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
CanonicalizeEmailImpl(const std::string & email_address,bool change_googlemail_to_gmail)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 = base::StringToLowerASCII(JoinString(parts, at));
39 VLOG(1) << "Canonicalized " << email_address << " to " << new_email;
40 return new_email;
41 }
42
43 } // namespace
44
CanonicalizeEmail(const std::string & email_address)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
CanonicalizeDomain(const std::string & domain)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 base::StringToLowerASCII(domain);
57 }
58
SanitizeEmail(const std::string & email_address)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
AreEmailsSame(const std::string & email1,const std::string & email2)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
ExtractDomainName(const std::string & email_address)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
IsGaiaSignonRealm(const GURL & url)87 bool IsGaiaSignonRealm(const GURL& url) {
88 if (!url.SchemeIsSecure())
89 return false;
90
91 return url == GaiaUrls::GetInstance()->gaia_url();
92 }
93
94
ParseListAccountsData(const std::string & data,std::vector<std::pair<std::string,bool>> * accounts)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
140