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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 "chrome/browser/net/transport_security_persister.h"
#include <map>
#include <string>
#include "base/file_path.h"
#include "base/file_util.h"
#include "base/message_loop.h"
#include "base/scoped_temp_dir.h"
#include "content/public/test/test_browser_thread.h"
#include "net/base/transport_security_state.h"
#include "testing/gtest/include/gtest/gtest.h"
using net::TransportSecurityState;
class TransportSecurityPersisterTest : public testing::Test {
public:
TransportSecurityPersisterTest()
: message_loop_(MessageLoop::TYPE_IO),
test_file_thread_(content::BrowserThread::FILE, &message_loop_),
test_io_thread_(content::BrowserThread::IO, &message_loop_) {
}
~TransportSecurityPersisterTest() {
message_loop_.RunAllPending();
}
virtual void SetUp() OVERRIDE {
ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
persister_.reset(
new TransportSecurityPersister(&state_, temp_dir_.path(), false));
}
protected:
// Ordering is important here. If member variables are not destroyed in the
// right order, then DCHECKs will fail all over the place.
MessageLoop message_loop_;
// Needed for ImportantFileWriter, which TransportSecurityPersister uses.
content::TestBrowserThread test_file_thread_;
// TransportSecurityPersister runs on the IO thread.
content::TestBrowserThread test_io_thread_;
ScopedTempDir temp_dir_;
TransportSecurityState state_;
scoped_ptr<TransportSecurityPersister> persister_;
};
TEST_F(TransportSecurityPersisterTest, SerializeData1) {
std::string output;
bool dirty;
EXPECT_TRUE(persister_->SerializeData(&output));
EXPECT_TRUE(persister_->LoadEntries(output, &dirty));
EXPECT_FALSE(dirty);
}
TEST_F(TransportSecurityPersisterTest, SerializeData2) {
TransportSecurityState::DomainState domain_state;
const base::Time current_time(base::Time::Now());
const base::Time expiry = current_time + base::TimeDelta::FromSeconds(1000);
static const char kYahooDomain[] = "yahoo.com";
EXPECT_FALSE(state_.GetDomainState(kYahooDomain, true, &domain_state));
domain_state.upgrade_mode =
TransportSecurityState::DomainState::MODE_FORCE_HTTPS;
domain_state.upgrade_expiry = expiry;
domain_state.include_subdomains = true;
state_.EnableHost(kYahooDomain, domain_state);
std::string output;
bool dirty;
EXPECT_TRUE(persister_->SerializeData(&output));
EXPECT_TRUE(persister_->LoadEntries(output, &dirty));
EXPECT_TRUE(state_.GetDomainState(kYahooDomain, true, &domain_state));
EXPECT_EQ(domain_state.upgrade_mode,
TransportSecurityState::DomainState::MODE_FORCE_HTTPS);
EXPECT_TRUE(state_.GetDomainState("foo.yahoo.com", true, &domain_state));
EXPECT_EQ(domain_state.upgrade_mode,
TransportSecurityState::DomainState::MODE_FORCE_HTTPS);
EXPECT_TRUE(state_.GetDomainState("foo.bar.yahoo.com", true, &domain_state));
EXPECT_EQ(domain_state.upgrade_mode,
TransportSecurityState::DomainState::MODE_FORCE_HTTPS);
EXPECT_TRUE(state_.GetDomainState("foo.bar.baz.yahoo.com", true,
&domain_state));
EXPECT_EQ(domain_state.upgrade_mode,
TransportSecurityState::DomainState::MODE_FORCE_HTTPS);
EXPECT_FALSE(state_.GetDomainState("com", true, &domain_state));
}
TEST_F(TransportSecurityPersisterTest, SerializeData3) {
// Add an entry.
net::SHA1Fingerprint fp1;
memset(fp1.data, 0, sizeof(fp1.data));
net::SHA1Fingerprint fp2;
memset(fp2.data, 1, sizeof(fp2.data));
TransportSecurityState::DomainState example_state;
example_state.upgrade_expiry =
base::Time::Now() + base::TimeDelta::FromSeconds(1000);
example_state.upgrade_mode =
TransportSecurityState::DomainState::MODE_FORCE_HTTPS;
example_state.dynamic_spki_hashes_expiry = example_state.upgrade_expiry;
example_state.dynamic_spki_hashes.push_back(fp1);
example_state.dynamic_spki_hashes.push_back(fp2);
state_.EnableHost("www.example.com", example_state);
// Add another entry.
memset(fp1.data, 2, sizeof(fp1.data));
memset(fp2.data, 3, sizeof(fp2.data));
example_state.upgrade_expiry =
base::Time::Now() + base::TimeDelta::FromSeconds(3000);
example_state.upgrade_mode =
TransportSecurityState::DomainState::MODE_DEFAULT;
example_state.dynamic_spki_hashes_expiry = example_state.upgrade_expiry;
example_state.dynamic_spki_hashes.push_back(fp1);
example_state.dynamic_spki_hashes.push_back(fp2);
state_.EnableHost("www.example.net", example_state);
// Save a copy of everything.
std::map<std::string, TransportSecurityState::DomainState> saved;
TransportSecurityState::Iterator i(state_);
while (i.HasNext()) {
saved[i.hostname()] = i.domain_state();
i.Advance();
}
std::string serialized;
EXPECT_TRUE(persister_->SerializeData(&serialized));
// Persist the data to the file. For the test to be fast and not flaky, we
// just do it directly rather than call persister_->StateIsDirty. (That uses
// ImportantFileWriter, which has an asynchronous commit interval rather
// than block.) Use a different basename just for cleanliness.
FilePath path =
temp_dir_.path().AppendASCII("TransportSecurityPersisterTest");
EXPECT_TRUE(file_util::WriteFile(path, serialized.c_str(),
serialized.size()));
// Read the data back.
std::string persisted;
EXPECT_TRUE(file_util::ReadFileToString(path, &persisted));
EXPECT_EQ(persisted, serialized);
bool dirty;
EXPECT_TRUE(persister_->LoadEntries(persisted, &dirty));
EXPECT_FALSE(dirty);
// Check that states are the same as saved.
size_t count = 0;
TransportSecurityState::Iterator j(state_);
while (j.HasNext()) {
EXPECT_TRUE(saved[j.hostname()].Equals(j.domain_state()));
count++;
j.Advance();
}
EXPECT_EQ(count, saved.size());
}
TEST_F(TransportSecurityPersisterTest, SerializeDataOld) {
// This is an old-style piece of transport state JSON, which has no creation
// date.
std::string output =
"{ "
"\"NiyD+3J1r6z1wjl2n1ALBu94Zj9OsEAMo0kCN8js0Uk=\": {"
"\"expiry\": 1266815027.983453, "
"\"include_subdomains\": false, "
"\"mode\": \"strict\" "
"}"
"}";
bool dirty;
EXPECT_TRUE(persister_->LoadEntries(output, &dirty));
EXPECT_TRUE(dirty);
}
TEST_F(TransportSecurityPersisterTest, PublicKeyHashes) {
TransportSecurityState::DomainState domain_state;
static const char kTestDomain[] = "example.com";
EXPECT_FALSE(state_.GetDomainState(kTestDomain, false, &domain_state));
net::FingerprintVector hashes;
EXPECT_TRUE(domain_state.IsChainOfPublicKeysPermitted(hashes));
net::SHA1Fingerprint hash;
memset(hash.data, '1', sizeof(hash.data));
domain_state.static_spki_hashes.push_back(hash);
EXPECT_FALSE(domain_state.IsChainOfPublicKeysPermitted(hashes));
hashes.push_back(hash);
EXPECT_TRUE(domain_state.IsChainOfPublicKeysPermitted(hashes));
hashes[0].data[0] = '2';
EXPECT_FALSE(domain_state.IsChainOfPublicKeysPermitted(hashes));
const base::Time current_time(base::Time::Now());
const base::Time expiry = current_time + base::TimeDelta::FromSeconds(1000);
domain_state.upgrade_expiry = expiry;
state_.EnableHost(kTestDomain, domain_state);
std::string ser;
EXPECT_TRUE(persister_->SerializeData(&ser));
bool dirty;
EXPECT_TRUE(persister_->LoadEntries(ser, &dirty));
EXPECT_TRUE(state_.GetDomainState(kTestDomain, false, &domain_state));
EXPECT_EQ(1u, domain_state.static_spki_hashes.size());
EXPECT_EQ(0, memcmp(domain_state.static_spki_hashes[0].data, hash.data,
sizeof(hash.data)));
}
TEST_F(TransportSecurityPersisterTest, ForcePreloads) {
// The static state for docs.google.com, defined in
// net/base/transport_security_state_static.h, has pins and mode strict.
// This new policy overrides that with no pins and a weaker mode. We apply
// this new policy with |DeserializeFromCommandLine| and expect that the
// new policy is in effect, overriding the static policy.
std::string preload("{"
"\"4AGT3lHihuMSd5rUj7B4u6At0jlSH3HFePovjPR+oLE=\": {"
"\"created\": 0.0,"
"\"expiry\": 2000000000.0,"
"\"include_subdomains\": false,"
"\"mode\": \"pinning-only\""
"}}");
EXPECT_TRUE(persister_->DeserializeFromCommandLine(preload));
TransportSecurityState::DomainState domain_state;
EXPECT_TRUE(state_.GetDomainState("docs.google.com", true, &domain_state));
EXPECT_FALSE(domain_state.HasPins());
EXPECT_FALSE(domain_state.ShouldRedirectHTTPToHTTPS());
}
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