New SSL metric added: Likely From Same Domain

chrome/browser/ssl/ssl_error_classification_unittest.cc

 // Copyright 2014 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/ssl/ssl_error_classification.h"
 
 #include "base/files/file_path.h"
 #include "base/strings/string_split.h"
 #include "base/time/time.h"
 #include "chrome/test/base/chrome_render_view_host_test_harness.h"
@@ skipping 41 matching lines @@
                                      origin,
                                      cert_error,
                                      *google_cert);
     EXPECT_TRUE(ssl_error.IsWWWSubDomainMatch());
     EXPECT_FALSE(ssl_error.NameUnderAnyNames(host_name_tokens,
                                              dns_name_tokens_google));
     EXPECT_FALSE(ssl_error.AnyNamesUnderName(dns_name_tokens_google,
                                              host_name_tokens));
     EXPECT_FALSE(ssl_error.IsSubDomainOutsideWildcard(host_name_tokens));
     EXPECT_FALSE(ssl_error.IsCertLikelyFromMultiTenantHosting());
+    EXPECT_TRUE(ssl_error.IsCertLikelyFromSameDomain());
   }
 
   {
     GURL origin("https://foo.blah.google.com");
     std::string host_name = origin.host();
     std::vector<std::string> host_name_tokens;
     base::SplitStringDontTrim(host_name, '.', &host_name_tokens);
     SSLErrorClassification ssl_error(contents,
                                      time,
                                      origin,
                                      cert_error,
                                      *google_cert);
     EXPECT_FALSE(ssl_error.IsWWWSubDomainMatch());
     EXPECT_FALSE(ssl_error.NameUnderAnyNames(host_name_tokens,
                                              dns_name_tokens_google));
     EXPECT_FALSE(ssl_error.AnyNamesUnderName(dns_name_tokens_google,
                                              host_name_tokens));
+    EXPECT_TRUE(ssl_error.IsCertLikelyFromSameDomain());
   }
 
   {
     GURL origin("https://foo.www.google.com");
     std::string host_name = origin.host();
     std::vector<std::string> host_name_tokens;
     base::SplitStringDontTrim(host_name, '.', &host_name_tokens);
     SSLErrorClassification ssl_error(contents,
                                      time,
                                      origin,
                                      cert_error,
                                      *google_cert);
     EXPECT_FALSE(ssl_error.IsWWWSubDomainMatch());
     EXPECT_TRUE(ssl_error.NameUnderAnyNames(host_name_tokens,
                                             dns_name_tokens_google));
     EXPECT_FALSE(ssl_error.AnyNamesUnderName(dns_name_tokens_google,
                                              host_name_tokens));
+    EXPECT_TRUE(ssl_error.IsCertLikelyFromSameDomain());
   }
 
   {
      GURL origin("https://www.google.com.foo");
      std::string host_name = origin.host();
      std::vector<std::string> host_name_tokens;
      base::SplitStringDontTrim(host_name, '.', &host_name_tokens);
      SSLErrorClassification ssl_error(contents,
                                       time,
                                       origin,
                                       cert_error,
                                       *google_cert);
      EXPECT_FALSE(ssl_error.IsWWWSubDomainMatch());
      EXPECT_FALSE(ssl_error.NameUnderAnyNames(host_name_tokens,
                                               dns_name_tokens_google));
      EXPECT_FALSE(ssl_error.AnyNamesUnderName(dns_name_tokens_google,
                                               host_name_tokens));
+     EXPECT_FALSE(ssl_error.IsCertLikelyFromSameDomain());
   }
 
   {
     GURL origin("https://www.foogoogle.com.");
     std::string host_name = origin.host();
     std::vector<std::string> host_name_tokens;
     base::SplitStringDontTrim(host_name, '.', &host_name_tokens);
     SSLErrorClassification ssl_error(contents,
                                      time,
                                      origin,
                                      cert_error,
                                      *google_cert);
     EXPECT_FALSE(ssl_error.IsWWWSubDomainMatch());
     EXPECT_FALSE(ssl_error.NameUnderAnyNames(host_name_tokens,
                                              dns_name_tokens_google));
     EXPECT_FALSE(ssl_error.AnyNamesUnderName(dns_name_tokens_google,
                                              host_name_tokens));
+    EXPECT_FALSE(ssl_error.IsCertLikelyFromSameDomain());
   }
 
   scoped_refptr<net::X509Certificate> webkit_cert(
       net::X509Certificate::CreateFromBytes(
           reinterpret_cast<const char*>(webkit_der), sizeof(webkit_der)));
   ASSERT_NE(static_cast<net::X509Certificate*>(NULL), webkit_cert.get());
   std::vector<std::string> dns_names_webkit;
   dns_names_webkit.push_back("webkit");
   dns_names_webkit.push_back("org");
   std::vector<std::vector<std::string>> dns_name_tokens_webkit;
   dns_name_tokens_webkit.push_back(dns_names_webkit);
   {
     GURL origin("https://a.b.webkit.org");
     std::string host_name = origin.host();
     std::vector<std::string> host_name_tokens;
     base::SplitStringDontTrim(host_name, '.', &host_name_tokens);
     SSLErrorClassification ssl_error(contents,
                                      time,
                                      origin,
                                      cert_error,
                                      *webkit_cert);
     EXPECT_FALSE(ssl_error.IsWWWSubDomainMatch());
     EXPECT_FALSE(ssl_error.NameUnderAnyNames(host_name_tokens,
                                              dns_name_tokens_webkit));
     EXPECT_FALSE(ssl_error.AnyNamesUnderName(dns_name_tokens_webkit,
                                              host_name_tokens));
     EXPECT_TRUE(ssl_error.IsSubDomainOutsideWildcard(host_name_tokens));
     EXPECT_FALSE(ssl_error.IsCertLikelyFromMultiTenantHosting());
+    EXPECT_TRUE(ssl_error.IsCertLikelyFromSameDomain());
   }
 }
 
 TEST_F(SSLErrorClassificationTest, TestHostNameHasKnownTLD) {
   EXPECT_TRUE(SSLErrorClassification::IsHostNameKnownTLD("www.google.com"));
   EXPECT_TRUE(SSLErrorClassification::IsHostNameKnownTLD("b.appspot.com"));
   EXPECT_FALSE(SSLErrorClassification::IsHostNameKnownTLD("a.private"));
 }
 
 TEST_F(SSLErrorClassificationTest, TestPrivateURL) {
   EXPECT_FALSE(SSLErrorClassification::IsHostnameNonUniqueOrDotless(
       "www.foogoogle.com."));
   EXPECT_TRUE(SSLErrorClassification::IsHostnameNonUniqueOrDotless("go"));
   EXPECT_TRUE(
       SSLErrorClassification::IsHostnameNonUniqueOrDotless("172.17.108.108"));
   EXPECT_TRUE(SSLErrorClassification::IsHostnameNonUniqueOrDotless("foo.blah"));
 }