public static function oauth_sign_request(&$urlparts, &$requestData)
{
$profile = isset($requestData['profile']['name']) ? $requestData['profile']['name'] : 'default';
# Do nothing, if no OAuth options
if (!isset(self::$datastore[$profile])) {
return;
}
# Required values
$oauth_data = array('oauth_consumer_key' => self::$datastore[$profile]['consumer_key'], 'oauth_nonce' => md5(mt_rand()), 'oauth_timestamp' => time(), 'oauth_version' => '1.0', 'oauth_signature_method' => 'HMAC-SHA1');
if (isset(self::$datastore[$profile]['token'])) {
$oauth_data['oauth_token'] = self::$datastore[$profile]['token'];
}
# ADD GET and POST variables
if (isset($requestData['get'])) {
$oauth_data = array_merge($oauth_data, $requestData['get']);
}
if (isset($requestData['post']) and is_array($requestData['post'])) {
$oauth_data = array_merge($oauth_data, $requestData['post']);
}
# Convert array
$parameters = array();
foreach ($oauth_data as $key => $value) {
$parameters[] = array(self::encode($key), self::encode($value));
}
# Sort parameters by key, then by value
usort($parameters, array(__CLASS__, 'parameter_sort_callback'));
# Create base string
$array = array();
foreach ($parameters as $index => $pair) {
if ($pair[1] !== null) {
$array[] = $pair[0] . '=' . $pair[1];
}
}
#foreach($parameters as $index => $pair) $array[] = $pair[0].'='.$pair[1];
$base_string = implode('&', $array);
# Generate URL and base string
$url = xhttp::unparse_url($urlparts);
$base_string = self::encode(strtoupper($requestData['method'])) . '&' . self::encode($url) . '&' . self::encode($base_string);
# Combine Consumer Secret and Token Secret
$secret_key = self::encode(self::$datastore[$profile]['consumer_secret']) . '&' . self::encode(self::$datastore[$profile]['token_secret']);
self::$last_basestring = $base_string;
self::$last_secretkey = $secret_key;
# Generate Signature
$oauth_data['oauth_signature'] = base64_encode(hash_hmac('sha1', $base_string, $secret_key, true));
if (self::$datastore[$profile]['method'] == 'get' or self::$datastore[$profile]['method'] == 'post') {
$method = self::$datastore[$profile]['method'];
foreach ($oauth_data as $key => $value) {
if (substr($key, 0, 6) == 'oauth_' and $value !== null) {
$requestData[$method][$key] = $value;
}
}
} else {
# Set Host header
$requestData['headers']['Host'] = $urlparts['host'] . ':' . $urlparts['port'];
# Set Authorization Header
$authorization = 'OAuth ';
if (isset(self::$datastore[$profile]['realm'])) {
if (self::$datastore[$profile]['realm']) {
$authorization .= 'realm="' . self::$datastore[$profile]['realm'] . '", ';
}
} else {
$authorization .= 'realm="' . $url . '", ';
}
foreach ($oauth_data as $key => $value) {
if (substr($key, 0, 6) == 'oauth_' and $value !== null) {
$authorization .= $key . '="' . self::encode($value) . '", ';
}
}
$requestData['headers']['Authorization'] = rtrim($authorization, ', ');
}
# Other Headers
if (!isset($requestData['headers']['User-Agent'])) {
$requestData['headers']['User-Agent'] = 'sudocode.net xhttp oauth plugin';
}
# Clean GET data
if (isset($requestData['get']) and is_array($requestData['get'])) {
$vars = array();
foreach ($requestData['get'] as $key => $value) {
if (substr($key, 0, 5) != 'oauth' or self::$datastore[$profile]['method'] == 'get') {
$vars[$key] = $value;
}
}
$requestData['get'] = $vars;
}
# Clean POST data
if (isset($requestData['post']) and is_array($requestData['post'])) {
$vars = array();
foreach ($requestData['post'] as $key => $value) {
if (substr($key, 0, 5) != 'oauth' or self::$datastore[$profile]['method'] == 'post') {
$vars[$key] = $value;
}
}
$requestData['post'] = $vars;
}
}
