J3vbandClaude Fable 5 67fdd18d7e feat(b2-5): one permission predicate per security property (#1440)
* feat(b2-5): canonical permission predicates

One value-taking predicate per security property in Server/permissions:
CanViewChannel, CanAdmitSession (= view), CanSendMessage, CanType (= send),
CanJoinVoice, CanModerateVoice, all over a Subject the caller resolves
(role bits, both override layers, channel flags, DM state). Checker now
resolves a Subject and asks it, so HasChannelPerm, HasChannelPermBatch and
VisibleChannelIDs are the same rule rather than three copies.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Rg9QQWVN3E5UUgBD2dydtu

* fix(b2-5): send sites delegate to CanSendMessage (S-01)

checkSendPermission, HandleTyping, the ready payload's can_send and the
composer refresh all ask permissions.CanSendMessage over a resolved Subject
(PermissionService.Subject / ws subjectFor). Typing now follows the post
policy: a read-only member, an announcement reader without MANAGE_MESSAGES,
an archived channel, a blocked or non-participant DM user emit nothing.
Parity tables run each site against the predicate over the same fixture, in
both the cached-service and bare-hub branches.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Rg9QQWVN3E5UUgBD2dydtu

* refactor(b2-5): view sites delegate to CanViewChannel/CanAdmitSession (S-12)

HandleChannelFocus and the post-Subscribe revalidation (applySetChannelID)
ask permissions.CanAdmitSession; channelReadAudience and
RefreshChannelVisibility ask CanViewChannel — all over a Subject resolved by
subjectFor in either the cached-service or bare-hub branch, so no ws path
mirrors the visibility rule by hand any more. hasPermChecked is gone with
its last caller. Parity tables per site, both branches, every override layer
plus an archived channel.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Rg9QQWVN3E5UUgBD2dydtu

* refactor(b2-5): voice join sites delegate to CanJoinVoice

voice_join, voice_token_refresh, the destination of a moderator move and the
stale-voice sweep all ask permissions.CanJoinVoice over the subject the new
ws channelSubject resolves (role bits, both override layers, channel flags,
DM membership and block state); joinDenial maps a refusal to the frame each
reason always produced. hasChannelAccess, hasChannelAccessLive and
Hub.requireChannelAccess are gone with their last callers. The sweep now
re-runs the whole join rule (a deleted or archived channel, a lost DM
membership or a new block evict too, not only a lost CONNECT_VOICE bit), and
the token refresh refuses a deleted channel. Parity tables cover the shared
resolver, the join gate and the sweep in both branches.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Rg9QQWVN3E5UUgBD2dydtu

* fix(b2-5): voice moderation delegates to CanModerateVoice (SEC-02 server half)

voiceModTarget decides with permissions.CanModerateVoice over the actor's
subject in the target's channel: effective MUTE_MEMBERS there (a role-layer
or user-layer deny now holds), READ_MESSAGES so a hidden room cannot be
moderated, and DM membership for a DM call. The base-bit check stays as an
early rejection only, keeping FORBIDDEN ahead of the voice-state lookup.
Locked by a table over both override layers, a hidden channel and the
Administrator bypass, through the real voice_mod_mute path; the deafen-race
fixtures gain the Checker the gate now needs.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Rg9QQWVN3E5UUgBD2dydtu

* docs(b2-5): evidence block, inventory and closed rows

Record the B2-5 evidence (pre-squash SHAs, before/after inventory, the
SEC-02 READ decision, the residue that leaves the authz-chokepoint rule with
B3 item 15) in the plan, mark the step done, and flip S-01, S-12 and the
server half of SEC-02 to resolved/superseded in the issue register.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Rg9QQWVN3E5UUgBD2dydtu

* fix(b2-5): CanJoinVoice refuses an archived DM call too

The old voice_join gate refused every archived channel regardless of type,
and the admin PATCH accepts archived for a DM; the predicate's DM branch
returned before consulting the flag, so join, token refresh and the sweep
would have let an evicted participant back into an archived call. Archive
is now checked after membership and block for both channel kinds (Codex P2
on #1440), pinned in the predicate table.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Rg9QQWVN3E5UUgBD2dydtu

* docs(b2-5): record the Codex P2 fix in the evidence block

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Rg9QQWVN3E5UUgBD2dydtu

---------

Co-authored-by: Claude Fable 5 <noreply@anthropic.com>
2026-08-29 07:07:04 +00:00
2026-08-27 21:37:40 +02:00

CI Release Status Go Tauri Platforms License: AGPL-3.0

OwnCord

A self-hosted chat app I build for me and my friends — text channels, voice and video, and a server you actually own.

Alpha, and a hobby project. This is something I build for fun and run for a small group of friends. It isn't a product, it comes with no support commitment, and it isn't production-ready. Expect rough edges, rapid changes, and the occasional breaking change.

Don't use it for anything sensitive.

It's a Go server plus a Tauri desktop client: real-time messaging, voice/video via LiveKit, file sharing, and a web admin panel. Run the server on a spare box or a VPS, hand your friends an invite code, and that's the whole thing.

OwnCord Client

Login Page Admin Panel

How it's built

Most of the implementation is generated with AI tooling, with quality held up by automated checks — CI, tests, linting — and by me and my friends actually using it. That keeps iteration fast, and it also means behaviour can change quickly between releases.

What works right now

Area Status
Core chat flow Working in alpha
Voice/video Working in alpha
Admin panel Working in alpha
Security hardening Ongoing review passes; findings and their statuses are tracked in the dated audits in docs/ (see the Docs Index below)

Platform Support (Current Releases)

Component Windows x64 Linux x64 Linux ARM64
Server binary Yes Yes Not yet
Desktop client Yes (NSIS installer) Yes (AppImage, .deb) Yes (AppImage, .deb)
Docker server N/A Build from source (compose) Not yet

Start Here

Quick Start

Option A: Prebuilt binaries

  1. Download assets from Releases (binaries, checksums, signatures, and a full source snapshot per release).
  2. Run the server binary:
    • Windows: chatserver.exe
    • Linux: ./chatserver
  3. Open https://localhost:8443/admin and complete the setup wizard — it creates your Owner account and configures the server for you (settings are saved to config.yaml automatically).
  4. Generate invite codes in the admin panel and share them with friends.

Option B: Docker (Linux server)

cd Server
cp .env.example .env
cp livekit.yaml.example livekit.yaml
# Edit both files before starting
docker compose up -d

See the full setup guide in docs/deployment.md.

The client uses TOFU (Trust On First Use) for self-signed certificates: it prompts once, then pins the certificate for future connections.

What OwnCord Already Has

  • Real-time channels and direct messages over WebSocket
  • Voice/video channels via LiveKit — the LiveKit server binary is downloaded and managed for you
  • Invite-only registration and role-based permissions
  • Web admin panel with logs, backups, and update tooling
  • File uploads and inline media rendering
  • TOTP 2FA support and API rate limiting
  • Desktop client auto-update with signature verification
  • WASM plugin system (slash commands; sandboxed, default-disabled — enable via plugins.enabled and build with -tags wazero)
  • GIF picker — off by default; each server supplies its own Klipy key via gif.api_key (setup)

See deeper feature and architecture docs in docs/architecture/ and docs/protocol.md.

Architecture

Two main components:

  • Go server (REST API, WebSocket hub, SQLite, admin panel)
  • Tauri v2 desktop client (Rust backend + TypeScript frontend)
+---------------------+         +---------------------+
|   OwnCord Client    |         |   OwnCord Server    |
|   (Tauri v2)        |         |       (Go)          |
|                     |         |                     |
|  +---------------+  |  WSS    |  +---------------+  |
|  |  Chat UI      |--+------->|  |  WebSocket Hub|  |
|  +---------------+  |         |  +---------------+  |
|  +---------------+  |  HTTPS  |  +---------------+  |
|  |  REST Client  |--+------->|  |  REST API     |  |
|  +---------------+  |         |  +---------------+  |
|  +---------------+  | LiveKit |  +---------------+  |
|  |  Voice/Video  |--+------->|  |  LiveKit SFU  |  |
|  +---------------+  |         |  +---------------+  |
+---------------------+         |  +---------------+  |
                                |  |  SQLite DB    |  |
                                |  +---------------+  |
                                +---------------------+

Build and Test

Prerequisites

  • Go 1.26+
  • Node.js 24+ (see Client/.nvmrc)
  • Rust stable (client builds)

Build from source

# Server (Windows)
cd Server
go build -o chatserver.exe -ldflags "-s -w -X main.version=1.2.0-alpha.4" .

# Server (Linux)
cd Server
CGO_ENABLED=0 go build -o chatserver -ldflags "-s -w -X main.version=1.2.0-alpha.4" .

# Client
cd Client
npm install
npm run tauri build

Core verification commands

Everything CI gates on, from the repository root:

npm run check                  # server + client + Rust
npm run check:server           # or one stack at a time
node scripts/run.mjs --list    # exactly what each task runs, and where

Or run the stacks directly — the facade is a convenience, not the only path, and server work needs no Node at all:

# Server
cd Server
go test ./...

# Client
cd Client
npm run typecheck
npm run lint
npm test

For the full command set, use docs/contributing.md.

Configuration

On first run, the server generates config.yaml and a local data/ directory:

data/
├── chatserver.db
├── certs/
├── uploads/
└── backups/

Key options include TLS mode, upload limits, LiveKit settings, and admin CIDR restrictions. See docs/server-configuration.md.

Security and Vulnerability Reporting

  • For vulnerabilities, use GitHub Security Advisories (private disclosure flow).
  • Do not open public issues for security bugs.
  • Read full policy and hardening notes in docs/security.md.

Update Signing Notes (Maintainers)

Client and server update signing keys are intentionally separate.

Required Actions secrets for release signing:

  • TAURI_SIGNING_PRIVATE_KEY
  • TAURI_SIGNING_PRIVATE_KEY_PASSWORD
  • SERVER_UPDATE_SIGNING_PRIVATE_KEY
  • SERVER_UPDATE_SIGNING_PRIVATE_KEY_PASSWORD

When rotating the server updater key, update Server/updater/server_update_public_key.txt and use staged rollover for live fleets.

Docs Index

docs/README.md is the complete index — every document in docs/, grouped by whether it is guidance, a reference contract, a dated audit, or a plan. The most-used entries:

Audits are dated snapshots and are not maintained after the fact — read them as history. docs/README.md lists all nine, newest first.

Contributing

  1. Create a branch from dev (the active development branch).
  2. Keep changes focused and tested.
  3. Open a PR targeting devdev is merged to main for releases.

See docs/contributing.md for the full process.

Getting Help and Reporting Problems

Nothing here is a support promise — see the note at the top — but there is a right place for each kind of message:

Kind Where
A reproducible bug Issues
A question about setup or usage Discussions → Q&A
An idea or feature suggestion Discussions → Ideas
A security vulnerability Private advisory — never an issue

License

AGPL-3.0

S
Description
OwnCord is a self-hosted, open-source chat platform with text channels, voice/video chat, direct messages, and a desktop client — built for communities that want full control over their data.
Readme AGPL-3.0
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Languages
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Go 44%
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Rust 2.1%
CSS 1.4%
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