Twitter integration

FirebaseTwitterAuthUI/FIRTwitterAuthUI.h

@@ -0,0 +1,28 @@
+//
+//  Copyright (c) 2016 Google Inc.
+//
+//  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//
+//  http://www.apache.org/licenses/LICENSE-2.0
+//
+//  Unless required by applicable law or agreed to in writing, software
+//  distributed under the License is distributed on an "AS IS" BASIS,
+//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//  See the License for the specific language governing permissions and
+//  limitations under the License.
+//
+
+#import <FirebaseAuthUI/FIRAuthUI.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+/** @class FIRTwitterAuthUI
+ @brief AuthUI components for Twitter Sign In.
+ */
+@interface FIRTwitterAuthUI : NSObject <FIRAuthProviderUI>
+
+@end
+
+NS_ASSUME_NONNULL_END

FirebaseTwitterAuthUI/FIRTwitterAuthUI.m

@@ -0,0 +1,143 @@
+//
+//  Copyright (c) 2016 Google Inc.
+//
+//  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//
+//  http://www.apache.org/licenses/LICENSE-2.0
+//
+//  Unless required by applicable law or agreed to in writing, software
+//  distributed under the License is distributed on an "AS IS" BASIS,
+//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//  See the License for the specific language governing permissions and
+//  limitations under the License.
+//
+
+#import <FirebaseAuth/FIRTwitterAuthProvider.h>
+#import <FirebaseAuthUI/FIRAuthUIErrorUtils.h>
+#import <TwitterKit/TwitterKit.h>
+#import "FIRTwitterAuthUI.h"
+
+/** @var kBundleFileName
+ @brief The name of the bundle containing Twitter auth provider assets/resources.
+ */
+static NSString *const kBundleFileName = @"FirebaseTwitterAuthUIBundle.bundle";
+
+/** @var kTableName
+ @brief The name of the strings table to search for localized strings.
+ */
+static NSString *const kTableName = @"FirebaseTwitterAuthUI";
+
+/** @var kSignInWithTwitter
+ @brief The string key for localized button text.
+ */
+static NSString *const kSignInWithTwitter = @"SignInWithTwitter";
+
+@implementation FIRTwitterAuthUI
+
+/** @fn frameworkBundle
+ @brief Returns the auth provider's resource bundle.
+ @return Resource bundle for the auth provider.
+ */
++ (NSBundle *)frameworkBundle {
+  static NSBundle *frameworkBundle = nil;
+  static dispatch_once_t predicate;
+  dispatch_once(&predicate, ^{
+    NSString *mainBundlePath = [[NSBundle mainBundle] resourcePath];
+    NSString *frameworkBundlePath =
+    [mainBundlePath stringByAppendingPathComponent:kBundleFileName];
+    frameworkBundle = [NSBundle bundleWithPath:frameworkBundlePath];
+    if (!frameworkBundle) {
+      frameworkBundle = [NSBundle mainBundle];
+    }
+  });
+  return frameworkBundle;
+}
+
+/** @fn imageNamed:
+ @brief Returns an image from the resource bundle given a resource name.
+ @param name The name of the image file.
+ @return The image object for the named file.
+ */
++ (UIImage *)imageNamed:(NSString *)name {
+  NSString *path = [[[self class] frameworkBundle] pathForResource:name ofType:@"png"];
+  return [UIImage imageWithContentsOfFile:path];
+}
+
+/** @fn localizedStringForKey:
+ @brief Returns the localized text associated with a given string key. Will default to english
+ text if the string is not available for the current localization.
+ @param key A string key which identifies localized text in the .strings files.
+ @return Localized value of the string identified by the key.
+ */
++ (NSString *)localizedStringForKey:(NSString *)key {
+  NSBundle *frameworkBundle = [[self class] frameworkBundle];
+  return [frameworkBundle localizedStringForKey:key value:nil table:kTableName];
+}
+
+#pragma mark - FIRAuthProviderUI
+
+- (NSString *)providerID {
+  return FIRTwitterAuthProviderID;
+}
+
+- (NSString *)shortName {
+  return @"Twitter";
+}
+
+- (NSString *)signInLabel {
+  return [[self class] localizedStringForKey:kSignInWithTwitter];
+}
+
+- (UIImage *)icon {
+  return [[self class] imageNamed:@"ic_twitter"];
+}
+
+- (UIColor *)buttonBackgroundColor {
+  return [UIColor colorWithRed:71.0f/255.0f green:154.0f/255.0f blue:234.0f/255.0f alpha:1.0f];
+}
+
+- (UIColor *)buttonTextColor {
+  return [UIColor whiteColor];
+}
+
+- (void)signInWithAuth:(FIRAuth *)auth
+                 email:(nullable NSString *)email
+presentingViewController:(nullable UIViewController *)presentingViewController
+            completion:(nullable FIRAuthProviderSignInCompletionBlock)completion {
+
+  [[Twitter sharedInstance]
+   logInWithCompletion:^(TWTRSession * _Nullable session, NSError * _Nullable error) {
+     if (session) {
+       FIRAuthCredential *credential =
+       [FIRTwitterAuthProvider credentialWithToken:session.authToken
+                                            secret:session.authTokenSecret];
+       if (completion) {
+         completion(credential, nil);
+       }
+     } else {
+       NSError *newError =
+       [FIRAuthUIErrorUtils providerErrorWithUnderlyingError:error
+                                                  providerID:FIRTwitterAuthProviderID];
+       if (completion) {
+         completion(nil, newError);
+       }
+     }
+   }];
+}
+
+- (void)signOutWithAuth:(FIRAuth *)auth {
+  NSString *twitterUserID = [TWTRAPIClient clientWithCurrentUser].userID;
+  if (twitterUserID) {
+    [[Twitter sharedInstance].sessionStore logOutUserID:twitterUserID];
+  }
+}
+
+- (BOOL)handleOpenURL:(NSURL *)URL sourceApplication:(NSString *)sourceApplication {
+  return [[Twitter sharedInstance] application:[UIApplication sharedApplication]
+                                       openURL:URL options:nil];
+
+}
+
+@end

FirebaseTwitterAuthUI/FirebaseTwitterAuthUI.h

@@ -0,0 +1,27 @@
+//
+//  Copyright (c) 2016 Google Inc.
+//
+//  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//
+//  http://www.apache.org/licenses/LICENSE-2.0
+//
+//  Unless required by applicable law or agreed to in writing, software
+//  distributed under the License is distributed on an "AS IS" BASIS,
+//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//  See the License for the specific language governing permissions and
+//  limitations under the License.
+//
+
+#import <UIKit/UIKit.h>
+
+//! Project version number for FirebaseTwitterAuthUI.
+FOUNDATION_EXPORT double FirebaseTwitterAuthUIVersionNumber;
+
+//! Project version string for FirebaseTwitterAuthUI.
+FOUNDATION_EXPORT const unsigned char FirebaseTwitterAuthUIVersionString[];
+
+#import <FirebaseTwitterAuthUI/FIRTwitterAuthUI.h>
+
+

FirebaseTwitterAuthUI/Info.plist

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>FMWK</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>$(CURRENT_PROJECT_VERSION)</string>
+	<key>NSPrincipalClass</key>
+	<string></string>
+</dict>
+</plist>

FirebaseTwitterAuthUI/Strings/en.lproj/FirebaseTwitterAuthUI.strings

@@ -0,0 +1,2 @@
+// The text of the button used to sign-in with Twitter.
+"SignInWithTwitter" = "Sign in with Twitter";

FirebaseTwitterAuthUITests/FirebaseTwitterAuthUITests.m

@@ -0,0 +1,25 @@
+//
+//  Copyright (c) 2016 Google Inc.
+//
+//  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//
+//  http://www.apache.org/licenses/LICENSE-2.0
+//
+//  Unless required by applicable law or agreed to in writing, software
+//  distributed under the License is distributed on an "AS IS" BASIS,
+//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//  See the License for the specific language governing permissions and
+//  limitations under the License.
+//
+
+#import <XCTest/XCTest.h>
+
+@interface FirebaseTwitterAuthUITests : XCTestCase
+
+@end
+
+@implementation FirebaseTwitterAuthUITests
+
+@end

FirebaseTwitterAuthUITests/Info.plist

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>BNDL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+</dict>
+</plist>

FirebaseUI.podspec

@@ -18,6 +18,7 @@ Pod::Spec.new do |s|
     all.dependency 'FirebaseUI/Auth'
     all.dependency 'FirebaseUI/Facebook'
     all.dependency 'FirebaseUI/Google'
+    all.dependency 'FirebaseUI/Twitter'
   end
 
   s.subspec 'Database' do |database|
@@ -44,4 +45,11 @@ Pod::Spec.new do |s|
     google.dependency 'GoogleSignIn', '~> 4.0'
     google.resources = 'FirebaseUIFrameworks/FirebaseGoogleAuthUI/Frameworks/FirebaseGoogleAuthUI.framework/*.{nib,lproj,png}'
   end
+
+  s.subspec 'Twitter' do |twitter|
+    twitter.vendored_frameworks = ["FirebaseUIFrameworks/FirebaseTwitterAuthUI/Frameworks/FirebaseTwitterAuthUI.framework"]
+    twitter.dependency 'FirebaseUI/Auth'
+    twitter.dependency 'TwitterKit', '~> 2.4'
+    twitter.resources = 'FirebaseUIFrameworks/FirebaseTwitterAuthUI/Frameworks/FirebaseTwitterAuthUI.framework/*.{nib,lproj,png}'
+  end
 end