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ircd::rfc3986: Complete the URI grammars as specified.

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This commit is contained in:
Jason Volk 2019-06-13 20:06:05 -06:00
parent 992ed22846
commit 0355391e34
2 changed files with 223 additions and 2 deletions
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31
include/ircd/rfc3986.h
View file

@ -49,8 +49,26 @@ struct ircd::rfc3986::parser
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<> sub_delims;
static const rule<> gen_delims;
static const rule<> reserved;
static const rule<> unreserved;
static const rule<> pct_encoded;
static const rule<> pchar;
static const rule<> query;
static const rule<> fragment;
static const rule<> segment;
static const rule<> segment_nz;
static const rule<> segment_nz_nc;
static const rule<> path_rootless;
static const rule<> path_noscheme;
static const rule<> path_absolute;
static const rule<> path_abempty;
static const rule<> path;
static const rule<> reg_name;
static const rule<> userinfo;
static const rule<uint16_t> port; // note in examples portnums are optional
static const rule<> ip4_octet;
static const rule<> ip4_address; // 1.2.3.4
@ -79,6 +97,15 @@ struct ircd::rfc3986::parser
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
static const rule<> authority;
static const rule<> scheme;
static const rule<> hier_part;
static const rule<> relative_part;
static const rule<> relative_ref;
static const rule<> absolute_uri;
static const rule<> uri;
static const rule<> uri_ref; // uri | relative_ref
};
// Validator suite

194
ircd/rfc3986.cc
View file

@ -68,6 +68,136 @@ struct ircd::rfc3986::decoder
}
const ircd::rfc3986::decoder;
decltype(ircd::rfc3986::parser::sub_delims)
ircd::rfc3986::parser::sub_delims
{
lit('!') | lit('$') | lit('&') | lit('\'') |
lit('(') | lit(')') | lit('*') | lit('+') |
lit(',') | lit(';') | lit('=')
,"sub-delims"
};
decltype(ircd::rfc3986::parser::gen_delims)
ircd::rfc3986::parser::gen_delims
{
lit(':') | lit('/') | lit('?') | lit('#') |
lit('[') | lit(']') | lit('@')
,"gen-delims"
};
decltype(ircd::rfc3986::parser::unreserved)
ircd::rfc3986::parser::unreserved
{
ascii::alpha | ascii::digit |
lit('-') | lit('.') | lit('_') | lit('~')
,"reserved"
};
decltype(ircd::rfc3986::parser::reserved)
ircd::rfc3986::parser::reserved
{
gen_delims | sub_delims
,"reserved"
};
decltype(ircd::rfc3986::parser::pct_encoded)
ircd::rfc3986::parser::pct_encoded
{
lit('%') >> repeat(2)[ascii::xdigit]
,"pct-encoded"
};
decltype(ircd::rfc3986::parser::pchar)
ircd::rfc3986::parser::pchar
{
unreserved | pct_encoded | sub_delims | lit(':') | lit('@')
,"pchar"
};
decltype(ircd::rfc3986::parser::query)
ircd::rfc3986::parser::query
{
*(pchar | lit('/') | lit('?'))
,"query"
};
decltype(ircd::rfc3986::parser::fragment)
ircd::rfc3986::parser::fragment
{
*(pchar | lit('/') | lit('?'))
,"fragment"
};
decltype(ircd::rfc3986::parser::segment_nz_nc)
ircd::rfc3986::parser::segment_nz_nc
{
+(unreserved | pct_encoded | sub_delims | lit('@'))
,"segment-nz-nc"
};
decltype(ircd::rfc3986::parser::segment_nz)
ircd::rfc3986::parser::segment_nz
{
+pchar
,"segment-nz"
};
decltype(ircd::rfc3986::parser::segment)
ircd::rfc3986::parser::segment
{
*pchar
,"segment"
};
decltype(ircd::rfc3986::parser::path_abempty)
ircd::rfc3986::parser::path_abempty
{
*(lit('/') >> segment)
,"path-abempty"
};
decltype(ircd::rfc3986::parser::path_noscheme)
ircd::rfc3986::parser::path_noscheme
{
segment_nz_nc >> *(lit('/') >> segment)
,"path-noscheme"
};
decltype(ircd::rfc3986::parser::path_rootless)
ircd::rfc3986::parser::path_rootless
{
segment_nz >> *(lit('/') >> segment)
,"path-rootless"
};
decltype(ircd::rfc3986::parser::path_absolute)
ircd::rfc3986::parser::path_absolute
{
lit('/') >> -(path_rootless)
,"path-absolute"
};
decltype(ircd::rfc3986::parser::path)
ircd::rfc3986::parser::path
{
-(path_abempty | path_absolute | path_noscheme | path_rootless)
,"path"
};
decltype(ircd::rfc3986::parser::reg_name)
ircd::rfc3986::parser::reg_name
{
*(unreserved | pct_encoded | sub_delims)
,"reg-name"
};
decltype(ircd::rfc3986::parser::userinfo)
ircd::rfc3986::parser::userinfo
{
*(unreserved | pct_encoded | sub_delims | lit(':'))
,"userinfo"
};
decltype(ircd::rfc3986::parser::port)
ircd::rfc3986::parser::port
{
@ -240,6 +370,66 @@ ircd::rfc3986::parser::remote
,"remote"
};
decltype(ircd::rfc3986::parser::authority)
ircd::rfc3986::parser::authority
{
-(userinfo >> lit('@')) >> remote
,"authority"
};
decltype(ircd::rfc3986::parser::scheme)
ircd::rfc3986::parser::scheme
{
ascii::alpha >> *(ascii::alnum | lit('+') | lit('-') | lit('.'))
,"scheme"
};
decltype(ircd::rfc3986::parser::hier_part)
ircd::rfc3986::parser::hier_part
{
-((lit("//") >> authority >> path_abempty) | path_absolute | path_rootless)
,"hier_part"
};
decltype(ircd::rfc3986::parser::relative_part)
ircd::rfc3986::parser::relative_part
{
-((lit("//") >> authority >> path_abempty) | path_absolute | path_noscheme)
,"relative-part"
};
decltype(ircd::rfc3986::parser::relative_ref)
ircd::rfc3986::parser::relative_ref
{
relative_part >> -(lit('?') >> query) >> -(lit('#') >> fragment)
,"relative-ref"
};
decltype(ircd::rfc3986::parser::absolute_uri)
ircd::rfc3986::parser::absolute_uri
{
scheme >> lit(':') >> hier_part >> -(lit('?') >> query)
,"absolute-URI"
};
decltype(ircd::rfc3986::parser::uri)
ircd::rfc3986::parser::uri
{
scheme >> lit(':') >> hier_part >> -(lit('?') >> query) >> -(lit('#') >> fragment)
,"URI"
};
decltype(ircd::rfc3986::parser::uri_ref)
ircd::rfc3986::parser::uri_ref
{
uri | relative_ref
,"URI-reference"
};
//
// general interface
//
ircd::string_view
ircd::rfc3986::encode(const mutable_buffer &out,
const json::members &members)
@ -383,6 +573,10 @@ catch(const qi::expectation_failure<const char *> &e)
throw expectation_failure<error>{e};
}
//
// validators
//
bool
ircd::rfc3986::valid_remote(std::nothrow_t,
const string_view &str)