X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=util%2Fdatamanager.lua;h=08d9d6af2e40541aeab30e97b52f92d4af0872fb;hb=a0dc04ad05a5a436c967383e9ba06d5cc11e2e88;hp=17c614edd8bb0cb5398d1189cb5d0615ddc54c5a;hpb=fd91a78eabf23ca1f3fe0fd3ff1780dee9e5c606;p=prosody.git diff --git a/util/datamanager.lua b/util/datamanager.lua index 17c614ed..08d9d6af 100644 --- a/util/datamanager.lua +++ b/util/datamanager.lua @@ -25,28 +25,23 @@ local serialize = require "util.serialization".serialize; local path_separator = assert ( package.config:match ( "^([^\n]+)" ) , "package.config not in standard form" ) -- Extract directory seperator from package.config (an undocumented string that comes with lua) local lfs = require "lfs"; local prosody = prosody; -local raw_mkdir; -local fallocate; - -if prosody.platform == "posix" then - raw_mkdir = require "util.pposix".mkdir; -- Doesn't trample on umask - fallocate = require "util.pposix".fallocate; -else - raw_mkdir = lfs.mkdir; -end -if not fallocate then -- Fallback - function fallocate(f, offset, len) - -- This assumes that current position == offset - local fake_data = (" "):rep(len); - local ok, msg = f:write(fake_data); - if not ok then - return ok, msg; - end - f:seek("set", offset); - return true; +local raw_mkdir = lfs.mkdir; +local function fallocate(f, offset, len) + -- This assumes that current position == offset + local fake_data = (" "):rep(len); + local ok, msg = f:write(fake_data); + if not ok then + return ok, msg; end -end + f:seek("set", offset); + return true; +end; +pcall(function() + local pposix = require "util.pposix"; + raw_mkdir = pposix.mkdir or raw_mkdir; -- Doesn't trample on umask + fallocate = pposix.fallocate or fallocate; +end); module "datamanager" @@ -282,31 +277,60 @@ function list_load(username, host, datastore) return items; end -function list_stores(username, host) - if not host then - return nil, "bad argument #2 to 'list_stores' (string expected, got nothing)"; +local type_map = { + keyval = "dat"; + list = "list"; +} + +function users(host, store, typ) + typ = type_map[typ or "keyval"]; + local store_dir = format("%s/%s/%s", data_path, encode(host), encode(store)); + + local mode, err = lfs.attributes(store_dir, "mode"); + if not mode then + return function() log("debug", err or (store_dir .. " does not exist")) end + end + local next, state = lfs.dir(store_dir); + return function(state) + for node in next, state do + local file, ext = node:match("^(.*)%.([dalist]+)$"); + if file and ext == typ then + return decode(file); + end + end + end, state; +end + +function stores(username, host, typ) + typ = type_map[typ or "keyval"]; + local store_dir = format("%s/%s/", data_path, encode(host)); + + local mode, err = lfs.attributes(store_dir, "mode"); + if not mode then + return function() log("debug", err or (store_dir .. " does not exist")) end end - local list = {}; - local host_dir = format("%s/%s/", data_path, encode(host)); - for node in lfs.dir(host_dir) do - if not node:match"^%." then -- dots should be encoded, this is probably . or .. - local store = decode(node); - local path = host_dir..node; - if username == true then - if lfs.attributes(path, "mode") == "directory" then - list[#list+1] = store; + local next, state = lfs.dir(store_dir); + return function(state) + for node in next, state do + if not node:match"^%." then + if username == true then + if lfs.attributes(store_dir..node, "mode") == "directory" then + return decode(node); + end + elseif username then + local store = decode(node) + if lfs.attributes(getpath(username, host, store, typ), "mode") then + return store; + end + elseif lfs.attributes(node, "mode") == "file" then + local file, ext = node:match("^(.*)%.([dalist]+)$"); + if ext == typ then + return decode(file) + end end - elseif username then - if lfs.attributes(getpath(username, host, store), "mode") - or lfs.attributes(getpath(username, host, store, "list"), "mode") then - list[#list+1] = store; - end - elseif lfs.attributes(path, "mode") == "file" then - list[#list+1] = store:gsub("%.[dalist]+$",""); end end - end - return list; + end, state; end local function do_remove(path)