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local mymodule = {}
-- Load libraries
fs = require("acf.fs")
format = require("acf.format")
processinfo = require("acf.processinfo")
posix = require("posix")
subprocess = require("subprocess")
function mymodule.getenabled(servicename)
local result = cfe({ label = "Program status", name=servicename })
result.value, result.errtxt = processinfo.daemoncontrol(servicename, "status")
if string.find(result.value, ": not found") then
result.value = ""
result.errtxt = "Program not installed"
else
result.value = string.gsub(result.value, "* status: ", "")
result.value = string.gsub(result.value, "^%l", string.upper)
end
return result
end
function mymodule.get_startstop(servicename)
local service = cfe({ type="hidden", value=servicename, label="Service Name" })
local actions, descr = processinfo.daemon_actions(servicename)
local errtxt
if not actions then
errtxt = descr
else
for i,v in ipairs(actions) do
actions[i] = v:gsub("^%l", string.upper)
end
end
return cfe({ type="group", label="Management", value={servicename=service}, option=actions, errtxt=errtxt })
end
function mymodule.startstop_service(startstop, action)
if not action then
startstop.errtxt = "Invalid Action"
else
local reverseactions = {}
for i,act in ipairs(startstop.option) do reverseactions[string.lower(act)] = i end
if reverseactions[string.lower(action)] then
local cmdresult, errtxt = processinfo.daemoncontrol(startstop.value.servicename.value, string.lower(action))
startstop.descr = cmdresult
startstop.errtxt = errtxt
else
startstop.errtxt = "Unknown command!"
end
end
return startstop
end
function mymodule.getstatus(servicename, packagename, label)
local status = {}
if packagename then
local value, errtxt = processinfo.package_version(packagename)
status.version = cfe({
label="Program version",
value=value,
errtxt=errtxt,
name=packagename
})
end
if servicename then
status.status = mymodule.getenabled(servicename)
local autostart_value, autostart_errtxt = processinfo.process_autostart(servicename)
status.autostart = cfe({
label="Autostart status",
value=autostart_value,
errtxt=autostart_errtxt,
name=servicename
})
end
return cfe({ type="group", value=status, label=label })
end
function mymodule.getfiledetails(file, validatefilename, validatefiledetails)
local filename = cfe({ value=file or "", label="File name" })
local filecontent = cfe({ type="longtext", label="File content" })
local filesize = cfe({ value="0", label="File size" })
local mtime = cfe({ value="---", label="File date" })
local filedetails = cfe({ type="group", value={filename=filename, filecontent=filecontent, filesize=filesize, mtime=mtime}, label="Config file details" })
local success = true
if type(validatefilename) == "function" then
success = validatefilename(filedetails.value.filename.value)
if not success then
filedetails.value.filename.errtxt = "Invalid File"
end
elseif type(validatefilename) == "table" then
success = false
filedetails.value.filename.errtxt = "Invalid File"
for i,f in ipairs(validatefilename) do
if f == filedetails.value.filename.value then
success = true
filedetails.value.filename.errtxt = nil
end
end
end
if success then
if fs.is_file(file) then
local filedetails = fs.stat(file)
filecontent.value = fs.read_file(file) or ""
filesize.value = filedetails.size
mtime.value = filedetails.mtime
else
filename.errtxt = "File not found"
end
if validatefiledetails then
success, filedetails = validatefiledetails(filedetails)
end
end
return filedetails
end
function mymodule.setfiledetails(self, filedetails, validatefilename, validatefiledetails)
filedetails.value.filecontent.value = string.gsub(format.dostounix(filedetails.value.filecontent.value), "\n+$", "")
local success = true
if type(validatefilename) == "function" then
success = validatefilename(filedetails.value.filename.value)
if not success then
filedetails.value.filename.errtxt = "Invalid File"
end
elseif type(validatefilename) == "table" then
success = false
filedetails.value.filename.errtxt = "Invalid File"
for i,f in ipairs(validatefilename) do
if f == filedetails.value.filename.value then
success = true
filedetails.value.filename.errtxt = nil
end
end
end
if success and type(validatefiledetails) == "function" then
success, filedetails = validatefiledetails(filedetails)
end
if success then
--fs.write_file(filedetails.value.filename.value, filedetails.value.filecontent.value)
mymodule.write_file_with_audit(self, filedetails.value.filename.value, filedetails.value.filecontent.value)
filedetails = mymodule.getfiledetails(filedetails.value.filename.value)
else
filedetails.errtxt = "Failed to set file"
end
return filedetails
end
function mymodule.validateselect(select)
for i,option in ipairs(select.option) do
if type(option) == "string" and option == select.value then
return true
elseif type(option) == "table" and option.value == select.value then
return true
end
end
select.errtxt = "Invalid selection"
return false
end
function mymodule.validatemulti(multi)
local reverseoption = {}
for i,option in ipairs(multi.option) do
if type(option) == "string" then
reverseoption[option] = i
else
reverseoption[option.value] = i
end
end
for i,value in ipairs(multi.value) do
if not reverseoption[value] then
multi.errtxt = "Invalid selection"
return false
end
end
return true
end
function mymodule.write_file_with_audit (self, path, str)
if self then
local pre = ""
local post = ""
local tmpfile = (self.conf.sessiondir or "/tmp/") ..
(self.sessiondata.userinfo.userid or "unknown") .. "-" ..
os.time() .. ".tmp"
if type(self.conf) == "table" then
-- we make temporary globals for expand_bash_syntax_vars
local a,b,c = TEMPFILE,CONFFILE,_G.self
TEMPFILE=tmpfile
CONFFILE=path
_G.self=self
pre = self.conf.audit_precommit or ""
post = self.conf.audit_postcommit or ""
local m = self.conf.app_hooks[self.conf.controller] or {}
if m.audit_precommit then pre = m.audit_precommit end
if m.audit_postcommit then post = m.audit_postcommit end
m=nil
if (type(pre) == "string") then
pre = format.expand_bash_syntax_vars(pre)
end
if type (post) == "string" then
post = format.expand_bash_syntax_vars(post)
end
TEMPFILE,CONFFILE,_G.self = a,b,c
end
fs.write_file(tmpfile,str)
fs.copy_properties(path, tmpfile)
if (type(pre) == "string" and #pre) then
os.execute(pre)
elseif (type(pre) == "function") then
pre(self, path, tmpfile)
end
fs.move_file(tmpfile, path)
if (type(post) == "string" and #post) then
os.execute(post)
elseif (type(post) == "function") then
post(self, path, tmpfile)
end
else
fs.write_file(path,str)
end
return
end
-- Run an executable and return the output and errtxt
-- args should be an array where args[1] is the executable
-- output will never be nil
-- errtxt will be nil for success and non-nil for failure
-- if include_err, then stderr will be prepended to stdout (if executable doesn't fail)
mymodule.run_executable = function(args, include_err, input)
local output = ""
local errtxt
local res, err = pcall(function()
-- For security, set the path
posix.setenv("PATH", "/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin")
if input then
args.stdin = subprocess.PIPE
else
args.stdin = "/dev/null"
end
args.stdout = subprocess.PIPE
args.stderr = subprocess.PIPE
local proc, errmsg, errno = subprocess.popen(args)
if proc then
if input then
proc.stdin:write(input)
proc.stdin:close()
end
local out = {}
local err = {}
function readpipes()
local o = proc.stdout:read("*a")
if o ~= "" then out[#out+1] = o end
local e = proc.stderr:read("*a")
if e ~= "" then err[#err+1] = e end
end
while nil == proc:poll() do
readpipes()
posix.sleep(0)
end
readpipes()
proc:wait()
proc.stdout:close()
proc.stderr:close()
output = table.concat(out, "") or ""
if proc.exitcode == 0 and include_err and #err > 0 then
output = table.concat(err, "")..output
elseif proc.exitcode ~= 0 then
errtxt = table.concat(err, "") or "Unknown error"
end
else
errtxt = errmsg or "Unknown failure"
end
end)
if not res or err then
errtxt = err or "Unknown failure"
end
return output, errtxt
end
return mymodule
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