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 #if !defined(OS_ANDROID) && !defined(OS_IOS)
  19 namespace {
  20
  21 const char kPSLMatchingDesktopFieldTrialName[] = "PSLMatchingDesktop";
  22 const char kPSLMatchingDesktopFieldTrialDisabledGroupName[] = "Disabled";
  23
  24 }  // namespace
  25 #endif
  26
  27 bool PSLMatchingHelper::psl_enabled_override_ = false;
  28
  29 PSLMatchingHelper::PSLMatchingHelper() : psl_enabled_(DeterminePSLEnabled()) {}
  30
  31 PSLMatchingHelper::~PSLMatchingHelper() {}
  32
  33 bool PSLMatchingHelper::IsMatchingEnabled() const {
  34   return psl_enabled_override_ || psl_enabled_;
  35 }
  36
  37 bool PSLMatchingHelper::ShouldPSLDomainMatchingApply(
  38     const std::string& registry_controlled_domain) const {
  39   return IsMatchingEnabled() && registry_controlled_domain != "google.com";
  40 }
  41
  42 // static
  43 bool PSLMatchingHelper::IsPublicSuffixDomainMatch(const std::string& url1,
  44                                                   const std::string& url2) {
  45   GURL gurl1(url1);
  46   GURL gurl2(url2);
  47   return gurl1.scheme() == gurl2.scheme() &&
  48          GetRegistryControlledDomain(gurl1) ==
  49              GetRegistryControlledDomain(gurl2) &&
  50          gurl1.port() == gurl2.port();
  51 }
  52
  53 // static
  54 std::string PSLMatchingHelper::GetRegistryControlledDomain(
  55     const GURL& signon_realm) {
  56   return net::registry_controlled_domains::GetDomainAndRegistry(
  57       signon_realm,
  58       net::registry_controlled_domains::INCLUDE_PRIVATE_REGISTRIES);
  59 }
  60
  61 // static
  62 void PSLMatchingHelper::EnablePublicSuffixDomainMatchingForTesting() {
  63   psl_enabled_override_ = true;
  64 }
  65
  66 // static
  67 bool PSLMatchingHelper::DeterminePSLEnabled() {
  68   // Default choice is "enabled", so we do not need to check for
  69   // kEnablePasswordAutofillPublicSuffixDomainMatching.
  70   bool enabled = true;
  71 #if !defined(OS_ANDROID) && !defined(OS_IOS)
  72   if (base::FieldTrialList::FindFullName(kPSLMatchingDesktopFieldTrialName) ==
  73       kPSLMatchingDesktopFieldTrialDisabledGroupName) {
  74     enabled = false;
  75   }
  76 #endif
  77   if (CommandLine::ForCurrentProcess()->HasSwitch(
  78           switches::kDisablePasswordAutofillPublicSuffixDomainMatching)) {
  79     enabled = false;
  80   }
  81   return enabled;
  82 }