Разблокировка по PIN/Отпечатку пальца

app/proguard-rules.pro

@@ -43,4 +43,5 @@
 
 -keep class com.vtosters.lite.** { *; }
 -keep class com.vk.** { *; }
--keep class bruhcollective.itaysonlab.libvkx.client.** { *; }
+-keep class bruhcollective.itaysonlab.libvkx.client.** { *; }
+-keep class com.guardanis.applock.** { *; }

app/src/main/java/com/guardanis/applock/AppLock.java

@@ -0,0 +1,342 @@
+package com.guardanis.applock;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.util.Log;
+
+import androidx.annotation.NonNull;
+import androidx.core.hardware.fingerprint.FingerprintManagerCompat;
+import androidx.core.os.CancellationSignal;
+
+import com.vtosters.lite.R;
+
+import com.guardanis.applock.activities.UnlockActivity;
+import com.guardanis.applock.services.FingerprintLockService;
+import com.guardanis.applock.services.FingerprintLockService.AuthenticationDelegate;
+import com.guardanis.applock.services.LockService;
+import com.guardanis.applock.services.PINLockService;
+
+import java.util.HashMap;
+import java.util.concurrent.TimeUnit;
+
+import ru.vtosters.lite.utils.AndroidUtils;
+
+public class AppLock {
+
+    public static final int REQUEST_CODE_UNLOCK = 9371;
+    public static final int REQUEST_CODE_LOCK_CREATION = 9372;
+    public static final int REQUEST_CODE_FINGERPRINT_PERMISSION = 9373;
+    public static final int ERROR_CODE_FINGERPRINTS_MISSING_HARDWARE = 1;
+    public static final int ERROR_CODE_FINGERPRINTS_PERMISSION_REQUIRED = 2;
+    public static final int ERROR_CODE_FINGERPRINTS_EMPTY = 3;
+    public static final int ERROR_CODE_FINGERPRINTS_NOT_LOCALLY_ENROLLED = 4;
+    public static final int ERROR_CODE_SDK_VERSION_MINIMUM = 5;
+    private static final String PREFS = "pin__preferences";
+    private static final String PREF_UNLOCK_FAILURE_TIME = "pin__unlock_failure_time";
+    private static final String PREF_UNLOCK_SUCCESS_TIME = "pin__unlock_success_time";
+    private static AppLock instance;
+    protected Context context;
+    protected HashMap<Class<? extends LockService>, LockService> lockServices = new HashMap<>();
+    protected int unlockAttemptsCount = 1;
+
+    protected AppLock(Context context) {
+        this.context = context.getApplicationContext();
+
+        this.lockServices.put(PINLockService.class, new PINLockService());
+        this.lockServices.put(FingerprintLockService.class, new FingerprintLockService());
+    }
+
+    public static AppLock getInstance(Context context) {
+        if (instance == null)
+            instance = new AppLock(context);
+
+        return instance;
+    }
+
+    /**
+     * @return true if the user has enrolled in either PIN or Fingerprint locking
+     */
+    public static boolean isEnrolled(Context context) {
+        AppLock helper = getInstance(context);
+
+        for (LockService service : helper.lockServices.values()) {
+            if (service.isEnrolled(context))
+                return true;
+        }
+
+        return false;
+    }
+
+    public static void setAuthenticationRequired(Context context) {
+        AppLock helper = getInstance(context);
+
+        helper.getPreferences()
+                .edit()
+                .putLong(PREF_UNLOCK_SUCCESS_TIME, 0)
+                .commit();
+    }
+
+    /**
+     * @return true if the user is enrolled in locking and the last successful unlock happened more than the default lock duration ago
+     */
+    public static boolean isUnlockRequired(Context context) {
+        int minutes = Integer.parseInt(getPinCodeTime(context));
+
+        if (minutes < 1) {
+            minutes = 1;
+        }
+
+        return isUnlockRequired(context, TimeUnit.MINUTES.toMillis(minutes));
+    }
+
+    public static String getPinCodeTime(Context context) {
+        return context.getString(AndroidUtils.getIdentifier("applock__activity_lock_reenable_minutes", "integer"));
+    }
+
+    public static String getPinCodeLimits(Context context) {
+        return context.getString(AndroidUtils.getIdentifier("applock__input_pin_item_count", "integer"));
+    }
+
+    /**
+     * @return true if the user is enrolled in locking and the last successful unlock happened more than lastSuccessValidMs ago
+     */
+    public static boolean isUnlockRequired(Context context, long lastSuccessValidMs) {
+        return isEnrolled(context) && lastSuccessValidMs < System.currentTimeMillis() - getUnlockSuccessTime(context);
+    }
+
+    protected static long getUnlockSuccessTime(Context context) {
+        return AppLock.getInstance(context)
+                .getPreferences()
+                .getLong(PREF_UNLOCK_SUCCESS_TIME, 0);
+    }
+
+    public static void onActivityResumed(Activity activity) {
+        if (isUnlockRequired(activity)) {
+            boolean unlockActivityReturnAllowed = activity.getResources()
+                    .getBoolean(AndroidUtils.getIdentifier("applock__unlock_activity_return_allowed", "bool"));
+
+            Intent intent = new Intent(activity, UnlockActivity.class)
+                    .putExtra(UnlockActivity.INTENT_ALLOW_UNLOCKED_EXIT, unlockActivityReturnAllowed);
+
+            activity.startActivityForResult(intent, REQUEST_CODE_UNLOCK);
+        }
+    }
+
+    /**
+     * Check if an action-based unlock is required and navigates to the UnlockActivity if true.
+     *
+     * @return true if unlock is required.
+     */
+    public static boolean unlockIfRequired(Activity activity) {
+        if (isUnlockRequired(activity)) {
+            Intent intent = new Intent(activity, UnlockActivity.class)
+                    .putExtra(UnlockActivity.INTENT_ALLOW_UNLOCKED_EXIT, true);
+
+            activity.startActivityForResult(intent, REQUEST_CODE_UNLOCK);
+
+            return true;
+        } else
+            return false;
+    }
+
+    public void attemptFingerprintUnlock(final UnlockDelegate eventListener) {
+        if (handleFailureBlocking(eventListener))
+            return;
+
+        AuthenticationDelegate delegate = new AuthenticationDelegate() {
+            @Override
+            public void onResolutionRequired(int errorCode) {
+                // eventListener.onResolutionRequired(errorCode);
+                eventListener.requestOpenKeyboard();
+            }
+
+            @Override
+            public void onAuthenticationHelp(int code, CharSequence message) {
+                eventListener.onAuthenticationHelp(code, String.valueOf(message));
+            }
+
+            @Override
+            public void onAuthenticating(CancellationSignal cancellationSignal) {
+                // Handled internally
+            }
+
+            @Override
+            public void onAuthenticationSuccess(@NonNull FingerprintManagerCompat.AuthenticationResult result) {
+                onUnlockSuccessful(eventListener);
+            }
+
+            @Override
+            public void onAuthenticationFailed(String message) {
+                Log.w(getClass().getSimpleName(), "Fingerprint authentication failed: " + message);
+            }
+        };
+
+        getLockService(FingerprintLockService.class)
+                .authenticate(context, delegate);
+    }
+
+    public void attemptPINUnlock(String pin, final UnlockDelegate eventListener) {
+        if (handleFailureBlocking(eventListener))
+            return;
+
+        PINLockService.AuthenticationDelegate delegate = new PINLockService.AuthenticationDelegate() {
+            @Override
+            public void onNoPIN() {
+                onUnlockFailed(context.getString(AndroidUtils.getIdentifier("applock__unlock_error_no_matching_pin_found", "string")));
+            }
+
+            @Override
+            public void onPINDoesNotMatch() {
+                onUnlockFailed(context.getString(AndroidUtils.getIdentifier("applock__unlock_error_match_failed", "string")));
+            }
+
+            @Override
+            public void onPINMatches() {
+                onUnlockSuccessful(eventListener);
+            }
+
+            private void onUnlockFailed(String message) {
+                handleUnlockFailure(message, eventListener);
+            }
+        };
+
+        getLockService(PINLockService.class)
+                .authenticate(context, pin, delegate);
+    }
+
+    /**
+     * @return true if failure blocking is enabled
+     */
+    private boolean handleFailureBlocking(final UnlockDelegate eventListener) {
+        if (isUnlockFailureBlockEnabled()) {
+            unlockAttemptsCount++;
+
+            if (getFailureDelayMs() < System.currentTimeMillis() - getUnlockFailureBlockStart())
+                resetUnlockFailure();
+            else {
+                String message = String.format(
+                        context.getString(AndroidUtils.getIdentifier("applock__unlock_error_retry_limit_exceeded", "string")),
+                        formatTimeRemaining());
+
+                if (eventListener != null)
+                    eventListener.onFailureLimitExceeded(message);
+
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    protected void handleUnlockFailure(String message, UnlockDelegate eventListener) {
+        this.unlockAttemptsCount++;
+
+        if (eventListener != null)
+            eventListener.onFailureLimitExceeded(message);
+
+        if (context.getResources().getInteger(AndroidUtils.getIdentifier("applock__max_retry_count", "integer")) < unlockAttemptsCount)
+            onFailureExceedsLimit();
+    }
+
+    public SharedPreferences getPreferences() {
+        return context.getSharedPreferences(PREFS, 0);
+    }
+
+    protected void onFailureExceedsLimit() {
+        getPreferences()
+                .edit()
+                .putLong(PREF_UNLOCK_FAILURE_TIME, System.currentTimeMillis())
+                .commit();
+    }
+
+    public boolean isUnlockFailureBlockEnabled() {
+        return context.getResources().getInteger(AndroidUtils.getIdentifier("applock__max_retry_count", "integer")) < unlockAttemptsCount
+                || System.currentTimeMillis() - getUnlockFailureBlockStart() < getFailureDelayMs();
+    }
+
+    protected long getUnlockFailureBlockStart() {
+        return getPreferences()
+                .getLong(PREF_UNLOCK_FAILURE_TIME, 0);
+    }
+
+    protected void onUnlockSuccessful(UnlockDelegate eventListener) {
+        getPreferences()
+                .edit()
+                .putLong(PREF_UNLOCK_SUCCESS_TIME, System.currentTimeMillis())
+                .commit();
+
+        resetUnlockFailure();
+
+        if (eventListener != null)
+            eventListener.onUnlockSuccessful();
+    }
+
+    /**
+     * Reset the last login time to require the user to re-authenticate with
+     * AppLock the next time they are eligible to unlock.
+     */
+    public void setAuthenticationRequired() {
+        getPreferences()
+                .edit()
+                .putLong(PREF_UNLOCK_SUCCESS_TIME, 0)
+                .commit();
+    }
+
+    protected void resetUnlockFailure() {
+        unlockAttemptsCount = 1;
+
+        getPreferences()
+                .edit()
+                .putLong(PREF_UNLOCK_FAILURE_TIME, 0)
+                .commit();
+    }
+
+    protected String formatTimeRemaining() {
+        long millis = getFailureDelayMs() - (System.currentTimeMillis() - getUnlockFailureBlockStart());
+        long seconds = TimeUnit.MILLISECONDS.toSeconds(millis) - TimeUnit.MINUTES.toSeconds(TimeUnit.MILLISECONDS.toMinutes(millis));
+
+        if (TimeUnit.MILLISECONDS.toMinutes(millis) < 1)
+            return String.format(AndroidUtils.getString(R.string.n_seconds), seconds);
+        else
+            return String.format(AndroidUtils.getString(R.string.n_mins_secs), TimeUnit.MILLISECONDS.toMinutes(millis), seconds);
+    }
+
+    protected long getFailureDelayMs() {
+        return TimeUnit.MINUTES.toMillis(context.getResources()
+                .getInteger(AndroidUtils.getIdentifier("applock__failure_retry_delay", "integer")));
+    }
+
+    /**
+     * This will remove all PIN and/or Fingerprint enrollment data.
+     * Users will need to re-enroll in AppLock after this call.
+     */
+    public void invalidateEnrollments() {
+        resetUnlockFailure();
+        setAuthenticationRequired();
+
+        for (LockService service : lockServices.values())
+            service.invalidateEnrollments(context);
+    }
+
+    public void cancelPendingAuthentications() {
+        for (LockService service : lockServices.values())
+            service.cancelPendingAuthentications(context);
+    }
+
+    public <T extends LockService> T getLockService(Class<T> named) {
+        return (T) lockServices.get(named);
+    }
+
+    public interface UnlockDelegate {
+        void onUnlockSuccessful();
+
+        void onResolutionRequired(int errorCode);
+
+        void onAuthenticationHelp(int code, String message);
+
+        void onFailureLimitExceeded(String message);
+        void requestOpenKeyboard();
+    }
+}