nserror

Extracting/Organizing a completed signature document

Tuesday, July 14, 2020 at 03:22pm
0 votes

We had a question come up regarding ability to export individual pages from a completed signature document. This is possible in Acrobat from a downloaded completed docusign file. However when trying to access the same functionality in acrobat when viewing a downloaded completed OneSpan file, acrobat shows an error "You cannot change security on this document because the document is signed or certified." - and all associated tools are greyed out. Why is this the case and is their a way around it?

Thanks

Duo_Liang

Reply to: Extracting/Organizing a completed signature document

Tuesday, July 14, 2020 at 03:40pm
1 votes

Hi there,

 

I believe it's expected that a signed / active PDF downloaded from OneSpan Sign is secured and doesn't allow to extract and reorganize the pages. If you force to do so using a software or third-party library, it will break the tamper seal and invalidate the document, in which case you are essentially retrieving a flattened PDF and just extracting an image copy of the document. OneSpan Sign offers an API to directly download the flattened document:
GET /api/packages/{packageId}/documents/{documentId}/pdf?flatten=true

Furthermore, there's an API to download each individual page in image format:

GET  /api/packages/{packageId}/documents/{documentId}/pages/0
Accept: image/png

 

Duo

Duo Liang OneSpan Evangelism and Partner Integrations Developer

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