---[[
-LuCI - Configuration Bind Interface
-
-Description:
-Offers an interface for binding configuration values to certain
-data types. Supports value and range validation and basic dependencies.
-
-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.
+-- Copyright 2008 Steven Barth <steven@midlink.org>
+-- Licensed to the public under the Apache License 2.0.
-]]--
module("luci.cbi", package.seeall)
require("luci.template")
local fs = require("nixio.fs")
local uci = require("luci.model.uci")
local datatypes = require("luci.cbi.datatypes")
+local dispatcher = require("luci.dispatcher")
local class = util.class
local instanceof = util.instanceof
require("luci.config")
require("luci.util")
- local upldir = "/lib/uci/upload/"
+ local upldir = "/etc/luci-uploads/"
local cbidir = luci.util.libpath() .. "/model/cbi/"
local func, err
self.changed = false
- if not self.uci:load(self.config) then
- error("Unable to read UCI data: " .. self.config)
+ local path = "%s/%s" %{ self.uci:get_confdir(), self.config }
+ if fs.stat(path, "type") ~= "reg" then
+ fs.writefile(path, "")
+ end
+
+ local ok, err = self.uci:load(self.config)
+ if not ok then
+ local url = dispatcher.build_url(unpack(dispatcher.context.request))
+ local source = self:formvalue("cbi.source")
+ if type(source) == "string" then
+ fs.writefile(path, source:gsub("\r\n", "\n"))
+ ok, err = self.uci:load(self.config)
+ if ok then
+ luci.http.redirect(url)
+ end
+ end
+ self.save = false
+ end
+
+ if not ok then
+ self.template = "cbi/error"
+ self.error = err
+ self.source = fs.readfile(path) or ""
+ self.pageaction = false
end
end
-- Use optimized UCI writing
function Map.parse(self, readinput, ...)
- self.readinput = (readinput ~= false)
- self:_run_hooks("on_parse")
-
if self:formvalue("cbi.skip") then
self.state = FORM_SKIP
+ elseif not self.save then
+ self.state = FORM_INVALID
+ elseif not self:submitstate() then
+ self.state = FORM_NODATA
+ end
+
+ -- Back out early to prevent unauthorized changes on the subsequent parse
+ if self.state ~= nil then
return self:state_handler(self.state)
end
+ self.readinput = (readinput ~= false)
+ self:_run_hooks("on_parse")
+
Node.parse(self, ...)
- if self.save then
- self:_run_hooks("on_save", "on_before_save")
+ self:_run_hooks("on_save", "on_before_save")
+ for i, config in ipairs(self.parsechain) do
+ self.uci:save(config)
+ end
+ self:_run_hooks("on_after_save")
+ if (not self.proceed and self.flow.autoapply) or luci.http.formvalue("cbi.apply") then
+ self:_run_hooks("on_before_commit")
for i, config in ipairs(self.parsechain) do
- self.uci:save(config)
- end
- self:_run_hooks("on_after_save")
- if self:submitstate() and ((not self.proceed and self.flow.autoapply) or luci.http.formvalue("cbi.apply")) then
- self:_run_hooks("on_before_commit")
- for i, config in ipairs(self.parsechain) do
- self.uci:commit(config)
-
- -- Refresh data because commit changes section names
- self.uci:load(config)
- end
- self:_run_hooks("on_commit", "on_after_commit", "on_before_apply")
- if self.apply_on_parse then
- self.uci:apply(self.parsechain)
- self:_run_hooks("on_apply", "on_after_apply")
- else
- -- This is evaluated by the dispatcher and delegated to the
- -- template which in turn fires XHR to perform the actual
- -- apply actions.
- self.apply_needed = true
- end
-
- -- Reparse sections
- Node.parse(self, true)
+ self.uci:commit(config)
+ -- Refresh data because commit changes section names
+ self.uci:load(config)
end
- for i, config in ipairs(self.parsechain) do
- self.uci:unload(config)
- end
- if type(self.commit_handler) == "function" then
- self:commit_handler(self:submitstate())
+ self:_run_hooks("on_commit", "on_after_commit", "on_before_apply")
+ if self.apply_on_parse then
+ self.uci:apply(self.parsechain)
+ self:_run_hooks("on_apply", "on_after_apply")
+ else
+ -- This is evaluated by the dispatcher and delegated to the
+ -- template which in turn fires XHR to perform the actual
+ -- apply actions.
+ self.apply_needed = true
end
+
+ -- Reparse sections
+ Node.parse(self, true)
+ end
+ for i, config in ipairs(self.parsechain) do
+ self.uci:unload(config)
+ end
+ if type(self.commit_handler) == "function" then
+ self:commit_handler(self:submitstate())
end
- if self:submitstate() then
- if not self.save then
- self.state = FORM_INVALID
- elseif self.proceed then
- self.state = FORM_PROCEED
- else
- self.state = self.changed and FORM_CHANGED or FORM_VALID
- end
+ if self.proceed then
+ self.state = FORM_PROCEED
+ elseif self.changed then
+ self.state = FORM_CHANGED
else
- self.state = FORM_NODATA
+ self.state = FORM_VALID
end
return self:state_handler(self.state)
self.template = "cbi/value"
self.keylist = {}
self.vallist = {}
+ self.readonly = nil
end
function Value.reset_values(self)
table.insert(self.vallist, tostring(val))
end
+function Value.parse(self, section, novld)
+ if self.readonly then return end
+ AbstractValue.parse(self, section, novld)
+end
-- DummyValue - This does nothing except being there
DummyValue = class(AbstractValue)
end
-- A flag can only have two states: set or unset
-function Flag.parse(self, section)
+function Flag.parse(self, section, novld)
local fexists = self.map:formvalue(
FEXIST_PREFIX .. self.config .. "." .. section .. "." .. self.option)
if fexists then
local fvalue = self:formvalue(section) and self.enabled or self.disabled
- if fvalue ~= self.default or (not self.optional and not self.rmempty) then
- self:write(section, fvalue)
- else
+ local cvalue = self:cfgvalue(section)
+ local val_err
+ fvalue, val_err = self:validate(fvalue, section)
+ if not fvalue then
+ if not novld then
+ self:add_error(section, "invalid", val_err)
+ end
+ return
+ end
+ if fvalue == self.default and (self.optional or self.rmempty) then
self:remove(section)
+ else
+ self:write(section, fvalue)
end
+ if (fvalue ~= cvalue) then self.section.changed = true end
else
self:remove(section)
+ self.section.changed = true
end
end
function Flag.cfgvalue(self, section)
return AbstractValue.cfgvalue(self, section) or self.default
end
-
+function Flag.validate(self, value)
+ return value
+end
--[[
ListValue - A one-line value predefined in a list