I have a strange error when resolving a security-scoped bookmark (SSB) in my screensaver. The code works fine for almost all users (even under Mojave), except for one user under Mojave (10.14.6).
Here is the code in question:
NSError * error;
BOOL isStale = NO;
NSURL * dir_location = [NSURL URLByResolvingBookmarkData: bookmark
options:
NSURLBookmarkResolutionWithSecurityScope
relativeToURL: nil
bookmarkDataIsStale: & isStale
error: & error];
The method returns NULL, and error says:
Error Domain=NSCocoaErrorDomain Code=259 "The file couldn't be opened because
it isn't in the correct format."
The SSB points to a directory in the user's home.
I can see that in the log, because in my code I do
NSDictionary * dict = [NSURL resourceValuesForKeys: [NSArray
arrayWithObjects: NSURLPathKey, nil]
fromBookmarkData: bookmark ];
and then I output [dict objectForKey: NSURLPathKey] .
The user has opened the directory in the previous run, and I am creating and
storing an SSB with this code:
NSError * systemError;
NSData * dir_bookmark = [dir bookmarkDataWithOptions:
NSURLBookmarkCreationWithSecurityScope
includingResourceValuesForKeys: nil
relativeToURL: nil
error: &systemError];
and it seems to work just fine.
I don't know whether or not it matters: the error occurs in a screensaver of
mine,
i.e., it occurs when the users launches the screensaver moving the mouse into
the respective hot corner.
But the SSB is created and resolved by exactly the same .saver executable.
Does anyone have an idea why -URLByResolvingBookmarkData might fail?
Or could some kind soul give me hints how I might be able to track down the bug?
(Of course, I tried top google, to no avail.)
I am at a loss here ...
Thanks a lot in advance.
Best regards, Gabriel
smime.p7s
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