Add function to send the device token to our server.

Fetch data when receiving a silent notification.

Signal.xcodeproj/project.pbxproj

@@ -519,6 +519,7 @@
 		768A1A2B17FC9CD300E00ED8 /* libz.dylib in Frameworks */ = {isa = PBXBuildFile; fileRef = 768A1A2A17FC9CD300E00ED8 /* libz.dylib */; };
 		76C87F19181EFCE600C4ACAB /* MediaPlayer.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 76C87F18181EFCE600C4ACAB /* MediaPlayer.framework */; };
 		76EB054018170B33006006FC /* AppDelegate.m in Sources */ = {isa = PBXBuildFile; fileRef = 76EB03C318170B33006006FC /* AppDelegate.m */; };
+		7B53C4F0239E038C008DF635 /* PushNotificationManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7B53C4EF239E038C008DF635 /* PushNotificationManager.swift */; };
 		954AEE6A1DF33E01002E5410 /* ContactsPickerTest.swift in Sources */ = {isa = PBXBuildFile; fileRef = 954AEE681DF33D32002E5410 /* ContactsPickerTest.swift */; };
 		A10FDF79184FB4BB007FF963 /* MediaPlayer.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 76C87F18181EFCE600C4ACAB /* MediaPlayer.framework */; };
 		A11CD70D17FA230600A2D1B1 /* QuartzCore.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = A11CD70C17FA230600A2D1B1 /* QuartzCore.framework */; };
@@ -1309,6 +1310,7 @@
 		76C87F18181EFCE600C4ACAB /* MediaPlayer.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = MediaPlayer.framework; path = System/Library/Frameworks/MediaPlayer.framework; sourceTree = SDKROOT; };
 		76EB03C218170B33006006FC /* AppDelegate.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = AppDelegate.h; sourceTree = "<group>"; };
 		76EB03C318170B33006006FC /* AppDelegate.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = AppDelegate.m; sourceTree = "<group>"; };
+		7B53C4EF239E038C008DF635 /* PushNotificationManager.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PushNotificationManager.swift; sourceTree = "<group>"; };
 		8981C8F64D94D3C52EB67A2C /* Pods-SignalTests.test.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-SignalTests.test.xcconfig"; path = "Pods/Target Support Files/Pods-SignalTests/Pods-SignalTests.test.xcconfig"; sourceTree = "<group>"; };
 		8EEE74B0753448C085B48721 /* Pods-SignalMessaging.app store release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-SignalMessaging.app store release.xcconfig"; path = "Pods/Target Support Files/Pods-SignalMessaging/Pods-SignalMessaging.app store release.xcconfig"; sourceTree = "<group>"; };
 		948239851C08032C842937CC /* Pods-SignalMessaging.test.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-SignalMessaging.test.xcconfig"; path = "Pods/Target Support Files/Pods-SignalMessaging/Pods-SignalMessaging.test.xcconfig"; sourceTree = "<group>"; };
@@ -2525,6 +2527,14 @@
 			path = views;
 			sourceTree = "<group>";
 		};
+		7B53C4EE239E0343008DF635 /* PushNotification */ = {
+			isa = PBXGroup;
+			children = (
+				7B53C4EF239E038C008DF635 /* PushNotificationManager.swift */,
+			);
+			path = PushNotification;
+			sourceTree = "<group>";
+		};
 		9404664EC513585B05DF1350 /* Pods */ = {
 			isa = PBXGroup;
 			children = (
@@ -2652,6 +2662,7 @@
 		B8439518228510E9000563FE /* Loki */ = {
 			isa = PBXGroup;
 			children = (
+				7B53C4EE239E0343008DF635 /* PushNotification */,
 				B8BFFF392355426100102A27 /* Messaging */,
 				B86BD0872339A1ED000F5AE3 /* Onboarding */,
 				B86BD08223399ABF000F5AE3 /* Settings */,
@@ -3899,6 +3910,7 @@
 				34277A5E20751BDC006049F2 /* OWSQuotedMessageView.m in Sources */,
 				458DE9D61DEE3FD00071BB03 /* PeerConnectionClient.swift in Sources */,
 				45DDA6242090CEB500DE97F8 /* ConversationHeaderView.swift in Sources */,
+				7B53C4F0239E038C008DF635 /* PushNotificationManager.swift in Sources */,
 				3488F9362191CC4000E524CC /* ConversationMediaView.swift in Sources */,
 				45F32C242057297A00A300D5 /* MessageDetailViewController.swift in Sources */,
 				3496955C219B605E00DCFE74 /* ImagePickerController.swift in Sources */,

Signal/src/AppDelegate.m

@@ -592,6 +592,7 @@ static NSTimeInterval launchStartedAt;
     }
 
     OWSLogInfo(@"registered vanilla push token");
+    [[LKPushNotificationManager sharedInstance] registerNotificationWithToken:deviceToken];
     [self.pushRegistrationManager didReceiveVanillaPushToken:deviceToken];
 }
 
@@ -1094,6 +1095,17 @@ static NSTimeInterval launchStartedAt;
         OWSLogInfo(@"Ignoring remote notification; app not ready.");
         return;
     }
+    
+    //deal with remote notification
+    //fetch data
+    NSLog(@"Receive remote notification!");
+    __block AnyPromise *job = [AppEnvironment.shared.messageFetcherJob run].then(^{
+        job = nil;
+    }).catch(^{
+        job = nil;
+    });
+    [job retainUntilComplete];
+    
 }
 
 - (void)application:(UIApplication *)application
@@ -1109,6 +1121,19 @@ static NSTimeInterval launchStartedAt;
         OWSLogInfo(@"Ignoring remote notification; app not ready.");
         return;
     }
+
+    //deal with remote notification
+    //fetch data
+    NSLog(@"Receive remote notification!");
+    __block AnyPromise *job = [AppEnvironment.shared.messageFetcherJob run].then(^{
+        completionHandler(UIBackgroundFetchResultNewData);
+        job = nil;
+    }).catch(^{
+        completionHandler(UIBackgroundFetchResultFailed);
+        job = nil;
+    });
+    [job retainUntilComplete];
+    
 }
 
 - (void)application:(UIApplication *)application didReceiveLocalNotification:(UILocalNotification *)notification {

Signal/src/Loki/PushNotification/PushNotificationManager.swift

@@ -0,0 +1,48 @@
+//
+//  Copyright (c) 2018 Loki Messenger. All rights reserved.
+//  This file is for silent push notification
+//  Created by Ryan Zhao
+// 
+
+import UIKit
+
+@objc(LKPushNotificationManager)
+class PushNotificationManager: NSObject {
+    
+    static let shared = PushNotificationManager()
+    
+    private override init() {
+        super.init()
+    }
+    
+    @objc
+    class func sharedInstance() -> PushNotificationManager {
+        return PushNotificationManager.shared
+    }
+    
+    @objc
+    func registerNotification(token: Data) {
+        let deviceToken = token.map { String(format: "%02.2hhx", $0) }.joined()
+        print("Device Token: (\(deviceToken))")
+        /** send token to Loki centralized server  **/
+        let parameters = [ "token" : deviceToken ]
+        let url = URL(string: "http://88.99.14.72:5000/register")!
+        let request = TSRequest(url: url, method: "POST", parameters: parameters)
+        request.allHTTPHeaderFields = [ "Content-Type" : "application/json"]
+        TSNetworkManager.shared().makeRequest(
+            request,
+            success: { (_, response: Any?) -> Void in
+                if let responseDictionary = response as? [String: Any] {
+                    if responseDictionary["code"] as? Int == 0 {
+                        print("[Loki] error occured during sending device token \(String(describing: responseDictionary["message"] as? String))")
+                    }
+                }
+        },
+            failure: { (_, error: Error?) -> Void in
+                print("[Loki] Couldn't send the device token to the centralized server")
+        })
+    }
+    
+    // TODO: Move the fetch message fucntion here?
+    
+}