diff options
Diffstat (limited to 'telephony/common/com/android/internal/telephony/SmsNumberUtils.java')
| -rw-r--r-- | telephony/common/com/android/internal/telephony/SmsNumberUtils.java | 627 |
1 files changed, 627 insertions, 0 deletions
diff --git a/telephony/common/com/android/internal/telephony/SmsNumberUtils.java b/telephony/common/com/android/internal/telephony/SmsNumberUtils.java new file mode 100644 index 000000000000..0d33af639113 --- /dev/null +++ b/telephony/common/com/android/internal/telephony/SmsNumberUtils.java @@ -0,0 +1,627 @@ +/* + * Copyright (C) 2014 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; + +import android.content.Context; +import android.database.Cursor; +import android.database.SQLException; +import android.os.Binder; +import android.os.Build; +import android.os.PersistableBundle; +import android.telephony.CarrierConfigManager; +import android.telephony.PhoneNumberUtils; +import android.telephony.Rlog; +import android.telephony.TelephonyManager; +import android.text.TextUtils; + +import com.android.internal.telephony.HbpcdLookup.MccIdd; +import com.android.internal.telephony.HbpcdLookup.MccLookup; + +import java.util.ArrayList; +import java.util.HashMap; + + +/** + * This class implements handle the MO SMS target address before sending. + * This is special for VZW requirement. Follow the specifications of assisted dialing + * of MO SMS while traveling on VZW CDMA, international CDMA or GSM markets. + * {@hide} + */ +public class SmsNumberUtils { + private static final String TAG = "SmsNumberUtils"; + private static final boolean DBG = Build.IS_DEBUGGABLE; + + private static final String PLUS_SIGN = "+"; + + private static final int NANP_SHORT_LENGTH = 7; + private static final int NANP_MEDIUM_LENGTH = 10; + private static final int NANP_LONG_LENGTH = 11; + + private static final int NANP_CC = 1; + private static final String NANP_NDD = "1"; + private static final String NANP_IDD = "011"; + + private static final int MIN_COUNTRY_AREA_LOCAL_LENGTH = 10; + + private static final int GSM_UMTS_NETWORK = 0; + private static final int CDMA_HOME_NETWORK = 1; + private static final int CDMA_ROAMING_NETWORK = 2; + + private static final int NP_NONE = 0; + private static final int NP_NANP_BEGIN = 1; + + /* <Phone Number>, <NXX>-<XXXX> N[2-9] */ + private static final int NP_NANP_LOCAL = NP_NANP_BEGIN; + + /* <Area_code>-<Phone Number>, <NXX>-<NXX>-<XXXX> N[2-9] */ + private static final int NP_NANP_AREA_LOCAL = NP_NANP_BEGIN + 1; + + /* <1>-<Area_code>-<Phone Number>, 1-<NXX>-<NXX>-<XXXX> N[2-9] */ + private static final int NP_NANP_NDD_AREA_LOCAL = NP_NANP_BEGIN + 2; + + /* <+><U.S.Country_code><Area_code><Phone Number>, +1-<NXX>-<NXX>-<XXXX> N[2-9] */ + private static final int NP_NANP_NBPCD_CC_AREA_LOCAL = NP_NANP_BEGIN + 3; + + /* <Local_IDD><Country_code><Area_code><Phone Number>, 001-1-<NXX>-<NXX>-<XXXX> N[2-9] */ + private static final int NP_NANP_LOCALIDD_CC_AREA_LOCAL = NP_NANP_BEGIN + 4; + + /* <+><Home_IDD><Country_code><Area_code><Phone Number>, +011-1-<NXX>-<NXX>-<XXXX> N[2-9] */ + private static final int NP_NANP_NBPCD_HOMEIDD_CC_AREA_LOCAL = NP_NANP_BEGIN + 5; + + private static final int NP_INTERNATIONAL_BEGIN = 100; + /* <+>-<Home_IDD>-<Country_code>-<Area_code>-<Phone Number>, +011-86-25-86281234 */ + private static final int NP_NBPCD_HOMEIDD_CC_AREA_LOCAL = NP_INTERNATIONAL_BEGIN; + + /* <Home_IDD>-<Country_code>-<Area_code>-<Phone Number>, 011-86-25-86281234 */ + private static final int NP_HOMEIDD_CC_AREA_LOCAL = NP_INTERNATIONAL_BEGIN + 1; + + /* <NBPCD>-<Country_code>-<Area_code>-<Phone Number>, +1-86-25-86281234 */ + private static final int NP_NBPCD_CC_AREA_LOCAL = NP_INTERNATIONAL_BEGIN + 2; + + /* <Local_IDD>-<Country_code>-<Area_code>-<Phone Number>, 00-86-25-86281234 */ + private static final int NP_LOCALIDD_CC_AREA_LOCAL = NP_INTERNATIONAL_BEGIN + 3; + + /* <Country_code>-<Area_code>-<Phone Number>, 86-25-86281234*/ + private static final int NP_CC_AREA_LOCAL = NP_INTERNATIONAL_BEGIN + 4; + + private static int[] ALL_COUNTRY_CODES = null; + private static int MAX_COUNTRY_CODES_LENGTH; + private static HashMap<String, ArrayList<String>> IDDS_MAPS = + new HashMap<String, ArrayList<String>>(); + + private static class NumberEntry { + public String number; + public String IDD; + public int countryCode; + public NumberEntry(String number) { + this.number = number; + } + } + + /** + * Breaks the given number down and formats it according to the rules + * for different number plans and different network. + * + * @param number destination number which need to be format + * @param activeMcc current network's mcc + * @param networkType current network type + * + * @return the number after formatting. + */ + private static String formatNumber(Context context, String number, + String activeMcc, + int networkType) { + if (number == null ) { + throw new IllegalArgumentException("number is null"); + } + + if (activeMcc == null || activeMcc.trim().length() == 0) { + throw new IllegalArgumentException("activeMcc is null or empty!"); + } + + String networkPortionNumber = PhoneNumberUtils.extractNetworkPortion(number); + if (networkPortionNumber == null || networkPortionNumber.length() == 0) { + throw new IllegalArgumentException("Number is invalid!"); + } + + NumberEntry numberEntry = new NumberEntry(networkPortionNumber); + ArrayList<String> allIDDs = getAllIDDs(context, activeMcc); + + // First check whether the number is a NANP number. + int nanpState = checkNANP(numberEntry, allIDDs); + if (DBG) Rlog.d(TAG, "NANP type: " + getNumberPlanType(nanpState)); + + if ((nanpState == NP_NANP_LOCAL) + || (nanpState == NP_NANP_AREA_LOCAL) + || (nanpState == NP_NANP_NDD_AREA_LOCAL)) { + return networkPortionNumber; + } else if (nanpState == NP_NANP_NBPCD_CC_AREA_LOCAL) { + if (networkType == CDMA_HOME_NETWORK + || networkType == CDMA_ROAMING_NETWORK) { + // Remove "+" + return networkPortionNumber.substring(1); + } else { + return networkPortionNumber; + } + } else if (nanpState == NP_NANP_LOCALIDD_CC_AREA_LOCAL) { + if (networkType == CDMA_HOME_NETWORK) { + return networkPortionNumber; + } else if (networkType == GSM_UMTS_NETWORK) { + // Remove the local IDD and replace with "+" + int iddLength = numberEntry.IDD != null ? numberEntry.IDD.length() : 0; + return PLUS_SIGN + networkPortionNumber.substring(iddLength); + } else if (networkType == CDMA_ROAMING_NETWORK) { + // Remove the local IDD + int iddLength = numberEntry.IDD != null ? numberEntry.IDD.length() : 0; + return networkPortionNumber.substring(iddLength); + } + } + + int internationalState = checkInternationalNumberPlan(context, numberEntry, allIDDs, + NANP_IDD); + if (DBG) Rlog.d(TAG, "International type: " + getNumberPlanType(internationalState)); + String returnNumber = null; + + switch (internationalState) { + case NP_NBPCD_HOMEIDD_CC_AREA_LOCAL: + if (networkType == GSM_UMTS_NETWORK) { + // Remove "+" + returnNumber = networkPortionNumber.substring(1); + } + break; + + case NP_NBPCD_CC_AREA_LOCAL: + // Replace "+" with "011" + returnNumber = NANP_IDD + networkPortionNumber.substring(1); + break; + + case NP_LOCALIDD_CC_AREA_LOCAL: + if (networkType == GSM_UMTS_NETWORK || networkType == CDMA_ROAMING_NETWORK) { + int iddLength = numberEntry.IDD != null ? numberEntry.IDD.length() : 0; + // Replace <Local IDD> to <Home IDD>("011") + returnNumber = NANP_IDD + networkPortionNumber.substring(iddLength); + } + break; + + case NP_CC_AREA_LOCAL: + int countryCode = numberEntry.countryCode; + + if (!inExceptionListForNpCcAreaLocal(numberEntry) + && networkPortionNumber.length() >= 11 && countryCode != NANP_CC) { + // Add "011" + returnNumber = NANP_IDD + networkPortionNumber; + } + break; + + case NP_HOMEIDD_CC_AREA_LOCAL: + returnNumber = networkPortionNumber; + break; + + default: + // Replace "+" with 011 in CDMA network if the number's country + // code is not in the HbpcdLookup database. + if (networkPortionNumber.startsWith(PLUS_SIGN) + && (networkType == CDMA_HOME_NETWORK || networkType == CDMA_ROAMING_NETWORK)) { + if (networkPortionNumber.startsWith(PLUS_SIGN + NANP_IDD)) { + // Only remove "+" + returnNumber = networkPortionNumber.substring(1); + } else { + // Replace "+" with "011" + returnNumber = NANP_IDD + networkPortionNumber.substring(1); + } + } + } + + if (returnNumber == null) { + returnNumber = networkPortionNumber; + } + return returnNumber; + } + + /** + * Query International direct dialing from HbpcdLookup.db + * for specified country code + * + * @param mcc current network's country code + * + * @return the IDD array list. + */ + private static ArrayList<String> getAllIDDs(Context context, String mcc) { + ArrayList<String> allIDDs = IDDS_MAPS.get(mcc); + if (allIDDs != null) { + return allIDDs; + } else { + allIDDs = new ArrayList<String>(); + } + + String projection[] = {MccIdd.IDD, MccIdd.MCC}; + String where = null; + + // if mcc is null : return all rows + // if mcc is empty-string : return those rows whose mcc is emptry-string + String[] selectionArgs = null; + if (mcc != null) { + where = MccIdd.MCC + "=?"; + selectionArgs = new String[] {mcc}; + } + + Cursor cursor = null; + try { + cursor = context.getContentResolver().query(MccIdd.CONTENT_URI, projection, + where, selectionArgs, null); + if (cursor.getCount() > 0) { + while (cursor.moveToNext()) { + String idd = cursor.getString(0); + if (!allIDDs.contains(idd)) { + allIDDs.add(idd); + } + } + } + } catch (SQLException e) { + Rlog.e(TAG, "Can't access HbpcdLookup database", e); + } finally { + if (cursor != null) { + cursor.close(); + } + } + + IDDS_MAPS.put(mcc, allIDDs); + + if (DBG) Rlog.d(TAG, "MCC = " + mcc + ", all IDDs = " + allIDDs); + return allIDDs; + } + + + /** + * Verify if the the destination number is a NANP number + * + * @param numberEntry including number and IDD array + * @param allIDDs the IDD array list of the current network's country code + * + * @return the number plan type related NANP + */ + private static int checkNANP(NumberEntry numberEntry, ArrayList<String> allIDDs) { + boolean isNANP = false; + String number = numberEntry.number; + + if (number.length() == NANP_SHORT_LENGTH) { + // 7 digits - Seven digit phone numbers + char firstChar = number.charAt(0); + if (firstChar >= '2' && firstChar <= '9') { + isNANP = true; + for (int i=1; i< NANP_SHORT_LENGTH; i++ ) { + char c= number.charAt(i); + if (!PhoneNumberUtils.isISODigit(c)) { + isNANP = false; + break; + } + } + } + if (isNANP) { + return NP_NANP_LOCAL; + } + } else if (number.length() == NANP_MEDIUM_LENGTH) { + // 10 digits - Three digit area code followed by seven digit phone numbers/ + if (isNANP(number)) { + return NP_NANP_AREA_LOCAL; + } + } else if (number.length() == NANP_LONG_LENGTH) { + // 11 digits - One digit U.S. NDD(National Direct Dial) prefix '1', + // followed by three digit area code and seven digit phone numbers + if (isNANP(number)) { + return NP_NANP_NDD_AREA_LOCAL; + } + } else if (number.startsWith(PLUS_SIGN)) { + number = number.substring(1); + if (number.length() == NANP_LONG_LENGTH) { + // '+' and 11 digits -'+', followed by NANP CC prefix '1' followed by + // three digit area code and seven digit phone numbers + if (isNANP(number)) { + return NP_NANP_NBPCD_CC_AREA_LOCAL; + } + } else if (number.startsWith(NANP_IDD) && number.length() == NANP_LONG_LENGTH + 3) { + // '+' and 14 digits -'+', followed by NANP IDD "011" followed by NANP CC + // prefix '1' followed by three digit area code and seven digit phone numbers + number = number.substring(3); + if (isNANP(number)) { + return NP_NANP_NBPCD_HOMEIDD_CC_AREA_LOCAL; + } + } + } else { + // Check whether it's NP_NANP_LOCALIDD_CC_AREA_LOCAL + for (String idd : allIDDs) { + if (number.startsWith(idd)) { + String number2 = number.substring(idd.length()); + if(number2 !=null && number2.startsWith(String.valueOf(NANP_CC))){ + if (isNANP(number2)) { + numberEntry.IDD = idd; + return NP_NANP_LOCALIDD_CC_AREA_LOCAL; + } + } + } + } + } + + return NP_NONE; + } + + private static boolean isNANP(String number) { + if (number.length() == NANP_MEDIUM_LENGTH + || (number.length() == NANP_LONG_LENGTH && number.startsWith(NANP_NDD))) { + if (number.length() == NANP_LONG_LENGTH) { + number = number.substring(1); + } + return (PhoneNumberUtils.isNanp(number)); + } + return false; + } + + /** + * Verify if the the destination number is an internal number + * + * @param numberEntry including number and IDD array + * @param allIDDs the IDD array list of the current network's country code + * + * @return the number plan type related international number + */ + private static int checkInternationalNumberPlan(Context context, NumberEntry numberEntry, + ArrayList<String> allIDDs,String homeIDD) { + String number = numberEntry.number; + int countryCode = -1; + + if (number.startsWith(PLUS_SIGN)) { + // +xxxxxxxxxx + String numberNoNBPCD = number.substring(1); + if (numberNoNBPCD.startsWith(homeIDD)) { + // +011xxxxxxxx + String numberCountryAreaLocal = numberNoNBPCD.substring(homeIDD.length()); + if ((countryCode = getCountryCode(context, numberCountryAreaLocal)) > 0) { + numberEntry.countryCode = countryCode; + return NP_NBPCD_HOMEIDD_CC_AREA_LOCAL; + } + } else if ((countryCode = getCountryCode(context, numberNoNBPCD)) > 0) { + numberEntry.countryCode = countryCode; + return NP_NBPCD_CC_AREA_LOCAL; + } + + } else if (number.startsWith(homeIDD)) { + // 011xxxxxxxxx + String numberCountryAreaLocal = number.substring(homeIDD.length()); + if ((countryCode = getCountryCode(context, numberCountryAreaLocal)) > 0) { + numberEntry.countryCode = countryCode; + return NP_HOMEIDD_CC_AREA_LOCAL; + } + } else { + for (String exitCode : allIDDs) { + if (number.startsWith(exitCode)) { + String numberNoIDD = number.substring(exitCode.length()); + if ((countryCode = getCountryCode(context, numberNoIDD)) > 0) { + numberEntry.countryCode = countryCode; + numberEntry.IDD = exitCode; + return NP_LOCALIDD_CC_AREA_LOCAL; + } + } + } + + if (!number.startsWith("0") && (countryCode = getCountryCode(context, number)) > 0) { + numberEntry.countryCode = countryCode; + return NP_CC_AREA_LOCAL; + } + } + return NP_NONE; + } + + /** + * Returns the country code from the given number. + */ + private static int getCountryCode(Context context, String number) { + int countryCode = -1; + if (number.length() >= MIN_COUNTRY_AREA_LOCAL_LENGTH) { + // Check Country code + int[] allCCs = getAllCountryCodes(context); + if (allCCs == null) { + return countryCode; + } + + int[] ccArray = new int[MAX_COUNTRY_CODES_LENGTH]; + for (int i = 0; i < MAX_COUNTRY_CODES_LENGTH; i ++) { + ccArray[i] = Integer.parseInt(number.substring(0, i+1)); + } + + for (int i = 0; i < allCCs.length; i ++) { + int tempCC = allCCs[i]; + for (int j = 0; j < MAX_COUNTRY_CODES_LENGTH; j ++) { + if (tempCC == ccArray[j]) { + if (DBG) Rlog.d(TAG, "Country code = " + tempCC); + return tempCC; + } + } + } + } + + return countryCode; + } + + /** + * Gets all country Codes information with given MCC. + */ + private static int[] getAllCountryCodes(Context context) { + if (ALL_COUNTRY_CODES != null) { + return ALL_COUNTRY_CODES; + } + + Cursor cursor = null; + try { + String projection[] = {MccLookup.COUNTRY_CODE}; + cursor = context.getContentResolver().query(MccLookup.CONTENT_URI, + projection, null, null, null); + + if (cursor.getCount() > 0) { + ALL_COUNTRY_CODES = new int[cursor.getCount()]; + int i = 0; + while (cursor.moveToNext()) { + int countryCode = cursor.getInt(0); + ALL_COUNTRY_CODES[i++] = countryCode; + int length = String.valueOf(countryCode).trim().length(); + if (length > MAX_COUNTRY_CODES_LENGTH) { + MAX_COUNTRY_CODES_LENGTH = length; + } + } + } + } catch (SQLException e) { + Rlog.e(TAG, "Can't access HbpcdLookup database", e); + } finally { + if (cursor != null) { + cursor.close(); + } + } + return ALL_COUNTRY_CODES; + } + + private static boolean inExceptionListForNpCcAreaLocal(NumberEntry numberEntry) { + int countryCode = numberEntry.countryCode; + boolean result = (numberEntry.number.length() == 12 + && (countryCode == 7 || countryCode == 20 + || countryCode == 65 || countryCode == 90)); + return result; + } + + private static String getNumberPlanType(int state) { + String numberPlanType = "Number Plan type (" + state + "): "; + + if (state == NP_NANP_LOCAL) { + numberPlanType = "NP_NANP_LOCAL"; + } else if (state == NP_NANP_AREA_LOCAL) { + numberPlanType = "NP_NANP_AREA_LOCAL"; + } else if (state == NP_NANP_NDD_AREA_LOCAL) { + numberPlanType = "NP_NANP_NDD_AREA_LOCAL"; + } else if (state == NP_NANP_NBPCD_CC_AREA_LOCAL) { + numberPlanType = "NP_NANP_NBPCD_CC_AREA_LOCAL"; + } else if (state == NP_NANP_LOCALIDD_CC_AREA_LOCAL) { + numberPlanType = "NP_NANP_LOCALIDD_CC_AREA_LOCAL"; + } else if (state == NP_NANP_NBPCD_HOMEIDD_CC_AREA_LOCAL) { + numberPlanType = "NP_NANP_NBPCD_HOMEIDD_CC_AREA_LOCAL"; + } else if (state == NP_NBPCD_HOMEIDD_CC_AREA_LOCAL) { + numberPlanType = "NP_NBPCD_HOMEIDD_CC_AREA_LOCAL"; + } else if (state == NP_HOMEIDD_CC_AREA_LOCAL) { + numberPlanType = "NP_HOMEIDD_CC_AREA_LOCAL"; + } else if (state == NP_NBPCD_CC_AREA_LOCAL) { + numberPlanType = "NP_NBPCD_CC_AREA_LOCAL"; + } else if (state == NP_LOCALIDD_CC_AREA_LOCAL) { + numberPlanType = "NP_LOCALIDD_CC_AREA_LOCAL"; + } else if (state == NP_CC_AREA_LOCAL) { + numberPlanType = "NP_CC_AREA_LOCAL"; + } else { + numberPlanType = "Unknown type"; + } + return numberPlanType; + } + + /** + * Filter the destination number if using VZW sim card. + */ + public static String filterDestAddr(Context context, int subId, String destAddr) { + if (DBG) Rlog.d(TAG, "enter filterDestAddr. destAddr=\"" + Rlog.pii(TAG, destAddr) + "\"" ); + + if (destAddr == null || !PhoneNumberUtils.isGlobalPhoneNumber(destAddr)) { + Rlog.w(TAG, "destAddr" + Rlog.pii(TAG, destAddr) + + " is not a global phone number! Nothing changed."); + return destAddr; + } + + final TelephonyManager telephonyManager = ((TelephonyManager) context + .getSystemService(Context.TELEPHONY_SERVICE)).createForSubscriptionId(subId); + final String networkOperator = telephonyManager.getNetworkOperator(); + String result = null; + + if (needToConvert(context, subId)) { + final int networkType = getNetworkType(telephonyManager); + if (networkType != -1 && !TextUtils.isEmpty(networkOperator)) { + String networkMcc = networkOperator.substring(0, 3); + if (networkMcc != null && networkMcc.trim().length() > 0) { + result = formatNumber(context, destAddr, networkMcc, networkType); + } + } + } + + if (DBG) { + Rlog.d(TAG, "destAddr is " + ((result != null)?"formatted.":"not formatted.")); + Rlog.d(TAG, "leave filterDestAddr, new destAddr=\"" + (result != null ? Rlog.pii(TAG, + result) : Rlog.pii(TAG, destAddr)) + "\""); + } + return result != null ? result : destAddr; + } + + /** + * Returns the current network type + */ + private static int getNetworkType(TelephonyManager telephonyManager) { + int networkType = -1; + int phoneType = telephonyManager.getPhoneType(); + + if (phoneType == PhoneConstants.PHONE_TYPE_GSM) { + networkType = GSM_UMTS_NETWORK; + } else if (phoneType == PhoneConstants.PHONE_TYPE_CDMA) { + if (isInternationalRoaming(telephonyManager)) { + networkType = CDMA_ROAMING_NETWORK; + } else { + networkType = CDMA_HOME_NETWORK; + } + } else { + if (DBG) Rlog.w(TAG, "warning! unknown mPhoneType value=" + phoneType); + } + + return networkType; + } + + private static boolean isInternationalRoaming(TelephonyManager telephonyManager) { + String operatorIsoCountry = telephonyManager.getNetworkCountryIso(); + String simIsoCountry = telephonyManager.getSimCountryIso(); + boolean internationalRoaming = !TextUtils.isEmpty(operatorIsoCountry) + && !TextUtils.isEmpty(simIsoCountry) + && !simIsoCountry.equals(operatorIsoCountry); + if (internationalRoaming) { + if ("us".equals(simIsoCountry)) { + internationalRoaming = !"vi".equals(operatorIsoCountry); + } else if ("vi".equals(simIsoCountry)) { + internationalRoaming = !"us".equals(operatorIsoCountry); + } + } + return internationalRoaming; + } + + private static boolean needToConvert(Context context, int subId) { + // Calling package may not have READ_PHONE_STATE which is required for getConfig(). + // Clear the calling identity so that it is called as self. + final long identity = Binder.clearCallingIdentity(); + try { + CarrierConfigManager configManager = (CarrierConfigManager) + context.getSystemService(Context.CARRIER_CONFIG_SERVICE); + if (configManager != null) { + PersistableBundle bundle = configManager.getConfigForSubId(subId); + if (bundle != null) { + return bundle.getBoolean(CarrierConfigManager + .KEY_SMS_REQUIRES_DESTINATION_NUMBER_CONVERSION_BOOL); + } + } + } finally { + Binder.restoreCallingIdentity(identity); + } + // by default this value is false + return false; + } +} |