---[[
-LuCI - Dispatcher
+-- Copyright 2008 Steven Barth <steven@midlink.org>
+-- Licensed to the public under the Apache License 2.0.
-Description:
-The request dispatcher and module dispatcher generators
-
-FileId:
-$Id$
-
-License:
-Copyright 2008 Steven Barth <steven@midlink.org>
-
-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
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-
-]]--
-
---- LuCI web dispatcher.
local fs = require "nixio.fs"
local sys = require "luci.sys"
-local init = require "luci.init"
local util = require "luci.util"
local http = require "luci.http"
local nixio = require "nixio", require "nixio.util"
local fi
---- Build the URL relative to the server webroot from given virtual path.
--- @param ... Virtual path
--- @return Relative URL
function build_url(...)
local path = {...}
local url = { http.getenv("SCRIPT_NAME") or "" }
return table.concat(url, "")
end
---- Check whether a dispatch node shall be visible
--- @param node Dispatch node
--- @return Boolean indicating whether the node should be visible
function node_visible(node)
if node then
return not (
return false
end
---- Return a sorted table of visible childs within a given node
--- @param node Dispatch node
--- @return Ordered table of child node names
function node_childs(node)
local rv = { }
if node then
end
---- Send a 404 error code and render the "error404" template if available.
--- @param message Custom error message (optional)
--- @return false
function error404(message)
- luci.http.status(404, "Not Found")
+ http.status(404, "Not Found")
message = message or "Not Found"
require("luci.template")
- if not luci.util.copcall(luci.template.render, "error404") then
- luci.http.prepare_content("text/plain")
- luci.http.write(message)
+ if not util.copcall(luci.template.render, "error404") then
+ http.prepare_content("text/plain")
+ http.write(message)
end
return false
end
---- Send a 500 error code and render the "error500" template if available.
--- @param message Custom error message (optional)#
--- @return false
function error500(message)
- luci.util.perror(message)
+ util.perror(message)
if not context.template_header_sent then
- luci.http.status(500, "Internal Server Error")
- luci.http.prepare_content("text/plain")
- luci.http.write(message)
+ http.status(500, "Internal Server Error")
+ http.prepare_content("text/plain")
+ http.write(message)
else
require("luci.template")
- if not luci.util.copcall(luci.template.render, "error500", {message=message}) then
- luci.http.prepare_content("text/plain")
- luci.http.write(message)
+ if not util.copcall(luci.template.render, "error500", {message=message}) then
+ http.prepare_content("text/plain")
+ http.write(message)
end
end
return false
end
function authenticator.htmlauth(validator, accs, default)
- local user = luci.http.formvalue("luci_username")
- local pass = luci.http.formvalue("luci_password")
+ local user = http.formvalue("luci_username")
+ local pass = http.formvalue("luci_password")
if user and validator(user, pass) then
return user
end
- require("luci.i18n")
- require("luci.template")
- context.path = {}
- luci.template.render("sysauth", {duser=default, fuser=user})
+ if context.urltoken.stok then
+ context.urltoken.stok = nil
+ http.header("Set-Cookie", "sysauth=; path="..build_url())
+ http.redirect(build_url())
+ else
+ require("luci.i18n")
+ require("luci.template")
+ context.path = {}
+ http.status(403, "Forbidden")
+ luci.template.render("sysauth", {duser=default, fuser=user})
+ end
+
return false
end
---- Dispatch an HTTP request.
--- @param request LuCI HTTP Request object
function httpdispatch(request, prefix)
- luci.http.context.request = request
+ http.context.request = request
local r = {}
context.request = r
dispatch(context.request)
end, error500)
- luci.http.close()
+ http.close()
--context._disable_memtrace()
end
---- Dispatches a LuCI virtual path.
--- @param request Virtual path
function dispatch(request)
--context._disable_memtrace = require "luci.debug".trap_memtrace("l")
local ctx = context
local scope = (type(env.self) == "table") and env.self
return string.format(
' %s="%s"', tostring(key),
- luci.util.pcdata(tostring( val
+ util.pcdata(tostring( val
or (type(env[key]) ~= "function" and env[key])
or (scope and type(scope[key]) ~= "function" and scope[key])
or "" ))
end
tpl.context.viewns = setmetatable({
- write = luci.http.write;
+ write = http.write;
include = function(name) tpl.Template(name):render(getfenv(2)) end;
translate = i18n.translate;
translatef = i18n.translatef;
)
if track.sysauth then
- local sauth = require "luci.sauth"
-
local authen = type(track.sysauth_authenticator) == "function"
and track.sysauth_authenticator
or authenticator[track.sysauth_authenticator]
local sess = ctx.authsession
local verifytoken = false
if not sess then
- sess = luci.http.getcookie("sysauth")
+ sess = http.getcookie("sysauth")
sess = sess and sess:match("^[a-f0-9]*$")
verifytoken = true
end
- local sdat = sauth.read(sess)
+ local sdat = (util.ubus("session", "get", { ubus_rpc_session = sess }) or { }).values
local user
if sdat then
else
local eu = http.getenv("HTTP_AUTH_USER")
local ep = http.getenv("HTTP_AUTH_PASS")
- if eu and ep and luci.sys.user.checkpasswd(eu, ep) then
+ if eu and ep and sys.user.checkpasswd(eu, ep) then
authen = function() return eu end
end
end
if not util.contains(accs, user) then
if authen then
- ctx.urltoken.stok = nil
- local user, sess = authen(luci.sys.user.checkpasswd, accs, def)
+ local user, sess = authen(sys.user.checkpasswd, accs, def)
if not user or not util.contains(accs, user) then
return
else
- local sid = sess or luci.sys.uniqueid(16)
if not sess then
- local token = luci.sys.uniqueid(16)
- sauth.reap()
- sauth.write(sid, {
- user=user,
- token=token,
- secret=luci.sys.uniqueid(16)
- })
- ctx.urltoken.stok = token
+ local sdat = util.ubus("session", "create", { timeout = luci.config.sauth.sessiontime })
+ if sdat then
+ local token = sys.uniqueid(16)
+ util.ubus("session", "set", {
+ ubus_rpc_session = sdat.ubus_rpc_session,
+ values = {
+ user = user,
+ token = token,
+ section = sys.uniqueid(16)
+ }
+ })
+ sess = sdat.ubus_rpc_session
+ ctx.urltoken.stok = token
+ end
+ end
+
+ if sess then
+ http.header("Set-Cookie", "sysauth=" .. sess.."; path="..build_url())
+ http.redirect(build_url(unpack(ctx.requestpath)))
+ ctx.authsession = sess
+ ctx.authuser = user
end
- luci.http.header("Set-Cookie", "sysauth=" .. sid.."; path="..build_url())
- ctx.authsession = sid
- ctx.authuser = user
end
else
- luci.http.status(403, "Forbidden")
+ http.status(403, "Forbidden")
return
end
else
end
if track.setgroup then
- luci.sys.process.setgroup(track.setgroup)
+ sys.process.setgroup(track.setgroup)
end
if track.setuser then
- luci.sys.process.setuser(track.setuser)
+ -- trigger ubus connection before dropping root privs
+ util.ubus()
+
+ sys.process.setuser(track.setuser)
end
local target = nil
end
end
---- Generate the dispatching index using the best possible strategy.
function createindex()
- local path = luci.util.libpath() .. "/controller/"
- local suff = { ".lua", ".lua.gz" }
-
- if luci.util.copcall(require, "luci.fastindex") then
- createindex_fastindex(path, suff)
- else
- createindex_plain(path, suff)
- end
-end
-
---- Generate the dispatching index using the fastindex C-indexer.
--- @param path Controller base directory
--- @param suffixes Controller file suffixes
-function createindex_fastindex(path, suffixes)
- index = {}
-
- if not fi then
- fi = luci.fastindex.new("index")
- for _, suffix in ipairs(suffixes) do
- fi.add(path .. "*" .. suffix)
- fi.add(path .. "*/*" .. suffix)
- end
- end
- fi.scan()
+ local controllers = { }
+ local base = "%s/controller/" % util.libpath()
+ local _, path
- for k, v in pairs(fi.indexes) do
- index[v[2]] = v[1]
+ for path in (fs.glob("%s*.lua" % base) or function() end) do
+ controllers[#controllers+1] = path
end
-end
---- Generate the dispatching index using the native file-cache based strategy.
--- @param path Controller base directory
--- @param suffixes Controller file suffixes
-function createindex_plain(path, suffixes)
- local controllers = { }
- for _, suffix in ipairs(suffixes) do
- nixio.util.consume((fs.glob(path .. "*" .. suffix)), controllers)
- nixio.util.consume((fs.glob(path .. "*/*" .. suffix)), controllers)
+ for path in (fs.glob("%s*/*.lua" % base) or function() end) do
+ controllers[#controllers+1] = path
end
if indexcache then
realdate = (omtime and omtime > realdate) and omtime or realdate
end
- if cachedate > realdate then
+ if cachedate > realdate and sys.process.info("uid") == 0 then
assert(
sys.process.info("uid") == fs.stat(indexcache, "uid")
and fs.stat(indexcache, "modestr") == "rw-------",
index = {}
- for i,c in ipairs(controllers) do
- local modname = "luci.controller." .. c:sub(#path+1, #c):gsub("/", ".")
- for _, suffix in ipairs(suffixes) do
- modname = modname:gsub(suffix.."$", "")
- end
-
+ for _, path in ipairs(controllers) do
+ local modname = "luci.controller." .. path:sub(#base+1, #path-4):gsub("/", ".")
local mod = require(modname)
assert(mod ~= true,
"Invalid controller file found\n" ..
- "The file '" .. c .. "' contains an invalid module line.\n" ..
+ "The file '" .. path .. "' contains an invalid module line.\n" ..
"Please verify whether the module name is set to '" .. modname ..
"' - It must correspond to the file path!")
local idx = mod.index
assert(type(idx) == "function",
"Invalid controller file found\n" ..
- "The file '" .. c .. "' contains no index() function.\n" ..
+ "The file '" .. path .. "' contains no index() function.\n" ..
"Please make sure that the controller contains a valid " ..
"index function and verify the spelling!")
end
end
---- Create the dispatching tree from the index.
-- Build the index before if it does not exist yet.
function createtree()
if not index then
return tree
end
---- Register a tree modifier.
--- @param func Modifier function
--- @param order Modifier order value (optional)
function modifier(func, order)
context.modifiers[#context.modifiers+1] = {
func = func,
}
end
---- Clone a node of the dispatching tree to another position.
--- @param path Virtual path destination
--- @param clone Virtual path source
--- @param title Destination node title (optional)
--- @param order Destination node order value (optional)
--- @return Dispatching tree node
function assign(path, clone, title, order)
local obj = node(unpack(path))
obj.nodes = nil
return obj
end
---- Create a new dispatching node and define common parameters.
--- @param path Virtual path
--- @param target Target function to call when dispatched.
--- @param title Destination node title
--- @param order Destination node order value (optional)
--- @return Dispatching tree node
function entry(path, target, title, order)
local c = node(unpack(path))
return c
end
---- Fetch or create a dispatching node without setting the target module or
-- enabling the node.
--- @param ... Virtual path
--- @return Dispatching tree node
function get(...)
return _create_node({...})
end
---- Fetch or create a new dispatching node.
--- @param ... Virtual path
--- @return Dispatching tree node
function node(...)
local c = _create_node({...})
dispatch(path)
end
---- Alias the first (lowest order) page automatically
function firstchild()
return { type = "firstchild", target = _firstchild }
end
---- Create a redirect to another dispatching node.
--- @param ... Virtual path destination
function alias(...)
local req = {...}
return function(...)
end
end
---- Rewrite the first x path values of the request.
--- @param n Number of path values to replace
--- @param ... Virtual path to replace removed path values with
function rewrite(n, ...)
local req = {...}
return function(...)
end
end
---- Create a function-call dispatching target.
--- @param name Target function of local controller
--- @param ... Additional parameters passed to the function
function call(name, ...)
return {type = "call", argv = {...}, name = name, target = _call}
end
require "luci.template".render(self.view)
end
---- Create a template render dispatching target.
--- @param name Template to be rendered
function template(name)
return {type = "template", view = name, target = _template}
end
end
end
---- Create a CBI model dispatching target.
--- @param model CBI model to be rendered
function cbi(model, config)
return {type = "cbi", config = config, model = model, target = _cbi}
end
target:target(unpack(argv))
end
---- Create a combined dispatching target for non argv and argv requests.
--- @param trg1 Overview Target
--- @param trg2 Detail Target
function arcombine(trg1, trg2)
return {type = "arcombine", env = getfenv(), target = _arcombine, targets = {trg1, trg2}}
end
tpl.render("footer")
end
---- Create a CBI form model dispatching target.
--- @param model CBI form model tpo be rendered
function form(model)
return {type = "cbi", model = model, target = _form}
end
---- Access the luci.i18n translate() api.
--- @class function
--- @name translate
--- @param text Text to translate
translate = i18n.translate
---- No-op function used to mark translation entries for menu labels.
-- This function does not actually translate the given argument but
-- is used by build/i18n-scan.pl to find translatable entries.
function _(text)
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