The web transport implements LiveLink::publish and the hosting and sharing background requests over the page's WebSocket. Managing connections run as exchanges (exchange.rs) in the browser client's driver; the requests and what their answers mean are shared with the desktop transport (requests.rs). The Share popover offers online sharing in the browser (no local network), and Publish to server opens there. Fixes#917.
A viewer moving the pointer sends presence about 30 times a second, and every message sent put
the next ping off by the keep-alive interval, so no ping went out while presence did. The host
answers pings and nothing else to a client alone in a session (presence goes to the other peers),
so nothing was heard for the idle timeout (45 s): the client dropped a healthy connection and
reconnected, over and over. Seen in the browser build; the desktop app's guest has the same
timing (its reader times out the same way) and gets the same change.
Pings are now timed from the last ping, not from the last message sent: one goes out every 15 s
whatever else is on the wire. Regression test: 90 s of presence at 10 a second with the host
answering only the pings keeps the connection (it closed before the change).
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
The Share popover is one flow: Online (the file is published to the server in
Preferences and the server names its links with short codes) or Local network
(the app hosts; the code carries its address and the session's secret), one
Start sharing button, the code large with Copy code and Copy link, who is here,
can edit / can view, and Stop sharing. Join with a code is one field in the
popover, on the home screen and in the Join dialog, for a code of either kind
or an invite link.
Protocol (within version 2, new variants last): Resolve / Resolved and Admin
code. The server keeps a stretched hash and the wrapped token, never the code,
and limits wrong codes per address (with a lockout) and for everyone. Older
servers leave the links in place of a code; older apps join by link.
collab.share, collab.join {code}, code and share in collab.peers; the server
preference defaults to the built-in server and can be reset or turned off.
figcraft-server hosts many files over the same hub the app uses for sessions, persists each as a checksummed snapshot plus an append-only log (synced before replies, compacted, damaged files skipped and reported) so restarts lose nothing confirmed, and gives per-file share links with edit or view access (hashed 128-bit tokens, revocable). The app can publish a file to a server and join server-hosted files; view-only tabs refuse edits. Protocol version 2.
- Browser client (step 4): the web build joins sessions a desktop app hosts
through the browser's WebSocket API (web-sys, binary frames, the same
message encoding). Its connection logic is a target-independent state
machine (collab-net driver.rs): hello on open, changes and presence held
until the welcome, throttled presence, keep-alive pings, a silent host
counted as dropped, reconnect with backoff, final refusals. Tested natively
against a scripted socket and a real host over loopback. Hosting stays
desktop-only (LiveLink::can_host; collab.peers canHost). https pages are
told up front that they can only reach ws:// sessions on this computer.
- Shared join logic (join.rs: GuestConfig, outcomes, taking in host messages)
and transport limits (limits.rs) used by the native guest and the browser.
- Invite links: `figcraft figcraft://join?...` joins on start (a bad link
opens the Join dialog with it); file:// arguments are paths. Windows
registers a per-user figcraft:// opener (HKCU\Software\Classes\figcraft)
behind a Registry trait (tests use a fake): collab.registerLinks {on?} and a
Preferences checkbox, default on for installed builds, never for builds
from source. macOS Info.plist declares CFBundleURLTypes; the Linux desktop
entry declares x-scheme-handler/figcraft and passes %U.
- Join dialog: Escape closes it and no longer reaches the canvas (selection
kept); its field has the keyboard when it opens.
- Docs: collab-protocol (browser client, links, mixed content), mcp,
control-protocol, README, web hosting notes, collaboration wording in the
progress docs (numbers unchanged).
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
bflatastic