Add Google authentication

4 files changed, 339 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
+                ),
+            )
+        );
+    }
+}