/*

     File: CredentialsManager.m

 Abstract: Manages the list of trusted anchor certificates.

  Version: 1.1

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#import "CredentialsManager.h"

@import Security;

@interface CredentialsManager ()

@property (atomic, strong, readonly ) NSMutableArray *   mutableTrustedAnchors;

@end

@implementation CredentialsManager

- (instancetype)init

{

    self = [super init];

    if (self != nil) {

        self->_mutableTrustedAnchors = [[NSMutableArray alloc] init];

        assert(self->_mutableTrustedAnchors != nil);

    }

    return self;

}

- (NSArray *)trustedAnchors

{

    NSArray *   result;

    @synchronized (self) {

        result = [self->_mutableTrustedAnchors copy];

        assert(result != nil);

    }

    return result;

}

- (void)addTrustedAnchor:(SecCertificateRef)newAnchor

{

    BOOL        found;

    assert(newAnchor != NULL);

    @synchronized (self) {

        // Check to see if the certificate is already in the mutableTrustedAnchors 

        // array.  Somewhere along the line SecCertificate refs started supporting 

        // CFEqual, so we can use -indexOfObject:, which is nice.

        found = [self->_mutableTrustedAnchors indexOfObject:(__bridge id) newAnchor] != NSNotFound;

        // If the new anchor isn't already in the array, add it.

        if ( ! found ) {

            NSIndexSet *    indexSet;

            indexSet = [NSIndexSet indexSetWithIndex:[self->_mutableTrustedAnchors count]];

            assert(indexSet != nil);

            [self willChange:NSKeyValueChangeInsertion valuesAtIndexes:indexSet forKey:@"trustedAnchors"];

            [self->_mutableTrustedAnchors addObject:(__bridge id)newAnchor];

            [self  didChange:NSKeyValueChangeInsertion valuesAtIndexes:indexSet forKey:@"trustedAnchors"];

        }

    }

}

@end