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// Copyright (c) 2010 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/histogram.h"
#include "base/logging.h"
#include "base/string_util.h"
#include "net/base/net_errors.h"
namespace net {
HttpAuthHandler::HttpAuthHandler()
: score_(-1),
target_(HttpAuth::AUTH_NONE),
properties_(-1),
original_callback_(NULL),
ALLOW_THIS_IN_INITIALIZER_LIST(
wrapper_callback_(
this, &HttpAuthHandler::OnGenerateAuthTokenComplete)) {
}
HttpAuthHandler::~HttpAuthHandler() {
}
//static
std::string HttpAuthHandler::GenerateHistogramNameFromScheme(
const std::string& scheme) {
return StringPrintf("Net.AuthGenerateToken_%s", scheme.c_str());
}
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 || !scheme().empty());
DCHECK(!ok || score_ != -1);
DCHECK(!ok || properties_ != -1);
if (ok)
histogram_ = Histogram::FactoryTimeGet(
GenerateHistogramNameFromScheme(scheme()),
base::TimeDelta::FromMilliseconds(1),
base::TimeDelta::FromSeconds(10), 50,
Histogram::kUmaTargetedHistogramFlag);
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 std::wstring* username,
const std::wstring* password,
const HttpRequestInfo* request,
CompletionCallback* callback,
std::string* auth_token) {
// TODO(cbentzel): Enforce non-NULL callback after cleaning up SocketStream.
DCHECK(request);
DCHECK((username == NULL) == (password == NULL));
DCHECK(username != NULL || AllowsDefaultCredentials());
DCHECK(auth_token != NULL);
DCHECK(original_callback_ == NULL);
DCHECK(histogram_.get());
original_callback_ = callback;
net_log_.BeginEvent(EventTypeFromAuthTarget(target_), NULL);
generate_auth_token_start_ = base::TimeTicks::Now();
int rv = GenerateAuthTokenImpl(username, password, request,
&wrapper_callback_, auth_token);
if (rv != ERR_IO_PENDING)
FinishGenerateAuthToken();
return rv;
}
void HttpAuthHandler::OnGenerateAuthTokenComplete(int rv) {
CompletionCallback* callback = original_callback_;
FinishGenerateAuthToken();
if (callback)
callback->Run(rv);
}
void HttpAuthHandler::FinishGenerateAuthToken() {
// TOOD(cbentzel): Should this be done in OK case only?
DCHECK(histogram_.get());
base::TimeDelta generate_auth_token_duration =
base::TimeTicks::Now() - generate_auth_token_start_;
histogram_->AddTime(generate_auth_token_duration);
net_log_.EndEvent(EventTypeFromAuthTarget(target_), NULL);
original_callback_ = NULL;
}
} // namespace net
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