chrome/browser/password_manager/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 "chrome/browser/password_manager/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 "chrome/common/chrome_switches.h"
  11 #include "components/autofill/core/common/password_form.h"
  12 #include "net/base/registry_controlled_domains/registry_controlled_domain.h"
  13 #include "url/gurl.h"
  14
  15 using autofill::PasswordForm;
  16
  17 bool PSLMatchingHelper::psl_enabled_override_ = false;
  18
  19 PSLMatchingHelper::PSLMatchingHelper() : psl_enabled_(DeterminePSLEnabled()) {}
  20
  21 PSLMatchingHelper::~PSLMatchingHelper() {}
  22
  23 bool PSLMatchingHelper::IsMatchingEnabled() const {
  24   return psl_enabled_override_ || psl_enabled_;
  25 }
  26
  27 bool PSLMatchingHelper::ShouldPSLDomainMatchingApply(
  28     const std::string& registry_controlled_domain) const {
  29   return IsMatchingEnabled() && registry_controlled_domain != "google.com";
  30 }
  31
  32 // static
  33 bool PSLMatchingHelper::IsPublicSuffixDomainMatch(const std::string& url1,
  34                                                   const std::string& url2) {
  35   GURL gurl1(url1);
  36   GURL gurl2(url2);
  37   return gurl1.scheme() == gurl2.scheme() &&
  38          GetRegistryControlledDomain(gurl1) ==
  39              GetRegistryControlledDomain(gurl2) &&
  40          gurl1.port() == gurl2.port();
  41 }
  42
  43 // static
  44 std::string PSLMatchingHelper::GetRegistryControlledDomain(
  45     const GURL& signon_realm) {
  46   return net::registry_controlled_domains::GetDomainAndRegistry(
  47       signon_realm,
  48       net::registry_controlled_domains::INCLUDE_PRIVATE_REGISTRIES);
  49 }
  50
  51 // static
  52 void PSLMatchingHelper::EnablePublicSuffixDomainMatchingForTesting() {
  53   psl_enabled_override_ = true;
  54 }
  55
  56 // static
  57 bool PSLMatchingHelper::DeterminePSLEnabled() {
  58 #if defined(OS_ANDROID) || defined(OS_WIN) || defined(OS_LINUX)
  59   // Default choice is "enabled", so we do not need to check for
  60   // kEnablePasswordAutofillPublicSuffixDomainMatching.
  61   bool enabled = true;
  62   if (CommandLine::ForCurrentProcess()->HasSwitch(
  63           switches::kDisablePasswordAutofillPublicSuffixDomainMatching)) {
  64     enabled = false;
  65   }
  66   return enabled;
  67 #else
  68   return false;
  69 #endif
  70 }