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- // Copyright 2015 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #include "net/http/http_auth_multi_round_parse.h"
- #include "base/base64.h"
- #include "base/strings/string_piece.h"
- #include "base/strings/string_util.h"
- #include "net/http/http_auth_challenge_tokenizer.h"
- namespace net {
- namespace {
- // Check that the scheme in the challenge matches the expected scheme
- bool SchemeIsValid(HttpAuth::Scheme scheme,
- HttpAuthChallengeTokenizer* challenge) {
- return challenge->auth_scheme() == HttpAuth::SchemeToString(scheme);
- }
- } // namespace
- HttpAuth::AuthorizationResult ParseFirstRoundChallenge(
- HttpAuth::Scheme scheme,
- HttpAuthChallengeTokenizer* challenge) {
- if (!SchemeIsValid(scheme, challenge))
- return HttpAuth::AUTHORIZATION_RESULT_INVALID;
- std::string encoded_auth_token = challenge->base64_param();
- if (!encoded_auth_token.empty()) {
- return HttpAuth::AUTHORIZATION_RESULT_INVALID;
- }
- return HttpAuth::AUTHORIZATION_RESULT_ACCEPT;
- }
- HttpAuth::AuthorizationResult ParseLaterRoundChallenge(
- HttpAuth::Scheme scheme,
- HttpAuthChallengeTokenizer* challenge,
- std::string* encoded_token,
- std::string* decoded_token) {
- if (!SchemeIsValid(scheme, challenge))
- return HttpAuth::AUTHORIZATION_RESULT_INVALID;
- *encoded_token = challenge->base64_param();
- if (encoded_token->empty())
- return HttpAuth::AUTHORIZATION_RESULT_REJECT;
- if (!base::Base64Decode(*encoded_token, decoded_token))
- return HttpAuth::AUTHORIZATION_RESULT_INVALID;
- return HttpAuth::AUTHORIZATION_RESULT_ACCEPT;
- }
- } // namespace net
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