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--
-- This file is part of LEM, a Lua Event Machine.
-- Copyright 2011-2012 Emil Renner Berthing
--
-- LEM is free software: you can redistribute it and/or
-- modify it under the terms of the GNU General Public License as
-- published by the Free Software Foundation, either version 3 of
-- the License, or (at your option) any later version.
--
-- LEM is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with LEM. If not, see <http://www.gnu.org/licenses/>.
--
local streams = require 'lem.streams'
local M = require 'lem.http.core'
streams.parsers['HTTPRequest'] = M.HTTPRequest
M.HTTPRequest = nil
streams.parsers['HTTPResponse'] = M.HTTPResponse
M.HTTPResponse = nil
local tonumber = tonumber
local concat = table.concat
function M.Request:body()
local len, body = self.headers['Content-Length'], ''
if not len then return body end
len = tonumber(len)
if len <= 0 then return body end
if self.headers['Expect'] == '100-continue' then
local ok, err = self.ostream:send('HTTP/1.1 100 Continue\r\n\r\n')
if not ok then return nil, err end
end
local err
body, err = self.istream:read(len)
if not body then return nil, err end
return body
end
function M.Response:body_chunked()
local istream = self.istream
local t, n = {}, 0
local line, err
while true do
line, err = istream:read('*l')
if not line then return nil, err end
local num = tonumber(line, 16)
if not num then return nil, 'expectation failed' end
if num == 0 then break end
local data, err = istream:read(num)
if not data then return nil, err end
n = n + 1
t[n] = data
line, err = istream:read('*l')
if not line then return nil, err end
end
line, err = istream:read('*l')
if not line then return nil, err end
return t
end
function M.Response:body()
if self.headers['Transfer-Encoding'] == 'chunked' then
return concat(self:body_chunked())
end
local num = self.headers['Content-Length']
if not num then return nil, 'no content length specified' end
num = tonumber(num)
if not num then return nil, 'invalid content length' end
return self.istream:read(num)
end
return M
-- vim: ts=2 sw=2 noet:
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