Catia V5 R21 Zip File Download _hot_

| FR # | Description | Priority | |------|-------------|----------| | | Authentication & Authorization – Only logged‑in users with the CATIA‑R21‑Download permission may request a ZIP. | | FR‑2 | Dynamic Packaging Service – On request, a backend service builds a ZIP from a predefined source directory, respecting the component selection saved in the user profile. | | FR‑3 | Checksum Generation – Compute SHA‑256 (and optionally MD5) for the ZIP; expose the hash in the UI and API response. | | FR‑4 | Digital Signature – Sign the ZIP with the organization’s code‑signing certificate (CMS/PKCS#7). | | FR‑5 | Optional Encryption – If the user has uploaded a public PGP key, encrypt the ZIP with that key; otherwise deliver unencrypted but signed. | | FR‑6 | Download URL – Provide a one‑time, time‑limited (e.g., 24 h) HTTPS URL with a token (JWT or opaque token). | | FR‑7 | Progress Indicator – For files > 500 MB, show a progress bar (client‑side) with estimated time. | | FR‑8 | Audit Logging – Record user ID, IP, timestamp, selected components, file size, checksum, and download status (started, completed, aborted). | | FR‑9 | Retention Policy – Auto‑expire generated ZIP files after 48 h (or configurable) to free storage. | | FR‑10 | Error Handling – Return meaningful error codes: 401 (unauth), 403 (license missing), 429 (rate‑limit), 500 (packaging failure). | | FR‑11 | Rate Limiting – Limit each user to N downloads per 24 h (default 3) to avoid abuse. | | FR‑12 | Internationalization – UI text available in EN, FR, DE, JP, CN. | | FR‑13 | Accessibility – All UI controls conform to WCAG 2.1 AA. | | FR‑14 | API Endpoint – POST /api/v1/catia/v5/r21/download accepts JSON payload: "components": ["core","knowledgeware","en_us"], "encrypt": true . Returns JSON with "downloadUrl", "checksum", "expiresAt" . | | FR‑15 | Admin UI – Admins can add/remove components to the “default package” and set maximum ZIP size per user role. |

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