CringeStudios/Code-Guard
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QR scanning, Basic OTP stuff (WIP)

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This commit is contained in:
MrLetsplay 2023-06-21 21:33:17 +02:00
parent ff3dc4e977
commit 6e19440e3d
Signed by: mr
SSH Key Fingerprint: SHA256:92jBH80vpXyaZHjaIl47pjRq+Yt7XGTArqQg1V7hSqg
11 changed files with 456 additions and 6 deletions
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11
app/build.gradle
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@ -45,4 +45,15 @@ dependencies {
implementation "androidx.biometric:biometric:1.1.0"
implementation 'com.cringe_studios:CringeAuthenticatorLibrary:1.0'
implementation 'com.google.mlkit:barcode-scanning:17.1.0'
implementation 'com.google.code.gson:gson:2.8.9'
def camerax_version = "1.2.2"
implementation "androidx.camera:camera-core:${camerax_version}"
implementation "androidx.camera:camera-camera2:${camerax_version}"
implementation "androidx.camera:camera-lifecycle:${camerax_version}"
implementation "androidx.camera:camera-video:${camerax_version}"
implementation "androidx.camera:camera-view:${camerax_version}"
implementation "androidx.camera:camera-extensions:${camerax_version}"
}

6
app/src/main/AndroidManifest.xml
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@ -2,6 +2,9 @@
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools">
<uses-feature android:name="android.hardware.camera" android:required="true" />
<uses-permission android:name="android.permission.CAMERA" />
<application
android:allowBackup="true"
android:dataExtractionRules="@xml/data_extraction_rules"
@ -23,6 +26,9 @@
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name=".QRScannerActivity"
android:theme="@style/Theme.CringeAuthenticator">
</activity>
</application>
</manifest>

48
app/src/main/java/com/cringe_studios/cringe_authenticator/MainActivity.java
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@ -1,25 +1,40 @@
package com.cringe_studios.cringe_authenticator;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.EditText;
import androidx.activity.result.ActivityResultLauncher;
import androidx.activity.result.contract.ActivityResultContract;
import androidx.activity.result.contract.ActivityResultContracts;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.app.AppCompatActivity;
import androidx.biometric.BiometricPrompt;
import androidx.core.content.ContextCompat;
import androidx.fragment.app.Fragment;
import androidx.navigation.NavController;
import androidx.navigation.Navigation;
import androidx.navigation.ui.AppBarConfiguration;
import androidx.navigation.ui.NavigationUI;
import com.cringe_studios.cringe_authenticator.databinding.ActivityMainBinding;
import com.cringe_studios.cringe_authenticator.databinding.FragmentDynamicBinding;
import com.cringe_studios.cringe_authenticator.fragment.DynamicFragment;
import com.cringe_studios.cringe_authenticator.fragment.HomeFragment;
import com.cringe_studios.cringe_authenticator.fragment.MenuFragment;
import com.cringe_studios.cringe_authenticator.fragment.SettingsFragment;
import com.cringe_studios.cringe_authenticator.util.NavigationUtil;
import com.cringe_studios.cringe_authenticator.util.SettingsUtil;
import com.cringe_studios.cringe_authenticator_library.OTPType;
import com.google.android.material.color.utilities.DynamicColor;
import java.util.concurrent.Executor;
@ -28,6 +43,8 @@ public class MainActivity extends AppCompatActivity {
private AppBarConfiguration appBarConfiguration;
private ActivityMainBinding binding;
private ActivityResultLauncher<Void> startQRCodeScan;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
@ -54,6 +71,15 @@ public class MainActivity extends AppCompatActivity {
prompt.authenticate(info);*/
launchApp();
startQRCodeScan = registerForActivityResult(new QRScannerContract(), obj -> {
Fragment fragment = NavigationUtil.getCurrentFragment(this);
if(fragment instanceof DynamicFragment) {
DynamicFragment frag = (DynamicFragment) fragment;
SettingsUtil.addOTP(getSharedPreferences("groups", MODE_PRIVATE), frag.getGroupName(), obj);
}
Log.i("AMOGUS", "Actually got something bruh" + obj);
});
}
private void launchApp() {
@ -74,11 +100,15 @@ public class MainActivity extends AppCompatActivity {
// Inflate the menu; this adds items to the action bar if it is present.
/*if(NavigationUtil.getCurrentFragment(this) instanceof DynamicFragment) { TODO: vs. fabs?
//getMenuInflater().inflate(R.menu.menu_dynamic, menu);
getMenuInflater().inflate(R.menu.menu_dynamic, menu);
return true;
}*/
if(NavigationUtil.getCurrentFragment(this) instanceof MenuFragment) {
getMenuInflater().inflate(R.menu.menu_groups, menu);
return true;
}
getMenuInflater().inflate(R.menu.menu_main, menu);
return true;
}
@ -121,4 +151,20 @@ public class MainActivity extends AppCompatActivity {
// TODO: add code
}
public void scanCode(View view) {
Log.i("AMOGUS", "Scan");
Intent intent = new Intent(this, QRScannerActivity.class);
startQRCodeScan.launch(null);
}
public void addGroup(MenuItem item) {
EditText t = new EditText(this);
new AlertDialog.Builder(this)
.setTitle("New Group")
.setView(t)
.setPositiveButton("Add", (view, which) -> {})
.setNegativeButton("Cancel", (view, which) -> {})
.show();
}
}

74
app/src/main/java/com/cringe_studios/cringe_authenticator/OTPData.java Normal file
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@ -0,0 +1,74 @@
package com.cringe_studios.cringe_authenticator;
import com.cringe_studios.cringe_authenticator_library.OTP;
import com.cringe_studios.cringe_authenticator_library.OTPAlgorithm;
import com.cringe_studios.cringe_authenticator_library.OTPType;
import java.io.Serializable;
public class OTPData implements Serializable {
private String name;
private OTPType type;
private String secret;
private OTPAlgorithm algorithm;
private int digits;
private int period;
private int counter;
public OTPData(String name, OTPType type, String secret, OTPAlgorithm algorithm, int digits, int period, int counter) {
this.name = name;
this.type = type;
this.secret = secret;
this.algorithm = algorithm;
this.digits = digits;
this.period = period;
this.counter = counter;
}
public String getName() {
return name;
}
public OTPType getType() {
return type;
}
public String getSecret() {
return secret;
}
public OTPAlgorithm getAlgorithm() {
return algorithm;
}
public int getDigits() {
return digits;
}
public int getPeriod() {
return period;
}
public int getCounter() {
return counter;
}
public OTP toOTP() {
// TODO: checksum
return OTP.createNewOTP(type, secret, algorithm, digits, counter, period, false);
}
@Override
public String toString() {
return "OTPData{" +
"name='" + name + '\'' +
", type=" + type +
", secret='" + secret + '\'' +
", algorithm=" + algorithm +
", digits=" + digits +
", period=" + period +
", counter=" + counter +
'}';
}
}

196
app/src/main/java/com/cringe_studios/cringe_authenticator/QRScannerActivity.java Normal file
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@ -0,0 +1,196 @@
package com.cringe_studios.cringe_authenticator;
import android.Manifest;
import android.app.Activity;
import android.content.Intent;
import android.media.Image;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.util.Log;
import android.util.Size;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.OptIn;
import androidx.appcompat.app.AppCompatActivity;
import androidx.camera.core.Camera;
import androidx.camera.core.CameraSelector;
import androidx.camera.core.ExperimentalGetImage;
import androidx.camera.core.ImageAnalysis;
import androidx.camera.core.ImageProxy;
import androidx.camera.core.Preview;
import androidx.camera.lifecycle.ProcessCameraProvider;
import androidx.core.content.ContextCompat;
import androidx.lifecycle.LifecycleOwner;
import com.cringe_studios.cringe_authenticator.databinding.ActivityQrScannerBinding;
import com.cringe_studios.cringe_authenticator_library.OTP;
import com.cringe_studios.cringe_authenticator_library.OTPAlgorithm;
import com.cringe_studios.cringe_authenticator_library.OTPType;
import com.google.android.gms.common.api.CommonStatusCodes;
import com.google.common.util.concurrent.ListenableFuture;
import com.google.mlkit.vision.barcode.BarcodeScanner;
import com.google.mlkit.vision.barcode.BarcodeScannerOptions;
import com.google.mlkit.vision.barcode.BarcodeScanning;
import com.google.mlkit.vision.barcode.common.Barcode;
import com.google.mlkit.vision.common.InputImage;
import java.net.URI;
import java.net.URL;
import java.util.concurrent.ExecutionException;
public class QRScannerActivity extends AppCompatActivity {
private ActivityQrScannerBinding binding;
private ListenableFuture<ProcessCameraProvider> cameraProviderFuture;
private BarcodeScanner scanner;
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
requestPermissions(new String[] {Manifest.permission.CAMERA}, 1234);
}
binding = ActivityQrScannerBinding.inflate(getLayoutInflater());
setContentView(binding.getRoot());
cameraProviderFuture = ProcessCameraProvider.getInstance(this);
cameraProviderFuture.addListener(() -> {
Log.i("AMOGUS", "Got something");
try {
ProcessCameraProvider cameraProvider = cameraProviderFuture.get();
bindPreview(cameraProvider);
} catch (ExecutionException | InterruptedException e) {
// No errors need to be handled for this Future.
// This should never be reached.
}
}, ContextCompat.getMainExecutor(this));
BarcodeScannerOptions opts = new BarcodeScannerOptions.Builder()
.setBarcodeFormats(Barcode.FORMAT_QR_CODE)
.build();
scanner = BarcodeScanning.getClient();
}
void bindPreview(@NonNull ProcessCameraProvider cameraProvider) {
Preview preview = new Preview.Builder()
.build();
CameraSelector cameraSelector = new CameraSelector.Builder()
.requireLensFacing(CameraSelector.LENS_FACING_BACK)
.build();
preview.setSurfaceProvider(binding.preview.getSurfaceProvider());
ImageAnalysis analysis = new ImageAnalysis.Builder()
//.setTargetResolution(new Size(1280, 720))
.setBackpressureStrategy(ImageAnalysis.STRATEGY_KEEP_ONLY_LATEST)
.build();
analysis.setAnalyzer(ContextCompat.getMainExecutor(this), new Amogus());
Camera camera = cameraProvider.bindToLifecycle(this, cameraSelector, preview, analysis);
}
private class Amogus implements ImageAnalysis.Analyzer {
@OptIn(markerClass = ExperimentalGetImage.class)
@Override
public void analyze(@NonNull ImageProxy image) {
Image mediaImage = image.getImage();
if(mediaImage != null) {
InputImage input = InputImage.fromMediaImage(mediaImage, image.getImageInfo().getRotationDegrees());
scanner.process(input).addOnSuccessListener(barcodes -> {
//Log.i("AMOGUS", "found " + barcodes.size() + " codes");
image.close();
if(barcodes.size() >= 1) {
Barcode code = null;
Log.i("AMOGUS", "TYPE " + barcodes.get(0).getValueType());
for(Barcode c : barcodes) {
if(c.getValueType() == Barcode.TYPE_TEXT) {
code = c;
break;
}
}
Uri uri = Uri.parse(code.getRawValue());
Log.i("AMOGUS", code.getRawValue());
Log.i("AMOGUS", uri.getHost());
Log.i("AMOGUS", uri.getPath());
String type = uri.getHost();
String accountName = uri.getPath();
String secret = uri.getQueryParameter("secret");
String algorithm = uri.getQueryParameter("algorithm");
String digits = uri.getQueryParameter("digits");
String period = uri.getQueryParameter("period");
String counter = uri.getQueryParameter("counter");
if(type == null || secret == null) {
error("Missing params");
return;
}
OTPType fType;
try {
fType = OTPType.valueOf(type.toUpperCase());
}catch(IllegalArgumentException e) {
Log.i("AMOGUS", e.toString());
error("Failed to parse OTP parameters");
return;
}
if(fType == OTPType.HOTP && counter == null) {
error("Missing params");
return;
}
if(accountName == null || accountName.length() < 2 /* Because path is /accName, so 2 letters for acc with 1 letter name */) {
// TODO: error
Log.i("AMOGUS", "Missing params");
error("Missing OTP parameters");
return;
}
accountName = accountName.substring(1);
try {
// 0 or null for defaults (handled by Cringe-Authenticator-Library)
OTPAlgorithm fAlgorithm = algorithm == null ? null : OTPAlgorithm.valueOf(algorithm.toUpperCase());
int fDigits = digits == null ? 0 : Integer.parseInt(digits);
int fPeriod = period == null ? 0 : Integer.parseInt(period);
int fCounter = counter == null ? 0 : Integer.parseInt(counter);
success(new OTPData(accountName, fType, secret, fAlgorithm, fDigits, fPeriod, fCounter));
}catch(IllegalArgumentException e) {
Log.i("AMOGUS", e.toString());
error("Failed to parse OTP parameters");
return;
}
}
}).addOnFailureListener(e -> {});
}
}
}
private void success(OTPData data) {
Intent result = new Intent();
result.putExtra("data", data);
setResult(Activity.RESULT_OK, result);
finish();
}
private void error(String errorMessage) {
Intent result = new Intent();
setResult(Activity.RESULT_CANCELED, result);
finish();
}
}

28
app/src/main/java/com/cringe_studios/cringe_authenticator/QRScannerContract.java Normal file
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@ -0,0 +1,28 @@
package com.cringe_studios.cringe_authenticator;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import androidx.activity.result.contract.ActivityResultContract;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
public class QRScannerContract extends ActivityResultContract<Void, OTPData> {
@NonNull
@Override
public Intent createIntent(@NonNull Context context, Void theVoid) {
return new Intent(context, QRScannerActivity.class);
}
@Override
public OTPData parseResult(int result, @Nullable Intent intent) {
if(result != Activity.RESULT_OK || intent == null) {
return null;
}
return (OTPData) intent.getSerializableExtra("data");
}
}

35
app/src/main/java/com/cringe_studios/cringe_authenticator/fragment/DynamicFragment.java
View File

@ -1,6 +1,9 @@
package com.cringe_studios.cringe_authenticator.fragment;
import android.content.Context;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
@ -9,15 +12,21 @@ import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import com.cringe_studios.cringe_authenticator.OTPData;
import com.cringe_studios.cringe_authenticator.R;
import com.cringe_studios.cringe_authenticator.databinding.AuthenticateTotpBinding;
import com.cringe_studios.cringe_authenticator.databinding.FragmentDynamicBinding;
import com.cringe_studios.cringe_authenticator.util.FabUtil;
import com.cringe_studios.cringe_authenticator.util.NavigationUtil;
import com.cringe_studios.cringe_authenticator.util.SettingsUtil;
import com.google.android.material.floatingactionbutton.FloatingActionButton;
import java.util.List;
public class DynamicFragment extends Fragment {
private String groupName;
private FragmentDynamicBinding binding;
@Override
@ -30,23 +39,43 @@ public class DynamicFragment extends Fragment {
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
binding = FragmentDynamicBinding.inflate(inflater, container, false);
String tab = requireArguments().getString("tab");
groupName = requireArguments().getString("group");
String[] totps = new String[]{"Code 1", "Code 2", tab};
/*String[] totps = new String[]{"Code 1", "Code 2", groupName};
for(String totp : totps) {
AuthenticateTotpBinding itemBinding = AuthenticateTotpBinding.inflate(inflater);
itemBinding.displayName.setText(totp);
binding.itemList.addView(itemBinding.getRoot());
}
}*/
loadOTPs();
FabUtil.showFabs(getActivity());
return binding.getRoot();
}
public void loadOTPs() {
SharedPreferences prefs = getActivity().getSharedPreferences("groups", Context.MODE_PRIVATE);
List<OTPData> data = SettingsUtil.getOTPs(prefs, groupName);
Log.i("AMOGUS", "OTPS: " + data);
for(OTPData otp : data) {
AuthenticateTotpBinding itemBinding = AuthenticateTotpBinding.inflate(getLayoutInflater());
itemBinding.displayName.setText(otp.getName());
itemBinding.totpCode.setText(otp.toOTP().getPin());
binding.itemList.addView(itemBinding.getRoot());
}
}
@Override
public void onDestroyView() {
super.onDestroyView();
this.binding = null;
}
public String getGroupName() {
return groupName;
}
}

30
app/src/main/java/com/cringe_studios/cringe_authenticator/util/SettingsUtil.java Normal file
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@ -0,0 +1,30 @@
package com.cringe_studios.cringe_authenticator.util;
import android.content.SharedPreferences;
import com.cringe_studios.cringe_authenticator.OTPData;
import com.google.gson.Gson;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
public class SettingsUtil {
private static final Gson GSON = new Gson();
public static List<OTPData> getOTPs(SharedPreferences prefs, String group) {
String currentOTPs = prefs.getString("group." + group, "[]");
return Arrays.asList(GSON.fromJson(currentOTPs, OTPData[].class));
}
public static void addOTP(SharedPreferences prefs, String group, OTPData data) {
List<OTPData> otps = new ArrayList<>(getOTPs(prefs, group));
otps.add(data);
prefs.edit()
.putString("group." + group, GSON.toJson(otps.toArray(new OTPData[otps.size()])))
.apply();
}
}

5
app/src/main/res/layout/activity_main.xml
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@ -28,7 +28,7 @@
android:layout_gravity="bottom|end"
android:layout_marginEnd="@dimen/fab_margin"
android:layout_marginBottom="16dp"
app:srcCompat="@android:drawable/ic_menu_camera"
app:srcCompat="@android:drawable/ic_menu_edit"
android:visibility="gone" />
<com.google.android.material.floatingactionbutton.FloatingActionButton
@ -38,7 +38,8 @@
android:layout_gravity="bottom|end"
android:layout_marginEnd="@dimen/fab_margin"
android:layout_marginBottom="16dp"
app:srcCompat="@android:drawable/ic_menu_edit"
android:onClick="scanCode"
app:srcCompat="@android:drawable/ic_menu_camera"
android:visibility="gone" />
<com.google.android.material.floatingactionbutton.FloatingActionButton

12
app/src/main/res/layout/activity_qr_scanner.xml Normal file
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@ -0,0 +1,12 @@
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:keepScreenOn="true"
android:id="@+id/container">
<androidx.camera.view.PreviewView
android:id="@+id/preview"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</FrameLayout>

17
app/src/main/res/menu/menu_groups.xml Normal file
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@ -0,0 +1,17 @@
<menu xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
tools:context="com.cringe_studios.cringe_authenticator.MainActivity">
<item
android:id="@+id/action_code"
android:orderInCategory="100"
android:title="New Group"
app:showAsAction="never"
android:onClick="addGroup" />
<item
android:id="@+id/action_settings"
android:orderInCategory="100"
android:title="Settings"
app:showAsAction="never"
android:onClick="openSettings" />
</menu>