148 lines
4.0 KiB
Objective-C
148 lines
4.0 KiB
Objective-C
//
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// SAMKeychainQuery.h
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// SAMKeychain
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//
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// Created by Caleb Davenport on 3/19/13.
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// Copyright (c) 2013-2014 Sam Soffes. All rights reserved.
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//
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#if __has_feature(modules)
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@import Foundation;
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@import Security;
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#else
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#import <Foundation/Foundation.h>
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#import <Security/Security.h>
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#endif
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NS_ASSUME_NONNULL_BEGIN
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#if __IPHONE_7_0 || __MAC_10_9
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// Keychain synchronization available at compile time
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#define SAMKEYCHAIN_SYNCHRONIZATION_AVAILABLE 1
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#endif
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#if __IPHONE_3_0 || __MAC_10_9
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// Keychain access group available at compile time
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#define SAMKEYCHAIN_ACCESS_GROUP_AVAILABLE 1
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#endif
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#ifdef SAMKEYCHAIN_SYNCHRONIZATION_AVAILABLE
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typedef NS_ENUM(NSUInteger, SAMKeychainQuerySynchronizationMode) {
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SAMKeychainQuerySynchronizationModeAny,
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SAMKeychainQuerySynchronizationModeNo,
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SAMKeychainQuerySynchronizationModeYes
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};
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#endif
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/**
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Simple interface for querying or modifying keychain items.
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*/
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@interface SAMKeychainQuery : NSObject
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/** kSecAttrAccount */
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@property (nonatomic, copy, nullable) NSString *account;
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/** kSecAttrService */
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@property (nonatomic, copy, nullable) NSString *service;
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/** kSecAttrLabel */
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@property (nonatomic, copy, nullable) NSString *label;
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#ifdef SAMKEYCHAIN_ACCESS_GROUP_AVAILABLE
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/** kSecAttrAccessGroup (only used on iOS) */
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@property (nonatomic, copy, nullable) NSString *accessGroup;
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#endif
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#ifdef SAMKEYCHAIN_SYNCHRONIZATION_AVAILABLE
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/** kSecAttrSynchronizable */
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@property (nonatomic) SAMKeychainQuerySynchronizationMode synchronizationMode;
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#endif
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/** Root storage for password information */
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@property (nonatomic, copy, nullable) NSData *passwordData;
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/**
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This property automatically transitions between an object and the value of
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`passwordData` using NSKeyedArchiver and NSKeyedUnarchiver.
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*/
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@property (nonatomic, copy, nullable) id<NSCoding> passwordObject;
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/**
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Convenience accessor for setting and getting a password string. Passes through
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to `passwordData` using UTF-8 string encoding.
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*/
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@property (nonatomic, copy, nullable) NSString *password;
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///------------------------
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/// @name Saving & Deleting
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///------------------------
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/**
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Save the receiver's attributes as a keychain item. Existing items with the
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given account, service, and access group will first be deleted.
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@param error Populated should an error occur.
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@return `YES` if saving was successful, `NO` otherwise.
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*/
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- (BOOL)save:(NSError **)error;
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/**
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Delete keychain items that match the given account, service, and access group.
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@param error Populated should an error occur.
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@return `YES` if saving was successful, `NO` otherwise.
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*/
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- (BOOL)deleteItem:(NSError **)error;
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///---------------
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/// @name Fetching
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///---------------
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/**
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Fetch all keychain items that match the given account, service, and access
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group. The values of `password` and `passwordData` are ignored when fetching.
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@param error Populated should an error occur.
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@return An array of dictionaries that represent all matching keychain items or
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`nil` should an error occur.
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The order of the items is not determined.
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*/
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- (nullable NSArray<NSDictionary<NSString *, id> *> *)fetchAll:(NSError **)error;
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/**
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Fetch the keychain item that matches the given account, service, and access
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group. The `password` and `passwordData` properties will be populated unless
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an error occurs. The values of `password` and `passwordData` are ignored when
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fetching.
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@param error Populated should an error occur.
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@return `YES` if fetching was successful, `NO` otherwise.
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*/
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- (BOOL)fetch:(NSError **)error;
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///-----------------------------
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/// @name Synchronization Status
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///-----------------------------
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#ifdef SAMKEYCHAIN_SYNCHRONIZATION_AVAILABLE
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/**
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Returns a boolean indicating if keychain synchronization is available on the device at runtime. The #define
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SAMKEYCHAIN_SYNCHRONIZATION_AVAILABLE is only for compile time. If you are checking for the presence of synchronization,
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you should use this method.
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@return A value indicating if keychain synchronization is available
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*/
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+ (BOOL)isSynchronizationAvailable;
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#endif
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@end
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NS_ASSUME_NONNULL_END
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