/usr/share/lua/5.1/xavante/davFileRepository.lua is in xavante 2.3.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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-- Xavante webDAV file repository
-- Author: Javier Guerra
-- Copyright (c) 2005 Javier Guerra
-----------------------------------------------------------------------------
local lfs = require "lfs"
require "xavante.mime"
local source_mt = { __index = {} }
local source = source_mt.__index
local resource_mt = { __index = {} }
local resource = resource_mt.__index
function source:getRoot ()
return self.rootDir
end
function source:getResource (rootUrl, path)
local diskpath = self.rootDir .. path
if diskpath:sub(-1) == '/' then
diskpath = diskpath:sub(1, -2)
end
local attr = lfs.attributes (diskpath)
if not attr then return end
local _,_,pfx = string.find (rootUrl, "^(.*/)[^/]-$")
if attr.mode == "directory" and string.sub (path, -1) ~= "/" then
path = path .."/"
end
return setmetatable ({
source = self,
path = path,
diskpath = diskpath,
attr = attr,
pfx = pfx
}, resource_mt)
end
function source:createResource (rootUrl, path)
local diskpath = self.rootDir .. path
if diskpath:sub(-1) == '/' then
diskpath = diskpath:sub(1, -2)
end
local attr = lfs.attributes (diskpath)
if not attr then
io.open (diskpath, "wb"):close ()
attr = lfs.attributes (diskpath)
end
local _,_,pfx = string.find (rootUrl, "^(.*/)[^/]-$")
return setmetatable ({
source = self,
path = path,
diskpath = diskpath,
attr = attr,
pfx = pfx
}, resource_mt)
end
function source:createCollection (rootUrl, path)
local diskpath = self.rootDir .. path
return lfs.mkdir (diskpath)
end
local _liveprops = {}
_liveprops["DAV:creationdate"] = function (self)
return os.date ("!%a, %d %b %Y %H:%M:%S GMT", self.attr.change)
end
_liveprops["DAV:displayname"] = function (self)
local name = ""
for part in string.gfind (self.path, "[^/]+") do
name = part
end
return name
end
_liveprops["DAV:source"] = function (self)
return self:getHRef ()
end
_liveprops["DAV:supportedlock"] = function (self)
return [[<D:lockentry>
<D:lockscope><D:exclusive/></D:lockscope>
<D:locktype><D:write/></D:locktype>
</D:lockentry>
<D:lockentry>
<D:lockscope><D:shared/></D:lockscope>
<D:locktype><D:write/></D:locktype>
</D:lockentry>]]
end
_liveprops["DAV:getlastmodified"] = function (self)
return os.date ("!%a, %d %b %Y %H:%M:%S GMT", self.attr.modification)
end
_liveprops["DAV:resourcetype"] = function (self)
if self.attr.mode == "directory" then
return "<D:collection/>"
else
return ""
end
end
_liveprops["DAV:getcontenttype"] = function (self)
return self:getContentType ()
end
_liveprops["DAV:getcontentlength"] = function (self)
return self:getContentSize ()
end
function resource:getContentType ()
if self.attr.mode == "directory" then
return "httpd/unix-directory"
end
local _,_,exten = string.find (self.path, "%.([^.]*)$")
exten = exten or ""
return xavante.mimetypes [exten] or ""
end
function resource:getContentSize ()
if self.attr.mode == "file" then
return self.attr.size
else return 0
end
end
function resource:getContentData ()
local function gen ()
local f = io.open (self.diskpath, "rb")
if not f then
return
end
local block
repeat
block = f:read (8192)
if block then
coroutine.yield (block)
end
until not block
f:close ()
end
return coroutine.wrap (gen)
end
function resource:addContentData (b)
local f = assert (io.open (self.diskpath, "a+b"))
f:seek ("end")
f:write (b)
f:close ()
end
function resource:delete ()
local ok, err = os.remove (self.diskpath)
if not ok then
err = string.format ([[HTTP/1.1 424 %s]], err)
end
return ok, err
end
function resource:getItems (depth)
local gen
local path = self.path
local diskpath = self.diskpath
local rootdir = self.source.rootDir
if depth == "0" then
gen = function () coroutine.yield (self) end
elseif depth == "1" then
gen = function ()
if self.attr.mode == "directory" then
if string.sub (diskpath, -1) ~= "/" then
diskpath = diskpath .."/"
end
if string.sub (path, -1) ~= "/" then
path = path .."/"
end
for entry in lfs.dir (diskpath) do
if string.sub (entry, 1,1) ~= "." then
coroutine.yield (self.source:getResource (self.pfx, path..entry))
end
end
end
coroutine.yield (self)
end
else
local function recur (p)
local attr = assert (lfs.attributes (rootdir .. p))
if attr.mode == "directory" then
for entry in lfs.dir (rootdir .. p) do
if string.sub (entry, 1,1) ~= "." then
recur (p.."/"..entry)
end
end
coroutine.yield (self.source:getResource (self.pfx, p))
end
end
gen = function () recur (path) end
end
if gen then return coroutine.wrap (gen) end
end
function resource:getPath ()
return self.path
end
function resource:getHRef ()
local _,_,sfx = string.find (self.path, "^/*(.*)$")
return self.pfx..sfx
end
function resource:getPropNames ()
return pairs (_liveprops)
end
function resource:getProp (propname)
local liveprop = _liveprops [propname]
if liveprop then
return liveprop (self)
end
end
function resource:setProp (propname, value)
return false
end
local M = {}
function M.makeSource (params)
params = params or {}
params.rootDir = params.rootDir or "."
return setmetatable (params, source_mt)
end
return M
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