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rename web/ to admin/, along with the web-named build and cli identifiers

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mokhtar
2026-08-16 00:17:58 +02:00
parent 5b3d1cd65c
commit 1e97c80f6b
136 changed files with 196 additions and 196 deletions
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docs/explanation/architecture.md
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@@ -32,7 +32,7 @@ Directories:
| `src/web/` | The admin HTTP layer: `server.zig` (listener), `router.zig`/`routes.zig`, one file per resource under `handlers/`, `auth.zig` (sessions), `sse.zig` (live query fanout), `static.zig` (embedded SPA), `metrics.zig` (Prometheus), `openapi.zig` (served contract), `api_limiter.zig`, `http_util.zig`. |
| `src/platform/` | OS and TLS edges: IP address values, the `std.log` sink (`logging.zig`), `statfs.zig` (free-space query via libc), client TLS over `std.crypto.tls` (`tls_client.zig`), server TLS over vendored Mbed TLS (`tls_server.zig`). |
The SPA source lives in `web/` at the repo root; the build embeds its `dist/` output as the `web_assets` module (`-Dweb-dist`).
The SPA source lives in `admin/` at the repo root; the build embeds its `dist/` output as the `admin_assets` module (`-Dadmin-dist`).
```
main.zig ── cli.zig ── app.zig (composition root)
@@ -123,7 +123,7 @@ The split exists so that the churn of the second database can never endanger the
`web/server.zig` runs one `std.http.Server` per connection over its own accept loop, with a fixed set of pre-allocated connection slots, optionally behind TLS. Over capacity it answers 503 rather than queueing without bound — the admin UI is not the product, and it must not be able to starve DNS.
The SPA is embedded at build time: `static.zig` serves the `web_assets` module — bytes, content type, strong ETag, and a pre-compressed `.gz` sibling where it paid off — via a linear scan with no filesystem access at runtime. (The one exception is `nxdns run --web-dev DIR`, which serves from disk with no cache headers, for developing the SPA against a running server.) `GET /api/queries/live` is server-sent events over chunked transfer, fed by the same `QuerySink` the logger reads. Routing is a flat table (`routes.zig`) matched linearly; a few dozen routes do not justify a trie. The OpenAPI YAML is hand-written, embedded and served at `GET /api/openapi.yaml`, kept honest by tests that assert every served route appears in it.
The SPA is embedded at build time: `static.zig` serves the `admin_assets` module — bytes, content type, strong ETag, and a pre-compressed `.gz` sibling where it paid off — via a linear scan with no filesystem access at runtime. (The one exception is `nxdns run --admin-dev DIR`, which serves from disk with no cache headers, for developing the SPA against a running server.) `GET /api/queries/live` is server-sent events over chunked transfer, fed by the same `QuerySink` the logger reads. Routing is a flat table (`routes.zig`) matched linearly; a few dozen routes do not justify a trie. The OpenAPI YAML is hand-written, embedded and served at `GET /api/openapi.yaml`, kept honest by tests that assert every served route appears in it.
Authentication (`web/auth.zig`): the operator's password is verified against an argon2id PHC string (`web.password_hash`; the plaintext is hashed on import and never stored). A successful login mints a 256-bit token carried in a cookie; the in-memory session table holds only SHA-256 digests of tokens, compared in constant time, capped at 32 sessions with LRU eviction. Nothing is persisted, so a restart logs everyone out — for a household LAN that is a feature, not a gap. Unauthenticated by design: the monitoring endpoints (health, version, metrics), the served OpenAPI contract, login itself, and the static SPA assets, which the router hands to the SPA fallback before any auth check. Everything else requires the cookie, and the API has its own token-bucket rate limiter. See [how-to/set-up-admin-authentication.md](../how-to/set-up-admin-authentication.md).