wehub-resource-sync
36 lines
773 B
Lua
36 lines
773 B
Lua
local uuid = require "resty.jit-uuid"
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local re_find = ngx.re.find
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local uuid_regex = "^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$"
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local _M = {}
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--- Generates a v4 uuid.
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-- @function uuid
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-- @return string with uuid
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_M.uuid = uuid.generate_v4
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function _M.is_valid_uuid(str)
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if type(str) ~= 'string' or #str ~= 36 then
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return false
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end
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return re_find(str, uuid_regex, 'ioj') ~= nil
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end
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-- function below is more acurate, but invalidates previously accepted uuids and hence causes
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-- trouble with existing data during migrations.
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-- see: https://github.com/thibaultcha/lua-resty-jit-uuid/issues/8
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-- function _M.is_valid_uuid(str)
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-- return str == "00000000-0000-0000-0000-000000000000" or uuid.is_valid(str)
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--end
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return _M
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