prosody
4a9ff4f61796
util/id.lua

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util/id.lua @ 10813:4a9ff4f61796

mod_presence: Send unavailable presence in current thread run `session:dispatch_stanza(pres)` enqueues processing of the stanza in the sessions async thread, but becasue the entire stream close handling is now in that thread it would process the presence after the stream and session was completely closed, leading to weird errors "sent to a resting session". We call core_process_stanza() since this is what :dispatch_stanza calls in the end.
author Kim Alvefur <zash@zash.se>
date Sat, 09 May 2020 00:28:10 +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
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
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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;
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)
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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 {
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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 }