add('name', PLUGIN_IPV6_NAME);
$propbag->add('description', PLUGIN_IPV6_DESC);
$propbag->add('stackable', FALSE);
$propbag->add('author', 'Pascal Uhlmann');
$propbag->add('version', '1.0.0');
$propbag->add('requirements', array(
'serendipity' => '0.8',
'smarty' => '2.6.7',
'php' => '4.1.0'
));
$propbag->add('groups', 'FRONTEND_VIEWS');
$propbag->add('configuration', array('title', 'success_msg', 'error_msg'));
}
function introspect_config_item($name, &$propbag) {
switch ($name) {
case 'title':
$propbag->add('type', 'string');
$propbag->add('name', PLUGIN_IPV6_CONFIG_TITLE);
$propbag->add('description', PLUGIN_IPV6_CONFIG_TITLE_DESC);
$propbag->add('default', $this->title);
break;
case 'success_msg':
$propbag->add('type', 'string');
$propbag->add('name', PLUGIN_IPV6_CONFIG_SUCCESS_MESSAGE);
$propbag->add('description', PLUGIN_IPV6_CONFIG_SUCCESS_MESSAGE_DESC);
$propbag->add('default', '');
break;
case 'error_msg':
$propbag->add('type', 'string');
$propbag->add('name', PLUGIN_IPV6_CONFIG_ERROR_MESSAGE);
$propbag->add('description', PLUGIN_IPV6_CONFIG_ERROR_MESSAGE_DESC);
$propbag->add('default', '');
break;
default:
return FALSE;
}
return TRUE;
}
function generate_content(&$title) {
global $serendipity;
$title = $this->get_config('title', $this->title);
$ip_version = $this->get_ip_version($_SERVER['REMOTE_ADDR']);
if($ip_version !== FALSE) {
$content = sprintf("".$this->get_config('success_msg', PLUGIN_IPV6_CONFIG_SUCCESS_MESSAGE_DEFAULT)."", $ip_version);
}
else {
$content = "".$this->get_config('error_msg', PLUGIN_IPV6_CONFIG_ERROR_MESSAGE_DEFAULT)."";
}
print $content;
}
/**
* Determine the IP version of the given IP address
* @param string $ip Address whose IP version shall be determined
* @return string|bool Can be 'IPv4' or 'IPv6' in case of success or FALSE on error
*/
function get_ip_version($ip) {
// Patterns don't check the IP address for exact validity. But
// in this case the following checks should be sufficient.
$ipv6_patterns = array( // Complete IPv6 address
'([a-f0-9]{1,4}:){7}[a-f0-9]{1,4}',
// IPv6 address with stripped leading zeros
':(:[a-f0-9]{1,4}){1,6}',
// IPv6 address with stripped trailing zeros
'([a-f0-9]{1,4}:){1,6}:',
// IPv6 address with stripped zeros in the middle
'([a-f0-9]{1,4}:){1,6}(:[a-f0-9]{1,4}){1,6}',
// IPv6 address with only zeros
'::'
);
if (preg_match(sprintf('/^%s$/i', implode('|', $ipv6_patterns)), $ip)) {
return 'IPv6';
}
elseif (preg_match('/^(\d{1,3}\.){3}\d{1,3}$/', $ip)) {
return 'IPv4';
}
else {
return FALSE;
}
}
}
/* vim: set sts=4 ts=4 expandtab : */