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construct/include/ircd/rfc3986.h

106 lines
3.4 KiB
C++

// Matrix Construct
//
// Copyright (C) Matrix Construct Developers, Authors & Contributors
// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice is present in all copies. The
// full license for this software is available in the LICENSE file.
#pragma once
#define HAVE_IRCD_RFC3986_H
/// Universal Resource Indicator (URI) grammars & tools
namespace ircd::rfc3986
{
IRCD_EXCEPTION(ircd::error, error)
IRCD_EXCEPTION(error, coding_error)
IRCD_EXCEPTION(coding_error, encoding_error)
IRCD_EXCEPTION(coding_error, decoding_error)
struct parser;
struct encoder extern const encoder;
struct decoder extern const decoder;
constexpr size_t HOSTNAME_MAX {rfc1035::LABEL_MAX};
constexpr size_t DOMAIN_MAX {rfc1035::NAME_MAX};
// urlencoding suite
string_view encode(const mutable_buffer &, const string_view &url);
string_view encode(const mutable_buffer &, const json::members &);
string_view decode(const mutable_buffer &, const string_view &url);
// extractor suite
uint16_t port(const string_view &remote); // get portnum from valid remote
string_view host(const string_view &remote); // get host without portnum
}
namespace ircd
{
namespace url = rfc3986;
}
struct ircd::rfc3986::parser
{
using it = const char *;
using unused = boost::spirit::unused_type;
template<class R = unused>
using rule = boost::spirit::qi::rule<it, R, unused, unused, unused>;
// note in all examples that portnums are always optional
static const rule<uint16_t> port;
static const rule<> ip4_octet;
static const rule<> ip4_address; // 1.2.3.4
static const rule<> ip4_literal; // 1.2.3.4
static const rule<> ip4_remote; // 1.2.3.4:12345
static const rule<> ip6_char;
static const rule<> ip6_h16;
static const rule<> ip6_piece;
static const rule<> ip6_ipiece;
static const rule<> ip6_ls32;
static const rule<> ip6_addr[9];
static const rule<> ip6_address; // ::1
static const rule<> ip6_literal; // [::1]
static const rule<> ip6_remote; // [::1]:12345
static const rule<> ip_address; // 1.2.3.4 | ::1
static const rule<> ip_literal; // 1.2.3.4 | [::1]
static const rule<> ip_remote; // 1.2.3.4:12345 | [::1]:12345
static const rule<> hostname; // foo
static const rule<> domain; // foo.com
static const rule<> hostport; // foo.bar.com:12345
static const rule<> host; // 1.2.3.4 | ::1 | foo.com
static const rule<> host_literal; // 1.2.3.4 | [::1] | foo.com
static const rule<> remote; // 1.2.3.4:12345 | [::1]:12345 | foo.com:12345
};
// Validator suite
namespace ircd::rfc3986
{
// Variable rule...
void valid(const parser::rule<> &, const string_view &);
bool valid(std::nothrow_t, const parser::rule<> &, const string_view &);
// convenience: parser::hostname
void valid_hostname(const string_view &);
bool valid_hostname(std::nothrow_t, const string_view &);
// convenience: parser::host
void valid_host(const string_view &);
bool valid_host(std::nothrow_t, const string_view &);
// convenience: parser::domainname
void valid_domain(const string_view &);
bool valid_domain(std::nothrow_t, const string_view &);
// convenience: parser::remote
void valid_remote(const string_view &);
bool valid_remote(std::nothrow_t, const string_view &);
}