1 files changed, 86 insertions, 0 deletions
diff --git a/src/java/com/android/internal/telephony/security/CellularIdentifierDisclosureNotifier.java b/src/java/com/android/internal/telephony/security/CellularIdentifierDisclosureNotifier.java
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+++ b/src/java/com/android/internal/telephony/security/CellularIdentifierDisclosureNotifier.java
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.internal.telephony.security;
+
+import android.telephony.CellularIdentifierDisclosure;
+
+import com.android.internal.annotations.VisibleForTesting;
+import com.android.telephony.Rlog;
+
+/**
+ * Encapsulates logic to emit notifications to the user that their cellular identifiers were
+ * disclosed in the clear.
+ *
+ * <p>This class will either emit notifications through SafetyCenterManager if SafetyCenter exists
+ * on a device, or it will emit system notifications otherwise.
+ *
+ * @hide
+ */
+public class CellularIdentifierDisclosureNotifier {
+
+    private static final String TAG = "CellularIdentifierDisclosureNotifier";
+    private static CellularIdentifierDisclosureNotifier sInstance = null;
+    private boolean mEnabled = false;
+
+    @VisibleForTesting
+    public CellularIdentifierDisclosureNotifier() {}
+
+    /**
+     * Add a CellularIdentifierDisclosure to be tracked by this instance.
+     * If appropriate, this will trigger a user notification.
+     */
+    public void addDisclosure(CellularIdentifierDisclosure disclosure) {
+        // TODO (b/308985417) this is a stub method for now. Logic
+        // for tracking disclosures and emitting notifications will flow
+        // from here.
+        Rlog.d(TAG, "Identifier disclosure reported: " + disclosure);
+    }
+
+    /**
+     * Get a singleton CellularIdentifierDisclosureNotifier.
+     */
+    public static synchronized CellularIdentifierDisclosureNotifier getInstance() {
+        if (sInstance == null) {
+            sInstance = new CellularIdentifierDisclosureNotifier();
+        }
+
+        return sInstance;
+    }
+
+    /**
+     * Re-enable if previously disabled. This means that {@code addDisclsoure} will start tracking
+     * disclosures again and potentially emitting notifications.
+     */
+    public void enable() {
+        Rlog.d(TAG, "enabled");
+        mEnabled = true;
+    }
+
+    /**
+     * Clear all internal state and prevent further notifications until optionally re-enabled.
+     * This can be used to in response to a user disabling the feature to emit notifications.
+     * If {@code addDisclosure} is called while in a disabled state, disclosures will be dropped.
+     */
+    public void disable() {
+        Rlog.d(TAG, "disabled");
+        mEnabled = false;
+    }
+
+    public boolean isEnabled() {
+        return mEnabled;
+    }
+}