From 70318e5463986edff014e881e7e121483679726b Mon Sep 17 00:00:00 2001 From: alecpl <alec@alec.pl> Date: Thu, 01 Apr 2010 09:42:39 -0400 Subject: [PATCH] - create rcube_mime_struct class on Iloha's MIME (mime.inc) basis --- program/include/main.inc | 211 +++++++++++++++++++++++++++++++++++++++++++++++----- 1 files changed, 190 insertions(+), 21 deletions(-) diff --git a/program/include/main.inc b/program/include/main.inc index e968400..3aee7b4 100644 --- a/program/include/main.inc +++ b/program/include/main.inc @@ -69,7 +69,7 @@ */ function get_sequence_name($sequence) { - // return table name if configured + // return sequence name if configured $config_key = 'db_sequence_'.$sequence; $opt = rcmail::get_instance()->config->get($config_key); @@ -170,6 +170,18 @@ /** + * Catch an error and throw an exception. + * + * @param int Level of the error + * @param string Error message + */ +function rcube_error_handler($errno, $errstr) + { + throw new ErrorException($errstr, 0, $errno); + } + + +/** * Convert a string from one charset to another. * Uses mbstring and iconv functions if possible * @@ -180,6 +192,7 @@ */ function rcube_charset_convert($str, $from, $to=NULL) { + static $iconv_options = null; static $mbstring_loaded = null; static $mbstring_list = null; static $convert_warning = false; @@ -187,7 +200,7 @@ $error = false; - $to = empty($to) ? $to = strtoupper(RCMAIL_CHARSET) : rcube_parse_charset($to); + $to = empty($to) ? strtoupper(RCMAIL_CHARSET) : rcube_parse_charset($to); $from = rcube_parse_charset($from); if ($from == $to || empty($str) || empty($from)) @@ -195,20 +208,37 @@ // convert charset using iconv module if (function_exists('iconv') && $from != 'UTF-7' && $to != 'UTF-7') { - $_iconv = iconv($from, $to . '//IGNORE', $str); + if ($iconv_options === null) { + // ignore characters not available in output charset + $iconv_options = '//IGNORE'; + if (iconv('', $iconv_options, '') === false) { + // iconv implementation does not support options + $iconv_options = ''; + } + } + + // throw an exception if iconv reports an illegal character in input + // it means that input string has been truncated + set_error_handler('rcube_error_handler', E_NOTICE); + try { + $_iconv = iconv($from, $to . $iconv_options, $str); + } catch (ErrorException $e) { + $_iconv = false; + } + restore_error_handler(); if ($_iconv !== false) { - return $_iconv; + return $_iconv; } } - if (is_null($mbstring_loaded)) + if ($mbstring_loaded === null) $mbstring_loaded = extension_loaded('mbstring'); // convert charset using mbstring module if ($mbstring_loaded) { $aliases['WINDOWS-1257'] = 'ISO-8859-13'; - if (is_null($mbstring_list)) { + if ($mbstring_list === null) { $mbstring_list = mb_list_encodings(); $mbstring_list = array_map('strtoupper', $mbstring_list); } @@ -300,8 +330,11 @@ { $charset = strtoupper($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-*/', // RFC1641/1642 + ), '', $charset); # Aliases: some of them from HTML5 spec. $aliases = array( @@ -319,15 +352,25 @@ 'TIS620' => 'WINDOWS-874', 'ISO88599' => 'WINDOWS-1254', 'ISO885911' => 'WINDOWS-874', + 'MACROMAN' => 'MACINTOSH', + '238' => 'WINDOWS-1250', + '178' => 'WINDOWS-1256', + '177' => 'WINDOWS-1255', + '204' => 'WINDOWS-1251', + '161' => 'WINDOWS-1253', + '222' => 'WINDOWS-874', + '134' => 'GBK', + '238' => 'WINDOWS-1250', + '128' => 'SHIFT-JIS' ); // allow a-z and 0-9 only and remove X- prefix (e.g. X-ROMAN8 => ROMAN8) - $str = preg_replace(array('/[^a-z0-9]/i', '/^x+/i'), '', $charset); + $str = preg_replace(array('/[^A-Z0-9]/', '/^X+/'), '', $charset); if (isset($aliases[$str])) return $aliases[$str]; - if (preg_match('/UTF(7|8|16|32)(BE|LE)*/', $str, $m)) + if (preg_match('/U[A-Z][A-Z](7|8|16|32)(BE|LE)*/', $str, $m)) return 'UTF-' . $m[1] . $m[2]; if (preg_match('/ISO8859([0-9]{0,2})/', $str, $m)) { @@ -335,6 +378,11 @@ # some clients sends windows-1252 text as latin1, # it is safe to use windows-1252 for all latin1 return $iso == 'ISO-8859-1' ? 'WINDOWS-1252' : $iso; + } + + // handle broken charset names e.g. WINDOWS-1250HTTP-EQUIVCONTENT-TYPE + if (preg_match('/WINDOWS([0-9]+)/', $str, $m)) { + return 'WINDOWS-' . $m[1]; } return $charset; @@ -482,12 +530,15 @@ $xml_rep_table['&'] = '&'; for ($c=160; $c<256; $c++) // can be increased to support more charsets - $xml_rep_table[Chr($c)] = "&#$c;"; + $xml_rep_table[chr($c)] = "&#$c;"; $xml_rep_table['"'] = '"'; $js_rep_table['"'] = '\\"'; $js_rep_table["'"] = "\\'"; $js_rep_table["\\"] = "\\\\"; + // Unicode line and paragraph separators (#1486310) + $js_rep_table[chr(hexdec(E2)).chr(hexdec(80)).chr(hexdec(A8))] = '
'; + $js_rep_table[chr(hexdec(E2)).chr(hexdec(80)).chr(hexdec(A9))] = '
'; } // encode for javascript use @@ -546,7 +597,6 @@ */ function get_input_value($fname, $source, $allow_html=FALSE, $charset=NULL) { - global $OUTPUT; $value = NULL; if ($source==RCUBE_INPUT_GET && isset($_GET[$fname])) @@ -563,8 +613,30 @@ $value = $_COOKIE[$fname]; } + return parse_input_value($value, $allow_html, $charset); +} + +/** + * Parse/validate input value. See get_input_value() + * Performs stripslashes() and charset conversion if necessary + * + * @param string Input value + * @param boolean Allow HTML tags in field value + * @param string Charset to convert into + * @return string Parsed value + */ +function parse_input_value($value, $allow_html=FALSE, $charset=NULL) +{ + global $OUTPUT; + if (empty($value)) return $value; + + if (is_array($value)) { + foreach ($value as $idx => $val) + $value[$idx] = parse_input_value($val, $allow_html, $charset); + return $value; + } // strip single quotes if magic_quotes_sybase is enabled if (ini_get('magic_quotes_sybase')) @@ -578,7 +650,7 @@ $value = strip_tags($value); // convert to internal charset - if (is_object($OUTPUT)) + if (is_object($OUTPUT) && $charset) return rcube_charset_convert($value, $OUTPUT->get_charset(), $charset); else return $value; @@ -677,6 +749,9 @@ foreach ($table_data as $row_data) { $zebra_class = $c % 2 ? 'even' : 'odd'; + if (!empty($row_data['class'])) + $zebra_class .= ' '.$row_data['class']; + $table->add_row(array('id' => 'rcmrow' . $row_data[$id_col], 'class' => $zebra_class)); // format each col @@ -900,13 +975,15 @@ $today_limit = mktime(0, 0, 0, $now_date['mon'], $now_date['mday'], $now_date['year']); $week_limit = mktime(0, 0, 0, $now_date['mon'], $now_date['mday']-6, $now_date['year']); - // define date format depending on current time - if ($CONFIG['prettydate'] && !$format && $timestamp > $today_limit && $timestamp < $now) - return sprintf('%s %s', rcube_label('today'), date($CONFIG['date_today'] ? $CONFIG['date_today'] : 'H:i', $timestamp)); - else if ($CONFIG['prettydate'] && !$format && $timestamp > $week_limit && $timestamp < $now) - $format = $CONFIG['date_short'] ? $CONFIG['date_short'] : 'D H:i'; - else if (!$format) - $format = $CONFIG['date_long'] ? $CONFIG['date_long'] : 'd.m.Y H:i'; + // define date format depending on current time + if (!$format) { + if ($CONFIG['prettydate'] && $timestamp > $today_limit && $timestamp < $now) + return sprintf('%s %s', rcube_label('today'), date($CONFIG['date_today'] ? $CONFIG['date_today'] : 'H:i', $timestamp)); + else if ($CONFIG['prettydate'] && $timestamp > $week_limit && $timestamp < $now) + $format = $CONFIG['date_short'] ? $CONFIG['date_short'] : 'D H:i'; + else + $format = $CONFIG['date_long'] ? $CONFIG['date_long'] : 'd.m.Y H:i'; + } // strftime() format if (preg_match('/%[a-z]+/i', $format)) @@ -1094,7 +1171,7 @@ global $RCMAIL; static $a_mailboxes; - $attrib += array('maxlength' => 100, 'relanames' => false); + $attrib += array('maxlength' => 100, 'realnames' => false); // add some labels to client $RCMAIL->output->add_label('purgefolderconfirm', 'deletemessagesconfirm'); @@ -1401,6 +1478,98 @@ /** + * Check if working in SSL mode + * + * @param integer HTTPS port number + * @param boolean Enables 'use_https' option checking + */ +function rcube_https_check($port=null, $use_https=true) +{ + global $RCMAIL; + + if (!empty($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) != 'off') + return true; + if ($port && $_SERVER['SERVER_PORT'] == $port) + return true; + if ($use_https && isset($RCMAIL) && $RCMAIL->config->get('use_https')) + return true; + + return false; +} + +// for backward compatibility +function rcube_sess_unset($var_name=null) +{ + global $RCMAIL; + + $RCMAIL->session->remove($var_name); +} + + +/** + * E-mail address validation + */ +function check_email($email, $dns_check=true) +{ + // Check for invalid characters + if (preg_match('/[\x00-\x1F\x7F-\xFF]/', $email)) + return false; + + // Check for length limit specified by RFC 5321 (#1486453) + if (strlen($email) > 254) + return false; + + $email_array = explode('@', $email); + + // Check that there's one @ symbol + if (count($email_array) < 2) + return false; + + $domain_part = array_pop($email_array); + $local_part = implode('@', $email_array); + + // from PEAR::Validate + $regexp = '&^(?: + ("\s*(?:[^"\f\n\r\t\v\b\s]+\s*)+")| #1 quoted name + ([-\w!\#\$%\&\'*+~/^`|{}]+(?:\.[-\w!\#\$%\&\'*+~/^`|{}]+)*)) #2 OR dot-atom + $&xi'; + + if (!preg_match($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 + else { + // If not an IP address + $domain_array = explode('.', $domain_part); + if (sizeof($domain_array) < 2) + return false; // Not enough parts to be a valid domain + + foreach ($domain_array as $part) + if (!preg_match('/^(([A-Za-z0-9][A-Za-z0-9-]{0,61}[A-Za-z0-9])|([A-Za-z0-9]))$/', $part)) + return false; + + if (!$dns_check || !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($domain_part, $mx_records)) + return true; + + // find any DNS record + if (checkdnsrr($domain_part, 'ANY')) + return true; + } + + return false; +} + + +/** * Helper class to turn relative urls into absolute ones * using a predefined base */ -- Gitblit v1.9.1