mirror of
https://github.com/matrix-construct/construct
synced 2024-10-31 19:08:59 +01:00
201 lines
4 KiB
C++
201 lines
4 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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using namespace ircd;
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std::map<std::string, std::string, iless> files;
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static string_view
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content_type(const mutable_buffer &out, const string_view &filename, const string_view &content);
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resource::response
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get_root(client &client, const resource::request &request);
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static void
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init_files();
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mapi::header
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IRCD_MODULE
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{
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"Web root content resource",
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init_files
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};
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resource
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root_resource
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{
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"/",
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{
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"Webroot resource",
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root_resource.DIRECTORY
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}
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};
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resource::method
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root_get
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{
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root_resource, "GET", get_root
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};
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conf::item<std::string>
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webroot_path
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{
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{ "name", "ircd.webroot.path" },
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{ "default", "" },
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};
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void
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init_files()
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{
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const std::string &path{webroot_path};
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if(empty(path))
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return;
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for(const auto &file : fs::ls_recursive(path))
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{
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const auto name(lstrip(file, path));
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files.emplace(std::string(name), file);
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}
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}
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resource::response
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get_root(client &client,
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const resource::request &request)
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try
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{
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const auto &path
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{
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!request.head.path?
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"index.html":
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request.head.path == "/"?
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"index.html":
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request.head.path
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};
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auto it
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{
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files.find(lstrip(path, '/'))
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};
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if(it == end(files))
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throw http::error{http::NOT_FOUND};
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const auto &file_name
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{
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it->second
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};
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const fs::fd fd
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{
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file_name
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};
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const size_t file_size
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{
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size(fd)
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};
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const unique_buffer<mutable_buffer> buffer
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{
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24_KiB
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};
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string_view chunk
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{
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fs::read(fd, buffer)
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};
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char content_type_buf[64];
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resource::response
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{
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client,
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http::OK,
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content_type(content_type_buf, file_name, chunk),
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file_size
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};
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const unwind::exceptional terminate{[&client]
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{
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client.close(net::dc::RST, net::close_ignore);
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}};
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size_t written
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{
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client.write_all(chunk)
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};
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size_t offset
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{
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size(chunk)
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};
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while(offset < file_size)
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{
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chunk = fs::read(fd, buffer, offset);
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assert(!empty(chunk));
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written += client.write_all(chunk);
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offset += size(chunk);
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assert(written == offset);
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}
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assert(offset == file_size);
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assert(written == offset);
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return {};
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}
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catch(const fs::error &e)
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{
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throw http::error
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{
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e.code == std::errc::no_such_file_or_directory?
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http::NOT_FOUND:
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http::INTERNAL_SERVER_ERROR,
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"%s", e.what()
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};
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}
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string_view
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content_type(const mutable_buffer &out,
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const string_view &filename,
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const string_view &content)
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{
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const auto extension
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{
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rsplit(filename, '.').second
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};
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string_view content_type; switch(hash(extension))
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{
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case hash("css"): content_type = "text/css; charset=utf-8"; break;
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case hash("js"): content_type = "application/javascript; charset=utf-8"; break;
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case hash("html"): content_type = "text/html; charset=utf-8"; break;
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case hash("ico"): content_type = "image/x-icon"; break;
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case hash("svg"): content_type = "image/svg+xml"; break;
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case hash("png"): content_type = "image/png"; break;
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case hash("gif"): content_type = "image/gif"; break;
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case hash("jpeg"):
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case hash("jpg"): content_type = "image/jpeg"; break;
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case hash("woff2"): content_type = "application/font-woff2"; break;
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case hash("woff"): content_type = "application/font-woff"; break;
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case hash("eot"): content_type = "application/vnd.ms-fontobject"; break;
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case hash("otf"):
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case hash("ttf"): content_type = "application/font-sfnt"; break;
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case hash("ogg"): content_type = "application/ogg"; break;
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case hash("json"): content_type = "application/json; charset=utf-8"; break;
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case hash("txt"): content_type = "text/plain; charset=utf-8"; break;
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default:
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{
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content_type = magic::mime(out, content);
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break;
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}
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}
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return content_type;
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}
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