prosody
fceebfb28d86
util/id.lua

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util/id.lua @ 11864:fceebfb28d86

mod_http_file_share: Clean up incomplete uploads If the request fails in the middle then the file~ could be left behind because no code was invoked to delete it then. This gets rid of it when the request is removed. It may still be left in case of an unclean shutdown.
author Kim Alvefur <zash@zash.se>
date Sat, 23 Oct 2021 01:53:07 +0200
parent 8016:9546c629289b
child 12110:b5b799a2a10c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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8016
9546c629289b util.id: New util for producing random identifiers of varying sizes
Kim Alvefur <zash@zash.se>
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1 -- Prosody IM
9546c629289b util.id: New util for producing random identifiers of varying sizes
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2 -- Copyright (C) 2008-2017 Matthew Wild
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3 -- Copyright (C) 2008-2017 Waqas Hussain
9546c629289b util.id: New util for producing random identifiers of varying sizes
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4 -- Copyright (C) 2008-2017 Kim Alvefur
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5 --
9546c629289b util.id: New util for producing random identifiers of varying sizes
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6 -- This project is MIT/X11 licensed. Please see the
9546c629289b util.id: New util for producing random identifiers of varying sizes
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7 -- COPYING file in the source package for more information.
9546c629289b util.id: New util for producing random identifiers of varying sizes
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8 --
9546c629289b util.id: New util for producing random identifiers of varying sizes
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9
9546c629289b util.id: New util for producing random identifiers of varying sizes
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10 local s_gsub = string.gsub;
9546c629289b util.id: New util for producing random identifiers of varying sizes
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11 local random_bytes = require "util.random".bytes;
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12 local base64_encode = require "util.encodings".base64.encode;
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13
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14 local b64url = { ["+"] = "-", ["/"] = "_", ["="] = "" };
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15 local function b64url_random(len)
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16 return (s_gsub(base64_encode(random_bytes(len)), "[+/=]", b64url));
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17 end
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18
9546c629289b util.id: New util for producing random identifiers of varying sizes
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19 return {
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20 short = function () return b64url_random(6); end;
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21 medium = function () return b64url_random(12); end;
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22 long = function () return b64url_random(24); end;
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23 custom = function (size)
9546c629289b util.id: New util for producing random identifiers of varying sizes
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24 return function () return b64url_random(size); end;
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25 end;
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26 }