aredn/files/www/cgi-bin/apiprotected

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#!/usr/bin/lua
--[[
Part of AREDN -- Used for creating Amateur Radio Emergency Data Networks
Copyright (C) 2021 Darryl Quinn
See Contributors file for additional contributors
This program 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 version 3 of the License.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
Additional Terms:
Additional use restrictions exist on the AREDN(TM) trademark and logo.
See AREDNLicense.txt for more info.
Attributions to the AREDN Project must be retained in the source code.
If importing this code into a new or existing project attribution
to the AREDN project must be added to the source code.
You must not misrepresent the origin of the material contained within.
Modified versions must be modified to attribute to the original source
and be marked in reasonable ways as differentiate it from the original
version
--]]
require("uci")
require("aredn.uci")
require("aredn.utils")
require("aredn.http")
local aredn_olsr = require("aredn.olsr")
local aredn_info = require("aredn.info")
require("nixio")
local json = require("luci.jsonc")
require("iwinfo")
-- Function extensions
os.capture = capture
_G.switch = function(param, case_table)
local case = case_table[param]
if case then return case() end
local def = case_table['default']
return def and def() or nil
end
function addQueryStringData(qs, qsset)
local res = {}
res['raw'] = qs
if res['raw'] ~= nil then
res['params'] = qsset
end
return res
end
-- ==== MAIN =====
local request={}
local response={}
local topic=nil
-- PRE-PROCESS INCOMING REQUEST
local qsset={}
local qs=""
local method=""
if (arg[1]==nil) then -- FROM CGI
method=nixio.getenv("REQUEST_METHOD")
qs=nixio.getenv("QUERY_STRING")
qsset=parseQueryString(qs)
else -- FROM CMDLINE: ./apiprotected GET topic=setup_basic
method=arg[1]
qsset=parseQueryString(arg[2])
end
request['method']=method
request['authorization']=nixio.getenv("HTTP_AUTHORIZATION")
request['content_type']=nixio.getenv("CONTENT_TYPE")
request['query_string'] = addQueryStringData(qs, qsset)
-- ADD additional elements by METHOD type
if method=='GET' then -- READ
topic=request['query_string']['params']['topic']
elseif method=='OPTIONS' then -- OPTIONS
-- skip
elseif method=='POST' then -- UPDATE
request['content_length']=nixio.getenv("CONTENT_LENGTH")
rawcontent=io.read("*all")
request['content']=json.parse(rawcontent)
topic = request['content']['topic']
elseif method=='PUT' then -- CREATE
request['content_length']=nixio.getenv("CONTENT_LENGTH")
request['content']=io.read("*all")
elseif method=='DELETE' then -- DELETE
local x=true
else
request['content_length']=nixio.getenv("CONTENT_LENGTH")
request['content']=io.read("*all")
end
-- -------------------------------------------------
function getController(t, req)
cname = "aredn.controller." .. t
-- TODO: need to catch errors on non-existent controllers below
local status, c = pcall(require, cname)
if (status) then
return c:new(req)
else
return nil
end
end
-- determine the proper controller
if topic then
local controller = getController(topic, request) -- setup.basic, setup.meshrf, etc
if (controller) then
response=controller:process()
else
response['error']="Controller '" .. topic .. "' not found"
response['success']=false
end
end
-- Output the HTTP header for JSON
-- json_header()
json_header()
-- Output the info table as json
print(json.stringify(response,true))