Rework LuCI build system

* Rename subdirectories to their repective OpenWrt package names
 * Make each LuCI module its own standalone package
 * Deploy a shared luci.mk which is used by each module Makefile

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>

modules/luci-mod-rpc/luasrc/controller/rpc.lua

@@ -0,0 +1,166 @@
+--[[
+LuCI - Lua Configuration Interface
+
+Copyright 2008 Steven Barth <steven@midlink.org>
+Copyright 2008 Jo-Philipp Wich <xm@leipzig.freifunk.net>
+
+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
+
+$Id$
+]]--
+
+local require = require
+local pairs = pairs
+local print = print
+local pcall = pcall
+local table = table
+
+module "luci.controller.rpc"
+
+function index()
+	local function authenticator(validator, accs)
+		local auth = luci.http.formvalue("auth", true)
+		if auth then -- if authentication token was given
+			local sdat = luci.sauth.read(auth)
+			if sdat then -- if given token is valid
+				if sdat.user and luci.util.contains(accs, sdat.user) then
+					return sdat.user, auth
+				end
+			end
+		end
+		luci.http.status(403, "Forbidden")
+	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 sauth   = require "luci.sauth"
+	local http    = require "luci.http"
+	local sys     = require "luci.sys"
+	local ltn12   = require "luci.ltn12"
+	local util    = require "luci.util"
+
+	local loginstat
+
+	local server = {}
+	server.challenge = function(user, pass)
+		local sid, token, secret
+
+		if sys.user.checkpasswd(user, pass) then
+			sid = sys.uniqueid(16)
+			token = sys.uniqueid(16)
+			secret = sys.uniqueid(16)
+
+			http.header("Set-Cookie", "sysauth=" .. sid.."; path=/")
+			sauth.reap()
+			sauth.write(sid, {
+				user=user,
+				token=token,
+				secret=secret
+			})
+		end
+
+		return sid and {sid=sid, token=token, secret=secret}
+	end
+
+	server.login = function(...)
+		local challenge = server.challenge(...)
+		return challenge and challenge.sid
+	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