fix(attachments): download via authenticated signed URL (framework #2970) by os-zhuang · Pull Request #2538 · objectstack-ai/objectui

os-zhuang · 2026-07-15T15:56:51Z

Companion to framework #2984 (issue objectstack-ai/framework#2970, item 2).

The framework now requires an authenticated session to download an attachments-scope file — the stable GET /storage/files/:fileId endpoint returns 401 AUTH_REQUIRED / 403 ATTACHMENT_DOWNLOAD_DENIED for them (parent-derived access). A bare <a href> can't carry the console's Bearer token, so RecordAttachmentsPanel's download control changes:

Authenticated signed-URL fetch — on click, createAuthenticatedFetch GETs /storage/files/:fileId/url (Bearer token), receives a short-lived signed URL, and window.opens it. The signed URL itself needs no credentials.
Friendly denial copy — 403 ATTACHMENT_DOWNLOAD_DENIED → "You don't have access to download this attachment."; 401 AUTH_REQUIRED → "Please sign in to download this attachment." — instead of a broken link / raw error.

Non-attachments files (avatars, field images, org logos) are unaffected: the framework leaves their stable capability URL anonymous (they're embedded in <img src>), so ImageField/avatar rendering is untouched.

Verification

RecordAttachmentsPanel.test.tsx (6 ✓): the download button fetches /files/:id/url with auth and opens the signed URL; 403/401 map to friendly copy and open no tab.
Full app-shell sweep: 1346 ✓.

Merge order

Framework #2984 first (server gate before the panel adapts).

🤖 Generated with Claude Code

Generated by Claude Code

…framework #2970) The framework now requires an authenticated session to download an attachments-scope file — the stable /storage/files/:fileId endpoint returns 401/403 for them. RecordAttachmentsPanel's download control no longer uses a bare <a href> (which can't carry the console's Bearer token): it fetches a short-lived signed URL from /storage/files/:fileId/url with createAuthenticatedFetch, then opens it. 403 ATTACHMENT_DOWNLOAD_DENIED / 401 AUTH_REQUIRED map to friendly copy instead of a broken link. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_0187NT3Qer9oep5dCRb9b8Lt

vercel · 2026-07-15T15:56:57Z

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Project	Deployment	Actions	Updated (UTC)
objectui	Ignored		Jul 15, 2026 3:56pm

github-actions · 2026-07-15T16:00:39Z

✅ Console Performance Budget

Metric	Value	Budget
Main entry (gzip)	27.6 KB	350 KB
Entry file	`index-DAmTsAdS.js`	—
Status	PASS	—

📦 Bundle Size Report

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app-shell (runtime-config.js)	7.42KB	2.32KB
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auth (index.js)	1.83KB	0.79KB
auth (phone-identifier.js)	1.11KB	0.66KB
auth (types.js)	0.59KB	0.35KB
auth (useAuth.js)	4.86KB	0.85KB
auth (useIsWorkspaceAdmin.js)	1.61KB	0.85KB
collaboration (CommentThread.js)	18.38KB	4.49KB
collaboration (LiveCursors.js)	3.17KB	1.27KB
collaboration (PresenceAvatars.js)	3.65KB	1.42KB
collaboration (PresenceProvider.js)	2.42KB	0.96KB
collaboration (index.js)	1.25KB	0.53KB
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components (index.js)	444.40KB	96.05KB
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create-plugin (index.js)	9.28KB	2.98KB
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plugin-grid (index.js)	172.52KB	45.58KB
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plugin-list (index.js)	99.07KB	23.46KB
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types (feedback.js)	0.20KB	0.18KB
types (field-types.js)	0.20KB	0.18KB
types (form.js)	0.20KB	0.18KB
types (index.js)	1.54KB	0.68KB
types (layout.js)	0.20KB	0.18KB
types (mobile.js)	0.20KB	0.18KB
types (navigation.js)	0.20KB	0.18KB
types (objectql.js)	0.20KB	0.18KB
types (overlay.js)	0.20KB	0.18KB
types (permissions.js)	0.20KB	0.18KB
types (plugin-scope.js)	0.20KB	0.18KB
types (record-components.js)	0.20KB	0.19KB
types (registry.js)	0.20KB	0.18KB
types (reports.js)	0.20KB	0.18KB
types (spec-report.js)	5.26KB	1.96KB
types (tenant.js)	0.20KB	0.18KB
types (theme.js)	0.20KB	0.18KB
types (ui-action.js)	0.75KB	0.46KB
types (views.js)	0.20KB	0.18KB
types (widget.js)	0.20KB	0.18KB

Size Limits

✅ Core packages should be < 50KB gzipped
✅ Component packages should be < 100KB gzipped
⚠️ Plugin packages should be < 150KB gzipped

github-actions Bot added the tests label Jul 15, 2026

os-zhuang mentioned this pull request Jul 15, 2026

feat(attachments): v2 follow-ups — read visibility, authed downloads, edit-on-parent, lifecycle, enforce-or-remove (#2970) objectstack-ai/framework#2984

Merged

os-zhuang marked this pull request as ready for review July 16, 2026 01:09

os-zhuang merged commit c04de47 into main Jul 16, 2026
10 checks passed

os-zhuang deleted the claude/attachments-v1-followups-8jhvin branch July 16, 2026 01:10

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fix(attachments): download via authenticated signed URL (framework #2970)#2538

fix(attachments): download via authenticated signed URL (framework #2970)#2538
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os-zhuang commented Jul 15, 2026

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