move oauth2 to vendor

18 files changed, 0 insertions, 3582 deletions

diff --git a/library/oauth2/src/OAuth2/Storage/AccessTokenInterface.php b/library/oauth2/src/OAuth2/Storage/AccessTokenInterface.php
deleted file mode 100644
index 1819158af..000000000
--- a/library/oauth2/src/OAuth2/Storage/AccessTokenInterface.php
+++ /dev/null
@@ -1,64 +0,0 @@
-<?php
-
-namespace OAuth2\Storage;
-
-/**
- * Implement this interface to specify where the OAuth2 Server
- * should get/save access tokens
- *
- * @author Brent Shaffer <bshafs at gmail dot com>
- */
-interface AccessTokenInterface
-{
-    /**
-     * Look up the supplied oauth_token from storage.
-     *
-     * We need to retrieve access token data as we create and verify tokens.
-     *
-     * @param $oauth_token
-     * oauth_token to be check with.
-     *
-     * @return
-     * An associative array as below, and return NULL if the supplied oauth_token
-     * is invalid:
-     * - expires: Stored expiration in unix timestamp.
-     * - client_id: (optional) Stored client identifier.
-     * - user_id: (optional) Stored user identifier.
-     * - scope: (optional) Stored scope values in space-separated string.
-     * - id_token: (optional) Stored id_token (if "use_openid_connect" is true).
-     *
-     * @ingroup oauth2_section_7
-     */
-    public function getAccessToken($oauth_token);
-
-    /**
-     * Store the supplied access token values to storage.
-     *
-     * We need to store access token data as we create and verify tokens.
-     *
-     * @param $oauth_token    oauth_token to be stored.
-     * @param $client_id      client identifier to be stored.
-     * @param $user_id        user identifier to be stored.
-     * @param int    $expires expiration to be stored as a Unix timestamp.
-     * @param string $scope   OPTIONAL Scopes to be stored in space-separated string.
-     *
-     * @ingroup oauth2_section_4
-     */
-    public function setAccessToken($oauth_token, $client_id, $user_id, $expires, $scope = null);
-
-    /**
-     * Expire an access token.
-     *
-     * This is not explicitly required in the spec, but if defined in a draft RFC for token
-     * revoking (RFC 7009) https://tools.ietf.org/html/rfc7009
-     *
-     * @param $access_token
-     * Access token to be expired.
-     *
-     * @return BOOL true if an access token was unset, false if not
-     * @ingroup oauth2_section_6
-     *
-     * @todo v2.0 include this method in interface. Omitted to maintain BC in v1.x
-     */
-    //public function unsetAccessToken($access_token);
-}
diff --git a/library/oauth2/src/OAuth2/Storage/AuthorizationCodeInterface.php b/library/oauth2/src/OAuth2/Storage/AuthorizationCodeInterface.php
deleted file mode 100644
index 3beb0e437..000000000
--- a/library/oauth2/src/OAuth2/Storage/AuthorizationCodeInterface.php
+++ /dev/null
@@ -1,86 +0,0 @@
-<?php
-
-namespace OAuth2\Storage;
-
-/**
- * Implement this interface to specify where the OAuth2 Server
- * should get/save authorization codes for the "Authorization Code"
- * grant type
- *
- * @author Brent Shaffer <bshafs at gmail dot com>
- */
-interface AuthorizationCodeInterface
-{
-    /**
-     * The Authorization Code grant type supports a response type of "code".
-     *
-     * @var string
-     * @see http://tools.ietf.org/html/rfc6749#section-1.4.1
-     * @see http://tools.ietf.org/html/rfc6749#section-4.2
-     */
-    const RESPONSE_TYPE_CODE = "code";
-
-    /**
-     * Fetch authorization code data (probably the most common grant type).
-     *
-     * Retrieve the stored data for the given authorization code.
-     *
-     * Required for OAuth2::GRANT_TYPE_AUTH_CODE.
-     *
-     * @param $code
-     * Authorization code to be check with.
-     *
-     * @return
-     * An associative array as below, and NULL if the code is invalid
-     * @code
-     * return array(
-     *     "client_id"    => CLIENT_ID,      // REQUIRED Stored client identifier
-     *     "user_id"      => USER_ID,        // REQUIRED Stored user identifier
-     *     "expires"      => EXPIRES,        // REQUIRED Stored expiration in unix timestamp
-     *     "redirect_uri" => REDIRECT_URI,   // REQUIRED Stored redirect URI
-     *     "scope"        => SCOPE,          // OPTIONAL Stored scope values in space-separated string
-     * );
-     * @endcode
-     *
-     * @see http://tools.ietf.org/html/rfc6749#section-4.1
-     *
-     * @ingroup oauth2_section_4
-     */
-    public function getAuthorizationCode($code);
-
-    /**
-     * Take the provided authorization code values and store them somewhere.
-     *
-     * This function should be the storage counterpart to getAuthCode().
-     *
-     * If storage fails for some reason, we're not currently checking for
-     * any sort of success/failure, so you should bail out of the script
-     * and provide a descriptive fail message.
-     *
-     * Required for OAuth2::GRANT_TYPE_AUTH_CODE.
-     *
-     * @param string $code         Authorization code to be stored.
-     * @param mixed  $client_id    Client identifier to be stored.
-     * @param mixed  $user_id      User identifier to be stored.
-     * @param string $redirect_uri Redirect URI(s) to be stored in a space-separated string.
-     * @param int    $expires      Expiration to be stored as a Unix timestamp.
-     * @param string $scope        OPTIONAL Scopes to be stored in space-separated string.
-     *
-     * @ingroup oauth2_section_4
-     */
-    public function setAuthorizationCode($code, $client_id, $user_id, $redirect_uri, $expires, $scope = null);
-
-    /**
-     * once an Authorization Code is used, it must be exipired
-     *
-     * @see http://tools.ietf.org/html/rfc6749#section-4.1.2
-     *
-     *    The client MUST NOT use the authorization code
-     *    more than once.  If an authorization code is used more than
-     *    once, the authorization server MUST deny the request and SHOULD
-     *    revoke (when possible) all tokens previously issued based on
-     *    that authorization code
-     *
-     */
-    public function expireAuthorizationCode($code);
-}
diff --git a/library/oauth2/src/OAuth2/Storage/Cassandra.php b/library/oauth2/src/OAuth2/Storage/Cassandra.php
deleted file mode 100644
index 602e8a058..000000000
--- a/library/oauth2/src/OAuth2/Storage/Cassandra.php
+++ /dev/null
@@ -1,480 +0,0 @@
-<?php
-
-namespace OAuth2\Storage;
-
-use phpcassa\ColumnFamily;
-use phpcassa\ColumnSlice;
-use phpcassa\Connection\ConnectionPool;
-use OAuth2\OpenID\Storage\UserClaimsInterface;
-use OAuth2\OpenID\Storage\AuthorizationCodeInterface as OpenIDAuthorizationCodeInterface;
-
-/**
- * Cassandra storage for all storage types
- *
- * To use, install "thobbs/phpcassa" via composer
- * <code>
- *  composer require thobbs/phpcassa:dev-master
- * </code>
- *
- * Once this is done, instantiate the
- * <code>
- *  $cassandra = new \phpcassa\Connection\ConnectionPool('oauth2_server', array('127.0.0.1:9160'));
- * </code>
- *
- * Then, register the storage client:
- * <code>
- *  $storage = new OAuth2\Storage\Cassandra($cassandra);
- *  $storage->setClientDetails($client_id, $client_secret, $redirect_uri);
- * </code>
- *
- * @see test/lib/OAuth2/Storage/Bootstrap::getCassandraStorage
- */
-class Cassandra implements AuthorizationCodeInterface,
-    AccessTokenInterface,
-    ClientCredentialsInterface,
-    UserCredentialsInterface,
-    RefreshTokenInterface,
-    JwtBearerInterface,
-    ScopeInterface,
-    PublicKeyInterface,
-    UserClaimsInterface,
-    OpenIDAuthorizationCodeInterface
-{
-
-    private $cache;
-
-    /* The cassandra client */
-    protected $cassandra;
-
-    /* Configuration array */
-    protected $config;
-
-    /**
-     * Cassandra Storage! uses phpCassa
-     *
-     * @param \phpcassa\ConnectionPool $cassandra
-     * @param array                    $config
-     */
-    public function __construct($connection = array(), array $config = array())
-    {
-        if ($connection instanceof ConnectionPool) {
-            $this->cassandra = $connection;
-        } else {
-            if (!is_array($connection)) {
-                throw new \InvalidArgumentException('First argument to OAuth2\Storage\Cassandra must be an instance of phpcassa\Connection\ConnectionPool or a configuration array');
-            }
-            $connection = array_merge(array(
-                'keyspace' => 'oauth2',
-                'servers'  => null,
-            ), $connection);
-
-            $this->cassandra = new ConnectionPool($connection['keyspace'], $connection['servers']);
-        }
-
-        $this->config = array_merge(array(
-            // cassandra config
-            'column_family' => 'auth',
-
-            // key names
-            'client_key' => 'oauth_clients:',
-            'access_token_key' => 'oauth_access_tokens:',
-            'refresh_token_key' => 'oauth_refresh_tokens:',
-            'code_key' => 'oauth_authorization_codes:',
-            'user_key' => 'oauth_users:',
-            'jwt_key' => 'oauth_jwt:',
-            'scope_key' => 'oauth_scopes:',
-            'public_key_key'  => 'oauth_public_keys:',
-        ), $config);
-    }
-
-    protected function getValue($key)
-    {
-        if (isset($this->cache[$key])) {
-            return $this->cache[$key];
-        }
-        $cf = new ColumnFamily($this->cassandra, $this->config['column_family']);
-
-        try {
-            $value = $cf->get($key, new ColumnSlice("", ""));
-            $value = array_shift($value);
-        } catch (\cassandra\NotFoundException $e) {
-            return false;
-        }
-
-        return json_decode($value, true);
-    }
-
-    protected function setValue($key, $value, $expire = 0)
-    {
-        $this->cache[$key] = $value;
-
-        $cf = new ColumnFamily($this->cassandra, $this->config['column_family']);
-
-        $str = json_encode($value);
-        if ($expire > 0) {
-            try {
-                $seconds = $expire - time();
-                // __data key set as C* requires a field, note: max TTL can only be 630720000 seconds
-                $cf->insert($key, array('__data' => $str), null, $seconds);
-            } catch (\Exception $e) {
-                return false;
-            }
-        } else {
-            try {
-                // __data key set as C* requires a field
-                $cf->insert($key, array('__data' => $str));
-            } catch (\Exception $e) {
-                return false;
-            }
-        }
-
-        return true;
-    }
-
-    protected function expireValue($key)
-    {
-        unset($this->cache[$key]);
-
-        $cf = new ColumnFamily($this->cassandra, $this->config['column_family']);
-
-        if ($cf->get_count($key) > 0) {
-            try {
-                // __data key set as C* requires a field
-                $cf->remove($key, array('__data'));
-            } catch (\Exception $e) {
-                return false;
-            }
-
-            return true;
-        }
-
-        return false;
-    }
-
-    /* AuthorizationCodeInterface */
-    public function getAuthorizationCode($code)
-    {
-        return $this->getValue($this->config['code_key'] . $code);
-    }
-
-    public function setAuthorizationCode($authorization_code, $client_id, $user_id, $redirect_uri, $expires, $scope = null, $id_token = null)
-    {
-        return $this->setValue(
-            $this->config['code_key'] . $authorization_code,
-            compact('authorization_code', 'client_id', 'user_id', 'redirect_uri', 'expires', 'scope', 'id_token'),
-            $expires
-        );
-    }
-
-    public function expireAuthorizationCode($code)
-    {
-        $key = $this->config['code_key'] . $code;
-        unset($this->cache[$key]);
-
-        return $this->expireValue($key);
-    }
-
-    /* UserCredentialsInterface */
-    public function checkUserCredentials($username, $password)
-    {
-        if ($user = $this->getUser($username)) {
-            return $this->checkPassword($user, $password);
-        }
-
-        return false;
-    }
-
-    // plaintext passwords are bad!  Override this for your application
-    protected function checkPassword($user, $password)
-    {
-        return $user['password'] == $this->hashPassword($password);
-    }
-
-    // use a secure hashing algorithm when storing passwords. Override this for your application
-    protected function hashPassword($password)
-    {
-        return sha1($password);
-    }
-
-    public function getUserDetails($username)
-    {
-        return $this->getUser($username);
-    }
-
-    public function getUser($username)
-    {
-        if (!$userInfo = $this->getValue($this->config['user_key'] . $username)) {
-            return false;
-        }
-
-        // the default behavior is to use "username" as the user_id
-        return array_merge(array(
-            'user_id' => $username,
-        ), $userInfo);
-    }
-
-    public function setUser($username, $password, $first_name = null, $last_name = null)
-    {
-        $password = $this->hashPassword($password);
-
-        return $this->setValue(
-            $this->config['user_key'] . $username,
-            compact('username', 'password', 'first_name', 'last_name')
-        );
-    }
-
-    /* ClientCredentialsInterface */
-    public function checkClientCredentials($client_id, $client_secret = null)
-    {
-        if (!$client = $this->getClientDetails($client_id)) {
-            return false;
-        }
-
-        return isset($client['client_secret'])
-            && $client['client_secret'] == $client_secret;
-    }
-
-    public function isPublicClient($client_id)
-    {
-        if (!$client = $this->getClientDetails($client_id)) {
-            return false;
-        }
-
-        return empty($client['client_secret']);;
-    }
-
-    /* ClientInterface */
-    public function getClientDetails($client_id)
-    {
-        return $this->getValue($this->config['client_key'] . $client_id);
-    }
-
-    public function setClientDetails($client_id, $client_secret = null, $redirect_uri = null, $grant_types = null, $scope = null, $user_id = null)
-    {
-        return $this->setValue(
-            $this->config['client_key'] . $client_id,
-            compact('client_id', 'client_secret', 'redirect_uri', 'grant_types', 'scope', 'user_id')
-        );
-    }
-
-    public function checkRestrictedGrantType($client_id, $grant_type)
-    {
-        $details = $this->getClientDetails($client_id);
-        if (isset($details['grant_types'])) {
-            $grant_types = explode(' ', $details['grant_types']);
-
-            return in_array($grant_type, (array) $grant_types);
-        }
-
-        // if grant_types are not defined, then none are restricted
-        return true;
-    }
-
-    /* RefreshTokenInterface */
-    public function getRefreshToken($refresh_token)
-    {
-        return $this->getValue($this->config['refresh_token_key'] . $refresh_token);
-    }
-
-    public function setRefreshToken($refresh_token, $client_id, $user_id, $expires, $scope = null)
-    {
-        return $this->setValue(
-            $this->config['refresh_token_key'] . $refresh_token,
-            compact('refresh_token', 'client_id', 'user_id', 'expires', 'scope'),
-            $expires
-        );
-    }
-
-    public function unsetRefreshToken($refresh_token)
-    {
-        return $this->expireValue($this->config['refresh_token_key'] . $refresh_token);
-    }
-
-    /* AccessTokenInterface */
-    public function getAccessToken($access_token)
-    {
-        return $this->getValue($this->config['access_token_key'].$access_token);
-    }
-
-    public function setAccessToken($access_token, $client_id, $user_id, $expires, $scope = null)
-    {
-        return $this->setValue(
-            $this->config['access_token_key'].$access_token,
-            compact('access_token', 'client_id', 'user_id', 'expires', 'scope'),
-            $expires
-        );
-    }
-
-    public function unsetAccessToken($access_token)
-    {
-        return $this->expireValue($this->config['access_token_key'] . $access_token);
-    }
-
-    /* ScopeInterface */
-    public function scopeExists($scope)
-    {
-        $scope = explode(' ', $scope);
-
-        $result = $this->getValue($this->config['scope_key'].'supported:global');
-
-        $supportedScope = explode(' ', (string) $result);
-
-        return (count(array_diff($scope, $supportedScope)) == 0);
-    }
-
-    public function getDefaultScope($client_id = null)
-    {
-        if (is_null($client_id) || !$result = $this->getValue($this->config['scope_key'].'default:'.$client_id)) {
-            $result = $this->getValue($this->config['scope_key'].'default:global');
-        }
-
-        return $result;
-    }
-
-    public function setScope($scope, $client_id = null, $type = 'supported')
-    {
-        if (!in_array($type, array('default', 'supported'))) {
-            throw new \InvalidArgumentException('"$type" must be one of "default", "supported"');
-        }
-
-        if (is_null($client_id)) {
-            $key = $this->config['scope_key'].$type.':global';
-        } else {
-            $key = $this->config['scope_key'].$type.':'.$client_id;
-        }
-
-        return $this->setValue($key, $scope);
-    }
-
-    /*JWTBearerInterface */
-    public function getClientKey($client_id, $subject)
-    {
-        if (!$jwt = $this->getValue($this->config['jwt_key'] . $client_id)) {
-            return false;
-        }
-
-        if (isset($jwt['subject']) && $jwt['subject'] == $subject ) {
-            return $jwt['key'];
-        }
-
-        return null;
-    }
-
-    public function setClientKey($client_id, $key, $subject = null)
-    {
-        return $this->setValue($this->config['jwt_key'] . $client_id, array(
-            'key' => $key,
-            'subject' => $subject
-        ));
-    }
-
-    /*ScopeInterface */
-    public function getClientScope($client_id)
-    {
-        if (!$clientDetails = $this->getClientDetails($client_id)) {
-            return false;
-        }
-
-        if (isset($clientDetails['scope'])) {
-            return $clientDetails['scope'];
-        }
-
-        return null;
-    }
-
-    public function getJti($client_id, $subject, $audience, $expiration, $jti)
-    {
-        //TODO: Needs cassandra implementation.
-        throw new \Exception('getJti() for the Cassandra driver is currently unimplemented.');
-    }
-
-    public function setJti($client_id, $subject, $audience, $expiration, $jti)
-    {
-        //TODO: Needs cassandra implementation.
-        throw new \Exception('setJti() for the Cassandra driver is currently unimplemented.');
-    }
-
-    /* PublicKeyInterface */
-    public function getPublicKey($client_id = '')
-    {
-        $public_key = $this->getValue($this->config['public_key_key'] . $client_id);
-        if (is_array($public_key)) {
-            return $public_key['public_key'];
-        }
-        $public_key = $this->getValue($this->config['public_key_key']);
-        if (is_array($public_key)) {
-            return $public_key['public_key'];
-        }
-    }
-
-    public function getPrivateKey($client_id = '')
-    {
-        $public_key = $this->getValue($this->config['public_key_key'] . $client_id);
-        if (is_array($public_key)) {
-            return $public_key['private_key'];
-        }
-        $public_key = $this->getValue($this->config['public_key_key']);
-        if (is_array($public_key)) {
-            return $public_key['private_key'];
-        }
-    }
-
-    public function getEncryptionAlgorithm($client_id = null)
-    {
-        $public_key = $this->getValue($this->config['public_key_key'] . $client_id);
-        if (is_array($public_key)) {
-            return $public_key['encryption_algorithm'];
-        }
-        $public_key = $this->getValue($this->config['public_key_key']);
-        if (is_array($public_key)) {
-            return $public_key['encryption_algorithm'];
-        }
-
-        return 'RS256';
-    }
-
-    /* UserClaimsInterface */
-    public function getUserClaims($user_id, $claims)
-    {
-        $userDetails = $this->getUserDetails($user_id);
-        if (!is_array($userDetails)) {
-            return false;
-        }
-
-        $claims = explode(' ', trim($claims));
-        $userClaims = array();
-
-        // for each requested claim, if the user has the claim, set it in the response
-        $validClaims = explode(' ', self::VALID_CLAIMS);
-        foreach ($validClaims as $validClaim) {
-            if (in_array($validClaim, $claims)) {
-                if ($validClaim == 'address') {
-                    // address is an object with subfields
-                    $userClaims['address'] = $this->getUserClaim($validClaim, $userDetails['address'] ?: $userDetails);
-                } else {
-                    $userClaims = array_merge($userClaims, $this->getUserClaim($validClaim, $userDetails));
-                }
-            }
-        }
-
-        return $userClaims;
-    }
-
-    protected function getUserClaim($claim, $userDetails)
-    {
-        $userClaims = array();
-        $claimValuesString = constant(sprintf('self::%s_CLAIM_VALUES', strtoupper($claim)));
-        $claimValues = explode(' ', $claimValuesString);
-
-        foreach ($claimValues as $value) {
-            if ($value == 'email_verified') {
-                $userClaims[$value] = $userDetails[$value]=='true' ? true : false;
-            } else {
-                $userClaims[$value] = isset($userDetails[$value]) ? $userDetails[$value] : null;
-            }
-        }
-
-        return $userClaims;
-    }
-
-}
diff --git a/library/oauth2/src/OAuth2/Storage/ClientCredentialsInterface.php b/library/oauth2/src/OAuth2/Storage/ClientCredentialsInterface.php
deleted file mode 100644
index 3318c6966..000000000
--- a/library/oauth2/src/OAuth2/Storage/ClientCredentialsInterface.php
+++ /dev/null
@@ -1,49 +0,0 @@
-<?php
-
-namespace OAuth2\Storage;
-
-/**
- * Implement this interface to specify how the OAuth2 Server
- * should verify client credentials
- *
- * @author Brent Shaffer <bshafs at gmail dot com>
- */
-interface ClientCredentialsInterface extends ClientInterface
-{
-
-    /**
-     * Make sure that the client credentials is valid.
-     *
-     * @param $client_id
-     * Client identifier to be check with.
-     * @param $client_secret
-     * (optional) If a secret is required, check that they've given the right one.
-     *
-     * @return
-     * TRUE if the client credentials are valid, and MUST return FALSE if it isn't.
-     * @endcode
-     *
-     * @see http://tools.ietf.org/html/rfc6749#section-3.1
-     *
-     * @ingroup oauth2_section_3
-     */
-    public function checkClientCredentials($client_id, $client_secret = null);
-
-    /**
-     * Determine if the client is a "public" client, and therefore
-     * does not require passing credentials for certain grant types
-     *
-     * @param $client_id
-     * Client identifier to be check with.
-     *
-     * @return
-     * TRUE if the client is public, and FALSE if it isn't.
-     * @endcode
-     *
-     * @see http://tools.ietf.org/html/rfc6749#section-2.3
-     * @see https://github.com/bshaffer/oauth2-server-php/issues/257
-     *
-     * @ingroup oauth2_section_2
-     */
-    public function isPublicClient($client_id);
-}
diff --git a/library/oauth2/src/OAuth2/Storage/ClientInterface.php b/library/oauth2/src/OAuth2/Storage/ClientInterface.php
deleted file mode 100644
index 09a5bffc1..000000000
--- a/library/oauth2/src/OAuth2/Storage/ClientInterface.php
+++ /dev/null
@@ -1,66 +0,0 @@
-<?php
-
-namespace OAuth2\Storage;
-
-/**
- * Implement this interface to specify where the OAuth2 Server
- * should retrieve client information
- *
- * @author Brent Shaffer <bshafs at gmail dot com>
- */
-interface ClientInterface
-{
-    /**
-     * Get client details corresponding client_id.
-     *
-     * OAuth says we should store request URIs for each registered client.
-     * Implement this function to grab the stored URI for a given client id.
-     *
-     * @param $client_id
-     * Client identifier to be check with.
-     *
-     * @return array
-     *               Client details. The only mandatory key in the array is "redirect_uri".
-     *               This function MUST return FALSE if the given client does not exist or is
-     *               invalid. "redirect_uri" can be space-delimited to allow for multiple valid uris.
-     *               <code>
-     *               return array(
-     *               "redirect_uri" => REDIRECT_URI,      // REQUIRED redirect_uri registered for the client
-     *               "client_id"    => CLIENT_ID,         // OPTIONAL the client id
-     *               "grant_types"  => GRANT_TYPES,       // OPTIONAL an array of restricted grant types
-     *               "user_id"      => USER_ID,           // OPTIONAL the user identifier associated with this client
-     *               "scope"        => SCOPE,             // OPTIONAL the scopes allowed for this client
-     *               );
-     *               </code>
-     *
-     * @ingroup oauth2_section_4
-     */
-    public function getClientDetails($client_id);
-
-    /**
-     * Get the scope associated with this client
-     *
-     * @return
-     * STRING the space-delineated scope list for the specified client_id
-     */
-    public function getClientScope($client_id);
-
-    /**
-     * Check restricted grant types of corresponding client identifier.
-     *
-     * If you want to restrict clients to certain grant types, override this
-     * function.
-     *
-     * @param $client_id
-     * Client identifier to be check with.
-     * @param $grant_type
-     * Grant type to be check with
-     *
-     * @return
-     * TRUE if the grant type is supported by this client identifier, and
-     * FALSE if it isn't.
-     *
-     * @ingroup oauth2_section_4
-     */
-    public function checkRestrictedGrantType($client_id, $grant_type);
-}
diff --git a/library/oauth2/src/OAuth2/Storage/CouchbaseDB.php b/library/oauth2/src/OAuth2/Storage/CouchbaseDB.php
deleted file mode 100755
index 1eb55f027..000000000
--- a/library/oauth2/src/OAuth2/Storage/CouchbaseDB.php
+++ /dev/null
@@ -1,331 +0,0 @@
-<?php
-
-namespace OAuth2\Storage;
-
-use OAuth2\OpenID\Storage\AuthorizationCodeInterface as OpenIDAuthorizationCodeInterface;
-
-/**
- * Simple Couchbase storage for all storage types
- *
- * This class should be extended or overridden as required
- *
- * NOTE: Passwords are stored in plaintext, which is never
- * a good idea.  Be sure to override this for your application
- *
- * @author Tom Park <tom@raucter.com>
- */
-class CouchbaseDB implements AuthorizationCodeInterface,
-    AccessTokenInterface,
-    ClientCredentialsInterface,
-    UserCredentialsInterface,
-    RefreshTokenInterface,
-    JwtBearerInterface,
-    OpenIDAuthorizationCodeInterface
-{
-    protected $db;
-    protected $config;
-
-    public function __construct($connection, $config = array())
-    {
-        if ($connection instanceof \Couchbase) {
-            $this->db = $connection;
-        } else {
-            if (!is_array($connection) || !is_array($connection['servers'])) {
-                throw new \InvalidArgumentException('First argument to OAuth2\Storage\CouchbaseDB must be an instance of Couchbase or a configuration array containing a server array');
-            }
-
-            $this->db = new \Couchbase($connection['servers'], (!isset($connection['username'])) ? '' : $connection['username'], (!isset($connection['password'])) ? '' : $connection['password'], $connection['bucket'], false);
-        }
-
-        $this->config = array_merge(array(
-            'client_table' => 'oauth_clients',
-            'access_token_table' => 'oauth_access_tokens',
-            'refresh_token_table' => 'oauth_refresh_tokens',
-            'code_table' => 'oauth_authorization_codes',
-            'user_table' => 'oauth_users',
-            'jwt_table' => 'oauth_jwt',
-        ), $config);
-    }
-
-    // Helper function to access couchbase item by type:
-    protected function getObjectByType($name,$id)
-    {
-        return json_decode($this->db->get($this->config[$name].'-'.$id),true);
-    }
-
-    // Helper function to set couchbase item by type:
-    protected function setObjectByType($name,$id,$array)
-    {
-        $array['type'] = $name;
-
-        return $this->db->set($this->config[$name].'-'.$id,json_encode($array));
-    }
-
-    // Helper function to delete couchbase item by type, wait for persist to at least 1 node
-    protected function deleteObjectByType($name,$id)
-    {
-        $this->db->delete($this->config[$name].'-'.$id,"",1);
-    }
-
-    /* ClientCredentialsInterface */
-    public function checkClientCredentials($client_id, $client_secret = null)
-    {
-        if ($result = $this->getObjectByType('client_table',$client_id)) {
-            return $result['client_secret'] == $client_secret;
-        }
-
-        return false;
-    }
-
-    public function isPublicClient($client_id)
-    {
-        if (!$result = $this->getObjectByType('client_table',$client_id)) {
-            return false;
-        }
-
-        return empty($result['client_secret']);
-    }
-
-    /* ClientInterface */
-    public function getClientDetails($client_id)
-    {
-        $result = $this->getObjectByType('client_table',$client_id);
-
-        return is_null($result) ? false : $result;
-    }
-
-    public function setClientDetails($client_id, $client_secret = null, $redirect_uri = null, $grant_types = null, $scope = null, $user_id = null)
-    {
-        if ($this->getClientDetails($client_id)) {
-
-            $this->setObjectByType('client_table',$client_id, array(
-                'client_id'     => $client_id,
-                'client_secret' => $client_secret,
-                'redirect_uri'  => $redirect_uri,
-                'grant_types'   => $grant_types,
-                'scope'         => $scope,
-                'user_id'       => $user_id,
-            ));
-        } else {
-            $this->setObjectByType('client_table',$client_id, array(
-                'client_id'     => $client_id,
-                'client_secret' => $client_secret,
-                'redirect_uri'  => $redirect_uri,
-                'grant_types'   => $grant_types,
-                'scope'         => $scope,
-                'user_id'       => $user_id,
-            ));
-        }
-
-        return true;
-    }
-
-    public function checkRestrictedGrantType($client_id, $grant_type)
-    {
-        $details = $this->getClientDetails($client_id);
-        if (isset($details['grant_types'])) {
-            $grant_types = explode(' ', $details['grant_types']);
-
-            return in_array($grant_type, $grant_types);
-        }
-
-        // if grant_types are not defined, then none are restricted
-        return true;
-    }
-
-    /* AccessTokenInterface */
-    public function getAccessToken($access_token)
-    {
-        $token = $this->getObjectByType('access_token_table',$access_token);
-
-        return is_null($token) ? false : $token;
-    }
-
-    public function setAccessToken($access_token, $client_id, $user_id, $expires, $scope = null)
-    {
-        // if it exists, update it.
-        if ($this->getAccessToken($access_token)) {
-            $this->setObjectByType('access_token_table',$access_token, array(
-                'access_token' => $access_token,
-                'client_id' => $client_id,
-                'expires' => $expires,
-                'user_id' => $user_id,
-                'scope' => $scope
-            ));
-        } else {
-            $this->setObjectByType('access_token_table',$access_token,  array(
-                'access_token' => $access_token,
-                'client_id' => $client_id,
-                'expires' => $expires,
-                'user_id' => $user_id,
-                'scope' => $scope
-            ));
-        }
-
-        return true;
-    }
-
-    /* AuthorizationCodeInterface */
-    public function getAuthorizationCode($code)
-    {
-        $code = $this->getObjectByType('code_table',$code);
-
-        return is_null($code) ? false : $code;
-    }
-
-    public function setAuthorizationCode($code, $client_id, $user_id, $redirect_uri, $expires, $scope = null, $id_token = null)
-    {
-        // if it exists, update it.
-        if ($this->getAuthorizationCode($code)) {
-            $this->setObjectByType('code_table',$code, array(
-                'authorization_code' => $code,
-                'client_id' => $client_id,
-                'user_id' => $user_id,
-                'redirect_uri' => $redirect_uri,
-                'expires' => $expires,
-                'scope' => $scope,
-                'id_token' => $id_token,
-            ));
-        } else {
-            $this->setObjectByType('code_table',$code,array(
-                'authorization_code' => $code,
-                'client_id' => $client_id,
-                'user_id' => $user_id,
-                'redirect_uri' => $redirect_uri,
-                'expires' => $expires,
-                'scope' => $scope,
-                'id_token' => $id_token,
-            ));
-        }
-
-        return true;
-    }
-
-    public function expireAuthorizationCode($code)
-    {
-        $this->deleteObjectByType('code_table',$code);
-
-        return true;
-    }
-
-    /* UserCredentialsInterface */
-    public function checkUserCredentials($username, $password)
-    {
-        if ($user = $this->getUser($username)) {
-            return $this->checkPassword($user, $password);
-        }
-
-        return false;
-    }
-
-    public function getUserDetails($username)
-    {
-        if ($user = $this->getUser($username)) {
-            $user['user_id'] = $user['username'];
-        }
-
-        return $user;
-    }
-
-    /* RefreshTokenInterface */
-    public function getRefreshToken($refresh_token)
-    {
-        $token = $this->getObjectByType('refresh_token_table',$refresh_token);
-
-        return is_null($token) ? false : $token;
-    }
-
-    public function setRefreshToken($refresh_token, $client_id, $user_id, $expires, $scope = null)
-    {
-        $this->setObjectByType('refresh_token_table',$refresh_token, array(
-            'refresh_token' => $refresh_token,
-            'client_id' => $client_id,
-            'user_id' => $user_id,
-            'expires' => $expires,
-            'scope' => $scope
-        ));
-
-        return true;
-    }
-
-    public function unsetRefreshToken($refresh_token)
-    {
-        $this->deleteObjectByType('refresh_token_table',$refresh_token);
-
-        return true;
-    }
-
-    // plaintext passwords are bad!  Override this for your application
-    protected function checkPassword($user, $password)
-    {
-        return $user['password'] == $password;
-    }
-
-    public function getUser($username)
-    {
-        $result = $this->getObjectByType('user_table',$username);
-
-        return is_null($result) ? false : $result;
-    }
-
-    public function setUser($username, $password, $firstName = null, $lastName = null)
-    {
-        if ($this->getUser($username)) {
-            $this->setObjectByType('user_table',$username, array(
-                'username' => $username,
-                'password' => $password,
-                'first_name' => $firstName,
-                'last_name' => $lastName
-            ));
-
-        } else {
-            $this->setObjectByType('user_table',$username, array(
-                'username' => $username,
-                'password' => $password,
-                'first_name' => $firstName,
-                'last_name' => $lastName
-            ));
-
-        }
-
-        return true;
-    }
-
-    public function getClientKey($client_id, $subject)
-    {
-        if (!$jwt = $this->getObjectByType('jwt_table',$client_id)) {
-            return false;
-        }
-
-        if (isset($jwt['subject']) && $jwt['subject'] == $subject) {
-            return $jwt['key'];
-        }
-
-        return false;
-    }
-
-    public function getClientScope($client_id)
-    {
-        if (!$clientDetails = $this->getClientDetails($client_id)) {
-            return false;
-        }
-
-        if (isset($clientDetails['scope'])) {
-            return $clientDetails['scope'];
-        }
-
-        return null;
-    }
-
-    public function getJti($client_id, $subject, $audience, $expiration, $jti)
-    {
-        //TODO: Needs couchbase implementation.
-        throw new \Exception('getJti() for the Couchbase driver is currently unimplemented.');
-    }
-
-    public function setJti($client_id, $subject, $audience, $expiration, $jti)
-    {
-        //TODO: Needs couchbase implementation.
-        throw new \Exception('setJti() for the Couchbase driver is currently unimplemented.');
-    }
-}
diff --git a/library/oauth2/src/OAuth2/Storage/DynamoDB.php b/library/oauth2/src/OAuth2/Storage/DynamoDB.php
deleted file mode 100644
index 8347ab258..000000000
--- a/library/oauth2/src/OAuth2/Storage/DynamoDB.php
+++ /dev/null
@@ -1,540 +0,0 @@
-<?php
-
-namespace OAuth2\Storage;
-
-use Aws\DynamoDb\DynamoDbClient;
-
-use OAuth2\OpenID\Storage\UserClaimsInterface;
-use OAuth2\OpenID\Storage\AuthorizationCodeInterface as OpenIDAuthorizationCodeInterface;
-/**
- * DynamoDB storage for all storage types
- *
- * To use, install "aws/aws-sdk-php" via composer
- * <code>
- *  composer require aws/aws-sdk-php:dev-master
- * </code>
- *
- * Once this is done, instantiate the DynamoDB client
- * <code>
- *  $storage = new OAuth2\Storage\Dynamodb(array("key" => "YOURKEY", "secret" => "YOURSECRET", "region" => "YOURREGION"));
- * </code>
- *
- * Table :
- *  - oauth_access_tokens (primary hash key : access_token)
- *  - oauth_authorization_codes (primary hash key : authorization_code)
- *  - oauth_clients (primary hash key : client_id)
- *  - oauth_jwt (primary hash key : client_id, primary range key : subject)
- *  - oauth_public_keys (primary hash key : client_id)
- *  - oauth_refresh_tokens (primary hash key : refresh_token)
- *  - oauth_scopes (primary hash key : scope, secondary index : is_default-index hash key is_default)
- *  - oauth_users (primary hash key : username)
- *
- * @author Frederic AUGUSTE <frederic.auguste at gmail dot com>
- */
-class DynamoDB implements
-    AuthorizationCodeInterface,
-    AccessTokenInterface,
-    ClientCredentialsInterface,
-    UserCredentialsInterface,
-    RefreshTokenInterface,
-    JwtBearerInterface,
-    ScopeInterface,
-    PublicKeyInterface,
-    UserClaimsInterface,
-    OpenIDAuthorizationCodeInterface
-{
-    protected $client;
-    protected $config;
-
-    public function __construct($connection, $config = array())
-    {
-        if (!($connection instanceof DynamoDbClient)) {
-            if (!is_array($connection)) {
-                throw new \InvalidArgumentException('First argument to OAuth2\Storage\Dynamodb must be an instance a configuration array containt key, secret, region');
-            }
-            if (!array_key_exists("key",$connection) || !array_key_exists("secret",$connection) || !array_key_exists("region",$connection) ) {
-                throw new \InvalidArgumentException('First argument to OAuth2\Storage\Dynamodb must be an instance a configuration array containt key, secret, region');
-            }
-            $this->client = DynamoDbClient::factory(array(
-                'key' => $connection["key"],
-                'secret' => $connection["secret"],
-                'region' =>$connection["region"]
-            ));
-        } else {
-            $this->client = $connection;
-        }
-
-        $this->config = array_merge(array(
-            'client_table' => 'oauth_clients',
-            'access_token_table' => 'oauth_access_tokens',
-            'refresh_token_table' => 'oauth_refresh_tokens',
-            'code_table' => 'oauth_authorization_codes',
-            'user_table' => 'oauth_users',
-            'jwt_table'  => 'oauth_jwt',
-            'scope_table'  => 'oauth_scopes',
-            'public_key_table'  => 'oauth_public_keys',
-        ), $config);
-    }
-
-    /* OAuth2\Storage\ClientCredentialsInterface */
-    public function checkClientCredentials($client_id, $client_secret = null)
-    {
-        $result = $this->client->getItem(array(
-            "TableName"=> $this->config['client_table'],
-            "Key" => array('client_id'   => array('S' => $client_id))
-        ));
-
-        return  $result->count()==1 && $result["Item"]["client_secret"]["S"] == $client_secret;
-    }
-
-    public function isPublicClient($client_id)
-    {
-        $result = $this->client->getItem(array(
-            "TableName"=> $this->config['client_table'],
-            "Key" => array('client_id'   => array('S' => $client_id))
-        ));
-
-        if ($result->count()==0) {
-            return false ;
-        }
-
-        return empty($result["Item"]["client_secret"]);
-    }
-
-    /* OAuth2\Storage\ClientInterface */
-    public function getClientDetails($client_id)
-    {
-        $result = $this->client->getItem(array(
-            "TableName"=> $this->config['client_table'],
-            "Key" => array('client_id'   => array('S' => $client_id))
-        ));
-        if ($result->count()==0) {
-            return false ;
-        }
-        $result = $this->dynamo2array($result);
-        foreach (array('client_id', 'client_secret', 'redirect_uri', 'grant_types', 'scope', 'user_id') as $key => $val) {
-            if (!array_key_exists ($val, $result)) {
-                $result[$val] = null;
-            }
-        }
-
-        return $result;
-    }
-
-    public function setClientDetails($client_id, $client_secret = null, $redirect_uri = null, $grant_types = null, $scope = null, $user_id = null)
-    {
-        $clientData = compact('client_id', 'client_secret', 'redirect_uri', 'grant_types', 'scope', 'user_id');
-        $clientData = array_filter($clientData, 'self::isNotEmpty');
-
-        $result = $this->client->putItem(array(
-            'TableName' =>  $this->config['client_table'],
-            'Item' => $this->client->formatAttributes($clientData)
-        ));
-
-        return true;
-    }
-
-    public function checkRestrictedGrantType($client_id, $grant_type)
-    {
-        $details = $this->getClientDetails($client_id);
-        if (isset($details['grant_types'])) {
-            $grant_types = explode(' ', $details['grant_types']);
-
-            return in_array($grant_type, (array) $grant_types);
-        }
-
-        // if grant_types are not defined, then none are restricted
-        return true;
-    }
-
-    /* OAuth2\Storage\AccessTokenInterface */
-    public function getAccessToken($access_token)
-    {
-        $result = $this->client->getItem(array(
-            "TableName"=> $this->config['access_token_table'],
-            "Key" => array('access_token'   => array('S' => $access_token))
-        ));
-        if ($result->count()==0) {
-            return false ;
-        }
-        $token = $this->dynamo2array($result);
-        if (array_key_exists ('expires', $token)) {
-            $token['expires'] = strtotime($token['expires']);
-        }
-
-        return $token;
-    }
-
-    public function setAccessToken($access_token, $client_id, $user_id, $expires, $scope = null)
-    {
-        // convert expires to datestring
-        $expires = date('Y-m-d H:i:s', $expires);
-
-        $clientData = compact('access_token', 'client_id', 'user_id', 'expires', 'scope');
-        $clientData = array_filter($clientData, 'self::isNotEmpty');
-
-        $result = $this->client->putItem(array(
-            'TableName' =>  $this->config['access_token_table'],
-            'Item' => $this->client->formatAttributes($clientData)
-        ));
-
-        return true;
-
-    }
-
-    public function unsetAccessToken($access_token)
-    {
-        $result = $this->client->deleteItem(array(
-            'TableName' =>  $this->config['access_token_table'],
-            'Key' => $this->client->formatAttributes(array("access_token" => $access_token)),
-            'ReturnValues' => 'ALL_OLD',
-        ));
-
-        return null !== $result->get('Attributes');
-    }
-
-    /* OAuth2\Storage\AuthorizationCodeInterface */
-    public function getAuthorizationCode($code)
-    {
-        $result = $this->client->getItem(array(
-            "TableName"=> $this->config['code_table'],
-            "Key" => array('authorization_code'   => array('S' => $code))
-        ));
-        if ($result->count()==0) {
-            return false ;
-        }
-        $token = $this->dynamo2array($result);
-        if (!array_key_exists("id_token", $token )) {
-            $token['id_token'] = null;
-        }
-        $token['expires'] = strtotime($token['expires']);
-
-        return $token;
-
-    }
-
-    public function setAuthorizationCode($authorization_code, $client_id, $user_id, $redirect_uri, $expires, $scope = null, $id_token = null)
-    {
-        // convert expires to datestring
-        $expires = date('Y-m-d H:i:s', $expires);
-
-        $clientData = compact('authorization_code', 'client_id', 'user_id', 'redirect_uri', 'expires', 'id_token', 'scope');
-        $clientData = array_filter($clientData, 'self::isNotEmpty');
-
-        $result = $this->client->putItem(array(
-            'TableName' =>  $this->config['code_table'],
-            'Item' => $this->client->formatAttributes($clientData)
-        ));
-
-        return true;
-    }
-
-    public function expireAuthorizationCode($code)
-    {
-
-        $result = $this->client->deleteItem(array(
-            'TableName' =>  $this->config['code_table'],
-            'Key' => $this->client->formatAttributes(array("authorization_code" => $code))
-        ));
-
-        return true;
-    }
-
-    /* OAuth2\Storage\UserCredentialsInterface */
-    public function checkUserCredentials($username, $password)
-    {
-        if ($user = $this->getUser($username)) {
-            return $this->checkPassword($user, $password);
-        }
-
-        return false;
-    }
-
-    public function getUserDetails($username)
-    {
-        return $this->getUser($username);
-    }
-
-    /* UserClaimsInterface */
-    public function getUserClaims($user_id, $claims)
-    {
-        if (!$userDetails = $this->getUserDetails($user_id)) {
-            return false;
-        }
-
-        $claims = explode(' ', trim($claims));
-        $userClaims = array();
-
-        // for each requested claim, if the user has the claim, set it in the response
-        $validClaims = explode(' ', self::VALID_CLAIMS);
-        foreach ($validClaims as $validClaim) {
-            if (in_array($validClaim, $claims)) {
-                if ($validClaim == 'address') {
-                    // address is an object with subfields
-                    $userClaims['address'] = $this->getUserClaim($validClaim, $userDetails['address'] ?: $userDetails);
-                } else {
-                    $userClaims = array_merge($userClaims, $this->getUserClaim($validClaim, $userDetails));
-                }
-            }
-        }
-
-        return $userClaims;
-    }
-
-    protected function getUserClaim($claim, $userDetails)
-    {
-        $userClaims = array();
-        $claimValuesString = constant(sprintf('self::%s_CLAIM_VALUES', strtoupper($claim)));
-        $claimValues = explode(' ', $claimValuesString);
-
-        foreach ($claimValues as $value) {
-            if ($value == 'email_verified') {
-                $userClaims[$value] = $userDetails[$value]=='true' ? true : false;
-            } else {
-                $userClaims[$value] = isset($userDetails[$value]) ? $userDetails[$value] : null;
-            }
-        }
-
-        return $userClaims;
-    }
-
-    /* OAuth2\Storage\RefreshTokenInterface */
-    public function getRefreshToken($refresh_token)
-    {
-        $result = $this->client->getItem(array(
-            "TableName"=> $this->config['refresh_token_table'],
-            "Key" => array('refresh_token'   => array('S' => $refresh_token))
-        ));
-        if ($result->count()==0) {
-            return false ;
-        }
-        $token = $this->dynamo2array($result);
-        $token['expires'] = strtotime($token['expires']);
-
-        return $token;
-    }
-
-    public function setRefreshToken($refresh_token, $client_id, $user_id, $expires, $scope = null)
-    {
-        // convert expires to datestring
-        $expires = date('Y-m-d H:i:s', $expires);
-
-        $clientData = compact('refresh_token', 'client_id', 'user_id', 'expires', 'scope');
-        $clientData = array_filter($clientData, 'self::isNotEmpty');
-
-        $result = $this->client->putItem(array(
-            'TableName' =>  $this->config['refresh_token_table'],
-            'Item' => $this->client->formatAttributes($clientData)
-        ));
-
-        return true;
-    }
-
-    public function unsetRefreshToken($refresh_token)
-    {
-        $result = $this->client->deleteItem(array(
-            'TableName' =>  $this->config['refresh_token_table'],
-            'Key' => $this->client->formatAttributes(array("refresh_token" => $refresh_token))
-        ));
-
-        return true;
-    }
-
-    // plaintext passwords are bad!  Override this for your application
-    protected function checkPassword($user, $password)
-    {
-        return $user['password'] == $this->hashPassword($password);
-    }
-
-    // use a secure hashing algorithm when storing passwords. Override this for your application
-    protected function hashPassword($password)
-    {
-        return sha1($password);
-    }
-
-    public function getUser($username)
-    {
-        $result = $this->client->getItem(array(
-            "TableName"=> $this->config['user_table'],
-            "Key" => array('username'   => array('S' => $username))
-        ));
-        if ($result->count()==0) {
-            return false ;
-        }
-        $token = $this->dynamo2array($result);
-        $token['user_id'] = $username;
-
-        return $token;
-    }
-
-    public function setUser($username, $password, $first_name = null, $last_name = null)
-    {
-        // do not store in plaintext
-        $password = $this->hashPassword($password);
-
-        $clientData = compact('username', 'password', 'first_name', 'last_name');
-        $clientData = array_filter($clientData, 'self::isNotEmpty');
-
-        $result = $this->client->putItem(array(
-            'TableName' =>  $this->config['user_table'],
-            'Item' => $this->client->formatAttributes($clientData)
-        ));
-
-        return true;
-
-    }
-
-    /* ScopeInterface */
-    public function scopeExists($scope)
-    {
-        $scope = explode(' ', $scope);
-        $scope_query = array();
-        $count = 0;
-        foreach ($scope as $key => $val) {
-            $result = $this->client->query(array(
-                'TableName'     => $this->config['scope_table'],
-                'Select'        => 'COUNT',
-                'KeyConditions' => array(
-                    'scope' => array(
-                        'AttributeValueList' => array(array('S' => $val)),
-                        'ComparisonOperator' => 'EQ'
-                    )
-                )
-            ));
-            $count += $result['Count'];
-        }
-
-        return $count == count($scope);
-    }
-
-    public function getDefaultScope($client_id = null)
-    {
-
-        $result = $this->client->query(array(
-            'TableName' => $this->config['scope_table'],
-            'IndexName' => 'is_default-index',
-            'Select' => 'ALL_ATTRIBUTES',
-            'KeyConditions' => array(
-                'is_default' => array(
-                    'AttributeValueList' => array(array('S' => 'true')),
-                    'ComparisonOperator' => 'EQ',
-                ),
-            )
-        ));
-        $defaultScope = array();
-        if ($result->count() > 0) {
-            $array = $result->toArray();
-            foreach ($array["Items"] as $item) {
-                $defaultScope[]  = $item['scope']['S'];
-            }
-
-            return empty($defaultScope) ? null : implode(' ', $defaultScope);
-        }
-
-        return null;
-    }
-
-    /* JWTBearerInterface */
-    public function getClientKey($client_id, $subject)
-    {
-        $result = $this->client->getItem(array(
-            "TableName"=> $this->config['jwt_table'],
-            "Key" => array('client_id'   => array('S' => $client_id), 'subject' => array('S' => $subject))
-        ));
-        if ($result->count()==0) {
-            return false ;
-        }
-        $token = $this->dynamo2array($result);
-
-        return $token['public_key'];
-    }
-
-    public function getClientScope($client_id)
-    {
-        if (!$clientDetails = $this->getClientDetails($client_id)) {
-            return false;
-        }
-
-        if (isset($clientDetails['scope'])) {
-            return $clientDetails['scope'];
-        }
-
-        return null;
-    }
-
-    public function getJti($client_id, $subject, $audience, $expires, $jti)
-    {
-        //TODO not use.
-    }
-
-    public function setJti($client_id, $subject, $audience, $expires, $jti)
-    {
-        //TODO not use.
-    }
-
-    /* PublicKeyInterface */
-    public function getPublicKey($client_id = '0')
-    {
-
-        $result = $this->client->getItem(array(
-            "TableName"=> $this->config['public_key_table'],
-            "Key" => array('client_id'   => array('S' => $client_id))
-        ));
-        if ($result->count()==0) {
-            return false ;
-        }
-        $token = $this->dynamo2array($result);
-
-        return $token['public_key'];
-
-    }
-
-    public function getPrivateKey($client_id = '0')
-    {
-        $result = $this->client->getItem(array(
-            "TableName"=> $this->config['public_key_table'],
-            "Key" => array('client_id'   => array('S' => $client_id))
-        ));
-        if ($result->count()==0) {
-            return false ;
-        }
-        $token = $this->dynamo2array($result);
-
-        return $token['private_key'];
-    }
-
-    public function getEncryptionAlgorithm($client_id = null)
-    {
-        $result = $this->client->getItem(array(
-            "TableName"=> $this->config['public_key_table'],
-            "Key" => array('client_id'   => array('S' => $client_id))
-        ));
-        if ($result->count()==0) {
-            return 'RS256' ;
-        }
-        $token = $this->dynamo2array($result);
-
-        return $token['encryption_algorithm'];
-    }
-
-    /**
-     * Transform dynamodb resultset to an array.
-     * @param $dynamodbResult
-     * @return $array
-     */
-    private function dynamo2array($dynamodbResult)
-    {
-        $result = array();
-        foreach ($dynamodbResult["Item"] as $key => $val) {
-            $result[$key] = $val["S"];
-            $result[] = $val["S"];
-        }
-
-        return $result;
-    }
-
-    private static function isNotEmpty($value)
-    {
-        return null !== $value && '' !== $value;
-    }
-}
diff --git a/library/oauth2/src/OAuth2/Storage/JwtAccessToken.php b/library/oauth2/src/OAuth2/Storage/JwtAccessToken.php
deleted file mode 100644
index 75b49d301..000000000
--- a/library/oauth2/src/OAuth2/Storage/JwtAccessToken.php
+++ /dev/null
@@ -1,88 +0,0 @@
-<?php
-
-namespace OAuth2\Storage;
-
-use OAuth2\Encryption\EncryptionInterface;
-use OAuth2\Encryption\Jwt;
-
-/**
- *
- * @author Brent Shaffer <bshafs at gmail dot com>
- */
-class JwtAccessToken implements JwtAccessTokenInterface
-{
-    protected $publicKeyStorage;
-    protected $tokenStorage;
-    protected $encryptionUtil;
-
-    /**
-     * @param OAuth2\Encryption\PublicKeyInterface  $publicKeyStorage the public key encryption to use
-     * @param OAuth2\Storage\AccessTokenInterface   $tokenStorage     OPTIONAL persist the access token to another storage. This is useful if
-     *                                                                you want to retain access token grant information somewhere, but
-     *                                                                is not necessary when using this grant type.
-     * @param OAuth2\Encryption\EncryptionInterface $encryptionUtil   OPTIONAL class to use for "encode" and "decode" functions.
-     */
-    public function __construct(PublicKeyInterface $publicKeyStorage, AccessTokenInterface $tokenStorage = null, EncryptionInterface $encryptionUtil = null)
-    {
-        $this->publicKeyStorage = $publicKeyStorage;
-        $this->tokenStorage = $tokenStorage;
-        if (is_null($encryptionUtil)) {
-            $encryptionUtil = new Jwt;
-        }
-        $this->encryptionUtil = $encryptionUtil;
-    }
-
-    public function getAccessToken($oauth_token)
-    {
-        // just decode the token, don't verify
-        if (!$tokenData = $this->encryptionUtil->decode($oauth_token, null, false)) {
-            return false;
-        }
-
-        $client_id  = isset($tokenData['aud']) ? $tokenData['aud'] : null;
-        $public_key = $this->publicKeyStorage->getPublicKey($client_id);
-        $algorithm  = $this->publicKeyStorage->getEncryptionAlgorithm($client_id);
-
-        // now that we have the client_id, verify the token
-        if (false === $this->encryptionUtil->decode($oauth_token, $public_key, array($algorithm))) {
-            return false;
-        }
-
-        // normalize the JWT claims to the format expected by other components in this library
-        return $this->convertJwtToOAuth2($tokenData);
-    }
-
-    public function setAccessToken($oauth_token, $client_id, $user_id, $expires, $scope = null)
-    {
-        if ($this->tokenStorage) {
-            return $this->tokenStorage->setAccessToken($oauth_token, $client_id, $user_id, $expires, $scope);
-        }
-    }
-
-    public function unsetAccessToken($access_token)
-    {
-        if ($this->tokenStorage) {
-            return $this->tokenStorage->unsetAccessToken($access_token);
-        }
-    }
-
-
-    // converts a JWT access token into an OAuth2-friendly format
-    protected function convertJwtToOAuth2($tokenData)
-    {
-        $keyMapping = array(
-            'aud' => 'client_id',
-            'exp' => 'expires',
-            'sub' => 'user_id'
-        );
-
-        foreach ($keyMapping as $jwtKey => $oauth2Key) {
-            if (isset($tokenData[$jwtKey])) {
-                $tokenData[$oauth2Key] = $tokenData[$jwtKey];
-                unset($tokenData[$jwtKey]);
-            }
-        }
-
-        return $tokenData;
-    }
-}
diff --git a/library/oauth2/src/OAuth2/Storage/JwtAccessTokenInterface.php b/library/oauth2/src/OAuth2/Storage/JwtAccessTokenInterface.php
deleted file mode 100644
index 3abb2aa2d..000000000
--- a/library/oauth2/src/OAuth2/Storage/JwtAccessTokenInterface.php
+++ /dev/null
@@ -1,14 +0,0 @@
-<?php
-
-namespace OAuth2\Storage;
-
-/**
- * No specific methods, but allows the library to check "instanceof"
- * against interface rather than class
- *
- * @author Brent Shaffer <bshafs at gmail dot com>
- */
-interface JwtAccessTokenInterface extends AccessTokenInterface
-{
-
-}
diff --git a/library/oauth2/src/OAuth2/Storage/JwtBearerInterface.php b/library/oauth2/src/OAuth2/Storage/JwtBearerInterface.php
deleted file mode 100644
index c83aa72ea..000000000
--- a/library/oauth2/src/OAuth2/Storage/JwtBearerInterface.php
+++ /dev/null
@@ -1,74 +0,0 @@
-<?php
-
-namespace OAuth2\Storage;
-
-/**
- * Implement this interface to specify where the OAuth2 Server
- * should get the JWT key for clients
- *
- * @TODO consider extending ClientInterface, as this will almost always
- * be the same storage as retrieving clientData
- *
- * @author F21
- * @author Brent Shaffer <bshafs at gmail dot com>
- */
-interface JwtBearerInterface
-{
-    /**
-     * Get the public key associated with a client_id
-     *
-     * @param $client_id
-     * Client identifier to be checked with.
-     *
-     * @return
-     * STRING Return the public key for the client_id if it exists, and MUST return FALSE if it doesn't.
-     */
-    public function getClientKey($client_id, $subject);
-
-    /**
-     * Get a jti (JSON token identifier) by matching against the client_id, subject, audience and expiration.
-     *
-     * @param $client_id
-     * Client identifier to match.
-     *
-     * @param $subject
-     * The subject to match.
-     *
-     * @param $audience
-     * The audience to match.
-     *
-     * @param $expiration
-     * The expiration of the jti.
-     *
-     * @param $jti
-     * The jti to match.
-     *
-     * @return
-     * An associative array as below, and return NULL if the jti does not exist.
-     * - issuer: Stored client identifier.
-     * - subject: Stored subject.
-     * - audience: Stored audience.
-     * - expires: Stored expiration in unix timestamp.
-     * - jti: The stored jti.
-     */
-    public function getJti($client_id, $subject, $audience, $expiration, $jti);
-
-    /**
-     * Store a used jti so that we can check against it to prevent replay attacks.
-     * @param $client_id
-     * Client identifier to insert.
-     *
-     * @param $subject
-     * The subject to insert.
-     *
-     * @param $audience
-     * The audience to insert.
-     *
-     * @param $expiration
-     * The expiration of the jti.
-     *
-     * @param $jti
-     * The jti to insert.
-     */
-    public function setJti($client_id, $subject, $audience, $expiration, $jti);
-}
diff --git a/library/oauth2/src/OAuth2/Storage/Memory.php b/library/oauth2/src/OAuth2/Storage/Memory.php
deleted file mode 100644
index 42d833ccb..000000000
--- a/library/oauth2/src/OAuth2/Storage/Memory.php
+++ /dev/null
@@ -1,381 +0,0 @@
-<?php
-
-namespace OAuth2\Storage;
-
-use OAuth2\OpenID\Storage\UserClaimsInterface;
-use OAuth2\OpenID\Storage\AuthorizationCodeInterface as OpenIDAuthorizationCodeInterface;
-
-/**
- * Simple in-memory storage for all storage types
- *
- * NOTE: This class should never be used in production, and is
- * a stub class for example use only
- *
- * @author Brent Shaffer <bshafs at gmail dot com>
- */
-class Memory implements AuthorizationCodeInterface,
-    UserCredentialsInterface,
-    UserClaimsInterface,
-    AccessTokenInterface,
-    ClientCredentialsInterface,
-    RefreshTokenInterface,
-    JwtBearerInterface,
-    ScopeInterface,
-    PublicKeyInterface,
-    OpenIDAuthorizationCodeInterface
-{
-    public $authorizationCodes;
-    public $userCredentials;
-    public $clientCredentials;
-    public $refreshTokens;
-    public $accessTokens;
-    public $jwt;
-    public $jti;
-    public $supportedScopes;
-    public $defaultScope;
-    public $keys;
-
-    public function __construct($params = array())
-    {
-        $params = array_merge(array(
-            'authorization_codes' => array(),
-            'user_credentials' => array(),
-            'client_credentials' => array(),
-            'refresh_tokens' => array(),
-            'access_tokens' => array(),
-            'jwt' => array(),
-            'jti' => array(),
-            'default_scope' => null,
-            'supported_scopes' => array(),
-            'keys' => array(),
-        ), $params);
-
-        $this->authorizationCodes = $params['authorization_codes'];
-        $this->userCredentials = $params['user_credentials'];
-        $this->clientCredentials = $params['client_credentials'];
-        $this->refreshTokens = $params['refresh_tokens'];
-        $this->accessTokens = $params['access_tokens'];
-        $this->jwt = $params['jwt'];
-        $this->jti = $params['jti'];
-        $this->supportedScopes = $params['supported_scopes'];
-        $this->defaultScope = $params['default_scope'];
-        $this->keys = $params['keys'];
-    }
-
-    /* AuthorizationCodeInterface */
-    public function getAuthorizationCode($code)
-    {
-        if (!isset($this->authorizationCodes[$code])) {
-            return false;
-        }
-
-        return array_merge(array(
-            'authorization_code' => $code,
-        ), $this->authorizationCodes[$code]);
-    }
-
-    public function setAuthorizationCode($code, $client_id, $user_id, $redirect_uri, $expires, $scope = null, $id_token = null)
-    {
-        $this->authorizationCodes[$code] = compact('code', 'client_id', 'user_id', 'redirect_uri', 'expires', 'scope', 'id_token');
-
-        return true;
-    }
-
-    public function setAuthorizationCodes($authorization_codes)
-    {
-        $this->authorizationCodes = $authorization_codes;
-    }
-
-    public function expireAuthorizationCode($code)
-    {
-        unset($this->authorizationCodes[$code]);
-    }
-
-    /* UserCredentialsInterface */
-    public function checkUserCredentials($username, $password)
-    {
-        $userDetails = $this->getUserDetails($username);
-
-        return $userDetails && $userDetails['password'] && $userDetails['password'] === $password;
-    }
-
-    public function setUser($username, $password, $firstName = null, $lastName = null)
-    {
-        $this->userCredentials[$username] = array(
-            'password'   => $password,
-            'first_name' => $firstName,
-            'last_name'  => $lastName,
-        );
-
-        return true;
-    }
-
-    public function getUserDetails($username)
-    {
-        if (!isset($this->userCredentials[$username])) {
-            return false;
-        }
-
-        return array_merge(array(
-            'user_id'    => $username,
-            'password'   => null,
-            'first_name' => null,
-            'last_name'  => null,
-        ), $this->userCredentials[$username]);
-    }
-
-    /* UserClaimsInterface */
-    public function getUserClaims($user_id, $claims)
-    {
-        if (!$userDetails = $this->getUserDetails($user_id)) {
-            return false;
-        }
-
-        $claims = explode(' ', trim($claims));
-        $userClaims = array();
-
-        // for each requested claim, if the user has the claim, set it in the response
-        $validClaims = explode(' ', self::VALID_CLAIMS);
-        foreach ($validClaims as $validClaim) {
-            if (in_array($validClaim, $claims)) {
-                if ($validClaim == 'address') {
-                    // address is an object with subfields
-                    $userClaims['address'] = $this->getUserClaim($validClaim, $userDetails['address'] ?: $userDetails);
-                } else {
-                    $userClaims = array_merge($userClaims, $this->getUserClaim($validClaim, $userDetails));
-                }
-            }
-        }
-
-        return $userClaims;
-    }
-
-    protected function getUserClaim($claim, $userDetails)
-    {
-        $userClaims = array();
-        $claimValuesString = constant(sprintf('self::%s_CLAIM_VALUES', strtoupper($claim)));
-        $claimValues = explode(' ', $claimValuesString);
-
-        foreach ($claimValues as $value) {
-            $userClaims[$value] = isset($userDetails[$value]) ? $userDetails[$value] : null;
-        }
-
-        return $userClaims;
-    }
-
-    /* ClientCredentialsInterface */
-    public function checkClientCredentials($client_id, $client_secret = null)
-    {
-        return isset($this->clientCredentials[$client_id]['client_secret']) && $this->clientCredentials[$client_id]['client_secret'] === $client_secret;
-    }
-
-    public function isPublicClient($client_id)
-    {
-        if (!isset($this->clientCredentials[$client_id])) {
-            return false;
-        }
-
-        return empty($this->clientCredentials[$client_id]['client_secret']);
-    }
-
-    /* ClientInterface */
-    public function getClientDetails($client_id)
-    {
-        if (!isset($this->clientCredentials[$client_id])) {
-            return false;
-        }
-
-        $clientDetails = array_merge(array(
-            'client_id'     => $client_id,
-            'client_secret' => null,
-            'redirect_uri'  => null,
-            'scope'         => null,
-        ), $this->clientCredentials[$client_id]);
-
-        return $clientDetails;
-    }
-
-    public function checkRestrictedGrantType($client_id, $grant_type)
-    {
-        if (isset($this->clientCredentials[$client_id]['grant_types'])) {
-            $grant_types = explode(' ', $this->clientCredentials[$client_id]['grant_types']);
-
-            return in_array($grant_type, $grant_types);
-        }
-
-        // if grant_types are not defined, then none are restricted
-        return true;
-    }
-
-    public function setClientDetails($client_id, $client_secret = null, $redirect_uri = null, $grant_types = null, $scope = null, $user_id = null)
-    {
-        $this->clientCredentials[$client_id] = array(
-            'client_id'     => $client_id,
-            'client_secret' => $client_secret,
-            'redirect_uri'  => $redirect_uri,
-            'grant_types'   => $grant_types,
-            'scope'         => $scope,
-            'user_id'       => $user_id,
-        );
-
-        return true;
-    }
-
-    /* RefreshTokenInterface */
-    public function getRefreshToken($refresh_token)
-    {
-        return isset($this->refreshTokens[$refresh_token]) ? $this->refreshTokens[$refresh_token] : false;
-    }
-
-    public function setRefreshToken($refresh_token, $client_id, $user_id, $expires, $scope = null)
-    {
-        $this->refreshTokens[$refresh_token] = compact('refresh_token', 'client_id', 'user_id', 'expires', 'scope');
-
-        return true;
-    }
-
-    public function unsetRefreshToken($refresh_token)
-    {
-        if (isset($this->refreshTokens[$refresh_token])) {
-            unset($this->refreshTokens[$refresh_token]);
-
-            return true;
-        }
-
-        return false;
-    }
-
-    public function setRefreshTokens($refresh_tokens)
-    {
-        $this->refreshTokens = $refresh_tokens;
-    }
-
-    /* AccessTokenInterface */
-    public function getAccessToken($access_token)
-    {
-        return isset($this->accessTokens[$access_token]) ? $this->accessTokens[$access_token] : false;
-    }
-
-    public function setAccessToken($access_token, $client_id, $user_id, $expires, $scope = null, $id_token = null)
-    {
-        $this->accessTokens[$access_token] = compact('access_token', 'client_id', 'user_id', 'expires', 'scope', 'id_token');
-
-        return true;
-    }
-
-    public function unsetAccessToken($access_token)
-    {
-        if (isset($this->accessTokens[$access_token])) {
-            unset($this->accessTokens[$access_token]);
-
-            return true;
-        }
-
-        return false;
-    }
-
-    public function scopeExists($scope)
-    {
-        $scope = explode(' ', trim($scope));
-
-        return (count(array_diff($scope, $this->supportedScopes)) == 0);
-    }
-
-    public function getDefaultScope($client_id = null)
-    {
-        return $this->defaultScope;
-    }
-
-    /*JWTBearerInterface */
-    public function getClientKey($client_id, $subject)
-    {
-        if (isset($this->jwt[$client_id])) {
-            $jwt = $this->jwt[$client_id];
-            if ($jwt) {
-                if ($jwt["subject"] == $subject) {
-                    return $jwt["key"];
-                }
-            }
-        }
-
-        return false;
-    }
-
-    public function getClientScope($client_id)
-    {
-        if (!$clientDetails = $this->getClientDetails($client_id)) {
-            return false;
-        }
-
-        if (isset($clientDetails['scope'])) {
-            return $clientDetails['scope'];
-        }
-
-        return null;
-    }
-
-    public function getJti($client_id, $subject, $audience, $expires, $jti)
-    {
-        foreach ($this->jti as $storedJti) {
-            if ($storedJti['issuer'] == $client_id && $storedJti['subject'] == $subject && $storedJti['audience'] == $audience && $storedJti['expires'] == $expires && $storedJti['jti'] == $jti) {
-                return array(
-                    'issuer' => $storedJti['issuer'],
-                    'subject' => $storedJti['subject'],
-                    'audience' => $storedJti['audience'],
-                    'expires' => $storedJti['expires'],
-                    'jti' => $storedJti['jti']
-                );
-            }
-        }
-
-        return null;
-    }
-
-    public function setJti($client_id, $subject, $audience, $expires, $jti)
-    {
-        $this->jti[] = array('issuer' => $client_id, 'subject' => $subject, 'audience' => $audience, 'expires' => $expires, 'jti' => $jti);
-    }
-
-    /*PublicKeyInterface */
-    public function getPublicKey($client_id = null)
-    {
-        if (isset($this->keys[$client_id])) {
-            return $this->keys[$client_id]['public_key'];
-        }
-
-        // use a global encryption pair
-        if (isset($this->keys['public_key'])) {
-            return $this->keys['public_key'];
-        }
-
-        return false;
-    }
-
-    public function getPrivateKey($client_id = null)
-    {
-        if (isset($this->keys[$client_id])) {
-            return $this->keys[$client_id]['private_key'];
-        }
-
-        // use a global encryption pair
-        if (isset($this->keys['private_key'])) {
-            return $this->keys['private_key'];
-        }
-
-        return false;
-    }
-
-    public function getEncryptionAlgorithm($client_id = null)
-    {
-        if (isset($this->keys[$client_id]['encryption_algorithm'])) {
-            return $this->keys[$client_id]['encryption_algorithm'];
-        }
-
-        // use a global encryption algorithm
-        if (isset($this->keys['encryption_algorithm'])) {
-            return $this->keys['encryption_algorithm'];
-        }
-
-        return 'RS256';
-    }
-}
diff --git a/library/oauth2/src/OAuth2/Storage/Mongo.php b/library/oauth2/src/OAuth2/Storage/Mongo.php
deleted file mode 100644
index cef35e5e9..000000000
--- a/library/oauth2/src/OAuth2/Storage/Mongo.php
+++ /dev/null
@@ -1,339 +0,0 @@
-<?php
-
-namespace OAuth2\Storage;
-
-use OAuth2\OpenID\Storage\AuthorizationCodeInterface as OpenIDAuthorizationCodeInterface;
-
-/**
- * Simple MongoDB storage for all storage types
- *
- * NOTE: This class is meant to get users started
- * quickly. If your application requires further
- * customization, extend this class or create your own.
- *
- * NOTE: Passwords are stored in plaintext, which is never
- * a good idea.  Be sure to override this for your application
- *
- * @author Julien Chaumond <chaumond@gmail.com>
- */
-class Mongo implements AuthorizationCodeInterface,
-    AccessTokenInterface,
-    ClientCredentialsInterface,
-    UserCredentialsInterface,
-    RefreshTokenInterface,
-    JwtBearerInterface,
-    OpenIDAuthorizationCodeInterface
-{
-    protected $db;
-    protected $config;
-
-    public function __construct($connection, $config = array())
-    {
-        if ($connection instanceof \MongoDB) {
-            $this->db = $connection;
-        } else {
-            if (!is_array($connection)) {
-                throw new \InvalidArgumentException('First argument to OAuth2\Storage\Mongo must be an instance of MongoDB or a configuration array');
-            }
-            $server = sprintf('mongodb://%s:%d', $connection['host'], $connection['port']);
-            $m = new \MongoClient($server);
-            $this->db = $m->{$connection['database']};
-        }
-
-        $this->config = array_merge(array(
-            'client_table' => 'oauth_clients',
-            'access_token_table' => 'oauth_access_tokens',
-            'refresh_token_table' => 'oauth_refresh_tokens',
-            'code_table' => 'oauth_authorization_codes',
-            'user_table' => 'oauth_users',
-            'jwt_table' => 'oauth_jwt',
-        ), $config);
-    }
-
-    // Helper function to access a MongoDB collection by `type`:
-    protected function collection($name)
-    {
-        return $this->db->{$this->config[$name]};
-    }
-
-    /* ClientCredentialsInterface */
-    public function checkClientCredentials($client_id, $client_secret = null)
-    {
-        if ($result = $this->collection('client_table')->findOne(array('client_id' => $client_id))) {
-            return $result['client_secret'] == $client_secret;
-        }
-
-        return false;
-    }
-
-    public function isPublicClient($client_id)
-    {
-        if (!$result = $this->collection('client_table')->findOne(array('client_id' => $client_id))) {
-            return false;
-        }
-
-        return empty($result['client_secret']);
-    }
-
-    /* ClientInterface */
-    public function getClientDetails($client_id)
-    {
-        $result = $this->collection('client_table')->findOne(array('client_id' => $client_id));
-
-        return is_null($result) ? false : $result;
-    }
-
-    public function setClientDetails($client_id, $client_secret = null, $redirect_uri = null, $grant_types = null, $scope = null, $user_id = null)
-    {
-        if ($this->getClientDetails($client_id)) {
-            $this->collection('client_table')->update(
-                array('client_id' => $client_id),
-                array('$set' => array(
-                    'client_secret' => $client_secret,
-                    'redirect_uri'  => $redirect_uri,
-                    'grant_types'   => $grant_types,
-                    'scope'         => $scope,
-                    'user_id'       => $user_id,
-                ))
-            );
-        } else {
-            $client = array(
-                'client_id'     => $client_id,
-                'client_secret' => $client_secret,
-                'redirect_uri'  => $redirect_uri,
-                'grant_types'   => $grant_types,
-                'scope'         => $scope,
-                'user_id'       => $user_id,
-            );
-            $this->collection('client_table')->insert($client);
-        }
-
-        return true;
-    }
-
-    public function checkRestrictedGrantType($client_id, $grant_type)
-    {
-        $details = $this->getClientDetails($client_id);
-        if (isset($details['grant_types'])) {
-            $grant_types = explode(' ', $details['grant_types']);
-
-            return in_array($grant_type, $grant_types);
-        }
-
-        // if grant_types are not defined, then none are restricted
-        return true;
-    }
-
-    /* AccessTokenInterface */
-    public function getAccessToken($access_token)
-    {
-        $token = $this->collection('access_token_table')->findOne(array('access_token' => $access_token));
-
-        return is_null($token) ? false : $token;
-    }
-
-    public function setAccessToken($access_token, $client_id, $user_id, $expires, $scope = null)
-    {
-        // if it exists, update it.
-        if ($this->getAccessToken($access_token)) {
-            $this->collection('access_token_table')->update(
-                array('access_token' => $access_token),
-                array('$set' => array(
-                    'client_id' => $client_id,
-                    'expires' => $expires,
-                    'user_id' => $user_id,
-                    'scope' => $scope
-                ))
-            );
-        } else {
-            $token = array(
-                'access_token' => $access_token,
-                'client_id' => $client_id,
-                'expires' => $expires,
-                'user_id' => $user_id,
-                'scope' => $scope
-            );
-            $this->collection('access_token_table')->insert($token);
-        }
-
-        return true;
-    }
-
-    public function unsetAccessToken($access_token)
-    {
-        $result = $this->collection('access_token_table')->remove(array(
-            'access_token' => $access_token
-        ), array('w' => 1));
-
-        return $result['n'] > 0;
-    }
-
-
-    /* AuthorizationCodeInterface */
-    public function getAuthorizationCode($code)
-    {
-        $code = $this->collection('code_table')->findOne(array('authorization_code' => $code));
-
-        return is_null($code) ? false : $code;
-    }
-
-    public function setAuthorizationCode($code, $client_id, $user_id, $redirect_uri, $expires, $scope = null, $id_token = null)
-    {
-        // if it exists, update it.
-        if ($this->getAuthorizationCode($code)) {
-            $this->collection('code_table')->update(
-                array('authorization_code' => $code),
-                array('$set' => array(
-                    'client_id' => $client_id,
-                    'user_id' => $user_id,
-                    'redirect_uri' => $redirect_uri,
-                    'expires' => $expires,
-                    'scope' => $scope,
-                    'id_token' => $id_token,
-                ))
-            );
-        } else {
-            $token = array(
-                'authorization_code' => $code,
-                'client_id' => $client_id,
-                'user_id' => $user_id,
-                'redirect_uri' => $redirect_uri,
-                'expires' => $expires,
-                'scope' => $scope,
-                'id_token' => $id_token,
-            );
-            $this->collection('code_table')->insert($token);
-        }
-
-        return true;
-    }
-
-    public function expireAuthorizationCode($code)
-    {
-        $this->collection('code_table')->remove(array('authorization_code' => $code));
-
-        return true;
-    }
-
-    /* UserCredentialsInterface */
-    public function checkUserCredentials($username, $password)
-    {
-        if ($user = $this->getUser($username)) {
-            return $this->checkPassword($user, $password);
-        }
-
-        return false;
-    }
-
-    public function getUserDetails($username)
-    {
-        if ($user = $this->getUser($username)) {
-            $user['user_id'] = $user['username'];
-        }
-
-        return $user;
-    }
-
-    /* RefreshTokenInterface */
-    public function getRefreshToken($refresh_token)
-    {
-        $token = $this->collection('refresh_token_table')->findOne(array('refresh_token' => $refresh_token));
-
-        return is_null($token) ? false : $token;
-    }
-
-    public function setRefreshToken($refresh_token, $client_id, $user_id, $expires, $scope = null)
-    {
-        $token = array(
-            'refresh_token' => $refresh_token,
-            'client_id' => $client_id,
-            'user_id' => $user_id,
-            'expires' => $expires,
-            'scope' => $scope
-        );
-        $this->collection('refresh_token_table')->insert($token);
-
-        return true;
-    }
-
-    public function unsetRefreshToken($refresh_token)
-    {
-        $result = $this->collection('refresh_token_table')->remove(array(
-            'refresh_token' => $refresh_token
-        ), array('w' => 1));
-
-        return $result['n'] > 0;
-    }
-
-    // plaintext passwords are bad!  Override this for your application
-    protected function checkPassword($user, $password)
-    {
-        return $user['password'] == $password;
-    }
-
-    public function getUser($username)
-    {
-        $result = $this->collection('user_table')->findOne(array('username' => $username));
-
-        return is_null($result) ? false : $result;
-    }
-
-    public function setUser($username, $password, $firstName = null, $lastName = null)
-    {
-        if ($this->getUser($username)) {
-            $this->collection('user_table')->update(
-                array('username' => $username),
-                array('$set' => array(
-                    'password' => $password,
-                    'first_name' => $firstName,
-                    'last_name' => $lastName
-                ))
-            );
-        } else {
-            $user = array(
-                'username' => $username,
-                'password' => $password,
-                'first_name' => $firstName,
-                'last_name' => $lastName
-            );
-            $this->collection('user_table')->insert($user);
-        }
-
-        return true;
-    }
-
-    public function getClientKey($client_id, $subject)
-    {
-        $result = $this->collection('jwt_table')->findOne(array(
-            'client_id' => $client_id,
-            'subject' => $subject
-        ));
-
-        return is_null($result) ? false : $result['key'];
-    }
-
-    public function getClientScope($client_id)
-    {
-        if (!$clientDetails = $this->getClientDetails($client_id)) {
-            return false;
-        }
-
-        if (isset($clientDetails['scope'])) {
-            return $clientDetails['scope'];
-        }
-
-        return null;
-    }
-
-    public function getJti($client_id, $subject, $audience, $expiration, $jti)
-    {
-        //TODO: Needs mongodb implementation.
-        throw new \Exception('getJti() for the MongoDB driver is currently unimplemented.');
-    }
-
-    public function setJti($client_id, $subject, $audience, $expiration, $jti)
-    {
-        //TODO: Needs mongodb implementation.
-        throw new \Exception('setJti() for the MongoDB driver is currently unimplemented.');
-    }
-}
diff --git a/library/oauth2/src/OAuth2/Storage/Pdo.php b/library/oauth2/src/OAuth2/Storage/Pdo.php
deleted file mode 100644
index ae5107e29..000000000
--- a/library/oauth2/src/OAuth2/Storage/Pdo.php
+++ /dev/null
@@ -1,553 +0,0 @@
-<?php
-
-namespace OAuth2\Storage;
-
-use OAuth2\OpenID\Storage\UserClaimsInterface;
-use OAuth2\OpenID\Storage\AuthorizationCodeInterface as OpenIDAuthorizationCodeInterface;
-
-/**
- * Simple PDO storage for all storage types
- *
- * NOTE: This class is meant to get users started
- * quickly. If your application requires further
- * customization, extend this class or create your own.
- *
- * NOTE: Passwords are stored in plaintext, which is never
- * a good idea.  Be sure to override this for your application
- *
- * @author Brent Shaffer <bshafs at gmail dot com>
- */
-class Pdo implements
-    AuthorizationCodeInterface,
-    AccessTokenInterface,
-    ClientCredentialsInterface,
-    UserCredentialsInterface,
-    RefreshTokenInterface,
-    JwtBearerInterface,
-    ScopeInterface,
-    PublicKeyInterface,
-    UserClaimsInterface,
-    OpenIDAuthorizationCodeInterface
-{
-    protected $db;
-    protected $config;
-
-    public function __construct($connection, $config = array())
-    {
-        if (!$connection instanceof \PDO) {
-            if (is_string($connection)) {
-                $connection = array('dsn' => $connection);
-            }
-            if (!is_array($connection)) {
-                throw new \InvalidArgumentException('First argument to OAuth2\Storage\Pdo must be an instance of PDO, a DSN string, or a configuration array');
-            }
-            if (!isset($connection['dsn'])) {
-                throw new \InvalidArgumentException('configuration array must contain "dsn"');
-            }
-            // merge optional parameters
-            $connection = array_merge(array(
-                'username' => null,
-                'password' => null,
-                'options' => array(),
-            ), $connection);
-            $connection = new \PDO($connection['dsn'], $connection['username'], $connection['password'], $connection['options']);
-        }
-        $this->db = $connection;
-
-        // debugging
-        $connection->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION);
-
-        $this->config = array_merge(array(
-            'client_table' => 'oauth_clients',
-            'access_token_table' => 'oauth_access_tokens',
-            'refresh_token_table' => 'oauth_refresh_tokens',
-            'code_table' => 'oauth_authorization_codes',
-            'user_table' => 'oauth_users',
-            'jwt_table'  => 'oauth_jwt',
-            'jti_table'  => 'oauth_jti',
-            'scope_table'  => 'oauth_scopes',
-            'public_key_table'  => 'oauth_public_keys',
-        ), $config);
-    }
-
-    /* OAuth2\Storage\ClientCredentialsInterface */
-    public function checkClientCredentials($client_id, $client_secret = null)
-    {
-        $stmt = $this->db->prepare(sprintf('SELECT * from %s where client_id = :client_id', $this->config['client_table']));
-        $stmt->execute(compact('client_id'));
-        $result = $stmt->fetch(\PDO::FETCH_ASSOC);
-
-        // make this extensible
-        return $result && $result['client_secret'] == $client_secret;
-    }
-
-    public function isPublicClient($client_id)
-    {
-        $stmt = $this->db->prepare(sprintf('SELECT * from %s where client_id = :client_id', $this->config['client_table']));
-        $stmt->execute(compact('client_id'));
-
-        if (!$result = $stmt->fetch(\PDO::FETCH_ASSOC)) {
-            return false;
-        }
-
-        return empty($result['client_secret']);
-    }
-
-    /* OAuth2\Storage\ClientInterface */
-    public function getClientDetails($client_id)
-    {
-        $stmt = $this->db->prepare(sprintf('SELECT * from %s where client_id = :client_id', $this->config['client_table']));
-        $stmt->execute(compact('client_id'));
-
-        return $stmt->fetch(\PDO::FETCH_ASSOC);
-    }
-
-    public function setClientDetails($client_id, $client_secret = null, $redirect_uri = null, $grant_types = null, $scope = null, $user_id = null)
-    {
-        // if it exists, update it.
-        if ($this->getClientDetails($client_id)) {
-            $stmt = $this->db->prepare($sql = sprintf('UPDATE %s SET client_secret=:client_secret, redirect_uri=:redirect_uri, grant_types=:grant_types, scope=:scope, user_id=:user_id where client_id=:client_id', $this->config['client_table']));
-        } else {
-            $stmt = $this->db->prepare(sprintf('INSERT INTO %s (client_id, client_secret, redirect_uri, grant_types, scope, user_id) VALUES (:client_id, :client_secret, :redirect_uri, :grant_types, :scope, :user_id)', $this->config['client_table']));
-        }
-
-        return $stmt->execute(compact('client_id', 'client_secret', 'redirect_uri', 'grant_types', 'scope', 'user_id'));
-    }
-
-    public function checkRestrictedGrantType($client_id, $grant_type)
-    {
-        $details = $this->getClientDetails($client_id);
-        if (isset($details['grant_types'])) {
-            $grant_types = explode(' ', $details['grant_types']);
-
-            return in_array($grant_type, (array) $grant_types);
-        }
-
-        // if grant_types are not defined, then none are restricted
-        return true;
-    }
-
-    /* OAuth2\Storage\AccessTokenInterface */
-    public function getAccessToken($access_token)
-    {
-        $stmt = $this->db->prepare(sprintf('SELECT * from %s where access_token = :access_token', $this->config['access_token_table']));
-
-        $token = $stmt->execute(compact('access_token'));
-        if ($token = $stmt->fetch(\PDO::FETCH_ASSOC)) {
-            // convert date string back to timestamp
-            $token['expires'] = strtotime($token['expires']);
-        }
-
-        return $token;
-    }
-
-    public function setAccessToken($access_token, $client_id, $user_id, $expires, $scope = null)
-    {
-        // convert expires to datestring
-        $expires = date('Y-m-d H:i:s', $expires);
-
-        // if it exists, update it.
-        if ($this->getAccessToken($access_token)) {
-            $stmt = $this->db->prepare(sprintf('UPDATE %s SET client_id=:client_id, expires=:expires, user_id=:user_id, scope=:scope where access_token=:access_token', $this->config['access_token_table']));
-        } else {
-            $stmt = $this->db->prepare(sprintf('INSERT INTO %s (access_token, client_id, expires, user_id, scope) VALUES (:access_token, :client_id, :expires, :user_id, :scope)', $this->config['access_token_table']));
-        }
-
-        return $stmt->execute(compact('access_token', 'client_id', 'user_id', 'expires', 'scope'));
-    }
-
-    public function unsetAccessToken($access_token)
-    {
-        $stmt = $this->db->prepare(sprintf('DELETE FROM %s WHERE access_token = :access_token', $this->config['access_token_table']));
-
-        $stmt->execute(compact('access_token'));
-
-        return $stmt->rowCount() > 0;
-    }
-
-    /* OAuth2\Storage\AuthorizationCodeInterface */
-    public function getAuthorizationCode($code)
-    {
-        $stmt = $this->db->prepare(sprintf('SELECT * from %s where authorization_code = :code', $this->config['code_table']));
-        $stmt->execute(compact('code'));
-
-        if ($code = $stmt->fetch(\PDO::FETCH_ASSOC)) {
-            // convert date string back to timestamp
-            $code['expires'] = strtotime($code['expires']);
-        }
-
-        return $code;
-    }
-
-    public function setAuthorizationCode($code, $client_id, $user_id, $redirect_uri, $expires, $scope = null, $id_token = null)
-    {
-        if (func_num_args() > 6) {
-            // we are calling with an id token
-            return call_user_func_array(array($this, 'setAuthorizationCodeWithIdToken'), func_get_args());
-        }
-
-        // convert expires to datestring
-        $expires = date('Y-m-d H:i:s', $expires);
-
-        // if it exists, update it.
-        if ($this->getAuthorizationCode($code)) {
-            $stmt = $this->db->prepare($sql = sprintf('UPDATE %s SET client_id=:client_id, user_id=:user_id, redirect_uri=:redirect_uri, expires=:expires, scope=:scope where authorization_code=:code', $this->config['code_table']));
-        } else {
-            $stmt = $this->db->prepare(sprintf('INSERT INTO %s (authorization_code, client_id, user_id, redirect_uri, expires, scope) VALUES (:code, :client_id, :user_id, :redirect_uri, :expires, :scope)', $this->config['code_table']));
-        }
-
-        return $stmt->execute(compact('code', 'client_id', 'user_id', 'redirect_uri', 'expires', 'scope'));
-    }
-
-    private function setAuthorizationCodeWithIdToken($code, $client_id, $user_id, $redirect_uri, $expires, $scope = null, $id_token = null)
-    {
-        // convert expires to datestring
-        $expires = date('Y-m-d H:i:s', $expires);
-
-        // if it exists, update it.
-        if ($this->getAuthorizationCode($code)) {
-            $stmt = $this->db->prepare($sql = sprintf('UPDATE %s SET client_id=:client_id, user_id=:user_id, redirect_uri=:redirect_uri, expires=:expires, scope=:scope, id_token =:id_token where authorization_code=:code', $this->config['code_table']));
-        } else {
-            $stmt = $this->db->prepare(sprintf('INSERT INTO %s (authorization_code, client_id, user_id, redirect_uri, expires, scope, id_token) VALUES (:code, :client_id, :user_id, :redirect_uri, :expires, :scope, :id_token)', $this->config['code_table']));
-        }
-
-        return $stmt->execute(compact('code', 'client_id', 'user_id', 'redirect_uri', 'expires', 'scope', 'id_token'));
-    }
-
-    public function expireAuthorizationCode($code)
-    {
-        $stmt = $this->db->prepare(sprintf('DELETE FROM %s WHERE authorization_code = :code', $this->config['code_table']));
-
-        return $stmt->execute(compact('code'));
-    }
-
-    /* OAuth2\Storage\UserCredentialsInterface */
-    public function checkUserCredentials($username, $password)
-    {
-        if ($user = $this->getUser($username)) {
-            return $this->checkPassword($user, $password);
-        }
-
-        return false;
-    }
-
-    public function getUserDetails($username)
-    {
-        return $this->getUser($username);
-    }
-
-    /* UserClaimsInterface */
-    public function getUserClaims($user_id, $claims)
-    {
-        if (!$userDetails = $this->getUserDetails($user_id)) {
-            return false;
-        }
-
-        $claims = explode(' ', trim($claims));
-        $userClaims = array();
-
-        // for each requested claim, if the user has the claim, set it in the response
-        $validClaims = explode(' ', self::VALID_CLAIMS);
-        foreach ($validClaims as $validClaim) {
-            if (in_array($validClaim, $claims)) {
-                if ($validClaim == 'address') {
-                    // address is an object with subfields
-                    $userClaims['address'] = $this->getUserClaim($validClaim, $userDetails['address'] ?: $userDetails);
-                } else {
-                    $userClaims = array_merge($userClaims, $this->getUserClaim($validClaim, $userDetails));
-                }
-            }
-        }
-
-        return $userClaims;
-    }
-
-    protected function getUserClaim($claim, $userDetails)
-    {
-        $userClaims = array();
-        $claimValuesString = constant(sprintf('self::%s_CLAIM_VALUES', strtoupper($claim)));
-        $claimValues = explode(' ', $claimValuesString);
-
-        foreach ($claimValues as $value) {
-            $userClaims[$value] = isset($userDetails[$value]) ? $userDetails[$value] : null;
-        }
-
-        return $userClaims;
-    }
-
-    /* OAuth2\Storage\RefreshTokenInterface */
-    public function getRefreshToken($refresh_token)
-    {
-        $stmt = $this->db->prepare(sprintf('SELECT * FROM %s WHERE refresh_token = :refresh_token', $this->config['refresh_token_table']));
-
-        $token = $stmt->execute(compact('refresh_token'));
-        if ($token = $stmt->fetch(\PDO::FETCH_ASSOC)) {
-            // convert expires to epoch time
-            $token['expires'] = strtotime($token['expires']);
-        }
-
-        return $token;
-    }
-
-    public function setRefreshToken($refresh_token, $client_id, $user_id, $expires, $scope = null)
-    {
-        // convert expires to datestring
-        $expires = date('Y-m-d H:i:s', $expires);
-
-        $stmt = $this->db->prepare(sprintf('INSERT INTO %s (refresh_token, client_id, user_id, expires, scope) VALUES (:refresh_token, :client_id, :user_id, :expires, :scope)', $this->config['refresh_token_table']));
-
-        return $stmt->execute(compact('refresh_token', 'client_id', 'user_id', 'expires', 'scope'));
-    }
-
-    public function unsetRefreshToken($refresh_token)
-    {
-        $stmt = $this->db->prepare(sprintf('DELETE FROM %s WHERE refresh_token = :refresh_token', $this->config['refresh_token_table']));
-
-        $stmt->execute(compact('refresh_token'));
-
-        return $stmt->rowCount() > 0;
-    }
-
-    // plaintext passwords are bad!  Override this for your application
-    protected function checkPassword($user, $password)
-    {
-        return $user['password'] == $this->hashPassword($password);
-    }
-
-    // use a secure hashing algorithm when storing passwords. Override this for your application
-    protected function hashPassword($password)
-    {
-        return sha1($password);
-    }
-
-    public function getUser($username)
-    {
-        $stmt = $this->db->prepare($sql = sprintf('SELECT * from %s where username=:username', $this->config['user_table']));
-        $stmt->execute(array('username' => $username));
-
-        if (!$userInfo = $stmt->fetch(\PDO::FETCH_ASSOC)) {
-            return false;
-        }
-
-        // the default behavior is to use "username" as the user_id
-        return array_merge(array(
-            'user_id' => $username
-        ), $userInfo);
-    }
-
-    public function setUser($username, $password, $firstName = null, $lastName = null)
-    {
-        // do not store in plaintext
-        $password = $this->hashPassword($password);
-
-        // if it exists, update it.
-        if ($this->getUser($username)) {
-            $stmt = $this->db->prepare($sql = sprintf('UPDATE %s SET password=:password, first_name=:firstName, last_name=:lastName where username=:username', $this->config['user_table']));
-        } else {
-            $stmt = $this->db->prepare(sprintf('INSERT INTO %s (username, password, first_name, last_name) VALUES (:username, :password, :firstName, :lastName)', $this->config['user_table']));
-        }
-
-        return $stmt->execute(compact('username', 'password', 'firstName', 'lastName'));
-    }
-
-    /* ScopeInterface */
-    public function scopeExists($scope)
-    {
-        $scope = explode(' ', $scope);
-        $whereIn = implode(',', array_fill(0, count($scope), '?'));
-        $stmt = $this->db->prepare(sprintf('SELECT count(scope) as count FROM %s WHERE scope IN (%s)', $this->config['scope_table'], $whereIn));
-        $stmt->execute($scope);
-
-        if ($result = $stmt->fetch(\PDO::FETCH_ASSOC)) {
-            return $result['count'] == count($scope);
-        }
-
-        return false;
-    }
-
-    public function getDefaultScope($client_id = null)
-    {
-        $stmt = $this->db->prepare(sprintf('SELECT scope FROM %s WHERE is_default=:is_default', $this->config['scope_table']));
-        $stmt->execute(array('is_default' => true));
-
-        if ($result = $stmt->fetchAll(\PDO::FETCH_ASSOC)) {
-            $defaultScope = array_map(function ($row) {
-                return $row['scope'];
-            }, $result);
-
-            return implode(' ', $defaultScope);
-        }
-
-        return null;
-    }
-
-    /* JWTBearerInterface */
-    public function getClientKey($client_id, $subject)
-    {
-        $stmt = $this->db->prepare($sql = sprintf('SELECT public_key from %s where client_id=:client_id AND subject=:subject', $this->config['jwt_table']));
-
-        $stmt->execute(array('client_id' => $client_id, 'subject' => $subject));
-
-        return $stmt->fetchColumn();
-    }
-
-    public function getClientScope($client_id)
-    {
-        if (!$clientDetails = $this->getClientDetails($client_id)) {
-            return false;
-        }
-
-        if (isset($clientDetails['scope'])) {
-            return $clientDetails['scope'];
-        }
-
-        return null;
-    }
-
-    public function getJti($client_id, $subject, $audience, $expires, $jti)
-    {
-        $stmt = $this->db->prepare($sql = sprintf('SELECT * FROM %s WHERE issuer=:client_id AND subject=:subject AND audience=:audience AND expires=:expires AND jti=:jti', $this->config['jti_table']));
-
-        $stmt->execute(compact('client_id', 'subject', 'audience', 'expires', 'jti'));
-
-        if ($result = $stmt->fetch(\PDO::FETCH_ASSOC)) {
-            return array(
-                'issuer' => $result['issuer'],
-                'subject' => $result['subject'],
-                'audience' => $result['audience'],
-                'expires' => $result['expires'],
-                'jti' => $result['jti'],
-            );
-        }
-
-        return null;
-    }
-
-    public function setJti($client_id, $subject, $audience, $expires, $jti)
-    {
-        $stmt = $this->db->prepare(sprintf('INSERT INTO %s (issuer, subject, audience, expires, jti) VALUES (:client_id, :subject, :audience, :expires, :jti)', $this->config['jti_table']));
-
-        return $stmt->execute(compact('client_id', 'subject', 'audience', 'expires', 'jti'));
-    }
-
-    /* PublicKeyInterface */
-    public function getPublicKey($client_id = null)
-    {
-        $stmt = $this->db->prepare($sql = sprintf('SELECT public_key FROM %s WHERE client_id=:client_id OR client_id IS NULL ORDER BY client_id IS NOT NULL DESC', $this->config['public_key_table']));
-
-        $stmt->execute(compact('client_id'));
-        if ($result = $stmt->fetch(\PDO::FETCH_ASSOC)) {
-            return $result['public_key'];
-        }
-    }
-
-    public function getPrivateKey($client_id = null)
-    {
-        $stmt = $this->db->prepare($sql = sprintf('SELECT private_key FROM %s WHERE client_id=:client_id OR client_id IS NULL ORDER BY client_id IS NOT NULL DESC', $this->config['public_key_table']));
-
-        $stmt->execute(compact('client_id'));
-        if ($result = $stmt->fetch(\PDO::FETCH_ASSOC)) {
-            return $result['private_key'];
-        }
-    }
-
-    public function getEncryptionAlgorithm($client_id = null)
-    {
-        $stmt = $this->db->prepare($sql = sprintf('SELECT encryption_algorithm FROM %s WHERE client_id=:client_id OR client_id IS NULL ORDER BY client_id IS NOT NULL DESC', $this->config['public_key_table']));
-
-        $stmt->execute(compact('client_id'));
-        if ($result = $stmt->fetch(\PDO::FETCH_ASSOC)) {
-            return $result['encryption_algorithm'];
-        }
-
-        return 'RS256';
-    }
-
-    /**
-     * DDL to create OAuth2 database and tables for PDO storage
-     *
-     * @see https://github.com/dsquier/oauth2-server-php-mysql
-     */
-    public function getBuildSql($dbName = 'oauth2_server_php')
-    {
-        $sql = "
-        CREATE TABLE {$this->config['client_table']} (
-          client_id             VARCHAR(80)   NOT NULL,
-          client_secret         VARCHAR(80),
-          redirect_uri          VARCHAR(2000),
-          grant_types           VARCHAR(80),
-          scope                 VARCHAR(4000),
-          user_id               VARCHAR(80),
-          PRIMARY KEY (client_id)
-        );
-
-        CREATE TABLE {$this->config['access_token_table']} (
-          access_token         VARCHAR(40)    NOT NULL,
-          client_id            VARCHAR(80)    NOT NULL,
-          user_id              VARCHAR(80),
-          expires              TIMESTAMP      NOT NULL,
-          scope                VARCHAR(4000),
-          PRIMARY KEY (access_token)
-        );
-
-        CREATE TABLE {$this->config['code_table']} (
-          authorization_code  VARCHAR(40)    NOT NULL,
-          client_id           VARCHAR(80)    NOT NULL,
-          user_id             VARCHAR(80),
-          redirect_uri        VARCHAR(2000),
-          expires             TIMESTAMP      NOT NULL,
-          scope               VARCHAR(4000),
-          id_token            VARCHAR(1000),
-          PRIMARY KEY (authorization_code)
-        );
-
-        CREATE TABLE {$this->config['refresh_token_table']} (
-          refresh_token       VARCHAR(40)    NOT NULL,
-          client_id           VARCHAR(80)    NOT NULL,
-          user_id             VARCHAR(80),
-          expires             TIMESTAMP      NOT NULL,
-          scope               VARCHAR(4000),
-          PRIMARY KEY (refresh_token)
-        );
-
-        CREATE TABLE {$this->config['user_table']} (
-          username            VARCHAR(80),
-          password            VARCHAR(80),
-          first_name          VARCHAR(80),
-          last_name           VARCHAR(80),
-          email               VARCHAR(80),
-          email_verified      BOOLEAN,
-          scope               VARCHAR(4000)
-        );
-
-        CREATE TABLE {$this->config['scope_table']} (
-          scope               VARCHAR(80)  NOT NULL,
-          is_default          BOOLEAN,
-          PRIMARY KEY (scope)
-        );
-
-        CREATE TABLE {$this->config['jwt_table']} (
-          client_id           VARCHAR(80)   NOT NULL,
-          subject             VARCHAR(80),
-          public_key          VARCHAR(2000) NOT NULL
-        );
-
-        CREATE TABLE {$this->config['jti_table']} (
-          issuer              VARCHAR(80)   NOT NULL,
-          subject             VARCHAR(80),
-          audience            VARCHAR(80),
-          expires             TIMESTAMP     NOT NULL,
-          jti                 VARCHAR(2000) NOT NULL
-        );
-
-        CREATE TABLE {$this->config['public_key_table']} (
-          client_id            VARCHAR(80),
-          public_key           VARCHAR(2000),
-          private_key          VARCHAR(2000),
-          encryption_algorithm VARCHAR(100) DEFAULT 'RS256'
-        )
-";
-
-        return $sql;
-    }
-}
diff --git a/library/oauth2/src/OAuth2/Storage/PublicKeyInterface.php b/library/oauth2/src/OAuth2/Storage/PublicKeyInterface.php
deleted file mode 100644
index 108418d3a..000000000
--- a/library/oauth2/src/OAuth2/Storage/PublicKeyInterface.php
+++ /dev/null
@@ -1,16 +0,0 @@
-<?php
-
-namespace OAuth2\Storage;
-
-/**
- * Implement this interface to specify where the OAuth2 Server
- * should get public/private key information
- *
- * @author Brent Shaffer <bshafs at gmail dot com>
- */
-interface PublicKeyInterface
-{
-    public function getPublicKey($client_id = null);
-    public function getPrivateKey($client_id = null);
-    public function getEncryptionAlgorithm($client_id = null);
-}
diff --git a/library/oauth2/src/OAuth2/Storage/Redis.php b/library/oauth2/src/OAuth2/Storage/Redis.php
deleted file mode 100644
index e6294e22d..000000000
--- a/library/oauth2/src/OAuth2/Storage/Redis.php
+++ /dev/null
@@ -1,321 +0,0 @@
-<?php
-
-namespace OAuth2\Storage;
-
-use OAuth2\OpenID\Storage\AuthorizationCodeInterface as OpenIDAuthorizationCodeInterface;
-
-/**
- * redis storage for all storage types
- *
- * To use, install "predis/predis" via composer
- *
- * Register client:
- * <code>
- *  $storage = new OAuth2\Storage\Redis($redis);
- *  $storage->setClientDetails($client_id, $client_secret, $redirect_uri);
- * </code>
- */
-class Redis implements AuthorizationCodeInterface,
-    AccessTokenInterface,
-    ClientCredentialsInterface,
-    UserCredentialsInterface,
-    RefreshTokenInterface,
-    JwtBearerInterface,
-    ScopeInterface,
-    OpenIDAuthorizationCodeInterface
-{
-
-    private $cache;
-
-    /* The redis client */
-    protected $redis;
-
-    /* Configuration array */
-    protected $config;
-
-    /**
-     * Redis Storage!
-     *
-     * @param \Predis\Client $redis
-     * @param array          $config
-     */
-    public function __construct($redis, $config=array())
-    {
-        $this->redis = $redis;
-        $this->config = array_merge(array(
-            'client_key' => 'oauth_clients:',
-            'access_token_key' => 'oauth_access_tokens:',
-            'refresh_token_key' => 'oauth_refresh_tokens:',
-            'code_key' => 'oauth_authorization_codes:',
-            'user_key' => 'oauth_users:',
-            'jwt_key' => 'oauth_jwt:',
-            'scope_key' => 'oauth_scopes:',
-        ), $config);
-    }
-
-    protected function getValue($key)
-    {
-        if ( isset($this->cache[$key]) ) {
-            return $this->cache[$key];
-        }
-        $value = $this->redis->get($key);
-        if ( isset($value) ) {
-            return json_decode($value, true);
-        } else {
-            return false;
-        }
-    }
-
-    protected function setValue($key, $value, $expire=0)
-    {
-        $this->cache[$key] = $value;
-        $str = json_encode($value);
-        if ($expire > 0) {
-            $seconds = $expire - time();
-            $ret = $this->redis->setex($key, $seconds, $str);
-        } else {
-            $ret = $this->redis->set($key, $str);
-        }
-
-        // check that the key was set properly
-        // if this fails, an exception will usually thrown, so this step isn't strictly necessary
-        return is_bool($ret) ? $ret : $ret->getPayload() == 'OK';
-    }
-
-    protected function expireValue($key)
-    {
-        unset($this->cache[$key]);
-
-        return $this->redis->del($key);
-    }
-
-    /* AuthorizationCodeInterface */
-    public function getAuthorizationCode($code)
-    {
-        return $this->getValue($this->config['code_key'] . $code);
-    }
-
-    public function setAuthorizationCode($authorization_code, $client_id, $user_id, $redirect_uri, $expires, $scope = null, $id_token = null)
-    {
-        return $this->setValue(
-            $this->config['code_key'] . $authorization_code,
-            compact('authorization_code', 'client_id', 'user_id', 'redirect_uri', 'expires', 'scope', 'id_token'),
-            $expires
-        );
-    }
-
-    public function expireAuthorizationCode($code)
-    {
-        $key = $this->config['code_key'] . $code;
-        unset($this->cache[$key]);
-
-        return $this->expireValue($key);
-    }
-
-    /* UserCredentialsInterface */
-    public function checkUserCredentials($username, $password)
-    {
-        $user = $this->getUserDetails($username);
-
-        return $user && $user['password'] === $password;
-    }
-
-    public function getUserDetails($username)
-    {
-        return $this->getUser($username);
-    }
-
-    public function getUser($username)
-    {
-        if (!$userInfo = $this->getValue($this->config['user_key'] . $username)) {
-            return false;
-        }
-
-        // the default behavior is to use "username" as the user_id
-        return array_merge(array(
-            'user_id' => $username,
-        ), $userInfo);
-    }
-
-    public function setUser($username, $password, $first_name = null, $last_name = null)
-    {
-        return $this->setValue(
-            $this->config['user_key'] . $username,
-            compact('username', 'password', 'first_name', 'last_name')
-        );
-    }
-
-    /* ClientCredentialsInterface */
-    public function checkClientCredentials($client_id, $client_secret = null)
-    {
-        if (!$client = $this->getClientDetails($client_id)) {
-            return false;
-        }
-
-        return isset($client['client_secret'])
-            && $client['client_secret'] == $client_secret;
-    }
-
-    public function isPublicClient($client_id)
-    {
-        if (!$client = $this->getClientDetails($client_id)) {
-            return false;
-        }
-
-        return empty($client['client_secret']);
-    }
-
-    /* ClientInterface */
-    public function getClientDetails($client_id)
-    {
-        return $this->getValue($this->config['client_key'] . $client_id);
-    }
-
-    public function setClientDetails($client_id, $client_secret = null, $redirect_uri = null, $grant_types = null, $scope = null, $user_id = null)
-    {
-        return $this->setValue(
-            $this->config['client_key'] . $client_id,
-            compact('client_id', 'client_secret', 'redirect_uri', 'grant_types', 'scope', 'user_id')
-        );
-    }
-
-    public function checkRestrictedGrantType($client_id, $grant_type)
-    {
-        $details = $this->getClientDetails($client_id);
-        if (isset($details['grant_types'])) {
-            $grant_types = explode(' ', $details['grant_types']);
-
-            return in_array($grant_type, (array) $grant_types);
-        }
-
-        // if grant_types are not defined, then none are restricted
-        return true;
-    }
-
-    /* RefreshTokenInterface */
-    public function getRefreshToken($refresh_token)
-    {
-        return $this->getValue($this->config['refresh_token_key'] . $refresh_token);
-    }
-
-    public function setRefreshToken($refresh_token, $client_id, $user_id, $expires, $scope = null)
-    {
-        return $this->setValue(
-            $this->config['refresh_token_key'] . $refresh_token,
-            compact('refresh_token', 'client_id', 'user_id', 'expires', 'scope'),
-            $expires
-        );
-    }
-
-    public function unsetRefreshToken($refresh_token)
-    {
-        $result = $this->expireValue($this->config['refresh_token_key'] . $refresh_token);
-
-        return $result > 0;
-    }
-
-    /* AccessTokenInterface */
-    public function getAccessToken($access_token)
-    {
-        return $this->getValue($this->config['access_token_key'].$access_token);
-    }
-
-    public function setAccessToken($access_token, $client_id, $user_id, $expires, $scope = null)
-    {
-        return $this->setValue(
-            $this->config['access_token_key'].$access_token,
-            compact('access_token', 'client_id', 'user_id', 'expires', 'scope'),
-            $expires
-        );
-    }
-
-    public function unsetAccessToken($access_token)
-    {
-        $result = $this->expireValue($this->config['access_token_key'] . $access_token);
-
-        return $result > 0;
-    }
-
-    /* ScopeInterface */
-    public function scopeExists($scope)
-    {
-        $scope = explode(' ', $scope);
-
-        $result = $this->getValue($this->config['scope_key'].'supported:global');
-
-        $supportedScope = explode(' ', (string) $result);
-
-        return (count(array_diff($scope, $supportedScope)) == 0);
-    }
-
-    public function getDefaultScope($client_id = null)
-    {
-        if (is_null($client_id) || !$result = $this->getValue($this->config['scope_key'].'default:'.$client_id)) {
-            $result = $this->getValue($this->config['scope_key'].'default:global');
-        }
-
-        return $result;
-    }
-
-    public function setScope($scope, $client_id = null, $type = 'supported')
-    {
-        if (!in_array($type, array('default', 'supported'))) {
-            throw new \InvalidArgumentException('"$type" must be one of "default", "supported"');
-        }
-
-        if (is_null($client_id)) {
-            $key = $this->config['scope_key'].$type.':global';
-        } else {
-            $key = $this->config['scope_key'].$type.':'.$client_id;
-        }
-
-        return $this->setValue($key, $scope);
-    }
-
-    /*JWTBearerInterface */
-    public function getClientKey($client_id, $subject)
-    {
-        if (!$jwt = $this->getValue($this->config['jwt_key'] . $client_id)) {
-            return false;
-        }
-
-        if (isset($jwt['subject']) && $jwt['subject'] == $subject) {
-            return $jwt['key'];
-        }
-
-        return null;
-    }
-
-    public function setClientKey($client_id, $key, $subject = null)
-    {
-        return $this->setValue($this->config['jwt_key'] . $client_id, array(
-            'key' => $key,
-            'subject' => $subject
-        ));
-    }
-
-    public function getClientScope($client_id)
-    {
-        if (!$clientDetails = $this->getClientDetails($client_id)) {
-            return false;
-        }
-
-        if (isset($clientDetails['scope'])) {
-            return $clientDetails['scope'];
-        }
-
-        return null;
-    }
-
-    public function getJti($client_id, $subject, $audience, $expiration, $jti)
-    {
-        //TODO: Needs redis implementation.
-        throw new \Exception('getJti() for the Redis driver is currently unimplemented.');
-    }
-
-    public function setJti($client_id, $subject, $audience, $expiration, $jti)
-    {
-        //TODO: Needs redis implementation.
-        throw new \Exception('setJti() for the Redis driver is currently unimplemented.');
-    }
-}
diff --git a/library/oauth2/src/OAuth2/Storage/RefreshTokenInterface.php b/library/oauth2/src/OAuth2/Storage/RefreshTokenInterface.php
deleted file mode 100644
index 0273f2125..000000000
--- a/library/oauth2/src/OAuth2/Storage/RefreshTokenInterface.php
+++ /dev/null
@@ -1,82 +0,0 @@
-<?php
-
-namespace OAuth2\Storage;
-
-/**
- * Implement this interface to specify where the OAuth2 Server
- * should get/save refresh tokens for the "Refresh Token"
- * grant type
- *
- * @author Brent Shaffer <bshafs at gmail dot com>
- */
-interface RefreshTokenInterface
-{
-    /**
-     * Grant refresh access tokens.
-     *
-     * Retrieve the stored data for the given refresh token.
-     *
-     * Required for OAuth2::GRANT_TYPE_REFRESH_TOKEN.
-     *
-     * @param $refresh_token
-     * Refresh token to be check with.
-     *
-     * @return
-     * An associative array as below, and NULL if the refresh_token is
-     * invalid:
-     * - refresh_token: Refresh token identifier.
-     * - client_id: Client identifier.
-     * - user_id: User identifier.
-     * - expires: Expiration unix timestamp, or 0 if the token doesn't expire.
-     * - scope: (optional) Scope values in space-separated string.
-     *
-     * @see http://tools.ietf.org/html/rfc6749#section-6
-     *
-     * @ingroup oauth2_section_6
-     */
-    public function getRefreshToken($refresh_token);
-
-    /**
-     * Take the provided refresh token values and store them somewhere.
-     *
-     * This function should be the storage counterpart to getRefreshToken().
-     *
-     * If storage fails for some reason, we're not currently checking for
-     * any sort of success/failure, so you should bail out of the script
-     * and provide a descriptive fail message.
-     *
-     * Required for OAuth2::GRANT_TYPE_REFRESH_TOKEN.
-     *
-     * @param $refresh_token
-     * Refresh token to be stored.
-     * @param $client_id
-     * Client identifier to be stored.
-     * @param $user_id
-     * User identifier to be stored.
-     * @param $expires
-     * Expiration timestamp to be stored. 0 if the token doesn't expire.
-     * @param $scope
-     * (optional) Scopes to be stored in space-separated string.
-     *
-     * @ingroup oauth2_section_6
-     */
-    public function setRefreshToken($refresh_token, $client_id, $user_id, $expires, $scope = null);
-
-    /**
-     * Expire a used refresh token.
-     *
-     * This is not explicitly required in the spec, but is almost implied.
-     * After granting a new refresh token, the old one is no longer useful and
-     * so should be forcibly expired in the data store so it can't be used again.
-     *
-     * If storage fails for some reason, we're not currently checking for
-     * any sort of success/failure, so you should bail out of the script
-     * and provide a descriptive fail message.
-     *
-     * @param $refresh_token
-     * Refresh token to be expirse.
-     *
-     * @ingroup oauth2_section_6
-     */
-    public function unsetRefreshToken($refresh_token);
-}
diff --git a/library/oauth2/src/OAuth2/Storage/ScopeInterface.php b/library/oauth2/src/OAuth2/Storage/ScopeInterface.php
deleted file mode 100644
index a8292269b..000000000
--- a/library/oauth2/src/OAuth2/Storage/ScopeInterface.php
+++ /dev/null
@@ -1,46 +0,0 @@
-<?php
-
-namespace OAuth2\Storage;
-
-/**
- * Implement this interface to specify where the OAuth2 Server
- * should retrieve data involving the relevent scopes associated
- * with this implementation.
- *
- * @author Brent Shaffer <bshafs at gmail dot com>
- */
-interface ScopeInterface
-{
-    /**
-     * Check if the provided scope exists.
-     *
-     * @param $scope
-     * A space-separated string of scopes.
-     *
-     * @return
-     * TRUE if it exists, FALSE otherwise.
-     */
-    public function scopeExists($scope);
-
-    /**
-     * The default scope to use in the event the client
-     * does not request one. By returning "false", a
-     * request_error is returned by the server to force a
-     * scope request by the client. By returning "null",
-     * opt out of requiring scopes
-     *
-     * @param $client_id
-     * An optional client id that can be used to return customized default scopes.
-     *
-     * @return
-     * string representation of default scope, null if
-     * scopes are not defined, or false to force scope
-     * request by the client
-     *
-     * ex:
-     *     'default'
-     * ex:
-     *     null
-     */
-    public function getDefaultScope($client_id = null);
-}
diff --git a/library/oauth2/src/OAuth2/Storage/UserCredentialsInterface.php b/library/oauth2/src/OAuth2/Storage/UserCredentialsInterface.php
deleted file mode 100644
index 6e0fd7bad..000000000
--- a/library/oauth2/src/OAuth2/Storage/UserCredentialsInterface.php
+++ /dev/null
@@ -1,52 +0,0 @@
-<?php
-
-namespace OAuth2\Storage;
-
-/**
- * Implement this interface to specify where the OAuth2 Server
- * should retrieve user credentials for the
- * "Resource Owner Password Credentials" grant type
- *
- * @author Brent Shaffer <bshafs at gmail dot com>
- */
-interface UserCredentialsInterface
-{
-    /**
-     * Grant access tokens for basic user credentials.
-     *
-     * Check the supplied username and password for validity.
-     *
-     * You can also use the $client_id param to do any checks required based
-     * on a client, if you need that.
-     *
-     * Required for OAuth2::GRANT_TYPE_USER_CREDENTIALS.
-     *
-     * @param $username
-     * Username to be check with.
-     * @param $password
-     * Password to be check with.
-     *
-     * @return
-     * TRUE if the username and password are valid, and FALSE if it isn't.
-     * Moreover, if the username and password are valid, and you want to
-     *
-     * @see http://tools.ietf.org/html/rfc6749#section-4.3
-     *
-     * @ingroup oauth2_section_4
-     */
-    public function checkUserCredentials($username, $password);
-
-    /**
-     * @return
-     * ARRAY the associated "user_id" and optional "scope" values
-     * This function MUST return FALSE if the requested user does not exist or is
-     * invalid. "scope" is a space-separated list of restricted scopes.
-     * @code
-     * return array(
-     *     "user_id"  => USER_ID,    // REQUIRED user_id to be stored with the authorization code or access token
-     *     "scope"    => SCOPE       // OPTIONAL space-separated list of restricted scopes
-     * );
-     * @endcode
-     */
-    public function getUserDetails($username);
-}