chrome/browser/password_manager/psl_matching_helper.h

   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 #ifndef CHROME_BROWSER_PASSWORD_MANAGER_PSL_MATCHING_HELPER_H_
   6 #define CHROME_BROWSER_PASSWORD_MANAGER_PSL_MATCHING_HELPER_H_
   7
   8 #include <string>
   9
  10 #include "base/basictypes.h"
  11
  12 class GURL;
  13
  14 namespace autofill {
  15 struct PasswordForm;
  16 }  // namespace autofill
  17
  18 class PSLMatchingHelper {
  19  public:
  20   // Enum used for histogram tracking PSL Domain triggering.
  21   // New entries should only be added to the end of the enum (before *_COUNT) so
  22   // as to not disrupt existing data.
  23   enum PSLDomainMatchMetric {
  24     PSL_DOMAIN_MATCH_DISABLED = 0,
  25     PSL_DOMAIN_MATCH_NONE,
  26     PSL_DOMAIN_MATCH_FOUND,
  27     PSL_DOMAIN_MATCH_COUNT
  28   };
  29
  30   PSLMatchingHelper();
  31   ~PSLMatchingHelper();
  32
  33   bool IsMatchingEnabled() const;
  34
  35   // Using the public suffix list for matching the origin is only needed for
  36   // websites that do not have a single hostname for entering credentials. It
  37   // would be better for their users if they did, but until then we help them
  38   // find
  39   // credentials across different hostnames. We know that accounts.google.com is
  40   // the only hostname we should be accepting credentials on for any domain
  41   // under
  42   // google.com, so we can apply a tighter policy for that domain.
  43   // For owners of domains where a single hostname is always used when your
  44   // users are entering their credentials, please contact palmer@chromium.org,
  45   // nyquist@chromium.org or file a bug at http://crbug.com/ to be added here.
  46   bool ShouldPSLDomainMatchingApply(
  47       const std::string& registry_controlled_domain) const;
  48
  49   // Two URLs are considered a Public Suffix Domain match if they have the same
  50   // scheme, ports, and their registry controlled domains are equal.
  51   static bool IsPublicSuffixDomainMatch(const std::string& url1,
  52                                         const std::string& url2);
  53
  54   // Two hosts are considered to belong to the same website when they share the
  55   // registry-controlled domain part.
  56   static std::string GetRegistryControlledDomain(const GURL& signon_realm);
  57
  58   // This overrides both the command line flags and platform restrictions. This
  59   // function is not thread safe, and should be called before any other methods
  60   // of |PSLMatchingHelper| are called.
  61   static void EnablePublicSuffixDomainMatchingForTesting();
  62
  63  private:
  64   static bool DeterminePSLEnabled();
  65
  66   const bool psl_enabled_;
  67
  68   // Default is false, once set to true, overrides |psl_enabled_|.
  69   static bool psl_enabled_override_;
  70
  71   DISALLOW_COPY_AND_ASSIGN(PSLMatchingHelper);
  72 };
  73
  74 #endif  // CHROME_BROWSER_PASSWORD_MANAGER_PSL_MATCHING_HELPER_H_