c17ab41a33
1 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
| 97f94f247b |
draw.io reference plugin: fullscreen editing, inline SVG rendering
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A new block plugin bundling the OFFICIAL draw.io editor — nothing ever
loads from diagrams.net; the sandbox CSP pins every request to the
plugin's own version-pinned asset path (zero-external-network verified
live via a request-capture run).
Plugin (packages/plugins/drawio):
- block data { xml, svg }: xml is the draw.io source (document of
record), svg the rendered snapshot as raw markup — render mode,
office/PDF exports (the existing fallback renderer already inlines
data.svg) and the public view all show the diagram without running
diagram code
- edit mode: snapshot + "edit in fullscreen" (an empty block opens the
editor immediately); the bundled editor runs in a child iframe of the
plugin's own assets and speaks draw.io's JSON embed protocol —
Save & Exit exports xmlsvg, persists { xml, svg } via blockData, and
drops back to the inline size
- build.mjs fetches the pinned release (v30.3.6) into a gitignored
vendor/ cache (fonts-build pattern; skipped in CI — plugin.js still
bundles, the installable ZIP needs a dev machine) and packs a trimmed
webapp subset: no dev sources, no embed.diagrams.net integrations
bundle, no standalone viewers, no MathJax/templates/PWA — 27 MiB ZIP,
85 MiB unpacked, de+en editor languages
Host/SDK extensions (generic, not drawio-specific):
- new ui.enterFullscreen()/exitFullscreen(): the surface's frame becomes
a viewport-covering overlay — same sandboxed iframe, only geometry
changes; destroy removes the frame, so a vanished plugin can never
leave the app covered
- sandbox CSP: connect-src/frame-src now allow the plugin's OWN asset
path (was 'none') — bundled apps lazy-load their resources and run in
a child frame, but the api and external hosts stay unreachable; HTML
assets are served with the same CSP so a packaged page cannot widen
the rules, and child frames inherit the sandbox attribute
- plugin size limits raised (ZIP 5→64 MiB, unpacked 20→256 MiB) for
bundled-app plugins; content types for xml/txt/ico assets
Verified end to end against a local stack (9/9): install via dropzone
(85 MiB validation), block insert, fullscreen entry, bundled editor
boots inside the double sandbox (German UI), shape drawn, Save & Exit
persists, snapshot renders inline, survives reload, zero off-origin
requests throughout.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01EwZ4jR4KFAPvpjWevfUGX1
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