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10 Commits
Author SHA1 Message Date
maziggy ce97a47627 Add H2C dual nozzle variant O1C2 model support (#489) 
The H2C dual nozzle variant reports model code O1C2 via MQTT, but only
  O1C was recognized. This caused the camera to use the wrong protocol
  (chamber image on port 6000 instead of RTSP on port 322), producing a
  reconnect loop. Added O1C2 to all model ID maps across 8 files.
 2026-02-28 11:53:38 +01:00
maziggy b02e9da943 WIP: multi virtual printer support 2026-02-18 06:37:27 +01:00
maziggy 3f7d2bf619 Fix virtual printer FTP transfer failure with connection reset (#58) 
Large 3MF uploads intermittently failed with [Errno 104] Connection
reset by peer while the 16-byte verify_job always succeeded. The
_handle_data_connection callback returned immediately, letting the
asyncio task complete while cmd_STOR was still reading from the data
connection. The passive port listener also stayed open during transfers.

- Keep _handle_data_connection alive via _transfer_done event so the
  asyncio task holds strong references throughout the transfer
- Close passive port listener after accepting the data connection
- Reject duplicate data connections with a warning log
- Add drain timeout (5s) to MQTT status pushes to prevent blocking
  when the slicer is busy with FTP upload
- Improve error logging with bytes received and exception type
 2026-02-08 14:37:50 +01:00
maziggy 70622e6e53 Add proxy mode for virtual printer (cross-LAN slicer support) 
Enable Bambu Studio on a remote network to print through BamBuddy
acting as a TLS-terminating proxy for both MQTT and FTP connections.

- Add TLSProxy base class and FTPTLSProxy with PASV response rewriting,
  EPSV→PASV translation, PROT P/C tracking, and one-shot data proxies
- Add SlicerProxyManager to coordinate per-slicer MQTT + FTP proxy pairs
- Support additional SAN IPs in certificate generation for proxy mode
- Broadcast SSDP on LAN B so slicers discover the proxy as a printer
- Narrow FTP passive port range to 50000-50100 with retry logic
- Expose proxy ports (8883, 9990, 50000-50100) in Dockerfile
- Document passive port range in docker-compose.yml
 2026-02-07 15:17:19 +01:00
maziggy 7b90c743c2 Strip explanatory text from nosec comments to silence Bandit warnings 
Bandit parses all words after `# nosec BXXX` as test IDs, producing
~35 "not a test name or id" warnings. Trim to just `# nosec BXXX`.
 2026-02-06 12:57:37 +01:00
maziggy 5b0a985da2 Add explanatory comments to 265 empty except blocks 
CodeQL flags except blocks where `pass` has no comment explaining
why the exception is silently ignored (py/empty-except rule).

Added context-specific comments to all 265 instances across 31 files:
- database.py (~112): ALTER TABLE migrations — "Already applied"
- archive/library/3MF parsing (~64): "Skip unparseable metadata"
- virtual_printer network cleanup (~32): "Best-effort socket cleanup"
- discovery/SSDP (~13): "SO_REUSEPORT not available" / socket cleanup
- bambu_ftp/mqtt (~13): FTP cleanup, JSON decode, signal parsing
- remaining routes/services (~31): context-specific comments
 2026-02-06 11:58:38 +01:00
maziggy a0133fb43b Fix safe security findings: hashlib, log injection, broad excepts, bandit suppressions 
- Add usedforsecurity=False to MD5 (AMS fingerprint) and SHA1 (git blob
  hash) calls to silence Bandit B303 / CodeQL weak-crypto findings
- Convert ~996 f-string logging calls to parameterized %s-style across
  55 files to prevent log injection (Bandit G201 / CodeQL log-injection)
- Narrow ~199 broad except Exception blocks to specific types:
  OperationalError for DB migrations, OSError for network/file cleanup,
  (OSError, ftplib.error_reply) for FTP, and targeted tuples for
  ZIP/XML/JSON parsing — 36 intentionally left broad (mixed async,
  re-raise patterns)
- Add # nosec comments to 9 known-safe lines (0.0.0.0 virtual printer
  binds, ftplib imports) and exclude backend/tests/ from bandit scan
- Bandit now reports 0 medium/high findings
 2026-02-06 11:45:12 +01:00
maziggy 53bd4fadb3 Fix safe security findings: hashlib, log injection, broad excepts 
- Add usedforsecurity=False to MD5 (AMS fingerprint) and SHA1 (git blob
  hash) calls to silence Bandit B303 / CodeQL weak-crypto findings
- Convert ~996 f-string logging calls to parameterized %s-style across
  55 files to prevent log injection (Bandit G201 / CodeQL log-injection)
- Narrow ~199 broad except Exception blocks to specific types:
  OperationalError for DB migrations, OSError for network/file cleanup,
  (OSError, ftplib.error_reply) for FTP, and targeted tuples for
  ZIP/XML/JSON parsing — 36 intentionally left broad (mixed async,
  re-raise patterns)
 2026-02-06 11:37:59 +01:00
maziggy bb37a8c8a8 Fix virtual printer model codes and serial prefixes 
- Correct SSDP model codes: C11=P1P, C12=P1S, N7=P2S, C13=X1E
  - Fix serial prefixes based on actual Bambu serial format
  - Add confirmation modal for pending upload discard
  - Sort model dropdown alphabetically, remove internal codes
  - Add "Setup Required" warning with link to wiki documentation
  - Update wiki with certificate installation and platform setup guides
 2026-01-04 14:05:08 +01:00
maziggy 88e84ca45a - Add Virtual Printer feature - emulate Bambu printer on network 
- Virtual printer appears in Bambu Studio/Orca Slicer via SSDP discovery
  - Secure TLS/MQTT communication with auto-generated certificates
  - Queue mode (pending uploads) or auto-start mode
  - Configurable access code for authentication
  - Docker support with network_mode: host and certificate persistence
  - Fix backup/restore for virtual printer settings (auto-save no longer overwrites)
 2025-12-29 15:52:48 +01:00