Implement Expect-Staple

net/http/transport_security_state_unittest.cc

 // 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/transport_security_state.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
 #include "base/base64.h"
 #include "base/files/file_path.h"
 #include "base/json/json_reader.h"
 #include "base/rand_util.h"
 #include "base/sha1.h"
 #include "base/strings/string_piece.h"
 #include "base/test/histogram_tester.h"
 #include "base/values.h"
 #include "crypto/openssl_util.h"
 #include "crypto/sha2.h"
 #include "net/base/host_port_pair.h"
 #include "net/base/net_errors.h"
 #include "net/base/test_completion_callback.h"
 #include "net/base/test_data_directory.h"
 #include "net/cert/asn1_util.h"
 #include "net/cert/cert_verifier.h"
 #include "net/cert/cert_verify_result.h"
 #include "net/cert/ct_policy_status.h"
+#include "net/cert/internal/test_helpers.h"
+#include "net/cert/ocsp_staple.h"
 #include "net/cert/test_root_certs.h"
 #include "net/cert/x509_cert_types.h"
 #include "net/cert/x509_certificate.h"
 #include "net/http/http_util.h"
 #include "net/log/net_log.h"
 #include "net/ssl/ssl_info.h"
 #include "net/test/cert_test_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace net {
@@ skipping 32 matching lines @@
 const char* const kBadPath[] = {
     "sha1/111111111111111111111111111=",
     "sha1/222222222222222222222222222=",
     "sha1/333333333333333333333333333=",
     "sha256/1111111111111111111111111111111111111111111=",
     "sha256/2222222222222222222222222222222222222222222=",
     "sha256/3333333333333333333333333333333333333333333=",
     nullptr,
 };
 
+const char kOCSPPathPrefix[] = "net/data/parse_ocsp_unittest/";
+
+const base::TimeDelta& kAgeTenYears = base::TimeDelta::FromDays(3650);
+
 // A mock ReportSender that just remembers the latest report
 // URI and report to be sent.
 class MockCertificateReportSender
     : public TransportSecurityState::ReportSender {
  public:
   MockCertificateReportSender() {}
   ~MockCertificateReportSender() override {}
 
   void Send(const GURL& report_uri, const std::string& report) override {
     latest_report_uri_ = report_uri;
@@ skipping 1753 matching lines @@
   state.ProcessExpectCTHeader("preload", host_port, ssl_info);
   EXPECT_EQ(1u, reporter.num_failures());
   EXPECT_TRUE(reporter.ssl_info().ct_compliance_details_available);
   EXPECT_EQ(ssl_info.ct_cert_policy_compliance,
             reporter.ssl_info().ct_cert_policy_compliance);
   EXPECT_EQ(host_port.host(), reporter.host_port_pair().host());
   EXPECT_EQ(host_port.port(), reporter.host_port_pair().port());
   EXPECT_EQ(GURL(kExpectCTStaticReportURI), reporter.report_uri());
 }
 
+class MockExpectStapleReportSender : public MockCertificateReportSender {
+ public:
+  bool ReportSent() { return latest_report() != ""; }
+};
+
+class ExpectStapleTest : public TransportSecurityStateTest {
+ public:
+  void SetUp() override {
+    TransportSecurityStateTest::SetUp();
+    security_state_.SetReportSender(&report_sender_);
+    EnableStaticExpectStaple(&security_state_);
+    verify_time_ = base::Time::Now();
+  }
+
+  struct OCSPTest {
+    std::string response;
+    scoped_refptr<X509Certificate> certificate;
+  };
+
+  static bool LoadOCSPFromFile(std::string file_name, OCSPTest* ocsp) {
+    std::string ca_data;
+    std::string cert_data;
+    const PemBlockMapping mappings[] = {
+        {"OCSP RESPONSE", &ocsp->response},
+        {"CA CERTIFICATE", &ca_data},
+        {"CERTIFICATE", &cert_data},
+    };
+    std::string full_path = std::string(kOCSPPathPrefix) + file_name;
+    if (!ReadTestDataFromPemFile(full_path, mappings))
+      return false;
+
+    // Parse the server certificate
+    CertificateList server_cert_list =
+        X509Certificate::CreateCertificateListFromBytes(
+            cert_data.data(), cert_data.size(),
+            X509Certificate::FORMAT_SINGLE_CERTIFICATE);
+    ocsp->certificate = server_cert_list[0];
+    return true;
+  }
+
+  static void CheckExpectStapleReport(
+      const std::string& serialized_report,
+      const HostPortPair& host_port,
+      const X509Certificate& served_certificate_chain,
+      const ExpectStapleReport& report) {
+    std::unique_ptr<base::Value> value(
+        base::JSONReader::Read(serialized_report));
+    ASSERT_TRUE(value);
+    ASSERT_TRUE(value->IsType(base::Value::TYPE_DICTIONARY));
+
+    base::DictionaryValue* report_dict;
+    ASSERT_TRUE(value->GetAsDictionary(&report_dict));
+    std::string report_hostname;
+    EXPECT_TRUE(report_dict->GetString("hostname", &report_hostname));
+    EXPECT_EQ(host_port.host(), report_hostname);
+    int report_port;
+    EXPECT_TRUE(report_dict->GetInteger("port", &report_port));
+    EXPECT_EQ(host_port.port(), report_port);
+
+    // Check certificate chain.
+    const base::ListValue* report_served_certificate_chain = nullptr;
+    ASSERT_TRUE(report_dict->GetList("served-certificate-chain",
+                                     &report_served_certificate_chain));
+    std::vector<std::string> pem_encoded_chain;
+    served_certificate_chain.GetPEMEncodedChain(&pem_encoded_chain);
+    ASSERT_EQ(pem_encoded_chain.size(),
+              report_served_certificate_chain->GetSize());
+    for (size_t i = 0; i < pem_encoded_chain.size(); i++) {
+      std::string cert_pem;
+      ASSERT_TRUE(report_served_certificate_chain->GetString(i, &cert_pem));
+      EXPECT_EQ(pem_encoded_chain[i], cert_pem);
+    }
+
+    // Check stapled responses.
+    const base::ListValue* report_ocsp_responses = nullptr;
+    ASSERT_TRUE(report_dict->GetList("ocsp-responses", &report_ocsp_responses));
+    const auto& ocsp_responses = report.stapled_responses();
+    ASSERT_EQ(ocsp_responses.size(), report_ocsp_responses->GetSize());
+    for (size_t i = 0; i < ocsp_responses.size(); i++) {
+      const base::DictionaryValue* report_ocsp_response = nullptr;
+      report_ocsp_responses->GetDictionary(i, &report_ocsp_response);
+      bool is_date_valid;
+      ASSERT_TRUE(
+          report_ocsp_response->GetBoolean("is-date-valid", &is_date_valid));
+      EXPECT_EQ(ocsp_responses[i].is_date_valid, is_date_valid);
+      bool is_correct_certificate;
+      ASSERT_TRUE(report_ocsp_response->GetBoolean("is-correct-certificate",
+                                                   &is_correct_certificate));
+      EXPECT_EQ(ocsp_responses[i].is_correct_certificate,
+                is_correct_certificate);
+    }
+  }
+
+ protected:
+  static bool SerializeExpectStapleReport(
+      const HostPortPair& host_port_pair,
+      const X509Certificate& unverified_certificate,
+      const ExpectStapleReport& report,
+      std::string* serialized_report) {
+    return TransportSecurityState::SerializeExpectStapleReport(
+        host_port_pair, unverified_certificate, report, serialized_report);
+  }
+
+  TransportSecurityState security_state_;
+  MockExpectStapleReportSender report_sender_;
+  base::Time verify_time_;
+};
+
+TEST_F(ExpectStapleTest, NoReportGoodResponse) {
+  OCSPTest ocsp_test;
+  ASSERT_TRUE(LoadOCSPFromFile("good_response.pem", &ocsp_test));
+  HostPortPair host_port(kExpectStapleStaticHostname, 443);
+  security_state_.CheckExpectStaple(host_port, *ocsp_test.certificate,
+                                    *ocsp_test.certificate, verify_time_,
+                                    kAgeTenYears, ocsp_test.response);
+  EXPECT_FALSE(report_sender_.ReportSent());
+};
+
+TEST_F(ExpectStapleTest, ReportMissingResponse) {
+  OCSPTest ocsp_test;
+  ASSERT_TRUE(LoadOCSPFromFile("missing_response.pem", &ocsp_test));
+  HostPortPair host_port(kExpectStapleStaticHostname, 443);
+  security_state_.CheckExpectStaple(host_port, *ocsp_test.certificate,
+                                    *ocsp_test.certificate, verify_time_,
+                                    kAgeTenYears, ocsp_test.response);
+  EXPECT_TRUE(report_sender_.ReportSent());
+};
+
+TEST_F(ExpectStapleTest, ReportOldResponse) {
+  OCSPTest ocsp_test;
+  ASSERT_TRUE(LoadOCSPFromFile("good_response.pem", &ocsp_test));
+  HostPortPair host_port(kExpectStapleStaticHostname, 443);
+  security_state_.CheckExpectStaple(
+      host_port, *ocsp_test.certificate, *ocsp_test.certificate, verify_time_,
+      base::TimeDelta::FromDays(7), ocsp_test.response);
+  EXPECT_TRUE(report_sender_.ReportSent());
+};
+
+TEST_F(ExpectStapleTest, RevokedResponse) {
+  OCSPTest ocsp_test;
+  ASSERT_TRUE(LoadOCSPFromFile("revoke_response.pem", &ocsp_test));
+  HostPortPair host_port(kExpectStapleStaticHostname, 443);
+  security_state_.CheckExpectStaple(host_port, *ocsp_test.certificate,
+                                    *ocsp_test.certificate, verify_time_,
+                                    kAgeTenYears, ocsp_test.response);
+  EXPECT_TRUE(report_sender_.ReportSent());
+};
+
+TEST_F(ExpectStapleTest, HasExtensions) {
+  OCSPTest ocsp_test;
+  ASSERT_TRUE(LoadOCSPFromFile("has_extension.pem", &ocsp_test));
+  HostPortPair host_port(kExpectStapleStaticHostname, 443);
+  security_state_.CheckExpectStaple(host_port, *ocsp_test.certificate,
+                                    *ocsp_test.certificate, verify_time_,
+                                    kAgeTenYears, ocsp_test.response);
+  EXPECT_FALSE(report_sender_.ReportSent());
+};
+
+TEST_F(ExpectStapleTest, MultipleResponse) {
+  OCSPTest ocsp_test;
+  ASSERT_TRUE(LoadOCSPFromFile("multiple_response.pem", &ocsp_test));
+  HostPortPair host_port(kExpectStapleStaticHostname, 443);
+  security_state_.CheckExpectStaple(host_port, *ocsp_test.certificate,
+                                    *ocsp_test.certificate, verify_time_,
+                                    kAgeTenYears, ocsp_test.response);
+  EXPECT_FALSE(report_sender_.ReportSent());
+};
+
+TEST_F(ExpectStapleTest, SerializeEmptyReport) {
+  OCSPTest ocsp_test;
+  ASSERT_TRUE(LoadOCSPFromFile("missing_response.pem", &ocsp_test));
+  HostPortPair host_port(kExpectStapleStaticHostname, 443);
+  std::unique_ptr<ExpectStapleReport> report =
+      ExpectStapleReport::FromRawOCSPResponse(ocsp_test.response, verify_time_,
+                                              kAgeTenYears,
+                                              *ocsp_test.certificate);
+  ASSERT_TRUE(report);
+  std::string serialized_report;
+  ASSERT_TRUE(SerializeExpectStapleReport(host_port, *ocsp_test.certificate,
+                                          *report, &serialized_report));
+  ASSERT_NO_FATAL_FAILURE(CheckExpectStapleReport(
+      serialized_report, host_port, *ocsp_test.certificate, *report));
+};
+
+TEST_F(ExpectStapleTest, SerializeMultipleResponses) {
+  OCSPTest ocsp_test;
+  ASSERT_TRUE(LoadOCSPFromFile("multiple_response.pem", &ocsp_test));
+  HostPortPair host_port(kExpectStapleStaticHostname, 443);
+  std::unique_ptr<ExpectStapleReport> report =
+      ExpectStapleReport::FromRawOCSPResponse(ocsp_test.response, verify_time_,
+                                              kAgeTenYears,
+                                              *ocsp_test.certificate);
+  ASSERT_TRUE(report);
+  std::string serialized_report;
+  ASSERT_TRUE(SerializeExpectStapleReport(host_port, *ocsp_test.certificate,
+                                          *report, &serialized_report));
+  ASSERT_NO_FATAL_FAILURE(CheckExpectStapleReport(
+      serialized_report, host_port, *ocsp_test.certificate, *report));
+};
+
 }  // namespace net