/**
* This is called to begin the oauth token exchange. This should only
* need to be called once for a user, provided they allow oauth access.
* It will return a URL that your site should redirect to, allowing the
* user to login and accept your application.
*
* @param string $callback the page on your site you wish to return to
* after the user grants your application access.
*
* @return mixed either the URL to redirect to, or if they specified HMAC
* signing an array with the token_secret and the redirect url
*/
public function get_request_token($callback)
{
$baseurl = self::SCHEME . '://' . self::HOST . self::REQUEST_URI;
//Generate an array with the initial oauth values we need
$auth = build_auth_array($baseurl, $this->_consumer['key'], $this->_consumer['secret'], array('oauth_callback' => urlencode($callback)), $this->_consumer['method'], $this->_consumer['algorithm']);
//Create the "Authorization" portion of the header
$str = "";
foreach ($auth as $key => $value) {
$str .= ",{$key}=\"{$value}\"";
}
$str = 'Authorization: OAuth ' . substr($str, 1);
//Send it
$response = $this->_connect($baseurl, $str);
//We should get back a request token and secret which
//we will add to the redirect url.
parse_str($response, $resarray);
//Return the full redirect url and let the user decide what to do from there.
$redirect = self::SCHEME . '://' . self::HOST . self::AUTHORIZE_URI . "?oauth_token={$resarray['oauth_token']}";
// If they are using HMAC then we need to return the
// token secret for them to store.
if ($this->_consumer['algorithm'] == OAUTH_ALGORITHMS::RSA_SHA1) {
return $redirect;
} else {
return array('token_secret' => $resarray['oauth_token_secret'], 'redirect' => $redirect);
}
}
public function get_request_token($callback)
{
$baseurl = self::SCHEME . '://' . self::HOST . self::REQUEST_URI;
$auth = build_auth_array($baseurl, $this->_consumer['key'], $this->_consumer['secret'], array('oauth_callback' => urlencode($callback)), $this->_consumer['method'], $this->_consumer['algorithm']);
$str = "";
foreach ($auth as $key => $value) {
$str .= ",{$key}=\"{$value}\"";
}
$str = 'Authorization: OAuth ' . substr($str, 1);
$response = $this->_connect($baseurl, $str);
parse_str($response, $resarray);
$redirect = self::SCHEME . '://' . self::HOST . self::AUTHORIZE_URI . "?oauth_token={$resarray['oauth_token']}";
if ($this->_consumer['algorithm'] == OAUTH_ALGORITHMS::RSA_SHA1) {
return $redirect;
} else {
return array('token_secret' => $resarray['oauth_token_secret'], 'redirect' => $redirect);
}
}
/**
* This is called to begin the oauth token exchange. This should only
* need to be called once for a user, provided they allow oauth access.
* It will return a URL that your site should redirect to, allowing the
* user to login and accept your application.
*
* @param string $callback the page on your site you wish to return to
* after the user grants your application access.
* @return mixed either the URL to redirect to, or if they specified HMAC
* signing an array with the token_secret and the redirect url
*/
public function get_request_token($callback)
{
$baseurl = self::SCHEME . '://' . self::HOST . '/' . self::API_VERSION . self::REQUEST_URI;
//Generate an array with the initial oauth values we need
$auth = build_auth_array($baseurl, $this->_consumer['key'], $this->_consumer['secret'], array(), $this->_consumer['method'], $this->_consumer['algorithm']);
//Create the "Authorization" portion of the header
$str = "";
foreach ($auth as $key => $value) {
$str .= ",{$key}=\"{$value}\"";
}
$str = 'Authorization: OAuth ' . substr($str, 1);
//Send it
$response = $this->_connect($baseurl, $str, $this->_consumer['method']);
//We should get back a request token and secret which
//we will add to the redirect url.
parse_str($response, $resarray);
$callback = urlencode($callback);
//Return the full redirect url and let the user decide what to do from there.
$redirect = self::SCHEME . '://www.dropbox.com/' . self::API_VERSION . self::AUTHORIZE_URI . "?oauth_token={$resarray['oauth_token']}&oauth_callback={$callback}";
return array('token_secret' => $resarray['oauth_token_secret'], 'redirect' => $redirect);
}
/**
* Creates the authorization portion of a header NOTE: This does not
* create a complete http header. Also NOTE: the oauth_token parameter
* should be passed in using the $extra array.
*
* @param string $baseurl the base url we are authenticating against.
* @param string $key your consumer key
* @param string $secret either your consumer secret key or the file location of your rsa private key.
* @param array $extra additional oauth parameters that should be included (you must urlencode a parameter, if appropriate, before calling this function)
* @param string $method either GET or POST
* @param string $algo either HMAC-SHA1 or RSA-SHA1 (NOTE: this affects what you put in for the secret parameter)
* @return string the header authorization portion with trailing \r\n
*/
function get_auth_header($baseurl, $key, $secret, $extra = array(), $method = 'GET', $algo = OAUTH_ALGORITHMS::RSA_SHA1)
{
$auth = build_auth_array($baseurl, $key, $secret, $extra, $method, $algo);
return build_auth_string($auth);
}
