src/http/RegisteredHeaders.cc

   1 /*
   2  * Copyright (C) 1996-2015 The Squid Software Foundation and contributors
   3  *
   4  * Squid software is distributed under GPLv2+ license and includes
   5  * contributions from numerous individuals and organizations.
   6  * Please see the COPYING and CONTRIBUTORS files for details.
   7  */
   8
   9 #include "squid.h"
  10 #include "RegisteredHeaders.h"
  11
  12 #include <ostream>
  13
  14 /*
  15  * A table with major attributes for every known field.
  16  *
  17  * Invariant on this table:
  18  * for each index in headerTable, (int)headerTable[index] = index
  19  */
  20 const HeaderTableRecord headerTable[] = {
  21     {"Accept", Http::HdrType::ACCEPT, field_type::ftStr},
  22     {"Accept-Charset", Http::HdrType::ACCEPT_CHARSET, field_type::ftStr},
  23     {"Accept-Encoding", Http::HdrType::ACCEPT_ENCODING, field_type::ftStr},
  24     {"Accept-Language", Http::HdrType::ACCEPT_LANGUAGE, field_type::ftStr},
  25     {"Accept-Ranges", Http::HdrType::ACCEPT_RANGES, field_type::ftStr},
  26     {"Age", Http::HdrType::AGE, field_type::ftInt},
  27     {"Allow", Http::HdrType::ALLOW, field_type::ftStr},
  28     {"Alternate-Protocol", Http::HdrType::ALTERNATE_PROTOCOL, field_type::ftStr},
  29     {"Authentication-Info", Http::HdrType::AUTHENTICATION_INFO, field_type::ftStr},
  30     {"Authorization", Http::HdrType::AUTHORIZATION, field_type::ftStr},    /* for now */
  31     {"Cache-Control", Http::HdrType::CACHE_CONTROL, field_type::ftPCc},
  32     {"Connection", Http::HdrType::CONNECTION, field_type::ftStr},
  33     {"Content-Base", Http::HdrType::CONTENT_BASE, field_type::ftStr},
  34     {"Content-Disposition", Http::HdrType::CONTENT_DISPOSITION, field_type::ftStr},  /* for now */
  35     {"Content-Encoding", Http::HdrType::CONTENT_ENCODING, field_type::ftStr},
  36     {"Content-Language", Http::HdrType::CONTENT_LANGUAGE, field_type::ftStr},
  37     {"Content-Length", Http::HdrType::CONTENT_LENGTH, field_type::ftInt64},
  38     {"Content-Location", Http::HdrType::CONTENT_LOCATION, field_type::ftStr},
  39     {"Content-MD5", Http::HdrType::CONTENT_MD5, field_type::ftStr},    /* for now */
  40     {"Content-Range", Http::HdrType::CONTENT_RANGE, field_type::ftPContRange},
  41     {"Content-Type", Http::HdrType::CONTENT_TYPE, field_type::ftStr},
  42     {"Cookie", Http::HdrType::COOKIE, field_type::ftStr},
  43     {"Cookie2", Http::HdrType::COOKIE2, field_type::ftStr},
  44     {"Date", Http::HdrType::DATE, field_type::ftDate_1123},
  45     {"ETag", Http::HdrType::ETAG, field_type::ftETag},
  46     {"Expect", Http::HdrType::EXPECT, field_type::ftStr},
  47     {"Expires", Http::HdrType::EXPIRES, field_type::ftDate_1123},
  48     {"Forwarded", Http::HdrType::FORWARDED, field_type::ftStr},
  49     {"From", Http::HdrType::FROM, field_type::ftStr},
  50     {"Host", Http::HdrType::HOST, field_type::ftStr},
  51     {"HTTP2-Settings", Http::HdrType::HTTP2_SETTINGS, field_type::ftStr}, /* for now */
  52     {"If-Match", Http::HdrType::IF_MATCH, field_type::ftStr},  /* for now */
  53     {"If-Modified-Since", Http::HdrType::IF_MODIFIED_SINCE, field_type::ftDate_1123},
  54     {"If-None-Match", Http::HdrType::IF_NONE_MATCH, field_type::ftStr},    /* for now */
  55     {"If-Range", Http::HdrType::IF_RANGE, field_type::ftDate_1123_or_ETag},
  56     {"If-Unmodified-Since", Http::HdrType::IF_UNMODIFIED_SINCE, field_type::ftDate_1123},
  57     {"Keep-Alive", Http::HdrType::KEEP_ALIVE, field_type::ftStr},
  58     {"Key", Http::HdrType::KEY, field_type::ftStr},
  59     {"Last-Modified", Http::HdrType::LAST_MODIFIED, field_type::ftDate_1123},
  60     {"Link", Http::HdrType::LINK, field_type::ftStr},
  61     {"Location", Http::HdrType::LOCATION, field_type::ftStr},
  62     {"Max-Forwards", Http::HdrType::MAX_FORWARDS, field_type::ftInt64},
  63     {"Mime-Version", Http::HdrType::MIME_VERSION, field_type::ftStr},  /* for now */
  64     {"Negotiate", Http::HdrType::NEGOTIATE, field_type::ftStr},
  65     {"Origin", Http::HdrType::ORIGIN, field_type::ftStr},
  66     {"Pragma", Http::HdrType::PRAGMA, field_type::ftStr},
  67     {"Proxy-Authenticate", Http::HdrType::PROXY_AUTHENTICATE, field_type::ftStr},
  68     {"Proxy-Authentication-Info", Http::HdrType::PROXY_AUTHENTICATION_INFO, field_type::ftStr},
  69     {"Proxy-Authorization", Http::HdrType::PROXY_AUTHORIZATION, field_type::ftStr},
  70     {"Proxy-Connection", Http::HdrType::PROXY_CONNECTION, field_type::ftStr},
  71     {"Proxy-support", Http::HdrType::PROXY_SUPPORT, field_type::ftStr},
  72     {"Public", Http::HdrType::PUBLIC, field_type::ftStr},
  73     {"Range", Http::HdrType::RANGE, field_type::ftPRange},
  74     {"Referer", Http::HdrType::REFERER, field_type::ftStr},
  75     {"Request-Range", Http::HdrType::REQUEST_RANGE, field_type::ftPRange}, /* usually matches Http::HdrType::RANGE */
  76     {"Retry-Afield_type::fter", Http::HdrType::RETRY_AFTER, field_type::ftStr},    /* for now (field_type::ftDate_1123 or field_type::ftInt!} */
  77     {"Server", Http::HdrType::SERVER, field_type::ftStr},
  78     {"Set-Cookie", Http::HdrType::SET_COOKIE, field_type::ftStr},
  79     {"Set-Cookie2", Http::HdrType::SET_COOKIE2, field_type::ftStr},
  80     {"TE", Http::HdrType::TE, field_type::ftStr},
  81     {"Title", Http::HdrType::TITLE, field_type::ftStr},
  82     {"Trailer", Http::HdrType::TRAILER, field_type::ftStr},
  83     {"Transfer-Encoding", Http::HdrType::TRANSFER_ENCODING, field_type::ftStr},
  84     {"Translate", Http::HdrType::TRANSLATE, field_type::ftStr},    /* for now. may need to crop */
  85     {"Unless-Modified-Since", Http::HdrType::UNLESS_MODIFIED_SINCE, field_type::ftStr},  /* for now ignore. may need to crop */
  86     {"Upgrade", Http::HdrType::UPGRADE, field_type::ftStr},    /* for now */
  87     {"User-Agent", Http::HdrType::USER_AGENT, field_type::ftStr},
  88     {"Vary", Http::HdrType::VARY, field_type::ftStr},  /* for now */
  89     {"Via", Http::HdrType::VIA, field_type::ftStr},    /* for now */
  90     {"Warning", Http::HdrType::WARNING, field_type::ftStr},    /* for now */
  91     {"WWW-Authenticate", Http::HdrType::WWW_AUTHENTICATE, field_type::ftStr},
  92     {"X-Cache", Http::HdrType::X_CACHE, field_type::ftStr},
  93     {"X-Cache-Lookup", Http::HdrType::X_CACHE_LOOKUP, field_type::ftStr},
  94     {"X-Forwarded-For", Http::HdrType::X_FORWARDED_FOR, field_type::ftStr},
  95     {"X-Request-URI", Http::HdrType::X_REQUEST_URI, field_type::ftStr},
  96     {"X-Squid-Error", Http::HdrType::X_SQUID_ERROR, field_type::ftStr},
  97 #if X_ACCELERATOR_VARY
  98     {"X-Accelerator-Vary", Http::HdrType::HDR_X_ACCELERATOR_VARY, field_type::ftStr},
  99 #endif
 100 #if USE_ADAPTATION
 101     {"X-Next-Services", Http::HdrType::X_NEXT_SERVICES, field_type::ftStr},
 102 #endif
 103     {"Surrogate-Capability", Http::HdrType::SURROGATE_CAPABILITY, field_type::ftStr},
 104     {"Surrogate-Control", Http::HdrType::SURROGATE_CONTROL, field_type::ftPSc},
 105     {"Front-End-Https", Http::HdrType::FRONT_END_HTTPS, field_type::ftStr},
 106     {"FTP-Command", Http::HdrType::FTP_COMMAND, field_type::ftStr},
 107     {"FTP-Arguments", Http::HdrType::FTP_ARGUMENTS, field_type::ftStr},
 108     {"FTP-Pre", Http::HdrType::FTP_PRE, field_type::ftStr},
 109     {"FTP-Status", Http::HdrType::FTP_STATUS, field_type::ftInt},
 110     {"FTP-Reason", Http::HdrType::FTP_REASON, field_type::ftStr},
 111     {"Other:", Http::HdrType::OTHER, field_type::ftStr},    /* ':' will not allow matches */
 112     {nullptr, Http::HdrType::ENUM_END, field_type::ftInvalid},    /* end of table */
 113     {nullptr, Http::HdrType::BAD_HDR, field_type::ftInvalid}
 114 };
 115
 116 const LookupTable<Http::HdrType, HeaderTableRecord> HeaderLookupTable(Http::HdrType::BAD_HDR, headerTable);
 117
 118 extern std::ostream &
 119 operator << (std::ostream &s , Http::HdrType id)
 120 {
 121     // id is guaranteed to be valid by strong type-safety
 122     s << HeaderById(id).name << '(' << static_cast<int>(id) << ')';
 123     return s;
 124 }
 125
 126 const HeaderTableRecord&
 127 HeaderById(Http::HdrType id)
 128 {
 129     return headerTable[static_cast<int>(id)];
 130 }