59 lines
2.1 KiB
Mathematica
59 lines
2.1 KiB
Mathematica
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// KeychainManager.m
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// Unity-iPhone
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//
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// Created by fotoable on 2020/6/29.
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//
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#import "KeyChainManager.h"
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#import <Security/Security.h>
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@implementation KeyChainManager
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+ (NSMutableDictionary *)getKeychainQuery:(NSString *)service
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{
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return [NSMutableDictionary dictionaryWithObjectsAndKeys:(__bridge_transfer id)kSecClassGenericPassword,(__bridge_transfer id)kSecClass,
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service, (__bridge_transfer id)kSecAttrService,
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service, (__bridge_transfer id)kSecAttrAccount,
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(__bridge_transfer id)kSecAttrAccessibleAfterFirstUnlock, (__bridge_transfer id)kSecAttrAccessible, nil];
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}
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+ (void)save:(NSString *)service data:(id)data
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{
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//Get search dictionary
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NSMutableDictionary *keychainQuery = [self getKeychainQuery:service];
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//Delete old item before add new item
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SecItemDelete((__bridge_retained CFDictionaryRef)keychainQuery);
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//Add new object to search dictionary(Attention:the data format)
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[keychainQuery setObject:[NSKeyedArchiver archivedDataWithRootObject:data] forKey:(__bridge_transfer id)kSecValueData];
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//Add item to keychain with the search dictionary
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SecItemAdd((__bridge_retained CFDictionaryRef)keychainQuery, NULL);
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}
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+ (id)load:(NSString *)service
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{
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id ret = nil;
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NSMutableDictionary *keychainQuery = [self getKeychainQuery:service];
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//Configure the search setting
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[keychainQuery setObject:(id)kCFBooleanTrue forKey:(__bridge_transfer id)kSecReturnData];
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[keychainQuery setObject:(__bridge_transfer id)kSecMatchLimitOne forKey:(__bridge_transfer id)kSecMatchLimit];
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CFDataRef keyData = NULL;
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if (SecItemCopyMatching((__bridge_retained CFDictionaryRef)keychainQuery, (CFTypeRef *)&keyData) == noErr) {
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@try {
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ret = [NSKeyedUnarchiver unarchiveObjectWithData:(__bridge_transfer NSData *)keyData];
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} @catch (NSException *e) {
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NSLog(@"Unarchive of %@ failed: %@", service, e);
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} @finally {
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}
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}
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return ret;
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}
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+ (void)delete:(NSString *)service
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{
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NSMutableDictionary *keychainQuery = [self getKeychainQuery:service];
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SecItemDelete((__bridge_retained CFDictionaryRef)keychainQuery);
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}
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@end
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