Home | History | Annotate | Download | only in gaia 
      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 const char kGmailDomain[] = "gmail.com";
     19 }
     20 
     21 std::string CanonicalizeEmail(const std::string& email_address) {
     22   std::vector<std::string> parts;
     23   char at = '@';
     24   base::SplitString(email_address, at, &parts);
     25   if (parts.size() != 2U)
     26     NOTREACHED() << "expecting exactly one @, but got " << parts.size();
     27   else if (parts[1] == kGmailDomain)  // only strip '.' for gmail accounts.
     28     base::RemoveChars(parts[0], ".", &parts[0]);
     29   std::string new_email = StringToLowerASCII(JoinString(parts, at));
     30   VLOG(1) << "Canonicalized " << email_address << " to " << new_email;
     31   return new_email;
     32 }
     33 
     34 std::string CanonicalizeDomain(const std::string& domain) {
     35   // Canonicalization of domain names means lower-casing them. Make sure to
     36   // update this function in sync with Canonicalize if this ever changes.
     37   return StringToLowerASCII(domain);
     38 }
     39 
     40 std::string SanitizeEmail(const std::string& email_address) {
     41   std::string sanitized(email_address);
     42 
     43   // Apply a default domain if necessary.
     44   if (sanitized.find('@') == std::string::npos) {
     45     sanitized += '@';
     46     sanitized += kGmailDomain;
     47   }
     48 
     49   return sanitized;
     50 }
     51 
     52 bool AreEmailsSame(const std::string& email1, const std::string& email2) {
     53   return gaia::CanonicalizeEmail(gaia::SanitizeEmail(email1)) ==
     54       gaia::CanonicalizeEmail(gaia::SanitizeEmail(email2));
     55 }
     56 
     57 std::string ExtractDomainName(const std::string& email_address) {
     58   // First canonicalize which will also verify we have proper domain part.
     59   std::string email = CanonicalizeEmail(email_address);
     60   size_t separator_pos = email.find('@');
     61   if (separator_pos != email.npos && separator_pos < email.length() - 1)
     62     return email.substr(separator_pos + 1);
     63   else
     64     NOTREACHED() << "Not a proper email address: " << email;
     65   return std::string();
     66 }
     67 
     68 bool IsGaiaSignonRealm(const GURL& url) {
     69   if (!url.SchemeIsSecure())
     70     return false;
     71 
     72   return url == GaiaUrls::GetInstance()->gaia_url();
     73 }
     74 
     75 
     76 std::vector<std::string> ParseListAccountsData(const std::string& data) {
     77   std::vector<std::string> account_ids;
     78 
     79   // Parse returned data and make sure we have data.
     80   scoped_ptr<base::Value> value(base::JSONReader::Read(data));
     81   if (!value)
     82     return account_ids;
     83 
     84   base::ListValue* list;
     85   if (!value->GetAsList(&list) || list->GetSize() < 2)
     86     return account_ids;
     87 
     88   // Get list of account info.
     89   base::ListValue* accounts;
     90   if (!list->GetList(1, &accounts) || accounts == NULL)
     91     return account_ids;
     92 
     93   // Build a vector of accounts from the cookie.  Order is important: the first
     94   // account in the list is the primary account.
     95   for (size_t i = 0; i < accounts->GetSize(); ++i) {
     96     base::ListValue* account;
     97     if (accounts->GetList(i, &account) && account != NULL) {
     98       std::string email;
     99       if (account->GetString(3, &email) && !email.empty())
    100         account_ids.push_back(email);
    101     }
    102   }
    103 
    104   return account_ids;
    105 }
    106 
    107 }  // namespace gaia
    108