1 package com.android.internal.telephony; 2 3 import android.content.Context; 4 import android.os.Bundle; 5 import android.provider.BlockedNumberContract; 6 import android.telephony.Rlog; 7 8 /** 9 * {@hide} Checks for blocked phone numbers against {@link BlockedNumberContract} 10 */ 11 public class BlockChecker { 12 private static final String TAG = "BlockChecker"; 13 private static final boolean VDBG = false; // STOPSHIP if true. 14 15 /** 16 * Returns {@code true} if {@code phoneNumber} is blocked according to {@code extras}. 17 * <p> 18 * This method catches all underlying exceptions to ensure that this method never throws any 19 * exception. 20 * <p> 21 * @deprecated use {@link #isBlocked(Context, String, Bundle)} instead. 22 * 23 * @param context the context of the caller. 24 * @param phoneNumber the number to check. 25 * @return {@code true} if the number is blocked. {@code false} otherwise. 26 */ 27 @Deprecated isBlocked(Context context, String phoneNumber)28 public static boolean isBlocked(Context context, String phoneNumber) { 29 return isBlocked(context, phoneNumber, null /* extras */); 30 } 31 32 /** 33 * Returns {@code true} if {@code phoneNumber} is blocked according to {@code extras}. 34 * <p> 35 * This method catches all underlying exceptions to ensure that this method never throws any 36 * exception. 37 * 38 * @param context the context of the caller. 39 * @param phoneNumber the number to check. 40 * @param extras the extra attribute of the number. 41 * @return {@code true} if the number is blocked. {@code false} otherwise. 42 */ isBlocked(Context context, String phoneNumber, Bundle extras)43 public static boolean isBlocked(Context context, String phoneNumber, Bundle extras) { 44 return getBlockStatus(context, phoneNumber, extras) 45 != BlockedNumberContract.STATUS_NOT_BLOCKED; 46 } 47 48 /** 49 * Returns the call blocking status for the {@code phoneNumber}. 50 * <p> 51 * This method catches all underlying exceptions to ensure that this method never throws any 52 * exception. 53 * 54 * @param context the context of the caller. 55 * @param phoneNumber the number to check. 56 * @param extras the extra attribute of the number. 57 * @return result code indicating if the number should be blocked, and if so why. 58 * Valid values are: {@link BlockedNumberContract#STATUS_NOT_BLOCKED}, 59 * {@link BlockedNumberContract#STATUS_BLOCKED_IN_LIST}, 60 * {@link BlockedNumberContract#STATUS_BLOCKED_NOT_IN_CONTACTS}, 61 * {@link BlockedNumberContract#STATUS_BLOCKED_PAYPHONE}, 62 * {@link BlockedNumberContract#STATUS_BLOCKED_RESTRICTED}, 63 * {@link BlockedNumberContract#STATUS_BLOCKED_UNKNOWN_NUMBER}. 64 */ getBlockStatus(Context context, String phoneNumber, Bundle extras)65 public static int getBlockStatus(Context context, String phoneNumber, Bundle extras) { 66 int blockStatus = BlockedNumberContract.STATUS_NOT_BLOCKED; 67 long startTimeNano = System.nanoTime(); 68 69 try { 70 blockStatus = BlockedNumberContract.SystemContract.shouldSystemBlockNumber( 71 context, phoneNumber, extras); 72 if (blockStatus != BlockedNumberContract.STATUS_NOT_BLOCKED) { 73 Rlog.d(TAG, phoneNumber + " is blocked."); 74 } 75 } catch (Exception e) { 76 Rlog.e(TAG, "Exception checking for blocked number: " + e); 77 } 78 79 int durationMillis = (int) ((System.nanoTime() - startTimeNano) / 1000000); 80 if (durationMillis > 500 || VDBG) { 81 Rlog.d(TAG, "Blocked number lookup took: " + durationMillis + " ms."); 82 } 83 return blockStatus; 84 } 85 } 86