mirror of
https://github.com/matrix-construct/construct
synced 2024-08-16 22:54:41 +02:00
174 lines
4.3 KiB
C++
174 lines
4.3 KiB
C++
// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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#pragma once
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#define HAVE_IRCD_RESOURCE_H
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namespace ircd
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{
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struct resource;
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}
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struct ircd::resource
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{
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IRCD_EXCEPTION(ircd::error, error)
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enum flag :uint;
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struct opts;
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struct method;
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struct request;
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struct response;
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static std::map<string_view, resource *, iless> resources;
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string_view path;
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string_view description;
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enum flag flags;
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std::map<string_view, method *> methods;
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unique_const_iterator<decltype(resources)> resources_it;
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private:
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virtual void handle_request(client &, method &, resource::request &);
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public:
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method &operator[](const string_view &path);
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void operator()(client &, const http::request::head &, const string_view &content_partial);
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resource(const string_view &path, const opts &);
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resource(const string_view &path);
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resource() = default;
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virtual ~resource() noexcept;
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static resource &find(string_view path);
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};
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enum ircd::resource::flag
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:uint
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{
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DIRECTORY = 0x01,
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};
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struct ircd::resource::opts
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{
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/// developer's literal description of the resource
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string_view description
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{
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"no description"
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};
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/// flags for the resource
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flag flags
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{
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flag(0)
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};
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/// parameter count limits (DIRECTORY only)
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std::pair<short, short> parc
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{
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0, // minimum params
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15 // maximum params
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};
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};
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struct ircd::resource::request
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:json::object
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{
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template<class> struct object;
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const http::request::head &head;
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string_view content;
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http::query::string query;
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string_view user_id; //m::user::id::buf user_id; //TODO: bleeding
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string_view access_token;
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vector_view<string_view> parv;
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request(const http::request::head &head,
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const string_view &content,
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http::query::string query,
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const vector_view<string_view> &parv);
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};
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template<class tuple>
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struct ircd::resource::request::object
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:tuple
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{
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resource::request &r;
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const http::request::head &head;
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const string_view &content;
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const http::query::string &query;
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const decltype(r.user_id) &user_id;
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const decltype(r.access_token) &access_token;
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const vector_view<string_view> &parv;
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const json::object &body;
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object(resource::request &r)
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:tuple{r}
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,r{r}
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,head{r.head}
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,content{r.content}
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,query{r.query}
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,user_id{r.user_id}
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,access_token{r.access_token}
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,parv{r.parv}
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,body{r}
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{}
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};
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struct ircd::resource::response
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{
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response(client &, const string_view &str, const string_view &content_type, const http::code &, const vector_view<const http::header> &);
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response(client &, const string_view &str, const string_view &content_type, const http::code & = http::OK, const string_view &headers = {});
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response(client &, const json::object &str, const http::code & = http::OK);
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response(client &, const json::array &str, const http::code & = http::OK);
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response(client &, const json::members & = {}, const http::code & = http::OK);
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response(client &, const json::value &, const http::code & = http::OK);
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response(client &, const json::iov &, const http::code & = http::OK);
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response(client &, const http::code &, const json::members &);
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response(client &, const http::code &, const json::value &);
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response(client &, const http::code &, const json::iov &);
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response(client &, const http::code &);
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response() = default;
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};
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struct ircd::resource::method
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{
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using handler = std::function<response (client &, request &)>;
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enum flag
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{
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REQUIRES_AUTH = 0x01,
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RATE_LIMITED = 0x02,
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VERIFY_ORIGIN = 0x04,
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};
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struct opts
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{
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flag flags {(flag)0};
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/// The maximum size of the Content-Length for this method. Anything
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/// larger will be summarily rejected with a 413.
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size_t payload_max {128_KiB};
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};
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string_view name;
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struct resource *resource;
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handler function;
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struct opts opts;
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unique_const_iterator<decltype(resource::methods)> methods_it;
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public:
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virtual response operator()(client &, request &);
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method(struct resource &, const string_view &name, const handler &, const struct opts &);
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method(struct resource &, const string_view &name, const handler &);
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virtual ~method() noexcept;
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};
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