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| 1 | +/** |
| 2 | + * Copyright (c) 2015-present, Parse, LLC. |
| 3 | + * All rights reserved. |
| 4 | + * |
| 5 | + * This source code is licensed under the BSD-style license found in the |
| 6 | + * LICENSE file in the root directory of this source tree. An additional grant |
| 7 | + * of patent rights can be found in the PATENTS file in the same directory. |
| 8 | + */ |
| 9 | + |
| 10 | +#import "PFFacebookDeviceAuthenticationProvider.h" |
| 11 | + |
| 12 | +#import <Bolts/BFExecutor.h> |
| 13 | +#import <Bolts/BFTaskCompletionSource.h> |
| 14 | + |
| 15 | +#import <FBSDKCoreKit/FBSDKApplicationDelegate.h> |
| 16 | +#import <FBSDKCoreKit/FBSDKAccessToken.h> |
| 17 | +#import <FBSDKCoreKit/FBSDKConstants.h> |
| 18 | +#import <FBSDKTVOSKit/FBSDKDeviceLoginViewController.h> |
| 19 | + |
| 20 | +#import "PFFacebookPrivateUtilities.h" |
| 21 | + |
| 22 | +@interface PFFacebookDeviceAuthenticationProvider () <FBSDKDeviceLoginViewControllerDelegate> { |
| 23 | + BFTaskCompletionSource *_loginTaskCompletionSource; |
| 24 | + FBSDKDeviceLoginViewController *_loginViewController; |
| 25 | +} |
| 26 | + |
| 27 | +@end |
| 28 | + |
| 29 | +@implementation PFFacebookDeviceAuthenticationProvider |
| 30 | + |
| 31 | +///-------------------------------------- |
| 32 | +#pragma mark - PFFacebookAuthenticationProvider |
| 33 | +///-------------------------------------- |
| 34 | + |
| 35 | +- (BFTask PF_GENERIC(NSDictionary<NSString *, NSString *>*)*)authenticateAsyncWithReadPermissions:(nullable NSArray PF_GENERIC(NSString *)*)readPermissions |
| 36 | + publishPermissions:(nullable NSArray PF_GENERIC(NSString *)*)publishPermissions |
| 37 | + fromViewComtroller:(UIViewController *)viewController { |
| 38 | + return [BFTask taskFromExecutor:[BFExecutor mainThreadExecutor] withBlock:^id _Nonnull{ |
| 39 | + if (_loginTaskCompletionSource) { |
| 40 | + return [NSError errorWithDomain:FBSDKErrorDomain |
| 41 | + code:FBSDKDialogUnavailableErrorCode |
| 42 | + userInfo:@{ NSLocalizedDescriptionKey : @"Another login attempt is already in progress." }]; |
| 43 | + } |
| 44 | + _loginTaskCompletionSource = [BFTaskCompletionSource taskCompletionSource]; |
| 45 | + _loginViewController = [[FBSDKDeviceLoginViewController alloc] init]; |
| 46 | + _loginViewController.delegate = self; |
| 47 | + _loginViewController.readPermissions = readPermissions; |
| 48 | + _loginViewController.publishPermissions = publishPermissions; |
| 49 | + |
| 50 | + [viewController presentViewController:_loginViewController animated:YES completion:nil]; |
| 51 | + |
| 52 | + return _loginTaskCompletionSource.task; |
| 53 | + }]; |
| 54 | +} |
| 55 | + |
| 56 | +///-------------------------------------- |
| 57 | +#pragma mark - PFUserAuthenticationDelegate |
| 58 | +///-------------------------------------- |
| 59 | + |
| 60 | +- (BOOL)restoreAuthenticationWithAuthData:(nullable NSDictionary PF_GENERIC(NSString *, NSString *)*)authData { |
| 61 | + if (!authData) { |
| 62 | + [FBSDKAccessToken setCurrentAccessToken:nil]; |
| 63 | + } |
| 64 | + return [super restoreAuthenticationWithAuthData:authData]; |
| 65 | +} |
| 66 | + |
| 67 | +///-------------------------------------- |
| 68 | +#pragma mark - FBSDKDeviceLoginViewController |
| 69 | +///-------------------------------------- |
| 70 | + |
| 71 | +- (void)deviceLoginViewControllerDidCancel:(FBSDKDeviceLoginViewController *)viewController { |
| 72 | + [_loginTaskCompletionSource trySetCancelled]; |
| 73 | + _loginViewController = nil; |
| 74 | + _loginTaskCompletionSource = nil; |
| 75 | +} |
| 76 | + |
| 77 | +- (void)deviceLoginViewControllerDidFinish:(FBSDKDeviceLoginViewController *)viewController { |
| 78 | + FBSDKAccessToken *accessToken = [FBSDKAccessToken currentAccessToken]; |
| 79 | + NSDictionary PF_GENERIC(NSString *,NSString*) *result = [PFFacebookPrivateUtilities userAuthenticationDataFromAccessToken:accessToken]; |
| 80 | + [_loginTaskCompletionSource trySetResult:result]; |
| 81 | + _loginViewController = nil; |
| 82 | + _loginTaskCompletionSource = nil; |
| 83 | +} |
| 84 | + |
| 85 | +- (void)deviceLoginViewControllerDidFail:(FBSDKDeviceLoginViewController *)viewController error:(NSError *)error { |
| 86 | + [_loginTaskCompletionSource trySetError:error]; |
| 87 | + _loginViewController = nil; |
| 88 | + _loginTaskCompletionSource = nil; |
| 89 | +} |
| 90 | + |
| 91 | +@end |
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