1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
|
// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/base/proxy_chain.h"
#include <sstream>
#include "base/strings/string_number_conversions.h"
#include "net/base/proxy_string_util.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/abseil-cpp/absl/types/optional.h"
namespace net {
namespace {
TEST(ProxyChainTest, DefaultConstructor) {
ProxyChain proxy_chain;
EXPECT_FALSE(proxy_chain.IsValid());
}
TEST(ProxyChainTest, DirectProxy) {
ProxyChain proxy_chain1 = ProxyChain::Direct();
ProxyChain proxy_chain2 = ProxyChain(ProxyServer::Direct());
ProxyChain proxy_chain3 =
ProxyChain(std::vector<ProxyServer>{ProxyServer::Direct()});
ProxyChain proxy_chain4 = ProxyChain(
std::vector<ProxyServer>{ProxyServer::Direct(), ProxyServer::Direct()});
std::vector<ProxyServer> proxy_servers = {};
// Equal and valid proxy chains.
ASSERT_EQ(proxy_chain1, proxy_chain2);
EXPECT_TRUE(proxy_chain1.IsValid());
EXPECT_TRUE(proxy_chain2.IsValid());
EXPECT_TRUE(proxy_chain1.is_direct());
EXPECT_FALSE(proxy_chain1.is_single_proxy());
EXPECT_FALSE(proxy_chain1.is_multi_proxy());
ASSERT_EQ(proxy_chain1.length(), 0u);
ASSERT_EQ(proxy_chain1.proxy_servers(), proxy_servers);
// Not equal proxy chains.
ASSERT_NE(proxy_chain2, proxy_chain3);
EXPECT_FALSE(proxy_chain3.is_direct());
EXPECT_FALSE(proxy_chain3.is_single_proxy());
EXPECT_FALSE(proxy_chain3.is_multi_proxy());
ASSERT_EQ(proxy_chain3.length(), 0u);
// Equal and not valid proxy chains.
ASSERT_EQ(proxy_chain3, proxy_chain4);
EXPECT_FALSE(proxy_chain3.IsValid());
EXPECT_FALSE(proxy_chain4.IsValid());
}
TEST(ProxyChainTest, Ostream) {
ProxyChain proxy_chain =
ProxyChain::FromSchemeHostAndPort(ProxyServer::SCHEME_HTTP, "foo", 80);
std::ostringstream out;
out << proxy_chain;
EXPECT_EQ(out.str(), "[foo:80]");
}
TEST(ProxyChainTest, ToDebugString) {
ProxyChain proxy_chain1 =
ProxyChain(ProxyUriToProxyServer("foo:333", ProxyServer::SCHEME_SOCKS5));
EXPECT_EQ(proxy_chain1.ToDebugString(), "[socks5://foo:333]");
ProxyChain proxy_chain2 =
ProxyChain({ProxyUriToProxyServer("foo:444", ProxyServer::SCHEME_HTTPS),
ProxyUriToProxyServer("foo:555", ProxyServer::SCHEME_HTTPS)});
EXPECT_EQ(proxy_chain2.ToDebugString(), "[https://foo:444, https://foo:555]");
ProxyChain direct_proxy_chain = ProxyChain::Direct();
EXPECT_EQ(direct_proxy_chain.ToDebugString(), "[direct://]");
ProxyChain invalid_proxy_chain = ProxyChain();
EXPECT_EQ(invalid_proxy_chain.ToDebugString(), "INVALID PROXY CHAIN");
}
TEST(ProxyChainTest, FromSchemeHostAndPort) {
const struct {
const ProxyServer::Scheme input_scheme;
const char* const input_host;
const absl::optional<uint16_t> input_port;
const char* const input_port_str;
const char* const expected_host;
const uint16_t expected_port;
} tests[] = {
{ProxyServer::SCHEME_HTTP, "foopy", 80, "80", "foopy", 80},
// Non-standard port
{ProxyServer::SCHEME_HTTP, "foopy", 10, "10", "foopy", 10},
{ProxyServer::SCHEME_HTTP, "foopy", 0, "0", "foopy", 0},
// Hostname canonicalization
{ProxyServer::SCHEME_HTTP, "FoOpY", 80, "80", "foopy", 80},
{ProxyServer::SCHEME_HTTP, "f\u00fcpy", 80, "80", "xn--fpy-hoa", 80},
// IPv4 literal
{ProxyServer::SCHEME_HTTP, "1.2.3.4", 80, "80", "1.2.3.4", 80},
// IPv4 literal canonicalization
{ProxyServer::SCHEME_HTTP, "127.1", 80, "80", "127.0.0.1", 80},
{ProxyServer::SCHEME_HTTP, "0x7F.0x1", 80, "80", "127.0.0.1", 80},
{ProxyServer::SCHEME_HTTP, "0177.01", 80, "80", "127.0.0.1", 80},
// IPv6 literal
{ProxyServer::SCHEME_HTTP, "[3ffe:2a00:100:7031::1]", 80, "80",
"[3ffe:2a00:100:7031::1]", 80},
{ProxyServer::SCHEME_HTTP, "3ffe:2a00:100:7031::1", 80, "80",
"[3ffe:2a00:100:7031::1]", 80},
// IPv6 literal canonicalization
{ProxyServer::SCHEME_HTTP, "FEDC:BA98:7654:3210:FEDC:BA98:7654:3210", 80,
"80", "[fedc:ba98:7654:3210:fedc:ba98:7654:3210]", 80},
{ProxyServer::SCHEME_HTTP, "::192.9.5.5", 80, "80", "[::c009:505]", 80},
// Other schemes
{ProxyServer::SCHEME_HTTPS, "foopy", 111, "111", "foopy", 111},
{ProxyServer::SCHEME_QUIC, "foopy", 111, "111", "foopy", 111},
{ProxyServer::SCHEME_SOCKS4, "foopy", 111, "111", "foopy", 111},
{ProxyServer::SCHEME_SOCKS5, "foopy", 111, "111", "foopy", 111},
// Default ports
{ProxyServer::SCHEME_HTTP, "foopy", absl::nullopt, "", "foopy", 80},
{ProxyServer::SCHEME_HTTPS, "foopy", absl::nullopt, "", "foopy", 443},
{ProxyServer::SCHEME_QUIC, "foopy", absl::nullopt, "", "foopy", 443},
{ProxyServer::SCHEME_SOCKS4, "foopy", absl::nullopt, "", "foopy", 1080},
{ProxyServer::SCHEME_SOCKS5, "foopy", absl::nullopt, "", "foopy", 1080},
};
for (size_t i = 0; i < std::size(tests); ++i) {
SCOPED_TRACE(base::NumberToString(i) + ": " + tests[i].input_host + ":" +
base::NumberToString(tests[i].input_port.value_or(-1)));
auto chain = ProxyChain::FromSchemeHostAndPort(
tests[i].input_scheme, tests[i].input_host, tests[i].input_port);
auto proxy = chain.proxy_server();
ASSERT_TRUE(proxy.is_valid());
EXPECT_EQ(proxy.scheme(), tests[i].input_scheme);
EXPECT_EQ(proxy.GetHost(), tests[i].expected_host);
EXPECT_EQ(proxy.GetPort(), tests[i].expected_port);
auto chain_from_string_port = ProxyChain::FromSchemeHostAndPort(
tests[i].input_scheme, tests[i].input_host, tests[i].input_port_str);
auto proxy_from_string_port = chain_from_string_port.proxy_server();
EXPECT_TRUE(proxy_from_string_port.is_valid());
EXPECT_EQ(proxy, proxy_from_string_port);
}
}
TEST(ProxyChainTest, InvalidHostname) {
const char* const tests[]{
"",
"[]",
"[foo]",
"foo:",
"foo:80",
":",
"http://foo",
"3ffe:2a00:100:7031::1]",
"[3ffe:2a00:100:7031::1",
"foo.80",
};
for (size_t i = 0; i < std::size(tests); ++i) {
SCOPED_TRACE(base::NumberToString(i) + ": " + tests[i]);
auto proxy = ProxyChain::FromSchemeHostAndPort(ProxyServer::SCHEME_HTTP,
tests[i], 80);
EXPECT_FALSE(proxy.proxy_server().is_valid());
}
}
TEST(ProxyChainTest, InvalidPort) {
const char* const tests[]{
"-1",
"65536",
"foo",
"0x35",
};
for (size_t i = 0; i < std::size(tests); ++i) {
SCOPED_TRACE(base::NumberToString(i) + ": " + tests[i]);
auto proxy = ProxyChain::FromSchemeHostAndPort(ProxyServer::SCHEME_HTTP,
"foopy", tests[i]);
EXPECT_FALSE(proxy.proxy_server().is_valid());
}
}
TEST(ProxyChainTest, SingleProxyChain) {
auto proxy_server =
ProxyUriToProxyServer("foo:333", ProxyServer::SCHEME_HTTPS);
std::vector<ProxyServer> proxy_servers = {proxy_server};
auto proxy = ProxyChain(proxy_servers);
EXPECT_FALSE(proxy.is_direct());
EXPECT_TRUE(proxy.is_single_proxy());
EXPECT_FALSE(proxy.is_multi_proxy());
ASSERT_EQ(proxy.proxy_servers(), proxy_servers);
ASSERT_EQ(proxy.length(), 1u);
ASSERT_EQ(proxy.GetProxyServer(0), proxy_server);
}
TEST(ProxyChainTest, MultiProxyChain) {
auto proxy_server1 =
ProxyUriToProxyServer("foo:333", ProxyServer::SCHEME_HTTPS);
auto proxy_server2 =
ProxyUriToProxyServer("foo:444", ProxyServer::SCHEME_HTTPS);
auto proxy_server3 =
ProxyUriToProxyServer("foo:555", ProxyServer::SCHEME_HTTPS);
std::vector<ProxyServer> proxy_servers = {proxy_server1, proxy_server2,
proxy_server3};
auto proxy = ProxyChain(proxy_servers);
EXPECT_FALSE(proxy.is_direct());
EXPECT_FALSE(proxy.is_single_proxy());
EXPECT_TRUE(proxy.is_multi_proxy());
ASSERT_EQ(proxy.proxy_servers(), proxy_servers);
ASSERT_EQ(proxy.length(), 3u);
ASSERT_EQ(proxy.GetProxyServer(0), proxy_server1);
ASSERT_EQ(proxy.GetProxyServer(1), proxy_server2);
ASSERT_EQ(proxy.GetProxyServer(2), proxy_server3);
}
TEST(ProxyChainTest, IsValid) {
ProxyServer direct_proxy =
ProxyUriToProxyServer("", ProxyServer::SCHEME_DIRECT);
ProxyServer http_proxy1 =
ProxyUriToProxyServer("foo:444", ProxyServer::SCHEME_HTTPS);
ProxyServer http_proxy2 =
ProxyUriToProxyServer("foo:555", ProxyServer::SCHEME_HTTPS);
// Single hop proxy of type Direct is valid.
EXPECT_TRUE(ProxyChain(direct_proxy).IsValid());
// Multi hop proxy with same type is valid.
EXPECT_TRUE(ProxyChain({http_proxy1, http_proxy2}).IsValid());
}
TEST(ProxyChainTest, Unequal) {
// Unordered proxy chains.
std::vector<ProxyChain> proxy_chain_list = {
ProxyUriToProxyChain("", ProxyServer::SCHEME_DIRECT),
ProxyUriToProxyChain("foo:333", ProxyServer::SCHEME_HTTP),
ProxyUriToProxyChain("foo:444", ProxyServer::SCHEME_HTTP),
ProxyChain({ProxyUriToProxyServer("foo:555", ProxyServer::SCHEME_HTTPS),
ProxyUriToProxyServer("foo:666", ProxyServer::SCHEME_HTTPS)}),
ProxyUriToProxyChain("socks4://foo:33", ProxyServer::SCHEME_SOCKS4),
ProxyUriToProxyChain("http://foo:33", ProxyServer::SCHEME_HTTP),
ProxyChain({ProxyUriToProxyChain("bar:33", ProxyServer::SCHEME_HTTP)})};
// Ordered proxy chains.
std::set<ProxyChain> proxy_chain_set(proxy_chain_list.begin(),
proxy_chain_list.end());
// Initial proxy chain list and set are equal.
ASSERT_EQ(proxy_chain_list.size(), proxy_chain_set.size());
for (const ProxyChain& proxy_chain1 : proxy_chain_list) {
auto proxy_chain2 = proxy_chain_set.begin();
// Chain set entries less than `proxy_chain1`.
while (*proxy_chain2 < proxy_chain1) {
EXPECT_TRUE(*proxy_chain2 < proxy_chain1);
EXPECT_FALSE(proxy_chain1 < *proxy_chain2);
EXPECT_FALSE(*proxy_chain2 == proxy_chain1);
EXPECT_FALSE(proxy_chain1 == *proxy_chain2);
++proxy_chain2;
}
// Chain set entry for `proxy_chain1`.
EXPECT_FALSE(*proxy_chain2 < proxy_chain1);
EXPECT_FALSE(proxy_chain1 < *proxy_chain2);
EXPECT_TRUE(*proxy_chain2 == proxy_chain1);
EXPECT_TRUE(proxy_chain1 == *proxy_chain2);
++proxy_chain2;
// Chain set entries greater than `proxy_chain1`.
while (proxy_chain2 != proxy_chain_set.end() &&
proxy_chain1 < *proxy_chain2) {
EXPECT_FALSE(*proxy_chain2 < proxy_chain1);
EXPECT_TRUE(proxy_chain1 < *proxy_chain2);
EXPECT_FALSE(*proxy_chain2 == proxy_chain1);
EXPECT_FALSE(proxy_chain1 == *proxy_chain2);
++proxy_chain2;
}
ASSERT_EQ(proxy_chain2, proxy_chain_set.end());
}
}
TEST(ProxyChainTest, Equal) {
ProxyServer proxy_server =
ProxyUriToProxyServer("foo:11", ProxyServer::SCHEME_HTTP);
ProxyChain proxy_chain1 = ProxyChain(proxy_server);
ProxyChain proxy_chain2 = ProxyChain(std::vector<ProxyServer>{proxy_server});
ProxyChain proxy_chain3 =
ProxyChain(ProxyServer::SCHEME_HTTP, HostPortPair("foo", 11));
EXPECT_FALSE(proxy_chain1 < proxy_chain2);
EXPECT_FALSE(proxy_chain2 < proxy_chain1);
EXPECT_TRUE(proxy_chain2 == proxy_chain1);
EXPECT_TRUE(proxy_chain2 == proxy_chain1);
EXPECT_FALSE(proxy_chain2 < proxy_chain3);
EXPECT_FALSE(proxy_chain3 < proxy_chain2);
EXPECT_TRUE(proxy_chain3 == proxy_chain2);
EXPECT_TRUE(proxy_chain3 == proxy_chain2);
}
} // namespace
} // namespace net
|
