Acrobat X plugin running in Browser cannot save pdf files locally
Hi,
I have a Digital Signature plugin written for Acrobat X and it handles both signature creation and verification. When a PDF with digital signatures is opened in a browser (specifically IE8, IE9) acrobat X runs in browser mode and it calls our digital signature plugin. Our plugin then saves the online PDF to local disk using the following Acrobat X SDK method:
PDDocSave()
This normally works fine without any problems under windows 7. However, there are some cases where the PDF does not get saved at all. In that case, if we try running Internet Explorer using "Run as admin", saving starts to work again. From this we have concluded that the saving functionality of our plugin requires Internet Explorer to be run as admin.
Problem is that, for users without admin rights this behavior is not ideal.
We have also noted that, if we try to save the PDF opened in a browser using the default save feature of acrobat X, then the save goes through successfully.
Question is, how can we make our plugin to save the pdf the same way acrobat X does when run under browsers? What options do we have?
My system specs: Windows 7 64bit, Acrobat X v.10.1.4 (occurs in 10.1.1 through 10.1.4), IE9.
Thanks in advance.
My question is then how is acrobat itslef able to save the same pdf locally at the same destination without any problems. I am assuming it is using the same save api itself.
If acrobat itself can do it, why cant a plugin running inside acrobat X.
And if the plugin cannot achieve the same behavior as acrobat then can we conclude that for a digital signature plugin running inside acrobat X which is running in browser mode to open a PDF:
- Acrobat X itself and the plugins which run inside it behave differently when saving an online pdf locally. And there is no way for the plugin to achieve the same behavior as acrobat itself in this regard.
- There is no way (either programmatically or otherwise) for the digital signature plugins, to save online PDFs locally, without either running the browser 'as admin' or adding the website, hosting the online PDF, to Trusted websites list of acrobat X.
- User of acrobat X plugin has to either run the browser 'as admin' or add the pdf hosting website to Trusted websites list to save the opened PDF locally.
Please confirm if my conclusions are right. And in cases they aren't please explain why. Thanks for you prompt replys.
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