prosody
4db4bd8a7822
util/id.lua

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util/id.lua @ 10751:4db4bd8a7822

mod_mam: Don't store any groupchat messages The intent was to not store MUC groupchat messages, which are sent from the MUC to local full JIDs, while allowing for potential future account based group chat. However, since this function handles messages in both directions and outgoing MUC messages are sent to the bare room JID, those were stored.
author Kim Alvefur <zash@zash.se>
date Thu, 23 Apr 2020 00:55:34 +0200
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
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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
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
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8 --
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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;
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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
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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 }