modules/rpc/luasrc/controller/rpc.lua

   1 --[[
   2 LuCI - Lua Configuration Interface
   3
   4 Copyright 2008 Steven Barth <steven@midlink.org>
   5 Copyright 2008 Jo-Philipp Wich <xm@leipzig.freifunk.net>
   6
   7 Licensed under the Apache License, Version 2.0 (the "License");
   8 you may not use this file except in compliance with the License.
   9 You may obtain a copy of the License at
  10
  11         http://www.apache.org/licenses/LICENSE-2.0
  12
  13 $Id$
  14 ]]--
  15
  16 local require = require
  17 local pairs = pairs
  18 local print = print
  19 local pcall = pcall
  20 local table = table
  21
  22 module "luci.controller.rpc"
  23
  24 function index()
  25         local function authenticator(validator, accs)
  26                 local auth = luci.http.formvalue("auth", true)
  27                 if auth then
  28                         local user = luci.sauth.read(auth)
  29                         if user and luci.util.contains(accs, user) then
  30                                 return user, auth
  31                         end
  32                 end
  33                 luci.http.status(403, "Forbidden")
  34         end
  35
  36         uci = entry({"rpc", "uci"}, call("rpc_uci"))
  37         uci.sysauth = "root"
  38         uci.sysauth_authenticator = authenticator
  39         uci.notemplate = true
  40
  41         fs = entry({"rpc", "fs"}, call("rpc_fs"))
  42         fs.sysauth = "root"
  43         fs.sysauth_authenticator = authenticator
  44         fs.notemplate = true
  45
  46         sys = entry({"rpc", "sys"}, call("rpc_sys"))
  47         sys.sysauth = "root"
  48         sys.sysauth_authenticator = authenticator
  49         sys.notemplate = true
  50
  51         ipkg = entry({"rpc", "ipkg"}, call("rpc_ipkg"))
  52         ipkg.sysauth = "root"
  53         ipkg.sysauth_authenticator = authenticator
  54         ipkg.notemplate = true
  55
  56         entry({"rpc", "auth"}, call("rpc_auth")).notemplate = true
  57 end
  58
  59 function rpc_auth()
  60         local jsonrpc = require "luci.jsonrpc"
  61         local sauth   = require "luci.sauth"
  62         local http    = require "luci.http"
  63         local sys     = require "luci.sys"
  64         local ltn12   = require "luci.ltn12"
  65
  66         http.setfilehandler()
  67
  68         local loginstat
  69
  70         local server = {}
  71         server.login = function(user, pass)
  72                 local sid
  73
  74                 if sys.user.checkpasswd(user, pass) then
  75                         sid = sys.uniqueid(16)
  76                         http.header("Set-Cookie", "sysauth=" .. sid.."; path=/")
  77                         sauth.write(sid, user)
  78                 end
  79
  80                 return sid
  81         end
  82
  83         http.prepare_content("application/json")
  84         ltn12.pump.all(jsonrpc.handle(server, http.source()), http.write)
  85 end
  86
  87 function rpc_uci()
  88         if not pcall(require, "luci.model.uci") then
  89                 luci.http.status(404, "Not Found")
  90                 return nil
  91         end
  92         local uci     = require "luci.controller.rpc.uci"
  93         local jsonrpc = require "luci.jsonrpc"
  94         local http    = require "luci.http"
  95         local ltn12   = require "luci.ltn12"
  96
  97         http.prepare_content("application/json")
  98         ltn12.pump.all(jsonrpc.handle(uci, http.source()), http.write)
  99 end
 100
 101 function rpc_fs()
 102         local util    = require "luci.util"
 103         local io      = require "io"
 104         local fs2     = util.clone(require "luci.fs")
 105         local jsonrpc = require "luci.jsonrpc"
 106         local http    = require "luci.http"
 107         local ltn12   = require "luci.ltn12"
 108
 109         function fs2.readfile(filename)
 110                 local stat, mime = pcall(require, "mime")
 111                 if not stat then
 112                         error("Base64 support not available. Please install LuaSocket.")
 113                 end
 114
 115                 local fp = io.open(filename)
 116                 if not fp then
 117                         return nil
 118                 end
 119
 120                 local output = {}
 121                 local sink = ltn12.sink.table(output)
 122                 local source = ltn12.source.chain(ltn12.source.file(fp), mime.encode("base64"))
 123                 return ltn12.pump.all(source, sink) and table.concat(output)
 124         end
 125
 126         function fs2.writefile(filename, data)
 127                 local stat, mime = pcall(require, "mime")
 128                 if not stat then
 129                         error("Base64 support not available. Please install LuaSocket.")
 130                 end
 131
 132                 local  file = io.open(filename, "w")
 133                 local  sink = file and ltn12.sink.chain(mime.decode("base64"), ltn12.sink.file(file))
 134                 return sink and ltn12.pump.all(ltn12.source.string(data), sink) or false
 135         end
 136
 137         http.prepare_content("application/json")
 138         ltn12.pump.all(jsonrpc.handle(fs2, http.source()), http.write)
 139 end
 140
 141 function rpc_sys()
 142         local sys     = require "luci.sys"
 143         local jsonrpc = require "luci.jsonrpc"
 144         local http    = require "luci.http"
 145         local ltn12   = require "luci.ltn12"
 146
 147         http.prepare_content("application/json")
 148         ltn12.pump.all(jsonrpc.handle(sys, http.source()), http.write)
 149 end
 150
 151 function rpc_ipkg()
 152         if not pcall(require, "luci.model.ipkg") then
 153                 luci.http.status(404, "Not Found")
 154                 return nil
 155         end
 156         local ipkg    = require "luci.model.ipkg"
 157         local jsonrpc = require "luci.jsonrpc"
 158         local http    = require "luci.http"
 159         local ltn12   = require "luci.ltn12"
 160
 161         http.prepare_content("application/json")
 162         ltn12.pump.all(jsonrpc.handle(ipkg, http.source()), http.write)
 163 end