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-- acf model for displaying logfiles recusivly
module (..., package.seeall)
require("fs")
-- no initializer in model - use controller.init for that
-- Function to get detailed information on a specific file.
local function file_info ( path )
-- Check if file is in use
local st = fs.stat(path)
local size = st.size
local lastmod = st.mtime
local file_inuse = io.popen("fuser " .. path )
local fileinuseresult = file_inuse:read("*a") or "unkown"
file_inuse:close()
if fileinuseresult == "" then
fileinuseresult = "Delete"
fileinuseurl = "/delete?name=" .. path
else
fileinuseresult = "in use"
fileinuseurl = nil
end
return lastmod,size,fileinuseresult,fileinuseurl
end
-- Function to recursively inserts all filenames in a dir into an array
local function recursedir(path, filearray)
local k,v
for k,v in pairs(posix.dir(path) or {}) do
-- Ignore files that begins with a '.'
if not string.match(v, "^%.") then
local f = path .. "/" .. v
-- If subfolder exists, list files in this subfolder
if (posix.stat(f).type == "directory") then
recursedir(f, filearray)
else
table.insert(filearray, f)
end
end
end
end
-- Function to list available files for view/delete
local function list_files ( ... )
local listed_files = {}
local open_files = {}
local files = {}
local k,v
-- Generate a singe table with all the files
for k,v in pairs{...} do
recursedir(v, files)
end
-- Loop through each file and present its info
for k,v in pairs(files) do
-- Get info on this specific file and put it in a table
local lastmod,size,fileinuseresult,fileinuseurl = file_info(v)
table.insert ( listed_files , cfe{inuse=fileinuseresult, del=fileinuseurl, save="/download?name=" .. v,
view="/view?name=" .. v, size=size, lastmod=lastmod, name=v, type="", id=k} )
end
table.sort(listed_files, function (a,b) return (a.name < b.name) end )
return listed_files
end
-- Function to check if a file is deletable, and if it is, then delete it.
local function checkfilefordelete ( filetodelete )
local deletedfile = {}
deletedfile = {value=nil, type="text", option=nil, errtxt="File '" .. filetodelete .. "' has not been deleted!"}
-- Get a list of files that could be deleted
local available_files = get()
for k,v in pairs(available_files) do
if ( available_files[k].name == filetodelete ) then
-- Check if file is deletable (or in use)
if ( available_files[k].del ) then
local status, err = os.remove( filetodelete )
if not ( err ) then
deletedfile = {value="File '" .. filetodelete .. "' has been successfully deleted!", type="text"}
else
deletedfile = {value=nil, type="text", option=nil, errtxt=err}
end
else
end
end
end
return deletedfile
end
local function checkfileforview ( path )
local filecontent = nil
local available_files = get()
for k,v in pairs(available_files) do
if ( available_files[k].name == path ) then
filecontent = path
end
end
return filecontent
end
function get_filedetails(self,path)
local filedetails = {}
if (checkfileforview(path)) then
filedetails.details = fs.stat(path)
filedetails.value = fs.read_file(path)
filedetails.name = basename(path)
end
return filedetails
end
get = function (self)
-- These folders (and their subfolers) are going to be listed
return list_files( "/var/log", "/tmp/squid/log" )
end
delete = function (self,filetodelete)
return checkfilefordelete( filetodelete )
end
view = function (self,filetoview)
return checkfileforview( filetoview )
end
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