1 files changed, 151 insertions, 0 deletions
diff --git a/vendor/OAuth/OAuth2/Service/Buffer.php b/vendor/OAuth/OAuth2/Service/Buffer.php
new file mode 100644
index 00000000..5905678e
--- /dev/null
+++ b/vendor/OAuth/OAuth2/Service/Buffer.php
@@ -0,0 +1,151 @@
+<?php
+
+namespace OAuth\OAuth2\Service;
+
+use OAuth\OAuth2\Token\StdOAuth2Token;
+use OAuth\Common\Http\Exception\TokenResponseException;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+
+/**
+ * Buffer API.
+ * @author  Sumukh Sridhara <@sumukhsridhara>
+ * @link https://bufferapp.com/developers/api
+ */
+class Buffer extends AbstractService
+{
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+        if ($baseApiUri === null) {
+            $this->baseApiUri = new Uri('https://api.bufferapp.com/1/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://bufferapp.com/oauth2/authorize');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://api.bufferapp.com/1/oauth2/token.json');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_QUERY_STRING;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationUri(array $additionalParameters = array())
+    {
+        $parameters = array_merge(
+            $additionalParameters,
+            array(
+                'client_id'     => $this->credentials->getConsumerId(),
+                'redirect_uri'  => $this->credentials->getCallbackUrl(),
+                'response_type' => 'code',
+            )
+        );
+
+        // Build the url
+        $url = clone $this->getAuthorizationEndpoint();
+        foreach ($parameters as $key => $val) {
+            $url->addToQuery($key, $val);
+        }
+
+        return $url;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function requestRequestToken()
+    {
+        $responseBody = $this->httpClient->retrieveResponse(
+            $this->getRequestTokenEndpoint(),
+            array(
+                'client_key' => $this->credentials->getConsumerId(),
+                'redirect_uri' => $this->credentials->getCallbackUrl(),
+                'response_type' => 'code',
+            )
+        );
+
+        $code = $this->parseRequestTokenResponse($responseBody);
+
+        return $code;
+    }
+
+    protected function parseRequestTokenResponse($responseBody)
+    {
+        parse_str($responseBody, $data);
+
+        if (null === $data || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (!isset($data['code'])) {
+            throw new TokenResponseException('Error in retrieving code.');
+        }
+        return $data['code'];
+    }
+
+    public function requestAccessToken($code)
+    {
+        $bodyParams = array(
+            'client_id'     => $this->credentials->getConsumerId(),
+            'client_secret' => $this->credentials->getConsumerSecret(),
+            'redirect_uri' => $this->credentials->getCallbackUrl(),
+            'code'          => $code,
+            'grant_type'    => 'authorization_code',
+        );
+
+        $responseBody = $this->httpClient->retrieveResponse(
+            $this->getAccessTokenEndpoint(),
+            $bodyParams,
+            $this->getExtraOAuthHeaders()
+        );
+        $token = $this->parseAccessTokenResponse($responseBody);
+        $this->storage->storeAccessToken($this->service(), $token);
+
+        return $token;
+    }
+
+    protected function parseAccessTokenResponse($responseBody)
+    {
+        $data = json_decode($responseBody, true);
+
+        if ($data === null || !is_array($data)) {
+            throw new TokenResponseException('Unable to parse response.');
+        } elseif (isset($data['error'])) {
+            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
+        }
+
+        $token = new StdOAuth2Token();
+        $token->setAccessToken($data['access_token']);
+
+        $token->setEndOfLife(StdOAuth2Token::EOL_NEVER_EXPIRES);
+        unset($data['access_token']);
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+}