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Copy pathhpack_static_table.hpp
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117 lines (115 loc) · 4.3 KB
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// Appendix data from RFC 7541, Copyright (c) 2015 IETF Trust and the
// persons identified as authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
#if !defined(HTTPSERVER_COMPILATION)
#error "hpack_static_table.hpp is internal to libhttpserver"
#endif
#ifndef SRC_HTTPSERVER_DETAIL_HPACK_STATIC_TABLE_HPP_
#define SRC_HTTPSERVER_DETAIL_HPACK_STATIC_TABLE_HPP_
#include <array>
#include <cstdint>
#include <string_view>
namespace httpserver::detail {
struct hpack_static_entry {
std::string_view name;
std::string_view value;
};
// Process-lifetime octet views; one-based indexes above 61 belong to the
// connection table, so static lookup returns nullptr rather than rejecting.
inline constexpr std::array<hpack_static_entry, 61> hpack_static_entries = {{
{":authority", ""},
{":method", "GET"},
{":method", "POST"},
{":path", "/"},
{":path", "/index.html"},
{":scheme", "http"},
{":scheme", "https"},
{":status", "200"},
{":status", "204"},
{":status", "206"},
{":status", "304"},
{":status", "400"},
{":status", "404"},
{":status", "500"},
{"accept-charset", ""},
{"accept-encoding", "gzip, deflate"},
{"accept-language", ""},
{"accept-ranges", ""},
{"accept", ""},
{"access-control-allow-origin", ""},
{"age", ""},
{"allow", ""},
{"authorization", ""},
{"cache-control", ""},
{"content-disposition", ""},
{"content-encoding", ""},
{"content-language", ""},
{"content-length", ""},
{"content-location", ""},
{"content-range", ""},
{"content-type", ""},
{"cookie", ""},
{"date", ""},
{"etag", ""},
{"expect", ""},
{"expires", ""},
{"from", ""},
{"host", ""},
{"if-match", ""},
{"if-modified-since", ""},
{"if-none-match", ""},
{"if-range", ""},
{"if-unmodified-since", ""},
{"last-modified", ""},
{"link", ""},
{"location", ""},
{"max-forwards", ""},
{"proxy-authenticate", ""},
{"proxy-authorization", ""},
{"range", ""},
{"referer", ""},
{"refresh", ""},
{"retry-after", ""},
{"server", ""},
{"set-cookie", ""},
{"strict-transport-security", ""},
{"transfer-encoding", ""},
{"user-agent", ""},
{"vary", ""},
{"via", ""},
{"www-authenticate", ""},
}};
constexpr const hpack_static_entry* hpack_static_lookup(std::uint64_t index) noexcept {
return index >= 1 && index <= hpack_static_entries.size() ? &hpack_static_entries[index - 1] : nullptr;
}
constexpr std::uint64_t hpack_static_find_name(std::string_view name) noexcept {
for (std::size_t i = 0; i < hpack_static_entries.size(); ++i) {
if (hpack_static_entries[i].name == name) return i + 1;
}
return 0;
}
constexpr std::uint64_t hpack_static_find(std::string_view name, std::string_view value) noexcept {
for (std::size_t i = 0; i < hpack_static_entries.size(); ++i) {
if (hpack_static_entries[i].name == name && hpack_static_entries[i].value == value) return i + 1;
}
return 0;
}
} // namespace httpserver::detail
#endif // SRC_HTTPSERVER_DETAIL_HPACK_STATIC_TABLE_HPP_