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Aandi Inston wrote:
Even where a plug-in might be able to circumvent certain security - for instance where the Cos layer might be able to add an annotation (with some effort) even though permissions don't allow this, I make sure the plug-in first checks and fails on permissions.
I also restrict information returned by info functions to a reduced set.
I think doing anything else runs the risk of a PDF which was supposed to be locked going back to a creator, who would then - reasonably - put your product in the same category as hacking tools. That is not a label most companies would want to acquire.
There are a number of functions, which, even from the creator's perspective (and certainly from the client's) should not be restricted. E.g. a person should be allowed to index hir documents. This is especially true with many useful ebooks becoming available (and Adobe just opened their ebook store). Perhaps there is a way to do this via a plugin, but AFSIK a free Reader plugin would not be allowed to do this (mostly because of legal restrictions, AFAIK). Perhaps Adobe should ease these restrictions for DRMed file (unless they are trying to carve out a niche for themselves, as with 5,860,074).
m
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