From 3b26f1d369183d573196f96a6eb3e703a2e99573 Mon Sep 17 00:00:00 2001
From: Baptiste Lafontaine <baptiste33@gmail.com>
Date: Wed, 4 Jan 2012 23:13:15 +0100
Subject: [PATCH] First logic version

---
 examples/login/app.js          | 29 ++--------------------
 lib/passport-webid/strategy.js | 44 +++++++++++++++++++++++++++++++++-
 2 files changed, 45 insertions(+), 28 deletions(-)

diff --git a/examples/login/app.js b/examples/login/app.js
index 6812615..3e543e6 100644
--- a/examples/login/app.js
+++ b/examples/login/app.js
@@ -1,32 +1,7 @@
 var express = require('express')
   , passport = require('passport')
   , util = require('util')
-  , LocalStrategy = require('../../../passport-webid').Strategy;
-  
-
-var users = [
-    { id: 1, username: 'bob', password: 'secret', email: 'bob@example.com' }
-  , { id: 2, username: 'joe', password: 'birthday', email: 'joe@example.com' }
-];
-
-function findById(id, fn) {
-  var idx = id - 1;
-  if (users[idx]) {
-    fn(null, users[idx]);
-  } else {
-    fn(new Error('User ' + id + ' does not exist'));
-  }
-}
-
-function findByUsername(username, fn) {
-  for (var i = 0, len = users.length; i < len; i++) {
-    var user = users[i];
-    if (user.username === username) {
-      return fn(null, user);
-    }
-  }
-  return fn(null, null);
-}
+  , WebIDStrategy = require('../../../passport-webid').Strategy;
 
 
 // Passport session setup.
@@ -50,7 +25,7 @@ passport.deserializeUser(function(id, done) {
 //   credentials (in this case, a username and password), and invoke a callback
 //   with a user object.  In the real world, this would query a database;
 //   however, in this example we are using a baked-in set of users.
-passport.use(new LocalStrategy(
+passport.use(new WebIDStrategy(
   function(username, password, done) {
     // asynchronous verification, for effect...
     process.nextTick(function () {
diff --git a/lib/passport-webid/strategy.js b/lib/passport-webid/strategy.js
index f6902ae..b9c6841 100644
--- a/lib/passport-webid/strategy.js
+++ b/lib/passport-webid/strategy.js
@@ -3,9 +3,51 @@ var passport = require('passport'),
 
 
 function Strategy(options, verify) {
+	if (typeof options == 'function') {
+		verify = options;
+		options = {};
+  	}
+	passport.Strategy.call(this);
+	this.name = 'local';
+	this.verify = verify;
 }
 
 /**
  * Inherit from `passport.Strategy`.
  */
-util.inherits(Strategy, passport.Strategy);
\ No newline at end of file
+util.inherits(Strategy, passport.Strategy);
+
+/**
+ * Authentificate with the given certificate
+ * 
+ */
+Strategy.prototype.authenticate = function(req) {
+	var self = this;
+	if (!req.certificate) {
+		self.fail();
+	}
+	else {
+		var certificate = req.certificate;
+
+		// Verifying with node-webid
+		var verifAgent = new webid.VerificationAgent(certificate);
+        verifAgent.verify(function (success, result) {
+        	if (success) {
+        		var foaf = new webid.Foaf(result);
+        		self._verify(foaf, function (err, user) {
+        			if (err) { return self.error(err); }
+        			if (!user) { return self.fail(); }
+        			self.success(user);
+        		});
+        	}
+        	else {
+        		self.error(result);
+        	}
+        });
+	}
+}
+
+/**
+ * Expose `Strategy`.
+ */ 
+module.exports = Strategy;
\ No newline at end of file