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-- Copyright 2008 Steven Barth <steven@midlink.org>
-- Copyright 2008 Jo-Philipp Wich <jow@openwrt.org>
-- Licensed to the public under the Apache License 2.0.
module("luci.controller.rpc", package.seeall)
function index()
local function session_retrieve(sid, allowed_users)
local util = require "luci.util"
local sdat = util.ubus("session", "get", {
ubus_rpc_session = sid
})
if type(sdat) == "table" and
type(sdat.values) == "table" and
type(sdat.values.token) == "string" and
type(sdat.values.secret) == "string" and
type(sdat.values.username) == "string" and
util.contains(allowed_users, sdat.values.username)
then
return sid, sdat.values
end
return nil
end
local function authenticator(validator, accs)
local http = require "luci.http"
local auth = http.formvalue("auth", true) or http.getcookie("sysauth")
if auth then -- if authentication token was given
local sid, sdat = session_retrieve(auth, accs)
if sdat then -- if given token is valid
return sdat.username, sid
end
http.status(403, "Forbidden")
end
end
local rpc = node("rpc")
rpc.sysauth = "root"
rpc.sysauth_authenticator = authenticator
rpc.notemplate = true
entry({"rpc", "uci"}, call("rpc_uci"))
entry({"rpc", "fs"}, call("rpc_fs"))
entry({"rpc", "sys"}, call("rpc_sys"))
entry({"rpc", "ipkg"}, call("rpc_ipkg"))
entry({"rpc", "auth"}, call("rpc_auth")).sysauth = false
end
function rpc_auth()
local jsonrpc = require "luci.jsonrpc"
local http = require "luci.http"
local sys = require "luci.sys"
local ltn12 = require "luci.ltn12"
local util = require "luci.util"
local server = {}
server.challenge = function(user, pass)
local config = require "luci.config"
local login = util.ubus("session", "login", {
username = user,
password = pass,
timeout = tonumber(config.sauth.sessiontime)
})
if type(login) == "table" and
type(login.ubus_rpc_session) == "string"
then
util.ubus("session", "set", {
ubus_rpc_session = login.ubus_rpc_session,
values = {
token = sys.uniqueid(16),
secret = sys.uniqueid(16)
}
})
local sid, sdat = session_retrieve(login.ubus_rpc_session, { user })
if sdat then
return {
sid = sid,
token = sdat.token,
secret = sdat.secret
}
end
end
return nil
end
server.login = function(...)
local challenge = server.challenge(...)
if challenge then
http.header("Set-Cookie", 'sysauth=%s; path=%s' %{
challenge.sid,
http.getenv("SCRIPT_NAME")
})
return challenge.sid
end
end
http.prepare_content("application/json")
ltn12.pump.all(jsonrpc.handle(server, http.source()), http.write)
end
function rpc_uci()
if not pcall(require, "luci.model.uci") then
luci.http.status(404, "Not Found")
return nil
end
local uci = require "luci.jsonrpcbind.uci"
local jsonrpc = require "luci.jsonrpc"
local http = require "luci.http"
local ltn12 = require "luci.ltn12"
http.prepare_content("application/json")
ltn12.pump.all(jsonrpc.handle(uci, http.source()), http.write)
end
function rpc_fs()
local util = require "luci.util"
local io = require "io"
local fs2 = util.clone(require "nixio.fs")
local jsonrpc = require "luci.jsonrpc"
local http = require "luci.http"
local ltn12 = require "luci.ltn12"
function fs2.readfile(filename)
local stat, mime = pcall(require, "mime")
if not stat then
error("Base64 support not available. Please install LuaSocket.")
end
local fp = io.open(filename)
if not fp then
return nil
end
local output = {}
local sink = ltn12.sink.table(output)
local source = ltn12.source.chain(ltn12.source.file(fp), mime.encode("base64"))
return ltn12.pump.all(source, sink) and table.concat(output)
end
function fs2.writefile(filename, data)
local stat, mime = pcall(require, "mime")
if not stat then
error("Base64 support not available. Please install LuaSocket.")
end
local file = io.open(filename, "w")
local sink = file and ltn12.sink.chain(mime.decode("base64"), ltn12.sink.file(file))
return sink and ltn12.pump.all(ltn12.source.string(data), sink) or false
end
http.prepare_content("application/json")
ltn12.pump.all(jsonrpc.handle(fs2, http.source()), http.write)
end
function rpc_sys()
local sys = require "luci.sys"
local jsonrpc = require "luci.jsonrpc"
local http = require "luci.http"
local ltn12 = require "luci.ltn12"
http.prepare_content("application/json")
ltn12.pump.all(jsonrpc.handle(sys, http.source()), http.write)
end
function rpc_ipkg()
if not pcall(require, "luci.model.ipkg") then
luci.http.status(404, "Not Found")
return nil
end
local ipkg = require "luci.model.ipkg"
local jsonrpc = require "luci.jsonrpc"
local http = require "luci.http"
local ltn12 = require "luci.ltn12"
http.prepare_content("application/json")
ltn12.pump.all(jsonrpc.handle(ipkg, http.source()), http.write)
end
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