text: // Copyright (c) 2012 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.
  
  #ifndef GOOGLE_APIS_GAIA_GAIA_AUTH_UTIL_H_
  #define GOOGLE_APIS_GAIA_GAIA_AUTH_UTIL_H_
  
  #include <string>
  #include <vector>
  
  class GURL;
  
  namespace gaia {
  
  // Perform basic canonicalization of |email_address|, taking into account that
  // gmail does not consider '.' or caps inside a username to matter. It also
  // ignores everything after a '+'. For example, c.masone+abc@gmail.com ==
  // cMaSone@gmail.com, per
  // http://mail.google.com/support/bin/answer.py?hl=en&ctx=mail&answer=10313#
  std::string CanonicalizeEmail(const std::string& email_address);
  
  // Returns the canonical form of the given domain.
  std::string CanonicalizeDomain(const std::string& domain);
  
  // Sanitize emails. Currently, it only ensures all emails have a domain by
  // adding gmail.com if no domain is present.
  std::string SanitizeEmail(const std::string& email_address);
  
  // Returns true if the two specified email addresses are the same.  Both
  // addresses are first sanitized and then canoncialized before comparing.
  bool AreEmailsSame(const std::string& email1, const std::string& email2);
  
  // Extract the domain part from the canonical form of the given email.
  std::string ExtractDomainName(const std::string& email);
  
  bool IsGaiaSignonRealm(const GURL& url);
  
  // Parses JSON data returned by /ListAccounts call, returns vector of
  // accounts (email addresses).
  std::vector<std::string> ParseListAccountsData(const std::string& data);
  
  }  // namespace gaia
  
  #endif  // GOOGLE_APIS_GAIA_GAIA_AUTH_UTIL_H_
  