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mod_compact_resource/mod_compact_resource.lua @ 5448:9d542e86e19a
mod_http_oauth2: Allow requesting a subset of scopes on token refresh
This enables clients to request access tokens with fewer permissions
than the grant they were given, reducing impact of token leak. Clients
could e.g. request access tokens with some privileges and immediately
revoke them after use, or other strategies.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Thu, 11 May 2023 21:40:09 +0200 |
parent | 1761:6f34e51a23f0 |
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local base64_encode = require"util.encodings".base64.encode; local random_bytes = require"util.random".bytes; local b64url = { ["+"] = "-", ["/"] = "_", ["="] = "" }; local function random_resource() return base64_encode(random_bytes(8)):gsub("[+/=]", b64url); end module:hook("pre-resource-bind", function (event) event.resource = random_resource(); end);