Add support for Harvest

src/OAuth/OAuth2/Service/Harvest.php

@@ -0,0 +1,87 @@
+<?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\Client\ClientInterface;
+use OAuth\Common\Storage\TokenStorageInterface;
+use OAuth\Common\Http\Uri\UriInterface;
+
+class Harvest extends AbstractService {
+
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage,
+        $scopes = array(),
+        UriInterface $baseApiUri = null
+    ) {
+        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
+
+        if ( null === $baseApiUri ) {
+            $this->baseApiUri = new Uri('https://api.github.com/');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAuthorizationEndpoint()
+    {
+        return new Uri('https://api.harvestapp.com/oauth2/authorize');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAccessTokenEndpoint()
+    {
+        return new Uri('https://api.harvestapp.com/oauth2/token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getAuthorizationMethod()
+    {
+        return static::AUTHORIZATION_METHOD_QUERY_STRING;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function parseAccessTokenResponse($responseBody)
+    {
+
+        echo "OK";
+        $data = json_decode($responseBody, true);
+
+        if ( null === $data || ! is_array($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']);
+        $token->setEndOfLife($data['expires_in']);
+
+        unset($data['access_token']);
+
+        $token->setExtraParams($data);
+
+        return $token;
+    }
+
+    /**
+     * @return array
+     */
+    protected function getExtraOAuthHeaders()
+    {
+        return array('Accept' => 'application/json');
+    }
+
+}