<?php
/**
* Plugin Name: Wufoo Shortcode
* Based on https://wordpress.org/plugins/wufoo-shortcode/
*
* Examples:
* [wufoo username="jeherve" formhash="z1x13ltw1m8jtrw" autoresize="true" height="338" header="show"]
*
* @package automattic/jetpack
*/
/**
* Display the Wufoo shortcode.
*
* @param array $atts Shortcode attributes.
*/
function wufoo_shortcode( $atts ) {
$attr = shortcode_atts(
array(
'username' => '',
'formhash' => '',
'autoresize' => true,
'height' => '500',
'header' => 'show',
),
$atts
);
// Check username and formhash to ensure they only have alphanumeric characters or underscores, and aren't empty.
if (
! preg_match( '/^[a-zA-Z0-9_]+$/', $attr['username'] )
|| ! preg_match( '/^[a-zA-Z0-9_]+$/', $attr['formhash'] )
) {
/*
* Return an error to the users with instructions if one of these params is invalid
* They don't have default values because they are user/form-specific
*/
if ( current_user_can( 'edit_posts' ) ) {
return sprintf(
wp_kses(
/* translators: URL to Wufoo support page. */
__( 'Something is wrong with your Wufoo shortcode. Try following the instructions <a href="%s" target="_blank" rel="noopener noreferrer">here</a> to embed a form on your site.', 'jetpack' ),
array(
'a' => array(
'href' => array(),
'target' => array(),
'rel' => array(),
),
)
),
'https://help.wufoo.com/articles/en_US/kb/Embed'
);
}
return;
}
/**
* Placeholder which will tell Wufoo where to render the form.
*/
$js_embed_placeholder = sprintf(
'<div id="wufoo-%s"></div>',
esc_attr( $attr['formhash'] )
);
/**
* Required parameters are present.
* An error will be returned inside the form if they are invalid.
*/
$js_embed = sprintf(
'(function(){try{var wufoo_%1$s = new WufooForm();wufoo_%1$s.initialize({"userName":"%2$s","formHash":"%1$s","autoResize":%3$s,"height":"%4$d","header":"%5$s","ssl":true,"async":true});wufoo_%1$s.display();}catch(e){}})();',
esc_attr( $attr['formhash'] ),
esc_attr( $attr['username'] ),
'true' == $attr['autoresize'] ? 'true' : 'false', // phpcs:ignore Universal.Operators.StrictComparisons.LooseEqual
absint( $attr['height'] ),
'show' === $attr['header'] ? 'show' : 'hide'
);
// Embed URL.
$embed_url = sprintf(
'https://%1$s.wufoo.com/embed/%2$s/',
$attr['username'],
$attr['formhash']
);
// Form URL.
$form_url = sprintf(
'https://%1$s.wufoo.com/forms/%2$s/',
$attr['username'],
$attr['formhash']
);
/*
* iframe embed, loaded inside <noscript> tags.
*/
$iframe_embed = sprintf(
'<iframe height="%1$d" src="%2$s" allowTransparency="true" frameborder="0" scrolling="no" style="width:100%%;border:none;">
<a href="%3$s" target="_blank" rel="noopener noreferrer">%4$s</a>
</iframe>',
absint( $attr['height'] ),
esc_url( $embed_url ),
esc_url( $form_url ),
esc_html__( 'Fill out my Wufoo form!', 'jetpack' )
);
wp_enqueue_script(
'wufoo-form',
'https://www.wufoo.com/scripts/embed/form.js',
array(),
JETPACK__VERSION,
true
);
wp_add_inline_script( 'wufoo-form', $js_embed );
/** This action is already documented in modules/widgets/gravatar-profile.php */
do_action( 'jetpack_stats_extra', 'embeds', 'wufoo' );
/**
* Return embed in JS and iframe.
*/
return "$js_embed_placeholder<noscript>$iframe_embed</noscript>";
}
add_shortcode( 'wufoo', 'wufoo_shortcode' );