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--[[
LuCI - Server Gateway Interface for the uHTTPd server
Copyright 2010 Jo-Philipp Wich <xm@subsignal.org>
Licensed 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.
]]--
require "nixio.util"
require "luci.http"
require "luci.sys"
require "luci.dispatcher"
require "luci.ltn12"
function handle_request(env)
exectime = os.clock()
local renv = {
CONTENT_LENGTH = env.CONTENT_LENGTH,
CONTENT_TYPE = env.CONTENT_TYPE,
REQUEST_METHOD = env.REQUEST_METHOD,
REQUEST_URI = env.REQUEST_URI,
PATH_INFO = env.PATH_INFO,
SCRIPT_NAME = env.SCRIPT_NAME:gsub("/+$", ""),
SCRIPT_FILENAME = env.SCRIPT_NAME,
SERVER_PROTOCOL = env.SERVER_PROTOCOL,
QUERY_STRING = env.QUERY_STRING
}
local k, v
for k, v in pairs(env.headers) do
k = k:upper():gsub("%-", "_")
renv["HTTP_" .. k] = v
end
local len = tonumber(env.CONTENT_LENGTH) or 0
local function recv()
if len > 0 then
local rlen, rbuf = uhttpd.recv(4096)
if rlen >= 0 then
len = len - rlen
return rbuf
end
end
return nil
end
local function send(...)
return uhttpd.send(...)
end
local function sendc(...)
if env.HTTP_VERSION > 1.0 then
return uhttpd.sendc(...)
else
return uhttpd.send(...)
end
end
local req = luci.http.Request(
renv, recv, luci.ltn12.sink.file(io.stderr)
)
local x = coroutine.create(luci.dispatcher.httpdispatch)
local hcache = { }
local active = true
if env.HTTP_VERSION > 1.0 then
hcache["Transfer-Encoding"] = "chunked"
end
while coroutine.status(x) ~= "dead" do
local res, id, data1, data2 = coroutine.resume(x, req)
if not res then
send(env.SERVER_PROTOCOL)
send(" 500 Internal Server Error\r\n")
send("Content-Type: text/plain\r\n\r\n")
send(tostring(id))
break
end
if active then
if id == 1 then
send(env.SERVER_PROTOCOL)
send(" ")
send(tostring(data1))
send(" ")
send(tostring(data2))
send("\r\n")
elseif id == 2 then
hcache[data1] = data2
elseif id == 3 then
for k, v in pairs(hcache) do
send(tostring(k))
send(": ")
send(tostring(v))
send("\r\n")
end
send("\r\n")
elseif id == 4 then
sendc(tostring(data1 or ""))
elseif id == 5 then
active = false
elseif id == 6 then
data1:copyz(nixio.stdout, data2)
end
end
end
end
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