From 8448fca1f11f69e29bca568cb0042e83dd6be89e Mon Sep 17 00:00:00 2001
From: thomascube <thomas@roundcube.net>
Date: Fri, 03 Jul 2009 09:38:30 -0400
Subject: [PATCH] Let internal 'template_container' hook append to existing content

---
 program/include/rcube_config.php |  159 ++++++++++++++++++++++++++++++++++++++++++++++++----
 1 files changed, 145 insertions(+), 14 deletions(-)

diff --git a/program/include/rcube_config.php b/program/include/rcube_config.php
index 541767a..e596c0b 100644
--- a/program/include/rcube_config.php
+++ b/program/include/rcube_config.php
@@ -5,7 +5,7 @@
  | program/include/rcube_config.php                                      |
  |                                                                       |
  | This file is part of the RoundCube Webmail client                     |
- | Copyright (C) 2008, RoundCube Dev. - Switzerland                      |
+ | Copyright (C) 2008-2009, RoundCube Dev. - Switzerland                 |
  | Licensed under the GNU GPL                                            |
  |                                                                       |
  | PURPOSE:                                                              |
@@ -27,6 +27,7 @@
 class rcube_config
 {
   private $prop = array();
+  private $errors = array();
 
 
   /**
@@ -40,6 +41,8 @@
 
   /**
    * Load config from local config file
+   *
+   * @todo Remove global $CONFIG
    */
   private function load()
   {
@@ -48,25 +51,43 @@
     ob_start();
     
     // load main config file
-    include_once(INSTALL_PATH . 'config/main.inc.php');
-    $this->prop = (array)$rcmail_config;
+    if (!$this->load_from_file(RCMAIL_CONFIG_DIR . '/main.inc.php'))
+      $this->errors[] = 'main.inc.php was not found.';
 
     // load database config
-    include_once(INSTALL_PATH . 'config/db.inc.php');
-    $this->prop += (array)$rcmail_config;
+    if (!$this->load_from_file(RCMAIL_CONFIG_DIR . '/db.inc.php'))
+      $this->errors[] = 'db.inc.php was not found.';
+    
+    // load host-specific configuration
+    $this->load_host_config();
+
+    // set skin (with fallback to old 'skin_path' property)
+    if (empty($this->prop['skin']) && !empty($this->prop['skin_path']))
+      $this->prop['skin'] = str_replace('skins/', '', unslashify($this->prop['skin_path']));
+    else if (empty($this->prop['skin']))
+      $this->prop['skin'] = 'default';
 
     // fix paths
-    $this->prop['skin_path'] = $this->prop['skin_path'] ? unslashify($this->prop['skin_path']) : 'skins/default';
     $this->prop['log_dir'] = $this->prop['log_dir'] ? unslashify($this->prop['log_dir']) : INSTALL_PATH . 'logs';
-    
-    // handle aliases
-    if (isset($this->prop['locale_string']) && empty($this->prop['language']))
-      $this->prop['language'] = $this->prop['locale_string'];
+    $this->prop['temp_dir'] = $this->prop['temp_dir'] ? unslashify($this->prop['temp_dir']) : INSTALL_PATH . 'temp';
+
+    // fix default imap folders encoding
+    foreach (array('drafts_mbox', 'junk_mbox', 'sent_mbox', 'trash_mbox') as $folder)
+      $this->prop[$folder] = rcube_charset_convert($this->prop[$folder], RCMAIL_CHARSET, 'UTF7-IMAP');
+
+    if (!empty($this->prop['default_imap_folders']))
+      foreach ($this->prop['default_imap_folders'] as $n => $folder)
+        $this->prop['default_imap_folders'][$n] = rcube_charset_convert($folder, RCMAIL_CHARSET, 'UTF7-IMAP');
 
     // set PHP error logging according to config
     if ($this->prop['debug_level'] & 1) {
       ini_set('log_errors', 1);
-      ini_set('error_log', $this->prop['log_dir'] . '/errors');
+
+      if ($this->prop['log_driver'] == 'syslog') {
+        ini_set('error_log', 'syslog');
+      } else {
+        ini_set('error_log', $this->prop['log_dir'].'/errors');
+      }
     }
     if ($this->prop['debug_level'] & 4) {
       ini_set('display_errors', 1);
@@ -77,6 +98,9 @@
     
     // clear output buffer
     ob_end_clean();
+
+    // export config data
+    $GLOBALS['CONFIG'] = &$this->prop;
   }
   
   
@@ -95,10 +119,30 @@
       $fname = preg_replace('/[^a-z0-9\.\-_]/i', '', $_SERVER['HTTP_HOST']) . '.inc.php';
     }
 
-    if ($fname && is_file(INSTALL_PATH . 'config/' . $fname)) {
-      include(INSTALL_PATH . 'config/' . $fname);
-      $this->prop = array_merge($this->prop, (array)$rcmail_config);
+    if ($fname) {
+      $this->load_from_file(RCMAIL_CONFIG_DIR . '/' . $fname);
     }
+  }
+  
+  
+  /**
+   * Read configuration from a file
+   * and merge with the already stored config values
+   *
+   * @param string Full path to the config file to be loaded
+   * @return booelan True on success, false on failure
+   */
+  public function load_from_file($fpath)
+  {
+    if (is_file($fpath) && is_readable($fpath)) {
+      include($fpath);
+      if (is_array($rcmail_config)) {
+        $this->prop = array_merge($this->prop, $rcmail_config);
+        return true;
+      }
+    }
+    
+    return false;
   }
   
   
@@ -147,6 +191,93 @@
   {
     return $this->prop;
   }
+
+  /**
+   * Return requested DES crypto key.
+   *
+   * @param string Crypto key name
+   * @return string Crypto key
+   */
+  public function get_crypto_key($key)
+  {
+    // Bomb out if the requested key does not exist
+    if (!array_key_exists($key, $this->prop))
+    {
+      raise_error(array(
+        'code' => 500,
+        'type' => 'php',
+        'file' => __FILE__,
+        'message' => "Request for unconfigured crypto key \"$key\""
+      ), true, true);
+    }
   
+    $key = $this->prop[$key];
+  
+    // Bomb out if the configured key is not exactly 24 bytes long
+    if (strlen($key) != 24)
+    {
+      raise_error(array(
+        'code' => 500,
+        'type' => 'php',
+        'file' => __FILE__,
+        'message' => "Configured crypto key \"$key\" is not exactly 24 bytes long"
+      ), true, true);
+    }
+
+    return $key;
+  }
+
+  /**
+   * Try to autodetect operating system and find the correct line endings
+   *
+   * @return string The appropriate mail header delimiter
+   */
+  public function header_delimiter()
+  {
+    // use the configured delimiter for headers
+    if (!empty($this->prop['mail_header_delimiter']))
+      return $this->prop['mail_header_delimiter'];
+    else if (strtolower(substr(PHP_OS, 0, 3) == 'win'))
+      return "\r\n";
+    else if (strtolower(substr(PHP_OS, 0, 3) == 'mac'))
+      return "\r\n";
+    else
+      return "\n";
+  }
+
+  
+  
+  /**
+   * Return the mail domain configured for the given host
+   *
+   * @param string IMAP host
+   * @return string Resolved SMTP host
+   */
+  public function mail_domain($host)
+  {
+    $domain = $host;
+    
+    if (is_array($this->prop['mail_domain'])) {
+      if (isset($this->prop['mail_domain'][$host]))
+        $domain = $this->prop['mail_domain'][$host];
+    }
+    else if (!empty($this->prop['mail_domain']))
+      $domain = $this->prop['mail_domain'];
+    
+    return $domain;
+  }
+  
+  
+  /**
+   * Getter for error state
+   *
+   * @return mixed Error message on error, False if no errors
+   */
+  public function get_error()
+  {
+    return empty($this->errors) ? false : join("\n", $this->errors);
+  }
+
+
 }
 

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