google_apis/gaia/gaia_auth_util.cc

   1 // Copyright (c) 2012 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 "google_apis/gaia/gaia_auth_util.h"
   6
   7 #include "base/json/json_reader.h"
   8 #include "base/logging.h"
   9 #include "base/strings/string_split.h"
  10 #include "base/strings/string_util.h"
  11 #include "base/values.h"
  12 #include "google_apis/gaia/gaia_urls.h"
  13 #include "url/gurl.h"
  14
  15 namespace gaia {
  16
  17 namespace {
  18
  19 const char kGmailDomain[] = "gmail.com";
  20 const char kGooglemailDomain[] = "googlemail.com";
  21
  22 std::string CanonicalizeEmailImpl(const std::string& email_address,
  23                                   bool change_googlemail_to_gmail) {
  24   std::vector<std::string> parts;
  25   char at = '@';
  26   base::SplitString(email_address, at, &parts);
  27   if (parts.size() != 2U) {
  28     NOTREACHED() << "expecting exactly one @, but got " << parts.size()-1 <<
  29         " : " << email_address;
  30   } else {
  31     if (change_googlemail_to_gmail && parts[1] == kGooglemailDomain)
  32       parts[1] = kGmailDomain;
  33
  34     if (parts[1] == kGmailDomain)  // only strip '.' for gmail accounts.
  35       base::RemoveChars(parts[0], ".", &parts[0]);
  36   }
  37
  38   std::string new_email = StringToLowerASCII(JoinString(parts, at));
  39   VLOG(1) << "Canonicalized " << email_address << " to " << new_email;
  40   return new_email;
  41 }
  42
  43 }  // namespace
  44
  45 std::string CanonicalizeEmail(const std::string& email_address) {
  46   // CanonicalizeEmail() is called to process email strings that are eventually
  47   // shown to the user, and may also be used in persisting email strings.  To
  48   // avoid breaking this existing behavior, this function will not try to
  49   // change googlemail to gmail.
  50   return CanonicalizeEmailImpl(email_address, false);
  51 }
  52
  53 std::string CanonicalizeDomain(const std::string& domain) {
  54   // Canonicalization of domain names means lower-casing them. Make sure to
  55   // update this function in sync with Canonicalize if this ever changes.
  56   return StringToLowerASCII(domain);
  57 }
  58
  59 std::string SanitizeEmail(const std::string& email_address) {
  60   std::string sanitized(email_address);
  61
  62   // Apply a default domain if necessary.
  63   if (sanitized.find('@') == std::string::npos) {
  64     sanitized += '@';
  65     sanitized += kGmailDomain;
  66   }
  67
  68   return sanitized;
  69 }
  70
  71 bool AreEmailsSame(const std::string& email1, const std::string& email2) {
  72   return CanonicalizeEmailImpl(gaia::SanitizeEmail(email1), true) ==
  73       CanonicalizeEmailImpl(gaia::SanitizeEmail(email2), true);
  74 }
  75
  76 std::string ExtractDomainName(const std::string& email_address) {
  77   // First canonicalize which will also verify we have proper domain part.
  78   std::string email = CanonicalizeEmail(email_address);
  79   size_t separator_pos = email.find('@');
  80   if (separator_pos != email.npos && separator_pos < email.length() - 1)
  81     return email.substr(separator_pos + 1);
  82   else
  83     NOTREACHED() << "Not a proper email address: " << email;
  84   return std::string();
  85 }
  86
  87 bool IsGaiaSignonRealm(const GURL& url) {
  88   if (!url.SchemeIsSecure())
  89     return false;
  90
  91   return url == GaiaUrls::GetInstance()->gaia_url();
  92 }
  93
  94
  95 bool ParseListAccountsData(
  96     const std::string& data,
  97     std::vector<std::pair<std::string, bool> >* accounts) {
  98   accounts->clear();
  99
 100   // Parse returned data and make sure we have data.
 101   scoped_ptr<base::Value> value(base::JSONReader::Read(data));
 102   if (!value)
 103     return false;
 104
 105   base::ListValue* list;
 106   if (!value->GetAsList(&list) || list->GetSize() < 2)
 107     return false;
 108
 109   // Get list of account info.
 110   base::ListValue* account_list;
 111   if (!list->GetList(1, &account_list) || accounts == NULL)
 112     return false;
 113
 114   // Build a vector of accounts from the cookie.  Order is important: the first
 115   // account in the list is the primary account.
 116   for (size_t i = 0; i < account_list->GetSize(); ++i) {
 117     base::ListValue* account;
 118     if (account_list->GetList(i, &account) && account != NULL) {
 119       std::string email;
 120       // Canonicalize the email since ListAccounts returns "display email".
 121       if (account->GetString(3, &email) && !email.empty()) {
 122         // New version if ListAccounts indicates whether the email's session
 123         // is still valid or not.  If this value is present and false, assume
 124         // its invalid.  Otherwise assume it's valid to remain compatible with
 125         // old version.
 126         int is_email_valid = 1;
 127         if (!account->GetInteger(9, &is_email_valid))
 128           is_email_valid = 1;
 129
 130         accounts->push_back(
 131             std::make_pair(CanonicalizeEmail(email), is_email_valid != 0));
 132       }
 133     }
 134   }
 135
 136   return true;
 137 }
 138
 139 }  // namespace gaia