cognitoforms-wordpress/api.php

52 lines
1.7 KiB
PHP

<?php
/**
* Cognito Forms WordPress Plugin.
*
* The Cognito Forms WordPress Plugin is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2, as
* published by the Free Software Foundation.
*
* The Cognito Forms WordPress Plugin is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
// Cognito API access
if ( !class_exists('CognitoAPI') ) {
class CognitoAPI {
public static $formsBase = 'https://www.cognitoforms.com';
// Convert MS GUID to Short GUID
private static function guid_to_short_guid($guid) {
$guid_byte_order = [ 3,2,1,0,5,4,7,6,8,9,10,11,12,13,14,15 ];
$guid = preg_replace( "/[^a-zA-Z0-9]+/", "", $guid );
$hex = "";
for ( $i = 0; $i < 16; $i++ )
$hex .= substr( $guid, 2 * $guid_byte_order[$i], 2 );
$bin = hex2bin( $hex );
$encoded = base64_encode( $bin );
$encoded = str_replace( "/", "_", $encoded );
$encoded = str_replace( "+", "-", $encoded );
$encoded = substr ( $encoded, 0, 22 );
return $encoded;
}
// Builds form embed script
public static function get_form_embed_script( $public_key, $formId ) {
$base = self::$formsBase;
$public_short_guid = self::guid_to_short_guid( $public_key );
return <<< EOF
<script src="{$base}/f/seamless.js" data-key="{$public_short_guid}" data-form="{$formId}"></script>
EOF;
}
}
}
?>