jfraeysd/fetch_ml
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Author SHA1 Message Date
Jeremie Fraeys
92aab06d76
feat(security): implement comprehensive security hardening phases 1-5,7 
Implements defense-in-depth security for HIPAA and multi-tenant requirements:

**Phase 1 - File Ingestion Security:**
- SecurePathValidator with symlink resolution and path boundary enforcement
  in internal/fileutil/secure.go
- Magic bytes validation for ML artifacts (safetensors, GGUF, HDF5, numpy)
  in internal/fileutil/filetype.go
- Dangerous extension blocking (.pt, .pkl, .exe, .sh, .zip)
- Upload limits (10GB size, 100MB/s rate, 10 uploads/min)

**Phase 2 - Sandbox Hardening:**
- ApplySecurityDefaults() with secure-by-default principle
  - network_mode: none, read_only_root: true, no_new_privileges: true
  - drop_all_caps: true, user_ns: true, run_as_uid/gid: 1000
- PodmanSecurityConfig and BuildSecurityArgs() in internal/container/podman.go
- BuildPodmanCommand now accepts full security configuration
- Container executor passes SandboxConfig to Podman command builder
- configs/seccomp/default-hardened.json blocks dangerous syscalls
  (ptrace, mount, reboot, kexec_load, open_by_handle_at)

**Phase 3 - Secrets Management:**
- expandSecrets() for environment variable expansion using ${VAR} syntax
- validateNoPlaintextSecrets() with entropy-based detection
- Pattern matching for AWS, GitHub, GitLab, OpenAI, Stripe tokens
- Shannon entropy calculation (>4 bits/char triggers detection)
- Secrets expanded during LoadConfig() before validation

**Phase 5 - HIPAA Audit Logging:**
- Tamper-evident chain hashing with SHA-256 in internal/audit/audit.go
- Event struct extended with PrevHash, EventHash, SequenceNum
- File access event types: EventFileRead, EventFileWrite, EventFileDelete
- LogFileAccess() helper for HIPAA compliance
- VerifyChain() function for tamper detection

**Supporting Changes:**
- Add DeleteJob() and DeleteJobsByPrefix() to storage package
- Integrate SecurePathValidator in artifact scanning
 2026-02-23 18:00:33 -05:00
Jeremie Fraeys
23e5f3d1dc
refactor(api): internal refactoring for TUI and worker modules 
- Refactor internal/worker and internal/queue packages
- Update cmd/tui for monitoring interface
- Update test configurations
 2026-02-20 15:51:23 -05:00
Jeremie Fraeys
412d7b82e9
security: implement comprehensive secrets protection 
Critical fixes:
- Add SanitizeConnectionString() in storage/db_connect.go to remove passwords
- Add SecureEnvVar() in api/factory.go to clear env vars after reading (JWT_SECRET)
- Clear DB password from config after connection

Logging improvements:
- Enhance logging/sanitize.go with patterns for:
  - PostgreSQL connection strings
  - Generic connection string passwords
  - HTTP Authorization headers
  - Private keys

CLI security:
- Add --security-audit flag to api-server for security checks:
  - Config file permissions
  - Exposed environment variables
  - Running as root
  - API key file permissions
- Add warning when --api-key flag used (process list exposure)

Files changed:
- internal/storage/db_connect.go
- internal/api/factory.go
- internal/logging/sanitize.go
- internal/auth/flags.go
- cmd/api-server/main.go
 2026-02-18 16:18:09 -05:00
Jeremie Fraeys
10e6416e11
refactor: update WebSocket handlers and database schemas 
- Update datasets handlers with improved error handling
- Refactor WebSocket handler for better organization
- Clean up jobs.go handler implementation
- Add websocket_metrics table to Postgres and SQLite schemas
 2026-02-18 14:36:30 -05:00
Jeremie Fraeys
de877a3030
feat: implement WebSocket handler improvements and metrics persistence 
- Add websocket_metrics table to SQLite and Postgres schemas
- Create db_metrics.go with RecordMetric, GetMetrics, GetMetricSummary methods
- Integrate metrics persistence into handleLogMetric WebSocket handler
- Remove duplicate db_datasets.go to fix type mismatches
- Move tests to tests/unit/api/ws/ following project structure
- Add payload parsing tests for handleLogMetric, handleGetExperiment, handleStatusRequest
- Update handler.go line count to 541 (still under 500 limit target)
 2026-02-18 14:36:05 -05:00
Jeremie Fraeys
dbf96020af
refactor(dependency-hygiene): Fix Redis leak, simplify TUI wrapper, clean go.mod 
Phase 1: Fix Redis Schema Leak
- Create internal/storage/dataset.go with DatasetStore abstraction
- Remove all direct Redis calls from cmd/data_manager/data_sync.go
- data_manager now uses DatasetStore for transfer tracking and metadata

Phase 2: Simplify TUI Services
- Embed *queue.TaskQueue directly in services.TaskQueue
- Eliminate 60% of wrapper boilerplate (203 -> ~100 lines)
- Keep only TUI-specific methods (EnqueueTask, GetJobStatus, experiment methods)

Phase 5: Clean go.mod Dependencies
- Remove duplicate go-redis/redis/v8 dependency
- Migrate internal/storage/migrate.go to redis/go-redis/v9
- Separate test-only deps (miniredis, testify) into own block

Results:
- Zero direct Redis calls in cmd/
- 60% fewer lines in TUI services
- Cleaner dependency structure
 2026-02-17 21:13:49 -05:00
Jeremie Fraeys
d1bef0a450
refactor: Phase 3 - fix config/storage boundaries 
Move schema ownership to infrastructure layer:

- Redis keys: config/constants.go -> queue/keys.go (TaskQueueKey, TaskPrefix, etc.)

- Filesystem paths: config/paths.go -> storage/paths.go (JobPaths)

- Create config/shared.go with RedisConfig, SSHConfig

- Update all imports: worker/, api/helpers, api/ws_jobs, api/ws_validate

- Clean up: remove duplicates from queue/task.go, queue/queue.go, config/paths.go

Build status: Compiles successfully
 2026-02-17 12:49:53 -05:00
Jeremie Fraeys
6ff5324e74 refactor(storage,queue): split storage layer and add sqlite queue backend 2026-01-05 12:31:02 -05:00
Jeremie Fraeys
ea15af1833 Fix multi-user authentication and clean up debug code 
- Fix YAML tags in auth config struct (json -> yaml)
- Update CLI configs to use pre-hashed API keys
- Remove double hashing in WebSocket client
- Fix port mapping (9102 -> 9103) in CLI commands
- Update permission keys to use jobs:read, jobs:create, etc.
- Clean up all debug logging from CLI and server
- All user roles now authenticate correctly:
  * Admin: Can queue jobs and see all jobs
  * Researcher: Can queue jobs and see own jobs
  * Analyst: Can see status (read-only access)

Multi-user authentication is now fully functional.
 2025-12-06 12:35:32 -05:00
Jeremie Fraeys
803677be57 feat: implement Go backend with comprehensive API and internal packages 
- Add API server with WebSocket support and REST endpoints
- Implement authentication system with API keys and permissions
- Add task queue system with Redis backend and error handling
- Include storage layer with database migrations and schemas
- Add comprehensive logging, metrics, and telemetry
- Implement security middleware and network utilities
- Add experiment management and container orchestration
- Include configuration management with smart defaults
 2025-12-04 16:53:53 -05:00