New encryption/escrow endpoints for Wallet

components/autofill/content/browser/wallet/encryption_escrow_client.h

-// Copyright 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef COMPONENTS_AUTOFILL_CONTENT_BROWSER_WALLET_ENCRYPTION_ESCROW_CLIENT_H_
-#define COMPONENTS_AUTOFILL_CONTENT_BROWSER_WALLET_ENCRYPTION_ESCROW_CLIENT_H_
-
-#include <string>
-#include <vector>
-
-#include "base/memory/ref_counted.h"
-#include "net/url_request/url_fetcher_delegate.h"
-
-class GURL;
-
-namespace net {
-class URLFetcher;
-class URLRequestContextGetter;
-}
-
-namespace autofill {
-namespace wallet {
-
-class EncryptionEscrowClientObserver;
-class Instrument;
-
-// EncrytionEscrowClient is responsible for making calls to the Online Wallet
-// encryption and escrow backend.
-class EncryptionEscrowClient : public net::URLFetcherDelegate {
- public:
-  // |observer| must outlive |this|.
-  EncryptionEscrowClient(net::URLRequestContextGetter* context_getter,
-                         EncryptionEscrowClientObserver* observer);
-  virtual ~EncryptionEscrowClient();
-
-  // Sends |one_time_pad|, a vector of cryptographically secure random bytes, to
-  // Online Wallet to be encrypted. These bytes must be generated using
-  // crypto/random.h.
-  void EncryptOneTimePad(const std::vector<uint8>& one_time_pad);
-
-  // Escrows the primary account number and card verfication number of
-  // |new_instrument| with Online Wallet. The escrow is keyed off of
-  // |obfuscated_gaia_id|.
-  void EscrowInstrumentInformation(const Instrument& new_instrument,
-                                   const std::string& obfuscated_gaia_id);
-
-  // Escrows the card verfication number of an existing instrument with Online
-  // Wallet. The escrow is keyed off of |obfuscated_gaia_id|.
-  void EscrowCardVerificationNumber(const std::string& card_verification_number,
-                                    const std::string& obfuscated_gaia_id);
-
-  // Cancels |request_| (if it exists).
-  void CancelRequest();
-
-  bool HasRequestInProgress() const;
-
- protected:
-  // Exposed for testing.
-  const net::URLFetcher* request() const { return request_.get(); }
-
- private:
-  enum RequestType {
-    NO_PENDING_REQUEST,
-    ENCRYPT_ONE_TIME_PAD,
-    ESCROW_INSTRUMENT_INFORMATION,
-    ESCROW_CARD_VERIFICATION_NUMBER,
-  };
-
-  // Posts |post_body| to |url|. When the request is complete, |observer_| is
-  // notified of the result.
-  void MakeRequest(const GURL& url, const std::string& post_body);
-
-  // Performs bookkeeping tasks for any invalid requests.
-  void HandleMalformedResponse(net::URLFetcher* request);
-
-  // net::URLFetcherDelegate:
-  virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE;
-
-  // The context for the request. Ensures the gdToken cookie is set as a header
-  // in the requests to Online Wallet if it is present.
-  scoped_refptr<net::URLRequestContextGetter> context_getter_;
-
-  // Observer class that has its various On* methods called based on the results
-  // of a request to Online Wallet.
-  EncryptionEscrowClientObserver* const observer_;
-
-  // The current request object.
-  scoped_ptr<net::URLFetcher> request_;
-
-  // The type of the current request. Must be NO_PENDING_REQUEST for a request
-  // to be initiated as only one request may be running at a given time.
-  RequestType request_type_;
-
-  DISALLOW_COPY_AND_ASSIGN(EncryptionEscrowClient);
-};
-
-}  // namespace wallet
-}  // namespace autofill
-
-#endif  // COMPONENTS_AUTOFILL_CONTENT_BROWSER_WALLET_ENCRYPTION_ESCROW_CLIENT_H_