From cd52f92def16e676c2458a32d2b8c8f8a7839f06 Mon Sep 17 00:00:00 2001
From: chris <chris@jalakai.co.uk>
Date: Wed, 25 Jan 2006 01:01:25 +0100
Subject: oo auth update - remove legacy auth remnants, add auth->canDo

darcs-hash:20060125000125-9b6ab-9853f11e04d8ea93235317fa8137cef079eb2641.gz
---
 inc/auth/basic.class.php | 26 +++++++++++++++++++++++++-
 inc/auth/plain.class.php | 35 +++++++++++++++++++++++++++++++++++
 2 files changed, 60 insertions(+), 1 deletion(-)

(limited to 'inc/auth')

diff --git a/inc/auth/basic.class.php b/inc/auth/basic.class.php
index f39a9c392..9ea1a598b 100644
--- a/inc/auth/basic.class.php
+++ b/inc/auth/basic.class.php
@@ -5,13 +5,26 @@
  * foundation authorisation class 
  * all auth classes should inherit from this class
  *
- * @author    Chris Smith <chris@jalakaic.co.uk>
+ * @author    Chris Smith <chris@jalakai.co.uk>
  */
  
 class auth_basic {
 
 	var $success = true;
 
+	/**
+	 * Constructor
+	 *
+	 * Carry out sanity checks to ensure the object is
+	 * able to operate.
+	 * 
+	 * Set $this->success to false if checks fail
+	 *
+   * @author  Christopher Smith <chris@jalakai.co.uk>
+   */		 
+#  function auth_basic() {
+#	 }
+
   /**
    * Do all authentication [ OPTIONAL ]
    *
@@ -60,6 +73,17 @@ class auth_basic {
 #    return true;
 #  }
 
+  /**
+	 * Check if authorisation mechanism supports fn and
+	 * that fn will operate in the current environment
+	 *
+	 * @author  Christopher Smith <chris@jalakai.co.uk>
+	 * @return  bool
+	 */
+  function canDo($fn) {
+	  return method_exists($this, $fn);
+	}
+
 	/**
 	 * Check user+password [ MUST BE OVERRIDDEN ]
 	 *
diff --git a/inc/auth/plain.class.php b/inc/auth/plain.class.php
index 2331ae908..373bb2907 100644
--- a/inc/auth/plain.class.php
+++ b/inc/auth/plain.class.php
@@ -20,6 +20,41 @@ class auth_plain extends auth_basic {
 
     var $users = null;
     var $_pattern = array();
+		
+		/**
+		 * Constructor
+		 *
+		 * Carry out sanity checks to ensure the object is
+		 * able to operate.
+		 * 
+		 * Set $this->success to false if checks fail
+		 *
+     * @author  Christopher Smith <chris@jalakai.co.uk>
+		 */		 
+		function auth_plain() {
+		  if (!@is_readable(AUTH_USERFILE)) $this->success = false;
+		}
+
+    /**
+     * Check if authorisation mechanism supports fn and
+     * that fn will operate in the current environment
+     *
+     * @author  Christopher Smith <chris@jalakai.co.uk>
+     * @return  bool
+     */
+    function canDo($fn) {
+
+		  switch ($fn) {
+			  case 'createUser'  :
+			  case 'modifyUser'  :
+				case 'deleteUsers' :
+				case 'joinGroup'   :
+				case 'leaveGroup'  :
+				  return (@is_writable(AUTH_USERFILE));
+			}
+
+	    return method_exists($this, $fn);
+    }
 
     /**
      * Check user+password [required auth function]
-- 
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