Add Google authentication

9 files changed, 1102 insertions, 0 deletions

diff --git a/vendor/OAuth/Common/Http/Client/AbstractClient.php b/vendor/OAuth/Common/Http/Client/AbstractClient.php
new file mode 100755
index 00000000..94000b18
--- /dev/null
+++ b/vendor/OAuth/Common/Http/Client/AbstractClient.php
@@ -0,0 +1,73 @@
+<?php
+
+namespace OAuth\Common\Http\Client;
+
+/**
+ * Abstract HTTP client
+ */
+abstract class AbstractClient implements ClientInterface
+{
+    /**
+     * @var string The user agent string passed to services
+     */
+    protected $userAgent;
+
+    /**
+     * @var int The maximum number of redirects
+     */
+    protected $maxRedirects = 5;
+
+    /**
+     * @var int The maximum timeout
+     */
+    protected $timeout = 15;
+
+    /**
+     * Creates instance
+     *
+     * @param string $userAgent The UA string the client will use
+     */
+    public function __construct($userAgent = 'PHPoAuthLib')
+    {
+        $this->userAgent = $userAgent;
+    }
+
+    /**
+     * @param int $redirects Maximum redirects for client
+     *
+     * @return ClientInterface
+     */
+    public function setMaxRedirects($redirects)
+    {
+        $this->maxRedirects = $redirects;
+
+        return $this;
+    }
+
+    /**
+     * @param int $timeout Request timeout time for client in seconds
+     *
+     * @return ClientInterface
+     */
+    public function setTimeout($timeout)
+    {
+        $this->timeout = $timeout;
+
+        return $this;
+    }
+
+    /**
+     * @param array $headers
+     */
+    public function normalizeHeaders(&$headers)
+    {
+        // Normalize headers
+        array_walk(
+            $headers,
+            function (&$val, &$key) {
+                $key = ucfirst(strtolower($key));
+                $val = ucfirst(strtolower($key)) . ': ' . $val;
+            }
+        );
+    }
+}
diff --git a/vendor/OAuth/Common/Http/Client/ClientInterface.php b/vendor/OAuth/Common/Http/Client/ClientInterface.php
new file mode 100755
index 00000000..f9c20226
--- /dev/null
+++ b/vendor/OAuth/Common/Http/Client/ClientInterface.php
@@ -0,0 +1,32 @@
+<?php
+
+namespace OAuth\Common\Http\Client;
+
+use OAuth\Common\Http\Uri\UriInterface;
+use OAuth\Common\Http\Exception\TokenResponseException;
+
+/**
+ * Any HTTP clients to be used with the library should implement this interface.
+ */
+interface ClientInterface
+{
+    /**
+     * Any implementing HTTP providers should send a request to the provided endpoint with the parameters.
+     * They should return, in string form, the response body and throw an exception on error.
+     *
+     * @param UriInterface $endpoint
+     * @param mixed        $requestBody
+     * @param array        $extraHeaders
+     * @param string       $method
+     *
+     * @return string
+     *
+     * @throws TokenResponseException
+     */
+    public function retrieveResponse(
+        UriInterface $endpoint,
+        $requestBody,
+        array $extraHeaders = array(),
+        $method = 'POST'
+    );
+}
diff --git a/vendor/OAuth/Common/Http/Client/CurlClient.php b/vendor/OAuth/Common/Http/Client/CurlClient.php
new file mode 100755
index 00000000..eae1be3e
--- /dev/null
+++ b/vendor/OAuth/Common/Http/Client/CurlClient.php
@@ -0,0 +1,142 @@
+<?php
+
+namespace OAuth\Common\Http\Client;
+
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\UriInterface;
+
+/**
+ * Client implementation for cURL
+ */
+class CurlClient extends AbstractClient
+{
+    /**
+     * If true, explicitly sets cURL to use SSL version 3. Use this if cURL
+     * compiles with GnuTLS SSL.
+     *
+     * @var bool
+     */
+    private $forceSSL3 = false;
+
+    /**
+     * Additional parameters (as `key => value` pairs) to be passed to `curl_setopt`
+     *
+     * @var array
+     */
+    private $parameters = array();
+
+    /**
+     * Additional `curl_setopt` parameters
+     *
+     * @param array $parameters
+     */
+    public function setCurlParameters(array $parameters)
+    {
+        $this->parameters = $parameters;
+    }
+
+    /**
+     * @param bool $force
+     *
+     * @return CurlClient
+     */
+    public function setForceSSL3($force)
+    {
+        $this->forceSSL3 = $force;
+
+        return $this;
+    }
+
+    /**
+     * Any implementing HTTP providers should send a request to the provided endpoint with the parameters.
+     * They should return, in string form, the response body and throw an exception on error.
+     *
+     * @param UriInterface $endpoint
+     * @param mixed        $requestBody
+     * @param array        $extraHeaders
+     * @param string       $method
+     *
+     * @return string
+     *
+     * @throws TokenResponseException
+     * @throws \InvalidArgumentException
+     */
+    public function retrieveResponse(
+        UriInterface $endpoint,
+        $requestBody,
+        array $extraHeaders = array(),
+        $method = 'POST'
+    ) {
+        // Normalize method name
+        $method = strtoupper($method);
+
+        $this->normalizeHeaders($extraHeaders);
+
+        if ($method === 'GET' && !empty($requestBody)) {
+            throw new \InvalidArgumentException('No body expected for "GET" request.');
+        }
+
+        if (!isset($extraHeaders['Content-Type']) && $method === 'POST' && is_array($requestBody)) {
+            $extraHeaders['Content-Type'] = 'Content-Type: application/x-www-form-urlencoded';
+        }
+
+        $extraHeaders['Host']       = 'Host: '.$endpoint->getHost();
+        $extraHeaders['Connection'] = 'Connection: close';
+
+        $ch = curl_init();
+
+        curl_setopt($ch, CURLOPT_URL, $endpoint->getAbsoluteUri());
+
+        if ($method === 'POST' || $method === 'PUT') {
+            if ($requestBody && is_array($requestBody)) {
+                $requestBody = http_build_query($requestBody, '', '&');
+            }
+
+            if ($method === 'PUT') {
+                curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'PUT');
+            } else {
+                curl_setopt($ch, CURLOPT_POST, true);
+            }
+
+            curl_setopt($ch, CURLOPT_POSTFIELDS, $requestBody);
+        } else {
+            curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $method);
+        }
+
+        if ($this->maxRedirects > 0) {
+            curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
+            curl_setopt($ch, CURLOPT_MAXREDIRS, $this->maxRedirects);
+        }
+
+        curl_setopt($ch, CURLOPT_TIMEOUT, $this->timeout);
+        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+        curl_setopt($ch, CURLOPT_HEADER, false);
+        curl_setopt($ch, CURLOPT_HTTPHEADER, $extraHeaders);
+        curl_setopt($ch, CURLOPT_USERAGENT, $this->userAgent);
+
+        foreach ($this->parameters as $key => $value) {
+            curl_setopt($ch, $key, $value);
+        }
+
+        if ($this->forceSSL3) {
+            curl_setopt($ch, CURLOPT_SSLVERSION, 3);
+        }
+
+        $response     = curl_exec($ch);
+        $responseCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
+
+        if (false === $response) {
+            $errNo  = curl_errno($ch);
+            $errStr = curl_error($ch);
+            curl_close($ch);
+            if (empty($errStr)) {
+                throw new TokenResponseException('Failed to request resource.', $responseCode);
+            }
+            throw new TokenResponseException('cURL Error # '.$errNo.': '.$errStr, $responseCode);
+        }
+
+        curl_close($ch);
+
+        return $response;
+    }
+}
diff --git a/vendor/OAuth/Common/Http/Client/StreamClient.php b/vendor/OAuth/Common/Http/Client/StreamClient.php
new file mode 100755
index 00000000..7f3c5249
--- /dev/null
+++ b/vendor/OAuth/Common/Http/Client/StreamClient.php
@@ -0,0 +1,92 @@
+<?php
+
+namespace OAuth\Common\Http\Client;
+
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\UriInterface;
+
+/**
+ * Client implementation for streams/file_get_contents
+ */
+class StreamClient extends AbstractClient
+{
+    /**
+     * Any implementing HTTP providers should send a request to the provided endpoint with the parameters.
+     * They should return, in string form, the response body and throw an exception on error.
+     *
+     * @param UriInterface $endpoint
+     * @param mixed        $requestBody
+     * @param array        $extraHeaders
+     * @param string       $method
+     *
+     * @return string
+     *
+     * @throws TokenResponseException
+     * @throws \InvalidArgumentException
+     */
+    public function retrieveResponse(
+        UriInterface $endpoint,
+        $requestBody,
+        array $extraHeaders = array(),
+        $method = 'POST'
+    ) {
+        // Normalize method name
+        $method = strtoupper($method);
+
+        $this->normalizeHeaders($extraHeaders);
+
+        if ($method === 'GET' && !empty($requestBody)) {
+            throw new \InvalidArgumentException('No body expected for "GET" request.');
+        }
+
+        if (!isset($extraHeaders['Content-Type']) && $method === 'POST' && is_array($requestBody)) {
+            $extraHeaders['Content-Type'] = 'Content-Type: application/x-www-form-urlencoded';
+        }
+
+        $host = 'Host: '.$endpoint->getHost();
+        // Append port to Host if it has been specified
+        if ($endpoint->hasExplicitPortSpecified()) {
+            $host .= ':'.$endpoint->getPort();
+        }
+
+        $extraHeaders['Host']       = $host;
+        $extraHeaders['Connection'] = 'Connection: close';
+
+        if (is_array($requestBody)) {
+            $requestBody = http_build_query($requestBody, '', '&');
+        }
+        $extraHeaders['Content-length'] = 'Content-length: '.strlen($requestBody);
+
+        $context = $this->generateStreamContext($requestBody, $extraHeaders, $method);
+
+        $level = error_reporting(0);
+        $response = file_get_contents($endpoint->getAbsoluteUri(), false, $context);
+        error_reporting($level);
+        if (false === $response) {
+            $lastError = error_get_last();
+            if (is_null($lastError)) {
+                throw new TokenResponseException('Failed to request resource.');
+            }
+            throw new TokenResponseException($lastError['message']);
+        }
+
+        return $response;
+    }
+
+    private function generateStreamContext($body, $headers, $method)
+    {
+        return stream_context_create(
+            array(
+                'http' => array(
+                    'method'           => $method,
+                    'header'           => implode("\r\n", array_values($headers)),
+                    'content'          => $body,
+                    'protocol_version' => '1.1',
+                    'user_agent'       => $this->userAgent,
+                    'max_redirects'    => $this->maxRedirects,
+                    'timeout'          => $this->timeout
+                ),
+            )
+        );
+    }
+}
diff --git a/vendor/OAuth/Common/Http/Exception/TokenResponseException.php b/vendor/OAuth/Common/Http/Exception/TokenResponseException.php
new file mode 100755
index 00000000..c519a223
--- /dev/null
+++ b/vendor/OAuth/Common/Http/Exception/TokenResponseException.php
@@ -0,0 +1,12 @@
+<?php
+
+namespace OAuth\Common\Http\Exception;
+
+use OAuth\Common\Exception\Exception;
+
+/**
+ * Exception relating to token response from service.
+ */
+class TokenResponseException extends Exception
+{
+}
diff --git a/vendor/OAuth/Common/Http/Uri/Uri.php b/vendor/OAuth/Common/Http/Uri/Uri.php
new file mode 100755
index 00000000..c5114937
--- /dev/null
+++ b/vendor/OAuth/Common/Http/Uri/Uri.php
@@ -0,0 +1,408 @@
+<?php
+
+namespace OAuth\Common\Http\Uri;
+
+use InvalidArgumentException;
+
+/**
+ * Standards-compliant URI class.
+ */
+class Uri implements UriInterface
+{
+    /**
+     * @var string
+     */
+    private $scheme = 'http';
+
+    /**
+     * @var string
+     */
+    private $userInfo = '';
+
+    /**
+     * @var string
+     */
+    private $rawUserInfo = '';
+
+    /**
+     * @var string
+     */
+    private $host;
+
+    /**
+     * @var int
+     */
+    private $port = 80;
+
+    /**
+     * @var string
+     */
+    private $path = '/';
+
+    /**
+     * @var string
+     */
+    private $query = '';
+
+    /**
+     * @var string
+     */
+    private $fragment = '';
+
+    /**
+     * @var bool
+     */
+    private $explicitPortSpecified = false;
+
+    /**
+     * @var bool
+     */
+    private $explicitTrailingHostSlash = false;
+
+    /**
+     * @param string $uri
+     */
+    public function __construct($uri = null)
+    {
+        if (null !== $uri) {
+            $this->parseUri($uri);
+        }
+    }
+
+    /**
+     * @param string $uri
+     *
+     * @throws \InvalidArgumentException
+     */
+    protected function parseUri($uri)
+    {
+        if (false === ($uriParts = parse_url($uri))) {
+            // congratulations if you've managed to get parse_url to fail,
+            // it seems to always return some semblance of a parsed url no matter what
+            throw new InvalidArgumentException("Invalid URI: $uri");
+        }
+
+        if (!isset($uriParts['scheme'])) {
+            throw new InvalidArgumentException('Invalid URI: http|https scheme required');
+        }
+
+        $this->scheme = $uriParts['scheme'];
+        $this->host = $uriParts['host'];
+
+        if (isset($uriParts['port'])) {
+            $this->port = $uriParts['port'];
+            $this->explicitPortSpecified = true;
+        } else {
+            $this->port = strcmp('https', $uriParts['scheme']) ? 80 : 443;
+            $this->explicitPortSpecified = false;
+        }
+
+        if (isset($uriParts['path'])) {
+            $this->path = $uriParts['path'];
+            if ('/' === $uriParts['path']) {
+                $this->explicitTrailingHostSlash = true;
+            }
+        } else {
+            $this->path = '/';
+        }
+
+        $this->query = isset($uriParts['query']) ? $uriParts['query'] : '';
+        $this->fragment = isset($uriParts['fragment']) ? $uriParts['fragment'] : '';
+
+        $userInfo = '';
+        if (!empty($uriParts['user'])) {
+            $userInfo .= $uriParts['user'];
+        }
+        if ($userInfo && !empty($uriParts['pass'])) {
+            $userInfo .= ':' . $uriParts['pass'];
+        }
+
+        $this->setUserInfo($userInfo);
+    }
+
+    /**
+     * @param string $rawUserInfo
+     *
+     * @return string
+     */
+    protected function protectUserInfo($rawUserInfo)
+    {
+        $colonPos = strpos($rawUserInfo, ':');
+
+        // rfc3986-3.2.1 | http://tools.ietf.org/html/rfc3986#section-3.2
+        // "Applications should not render as clear text any data
+        // after the first colon (":") character found within a userinfo
+        // subcomponent unless the data after the colon is the empty string
+        // (indicating no password)"
+        if ($colonPos !== false && strlen($rawUserInfo)-1 > $colonPos) {
+            return substr($rawUserInfo, 0, $colonPos) . ':********';
+        } else {
+            return $rawUserInfo;
+        }
+    }
+
+    /**
+     * @return string
+     */
+    public function getScheme()
+    {
+        return $this->scheme;
+    }
+
+    /**
+     * @return string
+     */
+    public function getUserInfo()
+    {
+        return $this->userInfo;
+    }
+
+    /**
+     * @return string
+     */
+    public function getRawUserInfo()
+    {
+        return $this->rawUserInfo;
+    }
+
+    /**
+     * @return string
+     */
+    public function getHost()
+    {
+        return $this->host;
+    }
+
+    /**
+     * @return int
+     */
+    public function getPort()
+    {
+        return $this->port;
+    }
+
+    /**
+     * @return string
+     */
+    public function getPath()
+    {
+        return $this->path;
+    }
+
+    /**
+     * @return string
+     */
+    public function getQuery()
+    {
+        return $this->query;
+    }
+
+    /**
+     * @return string
+     */
+    public function getFragment()
+    {
+        return $this->fragment;
+    }
+
+    /**
+     * Uses protected user info by default as per rfc3986-3.2.1
+     * Uri::getRawAuthority() is available if plain-text password information is desirable.
+     *
+     * @return string
+     */
+    public function getAuthority()
+    {
+        $authority = $this->userInfo ? $this->userInfo.'@' : '';
+        $authority .= $this->host;
+
+        if ($this->explicitPortSpecified) {
+            $authority .= ":{$this->port}";
+        }
+
+        return $authority;
+    }
+
+    /**
+     * @return string
+     */
+    public function getRawAuthority()
+    {
+        $authority = $this->rawUserInfo ? $this->rawUserInfo.'@' : '';
+        $authority .= $this->host;
+
+        if ($this->explicitPortSpecified) {
+            $authority .= ":{$this->port}";
+        }
+
+        return $authority;
+    }
+
+    /**
+     * @return string
+     */
+    public function getAbsoluteUri()
+    {
+        $uri = $this->scheme . '://' . $this->getRawAuthority();
+
+        if ('/' === $this->path) {
+            $uri .= $this->explicitTrailingHostSlash ? '/' : '';
+        } else {
+            $uri .= $this->path;
+        }
+
+        if (!empty($this->query)) {
+            $uri .= "?{$this->query}";
+        }
+
+        if (!empty($this->fragment)) {
+            $uri .= "#{$this->fragment}";
+        }
+
+        return $uri;
+    }
+
+    /**
+     * @return string
+     */
+    public function getRelativeUri()
+    {
+        $uri = '';
+
+        if ('/' === $this->path) {
+            $uri .= $this->explicitTrailingHostSlash ? '/' : '';
+        } else {
+            $uri .= $this->path;
+        }
+
+        return $uri;
+    }
+
+    /**
+     * Uses protected user info by default as per rfc3986-3.2.1
+     * Uri::getAbsoluteUri() is available if plain-text password information is desirable.
+     *
+     * @return string
+     */
+    public function __toString()
+    {
+        $uri = $this->scheme . '://' . $this->getAuthority();
+
+        if ('/' === $this->path) {
+            $uri .= $this->explicitTrailingHostSlash ? '/' : '';
+        } else {
+            $uri .= $this->path;
+        }
+
+        if (!empty($this->query)) {
+            $uri .= "?{$this->query}";
+        }
+
+        if (!empty($this->fragment)) {
+            $uri .= "#{$this->fragment}";
+        }
+
+        return $uri;
+    }
+
+    /**
+     * @param $path
+     */
+    public function setPath($path)
+    {
+        if (empty($path)) {
+            $this->path = '/';
+            $this->explicitTrailingHostSlash = false;
+        } else {
+            $this->path = $path;
+            if ('/' === $this->path) {
+                $this->explicitTrailingHostSlash = true;
+            }
+        }
+    }
+
+    /**
+     * @param string $query
+     */
+    public function setQuery($query)
+    {
+        $this->query = $query;
+    }
+
+    /**
+     * @param string $var
+     * @param string $val
+     */
+    public function addToQuery($var, $val)
+    {
+        if (strlen($this->query) > 0) {
+            $this->query .= '&';
+        }
+        $this->query .= http_build_query(array($var => $val), '', '&');
+    }
+
+    /**
+     * @param string $fragment
+     */
+    public function setFragment($fragment)
+    {
+        $this->fragment = $fragment;
+    }
+
+    /**
+     * @param string $scheme
+     */
+    public function setScheme($scheme)
+    {
+        $this->scheme = $scheme;
+    }
+
+
+    /**
+     * @param string $userInfo
+     */
+    public function setUserInfo($userInfo)
+    {
+        $this->userInfo = $userInfo ? $this->protectUserInfo($userInfo) : '';
+        $this->rawUserInfo = $userInfo;
+    }
+
+
+    /**
+     * @param int $port
+     */
+    public function setPort($port)
+    {
+        $this->port = intval($port);
+
+        if (('https' === $this->scheme && $this->port === 443) || ('http' === $this->scheme && $this->port === 80)) {
+            $this->explicitPortSpecified = false;
+        } else {
+            $this->explicitPortSpecified = true;
+        }
+    }
+
+    /**
+     * @param string $host
+     */
+    public function setHost($host)
+    {
+        $this->host = $host;
+    }
+
+    /**
+     * @return bool
+     */
+    public function hasExplicitTrailingHostSlash()
+    {
+        return $this->explicitTrailingHostSlash;
+    }
+
+    /**
+     * @return bool
+     */
+    public function hasExplicitPortSpecified()
+    {
+        return $this->explicitPortSpecified;
+    }
+}
diff --git a/vendor/OAuth/Common/Http/Uri/UriFactory.php b/vendor/OAuth/Common/Http/Uri/UriFactory.php
new file mode 100755
index 00000000..127aa203
--- /dev/null
+++ b/vendor/OAuth/Common/Http/Uri/UriFactory.php
@@ -0,0 +1,168 @@
+<?php
+
+namespace OAuth\Common\Http\Uri;
+
+use RuntimeException;
+
+/**
+ * Factory class for uniform resource indicators
+ */
+class UriFactory implements UriFactoryInterface
+{
+    /**
+     * Factory method to build a URI from a super-global $_SERVER array.
+     *
+     * @param array $_server
+     *
+     * @return UriInterface
+     */
+    public function createFromSuperGlobalArray(array $_server)
+    {
+        if ($uri = $this->attemptProxyStyleParse($_server)) {
+            return $uri;
+        }
+
+        $scheme = $this->detectScheme($_server);
+        $host = $this->detectHost($_server);
+        $port = $this->detectPort($_server);
+        $path = $this->detectPath($_server);
+        $query = $this->detectQuery($_server);
+
+        return $this->createFromParts($scheme, '', $host, $port, $path, $query);
+    }
+
+    /**
+     * @param string $absoluteUri
+     *
+     * @return UriInterface
+     */
+    public function createFromAbsolute($absoluteUri)
+    {
+        return new Uri($absoluteUri);
+    }
+
+    /**
+     * Factory method to build a URI from parts
+     *
+     * @param string $scheme
+     * @param string $userInfo
+     * @param string $host
+     * @param string $port
+     * @param string $path
+     * @param string $query
+     * @param string $fragment
+     *
+     * @return UriInterface
+     */
+    public function createFromParts($scheme, $userInfo, $host, $port, $path = '', $query = '', $fragment = '')
+    {
+        $uri = new Uri();
+        $uri->setScheme($scheme);
+        $uri->setUserInfo($userInfo);
+        $uri->setHost($host);
+        $uri->setPort($port);
+        $uri->setPath($path);
+        $uri->setQuery($query);
+        $uri->setFragment($fragment);
+
+        return $uri;
+    }
+
+    /**
+     * @param array $_server
+     *
+     * @return UriInterface|null
+     */
+    private function attemptProxyStyleParse($_server)
+    {
+        // If the raw HTTP request message arrives with a proxy-style absolute URI in the
+        // initial request line, the absolute URI is stored in $_SERVER['REQUEST_URI'] and
+        // we only need to parse that.
+        if (isset($_server['REQUEST_URI']) && parse_url($_server['REQUEST_URI'], PHP_URL_SCHEME)) {
+            return new Uri($_server['REQUEST_URI']);
+        }
+
+        return null;
+    }
+
+    /**
+     * @param array $_server
+     *
+     * @return string
+     *
+     * @throws RuntimeException
+     */
+    private function detectPath($_server)
+    {
+        if (isset($_server['REQUEST_URI'])) {
+            $uri = $_server['REQUEST_URI'];
+        } elseif (isset($_server['REDIRECT_URL'])) {
+            $uri = $_server['REDIRECT_URL'];
+        } else {
+            throw new RuntimeException('Could not detect URI path from superglobal');
+        }
+
+        $queryStr = strpos($uri, '?');
+        if ($queryStr !== false) {
+            $uri = substr($uri, 0, $queryStr);
+        }
+
+        return $uri;
+    }
+
+    /**
+     * @param array $_server
+     *
+     * @return string
+     */
+    private function detectHost(array $_server)
+    {
+        $host = isset($_server['HTTP_HOST']) ? $_server['HTTP_HOST'] : '';
+
+        if (strstr($host, ':')) {
+            $host = parse_url($host, PHP_URL_HOST);
+        }
+
+        return $host;
+    }
+
+    /**
+     * @param array $_server
+     *
+     * @return string
+     */
+    private function detectPort(array $_server)
+    {
+        return isset($_server['SERVER_PORT']) ? $_server['SERVER_PORT'] : 80;
+    }
+
+    /**
+     * @param array $_server
+     *
+     * @return string
+     */
+    private function detectQuery(array $_server)
+    {
+        return isset($_server['QUERY_STRING']) ? $_server['QUERY_STRING'] : '';
+    }
+
+    /**
+     * Determine URI scheme component from superglobal array
+     *
+     * When using ISAPI with IIS, the value will be "off" if the request was
+     * not made through the HTTPS protocol. As a result, we filter the
+     * value to a bool.
+     *
+     * @param array $_server A super-global $_SERVER array
+     *
+     * @return string Returns http or https depending on the URI scheme
+     */
+    private function detectScheme(array $_server)
+    {
+        if (isset($_server['HTTPS']) && filter_var($_server['HTTPS'], FILTER_VALIDATE_BOOLEAN)) {
+            return 'https';
+        } else {
+            return 'http';
+        }
+    }
+}
diff --git a/vendor/OAuth/Common/Http/Uri/UriFactoryInterface.php b/vendor/OAuth/Common/Http/Uri/UriFactoryInterface.php
new file mode 100755
index 00000000..2b157d84
--- /dev/null
+++ b/vendor/OAuth/Common/Http/Uri/UriFactoryInterface.php
@@ -0,0 +1,42 @@
+<?php
+
+namespace OAuth\Common\Http\Uri;
+
+/**
+ * Factory interface for uniform resource indicators
+ */
+interface UriFactoryInterface
+{
+    /**
+     * Factory method to build a URI from a super-global $_SERVER array.
+     *
+     * @param array $_server
+     *
+     * @return UriInterface
+     */
+    public function createFromSuperGlobalArray(array $_server);
+
+    /**
+     * Creates a URI from an absolute URI
+     *
+     * @param string $absoluteUri
+     *
+     * @return UriInterface
+     */
+    public function createFromAbsolute($absoluteUri);
+
+    /**
+     * Factory method to build a URI from parts
+     *
+     * @param string $scheme
+     * @param string $userInfo
+     * @param string $host
+     * @param string $port
+     * @param string $path
+     * @param string $query
+     * @param string $fragment
+     *
+     * @return UriInterface
+     */
+    public function createFromParts($scheme, $userInfo, $host, $port, $path = '', $query = '', $fragment = '');
+}
diff --git a/vendor/OAuth/Common/Http/Uri/UriInterface.php b/vendor/OAuth/Common/Http/Uri/UriInterface.php
new file mode 100755
index 00000000..008d4647
--- /dev/null
+++ b/vendor/OAuth/Common/Http/Uri/UriInterface.php
@@ -0,0 +1,133 @@
+<?php
+
+namespace OAuth\Common\Http\Uri;
+
+interface UriInterface
+{
+    /**
+     * @return string
+     */
+    public function getScheme();
+
+    /**
+     * @param string $scheme
+     */
+    public function setScheme($scheme);
+
+    /**
+     * @return string
+     */
+    public function getHost();
+
+    /**
+     * @param string $host
+     */
+    public function setHost($host);
+
+    /**
+     * @return int
+     */
+    public function getPort();
+
+    /**
+     * @param int $port
+     */
+    public function setPort($port);
+
+    /**
+     * @return string
+     */
+    public function getPath();
+
+    /**
+     * @param string $path
+     */
+    public function setPath($path);
+
+    /**
+     * @return string
+     */
+    public function getQuery();
+
+    /**
+     * @param string $query
+     */
+    public function setQuery($query);
+
+    /**
+     * Adds a param to the query string.
+     *
+     * @param string $var
+     * @param string $val
+     */
+    public function addToQuery($var, $val);
+
+    /**
+     * @return string
+     */
+    public function getFragment();
+
+    /**
+     * Should return URI user info, masking protected user info data according to rfc3986-3.2.1
+     *
+     * @return string
+     */
+    public function getUserInfo();
+
+    /**
+     * @param string $userInfo
+     */
+    public function setUserInfo($userInfo);
+
+    /**
+     * Should return the URI Authority, masking protected user info data according to rfc3986-3.2.1
+     *
+     * @return string
+     */
+    public function getAuthority();
+
+    /**
+     * Should return the URI string, masking protected user info data according to rfc3986-3.2.1
+     *
+     * @return string the URI string with user protected info masked
+     */
+    public function __toString();
+
+    /**
+     * Should return the URI Authority without masking protected user info data
+     *
+     * @return string
+     */
+    public function getRawAuthority();
+
+    /**
+     * Should return the URI user info without masking protected user info data
+     *
+     * @return string
+     */
+    public function getRawUserInfo();
+
+    /**
+     * Build the full URI based on all the properties
+     *
+     * @return string The full URI without masking user info
+     */
+    public function getAbsoluteUri();
+
+    /**
+     * Build the relative URI based on all the properties
+     *
+     * @return string The relative URI
+     */
+    public function getRelativeUri();
+
+    /**
+     * @return bool
+     */
+    public function hasExplicitTrailingHostSlash();
+
+    /**
+     * @return bool
+     */
+    public function hasExplicitPortSpecified();
+}