From b77c9d4669ec9596c8d39d0dec29c8a343aaa155 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Fri, 05 Feb 2010 08:10:42 -0500
Subject: [PATCH] - fix

---
 program/include/main.inc |  214 ++++++++++++++++++++++++++++++++++++++++++++---------
 1 files changed, 178 insertions(+), 36 deletions(-)

diff --git a/program/include/main.inc b/program/include/main.inc
index f020107..f09db8c 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 +208,36 @@
 
   // 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) {
+      // transliterate characters not available in output charset
+      $iconv_options = '//TRANSLIT';
+      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 +329,11 @@
   {
   $charset = strtoupper($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-/',	// RFC1642
+    ), '', $charset);
 
   # Aliases: some of them from HTML5 spec.
   $aliases = array(
@@ -319,6 +351,7 @@
     'TIS620'	    => 'WINDOWS-874',
     'ISO88599'	    => 'WINDOWS-1254',
     'ISO885911'	    => 'WINDOWS-874',
+    'MACROMAN'	    => 'MACINTOSH',
   );
 
   // allow a-z and 0-9 only and remove X- prefix (e.g. X-ROMAN8 => ROMAN8)
@@ -482,12 +515,15 @@
     $xml_rep_table['&'] = '&amp;';
 
     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['"'] = '&quot;';
     $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))] = '&#8232;';
+    $js_rep_table[chr(hexdec(E2)).chr(hexdec(80)).chr(hexdec(A9))] = '&#8233;';
     }
 
   // encode for javascript use
@@ -545,7 +581,7 @@
  * @return string   Field value or NULL if not available
  */
 function get_input_value($fname, $source, $allow_html=FALSE, $charset=NULL)
-  {
+{
   global $OUTPUT;
   $value = NULL;
   
@@ -582,7 +618,26 @@
     return rcube_charset_convert($value, $OUTPUT->get_charset(), $charset);
   else
     return $value;
+}
+
+/**
+ * Convert array of request parameters (prefixed with _)
+ * to a regular array with non-prefixed keys.
+ *
+ * @param  int   Source to get value from (GPC)
+ * @return array Hash array with all request parameters
+ */
+function request2param($mode = RCUBE_INPUT_GPC)
+{
+  $out = array();
+  $src = $mode == RCUBE_INPUT_GET ? $_GET : ($mode == RCUBE_INPUT_POST ? $_POST : $_REQUEST);
+  foreach ($src as $key => $value) {
+    $fname = $key[0] == '_' ? substr($key, 1) : $key;
+    $out[$fname] = get_input_value($key, $mode);
   }
+  
+  return $out;
+}
 
 /**
  * Remove all non-ascii and non-word chars
@@ -644,7 +699,7 @@
     while ($table_data && ($sql_arr = $db->fetch_assoc($table_data)))
     {
       $zebra_class = $c % 2 ? 'even' : 'odd';
-      $table->add_row(array('id' => 'rcmrow' . $sql_arr[$id_col], 'class' => "contact $zebra_class"));
+      $table->add_row(array('id' => 'rcmrow' . $sql_arr[$id_col], 'class' => $zebra_class));
 
       // format each col
       foreach ($a_show_cols as $col)
@@ -658,7 +713,7 @@
     foreach ($table_data as $row_data)
     {
       $zebra_class = $c % 2 ? 'even' : 'odd';
-      $table->add_row(array('id' => 'rcmrow' . $row_data[$id_col], 'class' => "contact $zebra_class"));
+      $table->add_row(array('id' => 'rcmrow' . $row_data[$id_col], 'class' => $zebra_class));
 
       // format each col
       foreach ($a_show_cols as $col)
@@ -881,13 +936,15 @@
   $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))
@@ -927,7 +984,7 @@
 
 
 /**
- * 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
@@ -938,10 +995,10 @@
   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);
   }
 
 
@@ -958,8 +1015,11 @@
   {
   $args = func_get_args();
 
-  if (class_exists('rcmail', false))
-    rcmail::get_instance()->plugins->exec_hook('console', $args);
+  if (class_exists('rcmail', false)) {
+    $rcmail = rcmail::get_instance();
+    if (is_object($rcmail->plugins))
+      $rcmail->plugins->exec_hook('console', $args);
+  }
 
   $msg = array();
   foreach ($args as $arg)
@@ -1004,7 +1064,7 @@
     $line = $log['line'];
     $date = $log['date'];
     if ($log['abort'])
-      return;
+      return true;
   }
  
   $log_entry = sprintf("[%s]: %s\n", $date, $line);
@@ -1020,12 +1080,15 @@
       $CONFIG['log_dir'] = INSTALL_PATH.'logs';
 
     // try to open specific log file for writing
-    if ($fp = @fopen($CONFIG['log_dir'].'/'.$name, 'a')) {
+    $logfile = $CONFIG['log_dir'].'/'.$name;
+    if ($fp = @fopen($logfile, 'a')) {
       fwrite($fp, $log_entry);
       fflush($fp);
       fclose($fp);
       return true;
     }
+    else
+      trigger_error("Error writing to log file $logfile; Please check permissions", E_USER_WARNING);
   }
   return false;
 }
@@ -1069,7 +1132,7 @@
   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');
@@ -1130,11 +1193,12 @@
 {
   global $RCMAIL;
   
-  $p += array('maxlength' => 100, 'relanames' => false);
+  $p += array('maxlength' => 100, 'realnames' => false);
   $a_mailboxes = array();
   
   foreach ($RCMAIL->imap->list_mailboxes() as $folder)
-    rcmail_build_folder_tree($a_mailboxes, $folder, $RCMAIL->imap->get_hierarchy_delimiter());
+    if (empty($p['exceptions']) || !in_array($folder, $p['exceptions']))
+      rcmail_build_folder_tree($a_mailboxes, $folder, $RCMAIL->imap->get_hierarchy_delimiter());
 
   $select = new html_select($p);
   
@@ -1356,18 +1420,96 @@
  */
 function rcube_html_editor($mode='')
 {
-  global $OUTPUT, $CONFIG;
+  global $RCMAIL, $CONFIG;
 
-  $lang = $tinylang = strtolower(substr($_SESSION['language'], 0, 2));
-  if (!file_exists(INSTALL_PATH . 'program/js/tiny_mce/langs/'.$tinylang.'.js'))
-    $tinylang = 'en';
+  $hook = $RCMAIL->plugins->exec_hook('hmtl_editor', array('mode' => $mode));
 
-  $OUTPUT->include_script('tiny_mce/tiny_mce.js');
-  $OUTPUT->include_script('editor.js');
-  $OUTPUT->add_script('rcmail_editor_init("$__skin_path", "'.JQ($tinylang).'", '.intval($CONFIG['enable_spellcheck']).', "'.$mode.'");');
+  if ($hook['abort'])
+    return;  
+
+  $lang = strtolower(substr($_SESSION['language'], 0, 2));
+  if (!file_exists(INSTALL_PATH . 'program/js/tiny_mce/langs/'.$lang.'.js'))
+    $lang = 'en';
+
+  $RCMAIL->output->include_script('tiny_mce/tiny_mce.js');
+  $RCMAIL->output->include_script('editor.js');
+  $RCMAIL->output->add_script('rcmail_editor_init("$__skin_path",
+    "'.JQ($lang).'", '.intval($CONFIG['enable_spellcheck']).', "'.$mode.'");');
 }
 
 
+/**
+ * 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 && $RCMAIL->config->get('use_https'))
+    return true;
+
+  return false;
+}
+
+
+/**
+ * E-mail address validation
+ */
+function check_email($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

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