Add Google authentication

31 files changed, 3016 insertions, 0 deletions

diff --git a/vendor/OAuth/OAuth2/Service/AbstractService.php b/vendor/OAuth/OAuth2/Service/AbstractService.php
new file mode 100755
index 00000000..57dc76f2
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/AbstractService.php
@@ -0,0 +1,333 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Exception\Exception;
+use OAuth\Common\Service\AbstractService as BaseAbstractService;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+use OAuth\OAuth2\Service\Exception\InvalidAuthorizationStateException;
+use OAuth\OAuth2\Service\Exception\InvalidScopeException;
+use OAuth\OAuth2\Service\Exception\MissingRefreshTokenException;
+use OAuth\Common\Token\TokenInterface;
+use OAuth\Common\Token\Exception\ExpiredTokenException;
+
+abstract class AbstractService extends BaseAbstractService implements ServiceInterface
+{
+    /** @const OAUTH_VERSION */
+    const OAUTH_VERSION = 2;
+
+    /** @var array */
+    protected $scopes;
+
+    /** @var UriInterface|null */
+    protected $baseApiUri;
+
+    /** @var bool */
+    protected $stateParameterInAuthUrl;
+
+    /**
+     * @param CredentialsInterface  $credentials
+     * @param ClientInterface       $httpClient
+     * @param TokenStorageInterface $storage
+     * @param array                 $scopes
+     * @param UriInterface|null     $baseApiUri
+     * @param bool $stateParameterInAutUrl
+     *
+     * @throws InvalidScopeException
+     */
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null,
+        $stateParameterInAutUrl = false
+    ) {
+        parent::__construct($credentials, $httpClient, $storage);
+        $this->stateParameterInAuthUrl = $stateParameterInAutUrl;
+
+        foreach ($scopes as $scope) {
+            if (!$this->isValidScope($scope)) {
+                throw new InvalidScopeException('Scope ' . $scope . ' is not valid for service ' . get_class($this));
+            }
+        }
+
+        $this->scopes = $scopes;
+
+        $this->baseApiUri = $baseApiUri;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationUri(array $additionalParameters = array())
+    {
+        $parameters = array_merge(
+            $additionalParameters,
+            array(
+                'type'          => 'web_server',
+                'client_id'     => $this->credentials->getConsumerId(),
+                'redirect_uri'  => $this->credentials->getCallbackUrl(),
+                'response_type' => 'code',
+            )
+        );
+
+        $parameters['scope'] = implode(' ', $this->scopes);
+
+        if ($this->needsStateParameterInAuthUrl()) {
+            if (!isset($parameters['state'])) {
+                $parameters['state'] = $this->generateAuthorizationState();
+            }
+            $this->storeAuthorizationState($parameters['state']);
+        }
+
+        // Build the url
+        $url = clone $this->getAuthorizationEndpoint();
+        foreach ($parameters as $key => $val) {
+            $url->addToQuery($key, $val);
+        }
+
+        return $url;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function requestAccessToken($code, $state = null)
+    {
+        if (null !== $state) {
+            $this->validateAuthorizationState($state);
+        }
+
+        $bodyParams = array(
+            'code'          => $code,
+            'client_id'     => $this->credentials->getConsumerId(),
+            'client_secret' => $this->credentials->getConsumerSecret(),
+            'redirect_uri'  => $this->credentials->getCallbackUrl(),
+            'grant_type'    => 'authorization_code',
+        );
+
+        $responseBody = $this->httpClient->retrieveResponse(
+            $this->getAccessTokenEndpoint(),
+            $bodyParams,
+            $this->getExtraOAuthHeaders()
+        );
+
+        $token = $this->parseAccessTokenResponse($responseBody);
+        $this->storage->storeAccessToken($this->service(), $token);
+
+        return $token;
+    }
+
+    /**
+     * Sends an authenticated API request to the path provided.
+     * If the path provided is not an absolute URI, the base API Uri (must be passed into constructor) will be used.
+     *
+     * @param string|UriInterface $path
+     * @param string              $method       HTTP method
+     * @param array               $body         Request body if applicable.
+     * @param array               $extraHeaders Extra headers if applicable. These will override service-specific
+     *                                          any defaults.
+     *
+     * @return string
+     *
+     * @throws ExpiredTokenException
+     * @throws Exception
+     */
+    public function request($path, $method = 'GET', $body = null, array $extraHeaders = array())
+    {
+        $uri = $this->determineRequestUriFromPath($path, $this->baseApiUri);
+        $token = $this->storage->retrieveAccessToken($this->service());
+
+        if ($token->getEndOfLife() !== TokenInterface::EOL_NEVER_EXPIRES
+            && $token->getEndOfLife() !== TokenInterface::EOL_UNKNOWN
+            && time() > $token->getEndOfLife()
+        ) {
+            throw new ExpiredTokenException(
+                sprintf(
+                    'Token expired on %s at %s',
+                    date('m/d/Y', $token->getEndOfLife()),
+                    date('h:i:s A', $token->getEndOfLife())
+                )
+            );
+        }
+
+        // add the token where it may be needed
+        if (static::AUTHORIZATION_METHOD_HEADER_OAUTH === $this->getAuthorizationMethod()) {
+            $extraHeaders = array_merge(array('Authorization' => 'OAuth ' . $token->getAccessToken()), $extraHeaders);
+        } elseif (static::AUTHORIZATION_METHOD_QUERY_STRING === $this->getAuthorizationMethod()) {
+            $uri->addToQuery('access_token', $token->getAccessToken());
+        } elseif (static::AUTHORIZATION_METHOD_QUERY_STRING_V2 === $this->getAuthorizationMethod()) {
+            $uri->addToQuery('oauth2_access_token', $token->getAccessToken());
+        } elseif (static::AUTHORIZATION_METHOD_QUERY_STRING_V3 === $this->getAuthorizationMethod()) {
+            $uri->addToQuery('apikey', $token->getAccessToken());
+        } elseif (static::AUTHORIZATION_METHOD_HEADER_BEARER === $this->getAuthorizationMethod()) {
+            $extraHeaders = array_merge(array('Authorization' => 'Bearer ' . $token->getAccessToken()), $extraHeaders);
+        }
+
+        $extraHeaders = array_merge($this->getExtraApiHeaders(), $extraHeaders);
+
+        return $this->httpClient->retrieveResponse($uri, $body, $extraHeaders, $method);
+    }
+
+    /**
+     * Accessor to the storage adapter to be able to retrieve tokens
+     *
+     * @return TokenStorageInterface
+     */
+    public function getStorage()
+    {
+        return $this->storage;
+    }
+
+    /**
+     * Refreshes an OAuth2 access token.
+     *
+     * @param TokenInterface $token
+     *
+     * @return TokenInterface $token
+     *
+     * @throws MissingRefreshTokenException
+     */
+    public function refreshAccessToken(TokenInterface $token)
+    {
+        $refreshToken = $token->getRefreshToken();
+
+        if (empty($refreshToken)) {
+            throw new MissingRefreshTokenException();
+        }
+
+        $parameters = array(
+            'grant_type'    => 'refresh_token',
+            'type'          => 'web_server',
+            'client_id'     => $this->credentials->getConsumerId(),
+            'client_secret' => $this->credentials->getConsumerSecret(),
+            'refresh_token' => $refreshToken,
+        );
+
+        $responseBody = $this->httpClient->retrieveResponse(
+            $this->getAccessTokenEndpoint(),
+            $parameters,
+            $this->getExtraOAuthHeaders()
+        );
+        $token = $this->parseAccessTokenResponse($responseBody);
+        $this->storage->storeAccessToken($this->service(), $token);
+
+        return $token;
+    }
+
+    /**
+     * Return whether or not the passed scope value is valid.
+     *
+     * @param string $scope
+     *
+     * @return bool
+     */
+    public function isValidScope($scope)
+    {
+        $reflectionClass = new \ReflectionClass(get_class($this));
+
+        return in_array($scope, $reflectionClass->getConstants(), true);
+    }
+
+    /**
+     * Check if the given service need to generate a unique state token to build the authorization url
+     *
+     * @return bool
+     */
+    public function needsStateParameterInAuthUrl()
+    {
+        return $this->stateParameterInAuthUrl;
+    }
+
+    /**
+     * Validates the authorization state against a given one
+     *
+     * @param string $state
+     * @throws InvalidAuthorizationStateException
+     */
+    protected function validateAuthorizationState($state)
+    {
+        if ($this->retrieveAuthorizationState() !== $state) {
+            throw new InvalidAuthorizationStateException();
+        }
+    }
+
+    /**
+     * Generates a random string to be used as state
+     *
+     * @return string
+     */
+    protected function generateAuthorizationState()
+    {
+        return md5(rand());
+    }
+
+    /**
+     * Retrieves the authorization state for the current service
+     *
+     * @return string
+     */
+    protected function retrieveAuthorizationState()
+    {
+        return $this->storage->retrieveAuthorizationState($this->service());
+    }
+
+    /**
+     * Stores a given authorization state into the storage
+     *
+     * @param string $state
+     */
+    protected function storeAuthorizationState($state)
+    {
+        $this->storage->storeAuthorizationState($this->service(), $state);
+    }
+
+    /**
+     * Return any additional headers always needed for this service implementation's OAuth calls.
+     *
+     * @return array
+     */
+    protected function getExtraOAuthHeaders()
+    {
+        return array();
+    }
+
+    /**
+     * Return any additional headers always needed for this service implementation's API calls.
+     *
+     * @return array
+     */
+    protected function getExtraApiHeaders()
+    {
+        return array();
+    }
+
+    /**
+     * Parses the access token response and returns a TokenInterface.
+     *
+     * @abstract
+     *
+     * @param string $responseBody
+     *
+     * @return TokenInterface
+     *
+     * @throws TokenResponseException
+     */
+    abstract protected function parseAccessTokenResponse($responseBody);
+
+    /**
+     * Returns a class constant from ServiceInterface defining the authorization method used for the API
+     * Header is the sane default.
+     *
+     * @return int
+     */
+    protected function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_HEADER_OAUTH;
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Amazon.php b/vendor/OAuth/OAuth2/Service/Amazon.php
new file mode 100755
index 00000000..035d1a55
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Amazon.php
@@ -0,0 +1,97 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+/**
+ * Amazon service.
+ *
+ * @author Flávio Heleno <flaviohbatista@gmail.com>
+ * @link https://images-na.ssl-images-amazon.com/images/G/01/lwa/dev/docs/website-developer-guide._TTH_.pdf
+ */
+class Amazon extends AbstractService
+{
+    /**
+     * Defined scopes
+     * @link https://images-na.ssl-images-amazon.com/images/G/01/lwa/dev/docs/website-developer-guide._TTH_.pdf
+     */
+    const SCOPE_PROFILE     = 'profile';
+    const SCOPE_POSTAL_CODE = 'postal_code';
+
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://api.amazon.com/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://www.amazon.com/ap/oa');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://www.amazon.com/ap/oatoken');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_HEADER_BEARER;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error_description'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error_description'] . '"');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+        $token->setLifeTime($data['expires_in']);
+
+        if (isset($data['refresh_token'])) {
+            $token->setRefreshToken($data['refresh_token']);
+            unset($data['refresh_token']);
+        }
+
+        unset($data['access_token']);
+        unset($data['expires_in']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Bitly.php b/vendor/OAuth/OAuth2/Service/Bitly.php
new file mode 100755
index 00000000..e01cbc42
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Bitly.php
@@ -0,0 +1,111 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+class Bitly extends AbstractService
+{
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://api-ssl.bitly.com/v3/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://bitly.com/oauth/authorize');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://api-ssl.bitly.com/oauth/access_token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_QUERY_STRING;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+        // I'm invincible!!!
+        $token->setEndOfLife(StdOAuth2Token::EOL_NEVER_EXPIRES);
+        unset($data['access_token']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function requestAccessToken($code, $state = null)
+    {
+        if (null !== $state) {
+            $this->validateAuthorizationState($state);
+        }
+
+        $bodyParams = array(
+            'code'          => $code,
+            'client_id'     => $this->credentials->getConsumerId(),
+            'client_secret' => $this->credentials->getConsumerSecret(),
+            'redirect_uri'  => $this->credentials->getCallbackUrl(),
+            'grant_type'    => 'authorization_code',
+        );
+
+        $responseBody = $this->httpClient->retrieveResponse(
+            $this->getAccessTokenEndpoint(),
+            $bodyParams,
+            $this->getExtraOAuthHeaders()
+        );
+
+        // we can scream what we want that we want bitly to return a json encoded string (format=json), but the
+        // WOAH WATCH YOUR LANGUAGE ;) service doesn't seem to like screaming, hence we need to manually
+        // parse the result
+        $parsedResult = array();
+        parse_str($responseBody, $parsedResult);
+
+        $token = $this->parseAccessTokenResponse(json_encode($parsedResult));
+        $this->storage->storeAccessToken($this->service(), $token);
+
+        return $token;
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Box.php b/vendor/OAuth/OAuth2/Service/Box.php
new file mode 100755
index 00000000..14696c59
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Box.php
@@ -0,0 +1,88 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+/**
+ * Box service.
+ *
+ * @author Antoine Corcy <contact@sbin.dk>
+ * @link https://developers.box.com/oauth/
+ */
+class Box extends AbstractService
+{
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri, true);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://api.box.com/2.0/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://www.box.com/api/oauth2/authorize');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://www.box.com/api/oauth2/token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_HEADER_BEARER;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+        $token->setLifeTime($data['expires_in']);
+
+        if (isset($data['refresh_token'])) {
+            $token->setRefreshToken($data['refresh_token']);
+            unset($data['refresh_token']);
+        }
+
+        unset($data['access_token']);
+        unset($data['expires_in']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Dailymotion.php b/vendor/OAuth/OAuth2/Service/Dailymotion.php
new file mode 100755
index 00000000..095a467f
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Dailymotion.php
@@ -0,0 +1,129 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+/**
+ * Dailymotion service.
+ *
+ * @author Mouhamed SEYE <mouhamed@seye.pro>
+ * @link http://www.dailymotion.com/doc/api/authentication.html
+ */
+class Dailymotion extends AbstractService
+{
+    /**
+     * Scopes
+     *
+     * @var string
+     */
+    const SCOPE_EMAIL         = 'email',
+          SCOPE_PROFILE       = 'userinfo',
+          SCOPE_VIDEOS        = 'manage_videos',
+          SCOPE_COMMENTS      = 'manage_comments',
+          SCOPE_PLAYLIST      = 'manage_playlists',
+          SCOPE_TILES         = 'manage_tiles',
+          SCOPE_SUBSCRIPTIONS = 'manage_subscriptions',
+          SCOPE_FRIENDS       = 'manage_friends',
+          SCOPE_FAVORITES     = 'manage_favorites',
+          SCOPE_GROUPS        = 'manage_groups';
+
+    /**
+     * Dialog form factors
+     *
+     * @var string
+     */
+    const DISPLAY_PAGE   = 'page',
+          DISPLAY_POPUP  = 'popup',
+          DISPLAY_MOBILE = 'mobile';
+
+    /**
+    * {@inheritdoc}
+    */
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://api.dailymotion.com/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://api.dailymotion.com/oauth/authorize');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://api.dailymotion.com/oauth/token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_HEADER_OAUTH;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error_description']) || isset($data['error'])) {
+            throw new TokenResponseException(
+                sprintf(
+                    'Error in retrieving token: "%s"',
+                    isset($data['error_description']) ? $data['error_description'] : $data['error']
+                )
+            );
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+        $token->setLifeTime($data['expires_in']);
+
+        if (isset($data['refresh_token'])) {
+            $token->setRefreshToken($data['refresh_token']);
+            unset($data['refresh_token']);
+        }
+
+        unset($data['access_token']);
+        unset($data['expires_in']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getExtraOAuthHeaders()
+    {
+        return array('Accept' => 'application/json');
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Dropbox.php b/vendor/OAuth/OAuth2/Service/Dropbox.php
new file mode 100755
index 00000000..43ec6c7f
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Dropbox.php
@@ -0,0 +1,111 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+/**
+ * Dropbox service.
+ *
+ * @author Flávio Heleno <flaviohbatista@gmail.com>
+ * @link https://www.dropbox.com/developers/core/docs
+ */
+class Dropbox extends AbstractService
+{
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://api.dropbox.com/1/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationUri(array $additionalParameters = array())
+    {
+        $parameters = array_merge(
+            $additionalParameters,
+            array(
+                'client_id'     => $this->credentials->getConsumerId(),
+                'redirect_uri'  => $this->credentials->getCallbackUrl(),
+                'response_type' => 'code',
+            )
+        );
+
+        $parameters['scope'] = implode(' ', $this->scopes);
+
+        // Build the url
+        $url = clone $this->getAuthorizationEndpoint();
+        foreach ($parameters as $key => $val) {
+            $url->addToQuery($key, $val);
+        }
+
+        return $url;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://www.dropbox.com/1/oauth2/authorize');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://api.dropbox.com/1/oauth2/token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_QUERY_STRING;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+
+        if (isset($data['refresh_token'])) {
+            $token->setRefreshToken($data['refresh_token']);
+            unset($data['refresh_token']);
+        }
+
+        unset($data['access_token']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Exception/InvalidAccessTypeException.php b/vendor/OAuth/OAuth2/Service/Exception/InvalidAccessTypeException.php
new file mode 100755
index 00000000..398df2fd
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Exception/InvalidAccessTypeException.php
@@ -0,0 +1,12 @@
+<?php
+
+namespace OAuth\OAuth2\Service\Exception;
+
+use OAuth\Common\Exception\Exception;
+
+/**
+ * Exception thrown when an invalid accessType for the Google Service is specified
+ */
+class InvalidAccessTypeException extends Exception
+{
+}
diff --git a/vendor/OAuth/OAuth2/Service/Exception/InvalidAuthorizationStateException.php b/vendor/OAuth/OAuth2/Service/Exception/InvalidAuthorizationStateException.php
new file mode 100755
index 00000000..fe9d550a
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Exception/InvalidAuthorizationStateException.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace OAuth\OAuth2\Service\Exception;
+
+/**
+ * Exception thrown when the state parameter received during the authorization process is invalid.
+ */
+class InvalidAuthorizationStateException extends \Exception
+{
+}
diff --git a/vendor/OAuth/OAuth2/Service/Exception/InvalidScopeException.php b/vendor/OAuth/OAuth2/Service/Exception/InvalidScopeException.php
new file mode 100755
index 00000000..c6a51c88
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Exception/InvalidScopeException.php
@@ -0,0 +1,17 @@
+<?php
+
+/**
+ * @author David Desberg <david@daviddesberg.com>
+ * Released under the MIT license.
+ */
+
+namespace OAuth\OAuth2\Service\Exception;
+
+use OAuth\Common\Exception\Exception;
+
+/**
+ * Exception thrown when a scope provided to a service is invalid.
+ */
+class InvalidScopeException extends Exception
+{
+}
diff --git a/vendor/OAuth/OAuth2/Service/Exception/MissingRefreshTokenException.php b/vendor/OAuth/OAuth2/Service/Exception/MissingRefreshTokenException.php
new file mode 100755
index 00000000..21eece6a
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Exception/MissingRefreshTokenException.php
@@ -0,0 +1,17 @@
+<?php
+
+/**
+ * @author David Desberg <david@daviddesberg.com>
+ * Released under the MIT license.
+ */
+
+namespace OAuth\OAuth2\Service\Exception;
+
+use OAuth\Common\Exception\Exception;
+
+/**
+ * Exception thrown when service is requested to refresh the access token but no refresh token can be found.
+ */
+class MissingRefreshTokenException extends Exception
+{
+}
diff --git a/vendor/OAuth/OAuth2/Service/Facebook.php b/vendor/OAuth/OAuth2/Service/Facebook.php
new file mode 100755
index 00000000..80b25c05
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Facebook.php
@@ -0,0 +1,193 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\Common\Exception\Exception;
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+class Facebook extends AbstractService
+{
+    /**
+     * Facebook www url - used to build dialog urls
+     */
+    const WWW_URL = 'https://www.facebook.com/';
+
+    /**
+     * Defined scopes
+     *
+     * If you don't think this is scary you should not be allowed on the web at all
+     *
+     * @link https://developers.facebook.com/docs/reference/login/
+     * @link https://developers.facebook.com/tools/explorer For a list of permissions use 'Get Access Token'
+     */
+    // email scopes
+    const SCOPE_EMAIL                         = 'email';
+    // extended permissions
+    const SCOPE_READ_FRIENDLIST               = 'read_friendlists';
+    const SCOPE_READ_INSIGHTS                 = 'read_insights';
+    const SCOPE_READ_MAILBOX                  = 'read_mailbox';
+    const SCOPE_READ_PAGE_MAILBOXES           = 'read_page_mailboxes';
+    const SCOPE_READ_REQUESTS                 = 'read_requests';
+    const SCOPE_READ_STREAM                   = 'read_stream';
+    const SCOPE_VIDEO_UPLOAD                  = 'video_upload';
+    const SCOPE_XMPP_LOGIN                    = 'xmpp_login';
+    const SCOPE_USER_ONLINE_PRESENCE          = 'user_online_presence';
+    const SCOPE_FRIENDS_ONLINE_PRESENCE       = 'friends_online_presence';
+    const SCOPE_ADS_MANAGEMENT                = 'ads_management';
+    const SCOPE_ADS_READ                      = 'ads_read';
+    const SCOPE_CREATE_EVENT                  = 'create_event';
+    const SCOPE_CREATE_NOTE                   = 'create_note';
+    const SCOPE_EXPORT_STREAM                 = 'export_stream';
+    const SCOPE_MANAGE_FRIENDLIST             = 'manage_friendlists';
+    const SCOPE_MANAGE_NOTIFICATIONS          = 'manage_notifications';
+    const SCOPE_PHOTO_UPLOAD                  = 'photo_upload';
+    const SCOPE_PUBLISH_ACTIONS               = 'publish_actions';
+    const SCOPE_PUBLISH_CHECKINS              = 'publish_checkins';
+    const SCOPE_PUBLISH_STREAM                = 'publish_stream';
+    const SCOPE_RSVP_EVENT                    = 'rsvp_event';
+    const SCOPE_SHARE_ITEM                    = 'share_item';
+    const SCOPE_SMS                           = 'sms';
+    const SCOPE_STATUS_UPDATE                 = 'status_update';
+    // Extended Profile Properties
+    const SCOPE_USER_FRIENDS                  = 'user_friends';
+    const SCOPE_USER_ABOUT                    = 'user_about_me';
+    const SCOPE_FRIENDS_ABOUT                 = 'friends_about_me';
+    const SCOPE_USER_ACTIVITIES               = 'user_activities';
+    const SCOPE_FRIENDS_ACTIVITIES            = 'friends_activities';
+    const SCOPE_USER_BIRTHDAY                 = 'user_birthday';
+    const SCOPE_FRIENDS_BIRTHDAY              = 'friends_birthday';
+    const SCOPE_USER_CHECKINS                 = 'user_checkins';
+    const SCOPE_FRIENDS_CHECKINS              = 'friends_checkins';
+    const SCOPE_USER_EDUCATION                = 'user_education_history';
+    const SCOPE_FRIENDS_EDUCATION             = 'friends_education_history';
+    const SCOPE_USER_EVENTS                   = 'user_events';
+    const SCOPE_FRIENDS_EVENTS                = 'friends_events';
+    const SCOPE_USER_GROUPS                   = 'user_groups';
+    const SCOPE_FRIENDS_GROUPS                = 'friends_groups';
+    const SCOPE_USER_HOMETOWN                 = 'user_hometown';
+    const SCOPE_FRIENDS_HOMETOWN              = 'friends_hometown';
+    const SCOPE_USER_INTERESTS                = 'user_interests';
+    const SCOPE_FRIEND_INTERESTS              = 'friends_interests';
+    const SCOPE_USER_LIKES                    = 'user_likes';
+    const SCOPE_FRIENDS_LIKES                 = 'friends_likes';
+    const SCOPE_USER_LOCATION                 = 'user_location';
+    const SCOPE_FRIENDS_LOCATION              = 'friends_location';
+    const SCOPE_USER_NOTES                    = 'user_notes';
+    const SCOPE_FRIENDS_NOTES                 = 'friends_notes';
+    const SCOPE_USER_PHOTOS                   = 'user_photos';
+    const SCOPE_USER_PHOTO_VIDEO_TAGS         = 'user_photo_video_tags';
+    const SCOPE_FRIENDS_PHOTOS                = 'friends_photos';
+    const SCOPE_FRIENDS_PHOTO_VIDEO_TAGS      = 'friends_photo_video_tags';
+    const SCOPE_USER_QUESTIONS                = 'user_questions';
+    const SCOPE_FRIENDS_QUESTIONS             = 'friends_questions';
+    const SCOPE_USER_RELATIONSHIPS            = 'user_relationships';
+    const SCOPE_FRIENDS_RELATIONSHIPS         = 'friends_relationships';
+    const SCOPE_USER_RELATIONSHIPS_DETAILS    = 'user_relationship_details';
+    const SCOPE_FRIENDS_RELATIONSHIPS_DETAILS = 'friends_relationship_details';
+    const SCOPE_USER_RELIGION                 = 'user_religion_politics';
+    const SCOPE_FRIENDS_RELIGION              = 'friends_religion_politics';
+    const SCOPE_USER_STATUS                   = 'user_status';
+    const SCOPE_FRIENDS_STATUS                = 'friends_status';
+    const SCOPE_USER_SUBSCRIPTIONS            = 'user_subscriptions';
+    const SCOPE_FRIENDS_SUBSCRIPTIONS         = 'friends_subscriptions';
+    const SCOPE_USER_VIDEOS                   = 'user_videos';
+    const SCOPE_FRIENDS_VIDEOS                = 'friends_videos';
+    const SCOPE_USER_WEBSITE                  = 'user_website';
+    const SCOPE_FRIENDS_WEBSITE               = 'friends_website';
+    const SCOPE_USER_WORK                     = 'user_work_history';
+    const SCOPE_FRIENDS_WORK                  = 'friends_work_history';
+    // Open Graph Permissions
+    const SCOPE_USER_MUSIC                    = 'user_actions.music';
+    const SCOPE_FRIENDS_MUSIC                 = 'friends_actions.music';
+    const SCOPE_USER_NEWS                     = 'user_actions.news';
+    const SCOPE_FRIENDS_NEWS                  = 'friends_actions.news';
+    const SCOPE_USER_VIDEO                    = 'user_actions.video';
+    const SCOPE_FRIENDS_VIDEO                 = 'friends_actions.video';
+    const SCOPE_USER_APP                      = 'user_actions:APP_NAMESPACE';
+    const SCOPE_FRIENDS_APP                   = 'friends_actions:APP_NAMESPACE';
+    const SCOPE_USER_GAMES                    = 'user_games_activity';
+    const SCOPE_FRIENDS_GAMES                 = 'friends_games_activity';
+    //Page Permissions
+    const SCOPE_PAGES                         = 'manage_pages';
+
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://graph.facebook.com/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://www.facebook.com/dialog/oauth');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://graph.facebook.com/oauth/access_token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        // Facebook gives us a query string ... Oh wait. JSON is too simple, understand ?
+        parse_str($responseBody, $data);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+        
+        if (isset($data['expires'])) {
+            $token->setLifeTime($data['expires']);
+        }
+
+        if (isset($data['refresh_token'])) {
+            $token->setRefreshToken($data['refresh_token']);
+            unset($data['refresh_token']);
+        }
+
+        unset($data['access_token']);
+        unset($data['expires']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+
+    public function getDialogUri($dialogPath, array $parameters)
+    {
+        if (!isset($parameters['redirect_uri'])) {
+            throw new Exception("Redirect uri is mandatory for this request");
+        }
+        $parameters['app_id'] = $this->credentials->getConsumerId();
+        $baseUrl = self::WWW_URL . 'dialog/' . $dialogPath;
+        $query = http_build_query($parameters);
+        return new Uri($baseUrl . '?' . $query);
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Foursquare.php b/vendor/OAuth/OAuth2/Service/Foursquare.php
new file mode 100755
index 00000000..fdbabf98
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Foursquare.php
@@ -0,0 +1,81 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+class Foursquare extends AbstractService
+{
+    private $apiVersionDate = '20130829';
+
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://api.foursquare.com/v2/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://foursquare.com/oauth2/authenticate');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://foursquare.com/oauth2/access_token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+        // Foursquare tokens evidently never expire...
+        $token->setEndOfLife(StdOAuth2Token::EOL_NEVER_EXPIRES);
+        unset($data['access_token']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function request($path, $method = 'GET', $body = null, array $extraHeaders = array())
+    {
+        $uri = new Uri($this->baseApiUri . $path);
+        $uri->addToQuery('v', $this->apiVersionDate);
+
+        return parent::request($uri, $method, $body, $extraHeaders);
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/GitHub.php b/vendor/OAuth/OAuth2/Service/GitHub.php
new file mode 100755
index 00000000..3791a275
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/GitHub.php
@@ -0,0 +1,171 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+class GitHub extends AbstractService
+{
+    /**
+     * Defined scopes, see http://developer.github.com/v3/oauth/ for definitions.
+     */
+
+    /**
+     * Public read-only access (includes public user profile info, public repo info, and gists)
+     */
+    const SCOPE_READONLY = '';
+
+    /**
+     * Read/write access to profile info only.
+     *
+     * Includes SCOPE_USER_EMAIL and SCOPE_USER_FOLLOW.
+     */
+    const SCOPE_USER = 'user';
+
+    /**
+     * Read access to a user’s email addresses.
+     */
+    const SCOPE_USER_EMAIL = 'user:email';
+
+    /**
+     * Access to follow or unfollow other users.
+     */
+    const SCOPE_USER_FOLLOW = 'user:follow';
+
+    /**
+     * Read/write access to public repos and organizations.
+     */
+    const SCOPE_PUBLIC_REPO = 'public_repo';
+
+    /**
+     * Read/write access to public and private repos and organizations.
+     *
+     * Includes SCOPE_REPO_STATUS.
+     */
+    const SCOPE_REPO = 'repo';
+
+    /**
+     * Read/write access to public and private repository commit statuses. This scope is only necessary to grant other
+     * users or services access to private repository commit statuses without granting access to the code. The repo and
+     * public_repo scopes already include access to commit status for private and public repositories, respectively.
+     */
+    const SCOPE_REPO_STATUS = 'repo:status';
+
+    /**
+     * Delete access to adminable repositories.
+     */
+    const SCOPE_DELETE_REPO = 'delete_repo';
+
+    /**
+     * Read access to a user’s notifications. repo is accepted too.
+     */
+    const SCOPE_NOTIFICATIONS = 'notifications';
+
+    /**
+     * Write access to gists.
+     */
+    const SCOPE_GIST = 'gist';
+    
+    /**
+     * Grants read and ping access to hooks in public or private repositories.
+     */
+    const SCOPE_HOOKS_READ = 'read:repo_hook';
+    
+    /**
+     * Grants read, write, and ping access to hooks in public or private repositories.
+     */
+    const SCOPE_HOOKS_WRITE = 'write:repo_hook';
+    
+    /**
+     * Grants read, write, ping, and delete access to hooks in public or private repositories.
+     */
+    const SCOPE_HOOKS_ADMIN = 'admin:repo_hook';
+
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://api.github.com/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://github.com/login/oauth/authorize');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://github.com/login/oauth/access_token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_QUERY_STRING;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+        // Github tokens evidently never expire...
+        $token->setEndOfLife(StdOAuth2Token::EOL_NEVER_EXPIRES);
+        unset($data['access_token']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+
+    /**
+     * Used to configure response type -- we want JSON from github, default is query string format
+     *
+     * @return array
+     */
+    protected function getExtraOAuthHeaders()
+    {
+        return array('Accept' => 'application/json');
+    }
+
+    /**
+     * Required for GitHub API calls.
+     *
+     * @return array
+     */
+    protected function getExtraApiHeaders()
+    {
+        return array('Accept' => 'application/vnd.github.beta+json');
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Google.php b/vendor/OAuth/OAuth2/Service/Google.php
new file mode 100755
index 00000000..fbfc1f29
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Google.php
@@ -0,0 +1,152 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\OAuth2\Service\Exception\InvalidAccessTypeException;
+use OAuth\Common\Http\Uri\Uri;
+
+class Google extends AbstractService
+{
+    /**
+     * Defined scopes - More scopes are listed here:
+     * https://developers.google.com/oauthplayground/
+     *
+     * Make a pull request if you need more scopes.
+     */
+
+    // Basic
+    const SCOPE_EMAIL                       = 'email';
+    const SCOPE_PROFILE                     = 'profile';
+
+    const SCOPE_USERINFO_EMAIL              = 'https://www.googleapis.com/auth/userinfo.email';
+    const SCOPE_USERINFO_PROFILE            = 'https://www.googleapis.com/auth/userinfo.profile';
+
+    // Google+
+    const SCOPE_GPLUS_ME                    = 'https://www.googleapis.com/auth/plus.me';
+    const SCOPE_GPLUS_LOGIN                 = 'https://www.googleapis.com/auth/plus.login';
+
+    // Google Drive
+    const SCOPE_DOCUMENTSLIST               = 'https://docs.google.com/feeds/';
+    const SCOPE_SPREADSHEETS                = 'https://spreadsheets.google.com/feeds/';
+    const SCOPE_GOOGLEDRIVE                 = 'https://www.googleapis.com/auth/drive';
+    const SCOPE_DRIVE_APPS                  = 'https://www.googleapis.com/auth/drive.appdata';
+    const SCOPE_DRIVE_APPS_READ_ONLY        = 'https://www.googleapis.com/auth/drive.apps.readonly';
+    const SCOPE_GOOGLEDRIVE_FILES           = 'https://www.googleapis.com/auth/drive.file';
+    const SCOPE_DRIVE_METADATA_READ_ONLY    = 'https://www.googleapis.com/auth/drive.metadata.readonly';
+    const SCOPE_DRIVE_READ_ONLY             = 'https://www.googleapis.com/auth/drive.readonly';
+    const SCOPE_DRIVE_SCRIPTS               = 'https://www.googleapis.com/auth/drive.scripts';
+
+    // Adwords
+    const SCOPE_ADSENSE                     = 'https://www.googleapis.com/auth/adsense';
+    const SCOPE_ADWORDS                     = 'https://adwords.google.com/api/adwords/';
+    const SCOPE_GAN                         = 'https://www.googleapis.com/auth/gan'; // google affiliate network...?
+
+    // Google Analytics
+    const SCOPE_ANALYTICS                   = 'https://www.googleapis.com/auth/analytics';
+    const SCOPE_ANALYTICS_EDIT              = 'https://www.googleapis.com/auth/analytics.edit';
+    const SCOPE_ANALYTICS_MANAGE_USERS      = 'https://www.googleapis.com/auth/analytics.manage.users';
+    const SCOPE_ANALYTICS_READ_ONLY         = 'https://www.googleapis.com/auth/analytics.readonly';
+
+    // Other services
+    const SCOPE_BOOKS                       = 'https://www.googleapis.com/auth/books';
+    const SCOPE_BLOGGER                     = 'https://www.googleapis.com/auth/blogger';
+    const SCOPE_CALENDAR                    = 'https://www.googleapis.com/auth/calendar';
+    const SCOPE_CALENDAR_READ_ONLY          = 'https://www.googleapis.com/auth/calendar.readonly';
+    const SCOPE_CONTACT                     = 'https://www.google.com/m8/feeds/';
+    const SCOPE_CHROMEWEBSTORE              = 'https://www.googleapis.com/auth/chromewebstore.readonly';
+    const SCOPE_GMAIL                       = 'https://mail.google.com/mail/feed/atom';
+    const SCOPE_PICASAWEB                   = 'https://picasaweb.google.com/data/';
+    const SCOPE_SITES                       = 'https://sites.google.com/feeds/';
+    const SCOPE_URLSHORTENER                = 'https://www.googleapis.com/auth/urlshortener';
+    const SCOPE_WEBMASTERTOOLS              = 'https://www.google.com/webmasters/tools/feeds/';
+    const SCOPE_TASKS                       = 'https://www.googleapis.com/auth/tasks';
+
+    // Cloud services
+    const SCOPE_CLOUDSTORAGE                = 'https://www.googleapis.com/auth/devstorage.read_write';
+    const SCOPE_CONTENTFORSHOPPING          = 'https://www.googleapis.com/auth/structuredcontent'; // what even is this
+    const SCOPE_USER_PROVISIONING           = 'https://apps-apis.google.com/a/feeds/user/';
+    const SCOPE_GROUPS_PROVISIONING         = 'https://apps-apis.google.com/a/feeds/groups/';
+    const SCOPE_NICKNAME_PROVISIONING       = 'https://apps-apis.google.com/a/feeds/alias/';
+
+    // Old
+    const SCOPE_ORKUT                       = 'https://www.googleapis.com/auth/orkut';
+    const SCOPE_GOOGLELATITUDE =
+        'https://www.googleapis.com/auth/latitude.all.best https://www.googleapis.com/auth/latitude.all.city';
+    const SCOPE_OPENID                      = 'openid';
+
+    // YouTube
+    const SCOPE_YOUTUBE_GDATA               = 'https://gdata.youtube.com';
+    const SCOPE_YOUTUBE_ANALYTICS_MONETARY  = 'https://www.googleapis.com/auth/yt-analytics-monetary.readonly';
+    const SCOPE_YOUTUBE_ANALYTICS           = 'https://www.googleapis.com/auth/yt-analytics.readonly';
+    const SCOPE_YOUTUBE                     = 'https://www.googleapis.com/auth/youtube';
+    const SCOPE_YOUTUBE_READ_ONLY           = 'https://www.googleapis.com/auth/youtube.readonly';
+    const SCOPE_YOUTUBE_UPLOAD              = 'https://www.googleapis.com/auth/youtube.upload';
+    const SCOPE_YOUTUBE_PATNER              = 'https://www.googleapis.com/auth/youtubepartner';
+    const SCOPE_YOUTUBE_PARTNER_EDIT        = 'https://www.googleapis.com/auth/youtubepartner-channel-edit';
+
+    // Google Glass
+    const SCOPE_GLASS_TIMELINE              = 'https://www.googleapis.com/auth/glass.timeline';
+    const SCOPE_GLASS_LOCATION              = 'https://www.googleapis.com/auth/glass.location';
+
+    // Android Publisher
+    const SCOPE_ANDROID_PUBLISHER           = 'https://www.googleapis.com/auth/androidpublisher';
+
+    protected $accessType = 'online';
+
+
+    public function setAccessType($accessType)
+    {
+        if (!in_array($accessType, array('online', 'offline'), true)) {
+            throw new InvalidAccessTypeException('Invalid accessType, expected either online or offline');
+        }
+        $this->accessType = $accessType;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://accounts.google.com/o/oauth2/auth?access_type=' . $this->accessType);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://accounts.google.com/o/oauth2/token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+        $token->setLifetime($data['expires_in']);
+
+        if (isset($data['refresh_token'])) {
+            $token->setRefreshToken($data['refresh_token']);
+            unset($data['refresh_token']);
+        }
+
+        unset($data['access_token']);
+        unset($data['expires_in']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Harvest.php b/vendor/OAuth/OAuth2/Service/Harvest.php
new file mode 100755
index 00000000..86e8993c
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Harvest.php
@@ -0,0 +1,85 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+class Harvest extends AbstractService
+{
+
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://api.github.com/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://api.harvestapp.com/oauth2/authorize');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://api.harvestapp.com/oauth2/token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_QUERY_STRING;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || ! is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+        $token->setEndOfLife($data['expires_in']);
+
+        unset($data['access_token']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+
+    /**
+     * @return array
+     */
+    protected function getExtraOAuthHeaders()
+    {
+        return array('Accept' => 'application/json');
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Heroku.php b/vendor/OAuth/OAuth2/Service/Heroku.php
new file mode 100755
index 00000000..470cedc3
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Heroku.php
@@ -0,0 +1,123 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+/**
+ * Heroku service.
+ *
+ * @author Thomas Welton <thomaswelton@me.com>
+ * @link https://devcenter.heroku.com/articles/oauth
+ */
+class Heroku extends AbstractService
+{
+    /**
+     * Defined scopes
+     * @link https://devcenter.heroku.com/articles/oauth#scopes
+     */
+    const SCOPE_GLOBAL          = 'global';
+    const SCOPE_IDENTITY        = 'identity';
+    const SCOPE_READ            = 'read';
+    const SCOPE_WRITE           = 'write';
+    const SCOPE_READ_PROTECTED  = 'read-protected';
+    const SCOPE_WRITE_PROTECTED = 'write-protected';
+
+    /**
+    * {@inheritdoc}
+    */
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://api.heroku.com/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://id.heroku.com/oauth/authorize');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://id.heroku.com/oauth/token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_HEADER_BEARER;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error_description']) || isset($data['error'])) {
+            throw new TokenResponseException(
+                sprintf(
+                    'Error in retrieving token: "%s"',
+                    isset($data['error_description']) ? $data['error_description'] : $data['error']
+                )
+            );
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+        $token->setLifeTime($data['expires_in']);
+
+        if (isset($data['refresh_token'])) {
+            $token->setRefreshToken($data['refresh_token']);
+            unset($data['refresh_token']);
+        }
+
+        unset($data['access_token']);
+        unset($data['expires_in']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getExtraOAuthHeaders()
+    {
+        return array('Accept' => 'application/vnd.heroku+json; version=3');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getExtraApiHeaders()
+    {
+        return array('Accept' => 'application/vnd.heroku+json; version=3', 'Content-Type' => 'application/json');
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Instagram.php b/vendor/OAuth/OAuth2/Service/Instagram.php
new file mode 100755
index 00000000..49e9c8c9
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Instagram.php
@@ -0,0 +1,85 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+class Instagram extends AbstractService
+{
+    /**
+     * Defined scopes
+     * @link http://instagram.com/developer/authentication/#scope
+     */
+    const SCOPE_BASIC         = 'basic';
+    const SCOPE_COMMENTS      = 'comments';
+    const SCOPE_RELATIONSHIPS = 'relationships';
+    const SCOPE_LIKES         = 'likes';
+
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://api.instagram.com/v1/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://api.instagram.com/oauth/authorize/');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://api.instagram.com/oauth/access_token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_QUERY_STRING;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+        // Instagram tokens evidently never expire...
+        $token->setEndOfLife(StdOAuth2Token::EOL_NEVER_EXPIRES);
+        unset($data['access_token']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Linkedin.php b/vendor/OAuth/OAuth2/Service/Linkedin.php
new file mode 100755
index 00000000..bb801e6a
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Linkedin.php
@@ -0,0 +1,102 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+/**
+ * Linkedin service.
+ *
+ * @author Antoine Corcy <contact@sbin.dk>
+ * @link http://developer.linkedin.com/documents/authentication
+ */
+class Linkedin extends AbstractService
+{
+    /**
+     * Defined scopes
+     * @link http://developer.linkedin.com/documents/authentication#granting
+     */
+    const SCOPE_R_BASICPROFILE      = 'r_basicprofile';
+    const SCOPE_R_FULLPROFILE       = 'r_fullprofile';
+    const SCOPE_R_EMAILADDRESS      = 'r_emailaddress';
+    const SCOPE_R_NETWORK           = 'r_network';
+    const SCOPE_R_CONTACTINFO       = 'r_contactinfo';
+    const SCOPE_RW_NUS              = 'rw_nus';
+    const SCOPE_RW_COMPANY_ADMIN    = 'rw_company_admin';
+    const SCOPE_RW_GROUPS           = 'rw_groups';
+    const SCOPE_W_MESSAGES          = 'w_messages';
+
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri, true);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://api.linkedin.com/v1/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://www.linkedin.com/uas/oauth2/authorization');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://www.linkedin.com/uas/oauth2/accessToken');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_QUERY_STRING_V2;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+        $token->setLifeTime($data['expires_in']);
+
+        if (isset($data['refresh_token'])) {
+            $token->setRefreshToken($data['refresh_token']);
+            unset($data['refresh_token']);
+        }
+
+        unset($data['access_token']);
+        unset($data['expires_in']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Mailchimp.php b/vendor/OAuth/OAuth2/Service/Mailchimp.php
new file mode 100755
index 00000000..42abd3c1
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Mailchimp.php
@@ -0,0 +1,115 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+class Mailchimp extends AbstractService
+{
+
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+
+        if (is_null($this->baseApiUri) && $storage->hasAccessToken($this->service())) {
+            $this->setBaseApiUri($storage->retrieveAccessToken($this->service()));
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_QUERY_STRING_V3;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://login.mailchimp.com/oauth2/authorize');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://login.mailchimp.com/oauth2/token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        // Parse JSON
+        $data = json_decode($responseBody, true);
+
+        // Do validation.
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        // Create token object.
+        $token = new StdOAuth2Token($data['access_token']);
+
+        // Set the right API endpoint.
+        $this->setBaseApiUri($token);
+
+        // Mailchimp tokens evidently never expire...
+        $token->setEndOfLife(StdOAuth2Token::EOL_NEVER_EXPIRES);
+
+        return $token;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function request($path, $method = 'GET', $body = null, array $extraHeaders = array())
+    {
+        if (is_null($this->baseApiUri)) {
+            $this->setBaseApiUri($this->storage->retrieveAccessToken($this->service()));
+        }
+
+        return parent::request($path, $method, $body, $extraHeaders);
+    }
+
+    /**
+     * Set the right base endpoint.
+     * 
+     * @param StdOAuth2Token $token
+     */
+    protected function setBaseApiUri(StdOAuth2Token $token)
+    {
+        // Make request uri.
+        $endpoint = 'https://login.mailchimp.com/oauth2/metadata?oauth_token='. $token->getAccessToken();
+
+        // Grab meta data about the token.
+        $response = $this->httpClient->retrieveResponse(new Uri($endpoint), array(), array(), 'GET');
+
+        // Parse JSON.
+        $meta = json_decode($response, true);
+
+        // Set base api uri.
+        $this->baseApiUri = new Uri('https://'. $meta['dc'] .'.api.mailchimp.com/2.0/');
+
+        // Allow chaining.
+        return $this;
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Microsoft.php b/vendor/OAuth/OAuth2/Service/Microsoft.php
new file mode 100755
index 00000000..183ef452
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Microsoft.php
@@ -0,0 +1,119 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+class Microsoft extends AbstractService
+{
+    const SCOPE_BASIC = 'wl.basic';
+    const SCOPE_OFFLINE = 'wl.offline_access';
+    const SCOPE_SIGNIN = 'wl.signin';
+    const SCOPE_BIRTHDAY = 'wl.birthday';
+    const SCOPE_CALENDARS = 'wl.calendars';
+    const SCOPE_CALENDARS_UPDATE = 'wl.calendars_update';
+    const SCOPE_CONTACTS_BIRTHDAY = 'wl.contacts_birthday';
+    const SCOPE_CONTACTS_CREATE = 'wl.contacts_create';
+    const SCOPE_CONTACTS_CALENDARS = 'wl.contacts_calendars';
+    const SCOPE_CONTACTS_PHOTOS = 'wl.contacts_photos';
+    const SCOPE_CONTACTS_SKYDRIVE = 'wl.contacts_skydrive';
+    const SCOPE_EMAILS = 'wl.emails';
+    const SCOPE_EVENTS_CREATE = 'wl.events_create';
+    const SCOPE_MESSENGER = 'wl.messenger';
+    const SCOPE_PHONE_NUMBERS = 'wl.phone_numbers';
+    const SCOPE_PHOTOS = 'wl.photos';
+    const SCOPE_POSTAL_ADDRESSES = 'wl.postal_addresses';
+    const SCOPE_SHARE = 'wl.share';
+    const SCOPE_SKYDRIVE = 'wl.skydrive';
+    const SCOPE_SKYDRIVE_UPDATE = 'wl.skydrive_update';
+    const SCOPE_WORK_PROFILE = 'wl.work_profile';
+    const SCOPE_APPLICATIONS = 'wl.applications';
+    const SCOPE_APPLICATIONS_CREATE = 'wl.applications_create';
+
+    /**
+     * MS uses some magical not officialy supported scope to get even moar info like full emailaddresses.
+     * They agree that giving 3rd party apps access to 3rd party emailaddresses is a pretty lame thing to do so in all
+     * their wisdom they added this scope because fuck you that's why.
+     *
+     * https://github.com/Lusitanian/PHPoAuthLib/issues/214
+     * http://social.msdn.microsoft.com/Forums/live/en-US/c6dcb9ab-aed4-400a-99fb-5650c393a95d/how-retrieve-users-
+     *                                  contacts-email-address?forum=messengerconnect
+     *
+     * Considering this scope is not officially supported: use with care
+     */
+    const SCOPE_CONTACTS_EMAILS = 'wl.contacts_emails';
+
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://apis.live.net/v5.0/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://login.live.com/oauth20_authorize.srf');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://login.live.com/oauth20_token.srf');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_QUERY_STRING;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+        $token->setLifetime($data['expires_in']);
+
+        if (isset($data['refresh_token'])) {
+            $token->setRefreshToken($data['refresh_token']);
+            unset($data['refresh_token']);
+        }
+
+        unset($data['access_token']);
+        unset($data['expires_in']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Paypal.php b/vendor/OAuth/OAuth2/Service/Paypal.php
new file mode 100755
index 00000000..761c09d6
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Paypal.php
@@ -0,0 +1,103 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+/**
+ * PayPal service.
+ *
+ * @author Flávio Heleno <flaviohbatista@gmail.com>
+ * @link https://developer.paypal.com/webapps/developer/docs/integration/direct/log-in-with-paypal/detailed/
+ */
+class Paypal extends AbstractService
+{
+    /**
+     * Defined scopes
+     * @link https://developer.paypal.com/webapps/developer/docs/integration/direct/log-in-with-paypal/detailed/
+     * @see  #attributes
+     */
+    const SCOPE_OPENID           = 'openid';
+    const SCOPE_PROFILE          = 'profile';
+    const SCOPE_PAYPALATTRIBUTES = 'https://uri.paypal.com/services/paypalattributes';
+    const SCOPE_EMAIL            = 'email';
+    const SCOPE_ADDRESS          = 'address';
+    const SCOPE_PHONE            = 'phone';
+    const SCOPE_EXPRESSCHECKOUT  = 'https://uri.paypal.com/services/expresscheckout';
+
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://api.paypal.com/v1/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://www.paypal.com/webapps/auth/protocol/openidconnect/v1/authorize');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://api.paypal.com/v1/identity/openidconnect/tokenservice');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_HEADER_BEARER;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['message'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['message'] . '"');
+        } elseif (isset($data['name'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['name'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+        $token->setLifeTime($data['expires_in']);
+
+        if (isset($data['refresh_token'])) {
+            $token->setRefreshToken($data['refresh_token']);
+            unset($data['refresh_token']);
+        }
+
+        unset($data['access_token']);
+        unset($data['expires_in']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Pocket.php b/vendor/OAuth/OAuth2/Service/Pocket.php
new file mode 100755
index 00000000..8c955440
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Pocket.php
@@ -0,0 +1,125 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+
+class Pocket extends AbstractService
+{
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+        if ($baseApiUri === null) {
+            $this->baseApiUri = new Uri('https://getpocket.com/v3/');
+        }
+    }
+    
+    public function getRequestTokenEndpoint()
+    {
+        return new Uri('https://getpocket.com/v3/oauth/request');
+    }
+    
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://getpocket.com/auth/authorize');
+    }
+    
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://getpocket.com/v3/oauth/authorize');
+    }
+    
+    public function getAuthorizationUri(array $additionalParameters = array())
+    {
+        $parameters = array_merge(
+            $additionalParameters,
+            array(
+                'redirect_uri' => $this->credentials->getCallbackUrl(),
+            )
+        );
+        
+        // Build the url
+        $url = clone $this->getAuthorizationEndpoint();
+        foreach ($parameters as $key => $val) {
+            $url->addToQuery($key, $val);
+        }
+
+        return $url;
+    }
+    
+    public function requestRequestToken()
+    {
+        $responseBody = $this->httpClient->retrieveResponse(
+            $this->getRequestTokenEndpoint(),
+            array(
+                'consumer_key' => $this->credentials->getConsumerId(),
+                'redirect_uri' => $this->credentials->getCallbackUrl(),
+            )
+        );
+        
+        $code = $this->parseRequestTokenResponse($responseBody);
+
+        return $code;
+    }
+    
+    protected function parseRequestTokenResponse($responseBody)
+    {
+        parse_str($responseBody, $data);
+        
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (!isset($data['code'])) {
+            throw new TokenResponseException('Error in retrieving code.');
+        }
+        return $data['code'];
+    }
+    
+    public function requestAccessToken($code)
+    {
+        $bodyParams = array(
+            'consumer_key'     => $this->credentials->getConsumerId(),
+            'code'             => $code,
+        );
+
+        $responseBody = $this->httpClient->retrieveResponse(
+            $this->getAccessTokenEndpoint(),
+            $bodyParams,
+            $this->getExtraOAuthHeaders()
+        );
+        $token = $this->parseAccessTokenResponse($responseBody);
+        $this->storage->storeAccessToken($this->service(), $token);
+
+        return $token;
+    }
+    
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        parse_str($responseBody, $data);
+        
+        if ($data === null || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+        
+        $token = new StdOAuth2Token();
+        #$token->setRequestToken($data['access_token']);
+        $token->setAccessToken($data['access_token']);
+        $token->setEndOfLife(StdOAuth2Token::EOL_NEVER_EXPIRES);
+        unset($data['access_token']);
+        $token->setExtraParams($data);
+        
+        return $token;
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Reddit.php b/vendor/OAuth/OAuth2/Service/Reddit.php
new file mode 100755
index 00000000..9e524d12
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Reddit.php
@@ -0,0 +1,114 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+class Reddit extends AbstractService
+{
+    /**
+     * Defined scopes
+     *
+     * @link http://www.reddit.com/dev/api/oauth
+     */
+    // User scopes
+    const SCOPE_EDIT                         = 'edit';
+    const SCOPE_HISTORY                      = 'history';
+    const SCOPE_IDENTITY                     = 'identity';
+    const SCOPE_MYSUBREDDITS                 = 'mysubreddits';
+    const SCOPE_PRIVATEMESSAGES              = 'privatemessages';
+    const SCOPE_READ                         = 'read';
+    const SCOPE_SAVE                         = 'save';
+    const SCOPE_SUBMIT                       = 'submit';
+    const SCOPE_SUBSCRIBE                    = 'subscribe';
+    const SCOPE_VOTE                         = 'vote';
+    // Mod Scopes
+    const SCOPE_MODCONFIG                    = 'modconfig';
+    const SCOPE_MODFLAIR                     = 'modflair';
+    const SCOPE_MODLOG                       = 'modlog';
+    const SCOPE_MODPOST                      = 'modpost';
+
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri, true);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://oauth.reddit.com');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://ssl.reddit.com/api/v1/authorize');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://ssl.reddit.com/api/v1/access_token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_HEADER_BEARER;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+        $token->setLifeTime($data['expires_in']);
+
+        if (isset($data['refresh_token'])) {
+            $token->setRefreshToken($data['refresh_token']);
+            unset($data['refresh_token']);
+        }
+
+        unset($data['access_token']);
+        unset($data['expires_in']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getExtraOAuthHeaders()
+    {
+        // Reddit uses a Basic OAuth header
+        return array('Authorization' => 'Basic ' .
+            base64_encode($this->credentials->getConsumerId() . ':' . $this->credentials->getConsumerSecret()));
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/RunKeeper.php b/vendor/OAuth/OAuth2/Service/RunKeeper.php
new file mode 100755
index 00000000..71584076
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/RunKeeper.php
@@ -0,0 +1,105 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+/**
+ * RunKeeper service.
+ *
+ * @link http://runkeeper.com/developer/healthgraph/registration-authorization
+ */
+class RunKeeper extends AbstractService
+{
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://api.runkeeper.com/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationUri(array $additionalParameters = array())
+    {
+        $parameters = array_merge(
+            $additionalParameters,
+            array(
+                'client_id'     => $this->credentials->getConsumerId(),
+                'redirect_uri'  => $this->credentials->getCallbackUrl(),
+                'response_type' => 'code',
+            )
+        );
+
+        $parameters['scope'] = implode(' ', $this->scopes);
+
+        // Build the url
+        $url = clone $this->getAuthorizationEndpoint();
+        foreach ($parameters as $key => $val) {
+            $url->addToQuery($key, $val);
+        }
+
+        return $url;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://runkeeper.com/apps/authorize');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://runkeeper.com/apps/token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_HEADER_BEARER;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+
+        unset($data['access_token']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Salesforce.php b/vendor/OAuth/OAuth2/Service/Salesforce.php
new file mode 100755
index 00000000..7d74db9d
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Salesforce.php
@@ -0,0 +1,92 @@
+<?php
+
+namespace OAuth\Common\Service;
+
+use OAuth\OAuth2\Service\AbstractService;
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+class SalesforceService extends AbstractService
+{
+    /**
+     * Scopes
+     *
+     * @var string
+     */
+    const   SCOPE_API           =   'api',
+            SCOPE_REFRESH_TOKEN =   'refresh_token';
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://login.salesforce.com/services/oauth2/authorize');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://na1.salesforce.com/services/oauth2/token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseRequestTokenResponse($responseBody)
+    {
+        parse_str($responseBody, $data);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (!isset($data['oauth_callback_confirmed']) || $data['oauth_callback_confirmed'] !== 'true') {
+            throw new TokenResponseException('Error in retrieving token.');
+        }
+
+        return $this->parseAccessTokenResponse($responseBody);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+        // Salesforce tokens evidently never expire...
+        $token->setEndOfLife(StdOAuth2Token::EOL_NEVER_EXPIRES);
+        unset($data['access_token']);
+
+        if (isset($data['refresh_token'])) {
+            $token->setRefreshToken($data['refresh_token']);
+            unset($data['refresh_token']);
+        }
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getExtraOAuthHeaders()
+    {
+        return array('Accept' => 'application/json');
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/ServiceInterface.php b/vendor/OAuth/OAuth2/Service/ServiceInterface.php
new file mode 100755
index 00000000..f3d1bdad
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/ServiceInterface.php
@@ -0,0 +1,37 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Token\TokenInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Service\ServiceInterface as BaseServiceInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+/**
+ * Defines the common methods across OAuth 2 services.
+ */
+interface ServiceInterface extends BaseServiceInterface
+{
+    /**
+     * Authorization methods for various services
+     */
+    const AUTHORIZATION_METHOD_HEADER_OAUTH    = 0;
+    const AUTHORIZATION_METHOD_HEADER_BEARER   = 1;
+    const AUTHORIZATION_METHOD_QUERY_STRING    = 2;
+    const AUTHORIZATION_METHOD_QUERY_STRING_V2 = 3;
+    const AUTHORIZATION_METHOD_QUERY_STRING_V3 = 4;
+
+    /**
+     * Retrieves and stores/returns the OAuth2 access token after a successful authorization.
+     *
+     * @param string $code The access code from the callback.
+     *
+     * @return TokenInterface $token
+     *
+     * @throws TokenResponseException
+     */
+    public function requestAccessToken($code);
+}
diff --git a/vendor/OAuth/OAuth2/Service/SoundCloud.php b/vendor/OAuth/OAuth2/Service/SoundCloud.php
new file mode 100755
index 00000000..32a3b46c
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/SoundCloud.php
@@ -0,0 +1,77 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+class SoundCloud extends AbstractService
+{
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://api.soundcloud.com/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://soundcloud.com/connect');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://api.soundcloud.com/oauth2/token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+
+        if (isset($data['expires_in'])) {
+            $token->setLifetime($data['expires_in']);
+            unset($data['expires_in']);
+        }
+
+        if (isset($data['refresh_token'])) {
+            $token->setRefreshToken($data['refresh_token']);
+            unset($data['refresh_token']);
+        }
+
+        unset($data['access_token']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Vkontakte.php b/vendor/OAuth/OAuth2/Service/Vkontakte.php
new file mode 100755
index 00000000..ddf7a8e6
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Vkontakte.php
@@ -0,0 +1,108 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+class Vkontakte extends AbstractService
+{
+    /**
+     * Defined scopes
+     *
+     * @link http://vk.com/dev/permissions
+     */
+    const SCOPE_NOTIFY        = 'notify';
+    const SCOPE_FRIENDS       = 'friends';
+    const SCOPE_PHOTOS        = 'photos';
+    const SCOPE_AUDIO         = 'audio';
+    const SCOPE_VIDEO         = 'video';
+    const SCOPE_DOCS          = 'docs';
+    const SCOPE_NOTES         = 'notes';
+    const SCOPE_PAGES         = 'pages';
+    const SCOPE_APP_LINK      = '';
+    const SCOPE_STATUS        = 'status';
+    const SCOPE_OFFERS        = 'offers';
+    const SCOPE_QUESTIONS     = 'questions';
+    const SCOPE_WALL          = 'wall';
+    const SCOPE_GROUPS        = 'groups';
+    const SCOPE_MESSAGES      = 'messages';
+    const SCOPE_NOTIFICATIONS = 'notifications';
+    const SCOPE_STATS         = 'stats';
+    const SCOPE_ADS           = 'ads';
+    const SCOPE_OFFLINE       = 'offline';
+    const SCOPE_NOHTTPS       = 'nohttps';
+
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://api.vk.com/method/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://oauth.vk.com/authorize');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://oauth.vk.com/access_token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+        $token->setLifeTime($data['expires_in']);
+
+        if (isset($data['refresh_token'])) {
+            $token->setRefreshToken($data['refresh_token']);
+            unset($data['refresh_token']);
+        }
+
+        unset($data['access_token']);
+        unset($data['expires_in']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+    
+    /**
+     * {@inheritdoc}
+     */
+    protected function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_QUERY_STRING;
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Service/Yammer.php b/vendor/OAuth/OAuth2/Service/Yammer.php
new file mode 100755
index 00000000..994a2935
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Yammer.php
@@ -0,0 +1,82 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+class Yammer extends AbstractService
+{
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+
+        if (null === $baseApiUri) {
+            $this->baseApiUri = new Uri('https://www.yammer.com/api/v1/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://www.yammer.com/dialog/oauth');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://www.yammer.com/oauth2/access_token.json');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_HEADER_BEARER;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']['token']);
+        $token->setLifetime($data['access_token']['expires_at']);
+
+        if (isset($data['refresh_token'])) {
+            $token->setRefreshToken($data['refresh_token']);
+            unset($data['refresh_token']);
+        }
+
+        unset($data['access_token']);
+        unset($data['expires_in']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+}
diff --git a/vendor/OAuth/OAuth2/Token/StdOAuth2Token.php b/vendor/OAuth/OAuth2/Token/StdOAuth2Token.php
new file mode 100755
index 00000000..eaaacac7
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Token/StdOAuth2Token.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace OAuth\OAuth2\Token;
+
+use OAuth\Common\Token\AbstractToken;
+
+/**
+ * Standard OAuth2 token implementation.
+ * Implements OAuth\OAuth2\Token\TokenInterface for any functionality that might not be provided by AbstractToken.
+ */
+class StdOAuth2Token extends AbstractToken implements TokenInterface
+{
+}
diff --git a/vendor/OAuth/OAuth2/Token/TokenInterface.php b/vendor/OAuth/OAuth2/Token/TokenInterface.php
new file mode 100755
index 00000000..aa592aa1
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Token/TokenInterface.php
@@ -0,0 +1,9 @@
+<?php
+
+namespace OAuth\OAuth2\Token;
+
+use OAuth\Common\Token\TokenInterface as BaseTokenInterface;
+
+interface TokenInterface extends BaseTokenInterface
+{
+}