<?php

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/**

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* Plugin Name: Wufoo Shortcode

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* Based on https://wordpress.org/plugins/wufoo-shortcode/

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*

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* Examples:

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* [wufoo username="jeherve" formhash="z1x13ltw1m8jtrw" autoresize="true" height="338" header="show"]

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*

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* @package automattic/jetpack

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*/

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if ( ! defined( 'ABSPATH' ) ) {

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exit( 0 );

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}

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/**

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* Display the Wufoo shortcode.

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*

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* @param array $atts Shortcode attributes.

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*/

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function wufoo_shortcode( $atts ) {

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$attr = shortcode_atts(

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array(

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'username' => '',

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'formhash' => '',

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'autoresize' => true,

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'height' => '500',

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'header' => 'show',

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),

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$atts

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);

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// Check username and formhash to ensure they only have alphanumeric characters or underscores, and aren't empty.

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if (

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! preg_match( '/^[a-zA-Z0-9_]+$/', $attr['username'] )

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|| ! preg_match( '/^[a-zA-Z0-9_]+$/', $attr['formhash'] )

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) {

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/*

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* Return an error to the users with instructions if one of these params is invalid

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* They don't have default values because they are user/form-specific

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*/

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if ( current_user_can( 'edit_posts' ) ) {

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return sprintf(

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wp_kses(

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/* translators: URL to Wufoo support page. */

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__( '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' ),

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array(

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'a' => array(

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'href' => array(),

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'target' => array(),

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'rel' => array(),

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),

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)

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),

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'https://help.wufoo.com/articles/en_US/kb/Embed'

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);

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}

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return;

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}

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/**

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* Placeholder which will tell Wufoo where to render the form.

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*/

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$js_embed_placeholder = sprintf(

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'<div id="wufoo-%s"></div>',

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esc_attr( $attr['formhash'] )

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);

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/**

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* Required parameters are present.

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* An error will be returned inside the form if they are invalid.

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*/

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$js_embed = sprintf(

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'(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){}})();',

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esc_attr( $attr['formhash'] ),

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esc_attr( $attr['username'] ),

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'true' == $attr['autoresize'] ? 'true' : 'false', // phpcs:ignore Universal.Operators.StrictComparisons.LooseEqual

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absint( $attr['height'] ),

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'show' === $attr['header'] ? 'show' : 'hide'

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);

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// Embed URL.

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$embed_url = sprintf(

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'https://%1$s.wufoo.com/embed/%2$s/',

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$attr['username'],

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$attr['formhash']

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);

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// Form URL.

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$form_url = sprintf(

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'https://%1$s.wufoo.com/forms/%2$s/',

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$attr['username'],

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$attr['formhash']

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);

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/*

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* iframe embed, loaded inside <noscript> tags.

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*/

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$iframe_embed = sprintf(

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'<iframe height="%1$d" src="%2$s" allowTransparency="true" frameborder="0" scrolling="no" style="width:100%%;border:none;">

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<a href="%3$s" target="_blank" rel="noopener noreferrer">%4$s</a>

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</iframe>',

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absint( $attr['height'] ),

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esc_url( $embed_url ),

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esc_url( $form_url ),

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esc_html__( 'Fill out my Wufoo form!', 'jetpack' )

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);

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wp_enqueue_script(

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'wufoo-form',

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'https://www.wufoo.com/scripts/embed/form.js',

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array(),

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JETPACK__VERSION,

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true

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);

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wp_add_inline_script( 'wufoo-form', $js_embed );

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/** This action is already documented in modules/widgets/gravatar-profile.php */

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do_action( 'jetpack_stats_extra', 'embeds', 'wufoo' );

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/**

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* Return embed in JS and iframe.

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*/

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return "$js_embed_placeholder<noscript>$iframe_embed</noscript>";

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}

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add_shortcode( 'wufoo', 'wufoo_shortcode' );

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