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-----------------------------------------------------------------------------
-- Licensed to the Apache Software Foundation (ASF) under one or more
-- contributor license agreements.
-- The ASF licenses this file to You under the Apache License, Version 2.0
-- (the "License"); you may not use this file except in compliance with
-- the License. You may obtain a copy of the License at
-- http://www.apache.org/licenses/LICENSE-2.0
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
-----------------------------------------------------------------------------
-- HTTP Class
-- by christian liesch <liesch@gmx.ch>
-----------------------------------------------------------------------------
HTTP = {buffered = nil, headers = nil}
-- Constructor
-- @param b IN buffered object
-- @return buffered object
function HTTP:new(b)
o = {buffered = b, headers = {mt = {}, values = {}}}
setmetatable(o, self)
self.__index = self
-- keys of headers are case-insensitiv
setmetatable(o.headers, o.headers.mt)
o.headers.mt.__index = function(t, key)
return t.values[string.lower(key)]
end
o.headers.mt.__newindex = function(t, key, value)
t.values[string.lower(key)] = value
end
return o
end
-- Read all headers but no body
-- @return status, headers
function HTTP:readheaders()
local status = self.buffered:readline()
for line in self.buffered:lines() do
if (string.len(line) == 0) then
break;
end
name, value = string.match(line, "([^:]*): (.*)")
self.headers[name] = value
end
return status, self.headers
end
-- Read body
-- @return body
function HTTP:readbody()
if (self.headers and self.headers["Content-Length"]) then
local len = self.headers["Content-Length"]
return self.buffered:readblock(len)
end
return nil
end
-- Read hole request
-- @return status, headers, body
function HTTP:read()
return self.readheaders(), self.readbody()
end
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