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1 // Copyright 2013 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 #ifndef COMPONENTS_AUTOFILL_CONTENT_BROWSER_WALLET_FULL_WALLET_H_
6 #define COMPONENTS_AUTOFILL_CONTENT_BROWSER_WALLET_FULL_WALLET_H_
7 
8 #include <string>
9 #include <vector>
10 
11 #include "base/basictypes.h"
12 #include "base/gtest_prod_util.h"
13 #include "base/memory/scoped_ptr.h"
14 #include "base/strings/string16.h"
15 #include "components/autofill/content/browser/wallet/required_action.h"
16 #include "components/autofill/content/browser/wallet/wallet_address.h"
17 
18 namespace base {
19 class DictionaryValue;
20 }
21 
22 namespace autofill {
23 
24 class AutofillType;
25 
26 namespace wallet {
27 
28 class FullWalletTest;
29 
30 // FullWallet contains all the information a merchant requires from a user for
31 // that user to make a purchase. This includes:
32 //  - billing information
33 //  - shipping information
34 //  - a proxy card for the backing card selected from a user's wallet items
35 class FullWallet {
36  public:
37   ~FullWallet();
38 
39   // Returns an empty scoped_ptr if the input invalid, an empty wallet with
40   // required actions if there are any, or a valid wallet.
41   static scoped_ptr<FullWallet>
42       CreateFullWallet(const base::DictionaryValue& dictionary);
43 
44   // Returns a wallet built from the provided clear-text data.
45   // Data is not validated; |pan|, |cvn| and |billing_address| must be set.
46   static scoped_ptr<FullWallet>
47       CreateFullWalletFromClearText(int expiration_month,
48                                     int expiration_year,
49                                     const std::string& pan,
50                                     const std::string& cvn,
51                                     scoped_ptr<Address> billing_address,
52                                     scoped_ptr<Address> shipping_address);
53 
54   // Returns corresponding data for |type|.
55   base::string16 GetInfo(const std::string& app_locale,
56                          const AutofillType& type);
57 
58   // Whether or not |action| is in |required_actions_|.
59   bool HasRequiredAction(RequiredAction action) const;
60 
61   // The type of the card that this FullWallet contains and the last four digits
62   // like this "Visa - 4111".
63   base::string16 TypeAndLastFourDigits();
64 
65   // Decrypts and returns the primary account number (PAN) using the generated
66   // one time pad, |one_time_pad_|.
67   const std::string& GetPan();
68 
69   bool operator==(const FullWallet& other) const;
70   bool operator!=(const FullWallet& other) const;
71 
72   // If there are required actions |billing_address_| might contain NULL.
billing_address()73   const Address* billing_address() const { return billing_address_.get(); }
74 
75   // If there are required actions or shipping address is not required
76   // |shipping_address_| might contain NULL.
shipping_address()77   const Address* shipping_address() const { return shipping_address_.get(); }
78 
required_actions()79   const std::vector<RequiredAction>& required_actions() const {
80     return required_actions_;
81   }
expiration_month()82   int expiration_month() const { return expiration_month_; }
expiration_year()83   int expiration_year() const { return expiration_year_; }
84 
set_one_time_pad(const std::vector<uint8> & one_time_pad)85   void set_one_time_pad(const std::vector<uint8>& one_time_pad) {
86     one_time_pad_ = one_time_pad;
87   }
88 
89  private:
90   friend class FullWalletTest;
91   friend scoped_ptr<FullWallet> GetTestFullWalletWithRequiredActions(
92       const std::vector<RequiredAction>& action);
93   friend scoped_ptr<FullWallet> GetTestFullWalletInstrumentOnly();
94   FRIEND_TEST_ALL_PREFIXES(FullWalletTest, CreateFullWallet);
95   FRIEND_TEST_ALL_PREFIXES(FullWalletTest, CreateFullWalletWithRequiredActions);
96   FRIEND_TEST_ALL_PREFIXES(FullWalletTest, RestLengthCorrectDecryptionTest);
97   FRIEND_TEST_ALL_PREFIXES(FullWalletTest, RestLengthUnderDecryptionTest);
98   FRIEND_TEST_ALL_PREFIXES(FullWalletTest, GetCreditCardInfo);
99 
100   FullWallet(int expiration_month,
101              int expiration_year,
102              const std::string& iin,
103              const std::string& encrypted_rest,
104              scoped_ptr<Address> billing_address,
105              scoped_ptr<Address> shipping_address,
106              const std::vector<RequiredAction>& required_actions);
107 
108   // Decrypts both |pan_| and |cvn_|.
109   void DecryptCardInfo();
110 
111   // Decrypts and returns the card verification number (CVN) using the generated
112   // one time pad, |one_time_pad_|.
113   const std::string& GetCvn();
114 
115   // The expiration month of the proxy card. It should be 1-12.
116   int expiration_month_;
117 
118   // The expiration year of the proxy card. It should be a 4-digit year.
119   int expiration_year_;
120 
121   // Primary account number (PAN). Its format is \d{16}.
122   std::string pan_;
123 
124   // Card verification number (CVN). Its format is \d{3}.
125   std::string cvn_;
126 
127   // Issuer identification number (IIN). Its format is \d{6}.
128   std::string iin_;
129 
130   // Encrypted concatentation of CVN and PAN without IIN
131   std::string encrypted_rest_;
132 
133   // The billing address of the backing instrument.
134   scoped_ptr<Address> billing_address_;
135 
136   // The shipping address for the transaction.
137   scoped_ptr<Address> shipping_address_;
138 
139   // Actions that must be completed by the user before a FullWallet can be
140   // issued to them by the Online Wallet service.
141   std::vector<RequiredAction> required_actions_;
142 
143   // The one time pad used for FullWallet encryption.
144   std::vector<uint8> one_time_pad_;
145 
146   DISALLOW_COPY_AND_ASSIGN(FullWallet);
147 };
148 
149 }  // namespace wallet
150 }  // namespace autofill
151 
152 #endif  // COMPONENTS_AUTOFILL_CONTENT_BROWSER_WALLET_FULL_WALLET_H_
153