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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/security_state/core/security_state.h"
#include <stdint.h>
#include <memory>
#include <utility>
#include "base/command_line.h"
#include "base/functional/bind.h"
#include "base/test/metrics/histogram_tester.h"
#include "net/cert/x509_certificate.h"
#include "net/ssl/ssl_cipher_suite_names.h"
#include "net/ssl/ssl_connection_status_flags.h"
#include "net/test/cert_test_util.h"
#include "net/test/test_certificate_data.h"
#include "net/test/test_data_directory.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace security_state {
namespace {
const char kHttpsUrl[] = "https://foo.test/";
const char kHttpUrl[] = "http://foo.test/";
const char kLocalhostUrl[] = "http://localhost";
const char kFileOrigin[] = "file://example_file";
const char kWssUrl[] = "wss://foo.test/";
const char kDataUrl[] = "data:text/html,<html>test</html>";
// This list doesn't include data: URL, as data: URLs will be explicitly marked
// as not secure.
const char* const kPseudoUrls[] = {
"blob:http://test/some-guid", "filesystem:http://test/some-guid",
};
class TestSecurityStateHelper {
public:
TestSecurityStateHelper()
: url_(kHttpsUrl),
cert_(net::ImportCertFromFile(net::GetTestCertsDirectory(),
"sha1_2016.pem")),
connection_status_(net::SSL_CONNECTION_VERSION_TLS1_2
<< net::SSL_CONNECTION_VERSION_SHIFT),
cert_status_(net::CERT_STATUS_SHA1_SIGNATURE_PRESENT),
displayed_mixed_content_(false),
contained_mixed_form_(false),
ran_mixed_content_(false),
malicious_content_status_(MALICIOUS_CONTENT_STATUS_NONE),
is_error_page_(false),
is_view_source_(false),
safety_tip_info_({security_state::SafetyTipStatus::kUnknown, GURL()}),
is_https_only_mode_upgraded_(false) {}
virtual ~TestSecurityStateHelper() = default;
void SetCertificate(scoped_refptr<net::X509Certificate> cert) {
cert_ = std::move(cert);
}
void set_connection_status(int connection_status) {
connection_status_ = connection_status;
}
void SetCipherSuite(uint16_t ciphersuite) {
net::SSLConnectionStatusSetCipherSuite(ciphersuite, &connection_status_);
}
void AddCertStatus(net::CertStatus cert_status) {
cert_status_ |= cert_status;
}
void set_cert_status(net::CertStatus cert_status) {
cert_status_ = cert_status;
}
void set_displayed_mixed_content(bool displayed_mixed_content) {
displayed_mixed_content_ = displayed_mixed_content;
}
void set_contained_mixed_form(bool contained_mixed_form) {
contained_mixed_form_ = contained_mixed_form;
}
void set_ran_mixed_content(bool ran_mixed_content) {
ran_mixed_content_ = ran_mixed_content;
}
void set_malicious_content_status(
MaliciousContentStatus malicious_content_status) {
malicious_content_status_ = malicious_content_status;
}
void set_is_error_page(bool is_error_page) { is_error_page_ = is_error_page; }
void set_is_view_source(bool is_view_source) {
is_view_source_ = is_view_source;
}
void SetUrl(const GURL& url) { url_ = url; }
void set_safety_tip_status(
security_state::SafetyTipStatus safety_tip_status) {
safety_tip_info_.status = safety_tip_status;
}
void set_is_https_only_mode_upgraded(bool is_https_only_mode_upgraded) {
is_https_only_mode_upgraded_ = is_https_only_mode_upgraded;
}
std::unique_ptr<VisibleSecurityState> GetVisibleSecurityState() const {
auto state = std::make_unique<VisibleSecurityState>();
state->connection_info_initialized = true;
state->url = url_;
state->certificate = cert_;
state->cert_status = cert_status_;
state->connection_status = connection_status_;
state->displayed_mixed_content = displayed_mixed_content_;
state->contained_mixed_form = contained_mixed_form_;
state->ran_mixed_content = ran_mixed_content_;
state->malicious_content_status = malicious_content_status_;
state->is_error_page = is_error_page_;
state->is_view_source = is_view_source_;
state->safety_tip_info = safety_tip_info_;
state->is_https_only_mode_upgraded = is_https_only_mode_upgraded_;
return state;
}
security_state::SecurityLevel GetSecurityLevel() const {
return security_state::GetSecurityLevel(*GetVisibleSecurityState());
}
bool HasMajorCertificateError() const {
return security_state::HasMajorCertificateError(*GetVisibleSecurityState());
}
private:
GURL url_;
scoped_refptr<net::X509Certificate> cert_;
int connection_status_;
net::CertStatus cert_status_;
bool displayed_mixed_content_;
bool contained_mixed_form_;
bool ran_mixed_content_;
MaliciousContentStatus malicious_content_status_;
bool is_error_page_;
bool is_view_source_;
security_state::SafetyTipInfo safety_tip_info_;
bool is_https_only_mode_upgraded_;
};
} // namespace
// Tests that SHA1-signed certificates, when not allowed by policy, downgrade
// the security state of the page to DANGEROUS.
TEST(SecurityStateTest, SHA1Blocked) {
TestSecurityStateHelper helper;
helper.AddCertStatus(net::CERT_STATUS_WEAK_SIGNATURE_ALGORITHM);
helper.AddCertStatus(net::CERT_STATUS_SHA1_SIGNATURE_PRESENT);
EXPECT_TRUE(security_state::IsSHA1InChain(*helper.GetVisibleSecurityState()));
EXPECT_EQ(DANGEROUS, helper.GetSecurityLevel());
}
// Tests that SHA1-signed certificates, when allowed by policy, downgrade the
// security state of the page to NONE.
TEST(SecurityStateTest, SHA1Warning) {
TestSecurityStateHelper helper;
EXPECT_TRUE(security_state::IsSHA1InChain(*helper.GetVisibleSecurityState()));
EXPECT_EQ(NONE, helper.GetSecurityLevel());
}
// Tests that SHA1-signed certificates, when allowed by policy, don't interfere
// with the handling of mixed content.
TEST(SecurityStateTest, SHA1WarningMixedContent) {
TestSecurityStateHelper helper;
helper.set_displayed_mixed_content(true);
EXPECT_TRUE(security_state::IsSHA1InChain(*helper.GetVisibleSecurityState()));
EXPECT_EQ(NONE, helper.GetSecurityLevel());
helper.set_displayed_mixed_content(false);
helper.set_ran_mixed_content(true);
EXPECT_TRUE(security_state::IsSHA1InChain(*helper.GetVisibleSecurityState()));
EXPECT_EQ(DANGEROUS, helper.GetSecurityLevel());
}
// Tests that SHA1-signed certificates, when allowed by policy,
// don't interfere with the handling of major cert errors.
TEST(SecurityStateTest, SHA1WarningBrokenHTTPS) {
TestSecurityStateHelper helper;
helper.AddCertStatus(net::CERT_STATUS_DATE_INVALID);
EXPECT_TRUE(security_state::IsSHA1InChain(*helper.GetVisibleSecurityState()));
EXPECT_EQ(DANGEROUS, helper.GetSecurityLevel());
}
// Tests that the malware/phishing status overrides valid HTTPS.
TEST(SecurityStateTest, MalwareOverride) {
TestSecurityStateHelper helper;
// TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 from
// http://www.iana.org/assignments/tls-parameters/tls-parameters.xml#tls-parameters-4
const uint16_t ciphersuite = 0xc02f;
helper.set_connection_status(net::SSL_CONNECTION_VERSION_TLS1_2
<< net::SSL_CONNECTION_VERSION_SHIFT);
helper.SetCipherSuite(ciphersuite);
helper.set_malicious_content_status(MALICIOUS_CONTENT_STATUS_MALWARE);
EXPECT_EQ(DANGEROUS, helper.GetSecurityLevel());
}
// Tests that the malware/phishing status is set, even if other connection info
// is not available.
TEST(SecurityStateTest, MalwareWithoutConnectionState) {
TestSecurityStateHelper helper;
helper.set_malicious_content_status(
MALICIOUS_CONTENT_STATUS_SOCIAL_ENGINEERING);
EXPECT_EQ(DANGEROUS, helper.GetSecurityLevel());
}
// Tests that pseudo URLs always cause an WARNING to be shown.
TEST(SecurityStateTest, AlwaysWarnOnDataUrls) {
TestSecurityStateHelper helper;
helper.SetUrl(GURL(kDataUrl));
EXPECT_EQ(WARNING, helper.GetSecurityLevel());
}
// Tests that the security level is downgraded to WARNING on
// pseudo URLs.
TEST(SecurityStateTest, WarningOnPseudoUrls) {
for (const char* const url : kPseudoUrls) {
TestSecurityStateHelper helper;
helper.SetUrl(GURL(url));
EXPECT_EQ(WARNING, helper.GetSecurityLevel());
}
}
// Tests that if |is_view_source| is set, NONE is returned for a secure site.
TEST(SecurityStateTest, ViewSourceRemovesSecure) {
TestSecurityStateHelper helper;
helper.set_cert_status(0);
EXPECT_EQ(SECURE, helper.GetSecurityLevel());
helper.set_is_view_source(true);
EXPECT_EQ(NONE, helper.GetSecurityLevel());
}
// Tests that if |is_view_source| is set, DANGEROUS is still returned for a site
// flagged by SafeBrowsing.
TEST(SecurityStateTest, ViewSourceKeepsWarning) {
TestSecurityStateHelper helper;
helper.set_malicious_content_status(
MALICIOUS_CONTENT_STATUS_SOCIAL_ENGINEERING);
helper.set_is_view_source(true);
EXPECT_EQ(DANGEROUS, helper.GetSecurityLevel());
}
// Tests that a mixed form is reflected in the security level.
TEST(SecurityStateTest, MixedForm) {
TestSecurityStateHelper helper;
helper.set_contained_mixed_form(true);
// Verify that a mixed form downgrades the security level.
EXPECT_EQ(NONE, helper.GetSecurityLevel());
// Ensure that active mixed content trumps the mixed form warning.
helper.set_ran_mixed_content(true);
EXPECT_EQ(DANGEROUS, helper.GetSecurityLevel());
}
// Tests that HTTP URLs cause a WARNING security level.
TEST(SecurityStateTest, WarningOnHttp) {
TestSecurityStateHelper helper;
helper.SetUrl(GURL(kHttpUrl));
EXPECT_EQ(WARNING, helper.GetSecurityLevel());
}
// Tests that |safety_tip_status| effects security level appropriately.
TEST(SecurityStateTest, SafetyTipSometimesRemovesSecure) {
using security_state::SafetyTipStatus;
struct SafetyTipCase {
SafetyTipStatus safety_tip_status;
security_state::SecurityLevel expected_level;
};
const SafetyTipCase kTestCases[] = {
{SafetyTipStatus::kUnknown, SECURE},
{SafetyTipStatus::kNone, SECURE},
{SafetyTipStatus::kLookalike, SECURE},
};
for (auto testcase : kTestCases) {
TestSecurityStateHelper helper;
helper.set_cert_status(0);
EXPECT_EQ(SECURE, helper.GetSecurityLevel());
helper.set_safety_tip_status(testcase.safety_tip_status);
EXPECT_EQ(testcase.expected_level, helper.GetSecurityLevel());
}
}
// Tests IsSchemeCryptographic function.
TEST(SecurityStateTest, CryptographicSchemeUrl) {
// HTTPS is a cryptographic scheme.
EXPECT_TRUE(IsSchemeCryptographic(GURL(kHttpsUrl)));
// WSS is a cryptographic scheme.
EXPECT_TRUE(IsSchemeCryptographic(GURL(kWssUrl)));
// HTTP is not a cryptographic scheme.
EXPECT_FALSE(IsSchemeCryptographic(GURL(kHttpUrl)));
// Return true only for valid |url|
EXPECT_FALSE(IsSchemeCryptographic(GURL("https://")));
}
// Tests IsOriginLocalhostOrFile function.
TEST(SecurityStateTest, LocalhostOrFileUrl) {
EXPECT_TRUE(IsOriginLocalhostOrFile(GURL(kLocalhostUrl)));
EXPECT_TRUE(IsOriginLocalhostOrFile(GURL(kFileOrigin)));
EXPECT_FALSE(IsOriginLocalhostOrFile(GURL(kHttpsUrl)));
}
// Tests IsSslCertificateValid function.
TEST(SecurityStateTest, SslCertificateValid) {
EXPECT_TRUE(IsSslCertificateValid(SecurityLevel::SECURE));
EXPECT_FALSE(IsSslCertificateValid(SecurityLevel::NONE));
EXPECT_FALSE(IsSslCertificateValid(SecurityLevel::DANGEROUS));
EXPECT_FALSE(IsSslCertificateValid(SecurityLevel::WARNING));
}
// Tests that WARNING is not set for error pages.
TEST(SecurityStateTest, ErrorPage) {
TestSecurityStateHelper helper;
helper.SetUrl(GURL("http://nonexistent.test"));
helper.set_is_error_page(true);
EXPECT_EQ(SecurityLevel::NONE, helper.GetSecurityLevel());
// Sanity-check that if it's not an error page, the security level is
// downgraded.
helper.set_is_error_page(false);
EXPECT_EQ(SecurityLevel::WARNING, helper.GetSecurityLevel());
}
// Tests that the billing status is set, and it overrides valid HTTPS.
TEST(SecurityStateTest, BillingOverridesValidHTTPS) {
TestSecurityStateHelper helper;
// TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 from
// http://www.iana.org/assignments/tls-parameters/tls-parameters.xml#tls-parameters-4
const uint16_t ciphersuite = 0xc02f;
helper.set_connection_status(net::SSL_CONNECTION_VERSION_TLS1_2
<< net::SSL_CONNECTION_VERSION_SHIFT);
helper.SetCipherSuite(ciphersuite);
helper.set_malicious_content_status(MALICIOUS_CONTENT_STATUS_BILLING);
EXPECT_EQ(DANGEROUS, helper.GetSecurityLevel());
}
// Tests that the billing status overrides HTTP warnings.
TEST(SecurityStateTest, BillingOverridesHTTPWarning) {
TestSecurityStateHelper helper;
helper.SetUrl(GURL(kHttpUrl));
// Expect to see a warning for HTTP first.
EXPECT_EQ(security_state::WARNING, helper.GetSecurityLevel());
// Now mark the URL as matching the billing list.
helper.set_malicious_content_status(MALICIOUS_CONTENT_STATUS_BILLING);
// Expect to see a warning for billing now.
EXPECT_EQ(DANGEROUS, helper.GetSecurityLevel());
}
// Tests that non-cryptographic schemes are handled as having no certificate
// errors.
TEST(SecurityStateTest, NonCryptoHasNoCertificateErrors) {
TestSecurityStateHelper helper;
helper.set_cert_status(net::CERT_STATUS_SHA1_SIGNATURE_PRESENT |
net::CERT_STATUS_REVOKED);
helper.SetUrl(GURL(kHttpUrl));
EXPECT_FALSE(helper.HasMajorCertificateError());
helper.SetUrl(GURL(kDataUrl));
EXPECT_FALSE(helper.HasMajorCertificateError());
}
// Tests that cryptographic schemes without certificate errors are acceptable.
TEST(SecurityStateTest, CryptoWithNoCertificateErrors) {
TestSecurityStateHelper helper;
EXPECT_FALSE(helper.HasMajorCertificateError());
helper.set_cert_status(0);
EXPECT_FALSE(helper.HasMajorCertificateError());
helper.SetCertificate(nullptr);
EXPECT_FALSE(helper.HasMajorCertificateError());
}
// Tests that major certificate errors are detected.
TEST(SecurityStateTest, MajorCertificateErrors) {
TestSecurityStateHelper helper;
helper.set_cert_status(net::CERT_STATUS_SHA1_SIGNATURE_PRESENT |
net::CERT_STATUS_UNABLE_TO_CHECK_REVOCATION);
EXPECT_TRUE(helper.HasMajorCertificateError());
helper.set_cert_status(net::CERT_STATUS_SHA1_SIGNATURE_PRESENT |
net::CERT_STATUS_NO_REVOCATION_MECHANISM);
EXPECT_TRUE(helper.HasMajorCertificateError());
helper.set_cert_status(net::CERT_STATUS_SHA1_SIGNATURE_PRESENT |
net::CERT_STATUS_REVOKED);
EXPECT_TRUE(helper.HasMajorCertificateError());
helper.set_cert_status(net::CERT_STATUS_SHA1_SIGNATURE_PRESENT |
net::CERT_STATUS_WEAK_SIGNATURE_ALGORITHM);
EXPECT_TRUE(helper.HasMajorCertificateError());
helper.set_cert_status(net::CERT_STATUS_SHA1_SIGNATURE_PRESENT |
net::CERT_STATUS_PINNED_KEY_MISSING);
EXPECT_TRUE(helper.HasMajorCertificateError());
}
// Tests that if a page was upgraded by HTTPS-Only Mode it takes precedence
// over net errors where connection info is not set.
TEST(SecurityStateTest, HttpsOnlyModeOverridesNetError) {
TestSecurityStateHelper helper;
helper.SetUrl(GURL("https://nonexistent.test"));
helper.set_is_error_page(true);
helper.set_is_https_only_mode_upgraded(true);
EXPECT_EQ(SecurityLevel::WARNING, helper.GetSecurityLevel());
}
// Tests that if a page was upgraded by HTTPS-Only Mode it takes precedence
// over the page having certificate errors.
TEST(SecurityStateTest, HttpsOnlyModeOverridesCertificateError) {
TestSecurityStateHelper helper;
helper.set_cert_status(net::CERT_STATUS_SHA1_SIGNATURE_PRESENT |
net::CERT_STATUS_UNABLE_TO_CHECK_REVOCATION);
EXPECT_TRUE(helper.HasMajorCertificateError());
helper.set_is_error_page(true);
helper.set_is_https_only_mode_upgraded(true);
EXPECT_EQ(SecurityLevel::WARNING, helper.GetSecurityLevel());
}
// Tests that malicious content status takes precedence over HTTPS-Only Mode.
TEST(SecurityStateTest, MaliciousContentOverridesHttpsOnlyMode) {
TestSecurityStateHelper helper;
helper.set_malicious_content_status(
MALICIOUS_CONTENT_STATUS_SOCIAL_ENGINEERING);
helper.set_is_error_page(true);
helper.set_is_https_only_mode_upgraded(true);
EXPECT_EQ(DANGEROUS, helper.GetSecurityLevel());
}
} // namespace security_state
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