Android: Refactor codebase and integrate sign in endpoint only

Author: Afridi Hasan

android/app/build.gradle

@@ -10,15 +10,15 @@ plugins {
 }
 
 android {
-    compileSdkVersion 30
+    compileSdkVersion 33
     buildToolsVersion "30.0.3"
 
     defaultConfig {
         applicationId "life.nsu.aether"
         minSdkVersion 23
-        targetSdkVersion 30
+        targetSdkVersion 33
         versionCode 1
-        versionName "1.0"
+        versionName "0.1.0"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
@@ -47,9 +47,9 @@ dependencies {
     implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0'
 
 //    UI components
-    implementation 'androidx.constraintlayout:constraintlayout:2.1.3'
-    implementation 'androidx.appcompat:appcompat:1.3.1'
-    implementation 'com.google.android.material:material:1.4.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
+    implementation 'androidx.appcompat:appcompat:1.5.1'
+    implementation 'com.google.android.material:material:1.7.0'
     implementation 'androidx.cardview:cardview:1.0.0'
     implementation 'androidx.recyclerview:recyclerview:1.2.1'
 
@@ -61,12 +61,15 @@ dependencies {
 
 //    image cache library
     implementation 'com.github.bumptech.glide:glide:4.12.0'
-    annotationProcessor 'com.github.bumptech.glide:compiler:4.12.0'
+    annotationProcessor 'com.github.bumptech.glide:compiler:4.14.2'
 
 //    Networking Components
     implementation 'com.squareup.retrofit2:retrofit:2.9.0'
     implementation 'com.squareup.retrofit2:converter-gson:2.9.0'
 
+//  serialization/deserialization library to convert Java Objects into JSON
+    implementation 'com.google.code.gson:gson:2.9.1'
+
 //    Runtime permission
     implementation 'com.karumi:dexter:6.2.2'
 

android/app/src/main/AndroidManifest.xml

@@ -21,7 +21,8 @@
         <activity android:name=".views.authentication.RegistrationActivity" />
         <activity
             android:name=".SplashActivity"
-            android:launchMode="singleTask">
+            android:launchMode="singleTask"
+            android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 

android/app/src/main/java/life/nsu/aether/SplashActivity.java

@@ -8,13 +8,16 @@
 
 package life.nsu.aether;
 
+import android.annotation.SuppressLint;
 import android.os.Bundle;
+import android.util.Log;
 
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.lifecycle.ViewModelProvider;
 
 import life.nsu.aether.viewModels.SplashViewModel;
 
+@SuppressLint("CustomSplashScreen")
 public class SplashActivity extends AppCompatActivity {
 
     SplashViewModel viewModel;
@@ -27,13 +30,8 @@ protected void onCreate(Bundle savedInstanceState) {
         viewModel = new ViewModelProvider(this).get(SplashViewModel.class);
 
         viewModel.getRefreshResponseMutableLiveData().observe(this, refreshResponse -> {
-            if(!refreshResponse.isSuccess()){
+            Log.d("SplashActivity:refreshResponse", refreshResponse.getMessage());
                 viewModel.switchActivity(refreshResponse);
-            }else{
-                viewModel.getProfileValidityResponseMutableLiveData().observe(this, profileValidityResponse -> {
-                    viewModel.switchActivity(profileValidityResponse);
-                });
-            }
         });
     }
 

android/app/src/main/java/life/nsu/aether/models/Token.java

@@ -0,0 +1,36 @@
+/*
+ * Token Created by Samiur Prapon
+ * Last modified  10/23/22, 3:39 PM
+ * Copyright (c) 2022. All rights reserved.
+ *
+ */
+
+package life.nsu.aether.models;
+
+import com.google.gson.annotations.Expose;
+import com.google.gson.annotations.SerializedName;
+
+public class Token {
+    @SerializedName("accessToken")
+    @Expose()
+    private final String accessToken;
+
+    @SerializedName("refreshToken")
+    @Expose()
+    private final String refreshToken;
+
+    public Token(String accessToken, String refreshToken) {
+        this.accessToken = accessToken;
+        this.refreshToken = refreshToken;
+    }
+
+    public String getAccessToken() {
+        return this.accessToken;
+    }
+
+    public String getRefreshToken() {
+        return refreshToken;
+    }
+
+
+}

android/app/src/main/java/life/nsu/aether/models/TokenData.java

@@ -0,0 +1,33 @@
+/*
+ * TokenData Created by Samiur Prapon
+ * Last modified  10/23/22, 5:35 PM
+ * Copyright (c) 2022. All rights reserved.
+ *
+ */
+
+package life.nsu.aether.models;
+
+import life.nsu.aether.models.tokenDecode.Details;
+import life.nsu.aether.models.tokenDecode.Permissions;
+import life.nsu.aether.models.tokenDecode.User;
+
+public class TokenData {
+    private Details details;
+    private Permissions permissions;
+    private User user;
+
+    public TokenData() {
+    }
+
+    public Permissions getPermissions() {
+        return permissions;
+    }
+
+    public Details getDetails() {
+        return details;
+    }
+
+    public User getUser() {
+        return user;
+    }
+}

android/app/src/main/java/life/nsu/aether/models/tokenDecode/Details.java

@@ -0,0 +1,38 @@
+/*
+ * Details Created by Samiur Prapon
+ * Last modified  10/23/22, 4:29 PM
+ * Copyright (c) 2022. All rights reserved.
+ *
+ */
+
+package life.nsu.aether.models.tokenDecode;
+
+import com.google.gson.annotations.Expose;
+import com.google.gson.annotations.SerializedName;
+
+public class Details {
+    @SerializedName("id")
+    @Expose
+    private String id;
+
+    @SerializedName("studentID")
+    @Expose
+    private Object studentID;
+
+    @SerializedName("school")
+    @Expose
+    private Object school;
+
+    public String getId() {
+        return id;
+    }
+
+    public Object getStudentID() {
+        return studentID;
+    }
+
+    public Object getSchool() {
+        return school;
+    }
+
+}

android/app/src/main/java/life/nsu/aether/models/tokenDecode/Permissions.java

@@ -0,0 +1,38 @@
+/*
+ * Role Created by Samiur Prapon
+ * Last modified  10/23/22, 4:30 PM
+ * Copyright (c) 2022. All rights reserved.
+ *
+ */
+
+package life.nsu.aether.models.tokenDecode;
+
+import com.google.gson.annotations.Expose;
+import com.google.gson.annotations.SerializedName;
+
+public class Permissions {
+    @SerializedName("id")
+    @Expose
+    private String id;
+
+    @SerializedName("type")
+    @Expose
+    private final String type;
+
+    public Permissions(String id, String type) {
+        this.id = id;
+        this.type = type;
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public String getType() {
+        return type;
+    }
+}

android/app/src/main/java/life/nsu/aether/models/tokenDecode/User.java

@@ -0,0 +1,58 @@
+/*
+ * User Created by Samiur Prapon
+ * Last modified  10/23/22, 4:34 PM
+ * Copyright (c) 2022. All rights reserved.
+ *
+ */
+
+package life.nsu.aether.models.tokenDecode;
+
+import com.google.gson.annotations.Expose;
+import com.google.gson.annotations.SerializedName;
+
+public class User {
+    @SerializedName("id")
+    @Expose
+    private String id;
+
+    @SerializedName("email")
+    @Expose
+    private String email;
+
+    @SerializedName("name")
+    @Expose
+    private Object name;
+
+    @SerializedName("sex")
+    @Expose
+    private String sex;
+
+    @SerializedName("isBan")
+    @Expose
+    private Boolean isBan;
+
+    @SerializedName("cid")
+    @Expose
+    private String cid;
+
+    public String getId() {
+        return id;
+    }
+
+    public String getEmail() {
+        return email;
+    }
+    public Object getName() {
+        return name;
+    }
+    public String getSex() {
+        return sex;
+    }
+    public Boolean getIsBan() {
+        return isBan;
+    }
+    public String getCid() {
+        return cid;
+    }
+
+}

android/app/src/main/java/life/nsu/aether/repositories/RefreshRepository.java

@@ -27,7 +27,6 @@ public class RefreshRepository {
     Application application;
     MutableLiveData<RefreshResponse> refreshResponseMutableLiveData;
 
-
     private static RefreshRepository refreshRepository = null;
 
     public synchronized static RefreshRepository getInstance(Application application) {
@@ -55,7 +54,7 @@ public MutableLiveData<RefreshResponse> getRefreshResponseMutableLiveData(String
             public void onResponse(@NonNull Call<RefreshResponse> call, @NonNull Response<RefreshResponse> response) {
                 if (response.body() != null) {
                     refreshResponseMutableLiveData.postValue(response.body());
-//                    Log.d("refreshResponse", response.body().getMessage() + " " + response.body().isSuccess() + " " + response.body().getAccessToken());
+//                    Log.d("refreshResponse", response.body().getMessage() + " " + response.body().isError() + " " + response.body().getAccessToken());
                 }
 
                 if (response.errorBody() != null) {
@@ -74,7 +73,7 @@ public void onResponse(@NonNull Call<RefreshResponse> call, @NonNull Response<Re
             @Override
             public void onFailure(@NonNull Call<RefreshResponse> call, @NonNull Throwable t) {
 //                Log.d("refreshResponse", t.getMessage());
-                refreshResponseMutableLiveData.postValue(new RefreshResponse(false, t.getMessage(), ""));
+                refreshResponseMutableLiveData.postValue(new RefreshResponse(true, t.getMessage(), ""));
             }
         });
 

android/app/src/main/java/life/nsu/aether/utils/DecodeJwt.java

@@ -0,0 +1,59 @@
+/*
+ * DecodeJwt Created by Samiur Prapon
+ * Last modified  10/23/22, 5:41 PM
+ * Copyright (c) 2022. All rights reserved.
+ *
+ */
+
+package life.nsu.aether.utils;
+
+import com.google.gson.Gson;
+
+import java.nio.charset.StandardCharsets;
+
+import life.nsu.aether.models.TokenData;
+
+public class DecodeJwt {
+
+    TokenData data;
+
+    public DecodeJwt(String token) {
+        // split bearer + token
+        String[] splitData = token.split(" ");
+
+//        Log.d("DecodeJwt", splitData[1]);
+
+        // decode token and store as a String
+        String onlyToken = getDecodedJwt(splitData[1]);
+
+//        Log.d("DecodeJwt", onlyToken);
+
+        // Convert string to object
+        this.data = new Gson().fromJson(onlyToken, TokenData.class);
+    }
+
+    public String getDecodedJwt(String jwt) {
+        StringBuilder result = new StringBuilder();
+
+        String[] parts = jwt.split("[.]");
+
+        try {
+            byte[] partAsBytes = parts[1].getBytes(StandardCharsets.UTF_8);
+            String decodedPart = null;
+
+            if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) {
+                decodedPart = new String(java.util.Base64.getUrlDecoder().decode(partAsBytes), StandardCharsets.UTF_8);
+            }
+
+            result.append(decodedPart);
+        } catch (Exception e) {
+            throw new RuntimeException("Couldn't decode jwt", e);
+        }
+
+        return result.toString();
+    }
+
+    public TokenData getData() {
+        return data;
+    }
+}