| | |
| | | | Author: Thomas Bruederli <roundcube@gmail.com> | |
| | | | Author: Aleksander Machniak <alec@alec.pl> | |
| | | +-----------------------------------------------------------------------+ |
| | | |
| | | $Id$ |
| | | |
| | | */ |
| | | |
| | | |
| | | /** |
| | | * Utility class providing common functions |
| | | * |
| | | * @package Core |
| | | * @package Framework |
| | | * @subpackage Utils |
| | | */ |
| | | class rcube_utils |
| | | { |
| | |
| | | } |
| | | |
| | | $cookie = session_get_cookie_params(); |
| | | $secure = self::https_check(); |
| | | $secure = $cookie['secure'] || self::https_check(); |
| | | |
| | | setcookie($name, $value, $exp, $cookie['path'], $cookie['domain'], $secure, true); |
| | | } |
| | |
| | | |
| | | // from PEAR::Validate |
| | | $regexp = '&^(?: |
| | | ("\s*(?:[^"\f\n\r\t\v\b\s]+\s*)+")| #1 quoted name |
| | | ([-\w!\#\$%\&\'*+~/^`|{}=]+(?:\.[-\w!\#\$%\&\'*+~/^`|{}=]+)*)) #2 OR dot-atom (RFC5322) |
| | | $&xi'; |
| | | ("\s*(?:[^"\f\n\r\t\v\b\s]+\s*)+")| #1 quoted name |
| | | ([-\w!\#\$%\&\'*+~/^`|{}=]+(?:\.[-\w!\#\$%\&\'*+~/^`|{}=]+)*)) #2 OR dot-atom (RFC5322) |
| | | $&xi'; |
| | | |
| | | if (!preg_match($regexp, $local_part)) { |
| | | return false; |
| | | } |
| | | |
| | | // Check domain part |
| | | if (preg_match('/^\[*(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])(\.(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])){3}\]*$/', $domain_part)) { |
| | | return true; // IP address |
| | | // Validate domain part |
| | | if (preg_match('/^\[((IPv6:[0-9a-f:.]+)|([0-9.]+))\]$/i', $domain_part, $matches)) { |
| | | return self::check_ip(preg_replace('/^IPv6:/i', '', $matches[1])); // valid IPv4 or IPv6 address |
| | | } |
| | | else { |
| | | // If not an IP address |
| | |
| | | if (!preg_match('/^(([A-Za-z0-9][A-Za-z0-9-]{0,61}[A-Za-z0-9])|([A-Za-z0-9]))$/', $part)) { |
| | | return false; |
| | | } |
| | | } |
| | | |
| | | // last domain part |
| | | if (preg_match('/[^a-zA-Z]/', array_pop($domain_array))) { |
| | | return false; |
| | | } |
| | | |
| | | $rcube = rcube::get_instance(); |
| | |
| | | return false; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Validates IPv4 or IPv6 address |
| | | * |
| | | * @param string $ip IP address in v4 or v6 format |
| | | * |
| | | * @return bool True if the address is valid |
| | | */ |
| | | public static function check_ip($ip) |
| | | { |
| | | // IPv6, but there's no build-in IPv6 support |
| | | if (strpos($ip, ':') !== false && !defined('AF_INET6')) { |
| | | $parts = explode(':', $domain_part); |
| | | $count = count($parts); |
| | | |
| | | if ($count > 8 || $count < 2) { |
| | | return false; |
| | | } |
| | | |
| | | foreach ($parts as $idx => $part) { |
| | | $length = strlen($part); |
| | | if (!$length) { |
| | | // there can be only one :: |
| | | if ($found_empty) { |
| | | return false; |
| | | } |
| | | $found_empty = true; |
| | | } |
| | | // last part can be an IPv4 address |
| | | else if ($idx == $count - 1) { |
| | | if (!preg_match('/^[0-9a-f]{1,4}$/i', $part)) { |
| | | return @inet_pton($part) !== false; |
| | | } |
| | | } |
| | | else if (!preg_match('/^[0-9a-f]{1,4}$/i', $part)) { |
| | | return false; |
| | | } |
| | | } |
| | | |
| | | return true; |
| | | } |
| | | |
| | | return @inet_pton($ip) !== false; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Check whether the HTTP referer matches the current request |
| | | * |
| | |
| | | public static function check_referer() |
| | | { |
| | | $uri = parse_url($_SERVER['REQUEST_URI']); |
| | | $referer = parse_url(rcube_request_header('Referer')); |
| | | return $referer['host'] == rcube_request_header('Host') && $referer['path'] == $uri['path']; |
| | | $referer = parse_url(self::request_header('Referer')); |
| | | return $referer['host'] == self::request_header('Host') && $referer['path'] == $uri['path']; |
| | | } |
| | | |
| | | |
| | |
| | | static $html_encode_arr = false; |
| | | static $js_rep_table = false; |
| | | static $xml_rep_table = false; |
| | | |
| | | if (!is_string($str)) { |
| | | $str = strval($str); |
| | | } |
| | | |
| | | // encode for HTML output |
| | | if ($enctype == 'html') { |
| | |
| | | } |
| | | |
| | | $out = strtr($str, $encode_arr); |
| | | |
| | | // avoid douple quotation of & |
| | | $out = preg_replace('/&([A-Za-z]{2,6}|#[0-9]{2,4});/', '&\\1;', $out); |
| | | |
| | | return $newlines ? nl2br($out) : $out; |
| | | } |
| | |
| | | { |
| | | // %n - host |
| | | $n = preg_replace('/:\d+$/', '', $_SERVER['SERVER_NAME']); |
| | | // %d - domain name without first part, e.g. %n=mail.domain.tld, %d=domain.tld |
| | | $d = preg_replace('/^[^\.]+\./', '', $n); |
| | | // %t - host name without first part, e.g. %n=mail.domain.tld, %t=domain.tld |
| | | $t = preg_replace('/^[^\.]+\./', '', $n); |
| | | // %d - domain name without first part |
| | | $d = preg_replace('/^[^\.]+\./', '', $_SERVER['HTTP_HOST']); |
| | | // %h - IMAP host |
| | | $h = $_SESSION['storage_host'] ? $_SESSION['storage_host'] : $host; |
| | | // %z - IMAP domain without first part, e.g. %h=imap.domain.tld, %z=domain.tld |
| | |
| | | // %s - domain name after the '@' from e-mail address provided at login screen. Returns FALSE if an invalid email is provided |
| | | if (strpos($name, '%s') !== false) { |
| | | $user_email = self::get_input_value('_user', self::INPUT_POST); |
| | | $user_email = rcube_utils::idn_convert($user_email, true); |
| | | $user_email = self::idn_convert($user_email, true); |
| | | $matches = preg_match('/(.*)@([a-z0-9\.\-\[\]\:]+)/i', $user_email, $s); |
| | | if ($matches < 1 || filter_var($s[1]."@".$s[2], FILTER_VALIDATE_EMAIL) === false) { |
| | | return false; |
| | | } |
| | | } |
| | | |
| | | $name = str_replace(array('%n', '%d', '%h', '%z', '%s'), array($n, $d, $h, $z, $s[2]), $name); |
| | | $name = str_replace(array('%n', '%t', '%d', '%h', '%z', '%s'), array($n, $t, $d, $h, $z, $s[2]), $name); |
| | | return $name; |
| | | } |
| | | |
| | |
| | | } |
| | | } |
| | | |
| | | $result[] = substr($string, $p); |
| | | $result[] = (string) substr($string, $p); |
| | | |
| | | return $result; |
| | | } |