/**
* Makes a request to the Yelp API and returns the response
*
* @param $host The domain host of the API
* @param $path The path of the APi after the domain
* @return The JSON response from the request
*/
function request($host, $path)
{
$unsigned_url = "http://" . $host . $path;
// Token object built using the OAuth library
$token = new OAuthToken($this->TOKEN, $this->TOKEN_SECRET);
// Consumer object built using the OAuth library
$consumer = new OAuthConsumer($this->CONSUMER_KEY, $this->CONSUMER_SECRET);
// Yelp uses HMAC SHA1 encoding
$signature_method = new OAuthSignatureMethod_HMAC_SHA1();
$oauthrequest = OAuthRequest::from_consumer_and_token($consumer, $token, 'GET', $unsigned_url);
// Sign the request
$oauthrequest->sign_request($signature_method, $consumer, $token);
// Get the signed URL
$signed_url = $oauthrequest->to_url();
// Send Yelp API Call
$ch = curl_init($signed_url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HEADER, 0);
$data = curl_exec($ch);
curl_close($ch);
return $data;
}
/**
* pretty much a helper function to set up the request
*/
public static function from_consumer_and_token($consumer, $token, $http_method, $http_url, $parameters = NULL)
{
@$parameters or $parameters = array();
$defaults = array("oauth_version" => OAuthRequest::$version, "oauth_nonce" => OAuthRequest::generate_nonce(), "oauth_timestamp" => OAuthRequest::generate_timestamp(), "oauth_consumer_key" => $consumer->key);
if ($token) {
$defaults['oauth_token'] = $token->key;
}
$parameters = array_merge($defaults, $parameters);
return new OAuthRequest($http_method, $http_url, $parameters);
}
/**
* Format and sign an OAuth / API request
*/
function oAuthRequest($url, $method, $parameters)
{
if (strrpos($url, 'https://') !== 0 && strrpos($url, 'http://') !== 0) {
$url = "{$this->host}{$url}.{$this->format}";
}
$request = OAuthRequest::from_consumer_and_token($this->consumer, $this->token, $method, $url, $parameters);
$request->sign_request($this->sha1_method, $this->consumer, $this->token);
switch ($method) {
case 'GET':
return $this->http($request->to_url(), 'GET');
default:
return $this->http($request->get_normalized_http_url(), $method, $request->to_postdata());
}
}
