egroupware/etemplate/inc/class.etemplate_widget_url.inc.php

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<?php
/**
* EGroupware - eTemplate serverside URL widget
*
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package etemplate
* @subpackage api
* @link http://www.egroupware.org
* @author Ralf Becker <RalfBecker@outdoor-training.de>
* @author Nathan Gray
* @copyright 2002-14 by RalfBecker@outdoor-training.de
* @copyright 2012 Nathan Gray
* @version $Id$
*/
/**
* eTemplate URL widget handles URLs, emails & phone numbers
*/
class etemplate_widget_url extends etemplate_widget
{
/**
* Regexes for validating email addresses incl. email in angle-brackets eg.
* + "Ralf Becker <rb@stylite.de>"
* + "Ralf Becker (Stylite AG) <rb@stylite.de>"
* + "<rb@stylite.de>" or "rb@stylite.de"
* + '"Becker, Ralf" <rb@stylite.de>'
* + "'Becker, Ralf' <rb@stylite.de>"
* but NOT:
* - "Becker, Ralf <rb@stylite.de>" (contains comma outside " or ' enclosed block)
* - "Becker < Ralf <rb@stylite.de>" (contains < ----------- " ---------------)
*
* About umlaut or IDN domains: we currently only allow German umlauts in domain part!
*
* Same preg is in et2_widget_url Javascript class, but no \x00 allowed and /u modifier for utf8!
*/
const EMAIL_PREG = "/^(([^\042',<][^,<]+|\042[^\042]+\042|\'[^\']+\'|)\s?<)?[^\x01-\x20()<>@,;:\042\[\]]+@([a-z0-9ÄÖÜäöüß](|[a-z0-9ÄÖÜäöüß_-]*[a-z0-9ÄÖÜäöüß])\.)+[a-z]{2,6}>?$/iu";
/**
* Validate input
*
* Following attributes get checked:
* - needed: value must NOT be empty
* - maxlength: maximum length of string (longer strings get truncated to allowed size)
* - preg: perl regular expression incl. delimiters (set by default for int, float and colorpicker)
* - int and float get casted to their type
*
* @param string $cname current namespace
* @param array $expand values for keys 'c', 'row', 'c_', 'row_', 'cont'
* @param array $content
* @param array &$validated=array() validated content
* @param array $expand=array values for keys 'c', 'row', 'c_', 'row_', 'cont'
*/
public function validate($cname, array $expand, array $content, &$validated=array())
{
$form_name = self::form_name($cname, $this->id, $expand);
if (!$this->is_readonly($cname, $form_name))
{
$value = $value_in = self::get_array($content, $form_name);
if ((string)$value === '' && $this->attrs['needed'])
{
self::set_validation_error($form_name,lang('Field must not be empty !!!'),'');
return;
}
elseif ((string)$value != '' && !isset($this->attrs['preg']))
{
switch($this->type)
{
case 'url':
// if no protocol given eg. "www.egroupware.org" prepend "http://" for validation
if (($missing_protocol = strpos($value, '://') === false))
{
$value = 'http://'.$value;
}
$url_valid = filter_var($value, FILTER_VALIDATE_URL) ||
// Remove intl chars & check again, but if it passes we'll keep the original
filter_var(preg_replace('/[^[:print:]]/','',$value), FILTER_VALIDATE_URL);
//error_log(__METHOD__."() filter_var(value=".array2string($value).", FILTER_VALIDATE_URL)=".array2string(filter_var($value, FILTER_VALIDATE_URL))." --> url_valid=".array2string($url_valid));
// remove http:// validation prefix again
if ($missing_protocol)
{
$value = substr($value, 7);
}
if (!$url_valid)
{
self::set_validation_error($form_name,lang("'%1' has an invalid format !!!",$value),'');
return;
}
break;
case 'url-email':
$this->attrs['preg'] = self::EMAIL_PREG;
break;
}
}
$valid =& self::get_array($validated, $form_name, true);
if ((int) $this->attrs['maxlength'] > 0 && strlen($value) > (int) $this->attrs['maxlength'])
{
$value = substr($value,0,(int) $this->attrs['maxlength']);
}
if ($this->attrs['preg'] && !preg_match($this->attrs['preg'],$value))
{
switch($this->type)
{
default:
//error_log("preg_match('{$this->attrs['preg']}', '$value')=".array2string(preg_match($this->attrs['preg'], $value)));
self::set_validation_error($form_name,lang("'%1' has an invalid format !!!",$value)/*." !preg_match('$this->attrs[preg]', '$value')"*/,'');
break;
}
}
$valid = $value;
//error_log(__METHOD__."() $form_name: ".array2string($value_in).' --> '.array2string($value));
}
}
}
etemplate_widget::registerWidget('etemplate_widget_url', array('url'));