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Mr. Meowgi f49069ab01 feat: enhance documentation and configuration for Fumadocs integration

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2026-05-23 03:33:57 -03:00

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title

title
CLI Machine-ID Token

CLI Machine-ID Token

Overview

OmniRoute CLI commands authenticate against the local management API using a HMAC-SHA256(machine-id, salt) token sent via the x-omniroute-cli-token request header.

This allows CLI subcommands (omniroute status, omniroute providers, etc.) to call management endpoints without requiring the user to supply a JWT or password on every invocation.

How it works

getMachineTokenSync() reads the hardware machine ID via node-machine-id (falls back to an empty string on failure, disabling CLI auth).
It computes HMAC-SHA256(machine_id, salt) and returns the full 64-char hex digest — a deterministic, non-reversible token tied to this machine.
The CLI sends the token as x-omniroute-cli-token on every request to http://localhost:<port>/api/....
The server (src/server/authz/policies/management.ts) recomputes the expected token with the same salt and compares via timingSafeEqual to prevent timing-based extraction.

Security properties

Property	Detail
Loopback-only	Accepted only when `Host` is `localhost`, `127.0.0.1`, or `::1`.
Constant-time compare	`crypto.timingSafeEqual` prevents timing attacks.
Non-reversible	HMAC output cannot recover the machine-id.
No `always`-protected bypass	`isAlwaysProtectedPath()` is evaluated before the CLI token check. `/api/shutdown` and `/api/settings/database` always require JWT.
Non-exportable	Token is never written to disk or logged.

Salt rotation

Set OMNIROUTE_CLI_SALT to rotate the derived token without code changes. After rotation, all CLI processes on this machine will use the new token automatically. Useful after a process-list leak that may have exposed the previous derived value.

# Persistent rotation (add to shell profile)
export OMNIROUTE_CLI_SALT="my-secret-salt-2026"

# Verify new token is in use
omniroute status

Default salt: omniroute-cli-auth-v1

Files

File	Purpose
`src/lib/machineToken.ts`	Token derivation (`getMachineTokenSync`)
`src/server/authz/headers.ts`	`CLI_TOKEN_HEADER` constant
`src/server/authz/policies/management.ts`	Server-side verification
`src/server/authz/routeGuard.ts`	Loopback host check (`isLoopbackHost`)

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