/**
* Builds the request string.
*
* The files array can be a combination of the following (either data or file):
*
* file => "path/to/file", filename=, mime=, data=
*
* @param array files (name => filedesc) (not urlencoded)
* @return array (headers, body)
*/
static function encodeBody($files)
{
$headers = array();
$body = null;
// 1. Add all the files to the post
if (!empty($files)) {
foreach ($files as $name => $f) {
$data = false;
$filename = false;
if (isset($f['filename'])) {
$filename = $f['filename'];
}
if (!empty($f['file'])) {
$data = @file_get_contents($f['file']);
if ($data === false) {
throw new OAuthException2(sprintf('Could not read the file "%s" for request body', $f['file']));
}
if (empty($filename)) {
$filename = basename($f['file']);
}
} else {
if (isset($f['data'])) {
$data = $f['data'];
}
}
// When there is data, add it as a request body, otherwise silently skip the upload
if ($data !== false) {
if (isset($headers['Content-Disposition'])) {
throw new OAuthException2('Only a single file (or data) allowed in a signed PUT/POST request body.');
}
if (empty($filename)) {
$filename = 'untitled';
}
$mime = !empty($f['mime']) ? $f['mime'] : 'application/octet-stream';
$headers['Content-Disposition'] = 'attachment; filename="' . OAuthBodyContentDisposition::encodeParameterName($filename) . '"';
$headers['Content-Type'] = $mime;
$body = $data;
}
}
// When we have a body, add the content-length
if (!is_null($body)) {
$headers['Content-Length'] = strlen($body);
}
}
return array($headers, $body);
}
