snej@4: //
snej@4: //  MYIdentity.m
snej@4: //  MYCrypto
snej@4: //
snej@4: //  Created by Jens Alfke on 4/9/09.
snej@4: //  Copyright 2009 Jens Alfke. All rights reserved.
snej@4: //
snej@4: 
snej@4: #import "MYIdentity.h"
snej@4: #import "MYCrypto_Private.h"
snej@4: 
snej@4: 
snej@4: @implementation MYIdentity
snej@4: 
snej@4: 
snej@8: /** Creates a MYIdentity object for an existing Keychain identity reference. */
snej@8: + (MYIdentity*) identityWithIdentityRef: (SecIdentityRef)identityRef {
snej@8:     return [[[self alloc] initWithIdentityRef: identityRef] autorelease];
snej@8: }
snej@8: 
snej@4: - (id) initWithIdentityRef: (SecIdentityRef)identityRef {
snej@4:     Assert(identityRef);
snej@4:     SecCertificateRef certificateRef;
snej@4:     if (!check(SecIdentityCopyCertificate(identityRef, &certificateRef), @"SecIdentityCopyCertificate")) {
snej@4:         [self release];
snej@4:         return nil;
snej@4:     }
snej@4:     self = [super initWithCertificateRef: certificateRef];
snej@4:     if (self) {
snej@4:         _identityRef = identityRef;
snej@4:         CFRetain(identityRef);
snej@4:     }
snej@4:     CFRelease(certificateRef);
snej@4:     return self;
snej@4: }
snej@4: 
snej@4: 
snej@5: #if !TARGET_OS_IPHONE
snej@4: - (id) initWithCertificateRef: (SecCertificateRef)certificateRef {
snej@4:     self = [super initWithCertificateRef: certificateRef];
snej@4:     if (self) {
snej@4:         if (!check(SecIdentityCreateWithCertificate(NULL, certificateRef, &_identityRef),
snej@4:                    @"SecIdentityCreateWithCertificate")) {
snej@4:             [self release];
snej@4:             return nil;
snej@4:         }
snej@4:     }
snej@4:     return self;
snej@4: }
snej@5: #endif
snej@4: 
snej@4: - (void) dealloc
snej@4: {
snej@4:     if (_identityRef) CFRelease(_identityRef);
snej@4:     [super dealloc];
snej@4: }
snej@4: 
snej@4: - (void) finalize
snej@4: {
snej@4:     if (_identityRef) CFRelease(_identityRef);
snej@4:     [super finalize];
snej@4: }
snej@4: 
snej@4: 
snej@8: @synthesize identityRef=_identityRef;
snej@8: 
snej@4: - (MYPrivateKey*) privateKey {
snej@4:     SecKeyRef keyRef = NULL;
snej@4:     if (!check(SecIdentityCopyPrivateKey(_identityRef, &keyRef), @"SecIdentityCopyPrivateKey"))
snej@4:         return NULL;
snej@4:     MYPrivateKey *privateKey = [[MYPrivateKey alloc] _initWithKeyRef: keyRef
snej@4:                                                           publicKey: self.publicKey];
snej@4:     CFRelease(keyRef);
snej@4:     return [privateKey autorelease];
snej@4: }
snej@4: 
snej@4: 
snej@5: #if !TARGET_OS_IPHONE
snej@5: 
snej@4: + (MYIdentity*) preferredIdentityForName: (NSString*)name
snej@4: {
snej@4:     Assert(name);
snej@4:     SecIdentityRef identityRef;
snej@8:     OSStatus err = SecIdentityCopyPreference((CFStringRef)name, 0, NULL, &identityRef);
snej@8:     if (err==errKCItemNotFound || !check(err,@"SecIdentityCopyPreference") || !identityRef)
snej@4:         return nil;
snej@8:     return [self identityWithIdentityRef: identityRef];
snej@4: }
snej@4: 
snej@4: - (BOOL) makePreferredIdentityForName: (NSString*)name {
snej@4:     Assert(name);
snej@4:     return check(SecIdentitySetPreference(_identityRef, (CFStringRef)name, 0),
snej@4:                  @"SecIdentitySetPreference");
snej@4: }
snej@4: 
snej@5: #endif !TARGET_OS_IPHONE
snej@5: 
snej@4: @end