Keychain groups support

VENTouchLock/VENTouchLock.h

@@ -37,6 +37,22 @@ typedef NS_ENUM(NSUInteger, VENTouchLockTouchIDResponse) {
       passcodeAttemptLimit:(NSUInteger)attemptLimit
  splashViewControllerClass:(Class)splashViewControllerClass;
 
+/**
+ Set the defaults. This method should be called at launch. Access group is needed for keychain sharing.
+ @param service The keychain service for which to set and return a passcode
+ @param account The keychain account for which to set and return a passcode
+ @param accessGroup The keychain access group for which to set and return a shared passcode
+ @param splashViewControllerClass The class of the custom splash view controller. This class should be a subclass of VENTouchLockSplashViewController and any of its custom initialization must be in its init function
+ @param reason The default message displayed on the TouchID prompt
+ */
+- (void)setKeychainService:(NSString *)service
+           keychainAccount:(NSString *)account
+       keychainAccessGroup:(NSString *)accessGroup 
+             touchIDReason:(NSString *)reason
+      passcodeAttemptLimit:(NSUInteger)attemptLimit
+ splashViewControllerClass:(Class)splashViewControllerClass;
+
+
 /**
  Returns YES if a passcode exists, and NO otherwise.
  */

VENTouchLock/VENTouchLock.m

@@ -10,6 +10,7 @@ @interface VENTouchLock ()
 
 @property (copy, nonatomic) NSString *keychainService;
 @property (copy, nonatomic) NSString *keychainAccount;
+@property (copy, nonatomic) NSString *keychainAccessGroup; 
 @property (copy, nonatomic) NSString *touchIDReason;
 @property (assign, nonatomic) NSUInteger passcodeAttemptLimit;
 @property (assign, nonatomic) Class splashViewControllerClass;
@@ -62,6 +63,20 @@ - (void)setKeychainService:(NSString *)service
     self.splashViewControllerClass = splashViewControllerClass;
 }
 
+- (void)setKeychainService:(NSString *)service
+           keychainAccount:(NSString *)account
+       keychainAccessGroup:(NSString *)accessGroup
+             touchIDReason:(NSString *)reason
+      passcodeAttemptLimit:(NSUInteger)attemptLimit
+ splashViewControllerClass:(Class)splashViewControllerClass {
+
+    [self setKeychainService:service
+             keychainAccount:account
+               touchIDReason:reason
+        passcodeAttemptLimit:attemptLimit
+   splashViewControllerClass:splashViewControllerClass];
+    self.keychainAccessGroup = accessGroup;
+}
 
 #pragma mark - Keychain Methods
 
@@ -70,11 +85,14 @@ - (BOOL)isPasscodeSet
     return !![self currentPasscode];
 }
 
-- (NSString *)currentPasscode
-{
-    NSString *service = self.keychainService;
-    NSString *account = self.keychainAccount;
-    return [SSKeychain passwordForService:service account:account];
+- (NSString *)currentPasscode {
+
+    SSKeychainQuery *query = [[SSKeychainQuery alloc] init];
+    query.service =  self.keychainService;
+    query.account =  self.keychainAccount;
+    query.accessGroup = self.keychainAccessGroup;
+    [query fetch:nil];
+    return query.password;
 }
 
 - (BOOL)isPasscodeValid:(NSString *)passcode
@@ -84,9 +102,12 @@ - (BOOL)isPasscodeValid:(NSString *)passcode
 
 - (void)setPasscode:(NSString *)passcode
 {
-    NSString *service = self.keychainService;
-    NSString *account = self.keychainAccount;
-    [SSKeychain setPassword:passcode forService:service account:account];
+    SSKeychainQuery *query = [[SSKeychainQuery alloc] init];
+    query.service =  self.keychainService;
+    query.account =  self.keychainAccount;
+    query.accessGroup = self.keychainAccessGroup;
+    query.password = passcode;
+    [query save:nil];
 }
 
 - (void)deletePasscode
@@ -95,9 +116,11 @@ - (void)deletePasscode
     [VENTouchLockEnterPasscodeViewController resetPasscodeAttemptHistory];
     [[NSUserDefaults standardUserDefaults] synchronize];
 
-    NSString *service = self.keychainService;
-    NSString *account = self.keychainAccount;
-    [SSKeychain deletePasswordForService:service account:account];
+    SSKeychainQuery *query = [[SSKeychainQuery alloc] init];
+    query.service =  self.keychainService;
+    query.account =  self.keychainAccount;
+    query.accessGroup = self.keychainAccessGroup;
+    [query deleteItem:nil];
 }
 
 

VENTouchLockTests/VENTouchLockSpec.m

@@ -97,4 +97,64 @@
 
 });
 
-SpecEnd
+SpecEnd
+
+SpecBegin(VENTouchLockAccessGroup)
+
+beforeAll(^{
+    [[VENTouchLock sharedInstance] setKeychainService:@"keychainService"
+                                      keychainAccount:@"keychainAccount"
+                                  keychainAccessGroup:@"keychainAccessGroupAccount"
+                                        touchIDReason:@"touchIDReason"
+                                 passcodeAttemptLimit:0
+                            splashViewControllerClass:NULL];
+});
+
+beforeEach(^{
+    [[VENTouchLock sharedInstance] deletePasscode];
+});
+
+describe(@"setPasscode:", ^{
+
+    it(@"should register a passcode with VENTouchLock", ^{
+        VENTouchLock *touchLock = [VENTouchLock sharedInstance];
+        expect([touchLock isPasscodeSet]).to.equal(NO);
+        expect([touchLock currentPasscode]).to.beNil();
+
+        [[VENTouchLock sharedInstance] setPasscode:@"testPasscode"];
+
+        expect([touchLock isPasscodeSet]).to.equal(YES);
+        expect([touchLock currentPasscode]).to.equal(@"testPasscode");
+    });
+
+});
+
+describe(@"isPasscodeValid", ^{
+
+    it(@"should return YES if the parameter sent is equal to the set passcode and NO otherwise", ^{
+        VENTouchLock *touchLock = [VENTouchLock sharedInstance];
+        [touchLock setPasscode:@"testPasscode"];
+        expect([touchLock isPasscodeValid:@"testPasscode"]).to.equal(YES);
+        expect([touchLock isPasscodeValid:@"wrongPasscode"]).to.equal(NO);
+    });
+
+});
+
+describe(@"deletePasscode", ^{
+
+    it(@"should register a passcode with VENTouchLock", ^{
+        VENTouchLock *touchLock = [VENTouchLock sharedInstance];
+
+        [[VENTouchLock sharedInstance] setPasscode:@"testPasscode"];
+        expect([touchLock isPasscodeSet]).to.equal(YES);
+        expect([touchLock currentPasscode]).to.equal(@"testPasscode");
+
+        [touchLock deletePasscode];
+
+        expect([touchLock isPasscodeSet]).to.equal(NO);
+        expect([touchLock currentPasscode]).to.beNil();
+    });
+
+});
+
+SpecEnd