annotate mod_compact_resource/mod_compact_resource.lua @ 5616:59d5fc50f602

mod_http_oauth2: Implement refresh token rotation Makes refresh tokens one-time-use, handing out a new refresh token with each access token. Thus if a refresh token is stolen and used by an attacker, the next time the legitimate client tries to use the previous refresh token, it will not work and the attack will be noticed. If the attacker does not use the refresh token, it becomes invalid after the legitimate client uses it. This behavior is recommended by draft-ietf-oauth-security-topics
author Kim Alvefur <zash@zash.se>
date Sun, 23 Jul 2023 02:56:08 +0200
parents 6f34e51a23f0
children
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1
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2 local base64_encode = require"util.encodings".base64.encode;
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3 local random_bytes = require"util.random".bytes;
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4
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5 local b64url = { ["+"] = "-", ["/"] = "_", ["="] = "" };
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6 local function random_resource()
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7 return base64_encode(random_bytes(8)):gsub("[+/=]", b64url);
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8 end
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9
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10 module:hook("pre-resource-bind", function (event)
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11 event.resource = random_resource();
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12 end);