João Salavisa
e145d48f22
* feat: add plugin system with grpc runtime and native ui plugins - go plugin backends ship as release tarballs (per-platform binaries, checksums) that kandev installs from url/upload or filesystem sideload+sync, then spawns and supervises via hashicorp/go-plugin (unix socket / loopback tcp+automtls) - strict typed grpc contract (kandev.plugin.v1): DeliverEvent/InvokeTool/HandleWebhook plus a capability-gated host service (state, secrets, emit); author sdk in pkg/pluginsdk; packaging cli in cmd/plugin-pack - native frontend bundles: window.registerKandevPlugin + registry/host loader with dynamic routes, nav items, slots and ws handlers; plugins settings page with install dialog, sync button and enable/disable/uninstall - gated behind the plugins feature flag (prod off, dev/e2e on); covered by unit and integration tests plus playwright e2e against a real packaged fixture plugin Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> * fix(plugins): hydrate base app context on plugin routes Plugin-owned SPA routes classify as RouteUnknown, so the boot payload shipped only feature flags — no workspaces, workflows, or kanban context. Native plugin UI (e.g. host.ui.TaskCreateDialog) then had an empty store. Hydrate the same base context as the Home route for unknown SPA routes. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> * feat(plugins): expose TaskCreateDialog on host.ui Lets a native plugin open kandev's real create-task modal (prefilled via initialValues) instead of POSTing directly. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> * fix(plugins): harden filesystem/URL sinks against CodeQL findings Add sink-level guards on the plugin trust boundary: securejoin containment on archive extraction (zip-slip), plugin-id validation before every fs_store path, http/https scheme validation on install-from-URL, and non-interpolated ws-handler error logging. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> * fix(plugins): address review findings (races, resource caps, lifecycle) - serialize per-plugin startup to close a TOCTOU double-spawn race, and let a plugin restart after exhausting attempts - bound plugin startup with an explicit 30s timeout - reject backslash paths and cap decompressed bytes by actual size in pkgtar; only mark a package Signed when a verifier actually ran and passed - delete plugin_state on uninstall; validate webhook keys against the manifest and cap webhook body size; restart an active plugin when a new version installs Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> * fix(plugins): sanitize plugin-id path sinks for CodeQL Pin the plugin id to a single path segment with filepath.Base at recordPath/ configPath and pkgtar.Remove — a barrier the taint analysis recognizes. Behaviour-identical for valid ids (already validated by safePluginID); clears the go/path-injection alerts. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> * fix(plugins): inline plugin-id validation at path sinks for CodeQL filepath.Base does not strip '..', so it is not a path-injection barrier. Call the recognized safePluginID / id-pattern guard inline in Delete/GetConfig/ SetConfig and pkgtar.Remove — the same barrier that already cleared the Get sink. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> * fix(plugins): address code-review findings (backend) - add capability-gating tests for the Host RPC service (was untested) - close a stop-during-start orphan race so Disable/Uninstall can't leave a supervised subprocess behind - on failed upgrade, remove only the new version dir (not all versions + data); restart the prior version - validate manifest version and reject ids ending in .config (record-file alias) - make Deliverer.Refresh non-blocking and cancel in-flight delivery on worker stop - clamp out-of-range webhook status, skip-and-warn corrupt records in List, write records atomically, semver-aware sideload version pick Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> * fix(plugins): address code-review findings (frontend) - wrap plugin routes + settings routes in a shared PluginErrorBoundary so a throwing plugin page shows a fallback instead of white-screening the SPA - fix disable/re-enable in one session: keep the cached registration and re-run initialize instead of relying on a cached ES-module re-import - prefix root-relative bundle/style URLs with apiBaseUrl (split-origin/Tauri) - surface partial-install warnings via toast.warning instead of a bare success - dedupe/remove injected style links on unload; gate PluginNavItems on the flag Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> * fix(plugins): serialize per-plugin lifecycle + guard config writes - add a per-plugin keyed lock in Service so concurrent Enable/Disable/Install/ Uninstall/UpdateConfig for one id are serialized (no status-machine race) - take s.mu in SetConfig/GetConfig and write config atomically - bound each plugin initialize() with a timeout so one hung bundle can't stall the rest of the boot load Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> * test(plugins): split service_test.go to satisfy file-length lint Move the install/URL test group into service_install_test.go; no logic change. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> * ci: build and ship the e2e fixture plugin package to E2E shards The plugin E2E specs' global-setup requires apps/backend/.build/kandev-plugin-e2e-1.0.0.tar.gz. Build it in the E2E build job, upload it as an artifact, and download it in both the regular and container shard jobs. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> --------- Co-authored-by: Kandev Agent <agent@kandev.dev> Co-authored-by: Claude Fable 5 <noreply@anthropic.com>
54 lines
2.3 KiB
Markdown
54 lines
2.3 KiB
Markdown
---
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id: task-08
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title: Tool invocation client + webhook & UI reverse proxies
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status: pending
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wave: 2
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depends_on: [task-05]
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plan: docs/plans/plugins/plan.md
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---
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# Tool invocation client + webhook & UI reverse proxies
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## Title
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Outbound HTTP to plugins: tool invocation client (kandev→plugin), external webhook
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reverse proxy, and iframe UI page reverse proxy with header stripping.
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## Inputs
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- Spec `docs/specs/plugins/spec.md` → "Agent tool invocation" (POST
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`{base_url}/tools/{name}`, 30s timeout, `{tool_call_id, input, context}` →
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`{output}`), "External webhook proxy" (forward body+headers, add
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`X-Plugin-Id`,`X-Webhook-Key`), and the NEW UI proxy section (GET/POST
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`{base_url}{ui.page.path}`; strip `X-Frame-Options` and frame-restricting CSP
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from the plugin response so kandev can iframe it; inject nothing else).
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- Header-stripping precedent: read `apps/backend/internal/agentctl/server/api/AGENTS.md`
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and the reverse-proxy code there (Accept-Encoding handling + iframe-blocking
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header removal) and mirror the approach with `httputil.ReverseProxy` +
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`ModifyResponse`.
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## Acceptance
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1. `internal/plugins/client.go`: `Client.InvokeTool(ctx, record, toolName, input, callCtx) (json.RawMessage, error)`,
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30s timeout, non-2xx → typed error. `Client.Health(ctx, record) error` (used by task-07).
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2. `internal/plugins/proxy.go`: `WebhookProxy(record, webhookKey) http.Handler`
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forwarding to `{base_url}{endpoints.webhooks templated with key}`, adding
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`X-Plugin-Id`/`X-Webhook-Key`, preserving method/body/query.
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3. `UIProxy(record, page) http.Handler` reverse-proxying to `{base_url}{page.path}`,
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`ModifyResponse` strips `X-Frame-Options` and removes `frame-ancestors` from CSP;
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rewrites relative redirects under the kandev proxy path.
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4. Both proxies 404/503 when record is nil / not active (the handler layer task-09
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passes only valid records; still guard).
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## Files
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- `apps/backend/internal/plugins/client.go` + `client_test.go`
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- `apps/backend/internal/plugins/proxy.go` + `proxy_test.go` (httptest upstream)
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## Verification
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- `go test ./internal/plugins/...` from `apps/backend`
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- `make -C apps/backend lint`
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## Output contract
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Report: tool-call request/response shapes, exact headers stripped on UI proxy,
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redirect-rewrite behavior. Import task-05 types only; do not edit other tasks' files.
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## Dependencies
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task-05.
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