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util.datamanager: Encode the 'store' path component, preserving underscores

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This commit is contained in:
Kim Alvefur 2017-10-08 18:34:57 +02:00
parent 1245e980da
commit 2572082717
1 changed files with 8 additions and 1 deletions
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9
util/datamanager.lua
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@ -42,7 +42,7 @@ end);
local _ENV = nil;
---- utils -----
local encode, decode;
local encode, decode, store_encode;
do
local urlcodes = setmetatable({}, { __index = function (t, k) t[k] = char(tonumber(k, 16)); return t[k]; end });
@ -53,6 +53,12 @@ do
encode = function (s)
return s and (s:gsub("%W", function (c) return format("%%%02x", c:byte()); end));
end
-- Special encode function for store names, which historically were unencoded.
-- All currently known stores use a-z and underscore, so this one preserves underscores.
store_encode = function (s)
return s and (s:gsub("[^_%w]", function (c) return format("%%%02x", c:byte()); end));
end
end
if not atomic_append then
@ -119,6 +125,7 @@ local function getpath(username, host, datastore, ext, create)
ext = ext or "dat";
host = (host and encode(host)) or "_global";
username = username and encode(username);
datastore = store_encode(datastore);
if username then
if create then mkdir(mkdir(mkdir(data_path).."/"..host).."/"..datastore); end
return format("%s/%s/%s/%s.%s", data_path, host, datastore, username, ext);