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<?php //phpcs:ignore WordPress.Files.FileName.InvalidClassFileName
use Automattic\Jetpack\Assets;
/**
* Brightcove shortcode.
*
* Brighcove had renovated their video player embedding code since they introduced their "new studio".
* See https://support.brightcove.com/en/video-cloud/docs.
* The new code is not 100% backward compatible, as long as a customized player is used.
* By the time I wrote this, there were about 150000+ posts embedded legacy players, so it would be a bad
* idea either to introduce a new brightcove shortcode, or to break those posts completely.
*
* That's why we introduce a less aggressive way: leaving the old embedding code untouched, and
* introduce a new set of shortcode parameters which are translated to the latest Brightcove embedding code.
*
* e.g.
* [brightcove video_id="12345" account_id="99999"] will be translated to the latest embedding code.
* [brightcove exp=627045696&vid=1415670151] or [brightcove exp=1463233149&vref=1601200825] will be translated
* to the legacy code.
*/
class Jetpack_Brightcove_Shortcode {
/**
* Shortcode name.
*
* @var string
*/
public static $shortcode = 'brightcove';
/**
* Parse shortcode arguments and render its output.
*
* @since 4.5.0
*
* @param array $atts Shortcode parameters.
*
* @return string
*/
public static function convert( $atts ) {
$normalized_atts = self::normalize_attributes( $atts );
if ( empty( $atts ) ) {
return '<!-- Missing Brightcove parameters -->';
}
return self::has_legacy_atts( $normalized_atts )
? self::convert_to_legacy_studio( $normalized_atts )
: self::convert_to_new_studio( $normalized_atts );
}
/**
* We need to take care of two kinds of shortcode format here.
* The latest: [shortcode a=1 b=2] and the legacy: [shortcode a=1&b=2]
* For an old shortcode: [shortcode a=1&b=2&c=3], it would be parsed into array( 'a' => 1&b=2&c=3' ), which is useless.
* However, since we want to determine whether to call convert_to_legacy_studio() or convert_to_new_studio() via passed parameters, we still need to parse the two properly.
* See https://jetpack.wp-a2z.org/oik_api/shortcode_new_to_old_params/
*
* @since 4.5.0
*
* @param array $atts Shortcode parameters.
*
* @return array
*/
public static function normalize_attributes( $atts ) {
if ( is_array( $atts ) && 1 === count( $atts ) ) { // this is the case we need to take care of.
$parsed_atts = array();
$params = shortcode_new_to_old_params( $atts );
/**
* Filter the Brightcove shortcode parameters.
*
* @module shortcodes
*
* @since 4.5.0
*
* @param string $params String of shortcode parameters.
*/
$params = apply_filters( 'brightcove_dimensions', $params );
parse_str( $params, $parsed_atts );
return $parsed_atts;
} else {
return $atts;
}
}
/**
* Check that it has legacy attributes.
*
* @since 4.5.0
*
* @param array $atts Shortcode parameters.
*
* @return bool
*/
public static function has_legacy_atts( $atts ) {
return ( isset( $atts['vid'] ) || isset( $atts['vref'] ) )
&& ( isset( $atts['exp'] ) || isset( $atts['exp3'] ) );
}
/**
* Convert to latest player format.
*
* @since 4.5.0
*
* @param array $atts Shortcode parameters.
*
* @return string
*/
public static function convert_to_new_studio( $atts ) {
$defaults = array(
'account_id' => '',
'video_id' => '',
'player_id' => 'default',
'width' => '100%',
'height' => '100%',
);
$atts_applied = shortcode_atts( $defaults, $atts, self::$shortcode );
$player_url = sprintf(
'//players.brightcove.net/%s/%s_default/index.html?videoId=%s',
esc_attr( $atts_applied['account_id'] ),
esc_attr( $atts_applied['player_id'] ),
esc_attr( $atts_applied['video_id'] )
);
$output_html = sprintf(
'<iframe src="' . esc_url( $player_url ) . '" allowfullscreen webkitallowfullscreen mozallowfullscreen style="width: %spx; height: %spx;"></iframe>',
esc_attr( $atts_applied['width'] ),
esc_attr( $atts_applied['height'] )
);
return $output_html;
}
/**
* Convert to legacy player format.
*
* [brightcove exp=627045696&vid=1415670151] for the older player and backward compatibility
* [brightcove exp=1463233149&vref=1601200825] for the new player
*
* @since 4.5.0
*
* @param array $atts Shortcode parameters.
*
* @return string
*/
public static function convert_to_legacy_studio( $atts ) {
$attr = shortcode_atts(
array(
'bg' => '',
'exp' => '',
'exp3' => '',
'h' => '',
'lbu' => '',
'pk' => '',
'pubid' => '',
's' => '',
'surl' => '',
'vid' => '',
'vref' => '',
'w' => '',
),
$atts
);
if ( isset( $attr['pk'] ) ) {
$attr['pk'] = rawurlencode( preg_replace( '/[^a-zA-Z0-9!*\'();:@&=+$,\/?#\[\]\-_.~ ]/', '', $attr['pk'] ) );
}
if ( isset( $attr['bg'] ) ) {
$attr['bg'] = preg_replace( '![^-a-zA-Z0-9#]!', '', $attr['bg'] );
}
$fv = array(
'viewerSecureGatewayURL' => 'https://services.brightcove.com/services/amfgateway',
'servicesURL' => 'http://services.brightcove.com/services',
'cdnURL' => 'http://admin.brightcove.com',
'autoStart' => 'false',
);
$js_tld = 'com';
$src = '';
$name = 'flashObj';
$html5 = false;
if ( isset( $attr['exp3'] ) ) {
if ( isset( $attr['surl'] ) && strpos( $attr['surl'], 'brightcove.co.jp' ) ) {
$js_tld = 'co.jp';
}
if ( ! isset( $attr['surl'] ) || ! preg_match( '#^https?://(?:[a-z\d-]+\.)*brightcove\.(?:com|co\.jp)/#', $attr['surl'] ) ) {
$attr['surl'] = 'http://c.brightcove.com/services';
}
$attr['exp3'] = (int) $attr['exp3'];
$attr['pubid'] = (int) $attr['pubid'];
$attr['vid'] = (int) $attr['vid'];
$fv['servicesURL'] = $attr['surl'];
$fv['playerID'] = $attr['exp3'];
$fv['domain'] = 'embed';
$fv['videoID'] = (int) $attr['vid'];
$src = sprintf(
'%s/viewer/federated_f9/%s?isVid=1&isUI=1&publisherID=%s',
$attr['surl'],
$attr['exp3'],
$attr['pubid']
);
$html5 = true;
} elseif ( isset( $attr['exp'] ) ) {
$attr['exp'] = (int) $attr['exp'];
$src = 'http://services.brightcove.com/services/viewer/federated_f8/' . $attr['exp'];
if ( $attr['vid'] ) {
$fv['videoId'] = $attr['vid'];
} elseif ( $attr['vref'] ) {
$fv['videoRef'] = $attr['vref'];
}
$fv['playerId'] = $attr['exp'];
$fv['domain'] = 'embed';
} else {
return '<small>brightcove error: missing required parameter exp or exp3</small>';
}
if ( ! empty( $attr['lbu'] ) ) {
$fv['linkBaseURL'] = $attr['lbu'];
}
$flashvars = trim( add_query_arg( array_map( 'urlencode', $fv ), '' ), '?' );
$width = null;
$height = null;
if ( ! empty( $attr['w'] ) && ! empty( $attr['h'] ) ) {
$w = abs( (int) $attr['w'] );
$h = abs( (int) $attr['h'] );
if ( $w && $h ) {
$width = $w;
$height = $h;
}
} elseif ( empty( $attr['s'] ) || 'l' === $attr['s'] ) {
$width = '480';
$height = '360';
}
if ( empty( $width ) || empty( $height ) ) {
$width = '280';
$height = '210';
}
if ( $html5 ) {
wp_enqueue_script(
'brightcove-loader',
Assets::get_file_url_for_environment( '_inc/build/shortcodes/js/brightcove.min.js', 'modules/shortcodes/js/brightcove.js' ),
array( 'jquery' ),
20121127,
false
);
wp_localize_script(
'brightcove-loader',
'brightcoveData',
array(
'tld' => esc_js( $js_tld ),
)
);
return '
<object id="myExperience" class="BrightcoveExperience">
<param name="bgcolor" value="' . esc_attr( $attr['bg'] ) . '" />
<param name="width" value="' . esc_attr( $width ) . '" />
<param name="height" value="' . esc_attr( $height ) . '" />
<param name="playerID" value="' . esc_attr( $attr['exp3'] ) . '" />
<param name="@videoPlayer" value="' . esc_attr( $attr['vid'] ) . '" />
<param name="playerKey" value="' . esc_attr( $attr['pk'] ) . '" />
<param name="isVid" value="1" />
<param name="isUI" value="1" />
<param name="dynamicStreaming" value="true" />
<param name="autoStart" value="false" />
<param name="secureConnections" value="true" />
<param name="secureHTMLConnections" value="true" />
</object>';
}
return sprintf(
'<embed src="%s" bgcolor="#FFFFFF" flashvars="%s" base="http://admin.brightcove.com" name="%s" width="%s" height="%s" allowFullScreen="true" seamlesstabbing="false" type="application/x-shockwave-flash" swLiveConnect="true" pluginspage="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash" />',
esc_url( $src ),
$flashvars,
esc_attr( $name ),
esc_attr( $width ),
esc_attr( $height )
);
}
}
add_shortcode( Jetpack_Brightcove_Shortcode::$shortcode, array( 'Jetpack_Brightcove_Shortcode', 'convert' ) );