Anthony Stirling 371d816ce7 Validate certificate inputs for cert signing (#5191) ...

## Summary
- validate required certificate inputs before loading keystores to
prevent null dereferences
- surface clear errors for missing PEM, PKCS12/PFX, and JKS uploads
during PDF signing
- add a unit test covering the missing PKCS12/PFX keystore scenario

## Testing
- ./gradlew :stirling-pdf:test --tests
stirling.software.SPDF.controller.api.security.CertSignControllerTest

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[Codex
Task](https://chatgpt.com/codex/tasks/task_b_6934c8803d648328bf76b72a4f689c60)

2025-12-13 17:42:12 +00:00

..

common

Bug/v2/static wasm (#5238)

2025-12-13 12:57:10 +00:00

core

Validate certificate inputs for cert signing (#5191)

2025-12-13 17:42:12 +00:00

proprietary

Fix: SSO Login Page (#5220)

2025-12-10 19:46:48 +00:00

allowed-licenses.json

feat(cbr-to-pdf,pdf-to-cbr): add PDF to/from CBR conversion with ebook optimization option (#4581)

2025-10-04 11:15:23 +01:00