initial checkin

1 files changed, 399 insertions, 0 deletions

diff --git a/vendor/league/oauth2-client/src/Provider/AbstractProvider.php b/vendor/league/oauth2-client/src/Provider/AbstractProvider.php
new file mode 100644
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+++ b/vendor/league/oauth2-client/src/Provider/AbstractProvider.php
@@ -0,0 +1,399 @@
+<?php
+
+namespace League\OAuth2\Client\Provider;
+
+use Closure;
+use Guzzle\Http\Exception\BadResponseException;
+use Guzzle\Service\Client as GuzzleClient;
+use League\OAuth2\Client\Exception\IDPException as IDPException;
+use League\OAuth2\Client\Grant\GrantInterface;
+use League\OAuth2\Client\Token\AccessToken as AccessToken;
+
+abstract class AbstractProvider implements ProviderInterface
+{
+    public $clientId = '';
+
+    public $clientSecret = '';
+
+    public $redirectUri = '';
+
+    public $state;
+
+    public $name;
+
+    public $uidKey = 'uid';
+
+    public $scopes = [];
+
+    public $method = 'post';
+
+    public $scopeSeparator = ',';
+
+    public $responseType = 'json';
+
+    public $headers = [];
+
+    public $authorizationHeader;
+
+    /**
+     * @var GuzzleClient
+     */
+    protected $httpClient;
+
+    protected $redirectHandler;
+
+    /**
+     * @var int This represents: PHP_QUERY_RFC1738, which is the default value for php 5.4
+     *          and the default encoding type for the http_build_query setup
+     */
+    protected $httpBuildEncType = 1;
+
+    public function __construct($options = [])
+    {
+        foreach ($options as $option => $value) {
+            if (property_exists($this, $option)) {
+                $this->{$option} = $value;
+            }
+        }
+
+        $this->setHttpClient(new GuzzleClient());
+    }
+
+    public function setHttpClient(GuzzleClient $client)
+    {
+        $this->httpClient = $client;
+
+        return $this;
+    }
+
+    public function getHttpClient()
+    {
+        $client = clone $this->httpClient;
+
+        return $client;
+    }
+
+    /**
+     * Get the URL that this provider uses to begin authorization.
+     *
+     * @return string
+     */
+    abstract public function urlAuthorize();
+
+    /**
+     * Get the URL that this provider uses to request an access token.
+     *
+     * @return string
+     */
+    abstract public function urlAccessToken();
+
+    /**
+     * Get the URL that this provider uses to request user details.
+     *
+     * Since this URL is typically an authorized route, most providers will require you to pass the access_token as
+     * a parameter to the request. For example, the google url is:
+     *
+     * 'https://www.googleapis.com/oauth2/v1/userinfo?alt=json&access_token='.$token
+     *
+     * @param AccessToken $token
+     * @return string
+     */
+    abstract public function urlUserDetails(AccessToken $token);
+
+    /**
+     * Given an object response from the server, process the user details into a format expected by the user
+     * of the client.
+     *
+     * @param object $response
+     * @param AccessToken $token
+     * @return mixed
+     */
+    abstract public function userDetails($response, AccessToken $token);
+
+    public function getScopes()
+    {
+        return $this->scopes;
+    }
+
+    public function setScopes(array $scopes)
+    {
+        $this->scopes = $scopes;
+    }
+
+    public function getAuthorizationUrl($options = [])
+    {
+        $this->state = isset($options['state']) ? $options['state'] : md5(uniqid(rand(), true));
+
+        $params = [
+            'client_id' => $this->clientId,
+            'redirect_uri' => $this->redirectUri,
+            'state' => $this->state,
+            'scope' => is_array($this->scopes) ? implode($this->scopeSeparator, $this->scopes) : $this->scopes,
+            'response_type' => isset($options['response_type']) ? $options['response_type'] : 'code',
+            'approval_prompt' => isset($options['approval_prompt']) ? $options['approval_prompt'] : 'auto',
+        ];
+
+        return $this->urlAuthorize().'?'.$this->httpBuildQuery($params, '', '&');
+    }
+
+    // @codeCoverageIgnoreStart
+    public function authorize($options = [])
+    {
+        $url = $this->getAuthorizationUrl($options);
+        if ($this->redirectHandler) {
+            $handler = $this->redirectHandler;
+            return $handler($url);
+        }
+        // @codeCoverageIgnoreStart
+        header('Location: ' . $url);
+        exit;
+        // @codeCoverageIgnoreEnd
+    }
+
+    public function getAccessToken($grant = 'authorization_code', $params = [])
+    {
+        if (is_string($grant)) {
+            // PascalCase the grant. E.g: 'authorization_code' becomes 'AuthorizationCode'
+            $className = str_replace(' ', '', ucwords(str_replace(['-', '_'], ' ', $grant)));
+            $grant = 'League\\OAuth2\\Client\\Grant\\'.$className;
+            if (! class_exists($grant)) {
+                throw new \InvalidArgumentException('Unknown grant "'.$grant.'"');
+            }
+            $grant = new $grant();
+        } elseif (! $grant instanceof GrantInterface) {
+            $message = get_class($grant).' is not an instance of League\OAuth2\Client\Grant\GrantInterface';
+            throw new \InvalidArgumentException($message);
+        }
+
+        $defaultParams = [
+            'client_id'     => $this->clientId,
+            'client_secret' => $this->clientSecret,
+            'redirect_uri'  => $this->redirectUri,
+            'grant_type'    => $grant,
+        ];
+
+        $requestParams = $grant->prepRequestParams($defaultParams, $params);
+
+        try {
+            switch (strtoupper($this->method)) {
+                case 'GET':
+                    // @codeCoverageIgnoreStart
+                    // No providers included with this library use get but 3rd parties may
+                    $client = $this->getHttpClient();
+                    $client->setBaseUrl($this->urlAccessToken() . '?' . $this->httpBuildQuery($requestParams, '', '&'));
+                    $request = $client->get(null, $this->getHeaders(), $requestParams)->send();
+                    $response = $request->getBody();
+                    break;
+                    // @codeCoverageIgnoreEnd
+                case 'POST':
+                    $client = $this->getHttpClient();
+                    $client->setBaseUrl($this->urlAccessToken());
+                    $request = $client->post(null, $this->getHeaders(), $requestParams)->send();
+                    $response = $request->getBody();
+                    break;
+                // @codeCoverageIgnoreStart
+                default:
+                    throw new \InvalidArgumentException('Neither GET nor POST is specified for request');
+                // @codeCoverageIgnoreEnd
+            }
+        } catch (BadResponseException $e) {
+            // @codeCoverageIgnoreStart
+            $response = $e->getResponse()->getBody();
+            // @codeCoverageIgnoreEnd
+        }
+
+        $result = $this->prepareResponse($response);
+
+        if (isset($result['error']) && ! empty($result['error'])) {
+            // @codeCoverageIgnoreStart
+            throw new IDPException($result);
+            // @codeCoverageIgnoreEnd
+        }
+
+        $result = $this->prepareAccessTokenResult($result);
+
+        return $grant->handleResponse($result);
+    }
+
+    /**
+     * Prepare the response, parsing according to configuration and returning
+     * the response as an array.
+     *
+     * @param  string $response
+     * @return array
+     */
+    protected function prepareResponse($response)
+    {
+        $result = [];
+
+        switch ($this->responseType) {
+            case 'json':
+                $json = json_decode($response, true);
+
+                if (JSON_ERROR_NONE === json_last_error()) {
+                    $result = $json;
+                }
+
+                break;
+            case 'string':
+                parse_str($response, $result);
+                break;
+        }
+
+        return $result;
+    }
+
+    /**
+     * Prepare the access token response for the grant. Custom mapping of
+     * expirations, etc should be done here.
+     *
+     * @param  array $result
+     * @return array
+     */
+    protected function prepareAccessTokenResult(array $result)
+    {
+        $this->setResultUid($result);
+        return $result;
+    }
+
+    /**
+     * Sets any result keys we've received matching our provider-defined uidKey to the key "uid".
+     *
+     * @param array $result
+     */
+    protected function setResultUid(array &$result)
+    {
+        // If we're operating with the default uidKey there's nothing to do.
+        if ($this->uidKey === "uid") {
+            return;
+        }
+
+        if (isset($result[$this->uidKey])) {
+            // The AccessToken expects a "uid" to have the key "uid".
+            $result['uid'] = $result[$this->uidKey];
+        }
+    }
+
+    public function getUserDetails(AccessToken $token)
+    {
+        $response = $this->fetchUserDetails($token);
+
+        return $this->userDetails(json_decode($response), $token);
+    }
+
+    public function getUserUid(AccessToken $token)
+    {
+        $response = $this->fetchUserDetails($token, true);
+
+        return $this->userUid(json_decode($response), $token);
+    }
+
+    public function getUserEmail(AccessToken $token)
+    {
+        $response = $this->fetchUserDetails($token, true);
+
+        return $this->userEmail(json_decode($response), $token);
+    }
+
+    public function getUserScreenName(AccessToken $token)
+    {
+        $response = $this->fetchUserDetails($token, true);
+
+        return $this->userScreenName(json_decode($response), $token);
+    }
+
+    public function userUid($response, AccessToken $token)
+    {
+        return isset($response->id) && $response->id ? $response->id : null;
+    }
+
+    public function userEmail($response, AccessToken $token)
+    {
+        return isset($response->email) && $response->email ? $response->email : null;
+    }
+
+    public function userScreenName($response, AccessToken $token)
+    {
+        return isset($response->name) && $response->name ? $response->name : null;
+    }
+
+    /**
+     * Build HTTP the HTTP query, handling PHP version control options
+     *
+     * @param  array        $params
+     * @param  integer      $numeric_prefix
+     * @param  string       $arg_separator
+     * @param  null|integer $enc_type
+     *
+     * @return string
+     * @codeCoverageIgnoreStart
+     */
+    protected function httpBuildQuery($params, $numeric_prefix = 0, $arg_separator = '&', $enc_type = null)
+    {
+        if (version_compare(PHP_VERSION, '5.4.0', '>=') && !defined('HHVM_VERSION')) {
+            if ($enc_type === null) {
+                $enc_type = $this->httpBuildEncType;
+            }
+            $url = http_build_query($params, $numeric_prefix, $arg_separator, $enc_type);
+        } else {
+            $url = http_build_query($params, $numeric_prefix, $arg_separator);
+        }
+
+        return $url;
+    }
+
+    protected function fetchUserDetails(AccessToken $token)
+    {
+        $url = $this->urlUserDetails($token);
+
+        $headers = $this->getHeaders($token);
+
+        return $this->fetchProviderData($url, $headers);
+    }
+
+    protected function fetchProviderData($url, array $headers = [])
+    {
+        try {
+            $client = $this->getHttpClient();
+            $client->setBaseUrl($url);
+
+            if ($headers) {
+                $client->setDefaultOption('headers', $headers);
+            }
+
+            $request = $client->get()->send();
+            $response = $request->getBody();
+        } catch (BadResponseException $e) {
+            // @codeCoverageIgnoreStart
+            $response = $e->getResponse()->getBody();
+            $result = $this->prepareResponse($response);
+            throw new IDPException($result);
+            // @codeCoverageIgnoreEnd
+        }
+
+        return $response;
+    }
+
+    protected function getAuthorizationHeaders($token)
+    {
+        $headers = [];
+        if ($this->authorizationHeader) {
+            $headers['Authorization'] = $this->authorizationHeader . ' ' . $token;
+        }
+        return $headers;
+    }
+
+    public function getHeaders($token = null)
+    {
+        $headers = $this->headers;
+        if ($token) {
+            $headers = array_merge($headers, $this->getAuthorizationHeaders($token));
+        }
+        return $headers;
+    }
+
+    public function setRedirectHandler(Closure $handler)
+    {
+        $this->redirectHandler = $handler;
+    }
+}