gluon/package/gluon-web/luasrc/usr/lib/lua/gluon/web/cgi.lua
2018-07-17 20:08:16 +02:00

37 lines
871 B
Lua

-- Copyright 2008 Steven Barth <steven@midlink.org>
-- Copyright 2017 Matthias Schiffer <mschiffer@universe-factory.net>
-- Licensed to the public under the Apache License 2.0.
local stdlib = require 'posix.stdlib'
local http = require 'gluon.web.http'
local dispatcher = require 'gluon.web.dispatcher'
-- Limited source to avoid endless blocking
local function limitsource(handle, limit)
limit = limit or 0
local BLOCKSIZE = 2048
return function()
if limit < 1 then
handle:close()
return nil
else
local read = (limit > BLOCKSIZE) and BLOCKSIZE or limit
limit = limit - read
local chunk = handle:read(read)
if not chunk then handle:close() end
return chunk
end
end
end
return function(config)
local env = stdlib.getenv()
dispatcher(config, http.Http(
env,
limitsource(io.stdin, tonumber(env.CONTENT_LENGTH)),
io.stdout
))
end