From 874ff4d4be5a8744052f9bcd810f62ac1da1193b Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Wed, 26 May 2010 04:46:49 -0400
Subject: [PATCH] - Fix raise_error() in Installer (#1486756)

---
 program/include/main.inc |  129 ++++++++++++++++++++++++++++++++++++++++--
 1 files changed, 122 insertions(+), 7 deletions(-)

diff --git a/program/include/main.inc b/program/include/main.inc
index 9e18131..6a81791 100644
--- a/program/include/main.inc
+++ b/program/include/main.inc
@@ -1141,6 +1141,34 @@
 
 
 /**
+ * Write login data (name, ID, IP address) to the 'userlogins' log file.
+ */
+function rcmail_log_login()
+{
+  global $RCMAIL;
+
+  if (!$RCMAIL->config->get('log_logins') || !$RCMAIL->user)
+    return;
+
+  $address = $_SERVER['REMOTE_ADDR'];
+  // append the NGINX X-Real-IP header, if set
+  if (!empty($_SERVER['HTTP_X_REAL_IP'])) {
+    $remote_ip[] = 'X-Real-IP: ' . $_SERVER['HTTP_X_REAL_IP'];
+  }
+  // append the X-Forwarded-For header, if set
+  if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
+    $remote_ip[] = 'X-Forwarded-For: ' . $_SERVER['HTTP_X_FORWARDED_FOR'];
+  }
+
+  if (!empty($remote_ip))
+    $address .= '(' . implode(',', $remote_ip) . ')';
+
+  write_log('userlogins', sprintf('Successful login for %s (ID: %d) from %s',
+    $RCMAIL->user->get_username(), $RCMAIL->user->ID, $address));
+}
+
+
+/**
  * @access private
  */
 function rcube_timer()
@@ -1431,15 +1459,15 @@
 {
   global $CONFIG;
 
+  if ($folder_id == 'INBOX')
+    return 'inbox';
+
   // for these mailboxes we have localized labels and css classes
   foreach (array('sent', 'drafts', 'trash', 'junk') as $smbx)
   {
     if ($folder_id == $CONFIG[$smbx.'_mbox'])
       return $smbx;
   }
-
-  if ($folder_id == 'INBOX')
-    return 'inbox';
 }
 
 
@@ -1560,8 +1588,15 @@
     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;
+    if (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN' && version_compare(PHP_VERSION, '5.3.0', '<')) {
+      $lookup = array();
+      @exec("nslookup -type=MX " . escapeshellarg($domain_part) . " 2>&1", $lookup);
+      foreach ($lookup as $line) {
+        if (strpos($line, 'MX preference'))
+          return true;
+      }
+      return false;
+    }
 
     // find MX record(s)
     if (getmxrr($domain_part, $mx_records))
@@ -1583,16 +1618,96 @@
 class rcube_base_replacer
 {
   private $base_url;
-  
+
   public function __construct($base)
   {
     $this->base_url = $base;
   }
-  
+
   public function callback($matches)
   {
     return $matches[1] . '="' . make_absolute_url($matches[3], $this->base_url) . '"';
   }
 }
 
+
+/**
+ * Throw system error and show error page
+ *
+ * @param array Named parameters
+ *  - code: Error code (required)
+ *  - type: Error type [php|db|imap|javascript] (required)
+ *  - message: Error message
+ *  - file: File where error occured
+ *  - line: Line where error occured
+ * @param boolean True to log the error
+ * @param boolean Terminate script execution
+ */
+// may be defined in Installer
+if (!function_exists('raise_error')) {
+function raise_error($arg=array(), $log=false, $terminate=false)
+{
+    global $__page_content, $CONFIG, $OUTPUT, $ERROR_CODE, $ERROR_MESSAGE;
+
+    // report bug (if not incompatible browser)
+    if ($log && $arg['type'] && $arg['message'])
+        log_bug($arg);
+
+    // display error page and terminate script
+    if ($terminate) {
+        $ERROR_CODE = $arg['code'];
+        $ERROR_MESSAGE = $arg['message'];
+        include('program/steps/utils/error.inc');
+        exit;
+    }
+}
+}
+
+
+/**
+ * Report error according to configured debug_level
+ *
+ * @param array Named parameters
+ * @see raise_error()
+ */
+function log_bug($arg_arr)
+{
+    global $CONFIG;
+    $program = strtoupper($arg_arr['type']);
+
+    // write error to local log file
+    if ($CONFIG['debug_level'] & 1) {
+        $post_query = ($_SERVER['REQUEST_METHOD'] == 'POST' ? '?_task='.urlencode($_POST['_task']).'&_action='.urlencode($_POST['_action']) : '');
+        $log_entry = sprintf("%s Error: %s%s (%s %s)",
+            $program,
+            $arg_arr['message'],
+            $arg_arr['file'] ? sprintf(' in %s on line %d', $arg_arr['file'], $arg_arr['line']) : '',
+            $_SERVER['REQUEST_METHOD'],
+            $_SERVER['REQUEST_URI'] . $post_query);
+
+        if (!write_log('errors', $log_entry)) {
+            // send error to PHPs error handler if write_log didn't succeed
+            trigger_error($arg_arr['message']);
+        }
+    }
+
+    // resport the bug to the global bug reporting system
+    if ($CONFIG['debug_level'] & 2) {
+        // TODO: Send error via HTTP
+    }
+
+    // show error if debug_mode is on
+    if ($CONFIG['debug_level'] & 4) {
+        print "<b>$program Error";
+
+        if (!empty($arg_arr['file']) && !empty($arg_arr['line']))
+            print " in $arg_arr[file] ($arg_arr[line])";
+
+        print ':</b>&nbsp;';
+        print nl2br($arg_arr['message']);
+        print '<br />';
+        flush();
+    }
+}
+
 ?>

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