PWA: register as an Android share target (Share → Lotus Chat) #155
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opened 2026-09-17 22:49:24 -04:00 by jared
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a11y
area: appearance
area: auth-session
area: build-ci
area: calls
area: desktop
area: media
area: messaging
area: mobile
area: moderation
area: navigation
area: notifications
area: settings
area: threads
bug
dependencies
docs
duplicate
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help wanted
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priority: critical
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priority: low
priority: medium
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Accessibility: keyboard, screen reader, contrast, motion
Client area: appearance
Client area: auth-session
Client area: build-ci
Client area: calls
Client area: desktop
Client area: media
Client area: messaging
Client area: mobile
Client area: moderation
Client area: navigation
Client area: notifications
Client area: settings
Client area: threads
Something is not working
Third-party package versions and advisories
README / LOTUS_* docs wrong or missing
This issue or pull request already exists
New feature
Need some help
Something is wrong
Re-render storms, leaks, heavy work on hot paths
Data loss, security hole, or crash on a main path
Broken feature or serious usability problem
Minor issue or polish
Wrong behaviour in an edge case or notable degradation
Manual QA: shipped, needs a human in a real environment
More information is needed
XSS, unsafe URLs, data leaks, auth/session
Code health, dead code, fragile patterns
Usability or visual inconsistency
This won't be fixed
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Features 2026-Q4
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Reference: LotusGuild/cinny#155
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Web Share Target API: add
share_targettopublic/manifest.json(POST,multipart/form-data,filesaccepting image/video/*, plustext/url). The service worker intercepts the POST to/share-target, stashes the files in Cache/IndexedDB, and redirects to#/sharewhere the app shows the room picker (reuse Forward-to-rooms UI) with the files pre-attached to the composer's upload board. Requires the PWA to be installed; verify iOS ignores it gracefully (it does — no share target support). Docker nginx: the/share-targetpath must fall through to the SPA.Done in
96a97a2f(cinny) + a16cc85 (matrix: nginx 303 for/share-target).manifest.jsonshare_target: POST multipart to./share-targetwith title/text/url +files(image/video/audio/pdf/text)./share./sharepage: lists the shared files + text, room search, pick a room → files go onto that room's upload board (encrypted first for E2EE rooms, via the composer's ownfilesToUploadItems) and the title/text/url into the draft, then the room opens; you still press Send. The stash is cleared once placed./share-target→ 303/shareso a POST that reaches the origin before the worker controls the page doesn't 405. iOS ignoresshare_target(no support) — nothing else changes there.Verified headless against the built preview with the SW controlling the page: POST two PNGs + title + text →
/shareshows both files and the text → pick the DM → both files on the upload board, text in the composer →/shareafterwards says nothing is pending. Needs a real Android install to see the entry in the system share sheet — that part can't be emulated.