Hi,
my app implements secure decoding for all its serialization and it worked fine up until
macOS 11. Now the deserialization chokes on nested collections like this
NSArray of NSDictionary containing [NSNumber, NSString, NSDate] (both keys and
objects)
What previously worked no longer does:
NSSet *allClasses = [NSSet setWithObjects:
[NSArray class], [NSDictionary class],
[NSNumber class], [NSString class], [NSDate class],
nil];
[decoder decodeObjectOfClasses:allClasses forKey:@"somekey"];
On macOS 11 this produces the following exception:
--
-[NSKeyedUnarchiver _validateDecodeCollectionAllowedClassesRequirementsWithClasses:]: This
method only supports decoding non-nested collections. Please remove the following or use
'-decodeObjectOfClasses: forKey:' instead:
(
NSDictionary (0x7fff88714520)
[/System/Library/Frameworks/CoreFoundation.framework]
)
--
Of course leaving out NSDictionary produces a different exception about the decode
encountering an NSDictionary object.
Something has changed, obviously. Can someone enlighten me how one is supposed to decode
those kinds of objects? It's no option to change the encoding.
Thanks for any pointers
Regards
Markus
--
__
Markus Spoettl
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