From fb495d3041cacb8c305ebecaa60c1bb7afa4dddf Mon Sep 17 00:00:00 2001
From: xue <>
Date: Thu, 15 Dec 2005 21:31:12 +0000
Subject: Added support to read user/role information from an external file.

---
 framework/Security/TUserManager.php | 55 +++++++++++++++++++++++++++++++++++--
 1 file changed, 53 insertions(+), 2 deletions(-)

(limited to 'framework')

diff --git a/framework/Security/TUserManager.php b/framework/Security/TUserManager.php
index d9210661..3c30dc19 100644
--- a/framework/Security/TUserManager.php
+++ b/framework/Security/TUserManager.php
@@ -207,6 +207,14 @@ class TUserManager extends TModule
 	 * @var string password mode, Clear|MD5|SH1
 	 */
 	private $_passwordMode='MD5';
+	/**
+	 * @var boolean whether the module has been initialized
+	 */
+	private $_initialized=false;
+	/**
+	 * @var string user/role information file
+	 */
+	private $_userFile=null;
 
 	/**
 	 * Initializes the module.
@@ -219,9 +227,30 @@ class TUserManager extends TModule
 	{
 		parent::init($application,$config);
 
-		foreach($config->getElementsByTagName('user') as $node)
+		if($this->_userFile!==null)
+		{
+			if(is_file($this->_userFile))
+			{
+				$dom=new TXmlDocument;
+				$dom->loadFromFile($this->_userFile);
+				$this->loadUserData($dom);
+			}
+			else
+				throw new TInvalidConfigurationException('usermanager_userfile_invalid',$this->_userFile);
+		}
+		$this->loadUserData($config);
+		$this->_initialized=true;
+	}
+
+	/**
+	 * Loads user/role information from an XML node.
+	 * @param TXmlElement the XML node containing the user information
+	 */
+	private function loadUserData($xmlNode)
+	{
+		foreach($xmlNode->getElementsByTagName('user') as $node)
 			$this->_users[strtolower($node->getAttribute('name'))]=$node->getAttribute('password');
-		foreach($config->getElementsByTagName('role') as $node)
+		foreach($xmlNode->getElementsByTagName('role') as $node)
 		{
 			foreach(explode(',',$node->getAttribute('users')) as $user)
 			{
@@ -231,6 +260,28 @@ class TUserManager extends TModule
 		}
 	}
 
+	/**
+	 * @return string the full path to the file storing user/role information
+	 */
+	public function getUserFile()
+	{
+		return $this->_userFile;
+	}
+
+	/**
+	 * @param string user/role data file path (in namespace form). The file format is XML
+	 * whose content is similar to that user/role block in application configuration.
+	 * @throws TInvalidOperationException if the module is already initialized
+	 * @throws TConfigurationException if the file is not in proper namespace format
+	 */
+	public function setUserFile($value)
+	{
+		if($this->_initialized)
+			throw new TInvalidOperationException('usermanager_userfile_unchangeable');
+		else if(($this->_userFile=Prado::getPathOfNamespace($value,self::DB_FILE_EXT))===null)
+			throw new TConfigurationException('usermanager_userfile_invalid',$value);
+	}
+
 	/**
 	 * @return string guest name, defaults to 'Guest'
 	 */
-- 
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