calvinfroedge · tagawa · Mar 23, 2012
diff --git a/README.md b/README.md
@@ -13,7 +13,6 @@ Facebook and Twitter are currently supported.
 This spark is a work in progress.  Things to be added:
 
 - Lots of refactoring
-- Responses in lang file (sounds like an easy pull request to me!)
 - More Oauth providers
 
 ## Installing
@@ -26,6 +25,8 @@ You can then load the spark with this:
 $this->load->spark('codeigniter-oauth/');
 ```
 
+In the package there is a sample controller and view for reference. Remember to add your details to the config file, as well as setting your success callback URL in the Twitter/Facebook admin interface.
+
 ## Usage Example
 
 ```php
@@ -53,4 +54,4 @@ else
 		var_dump($result);
 	}
 }
-```
+```
diff --git a/controllers/signin.php b/controllers/signin.php
@@ -0,0 +1,69 @@
+<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
+
+class Signin extends CI_Controller {
+
+    public function __construct() {
+        parent::__construct();
+        $this->load->spark('codeigniter-oauth-0.0.2');
+    }
+
+    public function index() {
+        $this->data['username'] = $this->input->cookie('username', TRUE);
+        if (empty($this->data['username']) && isset($_SERVER['HTTP_REFERER'])) {
+            $this->session->set_userdata('referrer', $_SERVER['HTTP_REFERER']);
+        }
+        $this->load->view('signin/index', $this->data);
+    }
+
+    public function login($type = '') {
+        if (!empty($type)) {
+            if (isset($_GET['oauth_token']) && isset($_GET['oauth_verifier'])) {
+                $result = $this->oauth->authorize_result($type);
+                if($result->status === 'success') {
+                    (isset($result->token2))
+                    ? $get_auth = $this->oauth->access($type, $result->token, $result->token2)
+                    : $get_auth = $this->oauth->access($type, $result->token);
+
+                    // Set a cookie to remember the login status
+                    $cookie = array(
+                        'name'   => 'username',
+                        'value'  => $get_auth->user['username'],
+                        'expire' => '86400' // 24 hours
+                    );
+                    $this->input->set_cookie($cookie);
+
+                    $referrer = $this->session->userdata('referrer');
+                    if (!empty($referrer)) {
+                        redirect($referrer, 'refresh'); 
+                    } else {
+                        redirect('./signin', 'refresh');
+                    }
+                } else {
+                    echo('Authentication error<br>');
+                    var_dump($result);
+                }
+            } else if (isset($_GET['denied'])) {
+                echo('Access denied');
+            } else {
+                $this->oauth->authorize($type);
+            }
+        } else {
+            redirect('./signin', 'refresh');
+        }
+    }
+
+    public function logout() {
+        $username = $this->input->cookie('username', TRUE);
+        if ($username) {
+            // Clear the cookie
+            $cookie = array(
+                'name'   => 'username',
+                'value'  => $username,
+                'expire' => ''
+            );
+            $this->input->set_cookie($cookie);
+        }
+        redirect(base_url(), 'refresh');
+    }
+}
+?>
diff --git a/views/signin/index.php b/views/signin/index.php
@@ -0,0 +1,180 @@
+<style>
+/*
+ * CSS source: https://github.com/necolas/css3-social-signin-buttons
+ * Button Object
+ */
+
+/*
+ * 1. Corrects inability to style clickable 'input' types in iOS
+ * 2. Remove excess padding in IE6/7
+ * 3. IE6/7 inline-block hack for native block-level elements
+ */
+
+.btn-auth {
+    position: relative;
+    display: inline-block;
+    height: 22px;
+    padding: 0 1em;
+    border: 1px solid #999;
+    border-radius: 2px;
+    margin: 0;
+    text-align: center;
+    text-decoration: none;
+    font-size: 14px;
+    line-height: 22px;
+    white-space: nowrap;
+    cursor: pointer;
+    color: #222;
+    background: #fff;
+    -webkit-box-sizing: content-box;
+    -moz-box-sizing: content-box;
+    box-sizing: content-box;
+    /* iOS */
+    -webkit-appearance: none; /* 1 */
+    /* IE6/7 hacks */
+    *overflow: visible;  /* 2 */
+    *display: inline; /* 3 */
+    *zoom: 1; /* 3 */
+}
+
+.btn-auth:hover,
+.btn-auth:focus,
+.btn-auth:active {
+    color: #222;
+    text-decoration: none;
+}
+
+.btn-auth:before {
+    content: "";
+    float: left;
+    width: 22px;
+    height: 22px;
+    /* Please change the URL below to a local file */
+    background: url(https://github.com/necolas/css3-social-signin-buttons/raw/master/auth-icons.png) no-repeat 99px 99px;
+}
+
+/*
+ * 36px
+ */
+
+.btn-auth.large {
+    height: 36px;
+    line-height: 36px;
+    font-size: 20px;
+}
+
+.btn-auth.large:before {
+    width: 36px;
+    height: 36px;
+}
+
+/*
+ * Remove excess padding and border in FF3+
+ */
+
+.btn-auth::-moz-focus-inner {
+    border: 0;
+    padding: 0;
+}
+
+/* Facebook (extends .btn-auth)
+   ========================================================================== */
+
+.btn-facebook {
+    border-color: #29447e;
+    border-bottom-color: #1a356e;
+    color: #fff;
+    background-color: #5872a7;
+    background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#637bad), to(#5872a7));
+    background-image: -webkit-linear-gradient(#637bad, #5872a7);
+    background-image: -moz-linear-gradient(#637bad, #5872a7);
+    background-image: -ms-linear-gradient(#637bad, #5872a7);
+    background-image: -o-linear-gradient(#637bad, #5872a7);
+    background-image: linear-gradient(#637bad, #5872a7);
+    -webkit-box-shadow: inset 0 1px 0 #879ac0;
+    box-shadow: inset 0 1px 0 #879ac0;
+}
+
+.btn-facebook:hover,
+.btn-facebook:focus {
+    color: #fff;
+    background-color: #3b5998;
+}
+
+.btn-facebook:active {
+    color: #fff;
+    background: #4f6aa3;
+    -webkit-box-shadow: inset 0 1px 0 #45619d;
+    box-shadow: inset 0 1px 0 #45619d;
+}
+
+/*
+ * Icon
+ */
+
+.btn-facebook:before {
+    border-right: 1px solid #465f94;
+    margin: 0 1em 0 -1em;
+    background-position: 0 0;
+}
+
+.btn-facebook.large:before {
+    background-position: 0 -22px;
+}
+
+/* Twitter
+   ========================================================================== */
+
+.btn-twitter {
+    border-color: #a6cde6;
+    color: #327695;
+    background: #cfe4f0;
+    /* css3 */
+    background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#f1f5f7), to(rgba(255,255,255,0)));
+    background-image: -webkit-linear-gradient(#f1f5f7, rgba(255,255,255,0));
+    background-image: -moz-linear-gradient(#f1f5f7, rgba(255,255,255,0));
+    background-image: -ms-linear-gradient(#f1f5f7, rgba(255,255,255,0));
+    background-image: -o-linear-gradient(#f1f5f7, rgba(255,255,255,0));
+    background-image: linear-gradient(#f1f5f7, rgba(255,255,255,0));
+    -webkit-box-shadow: inset 0 1px 0 #fff;
+    box-shadow: inset 0 1px 0 #fff;
+}
+
+.btn-twitter:hover,
+.btn-twitter:focus,
+.btn-twitter:active {
+    color: #327695;    
+    border-color: #8dc2e4;
+    background-color: #cadde9;
+}
+
+.btn-twitter:active {
+    background: #cadde9;
+    -webkit-box-shadow: inset 0 1px 0 #bbd6e7;
+    box-shadow: inset 0 1px 0 #bbd6e7;
+}
+
+/*
+ * Icon
+ */
+
+.btn-twitter:before {
+    margin: 0 0.6em 0 -0.6em;
+    background-position: -22px 0;
+}
+
+.btn-twitter.large:before {
+    background-position: -36px -22px;
+}
+</style>
+
+<?php
+if (!empty($username)) {    
+    echo('<p>Logged in as '.$username.'</p>
+    <p><a href="./signin/logout">Logout</a></p>');
+} else {
+    echo('<p>Not logged in.</p>
+    <p><a href="./signin/login/twitter" class="btn-auth btn-twitter large">Login with Twitter</a></p>
+    <p><a href="./signin/login/facebook" class="btn-auth btn-twitter large">Login with Facebook</a></p>');
+}
+?>