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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 "chrome/browser/autofill/wallet/wallet_data_retriever.h" | |
6 | |
7 #include "base/json/json_reader.h" | |
8 #include "base/json/json_writer.h" | |
9 #include "base/logging.h" | |
10 #include "base/memory/scoped_ptr.h" | |
11 #include "base/string_split.h" | |
12 #include "base/values.h" | |
13 #include "chrome/browser/autofill/wallet/cart.h" | |
14 #include "chrome/browser/autofill/wallet/full_wallet.h" | |
15 #include "chrome/browser/autofill/wallet/wallet_address.h" | |
16 #include "chrome/browser/autofill/wallet/wallet_items.h" | |
17 #include "chrome/browser/autofill/wallet/wallet_service_url.h" | |
18 #include "googleurl/src/gurl.h" | |
19 #include "net/http/http_status_code.h" | |
20 #include "net/url_request/url_fetcher.h" | |
21 #include "net/url_request/url_fetcher_delegate.h" | |
22 #include "net/url_request/url_request_context_getter.h" | |
23 | |
24 namespace wallet { | |
25 | |
26 class WalletDataRetriever::Core | |
27 : public base::RefCountedThreadSafe<WalletDataRetriever::Core>, | |
28 public net::URLFetcherDelegate { | |
29 public: | |
30 explicit Core(net::URLRequestContextGetter* context_getter) | |
31 : context_getter_(context_getter), | |
32 delegate_(NULL), | |
33 request_type_(NO_PENDING_REQUEST) {} | |
34 void AcceptLegalDocuments(const std::vector<std::string> document_ids, | |
35 const std::string& google_transaction_id, | |
36 Delegate* delegate); | |
37 void EncryptOtp(long otp, Delegate* delegate); | |
38 void GetFullWallet(const std::string& instrument_id, | |
39 const std::string& address_id, | |
40 const std::string& merchant_domain, | |
41 const Cart& cart, | |
42 const std::string& google_transaction_id, | |
43 const std::string& encrypted_otp, | |
44 const std::string& session_material, | |
45 Delegate* delegate); | |
46 void GetWalletItems(Delegate* delegate); | |
47 void SendExtendedAutofillStatus(bool success, | |
48 const std::string& merchant_domain, | |
49 const std::string& reason, | |
50 const std::string& google_transaction_id, | |
51 Delegate* delegate); | |
52 virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE; | |
53 private: | |
54 friend class base::RefCountedThreadSafe<Core>; | |
55 std::string GetRiskParams() { return ""; } | |
Raman Kakilate
2012/11/17 02:28:31
Add a TODO ?
| |
56 | |
57 enum RequestType { | |
58 NO_PENDING_REQUEST, | |
59 ACCEPT_LEGAL_DOCUMENTS, | |
60 ENCRYPT_OTP, | |
61 GET_FULL_WALLET, | |
62 GET_WALLET_ITEMS, | |
63 SEND_STATUS, | |
64 }; | |
65 | |
66 virtual ~Core() {} | |
67 | |
68 void MakeWalletRequest(const GURL url, | |
69 const std::string& post_body, | |
70 WalletDataRetriever::Delegate* delegate, | |
71 const std::string& content_type = "application/json"); | |
72 | |
73 void HandleResponse(const net::URLFetcher* source, | |
74 bool* should_retry_request); | |
75 | |
76 scoped_refptr<net::URLRequestContextGetter> context_getter_; | |
77 WalletDataRetriever::Delegate* delegate_; | |
78 scoped_ptr<net::URLFetcher> request_; | |
79 RequestType request_type_; | |
80 }; | |
81 | |
82 void WalletDataRetriever::Core::AcceptLegalDocuments( | |
83 const std::vector<std::string> document_ids, | |
84 const std::string& google_transaction_id, | |
85 WalletDataRetriever::Delegate* delegate) { | |
86 DCHECK_EQ(request_type_, NO_PENDING_REQUEST); | |
Raman Kakilate
2012/11/17 02:28:31
What happens if we attempt multiple call on same o
| |
87 request_type_ = ACCEPT_LEGAL_DOCUMENTS; | |
88 GURL url = GetAcceptLegalDocumentsUrl(); | |
89 DictionaryValue request_dict; | |
90 request_dict.SetString("api_key", wallet::kApiKey); | |
91 request_dict.SetString("google_transaction_id", google_transaction_id); | |
92 ListValue* docs_list = new ListValue(); | |
93 for (std::vector<std::string>::const_iterator it = document_ids.begin(); | |
94 it != document_ids.end(); | |
95 ++it) | |
96 docs_list->AppendString(*it); | |
97 request_dict.Set("accepted_legal_document", docs_list); | |
98 | |
99 std::string post_body; | |
100 base::JSONWriter::Write(&request_dict, &post_body); | |
101 MakeWalletRequest(url, post_body, delegate); | |
102 } | |
103 | |
104 void WalletDataRetriever::Core::EncryptOtp( | |
105 long otp, | |
106 WalletDataRetriever::Delegate* delegate) { | |
107 DCHECK_EQ(request_type_, NO_PENDING_REQUEST); | |
108 request_type_ = ENCRYPT_OTP; | |
109 GURL url = GetSecureUrl(); | |
110 std::string post_body = "cvv=2c:6bcc7b68d6"; | |
111 MakeWalletRequest(url, | |
112 post_body, | |
113 delegate, | |
114 "application/x-www-form-urlencoded"); | |
115 } | |
116 | |
117 void WalletDataRetriever::Core::GetFullWallet( | |
118 const std::string& instrument_id, | |
119 const std::string& address_id, | |
120 const std::string& merchant_domain, | |
121 const Cart& cart, | |
122 const std::string& google_transaction_id, | |
123 const std::string& encrypted_otp, | |
124 const std::string& session_material, | |
125 WalletDataRetriever::Delegate* delegate) { | |
126 DCHECK_EQ(request_type_, NO_PENDING_REQUEST); | |
127 request_type_ = GET_FULL_WALLET; | |
128 GURL url = GetGetFullWalletUrl(); | |
129 DictionaryValue request_dict; | |
130 request_dict.SetString("api_key", wallet::kApiKey); | |
131 request_dict.SetString("risk_params", GetRiskParams()); | |
132 request_dict.SetString("selected_instrument_id", instrument_id); | |
133 request_dict.SetString("selected_address_id", address_id); | |
134 request_dict.SetString("merchant_domain", merchant_domain); | |
135 request_dict.SetString("google_transaction_id", google_transaction_id); | |
136 scoped_ptr<DictionaryValue> cart_dict = cart.ToDictionary(); | |
137 request_dict.Set("cart", cart_dict.release()); | |
138 request_dict.SetString("encrypted_otp", encrypted_otp); | |
139 request_dict.SetString("session_material", session_material); | |
140 // TODO(ahutter): Set encrypted_otp | |
141 // TODO(ahutter): Set session_material | |
142 std::string post_body; | |
143 base::JSONWriter::Write(&request_dict, &post_body); | |
144 MakeWalletRequest(url, post_body, delegate); | |
145 } | |
146 | |
147 void WalletDataRetriever::Core::GetWalletItems( | |
148 WalletDataRetriever::Delegate* delegate) { | |
149 DCHECK_EQ(request_type_, NO_PENDING_REQUEST); | |
150 request_type_ = GET_WALLET_ITEMS; | |
151 GURL url = GetGetWalletItemsUrl(); | |
152 DictionaryValue request_dict; | |
153 request_dict.SetString("api_key", wallet::kApiKey); | |
154 request_dict.SetString("risk_params", GetRiskParams()); | |
155 std::string post_body; | |
156 base::JSONWriter::Write(&request_dict, &post_body); | |
157 MakeWalletRequest(url, post_body, delegate); | |
158 } | |
159 | |
160 void WalletDataRetriever::Core::SendExtendedAutofillStatus( | |
161 bool success, | |
162 const std::string& merchant_domain, | |
163 const std::string& reason, | |
164 const std::string& google_transaction_id, | |
165 WalletDataRetriever::Delegate* delegate) { | |
166 DCHECK_EQ(request_type_, NO_PENDING_REQUEST); | |
167 request_type_ = SEND_STATUS; | |
168 GURL url = GetSendStatusUrl(); | |
169 DictionaryValue request_dict; | |
170 request_dict.SetString("api_key", wallet::kApiKey); | |
171 request_dict.SetBoolean("success", success); | |
172 request_dict.SetString("hostname", merchant_domain); | |
173 if (!success) | |
174 // TODO(ahutter): Probably want to do some checks on reason | |
ahutter
2012/11/15 20:59:53
Ask team.
| |
175 request_dict.SetString("reason", reason); | |
176 request_dict.SetString("google_transaction_id", google_transaction_id); | |
177 std::string post_body; | |
178 base::JSONWriter::Write(&request_dict, &post_body); | |
179 MakeWalletRequest(url, post_body, delegate); | |
180 } | |
181 | |
182 void WalletDataRetriever::Core::MakeWalletRequest( | |
183 GURL url, | |
184 const std::string& post_body, | |
185 WalletDataRetriever::Delegate* delegate, | |
186 const std::string& content_type) { | |
187 DCHECK(!request_.get()) << "Tried to fetch two things at once!"; | |
188 delegate_ = delegate; | |
189 request_.reset(net::URLFetcher::Create( | |
190 0, url, net::URLFetcher::POST, this)); | |
191 request_->SetRequestContext(context_getter_); | |
192 VLOG(1) << "Request body: " << post_body; | |
193 request_->SetUploadData(content_type, post_body); | |
194 request_->SetMaxRetries(0); | |
ahutter
2012/11/15 20:59:53
Do we want retry logic? Who to ask?
| |
195 request_->Start(); | |
196 } | |
197 | |
198 | |
199 void WalletDataRetriever::Core::OnURLFetchComplete( | |
200 const net::URLFetcher* source) { | |
201 bool should_retry = false; | |
202 HandleResponse(source, &should_retry); | |
203 if (should_retry) { | |
204 // Explicitly call ReceivedContentWasMalformed() to ensure the current | |
205 // request gets counted as a failure for calculation of the back-off | |
206 // period. If it was already a failure by status code, this call will | |
207 // be ignored. | |
208 request_->ReceivedContentWasMalformed(); | |
209 // We must set our context_getter_ again because | |
210 // URLFetcher::Core::RetryOrCompleteUrlFetch resets it to NULL... | |
211 request_->SetRequestContext(context_getter_); | |
212 request_->Start(); | |
213 } | |
214 } | |
215 | |
216 void WalletDataRetriever::Core::HandleResponse( | |
217 const net::URLFetcher* source, | |
218 bool* should_retry_request) { | |
219 // Keep the URLFetcher object in case we need to reuse it. | |
220 scoped_ptr<net::URLFetcher> old_request = request_.Pass(); | |
221 DCHECK_EQ(source, old_request.get()); | |
222 | |
223 // HTTP_BAD_REQUEST means the arguments are invalid. No point retrying. We are | |
224 // done here. | |
225 if (source->GetResponseCode() == net::HTTP_BAD_REQUEST) { | |
226 request_type_ = NO_PENDING_REQUEST; | |
227 delegate_->OnWalletError(); | |
228 return; | |
229 } | |
230 | |
231 scoped_ptr<DictionaryValue> response_dict; | |
232 if (source->GetResponseCode() == net::HTTP_OK) { | |
233 std::string data; | |
234 source->GetResponseAsString(&data); | |
235 VLOG(1) << "Response body: " << data; | |
236 scoped_ptr<Value> message_value(base::JSONReader::Read(data)); | |
237 if (message_value.get() && | |
238 message_value->IsType(Value::TYPE_DICTIONARY)) { | |
239 response_dict.reset( | |
240 static_cast<DictionaryValue*>(message_value.release())); | |
241 } | |
242 } | |
243 | |
244 // TODO(ahutter): this condition sucks. needs to be simplified. | |
245 if (!response_dict.get() && | |
246 (!(request_type_ == SEND_STATUS | |
247 || request_type_ == ACCEPT_LEGAL_DOCUMENTS | |
248 || request_type_ == ENCRYPT_OTP) | |
249 || source->GetResponseCode() != net::HTTP_OK)) { | |
250 if ((source->GetMaxRetries() != -1)) { | |
251 request_type_ = NO_PENDING_REQUEST; | |
252 VLOG(1) << "Hitting " << source->GetOriginalURL(); | |
253 delegate_->OnNetworkError(source->GetResponseCode()); | |
254 } else { | |
255 request_ = old_request.Pass(); | |
256 *should_retry_request = true; | |
257 } | |
258 return; | |
259 } | |
260 | |
261 RequestType type = request_type_; | |
262 request_type_ = NO_PENDING_REQUEST; | |
263 | |
264 switch (type) { | |
265 case ACCEPT_LEGAL_DOCUMENTS: | |
266 delegate_->OnAcceptLegalDocuments(); | |
267 break; | |
268 case ENCRYPT_OTP: { | |
269 std::string data; | |
270 source->GetResponseAsString(&data); | |
271 std::vector<std::string> splits; | |
272 base::SplitString(data, '|', &splits); | |
273 if (splits.size() != 2) { | |
274 delegate_->OnWalletError(); | |
ahutter
2012/11/15 20:59:53
Does this need error codes? Also needs tests.
| |
275 } else { | |
276 delegate_->OnEncryptOtp(splits[1], splits[0]); | |
277 } | |
278 break; | |
279 } | |
280 case SEND_STATUS: | |
281 delegate_->OnSendExtendedAutofillStatus(); | |
282 break; | |
283 case GET_FULL_WALLET: { | |
284 scoped_ptr<FullWallet> full_wallet = | |
285 FullWallet::FromDictionary(response_dict.get()); | |
286 if (full_wallet.get()) { | |
287 delegate_->OnGetFullWallet(full_wallet.release()); | |
288 } else { | |
289 delegate_->OnWalletError(); | |
ahutter
2012/11/15 20:59:53
Need test
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290 } | |
291 break; | |
292 } | |
293 case GET_WALLET_ITEMS: { | |
294 scoped_ptr<WalletItems> wallet_items = | |
295 WalletItems::FromDictionary(response_dict.get()); | |
296 if (wallet_items.get()) { | |
297 delegate_->OnGetWalletItems(wallet_items.release()); | |
298 } else { | |
299 delegate_->OnWalletError(); | |
ahutter
2012/11/15 20:59:53
Need test.
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300 } | |
301 break; | |
302 } | |
303 default: | |
304 NOTREACHED(); | |
305 } | |
306 } | |
307 | |
308 WalletDataRetriever::WalletDataRetriever( | |
309 net::URLRequestContextGetter* context_getter) { | |
310 core_ = new Core(context_getter); | |
311 } | |
312 | |
313 WalletDataRetriever::~WalletDataRetriever() {} | |
314 | |
315 void WalletDataRetriever::AcceptLegalDocuments( | |
316 const std::vector<std::string> document_ids, | |
317 const std::string& google_transaction_id, | |
318 WalletDataRetriever::Delegate* delegate) { | |
319 core_->AcceptLegalDocuments(document_ids, | |
320 google_transaction_id, | |
321 delegate); | |
322 } | |
323 | |
324 void WalletDataRetriever::EncryptOtp(long otp, | |
325 WalletDataRetriever::Delegate* delegate) { | |
326 core_->EncryptOtp(otp, delegate); | |
327 } | |
328 | |
329 void WalletDataRetriever::GetFullWallet( | |
330 const std::string& instrument_id, | |
331 const std::string& address_id, | |
332 const std::string& merchant_domain, | |
333 const Cart& cart, | |
334 const std::string& google_transaction_id, | |
335 const std::string& encrypted_otp, | |
336 const std::string& session_material, | |
337 WalletDataRetriever::Delegate* delegate) { | |
338 core_->GetFullWallet(instrument_id, | |
339 address_id, | |
340 merchant_domain, | |
341 cart, | |
342 google_transaction_id, | |
343 encrypted_otp, | |
344 session_material, | |
345 delegate); | |
346 } | |
347 | |
348 void WalletDataRetriever::GetWalletItems( | |
349 WalletDataRetriever::Delegate* delegate) { | |
350 core_->GetWalletItems(delegate); | |
351 } | |
352 | |
353 void WalletDataRetriever::SendExtendedAutofillStatus( | |
354 bool success, | |
355 const std::string& merchant_domain, | |
356 const std::string& reason, | |
357 const std::string& google_transaction_id, | |
358 WalletDataRetriever::Delegate* delegate) { | |
359 core_->SendExtendedAutofillStatus(success, | |
360 merchant_domain, | |
361 reason, | |
362 google_transaction_id, | |
363 delegate); | |
364 } | |
365 | |
366 } // end wallet namespace | |
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