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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 "net/http/http_network_layer.h" | |
6 | |
7 #include "base/basictypes.h" | |
8 #include "base/strings/stringprintf.h" | |
9 #include "net/base/net_log.h" | |
10 #include "net/cert/mock_cert_verifier.h" | |
11 #include "net/dns/mock_host_resolver.h" | |
12 #include "net/http/http_network_session.h" | |
13 #include "net/http/http_server_properties_impl.h" | |
14 #include "net/http/http_transaction_test_util.h" | |
15 #include "net/http/transport_security_state.h" | |
16 #include "net/proxy/proxy_service.h" | |
17 #include "net/socket/socket_test_util.h" | |
18 #include "net/spdy/spdy_session_pool.h" | |
19 #include "net/ssl/ssl_config_service_defaults.h" | |
20 #include "testing/gtest/include/gtest/gtest.h" | |
21 #include "testing/platform_test.h" | |
22 | |
23 namespace net { | |
24 | |
25 namespace { | |
26 | |
27 class HttpNetworkLayerTest : public PlatformTest { | |
28 protected: | |
29 HttpNetworkLayerTest() : ssl_config_service_(new SSLConfigServiceDefaults) {} | |
30 | |
31 void SetUp() override { | |
32 ConfigureTestDependencies(ProxyService::CreateDirect()); | |
33 } | |
34 | |
35 void ConfigureTestDependencies(ProxyService* proxy_service) { | |
36 cert_verifier_.reset(new MockCertVerifier); | |
37 transport_security_state_.reset(new TransportSecurityState); | |
38 proxy_service_.reset(proxy_service); | |
39 HttpNetworkSession::Params session_params; | |
40 session_params.client_socket_factory = &mock_socket_factory_; | |
41 session_params.host_resolver = &host_resolver_; | |
42 session_params.cert_verifier = cert_verifier_.get(); | |
43 session_params.transport_security_state = transport_security_state_.get(); | |
44 session_params.proxy_service = proxy_service_.get(); | |
45 session_params.ssl_config_service = ssl_config_service_.get(); | |
46 session_params.http_server_properties = | |
47 http_server_properties_.GetWeakPtr(); | |
48 network_session_ = new HttpNetworkSession(session_params); | |
49 factory_.reset(new HttpNetworkLayer(network_session_.get())); | |
50 } | |
51 | |
52 void ExecuteRequestExpectingContentAndHeader(const std::string& method, | |
53 const std::string& content, | |
54 const std::string& header, | |
55 const std::string& value) { | |
56 TestCompletionCallback callback; | |
57 | |
58 HttpRequestInfo request_info; | |
59 request_info.url = GURL("http://www.google.com/"); | |
60 request_info.method = method; | |
61 request_info.load_flags = LOAD_NORMAL; | |
62 | |
63 scoped_ptr<HttpTransaction> trans; | |
64 int rv = factory_->CreateTransaction(DEFAULT_PRIORITY, &trans); | |
65 EXPECT_EQ(OK, rv); | |
66 | |
67 rv = trans->Start(&request_info, callback.callback(), BoundNetLog()); | |
68 if (rv == ERR_IO_PENDING) | |
69 rv = callback.WaitForResult(); | |
70 ASSERT_EQ(OK, rv); | |
71 | |
72 std::string contents; | |
73 rv = ReadTransaction(trans.get(), &contents); | |
74 EXPECT_EQ(OK, rv); | |
75 EXPECT_EQ(content, contents); | |
76 | |
77 if (!header.empty()) { | |
78 // We also have a server header here that isn't set by the proxy. | |
79 EXPECT_TRUE(trans->GetResponseInfo()->headers->HasHeaderValue( | |
80 header, value)); | |
81 } | |
82 } | |
83 | |
84 // Check that |proxy_count| proxies are in the retry list. | |
85 // These will be, in order, |bad_proxy| and |bad_proxy2|". | |
86 void TestBadProxies(unsigned int proxy_count, const std::string& bad_proxy, | |
87 const std::string& bad_proxy2) { | |
88 const ProxyRetryInfoMap& retry_info = proxy_service_->proxy_retry_info(); | |
89 ASSERT_EQ(proxy_count, retry_info.size()); | |
90 if (proxy_count > 0) | |
91 ASSERT_TRUE(retry_info.find(bad_proxy) != retry_info.end()); | |
92 if (proxy_count > 1) | |
93 ASSERT_TRUE(retry_info.find(bad_proxy2) != retry_info.end()); | |
94 } | |
95 | |
96 // Simulates a request through a proxy which returns a bypass, which is then | |
97 // retried through a second proxy that doesn't bypass. | |
98 // Checks that the expected requests were issued, the expected content was | |
99 // received, and the first proxy |bad_proxy| was marked as bad. | |
100 void TestProxyFallback(const std::string& bad_proxy) { | |
101 MockRead data_reads[] = { | |
102 MockRead("HTTP/1.1 200 OK\r\n" | |
103 "Chrome-Proxy: bypass=0\r\n\r\n"), | |
104 MockRead("Bypass message"), | |
105 MockRead(SYNCHRONOUS, OK), | |
106 }; | |
107 TestProxyFallbackWithMockReads(bad_proxy, "", data_reads, | |
108 arraysize(data_reads), 1u); | |
109 } | |
110 | |
111 void TestProxyFallbackWithMockReads(const std::string& bad_proxy, | |
112 const std::string& bad_proxy2, | |
113 MockRead data_reads[], | |
114 int data_reads_size, | |
115 unsigned int expected_retry_info_size) { | |
116 TestProxyFallbackByMethodWithMockReads(bad_proxy, bad_proxy2, data_reads, | |
117 data_reads_size, "GET", "content", | |
118 true, expected_retry_info_size); | |
119 } | |
120 | |
121 void TestProxyFallbackByMethodWithMockReads( | |
122 const std::string& bad_proxy, | |
123 const std::string& bad_proxy2, | |
124 MockRead data_reads[], | |
125 int data_reads_size, | |
126 std::string method, | |
127 std::string content, | |
128 bool retry_expected, | |
129 unsigned int expected_retry_info_size) { | |
130 std::string trailer = | |
131 (method == "HEAD" || method == "PUT" || method == "POST") ? | |
132 "Content-Length: 0\r\n\r\n" : "\r\n"; | |
133 std::string request = | |
134 base::StringPrintf("%s http://www.google.com/ HTTP/1.1\r\n" | |
135 "Host: www.google.com\r\n" | |
136 "Proxy-Connection: keep-alive\r\n" | |
137 "%s", method.c_str(), trailer.c_str()); | |
138 | |
139 MockWrite data_writes[] = { | |
140 MockWrite(request.c_str()), | |
141 }; | |
142 | |
143 StaticSocketDataProvider data1(data_reads, data_reads_size, | |
144 data_writes, arraysize(data_writes)); | |
145 mock_socket_factory_.AddSocketDataProvider(&data1); | |
146 | |
147 // Second data provider returns the expected content. | |
148 MockRead data_reads2[3]; | |
149 size_t data_reads2_index = 0; | |
150 data_reads2[data_reads2_index++] = MockRead("HTTP/1.0 200 OK\r\n" | |
151 "Server: not-proxy\r\n\r\n"); | |
152 if (!content.empty()) | |
153 data_reads2[data_reads2_index++] = MockRead(content.c_str()); | |
154 data_reads2[data_reads2_index++] = MockRead(SYNCHRONOUS, OK); | |
155 | |
156 MockWrite data_writes2[] = { | |
157 MockWrite(request.c_str()), | |
158 }; | |
159 StaticSocketDataProvider data2(data_reads2, data_reads2_index, | |
160 data_writes2, arraysize(data_writes2)); | |
161 mock_socket_factory_.AddSocketDataProvider(&data2); | |
162 | |
163 // Expect that we get "content" and not "Bypass message", and that there's | |
164 // a "not-proxy" "Server:" header in the final response. | |
165 if (retry_expected) { | |
166 ExecuteRequestExpectingContentAndHeader(method, content, | |
167 "server", "not-proxy"); | |
168 } else { | |
169 ExecuteRequestExpectingContentAndHeader(method, content, "", ""); | |
170 } | |
171 | |
172 // We should also observe the bad proxy in the retry list. | |
173 TestBadProxies(expected_retry_info_size, bad_proxy, bad_proxy2); | |
174 } | |
175 | |
176 // Simulates a request through a proxy which returns a bypass, which is then | |
177 // retried through a direct connection to the origin site. | |
178 // Checks that the expected requests were issued, the expected content was | |
179 // received, and the proxy |bad_proxy| was marked as bad. | |
180 void TestProxyFallbackToDirect(const std::string& bad_proxy) { | |
181 MockRead data_reads[] = { | |
182 MockRead("HTTP/1.1 200 OK\r\n" | |
183 "Chrome-Proxy: bypass=0\r\n\r\n"), | |
184 MockRead("Bypass message"), | |
185 MockRead(SYNCHRONOUS, OK), | |
186 }; | |
187 MockWrite data_writes[] = { | |
188 MockWrite("GET http://www.google.com/ HTTP/1.1\r\n" | |
189 "Host: www.google.com\r\n" | |
190 "Proxy-Connection: keep-alive\r\n\r\n"), | |
191 }; | |
192 StaticSocketDataProvider data1(data_reads, arraysize(data_reads), | |
193 data_writes, arraysize(data_writes)); | |
194 mock_socket_factory_.AddSocketDataProvider(&data1); | |
195 | |
196 // Second data provider returns the expected content. | |
197 MockRead data_reads2[] = { | |
198 MockRead("HTTP/1.0 200 OK\r\n" | |
199 "Server: not-proxy\r\n\r\n"), | |
200 MockRead("content"), | |
201 MockRead(SYNCHRONOUS, OK), | |
202 }; | |
203 MockWrite data_writes2[] = { | |
204 MockWrite("GET / HTTP/1.1\r\n" | |
205 "Host: www.google.com\r\n" | |
206 "Connection: keep-alive\r\n\r\n"), | |
207 }; | |
208 StaticSocketDataProvider data2(data_reads2, arraysize(data_reads2), | |
209 data_writes2, arraysize(data_writes2)); | |
210 mock_socket_factory_.AddSocketDataProvider(&data2); | |
211 | |
212 // Expect that we get "content" and not "Bypass message", and that there's | |
213 // a "not-proxy" "Server:" header in the final response. | |
214 ExecuteRequestExpectingContentAndHeader("GET", "content", | |
215 "server", "not-proxy"); | |
216 | |
217 // We should also observe the bad proxy in the retry list. | |
218 TestBadProxies(1u, bad_proxy, ""); | |
219 } | |
220 | |
221 // Simulates a request through a proxy which returns a bypass, under a | |
222 // configuration where there is no valid bypass. |proxy_count| proxies | |
223 // are expected to be configured. | |
224 // Checks that the expected requests were issued, the bypass message was the | |
225 // final received content, and all proxies were marked as bad. | |
226 void TestProxyFallbackFail(unsigned int proxy_count, | |
227 const std::string& bad_proxy, | |
228 const std::string& bad_proxy2) { | |
229 MockRead data_reads[] = { | |
230 MockRead("HTTP/1.1 200 OK\r\n" | |
231 "Chrome-Proxy: bypass=0\r\n\r\n"), | |
232 MockRead("Bypass message"), | |
233 MockRead(SYNCHRONOUS, OK), | |
234 }; | |
235 MockWrite data_writes[] = { | |
236 MockWrite("GET http://www.google.com/ HTTP/1.1\r\n" | |
237 "Host: www.google.com\r\n" | |
238 "Proxy-Connection: keep-alive\r\n\r\n"), | |
239 }; | |
240 StaticSocketDataProvider data1(data_reads, arraysize(data_reads), | |
241 data_writes, arraysize(data_writes)); | |
242 StaticSocketDataProvider data2(data_reads, arraysize(data_reads), | |
243 data_writes, arraysize(data_writes)); | |
244 | |
245 mock_socket_factory_.AddSocketDataProvider(&data1); | |
246 if (proxy_count > 1) | |
247 mock_socket_factory_.AddSocketDataProvider(&data2); | |
248 | |
249 // Expect that we get "Bypass message", and not "content".. | |
250 ExecuteRequestExpectingContentAndHeader("GET", "Bypass message", "", ""); | |
251 | |
252 // We should also observe the bad proxy or proxies in the retry list. | |
253 TestBadProxies(proxy_count, bad_proxy, bad_proxy2); | |
254 } | |
255 | |
256 MockClientSocketFactory mock_socket_factory_; | |
257 MockHostResolver host_resolver_; | |
258 scoped_ptr<CertVerifier> cert_verifier_; | |
259 scoped_ptr<TransportSecurityState> transport_security_state_; | |
260 scoped_ptr<ProxyService> proxy_service_; | |
261 const scoped_refptr<SSLConfigService> ssl_config_service_; | |
262 scoped_refptr<HttpNetworkSession> network_session_; | |
263 scoped_ptr<HttpNetworkLayer> factory_; | |
264 HttpServerPropertiesImpl http_server_properties_; | |
265 }; | |
266 | |
267 TEST_F(HttpNetworkLayerTest, CreateAndDestroy) { | |
268 scoped_ptr<HttpTransaction> trans; | |
269 int rv = factory_->CreateTransaction(DEFAULT_PRIORITY, &trans); | |
270 EXPECT_EQ(OK, rv); | |
271 EXPECT_TRUE(trans.get() != NULL); | |
272 } | |
273 | |
274 TEST_F(HttpNetworkLayerTest, Suspend) { | |
275 scoped_ptr<HttpTransaction> trans; | |
276 int rv = factory_->CreateTransaction(DEFAULT_PRIORITY, &trans); | |
277 EXPECT_EQ(OK, rv); | |
278 | |
279 trans.reset(); | |
280 | |
281 factory_->OnSuspend(); | |
282 | |
283 rv = factory_->CreateTransaction(DEFAULT_PRIORITY, &trans); | |
284 EXPECT_EQ(ERR_NETWORK_IO_SUSPENDED, rv); | |
285 | |
286 ASSERT_TRUE(trans == NULL); | |
287 | |
288 factory_->OnResume(); | |
289 | |
290 rv = factory_->CreateTransaction(DEFAULT_PRIORITY, &trans); | |
291 EXPECT_EQ(OK, rv); | |
292 } | |
293 | |
294 TEST_F(HttpNetworkLayerTest, GET) { | |
295 MockRead data_reads[] = { | |
296 MockRead("HTTP/1.0 200 OK\r\n\r\n"), | |
297 MockRead("hello world"), | |
298 MockRead(SYNCHRONOUS, OK), | |
299 }; | |
300 MockWrite data_writes[] = { | |
301 MockWrite("GET / HTTP/1.1\r\n" | |
302 "Host: www.google.com\r\n" | |
303 "Connection: keep-alive\r\n" | |
304 "User-Agent: Foo/1.0\r\n\r\n"), | |
305 }; | |
306 StaticSocketDataProvider data(data_reads, arraysize(data_reads), | |
307 data_writes, arraysize(data_writes)); | |
308 mock_socket_factory_.AddSocketDataProvider(&data); | |
309 | |
310 TestCompletionCallback callback; | |
311 | |
312 HttpRequestInfo request_info; | |
313 request_info.url = GURL("http://www.google.com/"); | |
314 request_info.method = "GET"; | |
315 request_info.extra_headers.SetHeader(HttpRequestHeaders::kUserAgent, | |
316 "Foo/1.0"); | |
317 request_info.load_flags = LOAD_NORMAL; | |
318 | |
319 scoped_ptr<HttpTransaction> trans; | |
320 int rv = factory_->CreateTransaction(DEFAULT_PRIORITY, &trans); | |
321 EXPECT_EQ(OK, rv); | |
322 | |
323 rv = trans->Start(&request_info, callback.callback(), BoundNetLog()); | |
324 rv = callback.GetResult(rv); | |
325 ASSERT_EQ(OK, rv); | |
326 | |
327 std::string contents; | |
328 rv = ReadTransaction(trans.get(), &contents); | |
329 EXPECT_EQ(OK, rv); | |
330 EXPECT_EQ("hello world", contents); | |
331 } | |
332 | |
333 TEST_F(HttpNetworkLayerTest, NetworkVerified) { | |
334 MockRead data_reads[] = { | |
335 MockRead("HTTP/1.0 200 OK\r\n\r\n"), | |
336 MockRead("hello world"), | |
337 MockRead(SYNCHRONOUS, OK), | |
338 }; | |
339 MockWrite data_writes[] = { | |
340 MockWrite("GET / HTTP/1.1\r\n" | |
341 "Host: www.google.com\r\n" | |
342 "Connection: keep-alive\r\n" | |
343 "User-Agent: Foo/1.0\r\n\r\n"), | |
344 }; | |
345 StaticSocketDataProvider data(data_reads, arraysize(data_reads), | |
346 data_writes, arraysize(data_writes)); | |
347 mock_socket_factory_.AddSocketDataProvider(&data); | |
348 | |
349 TestCompletionCallback callback; | |
350 | |
351 HttpRequestInfo request_info; | |
352 request_info.url = GURL("http://www.google.com/"); | |
353 request_info.method = "GET"; | |
354 request_info.extra_headers.SetHeader(HttpRequestHeaders::kUserAgent, | |
355 "Foo/1.0"); | |
356 request_info.load_flags = LOAD_NORMAL; | |
357 | |
358 scoped_ptr<HttpTransaction> trans; | |
359 int rv = factory_->CreateTransaction(DEFAULT_PRIORITY, &trans); | |
360 EXPECT_EQ(OK, rv); | |
361 | |
362 rv = trans->Start(&request_info, callback.callback(), BoundNetLog()); | |
363 ASSERT_EQ(OK, callback.GetResult(rv)); | |
364 | |
365 EXPECT_TRUE(trans->GetResponseInfo()->network_accessed); | |
366 } | |
367 | |
368 TEST_F(HttpNetworkLayerTest, NetworkUnVerified) { | |
369 MockRead data_reads[] = { | |
370 MockRead(ASYNC, ERR_CONNECTION_RESET), | |
371 }; | |
372 MockWrite data_writes[] = { | |
373 MockWrite("GET / HTTP/1.1\r\n" | |
374 "Host: www.google.com\r\n" | |
375 "Connection: keep-alive\r\n" | |
376 "User-Agent: Foo/1.0\r\n\r\n"), | |
377 }; | |
378 StaticSocketDataProvider data(data_reads, arraysize(data_reads), | |
379 data_writes, arraysize(data_writes)); | |
380 mock_socket_factory_.AddSocketDataProvider(&data); | |
381 | |
382 TestCompletionCallback callback; | |
383 | |
384 HttpRequestInfo request_info; | |
385 request_info.url = GURL("http://www.google.com/"); | |
386 request_info.method = "GET"; | |
387 request_info.extra_headers.SetHeader(HttpRequestHeaders::kUserAgent, | |
388 "Foo/1.0"); | |
389 request_info.load_flags = LOAD_NORMAL; | |
390 | |
391 scoped_ptr<HttpTransaction> trans; | |
392 int rv = factory_->CreateTransaction(DEFAULT_PRIORITY, &trans); | |
393 EXPECT_EQ(OK, rv); | |
394 | |
395 rv = trans->Start(&request_info, callback.callback(), BoundNetLog()); | |
396 ASSERT_EQ(ERR_CONNECTION_RESET, callback.GetResult(rv)); | |
397 | |
398 // If the response info is null, that means that any consumer won't | |
399 // see the network accessed bit set. | |
400 EXPECT_EQ(NULL, trans->GetResponseInfo()); | |
401 } | |
402 | |
403 } // namespace | |
404 | |
405 } // namespace net | |
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