/**
* Open and close a curl session passing all the options to the curl libs
*
* @param array opts the curl options.
* @exception OAuthException2 when temporary file for PUT operation could not be created
* @return string the result of the curl action
*/
protected function curl_raw($opts = array())
{
if (isset($opts[CURLOPT_HTTPHEADER])) {
$header = $opts[CURLOPT_HTTPHEADER];
} else {
$header = array();
}
$ch = curl_init();
$method = $this->getMethod();
$url = $this->getRequestUrl();
$header[] = $this->getAuthorizationHeader();
$query = $this->getQueryString();
$body = $this->getBody();
$has_content_type = false;
foreach ($header as $h) {
if (strncasecmp($h, 'Content-Type:', 13) == 0) {
$has_content_type = true;
}
}
if (!is_null($body)) {
if ($method == 'TRACE') {
throw new OAuthException2('A body can not be sent with a TRACE operation');
}
// PUT and POST allow a request body
if (!empty($query)) {
$url .= '?' . $query;
}
// Make sure that the content type of the request is ok
if (!$has_content_type) {
$header[] = 'Content-Type: application/octet-stream';
$has_content_type = true;
}
// When PUTting, we need to use an intermediate file (because of the curl implementation)
if ($method == 'PUT') {
/*
if (version_compare(phpversion(), '5.2.0') >= 0)
{
// Use the data wrapper to create the file expected by the put method
$put_file = fopen('data://application/octet-stream;base64,'.base64_encode($body));
}
*/
$put_file = @tmpfile();
if (!$put_file) {
throw new OAuthException2('Could not create tmpfile for PUT operation');
}
fwrite($put_file, $body);
fseek($put_file, 0);
curl_setopt($ch, CURLOPT_PUT, true);
curl_setopt($ch, CURLOPT_INFILE, $put_file);
curl_setopt($ch, CURLOPT_INFILESIZE, strlen($body));
} else {
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
}
} else {
// a 'normal' request, no body to be send
if ($method == 'POST') {
if (!$has_content_type) {
$header[] = 'Content-Type: application/x-www-form-urlencoded; charset=utf-8';
$has_content_type = true;
}
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $query);
} else {
if (!empty($query)) {
$url .= '?' . $query;
}
if ($method != 'GET') {
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $method);
}
}
}
curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
curl_setopt($ch, CURLOPT_USERAGENT, 'anyMeta/OAuth 1.0 - ($LastChangedRevision: 174 $)');
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HEADER, true);
curl_setopt($ch, CURLOPT_TIMEOUT, 90);
foreach ($opts as $k => $v) {
if ($k != CURLOPT_HTTPHEADER) {
curl_setopt($ch, $k, $v);
}
}
$txt = curl_exec($ch);
if ($txt === false) {
$error = curl_error($ch);
curl_close($ch);
throw new OAuthException2('CURL error: ' . $error);
}
curl_close($ch);
if (!empty($put_file)) {
fclose($put_file);
}
// Tell the logger what we requested and what we received back
$data = $method . " {$url}\n" . implode("\n", $header);
if (is_string($body)) {
$data .= "\n\n" . $body;
} else {
if ($method == 'POST') {
$data .= "\n\n" . $query;
}
}
LingotekOAuthRequestLogger::setSent($data, $body);
LingotekOAuthRequestLogger::setReceived($txt);
return $txt;
}
/**
* Try to fetch an XRDS file at the given location. Sends an accept header preferring the xrds file.
*
* @param string uri
* @return array (head,body), false on an error
*/
protected static function curl($uri)
{
$ch = curl_init();
curl_setopt($ch, CURLOPT_HTTPHEADER, array('Accept: application/xrds+xml, */*;q=0.1'));
curl_setopt($ch, CURLOPT_USERAGENT, 'anyMeta/OAuth 1.0 - (OAuth Discovery $LastChangedRevision: 45 $)');
curl_setopt($ch, CURLOPT_URL, $uri);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HEADER, true);
curl_setopt($ch, CURLOPT_TIMEOUT, 30);
$txt = curl_exec($ch);
curl_close($ch);
// Tell the logger what we requested and what we received back
$data = "GET {$uri}";
LingotekOAuthRequestLogger::setSent($data, "");
LingotekOAuthRequestLogger::setReceived($txt);
return $txt;
}