csna_renren.module
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<?php
/**
* @file
* The CSNA Renren module is a sub-module of the Chinese Social Networks
* Authentication (CSNA) framework allowing integration with the Renren OAuth
* protocol for Authentication/Login.
*/
/**
* Implements hook_csna_provider_info().
*/
function csna_renren_csna_provider_info() {
$providers = array();
$providers['renren'] = array(
'title' => t('Renren'),
'description' => t('Set your <strong>Renren 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('Renren API website'), 'http://dev.renren.com/website', array('attributes' => array('target' => '_blank'))))),
'display_title' => csna_get_renren_button_image(),
'authorize_uri' => 'https://graph.renren.com/oauth/authorize',
'access_token_uri' => 'https://graph.renren.com/oauth/token',
'active' => TRUE,
);
return $providers;
}
/**
* Helper function for returning a themed image for the Renren display title.
*/
function csna_get_renren_button_image() {
$image_arr = array(
'path' => drupal_get_path('module', 'csna_renren') . '/renren_133x28.png',
'title' => t('Sign in with Renren'),
'alt' => t('Sign in with Renren'),
);
return theme('image', $image_arr);
}
/**
* Implements hook_csna_provider_callback().
*/
function csna_renren_csna_provider_callback($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'],
);
$param_data = array(
'method' => 'POST',
'data' => drupal_http_build_query($parameters),
);
$http = drupal_http_request(url($provider['access_token_uri'], array('query' => $parameters)), $param_data);
$data = json_decode($http->data);
if (!isset($data->user->id)) {
return FALSE;
}
return array(
'access_token' => $data->access_token,
'uid' => $data->user->id,
'name' => $data->user->name,
);
}
}