WKWebView: Implemented recoverable SSL interstitials.

ios/web/net/crw_cert_verification_controller_unittest.mm

 // Copyright 2015 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 "ios/web/net/crw_cert_verification_controller.h"
 
 #include "base/mac/bind_objc_block.h"
 #include "base/message_loop/message_loop.h"
 #include "base/test/ios/wait_util.h"
 #include "ios/web/public/web_thread.h"
 #include "ios/web/test/web_test.h"
+#import "ios/web/web_state/wk_web_view_security_util.h"
 #include "net/base/test_data_directory.h"
 #include "net/cert/mock_cert_verifier.h"
 #include "net/cert/x509_certificate.h"
 #include "net/test/cert_test_util.h"
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_context_getter.h"
 
 namespace web {
 
 namespace {
@@ skipping 18 matching lines @@
     }));
 
     controller_.reset([[CRWCertVerificationController alloc]
         initWithBrowserState:browser_state]);
     valid_cert_ = net::ImportCertFromFile(net::GetTestCertsDirectory(),
                                           kValidCertFileName);
     ASSERT_TRUE(valid_cert_);
     invalid_cert_ =
         net::ImportCertFromFile(net::GetTestCertsDirectory(), kCertFileName);
     ASSERT_TRUE(invalid_cert_);
+    valid_trust_ = web::CreateServerTrustFromChain(GetChain(valid_cert_),
+                                                   kValidCertHostName);
+    invalid_trust_ =
+        web::CreateServerTrustFromChain(GetChain(invalid_cert_), kHostName);
   }
 
   void TearDown() override {
     [controller_ shutDown];
     web::WebTest::TearDown();
   }
 
   // Returns NSArray of SecCertificateRef objects for the given |cert|.
   NSArray* GetChain(const scoped_refptr<net::X509Certificate>& cert) const {
     NSMutableArray* result = [NSMutableArray
         arrayWithObject:static_cast<id>(cert->os_cert_handle())];
     for (SecCertificateRef intermediate : cert->GetIntermediateCertificates()) {
       [result addObject:static_cast<id>(intermediate)];
     }
     return result;
   }
 
-  // Synchronously returns result of decidePolicyForCert:host:completionHandler:
-  // call.
-  void DecidePolicy(const scoped_refptr<net::X509Certificate>& cert,
+  // Synchronously returns result of
+  // decideLoadPolicyForTrust:host:completionHandler: call.
+  void DecidePolicy(SecTrustRef server_trust,
                     NSString* host,
                     web::CertAcceptPolicy* policy,
                     net::CertStatus* status) {
     __block bool completion_handler_called = false;
-    [controller_ decidePolicyForCert:cert
-                                host:host
-                   completionHandler:^(web::CertAcceptPolicy callback_policy,
-                                       net::CertStatus callback_status) {
-                     *policy = callback_policy;
-                     *status = callback_status;
-                     completion_handler_called = true;
-                   }];
+    [controller_
+        decideLoadPolicyForTrust:server_trust
+                            host:host
+               completionHandler:^(web::CertAcceptPolicy callback_policy,
+                                   net::CertStatus callback_status) {
+                 *policy = callback_policy;
+                 *status = callback_status;
+                 completion_handler_called = true;
+               }];
     base::test::ios::WaitUntilCondition(^{
       return completion_handler_called;
     }, base::MessageLoop::current(), base::TimeDelta());
   }
 
   // Synchronously returns result of
   // querySSLStatusForCertChain:host:completionHandler: call.
   void QueryStatus(NSArray* chain,
                    NSString* host,
                    SecurityStyle* style,
                    net::CertStatus* status) {
     __block bool completion_handler_called = false;
     [controller_ querySSLStatusForCertChain:chain
                                        host:host
                           completionHandler:^(SecurityStyle callback_style,
                                               net::CertStatus callback_status) {
                             *style = callback_style;
                             *status = callback_status;
                             completion_handler_called = true;
                           }];
     base::test::ios::WaitUntilCondition(^{
       return completion_handler_called;
     }, base::MessageLoop::current(), base::TimeDelta());
   }
 
   scoped_refptr<net::X509Certificate> valid_cert_;
   scoped_refptr<net::X509Certificate> invalid_cert_;
+  base::ScopedCFTypeRef<SecTrustRef> valid_trust_;
+  base::ScopedCFTypeRef<SecTrustRef> invalid_trust_;
   net::MockCertVerifier cert_verifier_;
   base::scoped_nsobject<CRWCertVerificationController> controller_;
 };
 
-// Tests cert policy with a valid cert.
-TEST_F(CRWCertVerificationControllerTest, PolicyForValidCert) {
+// Tests cert policy with a valid trust.
+TEST_F(CRWCertVerificationControllerTest, PolicyForValidTrust) {
   net::CertVerifyResult verify_result;
   verify_result.cert_status = net::CERT_STATUS_NO_REVOCATION_MECHANISM;
   verify_result.verified_cert = invalid_cert_;
   cert_verifier_.AddResultForCertAndHost(
       invalid_cert_.get(), kHostName.UTF8String, verify_result, net::OK);
+
   web::CertAcceptPolicy policy = CERT_ACCEPT_POLICY_NON_RECOVERABLE_ERROR;
   net::CertStatus status;
-  DecidePolicy(invalid_cert_, kHostName, &policy, &status);
+  DecidePolicy(valid_trust_, kValidCertHostName, &policy, &status);
   EXPECT_EQ(CERT_ACCEPT_POLICY_ALLOW, policy);
-  EXPECT_EQ(verify_result.cert_status, status);
+  EXPECT_FALSE(status);
 }
 
-// Tests cert policy with an invalid cert.
-TEST_F(CRWCertVerificationControllerTest, PolicyForInvalidCert) {
+// Tests cert policy with an invalid trust not accepted by user.
+TEST_F(CRWCertVerificationControllerTest, PolicyForInvalidTrust) {
+  net::CertVerifyResult result;
+  result.cert_status = net::CERT_STATUS_COMMON_NAME_INVALID;
+  result.verified_cert = invalid_cert_;
+  cert_verifier_.AddResultForCertAndHost(invalid_cert_.get(),
+                                         [kHostName UTF8String], result,
+                                         net::ERR_CERT_COMMON_NAME_INVALID);
+
   web::CertAcceptPolicy policy = CERT_ACCEPT_POLICY_NON_RECOVERABLE_ERROR;
   net::CertStatus status;
-  DecidePolicy(invalid_cert_, kHostName, &policy, &status);
-  EXPECT_EQ(CERT_ACCEPT_POLICY_RECOVERABLE_ERROR, policy);
+  DecidePolicy(invalid_trust_, kHostName, &policy, &status);
+  EXPECT_EQ(CERT_ACCEPT_POLICY_RECOVERABLE_ERROR_NOT_ACCEPTED_BY_USER, policy);
+  EXPECT_EQ(net::CERT_STATUS_COMMON_NAME_INVALID, status);
 }
 
-// Tests cert policy with null cert.
-TEST_F(CRWCertVerificationControllerTest, PolicyForNullCert) {
+// Tests cert policy with an invalid trust accepted by user.
+TEST_F(CRWCertVerificationControllerTest, PolicyForInvalidTrustAcceptedByUser) {
+  net::CertVerifyResult result;
+  result.cert_status = net::CERT_STATUS_DATE_INVALID;
+  result.verified_cert = invalid_cert_;
+  cert_verifier_.AddResultForCertAndHost(invalid_cert_.get(),
+                                         [kHostName UTF8String], result,
+                                         net::ERR_CERT_DATE_INVALID);
+
+  [controller_ allowCert:invalid_cert_.get()
+                 forHost:kHostName
+                  status:net::CERT_STATUS_ALL_ERRORS];
   web::CertAcceptPolicy policy = CERT_ACCEPT_POLICY_NON_RECOVERABLE_ERROR;
   net::CertStatus status;
+  DecidePolicy(invalid_trust_, kHostName, &policy, &status);
+  EXPECT_EQ(CERT_ACCEPT_POLICY_RECOVERABLE_ERROR_ACCEPTED_BY_USER, policy);
+  EXPECT_EQ(net::CERT_STATUS_DATE_INVALID, status);
+}
+
+// Tests cert policy with null trust.
+TEST_F(CRWCertVerificationControllerTest, PolicyForNullTrust) {
+  web::CertAcceptPolicy policy = CERT_ACCEPT_POLICY_ALLOW;
+  net::CertStatus status;
   DecidePolicy(nullptr, kHostName, &policy, &status);
   EXPECT_EQ(CERT_ACCEPT_POLICY_NON_RECOVERABLE_ERROR, policy);
+  EXPECT_FALSE(status);
 }
 
-// Tests cert policy with null cert and null host.
+// Tests cert policy with invalid trust and null host.
 TEST_F(CRWCertVerificationControllerTest, PolicyForNullHost) {
   web::CertAcceptPolicy policy = CERT_ACCEPT_POLICY_NON_RECOVERABLE_ERROR;
   net::CertStatus status;
-  DecidePolicy(invalid_cert_, nil, &policy, &status);
-  EXPECT_EQ(CERT_ACCEPT_POLICY_NON_RECOVERABLE_ERROR, policy);
+  DecidePolicy(invalid_trust_, nil, &policy, &status);
+  EXPECT_EQ(CERT_ACCEPT_POLICY_RECOVERABLE_ERROR_NOT_ACCEPTED_BY_USER, policy);
+  EXPECT_FALSE(status);
 }
 
 // Tests SSL status with valid chain.
 TEST_F(CRWCertVerificationControllerTest, SSLStatusForValidChain) {
   SecurityStyle style = SECURITY_STYLE_UNKNOWN;
   net::CertStatus status = net::CERT_STATUS_ALL_ERRORS;
 
   QueryStatus(GetChain(valid_cert_), kValidCertHostName, &style, &status);
   EXPECT_EQ(SECURITY_STYLE_AUTHENTICATED, style);
   EXPECT_FALSE(status);
@@ skipping 45 matching lines @@
 
   SecurityStyle style = SECURITY_STYLE_UNKNOWN;
   net::CertStatus status = net::CERT_STATUS_ALL_ERRORS;
 
   QueryStatus(GetChain(invalid_cert_), kHostName, &style, &status);
   EXPECT_EQ(SECURITY_STYLE_AUTHENTICATION_BROKEN, style);
   EXPECT_EQ(net::CERT_STATUS_DATE_INVALID, status);
 }
 
 }  // namespace web