Initial commit

.gitignore

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+xcuserdata
+Carthage/Build
+

.gitmodules

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+[submodule "Carthage/Checkouts/xcconfigs"]
+	path = Carthage/Checkouts/xcconfigs
+	url = https://github.com/jspahrsummers/xcconfigs.git

Cartfile.private

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+github "jspahrsummers/xcconfigs" ~> 0.9
+

Cartfile.resolved

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+github "jspahrsummers/xcconfigs" "0.9"

Demo/AppDelegate.h

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+//
+//  AppDelegate.h
+//  WFOAuth2
+//
+//  Created by Conrad Kramer on 3/24/16.
+//  Copyright © 2016 DeskConnect, Inc. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@interface AppDelegate : UIResponder <UIApplicationDelegate>
+
+@property (strong, nonatomic) UIWindow *window;
+
+@end

Demo/AppDelegate.m

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+//
+//  AppDelegate.m
+//  WFOAuth2
+//
+//  Created by Conrad Kramer on 3/24/16.
+//  Copyright © 2016 DeskConnect, Inc. All rights reserved.
+//
+
+#import "AppDelegate.h"
+#import "ViewController.h"
+
+@implementation AppDelegate
+
+- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
+    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
+    self.window.rootViewController = [[ViewController alloc] init];
+    [self.window makeKeyAndVisible];
+
+    return YES;
+}
+
+@end

Demo/Base.lproj/LaunchScreen.storyboard

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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="10116" systemVersion="15D21" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" initialViewController="01J-lp-oVM">
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="10085"/>
+    </dependencies>
+    <scenes>
+        <!--View Controller-->
+        <scene sceneID="EHf-IW-A2E">
+            <objects>
+                <viewController id="01J-lp-oVM" sceneMemberID="viewController">
+                    <layoutGuides>
+                        <viewControllerLayoutGuide type="top" id="Llm-lL-Icb"/>
+                        <viewControllerLayoutGuide type="bottom" id="xb3-aO-Qok"/>
+                    </layoutGuides>
+                    <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
+                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="53" y="375"/>
+        </scene>
+    </scenes>
+</document>

Demo/Demo.xcconfig

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+//
+//  Demo.xcconfig
+//  WFOAuth2
+//
+//  Created by Conrad Kramer on 3/24/16.
+//  Copyright © 2016 DeskConnect, Inc. All rights reserved.
+//
+
+#include "../Carthage/Checkouts/xcconfigs/iOS/iOS-Application.xcconfig"
+
+PRODUCT_NAME = Demo
+INFOPLIST_FILE = Demo/Info.plist
+PRODUCT_BUNDLE_IDENTIFIER = com.deskconnect.WFOAuth2.demo
+ALWAYS_SEARCH_USER_PATHS = NO
+CLANG_ENABLE_MODULES = YES
+CLANG_ENABLE_OBJC_ARC = YES
+
+ONLY_ACTIVE_ARCH[config=Debug] = YES
+GCC_OPTIMIZATION_LEVEL[config=Debug] = 0
+COPY_PHASE_STRIP[config=Debug] = NO

Demo/Info.plist

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+<?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>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UILaunchStoryboardName</key>
+	<string>LaunchScreen</string>
+	<key>UIRequiredDeviceCapabilities</key>
+	<array>
+		<string>armv7</string>
+	</array>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+</dict>
+</plist>

Demo/LoginViewController.h

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+//
+//  LoginViewController.h
+//  WFOAuth2
+//
+//  Created by Conrad Kramer on 3/25/16.
+//  Copyright © 2016 DeskConnect, Inc. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+#import <WFOAuth2/WFOAuth2.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@class LoginViewController;
+
+@protocol LoginViewControllerDelegate <NSObject>
+@optional
+- (void)loginViewController:(LoginViewController *)loginViewController didAuthenticateWithCredential:(WFOAuth2Credential *)credential;
+- (void)loginViewController:(LoginViewController *)loginViewController didFailWithError:(nullable NSError *)error;
+- (void)loginViewControllerDidCancel:(LoginViewController *)loginViewController;
+@end
+
+@interface LoginViewController : UIViewController
+
+@property (nonatomic, weak) id<LoginViewControllerDelegate> delegate;
+
+- (instancetype)init NS_UNAVAILABLE;
+- (instancetype)initWithNibName:(nullable NSString *)nibNameOrNil bundle:(nullable NSBundle *)nibBundleOrNil NS_UNAVAILABLE;
+- (instancetype)initWithSessionManager:(WFOAuth2SessionManager<WFOAuth2ProviderSessionManager> *)sessionManager scope:(nullable NSString *)scope redirectURI:(nullable NSURL *)redirectURI;
+
+@end
+
+NS_ASSUME_NONNULL_END

Demo/LoginViewController.m

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+//
+//  LoginViewController.m
+//  WFOAuth2
+//
+//  Created by Conrad Kramer on 3/25/16.
+//  Copyright © 2016 DeskConnect, Inc. All rights reserved.
+//
+
+#import "LoginViewController.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface LoginViewController ()
+
+@property (nonatomic, readonly, strong) WKWebView *webView;
+
+@end
+
+static void *LoginViewControllerTitleContext = &LoginViewControllerTitleContext;
+
+@implementation LoginViewController
+
+- (instancetype)initWithSessionManager:(WFOAuth2SessionManager<WFOAuth2ProviderSessionManager> *)sessionManager scope:(nullable NSString *)scope redirectURI:(nullable NSURL *)redirectURI {
+    self = [super initWithNibName:nil bundle:nil];
+    if (!self)
+        return nil;
+
+    self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCancel target:self action:@selector(cancelPressed:)];
+
+    __weak __typeof__(self) weakSelf = self;
+    _webView = [sessionManager authorizationWebViewWithScope:scope redirectURI:redirectURI completionHandler:^(WFOAuth2Credential * __nullable credential, NSError * __nullable error) {
+        id<LoginViewControllerDelegate> delegate = weakSelf.delegate;
+
+        if (credential) {
+            if ([delegate respondsToSelector:@selector(loginViewController:didAuthenticateWithCredential:)]) {
+                [delegate loginViewController:self didAuthenticateWithCredential:credential];
+            }
+        } else {
+            if ([delegate respondsToSelector:@selector(loginViewController:didFailWithError:)]) {
+                [delegate loginViewController:self didFailWithError:error];
+            }
+        }
+    }];
+
+    [self addObserver:self forKeyPath:@"webView.title" options:0 context:LoginViewControllerTitleContext];
+
+    return self;
+}
+
+- (void)dealloc {
+    [self addObserver:self forKeyPath:@"webView.title" options:0 context:LoginViewControllerTitleContext];
+}
+
+- (void)observeValueForKeyPath:(nullable NSString *)keyPath ofObject:(nullable id)object change:(nullable NSDictionary *)change context:(nullable void *)context {
+    if (context == LoginViewControllerTitleContext) {
+        self.title = self.webView.title;
+    } else {
+        [super observeValueForKeyPath:keyPath ofObject:object change:change context:context];
+    }
+}
+
+- (void)loadView {
+    [super loadView];
+
+    WKWebView *webView = self.webView;
+    webView.frame = self.view.bounds;
+    webView.autoresizingMask = (UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight);
+    [self.view addSubview:webView];
+}
+
+- (void)cancelPressed:(id)sender {
+    if ([self.delegate respondsToSelector:@selector(loginViewControllerDidCancel:)])
+        [self.delegate loginViewControllerDidCancel:self];
+}
+
+@end
+
+NS_ASSUME_NONNULL_END

Demo/ViewController.h

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+//
+//  ViewController.h
+//  WFOAuth2
+//
+//  Created by Conrad Kramer on 3/24/16.
+//  Copyright © 2016 DeskConnect, Inc. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface ViewController : UIViewController
+
+@end
+
+NS_ASSUME_NONNULL_END

Demo/ViewController.m

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+//
+//  ViewController.m
+//  WFOAuth2
+//
+//  Created by Conrad Kramer on 3/24/16.
+//  Copyright © 2016 DeskConnect, Inc. All rights reserved.
+//
+
+#import "ViewController.h"
+#import "LoginViewController.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface ViewController () <LoginViewControllerDelegate>
+
+@end
+
+@implementation ViewController
+
+- (void)loadView {
+    [super loadView];
+
+    self.view.backgroundColor = [UIColor whiteColor];
+
+    UIButton *googleButton = [UIButton buttonWithType:UIButtonTypeSystem];
+    googleButton.translatesAutoresizingMaskIntoConstraints = NO;
+    [googleButton setTitle:@"Login to Google" forState:UIControlStateNormal];
+    [googleButton addTarget:self action:@selector(googlePressed:) forControlEvents:UIControlEventTouchUpInside];
+    [self.view addSubview:googleButton];
+
+    UIButton *slackButton = [UIButton buttonWithType:UIButtonTypeSystem];
+    slackButton.translatesAutoresizingMaskIntoConstraints = NO;
+    [slackButton setTitle:@"Login to Slack" forState:UIControlStateNormal];
+    [slackButton addTarget:self action:@selector(slackPressed:) forControlEvents:UIControlEventTouchUpInside];
+    [self.view addSubview:slackButton];
+
+    UIButton *uberButton = [UIButton buttonWithType:UIButtonTypeSystem];
+    uberButton.translatesAutoresizingMaskIntoConstraints = NO;
+    [uberButton setTitle:@"Login to Uber" forState:UIControlStateNormal];
+    [uberButton addTarget:self action:@selector(uberPressed:) forControlEvents:UIControlEventTouchUpInside];
+    [self.view addSubview:uberButton];
+
+    [self.view addConstraint:[NSLayoutConstraint constraintWithItem:googleButton attribute:NSLayoutAttributeCenterX relatedBy:NSLayoutRelationEqual toItem:self.view attribute:NSLayoutAttributeCenterX multiplier:1.0f constant:0.0f]];
+    [self.view addConstraint:[NSLayoutConstraint constraintWithItem:googleButton attribute:NSLayoutAttributeCenterY relatedBy:NSLayoutRelationEqual toItem:self.view attribute:NSLayoutAttributeCenterY multiplier:0.8f constant:0.0f]];
+    [self.view addConstraint:[NSLayoutConstraint constraintWithItem:slackButton attribute:NSLayoutAttributeCenterX relatedBy:NSLayoutRelationEqual toItem:self.view attribute:NSLayoutAttributeCenterX multiplier:1.0f constant:0.0f]];
+    [self.view addConstraint:[NSLayoutConstraint constraintWithItem:slackButton attribute:NSLayoutAttributeCenterY relatedBy:NSLayoutRelationEqual toItem:self.view attribute:NSLayoutAttributeCenterY multiplier:1.0f constant:0.0f]];
+    [self.view addConstraint:[NSLayoutConstraint constraintWithItem:uberButton attribute:NSLayoutAttributeCenterX relatedBy:NSLayoutRelationEqual toItem:self.view attribute:NSLayoutAttributeCenterX multiplier:1.0f constant:0.0f]];
+    [self.view addConstraint:[NSLayoutConstraint constraintWithItem:uberButton attribute:NSLayoutAttributeCenterY relatedBy:NSLayoutRelationEqual toItem:self.view attribute:NSLayoutAttributeCenterY multiplier:1.2f constant:0.0f]];
+}
+
+- (void)googlePressed:(nullable id)sender {
+    WFGoogleOAuth2SessionManager *sessionManager = [[WFGoogleOAuth2SessionManager alloc] initWithClientID:@"266399808145-3avt9dudaqe71j6lr8haqigudqi91lf5.apps.googleusercontent.com" clientSecret:nil];
+    [self loginWithSessionManager:sessionManager scope:WFGoogleProfileScope redirectURI:[NSURL URLWithString:WFGoogleNativeRedirectURIString]];
+}
+
+- (void)slackPressed:(nullable id)sender {
+    WFSlackOAuth2SessionManager *sessionManager = [[WFSlackOAuth2SessionManager alloc] initWithClientID:@"3214730525.4155085303" clientSecret:@"bac7521cf39042b46b35978b045d5ea0"];
+    [self loginWithSessionManager:sessionManager scope:WFSlackChannelWriteScope redirectURI:[NSURL URLWithString:@"https://localhost"]];
+}
+
+- (void)uberPressed:(nullable id)sender {
+    WFUberOAuth2SessionManager *sessionManager = [[WFUberOAuth2SessionManager alloc] initWithClientID:@"FVZC8i9VfAn2DIi0TdBG0-I5T7RcU3_j" clientSecret:@"8mj8sI-liVAmhSe8duMGQO2SKqPAnGeMDgzuUXyB"];
+    [self loginWithSessionManager:sessionManager scope:WFUberUserProfileScope redirectURI:[NSURL URLWithString:@"https://localhost"]];
+}
+
+- (void)loginWithSessionManager:(WFOAuth2SessionManager<WFOAuth2ProviderSessionManager> *)sessionManager scope:(nullable NSString *)scope redirectURI:(nullable NSURL *)redirectURI {
+    LoginViewController *loginViewController = [[LoginViewController alloc] initWithSessionManager:sessionManager scope:scope redirectURI:redirectURI];
+    loginViewController.delegate = self;
+
+    UINavigationController *navigationController = [[UINavigationController alloc] initWithRootViewController:loginViewController];
+    navigationController.modalPresentationStyle = UIModalPresentationFormSheet;
+    [self presentViewController:navigationController animated:YES completion:nil];
+}
+
+- (void)loginViewController:(LoginViewController *)loginViewController didAuthenticateWithCredential:(WFOAuth2Credential *)credential {
+    [loginViewController dismissViewControllerAnimated:YES completion:^{
+        UIAlertController *alertController = [UIAlertController alertControllerWithTitle:@"Access Token" message:credential.accessToken preferredStyle:UIAlertControllerStyleAlert];
+        [alertController addAction:[UIAlertAction actionWithTitle:@"OK" style:UIAlertActionStyleDefault handler:nil]];
+        [self presentViewController:alertController animated:YES completion:nil];
+    }];
+}
+
+- (void)loginViewController:(LoginViewController *)loginViewController didFailWithError:(nullable NSError *)error {
+    [loginViewController dismissViewControllerAnimated:YES completion:^{
+        UIAlertController *alertController = [UIAlertController alertControllerWithTitle:@"Error" message:error.localizedDescription preferredStyle:UIAlertControllerStyleAlert];
+        [alertController addAction:[UIAlertAction actionWithTitle:@"OK" style:UIAlertActionStyleDefault handler:nil]];
+        [self presentViewController:alertController animated:YES completion:nil];
+    }];
+}
+
+- (void)loginViewControllerDidCancel:(LoginViewController *)loginViewController {
+    [loginViewController dismissViewControllerAnimated:YES completion:nil];
+}
+
+@end
+
+NS_ASSUME_NONNULL_END

Demo/main.m

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+//
+//  main.m
+//  WFOAuth2
+//
+//  Created by Conrad Kramer on 3/24/16.
+//  Copyright © 2016 DeskConnect, Inc. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+#import "AppDelegate.h"
+
+int main(int argc, char * argv[]) {
+    @autoreleasepool {
+        return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
+    }
+}