Add host-verified invocation authentication to V10 - #5892
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This was referenced Sep 8, 2026
Keep ENV metadata at section 15 and move draft capabilities to section 16. Regenerate module-library definitions together and preserve explicit host authority through canonical procedure namespace resolution.
Keep ENV imports at Wasm10.6 and JS2.2 and move invocation authority to Wasm10.7 and JS2.3. Preserve Environment15 and Capabilities16. Carry the reviewed sealed Rust ENV trait, module-library fixes, and CLI extraction/output changes. Preserve .NET10 NativeAOT linkage for the authorization import alongside ENV. Validated all five actual ENV cases, actual Wasm and V8 authority checks, four module libraries, Rust compile diagnostics, and scoped lint.
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Description of Changes
Makes
sender_auth.is_internal()mean that the host invoked the function, rather than guessing from the absence of a client connection ID. A client call without a connection ID must still be treated as external. This is a prerequisite for container hosting: a container can call reducers as its database's identity without receiving the privileges of the host itself.The host now records whether each reducer or procedure call is internal. A new syscall exposes that flag to the Rust, TypeScript, C#, and C++ module libraries, which use it to construct the call's authentication context, including inside procedure transactions.
Modules also declare a
hosted_auth_v1marker to indicate that they implement these rules. The container-hosting PR will use it to reject modules built with older libraries that still infer internal status from connection IDs. This PR adds the marker; it does not yet enforce that container requirement.Includes the separate HTTP handler fix #5978 and C++ JWT-reading fix #5977, which should merge first. Private companion: #3941. Function visibility changes are separate in #5958.
API and ABI breaking changes
Extends V10 with the authentication syscall and module marker. Newly compiled modules require an updated host. This does not introduce V11 or change visibility defaults or V9 schema exports.
is_internal()andhas_jwt()become independent: an internal call can have a JWT.JwtClaims::identity()returns the sender identity verified by the host instead of deriving it from the token's claims. The HTTP-handler behavior change is covered separately in #5978.Rollback safety impact
Requires merged ENV #5887. Before rolling back to an older host, restore module builds that do not use the new syscall or marker.
Expected complexity level and risk
3/5. Changes the authentication information modules use to authorize calls. Lifecycle functions remain restricted to host invocation.
Testing
Rust, TypeScript, C#, and C++ authentication tests cover external and internal calls and transaction contexts. Wasm/V8 invocation tests and the downstream container-call authentication and revocation test have passed.