csna_kaixin.module 2.17 KB
<?php

/**
 * @file
 * The CSNA Kaixin module is a sub-module of the Chinese Social Networks
 * Authentication (CSNA) framework allowing integration with the Kaixin OAuth
 * protocol for Authentication/Login.
 */

/**
 * Implements hook_csna_provider_info().
 */
function csna_kaixin_csna_provider_info() {
  $providers = array();
  $providers['kaixin'] = array(
    'title' => t('Kaixin'),
    'description' => t('Set your <strong>Kaixin authorized KEY</strong> and <strong>SECRET</strong> below.<br/>If you want to use an API key, you can get one at the !keylink.', array('!keylink' => l(t('Kaixin API website'), 'http://open.kaixin001.com/', array('attributes' => array('target' => '_blank'))))),
    'display_title' => csna_get_kaixin_button_image(),
    'authorize_uri' => 'http://api.kaixin001.com/oauth2/authorize',
    'access_token_uri' => 'http://api.kaixin001.com/oauth2/access_token',
    'info_uri' => 'https://api.kaixin001.com/users/me.json',
  );
  return $providers;
}

/**
 * Helper function for returning a themed image for the Kaixin display title.
 */
function csna_get_kaixin_button_image() {
  $image_arr = array(
    'path' => drupal_get_path('module', 'csna_kaixin') . '/kaixin_135x24.png',
    'title' => t('Sign in with Kaixin'),
    'alt' => t('Sign in with Kaixin'),
  );
  return theme('image', $image_arr);
}

/**
 * Implements hook_csna_provider_callback().
 */
function csna_kaixin_csna_provider_callback($provider, $request) {
  if (isset($request['code'])) {
    $parameters = array(
      'client_id' => $provider['key'],
      'client_secret' => $provider['secret'],
      'grant_type' => 'authorization_code',
      'redirect_uri' => $provider['callback'],
      'code' => $request['code'],
    );
    $http = drupal_http_request(url($provider['access_token_uri'], array('query' => $parameters)));
    $data = json_decode($http->data);
    $http = drupal_http_request(url($provider['info_uri'], array('query' => array('access_token' => $data->access_token))));
    $info = json_decode($http->data);
    if (!isset($info->uid)) {
      return FALSE;
    }
    return array(
      'access_token' => $data->access_token,
      'uid' => $info->uid,
      'name' => $info->name,
    );
  }
}