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