src/components/password_manager/core/browser/psl_matching_helper.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "components/password_manager/core/browser/psl_matching_helper.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/logging.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "base/metrics/field_trial.h"
  11 #include "components/autofill/core/common/password_form.h"
  12 #include "components/password_manager/core/common/password_manager_switches.h"
  13 #include "net/base/registry_controlled_domains/registry_controlled_domain.h"
  14 #include "url/gurl.h"
  15
  16 using autofill::PasswordForm;
  17
  18 namespace password_manager {
  19
  20 #if !defined(OS_IOS)
  21 namespace {
  22
  23 const char kPSLMatchingDesktopFieldTrialName[] = "PSLMatchingDesktop";
  24 const char kPSLMatchingDesktopFieldTrialDisabledGroupName[] = "Disabled";
  25
  26 }  // namespace
  27 #endif
  28
  29 bool PSLMatchingHelper::psl_enabled_override_ = false;
  30
  31 PSLMatchingHelper::PSLMatchingHelper() : psl_enabled_(DeterminePSLEnabled()) {}
  32
  33 PSLMatchingHelper::~PSLMatchingHelper() {}
  34
  35 bool PSLMatchingHelper::IsMatchingEnabled() const {
  36   return psl_enabled_override_ || psl_enabled_;
  37 }
  38
  39 bool PSLMatchingHelper::ShouldPSLDomainMatchingApply(
  40     const std::string& registry_controlled_domain) const {
  41   return IsMatchingEnabled() && registry_controlled_domain != "google.com";
  42 }
  43
  44 // static
  45 bool PSLMatchingHelper::IsPublicSuffixDomainMatch(const std::string& url1,
  46                                                   const std::string& url2) {
  47   GURL gurl1(url1);
  48   GURL gurl2(url2);
  49   return gurl1.scheme() == gurl2.scheme() &&
  50          GetRegistryControlledDomain(gurl1) ==
  51              GetRegistryControlledDomain(gurl2) &&
  52          gurl1.port() == gurl2.port();
  53 }
  54
  55 // static
  56 std::string PSLMatchingHelper::GetRegistryControlledDomain(
  57     const GURL& signon_realm) {
  58   return net::registry_controlled_domains::GetDomainAndRegistry(
  59       signon_realm,
  60       net::registry_controlled_domains::INCLUDE_PRIVATE_REGISTRIES);
  61 }
  62
  63 // static
  64 void PSLMatchingHelper::EnablePublicSuffixDomainMatchingForTesting() {
  65   psl_enabled_override_ = true;
  66 }
  67
  68 // static
  69 bool PSLMatchingHelper::DeterminePSLEnabled() {
  70   bool enabled = true;
  71 #if !defined(OS_IOS)
  72   if (base::FieldTrialList::FindFullName(kPSLMatchingDesktopFieldTrialName) ==
  73       kPSLMatchingDesktopFieldTrialDisabledGroupName) {
  74     enabled = false;
  75   }
  76 #endif
  77   return enabled;
  78 }
  79
  80 }  // namespace password_manager