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Implement Anonymous Login as a Provider (#505)
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‎FirebaseAnonymousAuthUI/FUIAnonymousAuth.h‎

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//
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// Copyright (c) 2016 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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@class FUIAuth;
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#import "FUIAuthProvider.h"
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NS_ASSUME_NONNULL_BEGIN
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/** @class FUIAnonymousAuth
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@brief AuthUI components for Anonymous Sign In.
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*/
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@interface FUIAnonymousAuth : NSObject <FUIAuthProvider>
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/** @fn init
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@brief Initialize the instance with the default AuthUI.
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*/
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- (instancetype)init;
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/** @fn initWithAuthUI:
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@param authUI The @c FUIAuth instance that manages controllers of this provider.
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*/
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- (instancetype)initWithAuthUI:(FUIAuth *)authUI NS_DESIGNATED_INITIALIZER;
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@end
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NS_ASSUME_NONNULL_END

‎FirebaseAnonymousAuthUI/FUIAnonymousAuth.m‎

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//
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// Copyright (c) 2016 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#import "FUIAnonymousAuth.h"
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#import "FUIAuth_Internal.h"
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#import "FUIAuthBaseViewController.h"
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#import "FUIAuthErrorUtils.h"
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#import "FUIAuthBaseViewController_Internal.h"
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#import "FUIAuthStrings.h"
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#import "FUIAuthUtils.h"
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/** @var kTableName
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@brief The name of the strings table to search for localized strings.
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*/
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static NSString *const kTableName = @"FirebaseAnonymousAuthUI";
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/** @var kBundleName
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@brief The name of the bundle to search for resources.
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*/
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static NSString *const kBundleName = @"FirebaseAnonymousAuthUI";
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/** @var kSignInAsGuest
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@brief The string key for localized button text.
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*/
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static NSString *const kSignInAsGuest = @"SignInAsGuest";
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NS_ASSUME_NONNULL_BEGIN
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@implementation FUIAnonymousAuth {
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/** The @c FUIAuth instance of the application. */
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FUIAuth *_authUI;
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/** @var _presentingViewController
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@brief The presenting view controller for interactive sign-in.
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*/
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UIViewController *_presentingViewController;
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}
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- (instancetype)init {
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return [self initWithAuthUI:[FUIAuth defaultAuthUI]];
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}
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- (instancetype)initWithAuthUI:(FUIAuth *)authUI {
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if (self = [super init]) {
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_authUI = authUI;
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}
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return self;
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}
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#pragma mark - FUIAuthProvider
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- (nullable NSString *)providerID {
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return nil;
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}
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/** @fn accessToken:
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@brief Anonymous Auth token is matched by FirebaseUI User Access Token
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*/
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- (nullable NSString *)accessToken {
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return nil;
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}
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/** @fn idToken:
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@brief Anonymous Auth Token Secret is matched by FirebaseUI User Id Token
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*/
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- (nullable NSString *)idToken {
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return nil;
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}
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- (NSString *)shortName {
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return @"Anonymous";
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}
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- (NSString *)signInLabel {
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return FUILocalizedStringFromTableInBundle(kSignInAsGuest, kTableName, kBundleName);
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}
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- (UIImage *)icon {
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return [FUIAuthUtils imageNamed:@"ic_anonymous" fromBundle:kBundleName];
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}
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- (UIColor *)buttonBackgroundColor {
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return [UIColor colorWithRed:244.0f/255.0f green:180.0f/255.0f blue:0.0f/255.0f alpha:1.0f];
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}
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- (UIColor *)buttonTextColor {
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return [UIColor whiteColor];
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}
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wdeprecated-implementations"
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- (void)signInWithEmail:(nullable NSString *)email
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presentingViewController:(nullable UIViewController *)presentingViewController
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completion:(nullable FIRAuthProviderSignInCompletionBlock)completion {
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[self signInWithDefaultValue:email
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presentingViewController:presentingViewController
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completion:completion];
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}
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#pragma clang diagnostic pop
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- (void)signInWithDefaultValue:(nullable NSString *)defaultValue
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presentingViewController:(nullable UIViewController *)presentingViewController
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completion:(nullable FIRAuthProviderSignInCompletionBlock)completion {
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[_authUI.auth signInAnonymouslyWithCompletion:^(FIRAuthDataResult * _Nullable authResult,
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NSError * _Nullable error) {
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if (error) {
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[FUIAuthBaseViewController showAlertWithMessage:error.localizedDescription
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presentingViewController:presentingViewController];
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if (completion) {
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completion(nil, error, nil);
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}
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return;
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}
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if (completion) {
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completion(nil, error, nil);
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}
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}];
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}
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- (void)signOut {
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FIRUser *user = _authUI.auth.currentUser;
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__weak UIViewController *weakController = _presentingViewController;
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if (user.isAnonymous) {
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[user deleteWithCompletion:^(NSError * _Nullable error) {
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if (error) {
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__strong UIViewController *presentingViewController = weakController;
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[FUIAuthBaseViewController showAlertWithMessage:error.localizedDescription
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presentingViewController:presentingViewController];
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return;
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}
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}];
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}
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}
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@end
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NS_ASSUME_NONNULL_END

‎FirebaseAnonymousAuthUI/FirebaseAnonymousAuthUI.h‎

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//
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// Copyright (c) 2016 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#import <UIKit/UIKit.h>
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//! Project version number for FirebaseAnonymousAuthUI.
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FOUNDATION_EXPORT double FirebaseAnonymousAuthUIVersionNumber;
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//! Project version string for FirebaseAnonymousAuthUI.
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FOUNDATION_EXPORT const unsigned char FirebaseAnonymousAuthUIVersionString[];
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#import "FUIAnonymousAuth.h"
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‎FirebaseAnonymousAuthUI/Info.plist‎

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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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<plist version="1.0">
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<dict>
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<key>CFBundleDevelopmentRegion</key>
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<string>en</string>
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<key>CFBundleExecutable</key>
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<string>$(EXECUTABLE_NAME)</string>
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<key>CFBundleIdentifier</key>
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<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
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<key>CFBundleInfoDictionaryVersion</key>
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<string>6.0</string>
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<key>CFBundleName</key>
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<string>$(PRODUCT_NAME)</string>
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<key>CFBundlePackageType</key>
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<string>FMWK</string>
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<key>CFBundleShortVersionString</key>
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<string>1.0</string>
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<key>CFBundleSignature</key>
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<string>????</string>
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<key>CFBundleVersion</key>
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<string>$(CURRENT_PROJECT_VERSION)</string>
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<key>NSPrincipalClass</key>
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<string></string>
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</dict>
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</plist>

‎FirebaseAnonymousAuthUI/Resources/ic_anonymous.png‎

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‎FirebaseAnonymousAuthUI/Resources/[email protected]‎

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‎FirebaseAnonymousAuthUI/Resources/[email protected]‎

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‎FirebaseAnonymousAuthUI/Strings/en.lproj/FirebaseAnonymousAuthUI.strings‎

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/* The text of the button used to sign-in with guest. */
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"SignInAsGuest" = "Sign in as guest";

‎FirebaseAnonymousAuthUITests/FirebaseAnonymousAuthUITests.m‎

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//
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// Copyright (c) 2016 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#import "FUIAnonymousAuth.h"
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#import <FirebaseAuth/FirebaseAuth.h>
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#import <FirebaseAuthUI/FUIAuthErrorUtils.h>
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#import "FUIAuthUtils.h"
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#import <FirebaseAuthUI/FUIAuth.h>
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#import <FirebaseAnonymousAuthUI/FirebaseAnonymousAuthUI.h>
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#import <OCMock/OCMock.h>
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#import <XCTest/XCTest.h>
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@interface FirebaseAnonymousAuthUITests : XCTestCase
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@property (nonatomic, strong) FUIAnonymousAuth *provider;
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@end
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@implementation FirebaseAnonymousAuthUITests
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- (void)setUp {
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[super setUp];
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id mockUtilsClass = OCMClassMock([FUIAuthUtils class]);
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OCMStub(ClassMethod([mockUtilsClass bundleNamed:OCMOCK_ANY])).
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andReturn([NSBundle bundleForClass:[FUIAnonymousAuth class]]);
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id authUIClass = OCMClassMock([FUIAuth class]);
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OCMStub(ClassMethod([authUIClass authUIWithAuth:OCMOCK_ANY])).
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andReturn(authUIClass);
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id authClass = OCMClassMock([FIRAuth class]);
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OCMStub(ClassMethod([authClass auth])).
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andReturn(authClass);
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FIRAuth *auth = [FIRAuth auth];
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FUIAuth *authUI = [FUIAuth authUIWithAuth:auth];
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self.provider = [[FUIAnonymousAuth alloc] initWithAuthUI:authUI];
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}
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- (void)tearDown {
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self.provider = nil;
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[super tearDown];
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}
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- (void)testProviderValidity {
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XCTAssertNotNil(self.provider);
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XCTAssertNotNil(self.provider.icon);
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XCTAssertNotNil(self.provider.signInLabel);
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XCTAssertNotNil(self.provider.buttonBackgroundColor);
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XCTAssertNotNil(self.provider.buttonTextColor);
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XCTAssertNil(self.provider.providerID);
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XCTAssertNotNil(self.provider.shortName);
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XCTAssertTrue(self.provider.signInLabel.length != 0);
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XCTAssertNil(self.provider.accessToken);
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XCTAssertNil(self.provider.idToken);
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}
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@end

‎FirebaseAnonymousAuthUITests/Info.plist‎

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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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<plist version="1.0">
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<dict>
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<key>CFBundleDevelopmentRegion</key>
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<string>en</string>
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<key>CFBundleExecutable</key>
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<string>$(EXECUTABLE_NAME)</string>
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<key>CFBundleIdentifier</key>
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<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
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<key>CFBundleInfoDictionaryVersion</key>
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<string>6.0</string>
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<key>CFBundleName</key>
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<string>$(PRODUCT_NAME)</string>
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<key>CFBundlePackageType</key>
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<string>BNDL</string>
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<key>CFBundleShortVersionString</key>
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<string>1.0</string>
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<key>CFBundleSignature</key>
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<string>????</string>
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<key>CFBundleVersion</key>
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<string>1</string>
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</dict>
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</plist>

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