Is It Possible To Protect Our Documents From Getting Copied Using Html 5 Or General Web Technologies?

I want to develop a Web App for Mobile users, which will provide users with documents for users to view. I want to ensure that the documents once downloaded to temp folder needs to

Solution 1:

I don't believe you can delete user cache/temp folder via web, but you can protect your pdf and doc files with password and disable copy/paste and print function.

Solution 2:

you can make your document flash .swf then use google swiify to convert it to html5 !