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https://github.com/antos-rde/antos-backend.git
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store package cache in temporal file if unable to create cached file
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DanyLE
parent
8d1d91f054
commit
16cfeb6591
@ -1,119 +1,132 @@
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local packages={}
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local packages = {}
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local vfs = require("vfs")
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local uid = ulib.uid(SESSION.user)
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packages._cache = function(y)
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local p = vfs.ospath(y)
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local f = io.open(p.."/packages.json", "w")
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local has_cache = false
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local i = 1
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local meta = {}
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if f then
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local files = vfs.readDir(y)
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for k,v in pairs(files) do
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if v.type == "dir" then
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local f1 = io.open(vfs.ospath(v.path.."/package.json"))
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if f1 then
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local p = vfs.ospath(y)
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local file_path = p .. "/packages.json"
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local f = io.open(file_path, "w")
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local has_cache = false
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local i = 1
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local meta = {}
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local name = utils.basename(v.path)
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local mt = JSON.decodeString(f1:read("*all"))
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mt.path = v.path
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meta[i] ='"'..name..'":'..JSON.encode(mt)
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i = i+1
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f1:close()
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has_cache = true;
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end
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end
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end
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f:write(table.concat(meta, ","))
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f:close()
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if has_cache == false then
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ulib.delete(p.."/packages.json");
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end
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end
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if not f then
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-- store it is temporal file
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file_path = string.format("%s/%s.packages.json",__api__.tmpdir, enc.sha1(p))
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f = io.open(file_path, "w")
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end
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if f then
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local files = vfs.readDir(y)
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for k, v in pairs(files) do
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if v.type == "dir" then
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local f1 = io.open(vfs.ospath(v.path .. "/package.json"))
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if f1 then
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local name = utils.basename(v.path)
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local mt = JSON.decodeString(f1:read("*all"))
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mt.path = v.path
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meta[i] = '"' .. name .. '":' .. JSON.encode(mt)
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i = i + 1
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f1:close()
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has_cache = true;
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end
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end
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end
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f:write(table.concat(meta, ","))
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f:close()
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if has_cache == false then
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ulib.delete(file_path);
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end
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end
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end
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-- we will change this later
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packages.list = function(paths)
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std.json()
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std.t("{\"result\" : { ")
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local first = true
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--std.f(__ROOT__.."/system/packages.json")
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for k,v in pairs(paths) do
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local osp = vfs.ospath(v.."/packages.json")
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if ulib.exists(osp) == false then
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packages._cache(v)
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std.json()
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std.t("{\"result\" : { ")
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local first = true
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for k, v in pairs(paths) do
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local p = vfs.ospath(v)
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local f1 = p.."/packages.json"
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local f2 = string.format("%s/%s.packages.json",__api__.tmpdir, enc.sha1(p))
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if not ulib.exists(f1) and not ulib.exists(f2) then
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packages._cache(v)
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end
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local osp = f1
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if not ulib.exists(osp) then
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osp = f2
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end
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if ulib.exists(osp) then
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if first == false then
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std.t(",")
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else
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first = false
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end
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std.f(osp)
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end
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end
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std.t("}, \"error\":false}")
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if ulib.exists(osp) then
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if first == false then
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std.t(",")
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else
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first = false
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end
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std.f(osp)
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end
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end
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std.t("}, \"error\":false}")
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end
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-- generate the packages caches
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packages.cache = function(args)
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-- perform a packages caches
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for x,y in pairs(args.paths) do
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packages._cache(y)
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end
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result(true)
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-- perform a packages caches
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for x, y in pairs(args.paths) do
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packages._cache(y)
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end
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result(true)
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end
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-- install a function from zip file
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packages.install = function(args)
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local path = vfs.ospath(args.dest)
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local zip = vfs.ospath(args.zip)
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if(ulib.exists(path) == false) then
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-- create directory if not exist
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ulib.mkdir(path)
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-- change permission
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ulib.chown(path, uid.id, uid.gid)
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end
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-- extract the zip file to it
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if(ulib.unzip(zip, path)) then
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-- read metadata
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local meta = JSON.decodeFile(path.."/metadata.json")
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meta.path = args.dest
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meta.scope = "user"
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local f=io.open(path.."/package.json","w")
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if f then
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f:write(JSON.encode(meta))
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f:close()
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end
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result(true)
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else
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fail("Problem extracting zip file")
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end
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local path = vfs.ospath(args.dest)
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local zip = vfs.ospath(args.zip)
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if (ulib.exists(path) == false) then
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-- create directory if not exist
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ulib.mkdir(path)
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-- change permission
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ulib.chown(path, uid.id, uid.gid)
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end
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-- extract the zip file to it
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if (ulib.unzip(zip, path)) then
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-- read metadata
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local meta = JSON.decodeFile(path .. "/metadata.json")
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meta.path = args.dest
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meta.scope = "user"
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local f = io.open(path .. "/package.json", "w")
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if f then
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f:write(JSON.encode(meta))
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f:close()
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end
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result(true)
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else
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fail("Problem extracting zip file")
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end
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end
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-- uninstall the package
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packages.uninstall = function(path)
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local osf = vfs.ospath(path)
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if(osf and ulib.exists(osf) ) then
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--remove it
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ulib.delete(osf)
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result(true)
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else
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fail("Cannot find package")
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end
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local osf = vfs.ospath(path)
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if (osf and ulib.exists(osf)) then
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-- remove it
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ulib.delete(osf)
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result(true)
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else
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fail("Cannot find package")
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end
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end
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-- set user packages environment
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packages.init = function(paths)
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if(paths) then
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for k,v in pairs(paths) do
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local p = vfs.ospath(v)
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if p and (ulib.exists(p) == false) then
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ulib.mkdir(p)
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-- change permission
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ulib.chown(p, uid.id, uid.gid)
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end
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end
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end
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if (paths) then
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for k, v in pairs(paths) do
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local p = vfs.ospath(v)
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if p and (ulib.exists(p) == false) then
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ulib.mkdir(p)
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-- change permission
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ulib.chown(p, uid.id, uid.gid)
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end
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end
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end
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end
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return packages
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13
libs/vfs.lua
13
libs/vfs.lua
@ -3,19 +3,24 @@ local vfs = {}
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vfs.ospath = function(path)
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local user = SESSION.user
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local prefix = string.match(path, "%a+:/")
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local os_path = nil
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if (prefix ~= nil) then
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local suffix = string.gsub(path, prefix, "")
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if prefix == "home:/" then
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return string.format(VFS_HOME, user) .. '/' .. suffix
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os_path = string.format(VFS_HOME, user) .. '/' .. suffix
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elseif prefix == "desktop:/" then
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return string.format(VFS_HOME, user) .. "/.desktop/" .. suffix
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os_path = string.format(VFS_HOME, user) .. "/.desktop/" .. suffix
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elseif prefix == "shared:/" then
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return require("shared").ospath(ulib.trim(suffix, "/"))
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os_path = require("shared").ospath(ulib.trim(suffix, "/"))
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elseif prefix == "os:/" then
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return WWW_ROOT .. "/" .. suffix
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os_path = WWW_ROOT .. "/" .. suffix
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else
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return nil
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end
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while os_path:match("//") do
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os_path = os_path:gsub("//","/")
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end
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return os_path
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else
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return nil;
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end
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