diff --git a/modules/luci-base/luasrc/dispatcher.lua b/modules/luci-base/luasrc/dispatcher.lua index 8b8d1fa349..798e3e6ce6 100644 --- a/modules/luci-base/luasrc/dispatcher.lua +++ b/modules/luci-base/luasrc/dispatcher.lua @@ -1,4 +1,5 @@ -- Copyright 2008 Steven Barth +-- Copyright 2008-2015 Jo-Philipp Wich -- Licensed to the public under the Apache License 2.0. local fs = require "nixio.fs" @@ -284,6 +285,7 @@ function dispatch(request) resource = luci.config.main.resourcebase; ifattr = function(...) return _ifattr(...) end; attr = function(...) return _ifattr(true, ...) end; + token = ctx.urltoken.stok; }, {__index=function(table, key) if key == "controller" then return build_url() @@ -378,6 +380,20 @@ function dispatch(request) end end + if c and type(c.target) == "table" and c.target.post == true then + if http.getenv("REQUEST_METHOD") ~= "POST" then + http.status(405, "Method Not Allowed") + http.header("Allow", "POST") + return + end + + if http.formvalue("token") ~= ctx.urltoken.stok then + http.status(403, "Forbidden") + luci.template.render("csrftoken") + return + end + end + if track.setgroup then sys.process.setgroup(track.setgroup) end @@ -703,6 +719,16 @@ function call(name, ...) return {type = "call", argv = {...}, name = name, target = _call} end +function post(name, ...) + return { + type = "call", + post = true, + argv = { ... }, + name = name, + target = _call + } +end + local _template = function(self, ...) require "luci.template".render(self.view) diff --git a/modules/luci-base/luasrc/view/csrftoken.htm b/modules/luci-base/luasrc/view/csrftoken.htm new file mode 100644 index 0000000000..57ac03f3bf --- /dev/null +++ b/modules/luci-base/luasrc/view/csrftoken.htm @@ -0,0 +1,24 @@ +<%# + Copyright 2015 Jo-Philipp Wich + Licensed to the public under the Apache License 2.0. +-%> + +<%+header%> + +

<%:Form token mismatch%>

+
+ +

<%:The submitted security token is invalid or already expired!%>

+ +

<%: + In order to prevent unauthorized access to the system, your request has + been blocked. Click "Continue »" below to return to the previous page. +%>

+ +
+ +

+ Continue » +

+ +<%+footer%>