luci-base: expose luci.dispatcher.build_url() as url() in templates

[project/luci.git] / modules / luci-base / luasrc / dispatcher.lua

diff --git a/modules/luci-base/luasrc/dispatcher.lua b/modules/luci-base/luasrc/dispatcher.lua
index 8b8d1fa..5d9d1b0 100644 (file)
--- a/modules/luci-base/luasrc/dispatcher.lua
+++ b/modules/luci-base/luasrc/dispatcher.lua
@@ -1,4 +1,5 @@
 -- Copyright 2008 Steven Barth <steven@midlink.org>
+-- Copyright 2008-2015 Jo-Philipp Wich <jow@openwrt.org>
 -- Licensed to the public under the Apache License 2.0.
 
 local fs = require "nixio.fs"
@@ -284,6 +285,8 @@ function dispatch(request)
                   resource    = luci.config.main.resourcebase;
                   ifattr      = function(...) return _ifattr(...) end;
                   attr        = function(...) return _ifattr(true, ...) end;
+                  token       = ctx.urltoken.stok;
+                  url         = build_url;
                }, {__index=function(table, key)
                        if key == "controller" then
                                return build_url()
@@ -378,6 +381,20 @@ 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 +720,16 @@ 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)
@@ -717,6 +744,15 @@ local function _cbi(self, ...)
        local cbi = require "luci.cbi"
        local tpl = require "luci.template"
        local http = require "luci.http"
+       local disp = require "luci.dispatcher"
+
+       if http.formvalue("cbi.submit") == "1" and
+          http.formvalue("token") ~= disp.context.urltoken.stok
+       then
+               http.status(403, "Forbidden")
+               luci.template.render("csrftoken")
+               return
+       end
 
        local config = self.config or {}
        local maps = cbi.load(self.model, ...)
@@ -834,6 +870,15 @@ local function _form(self, ...)
        local cbi = require "luci.cbi"
        local tpl = require "luci.template"
        local http = require "luci.http"
+       local disp = require "luci.dispatcher"
+
+       if http.formvalue("cbi.submit") == "1" and
+          http.formvalue("token") ~= disp.context.urltoken.stok
+       then
+               http.status(403, "Forbidden")
+               luci.template.render("csrftoken")
+               return
+       end
 
        local maps = luci.cbi.load(self.model, ...)
        local state = nil