Dropbox authentication with OAuth2 implemented

FMC Planner 2/AppDelegate.h

@@ -6,10 +6,12 @@
 //  Copyright © 2016 Kilian Hofmann. All rights reserved.
 //
 
+#import "DropboxV2ObjC.h"
 #import <UIKit/UIKit.h>
 
 @interface AppDelegate : UIResponder <UIApplicationDelegate>
 
 @property(strong, nonatomic) UIWindow *window;
+@property(strong, nonatomic) DropboxV2ObjC *dbClient;
 
 @end

FMC Planner 2/AppDelegate.m

@@ -13,6 +13,7 @@
 - (BOOL)application:(UIApplication *)application
     didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
     // Override point for customization after application launch.
+    _dbClient = [[DropboxV2ObjC alloc] init];
     return YES;
 }
 
@@ -50,4 +51,11 @@
     // appropriate. See also applicationDidEnterBackground:.
 }
 
+- (BOOL)application:(UIApplication *)application handleOpenURL:(NSURL *)url {
+    // Display text
+    [_dbClient authorizeUserWithToke:url];
+
+    return YES;
+}
+
 @end

FMC Planner 2/Base.lproj/Main.storyboard

@@ -89,6 +89,9 @@
                                     <constraint firstAttribute="width" constant="147" id="30a-wW-H5A"/>
                                 </constraints>
                                 <state key="normal" title="Connect to Dropbox"/>
+                                <connections>
+                                    <action selector="dbConnect:" destination="NBp-hT-qnu" eventType="touchUpInside" id="Sjs-Vk-aFg"/>
+                                </connections>
                             </button>
                             <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="n9p-C2-IND">
                                 <rect key="frame" x="91" y="110" width="138" height="30"/>
@@ -1047,6 +1050,6 @@
         <image name="triFlip" width="15" height="21"/>
     </resources>
     <inferredMetricsTieBreakers>
-        <segue reference="PbX-LR-FGE"/>
+        <segue reference="Thn-Z7-qri"/>
     </inferredMetricsTieBreakers>
 </document>

FMC Planner 2/DropboxV2ObjC.h

@@ -0,0 +1,21 @@
+//
+//  DropboxV2ObjC.h
+//  FMC Planner 2
+//
+//  Created by Kilian Hofmann on 29.03.16.
+//  Copyright © 2016 Kilian Hofmann. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+@interface DropboxV2ObjC : NSObject
+
+@property(strong, nonatomic) NSString *token;
+@property(strong, nonatomic) NSString *rootDirectory;
+
+- (BOOL)authorizeUserWithToke:(NSURL *)token;
+- (NSData *)downloadFromDropbox;
+- (void)uploadToDropbox:(NSData *)data;
+- (NSArray *)contentsOfPath:(NSString *)path;
+
+@end

FMC Planner 2/DropboxV2ObjC.m

@@ -0,0 +1,35 @@
+//
+//  DropboxV2ObjC.m
+//  FMC Planner 2
+//
+//  Created by Kilian Hofmann on 29.03.16.
+//  Copyright © 2016 Kilian Hofmann. All rights reserved.
+//
+
+#import "DropboxV2ObjC.h"
+
+@implementation DropboxV2ObjC
+
+- (DropboxV2ObjC *)init {
+    self = [super init];
+    self.rootDirectory = @"/Apps/FMC Planner 2/";
+    return self;
+}
+
+- (BOOL)authorizeUserWithToke:(NSURL *)token {
+    NSScanner *scan = [NSScanner scannerWithString:[token absoluteString]];
+    NSString *error = [[NSString alloc] init];
+    [scan scanUpToString:@"&error=" intoString:&error];
+    if (![error isEqualToString:[token absoluteString]]) {
+        return false;
+    }
+
+    // No error, refine token
+    NSString *tokenUnrefined = [[NSString alloc] init];
+    [scan scanUpToString:@"&" intoString:&tokenUnrefined];
+    NSString *tokenRefined = [tokenUnrefined substringFromIndex:21];
+    _token = tokenRefined;
+    return true;
+}
+
+@end

FMC Planner 2/Info.plist

@@ -18,8 +18,23 @@
 	<string>1.0 DEV</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
+	<key>CFBundleURLTypes</key>
+	<array>
+		<dict>
+			<key>CFBundleURLSchemes</key>
+			<array>
+				<string>x-fmc</string>
+			</array>
+			<key>CFBundleURLName</key>
+			<string>com.weebly.alikja.fmc-planner-2</string>
+		</dict>
+	</array>
 	<key>CFBundleVersion</key>
 	<string>1</string>
+	<key>LSApplicationQueriesSchemes</key>
+	<array>
+		<string>dbapi-2</string>
+	</array>
 	<key>LSRequiresIPhoneOS</key>
 	<true/>
 	<key>UILaunchStoryboardName</key>
@@ -40,8 +55,6 @@
 	<array>
 		<string>UIInterfaceOrientationPortrait</string>
 		<string>UIInterfaceOrientationPortraitUpsideDown</string>
-		<string>UIInterfaceOrientationLandscapeLeft</string>
-		<string>UIInterfaceOrientationLandscapeRight</string>
 	</array>
 </dict>
 </plist>

FMC Planner 2/TableViewController.m

@@ -60,7 +60,6 @@
                                                                        .row]]];
         cell.textLabel.text = [data valueForKey:@"MENU@LSKR1"];
     }
-
     return cell;
 }
 

FMC Planner 2/ViewControllerServiceMenu.h

@@ -6,6 +6,8 @@
 //  Copyright © 2016 Kilian Hofmann. All rights reserved.
 //
 
+#import "AppDelegate.h"
+#import "DropboxV2ObjC.h"
 #import "SharedDeclerations.h"
 #import "TableViewController.h"
 #import "ViewController.h"
@@ -15,4 +17,6 @@
 
 @property(strong, nonatomic) ViewController *main;
 
+- (IBAction)dbConnect:(UIButton *)sender;
+
 @end

FMC Planner 2/ViewControllerServiceMenu.m

@@ -5,7 +5,6 @@
 //  Created by Kilian Hofmann on 26.03.16.
 //  Copyright © 2016 Kilian Hofmann. All rights reserved.
 //
-
 #import "ViewControllerServiceMenu.h"
 
 @implementation ViewControllerServiceMenu
@@ -30,4 +29,21 @@
     ((TableViewController *)[segue destinationViewController]).main = _main;
 }
 
+- (IBAction)dbConnect:(UIButton *)sender {
+    DropboxV2ObjC *db_client =
+        ((AppDelegate *)[[UIApplication sharedApplication] delegate]).dbClient;
+    UIViewController *webController = [[UIViewController alloc] init];
+    webController.title = @"Dropbox";
+    UIWebView *web = [[UIWebView alloc] initWithFrame:webController.view.frame];
+    [webController.view addSubview:web];
+    [self.navigationController pushViewController:webController animated:YES];
+    [web loadRequest:
+             [NSURLRequest
+                 requestWithURL:
+                     [NSURL URLWithString:@"https://dropbox.com/1/oauth2/"
+                                          @"authorize?response_type=token&"
+                                          @"client_id=7q5bwtmi2h2iszh&redirect_"
+                                          @"uri=x-fmc:/"]]];
+}
+
 @end

FMC Planner 2/main.m

@@ -6,11 +6,12 @@
 //  Copyright © 2016 Kilian Hofmann. All rights reserved.
 //
 
-#import <UIKit/UIKit.h>
 #import "AppDelegate.h"
+#import <UIKit/UIKit.h>
 
-int main(int argc, char * argv[]) {
+int main(int argc, char *argv[]) {
     @autoreleasepool {
-        return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
+        return UIApplicationMain(argc, argv, nil,
+                                 NSStringFromClass([AppDelegate class]));
     }
 }