1/*
2 * nghttp2 - HTTP/2 C Library
3 *
4 * Copyright (c) 2013 Tatsuhiro Tsujikawa
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining
7 * a copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sublicense, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be
15 * included in all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 */
25#include "shrpx_downstream_test.h"
26
27#include <iostream>
28
29#include <CUnit/CUnit.h>
30
31#include "shrpx_downstream.h"
32
33namespace shrpx {
34
35void test_downstream_field_store_append_last_header(void) {
36  BlockAllocator balloc(16, 16);
37  FieldStore fs(balloc, 0);
38  fs.alloc_add_header_name(StringRef::from_lit("alpha"));
39  auto bravo = StringRef::from_lit("BRAVO");
40  fs.append_last_header_key(bravo.c_str(), bravo.size());
41  // Add more characters so that relloc occurs
42  auto golf = StringRef::from_lit("golF0123456789");
43  fs.append_last_header_key(golf.c_str(), golf.size());
44
45  auto charlie = StringRef::from_lit("Charlie");
46  fs.append_last_header_value(charlie.c_str(), charlie.size());
47  auto delta = StringRef::from_lit("deltA");
48  fs.append_last_header_value(delta.c_str(), delta.size());
49  // Add more characters so that relloc occurs
50  auto echo = StringRef::from_lit("echo0123456789");
51  fs.append_last_header_value(echo.c_str(), echo.size());
52
53  fs.add_header_token(StringRef::from_lit("echo"),
54                      StringRef::from_lit("foxtrot"), false, -1);
55
56  auto ans =
57      HeaderRefs{{StringRef::from_lit("alphabravogolf0123456789"),
58                  StringRef::from_lit("CharliedeltAecho0123456789")},
59                 {StringRef::from_lit("echo"), StringRef::from_lit("foxtrot")}};
60  CU_ASSERT(ans == fs.headers());
61}
62
63void test_downstream_field_store_header(void) {
64  BlockAllocator balloc(16, 16);
65  FieldStore fs(balloc, 0);
66  fs.add_header_token(StringRef::from_lit("alpha"), StringRef::from_lit("0"),
67                      false, -1);
68  fs.add_header_token(StringRef::from_lit(":authority"),
69                      StringRef::from_lit("1"), false, http2::HD__AUTHORITY);
70  fs.add_header_token(StringRef::from_lit("content-length"),
71                      StringRef::from_lit("2"), false,
72                      http2::HD_CONTENT_LENGTH);
73
74  // By token
75  CU_ASSERT(HeaderRef(StringRef{":authority"}, StringRef{"1"}) ==
76            *fs.header(http2::HD__AUTHORITY));
77  CU_ASSERT(nullptr == fs.header(http2::HD__METHOD));
78
79  // By name
80  CU_ASSERT(HeaderRef(StringRef{"alpha"}, StringRef{"0"}) ==
81            *fs.header(StringRef::from_lit("alpha")));
82  CU_ASSERT(nullptr == fs.header(StringRef::from_lit("bravo")));
83}
84
85void test_downstream_crumble_request_cookie(void) {
86  Downstream d(nullptr, nullptr, 0);
87  auto &req = d.request();
88  req.fs.add_header_token(StringRef::from_lit(":method"),
89                          StringRef::from_lit("get"), false, -1);
90  req.fs.add_header_token(StringRef::from_lit(":path"),
91                          StringRef::from_lit("/"), false, -1);
92  req.fs.add_header_token(StringRef::from_lit("cookie"),
93                          StringRef::from_lit("alpha; bravo; ; ;; charlie;;"),
94                          true, http2::HD_COOKIE);
95  req.fs.add_header_token(StringRef::from_lit("cookie"),
96                          StringRef::from_lit(";delta"), false,
97                          http2::HD_COOKIE);
98  req.fs.add_header_token(StringRef::from_lit("cookie"),
99                          StringRef::from_lit("echo"), false, http2::HD_COOKIE);
100
101  std::vector<nghttp2_nv> nva;
102  d.crumble_request_cookie(nva);
103
104  auto num_cookies = d.count_crumble_request_cookie();
105
106  CU_ASSERT(5 == nva.size());
107  CU_ASSERT(5 == num_cookies);
108
109  HeaderRefs cookies;
110  std::transform(std::begin(nva), std::end(nva), std::back_inserter(cookies),
111                 [](const nghttp2_nv &nv) {
112                   return HeaderRef(StringRef{nv.name, nv.namelen},
113                                    StringRef{nv.value, nv.valuelen},
114                                    nv.flags & NGHTTP2_NV_FLAG_NO_INDEX);
115                 });
116
117  HeaderRefs ans = {
118      {StringRef::from_lit("cookie"), StringRef::from_lit("alpha")},
119      {StringRef::from_lit("cookie"), StringRef::from_lit("bravo")},
120      {StringRef::from_lit("cookie"), StringRef::from_lit("charlie")},
121      {StringRef::from_lit("cookie"), StringRef::from_lit("delta")},
122      {StringRef::from_lit("cookie"), StringRef::from_lit("echo")}};
123
124  CU_ASSERT(ans == cookies);
125  CU_ASSERT(cookies[0].no_index);
126  CU_ASSERT(cookies[1].no_index);
127  CU_ASSERT(cookies[2].no_index);
128}
129
130void test_downstream_assemble_request_cookie(void) {
131  Downstream d(nullptr, nullptr, 0);
132  auto &req = d.request();
133
134  req.fs.add_header_token(StringRef::from_lit(":method"),
135                          StringRef::from_lit("get"), false, -1);
136  req.fs.add_header_token(StringRef::from_lit(":path"),
137                          StringRef::from_lit("/"), false, -1);
138  req.fs.add_header_token(StringRef::from_lit("cookie"),
139                          StringRef::from_lit("alpha"), false,
140                          http2::HD_COOKIE);
141  req.fs.add_header_token(StringRef::from_lit("cookie"),
142                          StringRef::from_lit("bravo;"), false,
143                          http2::HD_COOKIE);
144  req.fs.add_header_token(StringRef::from_lit("cookie"),
145                          StringRef::from_lit("charlie; "), false,
146                          http2::HD_COOKIE);
147  req.fs.add_header_token(StringRef::from_lit("cookie"),
148                          StringRef::from_lit("delta;;"), false,
149                          http2::HD_COOKIE);
150  CU_ASSERT("alpha; bravo; charlie; delta" == d.assemble_request_cookie());
151}
152
153void test_downstream_rewrite_location_response_header(void) {
154  Downstream d(nullptr, nullptr, 0);
155  auto &req = d.request();
156  auto &resp = d.response();
157  d.set_request_downstream_host(StringRef::from_lit("localhost2"));
158  req.authority = StringRef::from_lit("localhost:8443");
159  resp.fs.add_header_token(StringRef::from_lit("location"),
160                           StringRef::from_lit("http://localhost2:3000/"),
161                           false, http2::HD_LOCATION);
162  d.rewrite_location_response_header(StringRef::from_lit("https"));
163  auto location = resp.fs.header(http2::HD_LOCATION);
164  CU_ASSERT("https://localhost:8443/" == (*location).value);
165}
166
167void test_downstream_supports_non_final_response(void) {
168  Downstream d(nullptr, nullptr, 0);
169  auto &req = d.request();
170
171  req.http_major = 3;
172  req.http_minor = 0;
173
174  CU_ASSERT(d.supports_non_final_response());
175
176  req.http_major = 2;
177  req.http_minor = 0;
178
179  CU_ASSERT(d.supports_non_final_response());
180
181  req.http_major = 1;
182  req.http_minor = 1;
183
184  CU_ASSERT(d.supports_non_final_response());
185
186  req.http_major = 1;
187  req.http_minor = 0;
188
189  CU_ASSERT(!d.supports_non_final_response());
190
191  req.http_major = 0;
192  req.http_minor = 9;
193
194  CU_ASSERT(!d.supports_non_final_response());
195}
196
197void test_downstream_find_affinity_cookie(void) {
198  Downstream d(nullptr, nullptr, 0);
199
200  auto &req = d.request();
201  req.fs.add_header_token(StringRef::from_lit("cookie"), StringRef{}, false,
202                          http2::HD_COOKIE);
203  req.fs.add_header_token(StringRef::from_lit("cookie"),
204                          StringRef::from_lit("a=b;;c=d"), false,
205                          http2::HD_COOKIE);
206  req.fs.add_header_token(StringRef::from_lit("content-length"),
207                          StringRef::from_lit("599"), false,
208                          http2::HD_CONTENT_LENGTH);
209  req.fs.add_header_token(StringRef::from_lit("cookie"),
210                          StringRef::from_lit("lb=deadbeef;LB=f1f2f3f4"), false,
211                          http2::HD_COOKIE);
212  req.fs.add_header_token(StringRef::from_lit("cookie"),
213                          StringRef::from_lit("short=e1e2e3e"), false,
214                          http2::HD_COOKIE);
215
216  uint32_t aff;
217
218  aff = d.find_affinity_cookie(StringRef::from_lit("lb"));
219
220  CU_ASSERT(0xdeadbeef == aff);
221
222  aff = d.find_affinity_cookie(StringRef::from_lit("LB"));
223
224  CU_ASSERT(0xf1f2f3f4 == aff);
225
226  aff = d.find_affinity_cookie(StringRef::from_lit("short"));
227
228  CU_ASSERT(0 == aff);
229}
230
231} // namespace shrpx
232