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/*
Copyright (C) 2005-2009 Michel de Boer <michel@twinklephone.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "hdr_www_authenticate.h"
#include "definitions.h"
#include "util.h"
t_hdr_www_authenticate::t_hdr_www_authenticate() : t_header("WWW-Authenticate") {}
void t_hdr_www_authenticate::set_challenge(const t_challenge &c) {
// The server may send multiple WWW-Authenticate/Proxy-Authenticate
// headers, with different digest algorithms, in decreasing order of
// preference. We must therefore avoid overwriting any supported
// challenge once we've got a hold of one. (We don't simply ignore
// all unsupported challenges, however, just in case the server forgot
// to include a Digest challenge.)
if (populated) {
// Don't overwrite the previous challenge if it was supported
if (cmp_nocase(challenge.auth_scheme, AUTH_DIGEST) == 0) {
return;
}
}
populated = true;
challenge = c;
}
string t_hdr_www_authenticate::encode_value(void) const {
if (!populated) return "";
return challenge.encode();
}
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