Commit Graph
4 Commits
Author SHA1 Message Date
lockbitchat b3fcf54670 feat(webrtc): end-to-end encrypted voice & video calls with adaptive codecs
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Add 1:1 voice and video calling over the existing SAS-verified peer
connection. Audio and video tracks ride the same RTCPeerConnection as the
chat, bundled onto one DTLS-SRTP transport, so media inherits the session's
end-to-end encryption. SDP offer/answer is renegotiated in-band over the
verified data channel — no signalling server, so the media's DTLS
fingerprints are authenticated end-to-end. Calls are gated on a connected,
SAS-verified session.

Codecs & adaptation:
- Opus tuned for lossy links (in-band FEC, DTX, RED redundancy); audio is
  bandwidth-prioritised and never throttled.
- VP9/AV1 single-encoding SVC with H.264/VP8 fallback; video degrades by
  spatial/temporal layer.
- Runtime NetworkAdaptationController trims video bitrate on loss/RTT and
  recovers as the link clears — no renegotiation. Live connection-quality
  indicator (Excellent/Good/Fair/Weak) in the call UI.

In-call controls: mute, camera on/off (voice→video upgrade in-band),
camera flip, minimize-to-widget, hang up, and accept/decline for incoming
calls. Production logging disabled (DEBUG_MODE=false); temporary call
diagnostic logger removed. Codec rationale in docs/webrtc-config.md.
2026-07-23 12:56:19 -04:00
lockbitchat 42be55aaeb fix(security): restore outgoing message integrity, add HSTS/Permissions-Policy
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- Remove send-path keyword blocklist that silently rejected legitimate
  messages (e.g. "constructor", "global", "document.", literal "javascript:")
  without adding protection. XSS is enforced at the rendering boundary by the
  receive-side DOMPurify pass and by sanitizeMessage() before encryption.
- Preserve newlines/tabs/indentation in _sanitizeInputString; stop collapsing
  all whitespace which destroyed multi-line messages and code snippets.
- Stop logging raw AAD (sessionId + keyFingerprint) on validation failure;
  log length only, in both message and file-message AAD validators.
- Add Strict-Transport-Security (2y + preload) and Permissions-Policy
  (camera=self for QR, rest denied) to nginx.conf and .htaccess.
- Add tests/outgoing-message-integrity.test.mjs regression suite.
2026-06-18 16:48:29 -04:00
lockbitchat 4b8c8829f1 Fix CSP errors, MIME types, and Service Worker issues
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- Move CSP frame-ancestors and report-uri to HTTP headers
- Fix font-src to allow fonts.gstatic.com
- Add MIME type configuration for .jsx files
- Improve Service Worker error handling with cache fallback
- Rebuild application
2026-01-06 23:01:32 -04:00
lockbitchat 91c292a6cf feat: implement comprehensive PWA force update system
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- Add UpdateManager and UpdateChecker for automatic version detection
- Add post-build script for meta.json generation and version injection
- Enhance Service Worker with version-aware caching
- Add .htaccess configuration for proper cache control

This ensures all users receive the latest version after deployment
without manual cache clearing.
2025-12-29 10:51:07 -04:00