initial commit of laravel!

system/auth.php

@@ -0,0 +1,135 @@
+<?php namespace System;
+
+class Auth {
+
+	/**
+	 * The current user of the application.
+	 *
+	 * @var object
+	 */
+	public static $user;
+
+	/**
+	 * The key used to store the user ID in the session.
+	 *
+	 * @var string
+	 */
+	private static $key = 'laravel_user_id';
+
+	/**
+	 * Determine if the current user of the application is authenticated.
+	 *
+	 * @return bool
+	 */
+	public static function check()
+	{
+		return ( ! is_null(static::user()));
+	}
+
+	/**
+	 * Get the current user of the application.
+	 *
+	 * @return object
+	 */
+	public static function user()
+	{
+		// -----------------------------------------------------
+		// Verify that sessions are enabled.
+		// -----------------------------------------------------
+		if (Config::get('session.driver') == '')
+		{
+			throw new \Exception("You must specify a session driver before using the Auth class.");
+		}
+
+		// -----------------------------------------------------
+		// Get the authentication model.
+		// -----------------------------------------------------
+		$model = static::model();
+
+		// -----------------------------------------------------
+		// Load the user using the ID stored in the session.
+		// -----------------------------------------------------
+		if (is_null(static::$user) and Session::has(static::$key))
+		{
+			static::$user = $model::find(Session::get(static::$key));
+		}
+
+		return static::$user;
+	}
+
+	/**
+	 * Attempt to login a user.
+	 *
+	 * @param  string  $username
+	 * @param  string  $password
+	 */
+	public static function login($username, $password)
+	{
+		// -----------------------------------------------------
+		// Get the authentication model.
+		// -----------------------------------------------------
+		$model = static::model();
+
+		// -----------------------------------------------------
+		// Get the user by username.
+		// -----------------------------------------------------
+		$user = $model::where(Config::get('auth.username'), '=', $username)->first();
+
+		if ( ! is_null($user))
+		{
+			// -----------------------------------------------------
+			// Hash the password.
+			// -----------------------------------------------------
+			$password = (isset($user->salt)) ? Hash::make($password, $user->salt)->value : sha1($password);
+
+			// -----------------------------------------------------
+			// Verify that the passwords match.
+			// -----------------------------------------------------
+			if ($user->password == $password)
+			{
+				// -----------------------------------------------------
+				// Set the user property.
+				// -----------------------------------------------------
+				static::$user = $user;
+
+				// -----------------------------------------------------
+				// Store the user ID in the session.
+				// -----------------------------------------------------
+				Session::put(static::$key, $user->id);
+
+				return true;
+			}
+		}
+
+		return false;
+	}
+
+	/**
+	 * Logout the current user of the application.
+	 *
+	 * @return void
+	 */
+	public static function logout()
+	{
+		// -----------------------------------------------------
+		// Remove the user ID from the session.
+		// -----------------------------------------------------
+		Session::forget(static::$key);
+
+		// -----------------------------------------------------
+		// Clear the current user variable.
+		// -----------------------------------------------------
+		static::$user = null;
+	}
+
+	/**
+	 * Get the authentication model.
+	 *
+	 * @return string
+	 */
+	private static function model()
+	{
+		return '\\'.Config::get('auth.model');
+	}
+
+}