WKWebView: Added cert verification API to web controller.

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"
+#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 {

[davidben, 2015/09/03 18:34:27]

Nit: newline here (or remove the newline in line 26)

[Eugene But (OOO till 7-30), 2015/09/03 18:59:05]

Removed the newline in line 26.

+// Generated cert filename.
+const char kCertFileName[] = "ok_cert.pem";
+// Test hostname for cert verification.
+NSString* const kHostName = @"www.example.com";
+
+}  // namespace
+
+// Test fixture to test CRWCertVerificationController class.
+class CRWCertVerificationControllerTest : public web::WebTest {
+ protected:
+  void SetUp() override {
+    web::WebTest::SetUp();
+
+    web::BrowserState* browser_state = GetBrowserState();
+    net::URLRequestContextGetter* getter = browser_state->GetRequestContext();
+    web::WebThread::PostTask(web::WebThread::IO, FROM_HERE, base::BindBlock(^{
+      getter->GetURLRequestContext()->set_cert_verifier(&cert_verifier_);
+    }));
+
+    controller_.reset([[CRWCertVerificationController alloc]
+        initWithBrowserState:browser_state]);
+    cert_ =
+        net::ImportCertFromFile(net::GetTestCertsDirectory(), kCertFileName);
+  }
+
+  void TearDown() override {
+    [controller_ shutDown];
+    web::WebTest::TearDown();
+  }
+
+  // Synchronously returns result of decidePolicyForCert:host:completionHandler:
+  // call.
+  void DecidePolicy(const scoped_refptr<net::X509Certificate>& cert,
+                    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;
+                   }];
+    base::test::ios::WaitUntilCondition(^{
+      return completion_handler_called;
+    }, base::MessageLoop::current(), base::TimeDelta());
+  }
+
+  scoped_refptr<net::X509Certificate> cert_;
+  net::MockCertVerifier cert_verifier_;
+  base::scoped_nsobject<CRWCertVerificationController> controller_;
+};
+
+// Tests cert policy with a valid cert.
+TEST_F(CRWCertVerificationControllerTest, ValidCert) {
+  net::CertVerifyResult verify_result;
+  verify_result.cert_status = CERT_STATUS_NO_REVOCATION_MECHANISM;
+  verify_result.verified_cert = cert_;
+  cert_verifier_.AddResultForCertAndHost(cert_.get(), [kHostName UTF8String],
+                                         verify_result, net::OK);
+  web::CertAcceptPolicy policy = CERT_ACCEPT_POLICY_ERROR;
+  net::CertStatus status;
+  DecidePolicy(cert_, kHostName, &policy, &status);
+  EXPECT_EQ(CERT_ACCEPT_POLICY_ALLOW, policy);
+  EXPECT_EQ(verify_result.cert_status, status);
+}
+
+// Tests cert policy with an invalid cert.
+TEST_F(CRWCertVerificationControllerTest, InvalidCert) {
+  web::CertAcceptPolicy policy = CERT_ACCEPT_POLICY_ERROR;
+  net::CertStatus status;
+  DecidePolicy(cert_, kHostName, &policy, &status);
+  EXPECT_EQ(CERT_ACCEPT_POLICY_DENY, policy);
+}
+
+// Tests cert policy with null cert.
+TEST_F(CRWCertVerificationControllerTest, NullCert) {
+  web::CertAcceptPolicy policy = CERT_ACCEPT_POLICY_ERROR;
+  net::CertStatus status;
+  DecidePolicy(nullptr, kHostName, &policy, &status);
+  EXPECT_EQ(CERT_ACCEPT_POLICY_ERROR, policy);
+}
+
+// Tests cert policy with null cert and null host.
+TEST_F(CRWCertVerificationControllerTest, NullHost) {
+  web::CertAcceptPolicy policy = CERT_ACCEPT_POLICY_ERROR;
+  net::CertStatus status;
+  DecidePolicy(cert_, nil, &policy, &status);
+  EXPECT_EQ(CERT_ACCEPT_POLICY_ERROR, policy);
+}
+
+}  // namespace web