| | |
| | | { |
| | | $charset = strtoupper($charset); |
| | | |
| | | # RFC1642 |
| | | $charset = str_replace('UNICODE-1-1-', '', $charset); |
| | | $charset = preg_replace(array( |
| | | '/^[^0-9A-Z]+/', // e.g. _ISO-8859-JP$SIO |
| | | '/\$.*$/', // e.g. _ISO-8859-JP$SIO |
| | | '/UNICODE-1-1-/', // RFC1642 |
| | | ), '', $charset); |
| | | |
| | | # Aliases: some of them from HTML5 spec. |
| | | $aliases = array( |
| | |
| | | |
| | | |
| | | /** |
| | | * Compose a valid representaion of name and e-mail address |
| | | * Compose a valid representation of name and e-mail address |
| | | * |
| | | * @param string E-mail address |
| | | * @param string Person name |
| | |
| | | if ($name && $name != $email) |
| | | { |
| | | // Special chars as defined by RFC 822 need to in quoted string (or escaped). |
| | | return sprintf('%s <%s>', preg_match('/[\(\)\<\>\\\.\[\]@,;:"]/', $name) ? '"'.addcslashes($name, '"').'"' : $name, $email); |
| | | return sprintf('%s <%s>', preg_match('/[\(\)\<\>\\\.\[\]@,;:"]/', $name) ? '"'.addcslashes($name, '"').'"' : $name, trim($email)); |
| | | } |
| | | else |
| | | return $email; |
| | | return trim($email); |
| | | } |
| | | |
| | | |
| | |
| | | |
| | | |
| | | /** |
| | | * Check if working in SSL mode |
| | | * |
| | | * @param integer HTTPS port number |
| | | * @param boolean Enables 'use_https' option checking |
| | | */ |
| | | function rcube_https_check($port=null, $use_https=true) |
| | | { |
| | | global $RCMAIL; |
| | | |
| | | if (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != 'off') |
| | | return true; |
| | | if ($port && $_SERVER['SERVER_PORT'] == $port) |
| | | return true; |
| | | if ($use_https && $RCMAIL->config->get('use_https')) |
| | | return true; |
| | | |
| | | return false; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * E-mail address validation |
| | | */ |
| | | function check_email($email) |
| | | { |
| | | // Check for invalid characters |
| | | if (preg_match('/[\x00-\x1F\x7F-\xFF]/', $email)) |
| | | return false; |
| | | |
| | | // Check that there's one @ symbol, and that the lengths are right |
| | | if (!preg_match('/^([^@]{1,64})@([^@]{1,255})$/', $email, $email_array)) |
| | | return false; |
| | | |
| | | // Check local part |
| | | $local_array = explode('.', $email_array[1]); |
| | | foreach ($local_array as $local_part) |
| | | if (!preg_match('/^(([A-Za-z0-9!#$%&\'*+\/=?^_`{|}~-]+)|("[^"]+"))$/', $local_part)) |
| | | return false; |
| | | |
| | | // Check domain part |
| | | if (preg_match('/^(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])(\.(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])){3}$/', $email_array[2]) |
| | | || preg_match('/^\[(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])(\.(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])){3}\]$/', $email_array[2])) |
| | | return true; // If an IP address |
| | | else { |
| | | // If not an IP address |
| | | $domain_array = explode('.', $email_array[2]); |
| | | if (sizeof($domain_array) < 2) |
| | | return false; // Not enough parts to be a valid domain |
| | | |
| | | foreach ($domain_array as $domain_part) |
| | | if (!preg_match('/^(([A-Za-z0-9][A-Za-z0-9-]{0,61}[A-Za-z0-9])|([A-Za-z0-9]))$/', $domain_part)) |
| | | return false; |
| | | |
| | | if (!rcmail::get_instance()->config->get('email_dns_check')) |
| | | return true; |
| | | |
| | | if (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN' && version_compare(PHP_VERSION, '5.3.0', '<')) |
| | | return true; |
| | | |
| | | // find MX record(s) |
| | | if (getmxrr($email_array[2], $mx_records)) |
| | | return true; |
| | | |
| | | // find any DNS record |
| | | if (checkdnsrr($email_array[2], 'ANY')) |
| | | return true; |
| | | } |
| | | |
| | | return false; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Helper class to turn relative urls into absolute ones |
| | | * using a predefined base |
| | | */ |