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feat: multi-tenant auth with per-user workspace isolation (#1118)
* feat: multi-tenant auth with per-user scoping Multi-user authentication and authorization for IronClaw gateway: - Token-based auth mapping tokens to user IDs via GATEWAY_USER_TOKENS - Per-user SSE broadcast scoping - Per-user rate limiting with poisoned lock recovery - Handler auth and ownership checks for jobs, settings, routines - Extension secrets scoped per-user - Chat handlers use authenticated identity - Reverse proxy deployment documentation - Comprehensive integration tests for auth, SSE, rate limiting, and job isolation * fix: scope memory tools per-user in multi-tenant mode Memory tools (search, write, read, tree) held a single workspace created at startup with GATEWAY_USER_ID. In multi-tenant mode, all users' tool calls searched the default user's scope. Add WorkspaceResolver trait that resolves workspaces per-request using JobContext.user_id. In single-user mode, returns the startup workspace. In multi-tenant mode (GATEWAY_USER_TOKENS configured), creates and caches per-user workspaces on demand. Includes regression tests for workspace resolution and user isolation. Co-Authored-By: Claude Opus 4.6 (1M context) <[email protected]> * fix: comprehensive multi-tenant isolation audit Address all review findings from @serrrfirat plus 7 additional gaps found via full security audit: Reviewer findings (5): - WorkspacePool now applies search config, memory layers, embedding cache, identity read scopes, and global config scopes (was bare) - jobs_summary_handler uses per-user queries instead of global counters - jobs_prompt_handler restructured to not 404 agent jobs + ownership check - jobs_restart_handler agent branch now verifies user ownership - agent_job_summary_for_user added to Database trait + both backends Audit findings (7): - Delete dead handlers/memory.rs (stale copies with no auth) - Add AuthenticatedUser to logs_events, logs_level_get, logs_level_set - Add AuthenticatedUser to extensions_tools_handler, gateway_status_handler - Add auth + ownership checks to all 6 routines handlers - Add auth to all 4 skills handlers with audit logging on mutations - Scope extension setup SSE broadcast to user (broadcast_for_user) - Fix pre-existing test compilation errors in extensions/manager.rs 17 new multi-tenant isolation tests covering: - WorkspacePool config propagation and scope merging - Jobs handler per-user isolation (summary, restart, prompt, cancel) - Routines handler auth enforcement and cross-user rejection - Auth middleware enforcement on logs, skills, status endpoints Co-Authored-By: Claude Opus 4.6 (1M context) <[email protected]> * fix: second-pass multi-tenant audit — scope SSE broadcasts, DB queries, dead handlers Second audit pass applying learned patterns across the codebase: - OAuth callback SSE broadcasts now use broadcast_for_user (lines 773, 912) - jobs_list_handler uses list_agent_jobs_for_user instead of fetching all users' jobs and filtering in Rust - list_agent_jobs_for_user added to Database trait + postgres + libsql - Dead handler files (extensions.rs, static_files.rs) hardened with AuthenticatedUser to prevent auth regression if migrated Co-Authored-By: Claude Opus 4.6 (1M context) <[email protected]> * fix: address review findings — token hashing, broadcast scoping, error handling Security fixes: - Hash tokens with SHA-256 at construction time so authentication compares fixed-size 32-byte digests, eliminating length-oracle timing leaks - Scope auth SSE broadcasts per-user in chat_auth_token_handler — AuthRequired/AuthCompleted events were leaking across tenants - Propagate DB errors in restart handlers instead of silently swallowing via `if let Ok(Some(...))` pattern Code quality: - Log SSE serialization failures instead of silently producing empty strings via unwrap_or_default() - Remove dead `pub type AuthState = MultiAuthState` alias - Replace `.unwrap()` with `Arc::clone(db)` in app.rs multi-tenant workspace setup (db is guaranteed Some in context, but unwrap violates project convention) - Fix telegram setup test to inject UserIdentity into request extensions (handler now requires AuthenticatedUser) - Add safety comments on test-only expect/unwrap calls for CI - Apply cargo fmt to fix pre-existing formatting Co-Authored-By: Claude Opus 4.6 (1M context) <[email protected]> * fix: address review findings — unify workspace pool, fix SSE regression, cache job owners - Unify WorkspacePool and PerUserWorkspaceResolver: WorkspacePool now implements WorkspaceResolver, eliminating duplicate per-user workspace construction logic. app.rs uses WorkspacePool directly. - Fix sse_tx: None scheduler regression: change scheduler/worker SSE broadcasting from broadcast::Sender<SseEvent> to Arc<SseManager>, restoring SSE event delivery for scheduled agent jobs. - Cache job owner in orchestrator: add job_owner_cache to OrchestratorState so job_event_handler avoids a DB round-trip on every event after the first per job. - Deduplicate ext_user_id computation in main.rs. - Remove unused _gateway_state variable. - Fix pre-existing test: first_token() returns None in multi-user mode by design; align test assertion. Co-Authored-By: Claude Opus 4.6 (1M context) <[email protected]> * style: fix formatting in app.rs Co-Authored-By: Claude Opus 4.6 (1M context) <[email protected]> * refactor: extract memory handlers back into handlers/memory.rs Move memory API handlers out of server.rs into their own module, consistent with how jobs, routines, and skills handlers are organized. The resolve_workspace() helper moves with them since it is only used by memory handlers. Co-Authored-By: Claude Opus 4.6 (1M context) <[email protected]> --------- Co-authored-by: Claude Opus 4.6 (1M context) <[email protected]> Co-authored-by: [email protected] <[email protected]>
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