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| Current File : /home1/savoy/sportsmeet.net/wp-content/plugins/jetpack/modules/shortcodes/mailchimp.php |
<?php //phpcs:ignore WordPress.Files.FileName.InvalidClassFileName
/**
* MailChimp Subscriber Popup Form shortcode
*
* Example:
* [mailchimp_subscriber_popup baseUrl="mc.us11.list-manage.com" uuid="1ca7856462585a934b8674c71" lid="2d24f1898b"]
*
* Embed code example:
* <script type="text/javascript" src="//downloads.mailchimp.com/js/signup-forms/popup/unique-methods/embed.js" data-dojo-config="usePlainJson: true, isDebug: false"></script><script type="text/javascript">window.dojoRequire(["mojo/signup-forms/Loader"], function(L) { L.start({"baseUrl":"mc.us11.list-manage.com","uuid":"1ca7856462585a934b8674c71","lid":"2d24f1898b","uniqueMethods":true}) })</script>
*/
// phpcs:disable Universal.Files.SeparateFunctionsFromOO.Mixed -- TODO: Move classes to appropriately-named class files.
/**
* Register [mailchimp_subscriber_popup] shortcode and add a filter to 'pre_kses' queue to reverse MailChimp embed to shortcode.
*
* @since 4.5.0
*/
function jetpack_mailchimp_subscriber_popup() {
add_shortcode(
'mailchimp_subscriber_popup',
array(
'MailChimp_Subscriber_Popup',
'shortcode',
)
);
add_filter(
'pre_kses',
array(
'MailChimp_Subscriber_Popup',
'reversal',
)
);
}
if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
add_action( 'init', 'jetpack_mailchimp_subscriber_popup' );
} else {
jetpack_mailchimp_subscriber_popup();
}
/**
* Class MailChimp_Subscriber_Popup
*
* @since 4.5.0
*/
class MailChimp_Subscriber_Popup {
/**
* Regular expressions to reverse script tags to shortcodes.
*
* @var array
*/
private static $reversal_regexes = array(
/* raw examplejs */
'/<script type="text\/javascript" src="(https?:)?\/\/downloads\.mailchimp\.com\/js\/signup-forms\/popup\/unique-methods\/embed\.js" data-dojo-config="([^"]*?)"><\/script><script type="text\/javascript">window.dojoRequire\(\["mojo\/signup-forms\/Loader"\]\, function\(L\) { L\.start\({([^}]*?)}\) }\)<\/script>/s', //phpcs:ignore
/* visual editor */
'/<script type="text\/javascript" src="(https?:)?\/\/downloads\.mailchimp\.com\/js\/signup-forms\/popup\/unique-methods\/embed\.js" data-dojo-config="([^"]*?)"><\/script><script type="text\/javascript">window.dojoRequire\(\["mojo\/signup-forms\/Loader"]\, function\(L\) { L\.start\({([^}]*?)}\) }\)<\/script>/s',
);
/**
* Allowed configuration attributes. Used in reversal when checking allowed attributes.
*
* @var array
*/
private static $allowed_config = array(
'usePlainJson' => 'true',
'isDebug' => 'false',
);
/**
* Allowed JS variables. Used in reversal to whitelist variables.
*
* @var array
*/
private static $allowed_js_vars = array(
'baseUrl',
'uuid',
'lid',
);
/**
* Runs the whole reversal.
*
* @since 4.5.0
*
* @param string $content Post Content.
*
* @return string Content with embeds replaced
*/
public static function reversal( $content ) {
// Bail without the js src.
if ( ! is_string( $content ) || false === stripos( $content, 'downloads.mailchimp.com/js/signup-forms/popup/unique-methods/embed.js' ) ) {
return $content;
}
// loop through our rules and find valid embeds.
foreach ( self::$reversal_regexes as $regex ) {
if ( ! preg_match_all( $regex, $content, $matches ) ) {
continue;
}
foreach ( $matches[3] as $index => $js_vars ) {
// the regex rule for a specific embed.
$replace_regex = sprintf( '#\s*%s\s*#', preg_quote( $matches[0][ $index ], '#' ) );
$attrs = json_decode( '{' . $js_vars . '}' );
if ( $matches[2][ $index ] ) {
$config_attrs = json_decode( '{' . $matches[2][ $index ] . '}' );
foreach ( $config_attrs as $key => $value ) {
$attrs->$key = ( 1 === $value ) ? 'true' : 'false';
}
}
$shortcode = self::build_shortcode_from_reversal_attrs( $attrs );
$content = preg_replace( $replace_regex, "\n\n$shortcode\n\n", $content );
/** This action is documented in modules/widgets/social-media-icons.php */
do_action( 'jetpack_bump_stats_extras', 'html_to_shortcode', 'mailchimp_subscriber_popup' );
}
}
return $content;
}
/**
* Builds the actual shortcode based on passed in attributes.
*
* @since 4.5.0
*
* @param array $attrs A valid list of attributes (gets matched against self::$allowed_config and self::$allowed_js_vars).
*
* @return string
*/
private static function build_shortcode_from_reversal_attrs( $attrs ) {
$shortcode = '[mailchimp_subscriber_popup ';
foreach ( $attrs as $key => $value ) {
// skip unsupported keys.
if (
! array_key_exists( $key, self::$allowed_config )
&& ! in_array( $key, self::$allowed_js_vars, true )
) {
continue;
}
$value = esc_attr( $value );
$shortcode .= "$key='$value' ";
}
return trim( $shortcode ) . ']';
}
/**
* Parses the shortcode back out to embedded information.
*
* @since 4.5.0
*
* @param array $lcase_attrs Lowercase shortcode attributes.
*
* @return string
*/
public static function shortcode( $lcase_attrs ) {
static $displayed_once = false;
// Limit to one form per page load.
if ( $displayed_once ) {
return '';
}
if ( empty( $lcase_attrs ) ) {
return '<!-- Missing MailChimp baseUrl, uuid or lid -->';
}
$defaults = array_fill_keys( self::$allowed_js_vars, '' );
$defaults = array_merge( $defaults, self::$allowed_config );
// Convert $attrs back to proper casing since they come through in all lowercase.
$attrs = array();
foreach ( $defaults as $key => $value ) {
if ( array_key_exists( strtolower( $key ), $lcase_attrs ) ) {
$attrs[ $key ] = $lcase_attrs[ strtolower( $key ) ];
}
}
$attrs = array_map( 'esc_js', array_filter( shortcode_atts( $defaults, $attrs ) ) );
// Split config & js vars.
$js_vars = array();
$config_vars = array();
foreach ( $attrs as $key => $value ) {
if (
'baseUrl' === $key
&& (
! preg_match( '#mc\.us\d+\.list-manage\d?\.com#', $value, $matches )
|| $value !== $matches[0]
)
) {
return '<!-- Invalid MailChimp baseUrl -->';
}
if ( in_array( $key, self::$allowed_js_vars, true ) ) {
$js_vars[ $key ] = $value;
} else {
$config_vars[] = "$key: $value";
}
}
// If one of these parameters is missing we can't render the form so exist.
if ( empty( $js_vars['baseUrl'] ) || empty( $js_vars['uuid'] ) || empty( $js_vars['lid'] ) ) {
return '<!-- Missing MailChimp baseUrl, uuid or lid -->';
}
// Add a uniqueMethods parameter if it is missing from the data we got from the embed code.
$js_vars['uniqueMethods'] = true;
/** This action is already documented in modules/widgets/gravatar-profile.php */
do_action( 'jetpack_stats_extra', 'mailchimp_subscriber_popup', 'view' );
$displayed_once = true;
return "\n\n" . '<script type="text/javascript" data-dojo-config="' . esc_attr( implode( ', ', $config_vars ) ) . '">jQuery.getScript( "//downloads.mailchimp.com/js/signup-forms/popup/unique-methods/embed.js", function( data, textStatus, jqxhr ) { window.dojoRequire(["mojo/signup-forms/Loader"], function(L) { L.start(' . wp_json_encode( $js_vars ) . ') });} );</script>' . "\n\n";
}
}