<?php
/**
* Hulu Shortcode
*
* [hulu 369061]
* [hulu id=369061]
* [hulu id=369061 width=512 height=288 start_time="10" end_time="20" thumbnail_frame="10"]
* [hulu http://www.hulu.com/watch/369061]
* [hulu id=gQ6Z0I990IWv_VFQI2J7Eg width=512 height=288]
*
* <object width="512" height="288">
* <param name="movie" value="http://www.hulu.com/embed/gQ6Z0I990IWv_VFQI2J7Eg"></param>
* <param name="allowFullScreen" value="true"></param>
* <embed src="http://www.hulu.com/embed/gQ6Z0I990IWv_VFQI2J7Eg" type="application/x-shockwave-flash" width="512" height="288" allowFullScreen="true"></embed>
* </object>
*/
if ( get_option( 'embed_autourls' ) ) {
// Convert hulu URLS to shortcodes for old comments, saved before comments for shortcodes were enabled
add_filter( 'comment_text', 'jetpack_hulu_link', 1 );
}
add_shortcode( 'hulu', 'jetpack_hulu_shortcode' );
/**
* Return a Hulu video ID from a given set to attributes.
*
* @since 4.5.0
*
* @param array $atts Shortcode parameters.
*
* @return string $id Hulu video ID.
*/
function jetpack_shortcode_get_hulu_id( $atts ) {
// This will catch an id explicitly defined as such, or assume any param without a label is the id. First found is used.
if ( isset( $atts['id'] ) ) {
// First we check to see if [hulu id=369061] or [hulu id=gQ6Z0I990IWv_VFQI2J7Eg] was used
$id = esc_attr( $atts['id'] );
} else if ( isset( $atts[0] ) && preg_match( '|www\.hulu\.com/watch/(\d+)|i', $atts[0], $match ) ) {
// this checks for [hulu http://www.hulu.com/watch/369061]
$id = (int) $match[1];
} else if ( isset( $atts[0] ) ) {
// This checks for [hulu 369061] or [hulu 65yppv6xqa45s5n7_m1wng]
$id = esc_attr( $atts[0] );
} else {
$id = 0;
}
return $id;
}
/**
* Convert a Hulu shortcode into an embed code.
*
* @since 4.5.0
*
* @param array $atts An array of shortcode attributes.
*
* @return string The embed code for the Hulu video.
*/
function jetpack_hulu_shortcode( $atts ) {
global $content_width;
// Set a default content width, if it's not specified.
$attr = shortcode_atts(
array(
'id' => '',
'width' => $content_width ? $content_width : 640,
'start_time' => '',
'end_time' => '',
'thumbnail_frame' => ''
), $atts
);
$id = jetpack_shortcode_get_hulu_id( $atts );
if ( ! $id ) {
return '<!-- Hulu Error: Hulu shortcode syntax invalid. -->';
}
$start_time = 0;
if ( is_numeric( $attr['start_time'] ) ) {
$start_time = intval( $attr['start_time'] );
}
if ( is_numeric( $attr['end_time'] ) && intval( $attr['end_time'] ) > $start_time ) {
$end_time = intval( $attr['end_time'] );
}
if ( is_numeric( $attr['thumbnail_frame'] ) ) {
$thumbnail_frame = intval( $attr['thumbnail_frame'] );
}
// check to see if $id is 76560 else we assume it's gQ6Z0I990IWv_VFQI2J7Eg
// If id is numeric, we'll send it off to the hulu oembed api to get the embed URL (and non-numeric id)
if ( is_numeric( $id ) ) {
$transient_key = "hulu-$id";
if ( false === ( $transient_value = get_transient( $transient_key ) ) ) {
// let's make a cross-site http request out to the hulu oembed api
$response = wp_remote_get( 'http://www.hulu.com/api/oembed.json?url=' . urlencode( 'http://www.hulu.com/watch/' . esc_attr( $id ) ) );
$response_code = wp_remote_retrieve_response_code( $response );
$response_message = wp_remote_retrieve_response_message( $response );
if ( 200 !== $response_code && ! empty( $response_message ) ) {
return "<!-- Hulu Error: Hulu shortcode http error $response_message -->";
} elseif ( 200 !== $response_code ) {
return "<!-- Hulu Error: Hulu shortcode unknown error occurred, $response_code -->";
} else {
$response_body = wp_remote_retrieve_body( $response );
$json = json_decode( $response_body );
// Pull out id from embed url (from oembed API)
$embed_url_params = array();
parse_str( parse_url( $json->embed_url, PHP_URL_QUERY ), $embed_url_params );
if ( isset( $embed_url_params['eid'] ) ) {
$id = $embed_url_params['eid'];
}
// let's cache this response indefinitely.
set_transient( $transient_key, $id );
}
} else {
$id = $transient_value;
}
}
if ( ! $id ) {
return '<!-- Hulu Error: Not a Hulu video. -->';
}
$width = intval( $attr['width'] );
$height = round( ( $width / 640 ) * 360 );
$iframe_url = 'http://www.hulu.com/embed.html';
if ( is_ssl() ) {
$iframe_url = 'https://secure.hulu.com/embed.html';
}
$query_args = array();
$query_args['eid'] = esc_attr( $id );
if ( isset( $start_time ) ) {
$query_args['st'] = intval( $start_time );
}
if ( isset( $end_time ) ) {
$query_args['et'] = intval( $end_time );
}
if ( isset( $thumbnail_frame ) ) {
$query_args['it'] = 'i' . intval( $thumbnail_frame );
}
$iframe_url = add_query_arg( $query_args, $iframe_url );
$html = sprintf(
'<div class="embed-hulu" style="text-align: center;"><iframe src="%s" width="%s" height="%s" style="border:0;" scrolling="no" webkitAllowFullScreen
mozallowfullscreen allowfullscreen></iframe></div>',
esc_url( $iframe_url ),
esc_attr( $width ),
esc_attr( $height )
);
$html = apply_filters( 'video_embed_html', $html );
return $html;
}
/**
* Callback to convert Hulu links in comments into a embed src.
*
* @since 4.5.0
*
* @param array $matches
*
* @return string
*/
function jetpack_hulu_link_callback( $matches ) {
$video_id = $matches[4];
$src = is_ssl()
? 'https://secure.hulu.com'
: 'http://www.hulu.com';
// Make up an embed src to pass to the shortcode reversal function
$attrs['src'] = $src . '/embed.html?eid=' . esc_attr( $video_id );
return wpcom_shortcodereverse_huluhelper( $attrs );
}
/**
* Convert Hulu links in comments into a Hulu shortcode.
*
* @since 4.5.0
*
* @param string $content
*
* @return string
*/
function jetpack_hulu_link( $content ) {
$content = preg_replace_callback( '!^(http(s)?://)?(www\.)?hulu\.com\/watch\/([0-9]+)$!im', 'jetpack_hulu_link_callback', $content );
return $content;
}
/**
* Makes a Hulu shortcode from $attrs and $pattern
*
* @since 4.5.0
*
* @param array $attrs
*
* @return string
*/
function wpcom_shortcodereverse_huluhelper( $attrs ) {
$attrs = wpcom_shortcodereverse_parseattr( $attrs );
$src_attributes = array();
parse_str( parse_url( $attrs['src'], PHP_URL_QUERY ), $src_attributes );
$attrs = array_merge( $attrs, $src_attributes );
// If we don't have an eid, we can't do anything. Just send back the src string.
if ( ! isset( $attrs['eid'] ) ) {
return $attrs['src'];
}
$shortcode = '[hulu id=' . esc_attr( $attrs['eid'] );
if ( $attrs['width'] ) {
$shortcode .= ' width=' . intval( $attrs['width'] );
}
if ( $attrs['height'] ) {
$shortcode .= ' height=' . intval( $attrs['height'] );
}
if ( $attrs['st'] ) {
$shortcode .= ' start_time=' . intval( $attrs['st'] );
}
if ( $attrs['et'] ) {
$shortcode .= ' end_time=' . intval( $attrs['et'] );
}
if ( $attrs['it'] ) {
// the thumbnail frame attribute comes with an i in front of the value, so we've got to remove that
$shortcode .= ' thumbnail_frame=' . intval( ltrim( $attrs['it'], 'i' ) );
}
$shortcode .= ']';
return $shortcode;
}
/**
* Initiates process to convert iframe HTML into a Hulu shortcode.
*
* Example:
* <iframe width="512" height="288" src="http://www.hulu.com/embed.html?eid=nlg_ios3tutcfrhatkiaow&et=20&st=10&it=i11" frameborder="0" scrolling="no" webkitAllowFullScreen mozallowfullscreen allowfullscreen></iframe>
*
* Converts to:
* [hulu id=nlg_ios3tutcfrhatkiaow width=512 height=288 start_time=10 end_time=20 thumbnail_frame=11]
*
* @since 4.5.0
*
* @param array $attrs
*
* @return string
*/
function wpcom_shortcodereverse_huluembed( $attrs ) {
$shortcode = wpcom_shortcodereverse_huluhelper( $attrs );
if ( substr( $shortcode, 0, 1 ) == '[' ) {
/** This action is documented in modules/widgets/social-media-icons.php */
do_action( 'jetpack_bump_stats_extras', 'html_to_shortcode', 'hulu-embed' );
}
return $shortcode;
}
Filter_Embedded_HTML_Objects::register( '#^http://www.hulu.com/embed.html#i', 'wpcom_shortcodereverse_huluembed', true );