iframes to be filtered to short code (so direct copy+paste can be done).
add_filter( 'pre_kses', 'wpcom_shortcodereverse_getty' );
// Actually display the Getty Embed.
add_shortcode( 'getty', 'jetpack_getty_shortcode' );
}
/**
* Filters the oEmbed provider URL for Getty URLs to include site URL host as
* caller if available, falling back to "wordpress.com". Must be applied at
* time of embed in case that `init` is too early (WP.com REST API).
*
* @module shortcodes
*
* @since 5.8.0
*
* @see WP_oEmbed::fetch
*
* @return string oEmbed provider URL
*/
add_filter( 'oembed_fetch_url', 'getty_add_oembed_endpoint_caller' );
/**
* Filter the embeds to add a caller parameter.
*
* @param string $provider URL of the oEmbed provider.
*/
function getty_add_oembed_endpoint_caller( $provider ) {
// By time filter is called, original provider URL has had url, maxwidth,
// maxheight query parameters added.
if ( ! str_starts_with( $provider, 'https://embed.gettyimages.com/oembed/' ) ) {
return $provider;
}
// Set the caller argument to pass to Getty's oembed provider.
if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
// Only include caller for non-private sites.
if ( ! function_exists( 'is_private_blog' ) || ! is_private_blog() ) {
$host = wp_parse_url( get_bloginfo( 'url' ), PHP_URL_HOST );
}
// Fall back to WordPress.com.
if ( empty( $host ) ) {
$host = 'wordpress.com';
}
} else {
$host = wp_parse_url( get_home_url(), PHP_URL_HOST );
}
return add_query_arg( 'caller', $host, $provider );
}
/**
* Compose shortcode based on Getty iframes.
*
* @since 4.5.0
*
* @param string $content Post content.
*
* @return mixed
*/
function wpcom_shortcodereverse_getty( $content ) {
if ( ! is_string( $content ) || false === stripos( $content, '.gettyimages.com/' ) ) {
return $content;
}
$regexp = '!!i';
$regexp_ent = str_replace( '�*58;', '�*58;|�*58;', htmlspecialchars( $regexp, ENT_NOQUOTES ) );
// Markup pattern for 2017 embed syntax with significant differences from the prior pattern.
$regexp_2017 = '!!';
$regexp_2017_ent = str_replace( '�*58;', '�*58;|�*58;', htmlspecialchars( $regexp_2017, ENT_NOQUOTES ) );
foreach ( compact( 'regexp_2017', 'regexp_2017_ent', 'regexp', 'regexp_ent' ) as $reg => $regexp ) {
if ( ! preg_match_all( $regexp, $content, $matches, PREG_SET_ORDER ) ) {
continue;
}
foreach ( $matches as $match ) {
if ( 'regexp_2017' === $reg || 'regexp_2017_ent' === $reg ) {
// Extract individual keys from the matched JavaScript object.
$params = $match[2];
if ( ! preg_match_all( '!(?P\w+)\s*:\s*([\'"](?P[^\'"]*?)(px)?[\'"])!', $params, $key_matches, PREG_SET_ORDER ) ) {
continue;
}
foreach ( $key_matches as $key_match ) {
switch ( $key_match['key'] ) {
case 'items':
$ids = $key_match['value'];
break;
case 'w':
$width = (int) $key_match['value'];
break;
case 'h':
$height = (int) $key_match['value'];
break;
case 'tld':
$tld = $key_match['value'];
break;
}
}
} else {
$params = $match[5];
if ( 'regexp_ent' === $reg ) {
$params = html_entity_decode( $params, ENT_QUOTES | ENT_SUBSTITUTE | ENT_HTML401 );
}
$params = wp_kses_hair( $params, array( 'http' ) );
$ids = esc_html( $match[3] );
$width = isset( $params['width'] ) ? (int) $params['width']['value'] : 0;
$height = isset( $params['height'] ) ? (int) $params['height']['value'] : 0;
}
if ( empty( $ids ) ) {
continue;
}
$shortcode = '[getty src="' . esc_attr( $ids ) . '"';
if ( ! empty( $width ) ) {
$shortcode .= ' width="' . esc_attr( $width ) . '"';
}
if ( ! empty( $height ) ) {
$shortcode .= ' height="' . esc_attr( $height ) . '"';
}
/*
* While it does not appear to have any practical impact, Getty has
* requested that we include TLD in the embed request
*/
if ( ! empty( $tld ) ) {
$shortcode .= ' tld="' . esc_attr( $tld ) . '"';
}
$shortcode .= ']';
$content = str_replace( $match[0], $shortcode, $content );
}
}
// strip out enclosing div and any other markup.
$regexp = '%