/**
* Normalize parameter values. Parameters are sorted by name, using lexicographical byte value ordering.
* If two or more parameters share the same name, they are sorted by their value.
* Parameters are concatenated in their sorted order into a single string.
* For each parameter, the name is separated from the corresponding value by an "=" character,
* even if the value is empty. Each name-value pair is separated by an "&" character.
*/
public function normalize($params)
{
ksort($params);
$paramList = array();
foreach ($params as $k => $values) {
if (is_array($values)) {
asort($values);
foreach ($values as $v) {
$paramList[] = OauthHelper::escape($k) . '=' . OauthHelper::escape($v);
}
} else {
$paramList[] = OauthHelper::escape($k) . '=' . OauthHelper::escape($values);
}
}
return implode('&', $paramList);
}
/**
* Set oauth request to query string
*
* @return void
*/
private function __setOAuthQueryString()
{
$oauthParamsStr = OauthHelper::mapper($this->oauthHelper->oauthParameters(), "&", '');
$uri = $this->sock->parseUri($this->path);
if (!isset($uri['query']) || $uri['query'] == '' || count($uri['query']) == 0) {
$uri['query'] = $oauthParamsStr;
} else {
$uri['query'] = OauthHelper::mapper($uri['query'], "&", '') . "&" . $oauthParamsStr;
}
$this->path($uri);
$signature = "&oauth_signature=" . OauthHelper::escape($this->oauthHelper->signature());
$this->sock->config['request']['uri']['query'] .= $signature;
$this->query = $this->sock->config['request']['uri']['query'];
//OauthHelper::log('setOAuthQueryString::config' . $this->sock->config);
//OauthHelper::log('setOAuthQueryString::query' . $this->query);
//$this->sockUri->config['request']['uri']['query'] .= $signature;
}
/**
* Authorization header for OAuth
*
* @return string
*/
public function oauthHeader($options = array())
{
$headerParams = array();
foreach ($this->oauthParameters() as $name => $value) {
$headerParams[] = $name . '="' . OauthHelper::escape($value) . '"';
}
$headerParamsStr = join(', ', $headerParams);
if (!empty($this->options['realm'])) {
$realm = 'realm="' . $this->options['realm'] . '", "';
} else {
$realm = '';
}
return "OAuth " . $realm . $headerParamsStr;
}
/**
* Generate base string for signature
*
* @return string
*/
public function signatureBaseString()
{
$normalizedParams = $this->request->parametersForSignature();
ksort($normalizedParams);
$normalizedParamsJoined = array();
foreach ($normalizedParams as $key => $value) {
$normalizedParamsJoined[] = OauthHelper::escape($key) . '=' . OauthHelper::escape($value);
}
$normalizedParams = implode('&', $normalizedParamsJoined);
$base = array($this->request->method(), $this->request->uri(), $normalizedParams);
$result = implode("&", array_map(array(&$this, 'escape'), $base));
OauthHelper::log(array('signatureBaseString' => $result));
return $result;
}
