Refactor login logic to make request to server and parse result

app/src/main/java/dev/garrettmills/starship/hyperlink/MainActivity.java

@@ -89,6 +89,7 @@ public class MainActivity extends AppCompatActivity {
                 }
             } while ( cursor.moveToNext() );
         }
+        cursor.close();
 
         serviceIntent = new Intent(this, MessagingService.class);
         ContextCompat.startForegroundService(this, serviceIntent);
@@ -103,6 +104,13 @@ public class MainActivity extends AppCompatActivity {
         serverAddressView = null;
     }
 
+    protected void switchToLoggingInMode() {
+        if ( serviceIntent != null ) stopService(serviceIntent);
+
+        setContentView(R.layout.activity_main_authenticating);
+        serverAddressView = null;
+    }
+
     protected void requestSMSRead() {
         if (ActivityCompat.checkSelfPermission(this, Manifest.permission.READ_SMS) == PackageManager.PERMISSION_GRANTED) {
 //            switchToStatusMode();
@@ -137,9 +145,13 @@ public class MainActivity extends AppCompatActivity {
                 }
 
                 try {
+                    switchToLoggingInMode();
+
                     LoginToken login = new LoginToken(data.getExtras().getString(Hyperlink.EXTRA_LOGIN_TOKEN));
-                    APIv1.login(login);
-                    switchToStatusMode();
+                    APIv1.login(login, () -> {
+                        if ( APIv1.isAuthenticated() ) switchToStatusMode();
+                        else switchToLoginMode();
+                    });
                 } catch (InvalidLoginTokenException e) {
                     Toast.makeText(getApplicationContext(), "Invalid login token!", Toast.LENGTH_SHORT).show();
                     switchToLoginMode();

app/src/main/java/dev/garrettmills/starship/hyperlink/relay/ServerSentRequest.java

@@ -1,14 +1,14 @@
 package dev.garrettmills.starship.hyperlink.relay;
 
 public class ServerSentRequest {
-    private String _uuid;
-    private ServerRequestEndpoint _endpoint;
+    private String server_request_id;
+    private ServerRequestEndpoint endpoint;
 
     public String getUUID() {
-        return _uuid;
+        return server_request_id;
     }
 
     public ServerRequestEndpoint getEndpoint() {
-        return _endpoint;
+        return endpoint;
     }
 }

app/src/main/java/dev/garrettmills/starship/hyperlink/util/APIv1.java

@@ -1,6 +1,16 @@
 package dev.garrettmills.starship.hyperlink.util;
 
 import android.content.SharedPreferences;
+import android.util.Log;
+
+import com.android.volley.Request;
+import com.android.volley.Response;
+import com.android.volley.VolleyError;
+import com.android.volley.toolbox.JsonObjectRequest;
+import com.google.gson.Gson;
+
+import org.json.JSONException;
+import org.json.JSONObject;
 
 import dev.garrettmills.starship.hyperlink.Hyperlink;
 
@@ -48,21 +58,34 @@ public class APIv1 {
         editor.apply();
     }
 
-    public static AccessToken login(LoginToken login) {
-        AccessToken token = redeemLoginToken(login);
-        SharedPreferences.Editor editor = Hyperlink.preferences.edit();
-        editor.putString(Hyperlink.SERVER_ADDR, token.getServer());
-        editor.putString(Hyperlink.ACCESS_TOKEN, token.getToken());
-        editor.apply();
-        return token;
-    }
+    public static void login(LoginToken login, Runnable callback) {
+        Gson gson = new Gson();
+        String tokenJson = gson.toJson(login);
 
-    /**
-     * @fixme this is a stub placeholder. Replace with actual implementation
-     * @param login the LoginToken from the user
-     * @return the AccessToken redeemed from the server
-     */
-    protected static AccessToken redeemLoginToken(LoginToken login) {
-        return new AccessToken(login.getServer(), login.getToken());
+        try {
+            JsonObjectRequest request = new JsonObjectRequest(
+                Request.Method.POST,
+                resolveEndpoint("/login/redeem"),
+                new JSONObject(tokenJson),
+                response -> {
+                    try {
+                        String tokenValue = response.getString("token");
+                        Log.d("APIv1", "Got access token: " + tokenValue);
+
+                        SharedPreferences.Editor editor = Hyperlink.preferences.edit();
+                        editor.putString(Hyperlink.SERVER_ADDR, login.getServer());
+                        editor.putString(Hyperlink.ACCESS_TOKEN, tokenValue);
+                        editor.apply();
+                    } catch (JSONException e) {
+                        callback.run();
+                    }
+                },
+                error -> callback.run()
+            );
+
+            Hyperlink.httpRequestQueue.add(request);
+        } catch (JSONException e) {
+            callback.run();
+        }
     }
 }

app/src/main/java/dev/garrettmills/starship/hyperlink/util/LoginToken.java

@@ -14,8 +14,8 @@ public class LoginToken {
         }
     }
 
-    private String _server;
-    private String _token;
+    private String server;
+    private String token;
 
     public LoginToken(String token) throws InvalidLoginTokenException {
         String[] parts = token.split("\\|");
@@ -23,15 +23,15 @@ public class LoginToken {
             throw new InvalidLoginTokenException();
         }
 
-        this._server = parts[1];
-        this._token = parts[2];
+        this.server = parts[1];
+        this.token = parts[2];
     }
 
     public String getServer() {
-        return _server;
+        return server;
     }
 
     public String getToken() {
-        return _token;
+        return token;
     }
 }

app/src/main/res/layout/activity_main_authenticating.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    tools:context=".MainActivity">
+
+    <TextView
+        android:id="@+id/textView2"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Authenticating..."
+        android:textSize="20sp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>