Version 3.2.3

upload/ips_kernel/sabre/Sabre/DAV/Auth/Backend/File.php

@@ -0,0 +1,102 @@
+<?php
+
+/**
+ * This is an authentication backend that uses a file to manage passwords.
+ *
+ * The backend file must conform to Apache's htdigest format
+ * 
+ * @package Sabre
+ * @subpackage DAV
+ * @copyright Copyright (C) 2007-2010 Rooftop Solutions. All rights reserved.
+ * @author Evert Pot (http://www.rooftopsolutions.nl/) 
+ * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ */
+class Sabre_DAV_Auth_Backend_File extends Sabre_DAV_Auth_Backend_AbstractDigest {
+
+    /**
+     * List of users 
+     * 
+     * @var array
+     */
+    protected $users = array();
+
+    /**
+     * Creates the backend object. 
+     *
+     * If the filename argument is passed in, it will parse out the specified file fist.
+     * 
+     * @param string $filename 
+     * @return void
+     */
+    public function __construct($filename=null) {
+
+        if (!is_null($filename))
+            $this->loadFile($filename);
+
+    }
+
+    /**
+     * Loads an htdigest-formatted file. This method can be called multiple times if
+     * more than 1 file is used.
+     * 
+     * @param string $filename 
+     * @return void
+     */
+    public function loadFile($filename) {
+
+        foreach(file($filename,FILE_IGNORE_NEW_LINES) as $line) {
+
+            if (substr_count($line, ":") !== 2) 
+                throw new Sabre_DAV_Exception('Malformed htdigest file. Every line should contain 2 colons');
+            
+            list($username,$realm,$A1) = explode(':',$line);
+
+            if (!preg_match('/^[a-zA-Z0-9]{32}$/', $A1))
+                throw new Sabre_DAV_Exception('Malformed htdigest file. Invalid md5 hash');
+                
+            $this->users[$username] = array(
+                'digestHash' => $A1,
+                'uri'        => 'principals/' . $username
+            );
+
+        }
+
+    }
+
+    /**
+     * Returns a users' information
+     * 
+     * @param string $realm 
+     * @param string $username 
+     * @return string 
+     */
+    public function getUserInfo($realm, $username) {
+
+        return isset($this->users[$username])?$this->users[$username]:false;
+
+    }
+
+
+    /**
+     * Returns the full list of users.
+     *
+     * This method must at least return a uri for each user.
+     * 
+     * @return array 
+     */
+    public function getUsers() {
+
+        $re = array();
+        foreach($this->users as $userName=>$A1) {
+
+            $re[] = array(
+                'uri'=>'principals/' . $userName
+            );
+
+        }
+
+        return $re;
+
+    }
+
+}