3 +--------------------------------------------------------------------+
4 | CiviCRM version 4.6 |
5 +--------------------------------------------------------------------+
6 | Copyright CiviCRM LLC (c) 2004-2014 |
7 +--------------------------------------------------------------------+
8 | This file is a part of CiviCRM. |
10 | CiviCRM is free software; you can copy, modify, and distribute it |
11 | under the terms of the GNU Affero General Public License |
12 | Version 3, 19 November 2007 and the CiviCRM Licensing Exception. |
14 | CiviCRM is distributed in the hope that it will be useful, but |
15 | WITHOUT ANY WARRANTY; without even the implied warranty of |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
17 | See the GNU Affero General Public License for more details. |
19 | You should have received a copy of the GNU Affero General Public |
20 | License and the CiviCRM Licensing Exception along |
21 | with this program; if not, contact CiviCRM LLC |
22 | at info[AT]civicrm[DOT]org. If you have questions about the |
23 | GNU Affero General Public License or the licensing of CiviCRM, |
24 | see the CiviCRM license FAQ at http://civicrm.org/licensing |
25 +--------------------------------------------------------------------+
31 * @copyright CiviCRM LLC
37 * Generate a secure signature
40 * {crmSigner var=mySig extra=123}
41 * var urlParams = ts={$mySig.ts}&extra={$mySig.extra}&sig={$mySig.signature}
44 * @param $params array with keys:
45 * - var: string, a smarty variable to generate
46 * - ts: int, the current time (if omitted, autogenerated)
47 * - any other vars are put into the signature (sorted)
49 function smarty_function_crmSigner($params, &$smarty) {
50 $var = $params['var'];
51 unset($params['var']);
52 $params['ts'] = CRM_Utils_Time
::getTimeRaw();
54 $fields = array_keys($params);
57 $signer = new CRM_Utils_Signer(CRM_Core_Key
::privateKey(), $fields);
58 $params['signature'] = $signer->sign($params);
59 $smarty->assign($var, $params);