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mod_http_oauth2: Implement stateless dynamic client registration Replaces previous explicit registration that required either the additional module mod_adhoc_oauth2_client or manually editing the database. That method was enough to have something to test with, but would not probably not scale easily. Dynamic client registration allows creating clients on the fly, which may be even easier in theory. In order to not allow basically unauthenticated writes to the database, we implement a stateless model here. per_host_key := HMAC(config -> oauth2_registration_key, hostname) client_id := JWT { client metadata } signed with per_host_key client_secret := HMAC(per_host_key, client_id) This should ensure everything we need to know is part of the client_id, allowing redirects etc to be validated, and the client_secret can be validated with only the client_id and the per_host_key. A nonce injected into the client_id JWT should ensure nobody can submit the same client metadata and retrieve the same client_secret

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summary: S2S connection override
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# Introduction

This module is similar to [mod\_srvinjection] but less of an hack.

# Configuration

``` lua
-- In the global section

modules_enabled = {
    --- your other modules
    "s2soutinjection";
}

-- targets must be IPs, not hostnames
s2s_connect_overrides = {
    -- This one will use the default port, 5269
    ["example.com"] = "1.2.3.4";

    -- To set a different port:
    ["another.example"] = { "127.0.0.1", 9999 };
}
```

# Compatibility

Requires 0.9.x or later. Tested on 0.12.0