Sandoxing: Creating a security-scoped bookmark for contents of a user-specified directory.
Sandoxing: Creating a security-scoped bookmark for contents of a user-specified directory.
- Subject: Sandoxing: Creating a security-scoped bookmark for contents of a user-specified directory.
- From: douglas welton <email@hidden>
- Date: Wed, 13 Jun 2012 15:14:26 -0400
Hi All,
My application allows the user to navigate to a directory and read a collection of image files. Once read, the user can arbitrarily keep any subset of the acquired images.
Currently (un-sandboxed), I use NSFileManager to get the URLs for the files in the directory. I store the returned URLs in my document data. When I sandbox this app, using the stored URLs can be a no-op (unless they are in an entitlement-friendly location: e.g., the Pictures folder).
I have tried creating security-scoped bookmarks before storing the individual URLs. However, when I do this, I get a nil bookmark and the message "XPC couldn't look up the Mach service for scoped bookmarks agent" is posted to the console.
In order to play in the sandbox, I need a persistent security-scoped solution for URLs derived from a user-selected URL.
From what I read in the App Sandbox Design guide, this is not possible. Am I correct? Can anyone else who's run into this situation give me a pointer/hint/suggestion about a work around?
curiously,
douglas
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