added socialite and some hacks via vendor sideload to add social login

sideload/socialnorm/facebook/.gitignore

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+/vendor
+composer.phar
+composer.lock
+.DS_Store

sideload/socialnorm/facebook/.travis.yml

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+language: php
+
+php:
+  - 5.5
+  - 5.6
+
+before_script:
+  - curl -s http://getcomposer.org/installer | php
+  - php composer.phar install --dev
+
+script: phpunit

sideload/socialnorm/facebook/composer.json

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+{
+    "name": "socialnorm/facebook",
+    "description": "Facebook provider for SocialNorm",
+    "authors": [
+    {
+        "name": "Adam Wathan",
+        "email": "adam.wathan@gmail.com"
+    }
+    ],
+    "license": "MIT",
+    "repositories": [
+        {
+            "type": "vcs",
+            "url": "https://github.com/adamwathan/socialnorm"
+        }
+    ],
+    "require": {
+        "php": ">=5.5.0",
+        "guzzlehttp/guzzle": "^6.0",
+        "socialnorm/socialnorm": "^0.2"
+    },
+    "require-dev": {
+        "mockery/mockery": "~0.8",
+        "phpunit/phpunit": "^4.8"
+    },
+    "autoload": {
+        "psr-4": {
+            "SocialNorm\\Facebook\\": "src/"
+        }
+    },
+    "autoload-dev": {
+        "files": [
+            "tests/TestCase.php"
+        ]
+    }
+}

sideload/socialnorm/facebook/phpunit.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit backupGlobals="false"
+         backupStaticAttributes="false"
+         bootstrap="vendor/autoload.php"
+         colors="true"
+         convertErrorsToExceptions="true"
+         convertNoticesToExceptions="true"
+         convertWarningsToExceptions="true"
+         processIsolation="false"
+         stopOnFailure="false"
+         syntaxCheck="false"
+>
+    <testsuites>
+        <testsuite name="Package Test Suite">
+            <directory suffix="Test.php">./tests/</directory>
+        </testsuite>
+    </testsuites>
+</phpunit>

sideload/socialnorm/facebook/readme.md

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+## SocialNorm Facebook Provider
+
+@todo: Add docs :)

sideload/socialnorm/facebook/src/FacebookProvider.php

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+<?php namespace SocialNorm\Facebook;
+
+use SocialNorm\Exceptions\InvalidAuthorizationCodeException;
+use SocialNorm\Providers\OAuth2Provider;
+
+class FacebookProvider extends OAuth2Provider
+{
+    protected $authorizeUrl = "https://www.facebook.com/dialog/oauth";
+    protected $accessTokenUrl = "https://graph.facebook.com/v2.4/oauth/access_token";
+    protected $userDataUrl = "https://graph.facebook.com/v2.4/me";
+    protected $scope = [
+        'email',
+    ];
+    protected $fields = [
+        'email',
+        'name',
+        'first_name',
+        'last_name',
+        'age_range',
+        'timezone',
+    ];
+
+    protected function getAuthorizeUrl()
+    {
+        return $this->authorizeUrl;
+    }
+
+    protected function getAccessTokenBaseUrl()
+    {
+        return $this->accessTokenUrl;
+    }
+
+    protected function getUserDataUrl()
+    {
+        return $this->userDataUrl;
+    }
+
+    protected function buildUserDataUrl()
+    {
+        $url = $this->getUserDataUrl();
+        $url .= "?access_token={$this->accessToken}";
+        $url .= "&fields=" . implode(',', $this->fields);
+        return $url;
+    }
+
+    protected function requestAccessToken()
+    {
+        $url = $this->getAccessTokenBaseUrl();
+        try {
+            $response = $this->httpClient->get($url, [
+                'query' => [
+                    'client_id' => $this->clientId,
+                    'client_secret' => $this->clientSecret,
+                    'redirect_uri' => $this->redirectUri(),
+                    'code' => $this->request->authorizationCode(),
+                ],
+            ]);
+        } catch (BadResponseException $e) {
+            throw new InvalidAuthorizationCodeException((string) $e->getResponse());
+        }
+        return $this->parseTokenResponse((string) $response->getBody());
+    }
+
+    protected function parseTokenResponse($response)
+    {
+        return $this->parseJsonTokenResponse($response);
+    }
+
+    protected function parseUserDataResponse($response)
+    {
+        return json_decode($response, true);
+    }
+
+    protected function userId()
+    {
+        return $this->getProviderUserData('id');
+    }
+
+    protected function nickname()
+    {
+        return $this->getProviderUserData('name');
+    }
+
+    protected function fullName()
+    {
+        return $this->getProviderUserData('name');
+    }
+
+    protected function avatar()
+    {
+        return 'https://graph.facebook.com/v2.4/'.$this->userId().'/picture';
+    }
+
+    protected function email()
+    {
+        return $this->getProviderUserData('email');
+    }
+}

sideload/socialnorm/facebook/tests/FacebookProviderTest.php

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+<?php
+
+use Mockery as M;
+use SocialNorm\Facebook\FacebookProvider;
+use SocialNorm\Request;
+
+use GuzzleHttp\HandlerStack;
+use GuzzleHttp\Psr7\Response;
+use GuzzleHttp\Handler\MockHandler;
+use GuzzleHttp\Client as HttpClient;
+
+class FacebookProviderTest extends TestCase
+{
+    private function getStubbedHttpClient($fixtures = [])
+    {
+        $mock = new MockHandler($this->createResponses($fixtures));
+        $handler = HandlerStack::create($mock);
+        return new HttpClient(['handler' => $handler]);
+    }
+
+    private function createResponses($fixtures)
+    {
+        $responses = [];
+        foreach ($fixtures as $fixture) {
+            $response = require $fixture;
+            $responses[] = new Response($response['status'], $response['headers'], $response['body']);
+        }
+
+        return $responses;
+    }
+
+    /** @test */
+    public function it_can_retrieve_a_normalized_user()
+    {
+        $client = $this->getStubbedHttpClient([
+            __DIR__ . '/_fixtures/facebook_accesstoken.php',
+            __DIR__ . '/_fixtures/facebook_user.php',
+        ]);
+
+        $provider = new FacebookProvider([
+            'client_id' => 'abcdefgh',
+            'client_secret' => '12345678',
+            'redirect_uri' => 'http://example.com/login',
+        ], $client, new Request(['code' => 'abc123']));
+
+        $user = $provider->getUser();
+
+        $this->assertEquals('187903669', $user->id);
+        $this->assertEquals('John Doe', $user->nickname);
+        $this->assertEquals('John Doe', $user->full_name);
+        $this->assertEquals('john@example.com', $user->email);
+        $this->assertEquals('https://graph.facebook.com/v2.4/187903669/picture', $user->avatar);
+        $this->assertEquals(
+            'RUXRIAxWwxVYKk3b1vrTACPUiAGImrszVsBXb2FQZZZXbd6JNzkZRAgZLCdAiCfKHrPanMTS8BAHLPqugidBcCNkUmz3y72XMZRZWw4SEGdczB2HygsA7oQOufDIbgZBtyA1KaznugApacfId5HIdZtIEh47ZLEa0BrJrBICZBf4uCWCGD5OBM40RpvTVaAux2vCv5wU9ZZzm91WAVtSC5ufoZmr3Ty',
+            $user->access_token
+        );
+    }
+
+    /**
+     * @test
+     * @expectedException SocialNorm\Exceptions\ApplicationRejectedException
+     */
+    public function it_fails_to_retrieve_a_user_when_the_authorization_code_is_omitted()
+    {
+        $client = $this->getStubbedHttpClient([
+            __DIR__ . '/_fixtures/facebook_accesstoken.php',
+            __DIR__ . '/_fixtures/facebook_user.php',
+        ]);
+
+        $provider = new FacebookProvider([
+            'client_id' => 'abcdefgh',
+            'client_secret' => '12345678',
+            'redirect_uri' => 'http://example.com/login',
+        ], $client, new Request([]));
+
+        $user = $provider->getUser();
+    }
+}

sideload/socialnorm/facebook/tests/TestCase.php

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+<?php
+
+use Mockery as M;
+
+class TestCase extends PHPUnit_Framework_TestCase
+{
+    public function tearDown()
+    {
+        M::close();
+        parent::tearDown();
+    }
+}

sideload/socialnorm/facebook/tests/_fixtures/facebook_accesstoken.php

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+<?php
+
+return [
+    'status' => 200,
+    'headers' => [
+		'Content-Type' => 'application/json; charset=UTF-8',
+		'Access-Control-Allow-Origin' => '*',
+		'X-FB-Rev' => '1669049',
+		'Pragma' => 'no-cache',
+		'Cache-Control' => 'private, no-cache, no-store, must-revalidate',
+		'Facebook-API-Version' => 'v2.3',
+		'Expires' => 'Sat, 01 Jan 2000 00:00:00 GMT',
+		'X-FB-Debug' => 'aWKI40XqPBE1YkeMX7Awln6RzgWl+JQpbYY7MWkiP2cRZ0TNadSG8rTnlHQovxjP+5fTYg1ZfkOVKsiMdJB9Jg==',
+		'Date' => 'Wed, 01 Apr 2015 12:47:40 GMT',
+		'Connection' => 'keep-alive',
+		'Content-Length' => '285'
+    ],
+    'body' => '{"access_token":"RUXRIAxWwxVYKk3b1vrTACPUiAGImrszVsBXb2FQZZZXbd6JNzkZRAgZLCdAiCfKHrPanMTS8BAHLPqugidBcCNkUmz3y72XMZRZWw4SEGdczB2HygsA7oQOufDIbgZBtyA1KaznugApacfId5HIdZtIEh47ZLEa0BrJrBICZBf4uCWCGD5OBM40RpvTVaAux2vCv5wU9ZZzm91WAVtSC5ufoZmr3Ty","token_type":"bearer","expires_in":5183288}'
+];

sideload/socialnorm/facebook/tests/_fixtures/facebook_user.php

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+<?php
+
+return [
+    'status' => 200,
+    'headers' => [
+		'Content-Type' => 'text/javascript; charset=UTF-8',
+		'Last-Modified' => '2014-12-21T00:04:42+0000',
+		'Access-Control-Allow-Origin' => '*',
+		'X-FB-Rev' => '1669049',
+		'ETag' => '"e732c03dd9c5d6f0a2aa6bb7b2e78e4e36bf5a4e"',
+		'Pragma' => 'no-cache',
+		'Cache-Control' => 'private, no-cache, no-store, must-revalidate',
+		'Facebook-API-Version' => 'v2.3',
+		'Expires' => 'Sat, 01 Jan 2000 00:00:00 GMT',
+		'X-FB-Debug' => 'WkWb9eeV7Aw1YJagx9Ffj0XzEQuDZhaUlOsNLGbf+es8H5Tq2aW4iBn6G0tUh1WRTG4Rbd+nIaTTR1Mbhz2b8Q==',
+		'Date' => 'Wed, 01 Apr 2015 12:49:00 GMT',
+		'Connection' => 'keep-alive',
+		'Content-Length' => '295'
+    ],
+    'body' => '{"id":"187903669","birthday":"03\/15\/1987","email":"john\u0040example.com","first_name":"John","gender":"male","last_name":"Doe","link":"http:\/\/www.facebook.com\/187903669","locale":"en_US","name":"John Doe","timezone":-4,"updated_time":"2014-12-21T00:04:42+0000","verified":true}'
+];