Hitting the myGengo API from within Drupal.

mygengo_api_drupal.php

<?php 

// ...
// Use like... 
//     $this->requestFromGengo('translate/service/languages', 'GET');
//     $this->requestFromGengo('translate/job', 'GET', array(
//         'id' => 1
//     ));
// ...

    public $apiURL = 'http://api.mygengo.com/v1.1/';
    public $sandboxURL = 'http://api.sandbox.mygengo.com/v1.1/';
    public $useSandbox = TRUE;

    public function requestFromGengo($endpoint, $method, $data = array()) {
        $options = array(
            'headers' => array(
                'User-Agent' => 'Drupal myGengo Translation Interface v0.1',
                'Accept' => 'application/json'
            ),
            'method' => $method
        );

        $timestamp = gmdate('U');
        $url = ($this->useSandbox ? $this->sandboxURL : $this->apiURL) . $endpoint;

        /**
         *    If it's a GET or DELETE request, just sign it and send it appropriately. PUT/POST
         *    get a little more annoying...
         */
        if($method == 'GET' || $method == 'DELETE') {
            $query_data = drupal_http_build_query(array_merge(array(
                'api_key' => 'your_api_key',
                'api_sig' => hash_hmac('sha1', $timestamp, 'your_api_private_key'),
                'ts' => $timestamp
            ), $data));

            $response = drupal_http_request($url .'?'. $query_data, $options);

        } else {
            $options['headers']['Content-Type'] = 'application/x-www-form-urlencoded';
            $options['data'] = drupal_http_build_query(array(
                'api_key' => 'your_api_key',
                'api_sig' => hash_hmac('sha1', $timestamp, 'your_api_private_key'),
                'ts' => $timestamp,
                'data' => json_encode($data)
            ));

            $response = drupal_http_request($url, $options);
        }

        $results = json_decode($response->data);
        if($results->opstat == 'ok' && isset($results->response)) {
            return $results->response;
        } else {
            // TODO: Raise an actual error. >_>
            return array();
        }
    }

// ...