src/shrpx_downstream_test.cc

   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
  33 namespace shrpx {
  34
  35 void 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
  63 void 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
  85 void 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
 130 void 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
 153 void 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
 167 void test_downstream_supports_non_final_response(void) {
 168   Downstream d(nullptr, nullptr, 0);
 169   auto &req = d.request();
 170
 171   req.http_major = 2;
 172   req.http_minor = 0;
 173
 174   CU_ASSERT(d.supports_non_final_response());
 175
 176   req.http_major = 1;
 177   req.http_minor = 1;
 178
 179   CU_ASSERT(d.supports_non_final_response());
 180
 181   req.http_major = 1;
 182   req.http_minor = 0;
 183
 184   CU_ASSERT(!d.supports_non_final_response());
 185
 186   req.http_major = 0;
 187   req.http_minor = 9;
 188
 189   CU_ASSERT(!d.supports_non_final_response());
 190 }
 191
 192 void test_downstream_find_affinity_cookie(void) {
 193   Downstream d(nullptr, nullptr, 0);
 194
 195   auto &req = d.request();
 196   req.fs.add_header_token(StringRef::from_lit("cookie"), StringRef{}, false,
 197                           http2::HD_COOKIE);
 198   req.fs.add_header_token(StringRef::from_lit("cookie"),
 199                           StringRef::from_lit("a=b;;c=d"), false,
 200                           http2::HD_COOKIE);
 201   req.fs.add_header_token(StringRef::from_lit("content-length"),
 202                           StringRef::from_lit("599"), false,
 203                           http2::HD_CONTENT_LENGTH);
 204   req.fs.add_header_token(StringRef::from_lit("cookie"),
 205                           StringRef::from_lit("lb=deadbeef;LB=f1f2f3f4"), false,
 206                           http2::HD_COOKIE);
 207   req.fs.add_header_token(StringRef::from_lit("cookie"),
 208                           StringRef::from_lit("short=e1e2e3e"), false,
 209                           http2::HD_COOKIE);
 210
 211   uint32_t aff;
 212
 213   aff = d.find_affinity_cookie(StringRef::from_lit("lb"));
 214
 215   CU_ASSERT(0xdeadbeef == aff);
 216
 217   aff = d.find_affinity_cookie(StringRef::from_lit("LB"));
 218
 219   CU_ASSERT(0xf1f2f3f4 == aff);
 220
 221   aff = d.find_affinity_cookie(StringRef::from_lit("short"));
 222
 223   CU_ASSERT(0 == aff);
 224 }
 225
 226 } // namespace shrpx