prosody
b892f5489d79
util/id.lua

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util/id.lua @ 12074:b892f5489d79

mod_smacks: Check if session was really sleeping before logging message It could have been resumed without going into hibernation first, i.e. when the client notices the disconnect before the server, or if it switches networks etc.
author Kim Alvefur <zash@zash.se>
date Sat, 18 Dec 2021 15:45:06 +0100
parent 8016:9546c629289b
child 12110:b5b799a2a10c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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
Kim Alvefur <zash@zash.se>
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2 -- Copyright (C) 2008-2017 Matthew Wild
9546c629289b util.id: New util for producing random identifiers of varying sizes
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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
9546c629289b util.id: New util for producing random identifiers of varying sizes
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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
Kim Alvefur <zash@zash.se>
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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
9546c629289b util.id: New util for producing random identifiers of varying sizes
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14 local b64url = { ["+"] = "-", ["/"] = "_", ["="] = "" };
9546c629289b util.id: New util for producing random identifiers of varying sizes
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15 local function b64url_random(len)
9546c629289b util.id: New util for producing random identifiers of varying sizes
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16 return (s_gsub(base64_encode(random_bytes(len)), "[+/=]", b64url));
9546c629289b util.id: New util for producing random identifiers of varying sizes
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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 {
9546c629289b util.id: New util for producing random identifiers of varying sizes
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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 }