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// Copyright (c) 2012 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_handler.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/logging.h"
#include "net/base/net_errors.h"
namespace net {
HttpAuthHandler::HttpAuthHandler()
: auth_scheme_(HttpAuth::AUTH_SCHEME_MAX),
score_(-1),
target_(HttpAuth::AUTH_NONE),
properties_(-1) {
}
HttpAuthHandler::~HttpAuthHandler() {
}
bool HttpAuthHandler::InitFromChallenge(
HttpAuth::ChallengeTokenizer* challenge,
HttpAuth::Target target,
const GURL& origin,
const BoundNetLog& net_log) {
origin_ = origin;
target_ = target;
score_ = -1;
properties_ = -1;
net_log_ = net_log;
auth_challenge_ = challenge->challenge_text();
bool ok = Init(challenge);
// Init() is expected to set the scheme, realm, score, and properties. The
// realm may be empty.
DCHECK(!ok || score_ != -1);
DCHECK(!ok || properties_ != -1);
DCHECK(!ok || auth_scheme_ != HttpAuth::AUTH_SCHEME_MAX);
return ok;
}
namespace {
NetLog::EventType EventTypeFromAuthTarget(HttpAuth::Target target) {
switch (target) {
case HttpAuth::AUTH_PROXY:
return NetLog::TYPE_AUTH_PROXY;
case HttpAuth::AUTH_SERVER:
return NetLog::TYPE_AUTH_SERVER;
default:
NOTREACHED();
return NetLog::TYPE_CANCELLED;
}
}
} // namespace
int HttpAuthHandler::GenerateAuthToken(
const AuthCredentials* credentials, const HttpRequestInfo* request,
const CompletionCallback& callback, std::string* auth_token) {
// TODO(cbentzel): Enforce non-NULL callback after cleaning up SocketStream.
DCHECK(request);
DCHECK(credentials != NULL || AllowsDefaultCredentials());
DCHECK(auth_token != NULL);
DCHECK(callback_.is_null());
callback_ = callback;
net_log_.BeginEvent(EventTypeFromAuthTarget(target_));
int rv = GenerateAuthTokenImpl(
credentials, request,
base::Bind(&HttpAuthHandler::OnGenerateAuthTokenComplete,
base::Unretained(this)),
auth_token);
if (rv != ERR_IO_PENDING)
FinishGenerateAuthToken();
return rv;
}
bool HttpAuthHandler::NeedsIdentity() {
return true;
}
bool HttpAuthHandler::AllowsDefaultCredentials() {
return false;
}
bool HttpAuthHandler::AllowsExplicitCredentials() {
return true;
}
void HttpAuthHandler::OnGenerateAuthTokenComplete(int rv) {
CompletionCallback callback = callback_;
FinishGenerateAuthToken();
if (!callback.is_null())
callback.Run(rv);
}
void HttpAuthHandler::FinishGenerateAuthToken() {
// TOOD(cbentzel): Should this be done in OK case only?
net_log_.EndEvent(EventTypeFromAuthTarget(target_));
callback_.Reset();
}
} // namespace net
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