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<?php
namespace Drupal\jquery_social_stream\Twitter;
class OAuthUtil {
public static function urlencode_rfc3986($input) {
if (is_array($input)) {
return array_map(array(
'\\Drupal\\jquery_social_stream\\Twitter\\OAuthUtil',
'urlencode_rfc3986',
), $input);
}
else {
if (is_scalar($input)) {
return str_replace('+', ' ', str_replace('%7E', '~', rawurlencode($input)));
}
else {
return '';
}
}
}
public static function urldecode_rfc3986($string) {
return urldecode($string);
}
public static function split_header($header, $only_allow_oauth_parameters = true) {
$pattern = '/(([-_a-z]*)=("([^"]*)"|([^,]*)),?)/';
$offset = 0;
$params = array();
while (preg_match($pattern, $header, $matches, PREG_OFFSET_CAPTURE, $offset) > 0) {
$match = $matches[0];
$header_name = $matches[2][0];
$header_content = isset($matches[5]) ? $matches[5][0] : $matches[4][0];
if (preg_match('/^oauth_/', $header_name) || !$only_allow_oauth_parameters) {
$params[$header_name] = OAuthUtil::urldecode_rfc3986($header_content);
}
$offset = $match[1] + strlen($match[0]);
}
if (isset($params['realm'])) {
unset($params['realm']);
}
return $params;
}
public static function get_headers() {
if (function_exists('apache_request_headers')) {
$headers = apache_request_headers();
$out = array();
foreach ($headers as $key => $value) {
$key = str_replace(" ", "-", ucwords(strtolower(str_replace("-", " ", $key))));
$out[$key] = $value;
}
}
else {
$out = array();
if (isset($_SERVER['CONTENT_TYPE'])) {
$out['Content-Type'] = $_SERVER['CONTENT_TYPE'];
}
if (isset($_ENV['CONTENT_TYPE'])) {
$out['Content-Type'] = $_ENV['CONTENT_TYPE'];
}
foreach ($_SERVER as $key => $value) {
if (substr($key, 0, 5) == "HTTP_") {
$key = str_replace(" ", "-", ucwords(strtolower(str_replace("_", " ", substr($key, 5)))));
$out[$key] = $value;
}
}
}
return $out;
}
public static function parse_parameters($input) {
if (!isset($input) || !$input) {
return array();
}
$pairs = explode('&', $input);
$parsed_parameters = array();
foreach ($pairs as $pair) {
$split = explode('=', $pair, 2);
$parameter = OAuthUtil::urldecode_rfc3986($split[0]);
$value = isset($split[1]) ? OAuthUtil::urldecode_rfc3986($split[1]) : '';
if (isset($parsed_parameters[$parameter])) {
if (is_scalar($parsed_parameters[$parameter])) {
$parsed_parameters[$parameter] = array(
$parsed_parameters[$parameter],
);
}
$parsed_parameters[$parameter][] = $value;
}
else {
$parsed_parameters[$parameter] = $value;
}
}
return $parsed_parameters;
}
public static function build_http_query($params) {
if (!$params) {
return '';
}
$keys = OAuthUtil::urlencode_rfc3986(array_keys($params));
$values = OAuthUtil::urlencode_rfc3986(array_values($params));
$params = array_combine($keys, $values);
uksort($params, 'strcmp');
$pairs = array();
foreach ($params as $parameter => $value) {
if (is_array($value)) {
natsort($value);
foreach ($value as $duplicate_value) {
$pairs[] = $parameter . '=' . $duplicate_value;
}
}
else {
$pairs[] = $parameter . '=' . $value;
}
}
return implode('&', $pairs);
}
}