586 lines
15 KiB
Plaintext
586 lines
15 KiB
Plaintext
|
//
|
||
|
|
// Copyright (c) 2016-2019 Vinnie Falco (vinnie dot falco at gmail dot com)
|
||
|
|
//
|
||
|
|
// Distributed under the Boost Software License, Version 1.0. (See accompanying
|
||
|
|
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
||
|
|
//
|
||
|
|
// Official repository: https://github.com/boostorg/beast
|
||
|
|
//
|
||
|
|
|
||
|
|
#ifndef BOOST_BEAST_HTTP_IMPL_FIELD_IPP
|
||
|
|
#define BOOST_BEAST_HTTP_IMPL_FIELD_IPP
|
||
|
|
|
||
|
|
#include <boost/beast/http/field.hpp>
|
||
|
|
#include <boost/assert.hpp>
|
||
|
|
#include <algorithm>
|
||
|
|
#include <array>
|
||
|
|
#include <cstring>
|
||
|
|
#include <ostream>
|
||
|
|
|
||
|
|
|
||
|
|
namespace boost {
|
||
|
|
namespace beast {
|
||
|
|
namespace http {
|
||
|
|
|
||
|
|
namespace detail {
|
||
|
|
|
||
|
|
struct field_table
|
||
|
|
{
|
||
|
|
static
|
||
|
|
std::uint32_t
|
||
|
|
get_chars(
|
||
|
|
unsigned char const* p) noexcept
|
||
|
|
{
|
||
|
|
// VFALCO memcpy is endian-dependent
|
||
|
|
//std::memcpy(&v, p, 4);
|
||
|
|
// Compiler should be smart enough to
|
||
|
|
// optimize this down to one instruction.
|
||
|
|
return
|
||
|
|
p[0] |
|
||
|
|
(p[1] << 8) |
|
||
|
|
(p[2] << 16) |
|
||
|
|
(p[3] << 24);
|
||
|
|
}
|
||
|
|
|
||
|
|
using array_type =
|
||
|
|
std::array<string_view, 357>;
|
||
|
|
|
||
|
|
// Strings are converted to lowercase
|
||
|
|
static
|
||
|
|
std::uint32_t
|
||
|
|
digest(string_view s)
|
||
|
|
{
|
||
|
|
std::uint32_t r = 0;
|
||
|
|
std::size_t n = s.size();
|
||
|
|
auto p = reinterpret_cast<
|
||
|
|
unsigned char const*>(s.data());
|
||
|
|
// consume N characters at a time
|
||
|
|
// VFALCO Can we do 8 on 64-bit systems?
|
||
|
|
while(n >= 4)
|
||
|
|
{
|
||
|
|
auto const v = get_chars(p);
|
||
|
|
r = (r * 5 + (
|
||
|
|
v | 0x20202020 )); // convert to lower
|
||
|
|
p += 4;
|
||
|
|
n -= 4;
|
||
|
|
}
|
||
|
|
// handle remaining characters
|
||
|
|
while( n > 0 )
|
||
|
|
{
|
||
|
|
r = r * 5 + ( *p | 0x20 );
|
||
|
|
++p;
|
||
|
|
--n;
|
||
|
|
}
|
||
|
|
return r;
|
||
|
|
}
|
||
|
|
|
||
|
|
// This comparison is case-insensitive, and the
|
||
|
|
// strings must contain only valid http field characters.
|
||
|
|
static
|
||
|
|
bool
|
||
|
|
equals(string_view lhs, string_view rhs)
|
||
|
|
{
|
||
|
|
using Int = std::uint32_t; // VFALCO std::size_t?
|
||
|
|
auto n = lhs.size();
|
||
|
|
if(n != rhs.size())
|
||
|
|
return false;
|
||
|
|
auto p1 = reinterpret_cast<
|
||
|
|
unsigned char const*>(lhs.data());
|
||
|
|
auto p2 = reinterpret_cast<
|
||
|
|
unsigned char const*>(rhs.data());
|
||
|
|
auto constexpr S = sizeof(Int);
|
||
|
|
auto constexpr Mask = static_cast<Int>(
|
||
|
|
0xDFDFDFDFDFDFDFDF & ~Int{0});
|
||
|
|
for(; n >= S; p1 += S, p2 += S, n -= S)
|
||
|
|
{
|
||
|
|
Int const v1 = get_chars(p1);
|
||
|
|
Int const v2 = get_chars(p2);
|
||
|
|
if((v1 ^ v2) & Mask)
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
for(; n; ++p1, ++p2, --n)
|
||
|
|
if(( *p1 ^ *p2) & 0xDF)
|
||
|
|
return false;
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
array_type by_name_;
|
||
|
|
|
||
|
|
enum { N = 5155 };
|
||
|
|
unsigned char map_[ N ][ 2 ] = {};
|
||
|
|
|
||
|
|
/*
|
||
|
|
From:
|
||
|
|
|
||
|
|
https://www.iana.org/assignments/message-headers/message-headers.xhtml
|
||
|
|
*/
|
||
|
|
field_table()
|
||
|
|
: by_name_({{
|
||
|
|
// string constants
|
||
|
|
"<unknown-field>",
|
||
|
|
"A-IM",
|
||
|
|
"Accept",
|
||
|
|
"Accept-Additions",
|
||
|
|
"Accept-Charset",
|
||
|
|
"Accept-Datetime",
|
||
|
|
"Accept-Encoding",
|
||
|
|
"Accept-Features",
|
||
|
|
"Accept-Language",
|
||
|
|
"Accept-Patch",
|
||
|
|
"Accept-Post",
|
||
|
|
"Accept-Ranges",
|
||
|
|
"Access-Control",
|
||
|
|
"Access-Control-Allow-Credentials",
|
||
|
|
"Access-Control-Allow-Headers",
|
||
|
|
"Access-Control-Allow-Methods",
|
||
|
|
"Access-Control-Allow-Origin",
|
||
|
|
"Access-Control-Expose-Headers",
|
||
|
|
"Access-Control-Max-Age",
|
||
|
|
"Access-Control-Request-Headers",
|
||
|
|
"Access-Control-Request-Method",
|
||
|
|
"Age",
|
||
|
|
"Allow",
|
||
|
|
"ALPN",
|
||
|
|
"Also-Control",
|
||
|
|
"Alt-Svc",
|
||
|
|
"Alt-Used",
|
||
|
|
"Alternate-Recipient",
|
||
|
|
"Alternates",
|
||
|
|
"Apparently-To",
|
||
|
|
"Apply-To-Redirect-Ref",
|
||
|
|
"Approved",
|
||
|
|
"Archive",
|
||
|
|
"Archived-At",
|
||
|
|
"Article-Names",
|
||
|
|
"Article-Updates",
|
||
|
|
"Authentication-Control",
|
||
|
|
"Authentication-Info",
|
||
|
|
"Authentication-Results",
|
||
|
|
"Authorization",
|
||
|
|
"Auto-Submitted",
|
||
|
|
"Autoforwarded",
|
||
|
|
"Autosubmitted",
|
||
|
|
"Base",
|
||
|
|
"Bcc",
|
||
|
|
"Body",
|
||
|
|
"C-Ext",
|
||
|
|
"C-Man",
|
||
|
|
"C-Opt",
|
||
|
|
"C-PEP",
|
||
|
|
"C-PEP-Info",
|
||
|
|
"Cache-Control",
|
||
|
|
"CalDAV-Timezones",
|
||
|
|
"Cancel-Key",
|
||
|
|
"Cancel-Lock",
|
||
|
|
"Cc",
|
||
|
|
"Close",
|
||
|
|
"Comments",
|
||
|
|
"Compliance",
|
||
|
|
"Connection",
|
||
|
|
"Content-Alternative",
|
||
|
|
"Content-Base",
|
||
|
|
"Content-Description",
|
||
|
|
"Content-Disposition",
|
||
|
|
"Content-Duration",
|
||
|
|
"Content-Encoding",
|
||
|
|
"Content-features",
|
||
|
|
"Content-ID",
|
||
|
|
"Content-Identifier",
|
||
|
|
"Content-Language",
|
||
|
|
"Content-Length",
|
||
|
|
"Content-Location",
|
||
|
|
"Content-MD5",
|
||
|
|
"Content-Range",
|
||
|
|
"Content-Return",
|
||
|
|
"Content-Script-Type",
|
||
|
|
"Content-Style-Type",
|
||
|
|
"Content-Transfer-Encoding",
|
||
|
|
"Content-Type",
|
||
|
|
"Content-Version",
|
||
|
|
"Control",
|
||
|
|
"Conversion",
|
||
|
|
"Conversion-With-Loss",
|
||
|
|
"Cookie",
|
||
|
|
"Cookie2",
|
||
|
|
"Cost",
|
||
|
|
"DASL",
|
||
|
|
"Date",
|
||
|
|
"Date-Received",
|
||
|
|
"DAV",
|
||
|
|
"Default-Style",
|
||
|
|
"Deferred-Delivery",
|
||
|
|
"Delivery-Date",
|
||
|
|
"Delta-Base",
|
||
|
|
"Depth",
|
||
|
|
"Derived-From",
|
||
|
|
"Destination",
|
||
|
|
"Differential-ID",
|
||
|
|
"Digest",
|
||
|
|
"Discarded-X400-IPMS-Extensions",
|
||
|
|
"Discarded-X400-MTS-Extensions",
|
||
|
|
"Disclose-Recipients",
|
||
|
|
"Disposition-Notification-Options",
|
||
|
|
"Disposition-Notification-To",
|
||
|
|
"Distribution",
|
||
|
|
"DKIM-Signature",
|
||
|
|
"DL-Expansion-History",
|
||
|
|
"Downgraded-Bcc",
|
||
|
|
"Downgraded-Cc",
|
||
|
|
"Downgraded-Disposition-Notification-To",
|
||
|
|
"Downgraded-Final-Recipient",
|
||
|
|
"Downgraded-From",
|
||
|
|
"Downgraded-In-Reply-To",
|
||
|
|
"Downgraded-Mail-From",
|
||
|
|
"Downgraded-Message-Id",
|
||
|
|
"Downgraded-Original-Recipient",
|
||
|
|
"Downgraded-Rcpt-To",
|
||
|
|
"Downgraded-References",
|
||
|
|
"Downgraded-Reply-To",
|
||
|
|
"Downgraded-Resent-Bcc",
|
||
|
|
"Downgraded-Resent-Cc",
|
||
|
|
"Downgraded-Resent-From",
|
||
|
|
"Downgraded-Resent-Reply-To",
|
||
|
|
"Downgraded-Resent-Sender",
|
||
|
|
"Downgraded-Resent-To",
|
||
|
|
"Downgraded-Return-Path",
|
||
|
|
"Downgraded-Sender",
|
||
|
|
"Downgraded-To",
|
||
|
|
"EDIINT-Features",
|
||
|
|
"Eesst-Version",
|
||
|
|
"Encoding",
|
||
|
|
"Encrypted",
|
||
|
|
"Errors-To",
|
||
|
|
"ETag",
|
||
|
|
"Expect",
|
||
|
|
"Expires",
|
||
|
|
"Expiry-Date",
|
||
|
|
"Ext",
|
||
|
|
"Followup-To",
|
||
|
|
"Forwarded",
|
||
|
|
"From",
|
||
|
|
"Generate-Delivery-Report",
|
||
|
|
"GetProfile",
|
||
|
|
"Hobareg",
|
||
|
|
"Host",
|
||
|
|
"HTTP2-Settings",
|
||
|
|
"If",
|
||
|
|
"If-Match",
|
||
|
|
"If-Modified-Since",
|
||
|
|
"If-None-Match",
|
||
|
|
"If-Range",
|
||
|
|
"If-Schedule-Tag-Match",
|
||
|
|
"If-Unmodified-Since",
|
||
|
|
"IM",
|
||
|
|
"Importance",
|
||
|
|
"In-Reply-To",
|
||
|
|
"Incomplete-Copy",
|
||
|
|
"Injection-Date",
|
||
|
|
"Injection-Info",
|
||
|
|
"Jabber-ID",
|
||
|
|
"Keep-Alive",
|
||
|
|
"Keywords",
|
||
|
|
"Label",
|
||
|
|
"Language",
|
||
|
|
"Last-Modified",
|
||
|
|
"Latest-Delivery-Time",
|
||
|
|
"Lines",
|
||
|
|
"Link",
|
||
|
|
"List-Archive",
|
||
|
|
"List-Help",
|
||
|
|
"List-ID",
|
||
|
|
"List-Owner",
|
||
|
|
"List-Post",
|
||
|
|
"List-Subscribe",
|
||
|
|
"List-Unsubscribe",
|
||
|
|
"List-Unsubscribe-Post",
|
||
|
|
"Location",
|
||
|
|
"Lock-Token",
|
||
|
|
"Man",
|
||
|
|
"Max-Forwards",
|
||
|
|
"Memento-Datetime",
|
||
|
|
"Message-Context",
|
||
|
|
"Message-ID",
|
||
|
|
"Message-Type",
|
||
|
|
"Meter",
|
||
|
|
"Method-Check",
|
||
|
|
"Method-Check-Expires",
|
||
|
|
"MIME-Version",
|
||
|
|
"MMHS-Acp127-Message-Identifier",
|
||
|
|
"MMHS-Authorizing-Users",
|
||
|
|
"MMHS-Codress-Message-Indicator",
|
||
|
|
"MMHS-Copy-Precedence",
|
||
|
|
"MMHS-Exempted-Address",
|
||
|
|
"MMHS-Extended-Authorisation-Info",
|
||
|
|
"MMHS-Handling-Instructions",
|
||
|
|
"MMHS-Message-Instructions",
|
||
|
|
"MMHS-Message-Type",
|
||
|
|
"MMHS-Originator-PLAD",
|
||
|
|
"MMHS-Originator-Reference",
|
||
|
|
"MMHS-Other-Recipients-Indicator-CC",
|
||
|
|
"MMHS-Other-Recipients-Indicator-To",
|
||
|
|
"MMHS-Primary-Precedence",
|
||
|
|
"MMHS-Subject-Indicator-Codes",
|
||
|
|
"MT-Priority",
|
||
|
|
"Negotiate",
|
||
|
|
"Newsgroups",
|
||
|
|
"NNTP-Posting-Date",
|
||
|
|
"NNTP-Posting-Host",
|
||
|
|
"Non-Compliance",
|
||
|
|
"Obsoletes",
|
||
|
|
"Opt",
|
||
|
|
"Optional",
|
||
|
|
"Optional-WWW-Authenticate",
|
||
|
|
"Ordering-Type",
|
||
|
|
"Organization",
|
||
|
|
"Origin",
|
||
|
|
"Original-Encoded-Information-Types",
|
||
|
|
"Original-From",
|
||
|
|
"Original-Message-ID",
|
||
|
|
"Original-Recipient",
|
||
|
|
"Original-Sender",
|
||
|
|
"Original-Subject",
|
||
|
|
"Originator-Return-Address",
|
||
|
|
"Overwrite",
|
||
|
|
"P3P",
|
||
|
|
"Path",
|
||
|
|
"PEP",
|
||
|
|
"Pep-Info",
|
||
|
|
"PICS-Label",
|
||
|
|
"Position",
|
||
|
|
"Posting-Version",
|
||
|
|
"Pragma",
|
||
|
|
"Prefer",
|
||
|
|
"Preference-Applied",
|
||
|
|
"Prevent-NonDelivery-Report",
|
||
|
|
"Priority",
|
||
|
|
"Privicon",
|
||
|
|
"ProfileObject",
|
||
|
|
"Protocol",
|
||
|
|
"Protocol-Info",
|
||
|
|
"Protocol-Query",
|
||
|
|
"Protocol-Request",
|
||
|
|
"Proxy-Authenticate",
|
||
|
|
"Proxy-Authentication-Info",
|
||
|
|
"Proxy-Authorization",
|
||
|
|
"Proxy-Connection",
|
||
|
|
"Proxy-Features",
|
||
|
|
"Proxy-Instruction",
|
||
|
|
"Public",
|
||
|
|
"Public-Key-Pins",
|
||
|
|
"Public-Key-Pins-Report-Only",
|
||
|
|
"Range",
|
||
|
|
"Received",
|
||
|
|
"Received-SPF",
|
||
|
|
"Redirect-Ref",
|
||
|
|
"References",
|
||
|
|
"Referer",
|
||
|
|
"Referer-Root",
|
||
|
|
"Relay-Version",
|
||
|
|
"Reply-By",
|
||
|
|
"Reply-To",
|
||
|
|
"Require-Recipient-Valid-Since",
|
||
|
|
"Resent-Bcc",
|
||
|
|
"Resent-Cc",
|
||
|
|
"Resent-Date",
|
||
|
|
"Resent-From",
|
||
|
|
"Resent-Message-ID",
|
||
|
|
"Resent-Reply-To",
|
||
|
|
"Resent-Sender",
|
||
|
|
"Resent-To",
|
||
|
|
"Resolution-Hint",
|
||
|
|
"Resolver-Location",
|
||
|
|
"Retry-After",
|
||
|
|
"Return-Path",
|
||
|
|
"Safe",
|
||
|
|
"Schedule-Reply",
|
||
|
|
"Schedule-Tag",
|
||
|
|
"Sec-Fetch-Dest",
|
||
|
|
"Sec-Fetch-Mode",
|
||
|
|
"Sec-Fetch-Site",
|
||
|
|
"Sec-Fetch-User",
|
||
|
|
"Sec-WebSocket-Accept",
|
||
|
|
"Sec-WebSocket-Extensions",
|
||
|
|
"Sec-WebSocket-Key",
|
||
|
|
"Sec-WebSocket-Protocol",
|
||
|
|
"Sec-WebSocket-Version",
|
||
|
|
"Security-Scheme",
|
||
|
|
"See-Also",
|
||
|
|
"Sender",
|
||
|
|
"Sensitivity",
|
||
|
|
"Server",
|
||
|
|
"Set-Cookie",
|
||
|
|
"Set-Cookie2",
|
||
|
|
"SetProfile",
|
||
|
|
"SIO-Label",
|
||
|
|
"SIO-Label-History",
|
||
|
|
"SLUG",
|
||
|
|
"SoapAction",
|
||
|
|
"Solicitation",
|
||
|
|
"Status-URI",
|
||
|
|
"Strict-Transport-Security",
|
||
|
|
"Subject",
|
||
|
|
"SubOK",
|
||
|
|
"Subst",
|
||
|
|
"Summary",
|
||
|
|
"Supersedes",
|
||
|
|
"Surrogate-Capability",
|
||
|
|
"Surrogate-Control",
|
||
|
|
"TCN",
|
||
|
|
"TE",
|
||
|
|
"Timeout",
|
||
|
|
"Title",
|
||
|
|
"To",
|
||
|
|
"Topic",
|
||
|
|
"Trailer",
|
||
|
|
"Transfer-Encoding",
|
||
|
|
"TTL",
|
||
|
|
"UA-Color",
|
||
|
|
"UA-Media",
|
||
|
|
"UA-Pixels",
|
||
|
|
"UA-Resolution",
|
||
|
|
"UA-Windowpixels",
|
||
|
|
"Upgrade",
|
||
|
|
"Urgency",
|
||
|
|
"URI",
|
||
|
|
"User-Agent",
|
||
|
|
"Variant-Vary",
|
||
|
|
"Vary",
|
||
|
|
"VBR-Info",
|
||
|
|
"Version",
|
||
|
|
"Via",
|
||
|
|
"Want-Digest",
|
||
|
|
"Warning",
|
||
|
|
"WWW-Authenticate",
|
||
|
|
"X-Archived-At",
|
||
|
|
"X-Device-Accept",
|
||
|
|
"X-Device-Accept-Charset",
|
||
|
|
"X-Device-Accept-Encoding",
|
||
|
|
"X-Device-Accept-Language",
|
||
|
|
"X-Device-User-Agent",
|
||
|
|
"X-Frame-Options",
|
||
|
|
"X-Mittente",
|
||
|
|
"X-PGP-Sig",
|
||
|
|
"X-Ricevuta",
|
||
|
|
"X-Riferimento-Message-ID",
|
||
|
|
"X-TipoRicevuta",
|
||
|
|
"X-Trasporto",
|
||
|
|
"X-VerificaSicurezza",
|
||
|
|
"X400-Content-Identifier",
|
||
|
|
"X400-Content-Return",
|
||
|
|
"X400-Content-Type",
|
||
|
|
"X400-MTS-Identifier",
|
||
|
|
"X400-Originator",
|
||
|
|
"X400-Received",
|
||
|
|
"X400-Recipients",
|
||
|
|
"X400-Trace",
|
||
|
|
"Xref"
|
||
|
|
}})
|
||
|
|
{
|
||
|
|
for(std::size_t i = 1, n = 256; i < n; ++i)
|
||
|
|
{
|
||
|
|
auto sv = by_name_[ i ];
|
||
|
|
auto h = digest(sv);
|
||
|
|
auto j = h % N;
|
||
|
|
BOOST_ASSERT(map_[j][0] == 0);
|
||
|
|
map_[j][0] = static_cast<unsigned char>(i);
|
||
|
|
}
|
||
|
|
|
||
|
|
for(std::size_t i = 256, n = by_name_.size(); i < n; ++i)
|
||
|
|
{
|
||
|
|
auto sv = by_name_[i];
|
||
|
|
auto h = digest(sv);
|
||
|
|
auto j = h % N;
|
||
|
|
BOOST_ASSERT(map_[j][1] == 0);
|
||
|
|
map_[j][1] = static_cast<unsigned char>(i - 255);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
field
|
||
|
|
string_to_field(string_view s) const
|
||
|
|
{
|
||
|
|
auto h = digest(s);
|
||
|
|
auto j = h % N;
|
||
|
|
int i = map_[j][0];
|
||
|
|
string_view s2 = by_name_[i];
|
||
|
|
if(i != 0 && equals(s, s2))
|
||
|
|
return static_cast<field>(i);
|
||
|
|
i = map_[j][1];
|
||
|
|
if(i == 0)
|
||
|
|
return field::unknown;
|
||
|
|
i += 255;
|
||
|
|
s2 = by_name_[i];
|
||
|
|
|
||
|
|
if(equals(s, s2))
|
||
|
|
return static_cast<field>(i);
|
||
|
|
return field::unknown;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Deprecated
|
||
|
|
//
|
||
|
|
|
||
|
|
using const_iterator =
|
||
|
|
array_type::const_iterator;
|
||
|
|
|
||
|
|
std::size_t
|
||
|
|
size() const
|
||
|
|
{
|
||
|
|
return by_name_.size();
|
||
|
|
}
|
||
|
|
|
||
|
|
const_iterator
|
||
|
|
begin() const
|
||
|
|
{
|
||
|
|
return by_name_.begin();
|
||
|
|
}
|
||
|
|
|
||
|
|
const_iterator
|
||
|
|
end() const
|
||
|
|
{
|
||
|
|
return by_name_.end();
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
BOOST_BEAST_DECL
|
||
|
|
field_table const&
|
||
|
|
get_field_table()
|
||
|
|
{
|
||
|
|
static field_table const tab;
|
||
|
|
return tab;
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOST_BEAST_DECL
|
||
|
|
string_view
|
||
|
|
to_string(field f)
|
||
|
|
{
|
||
|
|
auto const& v = get_field_table();
|
||
|
|
BOOST_ASSERT(static_cast<unsigned>(f) < v.size());
|
||
|
|
return v.begin()[static_cast<unsigned>(f)];
|
||
|
|
}
|
||
|
|
|
||
|
|
} // detail
|
||
|
|
|
||
|
|
string_view
|
||
|
|
to_string(field f)
|
||
|
|
{
|
||
|
|
return detail::to_string(f);
|
||
|
|
}
|
||
|
|
|
||
|
|
field
|
||
|
|
string_to_field(string_view s)
|
||
|
|
{
|
||
|
|
return detail::get_field_table().string_to_field(s);
|
||
|
|
}
|
||
|
|
|
||
|
|
std::ostream&
|
||
|
|
operator<<(std::ostream& os, field f)
|
||
|
|
{
|
||
|
|
return os << to_string(f);
|
||
|
|
}
|
||
|
|
|
||
|
|
} // http
|
||
|
|
} // beast
|
||
|
|
} // boost
|
||
|
|
|
||
|
|
#endif
|