diff options
Diffstat (limited to 'src/com/android/server/telecom/SensitivePhoneNumbers.java')
-rw-r--r-- | src/com/android/server/telecom/SensitivePhoneNumbers.java | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/src/com/android/server/telecom/SensitivePhoneNumbers.java b/src/com/android/server/telecom/SensitivePhoneNumbers.java new file mode 100644 index 00000000..e652bc04 --- /dev/null +++ b/src/com/android/server/telecom/SensitivePhoneNumbers.java @@ -0,0 +1,116 @@ +/* + * Copyright (C) 2017 The Android Open Source Project + * Copyright (C) 2017 The LineageOS 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.server.telecom; + +import android.content.Context; +import android.os.Environment; +import android.telephony.SubscriptionManager; +import android.telephony.TelephonyManager; +import android.text.TextUtils; +import android.util.Log; +import android.util.Xml; + +import org.xmlpull.v1.XmlPullParser; +import org.xmlpull.v1.XmlPullParserException; + +import java.io.File; +import java.io.FileNotFoundException; +import java.io.FileReader; +import java.io.IOException; +import java.util.ArrayList; +import java.util.HashMap; + +public class SensitivePhoneNumbers { + private final String LOG_TAG = this.getClass().getSimpleName(); + + public static final String SENSIBLE_PHONENUMBERS_FILE_PATH = "etc/sensitive_pn.xml"; + private static final String ns = null; + + private HashMap<String, ArrayList<String>> mSensitiveNumbersMap = new HashMap<>(); + + public SensitivePhoneNumbers() { + loadSensiblePhoneNumbers(); + } + + private void loadSensiblePhoneNumbers() { + FileReader sensiblePNReader; + + File sensiblePNFile = new File(Environment.getRootDirectory(), + SENSIBLE_PHONENUMBERS_FILE_PATH); + + try { + sensiblePNReader = new FileReader(sensiblePNFile); + } catch (FileNotFoundException e) { + Log.w(LOG_TAG, "Can not open " + sensiblePNFile.getAbsolutePath()); + return; + } + + try { + XmlPullParser parser = Xml.newPullParser(); + parser.setInput(sensiblePNReader); + parser.nextTag(); + + readSensitivePNS(parser); + + sensiblePNReader.close(); + } catch (XmlPullParserException e) { + Log.w(LOG_TAG, "Exception in spn-conf parser " + e); + } catch (IOException e) { + Log.w(LOG_TAG, "Exception in spn-conf parser " + e); + } + } + + private void readSensitivePNS(XmlPullParser parser) + throws XmlPullParserException, IOException { + parser.require(XmlPullParser.START_TAG, ns, "sensitivePNS"); + while (parser.next() != XmlPullParser.END_TAG) { + if (parser.getEventType() != XmlPullParser.START_TAG) { + continue; + } + String name = parser.getName(); + if ("sensitivePN".equals(name)) { + SensitivePhoneNumber sensitivePN = SensitivePhoneNumber + .readSensitivePhoneNumbers(parser); + mSensitiveNumbersMap.put(sensitivePN.getNetworkNumeric(), + sensitivePN.getPhoneNumbers()); + } else { + break; + } + } + } + + public boolean isSensitiveNumber(Context context, String numberToCheck, String subId) { + TelephonyManager telephonyManager = + (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE); + + int subIdInt = SubscriptionManager.getDefaultSubscriptionId(); + try{ + subIdInt = Integer.valueOf(subId); + }catch (NumberFormatException e) { + Log.w(LOG_TAG, "Error parsing subId"); + } + + String networkUsed = telephonyManager.getNetworkOperator(subIdInt); + if (!TextUtils.isEmpty(networkUsed)) { + String networkMCC = networkUsed.substring(0, 3); + return mSensitiveNumbersMap.containsKey(networkMCC) && + mSensitiveNumbersMap.get(networkMCC).contains(numberToCheck); + } + return false; + } +} |