prosody-modules
0a257d1402c3
mod_compact_resource/mod_compact_resource.lua

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mod_compact_resource/mod_compact_resource.lua @ 4813:0a257d1402c3

mod_muc_rtbl: Optimize case with zero hashes On the assumption that during quiet times between torrents of spam, the hash set would be empty. There would be no point in doing the operations and hashes to check for a match in that case.
author Kim Alvefur <zash@zash.se>
date Mon, 06 Dec 2021 18:19:19 +0100
parent 1761:6f34e51a23f0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1761
6f34e51a23f0 mod_compact_resource: Enforces short random resources
Kim Alvefur <zash@zash.se>
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1
6f34e51a23f0 mod_compact_resource: Enforces short random resources
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2 local base64_encode = require"util.encodings".base64.encode;
6f34e51a23f0 mod_compact_resource: Enforces short random resources
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3 local random_bytes = require"util.random".bytes;
6f34e51a23f0 mod_compact_resource: Enforces short random resources
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4
6f34e51a23f0 mod_compact_resource: Enforces short random resources
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5 local b64url = { ["+"] = "-", ["/"] = "_", ["="] = "" };
6f34e51a23f0 mod_compact_resource: Enforces short random resources
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6 local function random_resource()
6f34e51a23f0 mod_compact_resource: Enforces short random resources
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7 return base64_encode(random_bytes(8)):gsub("[+/=]", b64url);
6f34e51a23f0 mod_compact_resource: Enforces short random resources
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8 end
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9
6f34e51a23f0 mod_compact_resource: Enforces short random resources
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10 module:hook("pre-resource-bind", function (event)
6f34e51a23f0 mod_compact_resource: Enforces short random resources
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11 event.resource = random_resource();
6f34e51a23f0 mod_compact_resource: Enforces short random resources
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12 end);