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VALLegacySinglePromptSecureEnclaveValet.m
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VALLegacySinglePromptSecureEnclaveValet.m
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//
// VALLegacySinglePromptSecureEnclaveValet.m
// Valet
//
// Created by Dan Federman on 1/23/17.
// Copyright © 2017 Square, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#import "VALLegacySinglePromptSecureEnclaveValet.h"
#import "VALLegacySecureEnclaveValet_Protected.h"
#import "VALLegacyValet_Protected.h"
#import "ValetDefines.h"
#if VAL_SECURE_ENCLAVE_SDK_AVAILABLE
#import <LocalAuthentication/LocalAuthentication.h>
@interface VALLegacySinglePromptSecureEnclaveValet ()
@property (nonnull, strong, readwrite) LAContext *context;
@end
@implementation VALLegacySinglePromptSecureEnclaveValet
#pragma mark - Initialization
- (nullable instancetype)initWithIdentifier:(nonnull NSString *)identifier accessControl:(VALAccessControl)accessControl;
{
self = [super initWithIdentifier:identifier accessControl:accessControl];
if (self != nil) {
_context = [LAContext new];
}
return self;
}
- (nullable instancetype)initWithSharedAccessGroupIdentifier:(nonnull NSString *)sharedAccessGroupIdentifier accessControl:(VALAccessControl)accessControl;
{
self = [super initWithSharedAccessGroupIdentifier:sharedAccessGroupIdentifier accessControl:accessControl];
if (self != nil) {
_context = [LAContext new];
}
return self;
}
#pragma mark - VALValet
- (nullable NSData *)objectForKey:(nonnull NSString *)key;
{
return [self objectForKey:key options:[self _contextOptions] status:nil];
}
- (nullable NSString *)stringForKey:(nonnull NSString *)key;
{
return [self stringForKey:key options:[self _contextOptions] status:nil];
}
#pragma mark - VALLegacySecureEnclaveValet
- (nullable NSData *)objectForKey:(nonnull NSString *)key userPrompt:(nullable NSString *)userPrompt;
{
return [self objectForKey:key userPrompt:userPrompt userCancelled:nil options:[self _contextOptions]];
}
- (nullable NSData *)objectForKey:(nonnull NSString *)key userPrompt:(nullable NSString *)userPrompt userCancelled:(nullable inout BOOL *)userCancelled;
{
return [self objectForKey:key userPrompt:userPrompt userCancelled:userCancelled options:[self _contextOptions]];
}
- (nullable NSString *)stringForKey:(nonnull NSString *)key userPrompt:(nullable NSString *)userPrompt;
{
return [self stringForKey:key userPrompt:userPrompt userCancelled:nil options:[self _contextOptions]];
}
- (nullable NSString *)stringForKey:(nonnull NSString *)key userPrompt:(nullable NSString *)userPrompt userCancelled:(nullable inout BOOL *)userCancelled;
{
return [self stringForKey:key userPrompt:userPrompt userCancelled:userCancelled options:[self _contextOptions]];
}
#pragma mark - Public Methods
- (void)requirePromptOnNextAccess;
{
VALAtomicSecItemLock(^{
[self.context invalidate];
self.context = [LAContext new];
});
}
#pragma mark - Private Methods
- (nonnull NSDictionary *)_contextOptions;
{
return @{ (__bridge id)kSecUseAuthenticationContext : self.context };
}
@end
#else // Below this line we're in !VAL_SECURE_ENCLAVE_SDK_AVAILABLE, meaning none of our API is actually usable. Return NO or nil everywhere.
@implementation VALLegacySinglePromptSecureEnclaveValet
- (void)requirePromptOnNextAccess;
{
VALCheckCondition(NO, , @"VALLegacySinglePromptSecureEnclaveValet unsupported on this SDK");
}
@end
#endif // VAL_SECURE_ENCLAVE_SDK_AVAILABLE