function connect($url)
{
// Establish an Blogger_OAuth consumer
$base_url = admin_url();
$request_token_endpoint = 'https://www.google.com/accounts/OAuthGetRequestToken';
$authorize_endpoint = 'https://www.google.com/accounts/OAuthAuthorizeToken';
$test_consumer = new Blogger_OAuthConsumer('anonymous', 'anonymous', null); // anonymous is a google thing to allow non-registered apps to work
if (!Blogger_OAuthUtil::sslinstalled())
{
return new WP_Error('OpenSSL', __('OpenSSL is not installed check your PHP.INI or ask your server provider to enable the OpenSSL module.','blogger-importer'));
}
//prepare to get request token
//https://developers.google.com/accounts/docs/OAuth_ref#RequestToken
$sig_method = new Blogger_OAuthSignatureMethod_HMAC_SHA1();
$parsed = parse_url($request_token_endpoint);
$params = array('callback' => $base_url, 'scope' => 'http://www.blogger.com/feeds/', 'xoauth_displayname' => 'WordPress');
$req_req = Blogger_OAuthRequest::from_consumer_and_token($test_consumer, null, "GET", $request_token_endpoint, $params);
$req_req->sign_request($sig_method, $test_consumer, null);
// go get the request tokens from Google
$req_response = wp_remote_get($req_req->to_url(), array('sslverify' => false, 'timeout' => Blogger_Import::REMOTE_TIMEOUT));
if (is_wp_error($req_response))
{
return $req_response;
}
$req_token = wp_remote_retrieve_body($req_response);
if (is_wp_error($req_token))
{
return $req_token;
}
// parse the tokens
parse_str($req_token, $tokens);
$oauth_token = $tokens['oauth_token'];
$oauth_token_secret = $tokens['oauth_token_secret'];
//AGC:10/10/2012 Added error handling here based on http://wordpress.org/support/topic/plugin-blogger-importer-invalid-token/page/2?replies=31#post-3243710
if ($oauth_token == '')
{
return new WP_Error('Invalid Token', __('Invalid Token: Check server date, firewall settings and transports (curl, streams and fsockopen)','blogger-importer'));
} else
{
$this->callback_url = add_query_arg(array( 'token' => $oauth_token, 'secret' => $oauth_token_secret ),$url);
$this->endpoint = $authorize_endpoint;
$this->oauth_token = $oauth_token;
return true;
}
}
public static function build_http_query($params) {
if (!$params) return '';
// Urlencode both keys and values
$keys = Blogger_OAuthUtil::urlencode_rfc3986(array_keys($params));
$values = Blogger_OAuthUtil::urlencode_rfc3986(array_values($params));
$params = array_combine($keys, $values);
// Parameters are sorted by name, using lexicographical byte value ordering.
// Ref: Spec: 9.1.1 (1)
uksort($params, 'strcmp');
$pairs = array();
foreach ($params as $parameter => $value) {
if (is_array($value)) {
// If two or more parameters share the same name, they are sorted by their value
// Ref: Spec: 9.1.1 (1)
// June 12th, 2010 - changed to sort because of issue 164 by hidetaka
sort($value, SORT_STRING);
foreach ($value as $duplicate_value) {
$pairs[] = $parameter . '=' . $duplicate_value;
}
} else {
$pairs[] = $parameter . '=' . $value;
}
}
// For each parameter, the name is separated from the corresponding value by an '=' character (ASCII code 61)
// Each name-value pair is separated by an '&' character (ASCII code 38)
return implode('&', $pairs);
}
