1 /* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.internal.telephony.cdma; 18 19 import android.content.Context; 20 21 import com.android.internal.telephony.CommandException; 22 import com.android.internal.telephony.MmiCode; 23 24 import android.os.AsyncResult; 25 import android.os.Handler; 26 import android.os.Message; 27 import android.telephony.Rlog; 28 29 import java.util.regex.Pattern; 30 import java.util.regex.Matcher; 31 32 /** 33 * This class can handle Puk code Mmi 34 * 35 * {@hide} 36 * 37 */ 38 public final class CdmaMmiCode extends Handler implements MmiCode { 39 static final String LOG_TAG = "CdmaMmiCode"; 40 41 // Constants 42 43 // From TS 22.030 6.5.2 44 static final String ACTION_REGISTER = "**"; 45 46 // Supp Service codes from TS 22.030 Annex B 47 static final String SC_PUK = "05"; 48 49 // Event Constant 50 51 static final int EVENT_SET_COMPLETE = 1; 52 53 // Instance Variables 54 55 CDMAPhone mPhone; 56 Context mContext; 57 58 String mAction; // ACTION_REGISTER 59 String mSc; // Service Code 60 String mSia, mSib, mSic; // Service Info a,b,c 61 String mPoundString; // Entire MMI string up to and including # 62 String mDialingNumber; 63 String mPwd; // For password registration 64 65 State mState = State.PENDING; 66 CharSequence mMessage; 67 68 // Class Variables 69 70 static Pattern sPatternSuppService = Pattern.compile( 71 "((\\*|#|\\*#|\\*\\*|##)(\\d{2,3})(\\*([^*#]*)(\\*([^*#]*)(\\*([^*#]*)(\\*([^*#]*))?)?)?)?#)(.*)"); 72 /* 1 2 3 4 5 6 7 8 9 10 11 12 73 74 1 = Full string up to and including # 75 2 = action 76 3 = service code 77 5 = SIA 78 7 = SIB 79 9 = SIC 80 10 = dialing number 81 */ 82 83 static final int MATCH_GROUP_POUND_STRING = 1; 84 static final int MATCH_GROUP_ACTION = 2; 85 static final int MATCH_GROUP_SERVICE_CODE = 3; 86 static final int MATCH_GROUP_SIA = 5; 87 static final int MATCH_GROUP_SIB = 7; 88 static final int MATCH_GROUP_SIC = 9; 89 static final int MATCH_GROUP_PWD_CONFIRM = 11; 90 static final int MATCH_GROUP_DIALING_NUMBER = 12; 91 92 93 // Public Class methods 94 95 /** 96 * Check if provided string contains Mmi code in it and create corresponding 97 * Mmi if it does 98 */ 99 100 public static CdmaMmiCode 101 newFromDialString(String dialString, CDMAPhone phone) { 102 Matcher m; 103 CdmaMmiCode ret = null; 104 105 m = sPatternSuppService.matcher(dialString); 106 107 // Is this formatted like a standard supplementary service code? 108 if (m.matches()) { 109 ret = new CdmaMmiCode(phone); 110 ret.mPoundString = makeEmptyNull(m.group(MATCH_GROUP_POUND_STRING)); 111 ret.mAction = makeEmptyNull(m.group(MATCH_GROUP_ACTION)); 112 ret.mSc = makeEmptyNull(m.group(MATCH_GROUP_SERVICE_CODE)); 113 ret.mSia = makeEmptyNull(m.group(MATCH_GROUP_SIA)); 114 ret.mSib = makeEmptyNull(m.group(MATCH_GROUP_SIB)); 115 ret.mSic = makeEmptyNull(m.group(MATCH_GROUP_SIC)); 116 ret.mPwd = makeEmptyNull(m.group(MATCH_GROUP_PWD_CONFIRM)); 117 ret.mDialingNumber = makeEmptyNull(m.group(MATCH_GROUP_DIALING_NUMBER)); 118 119 } 120 121 return ret; 122 } 123 124 // Private Class methods 125 126 /** make empty strings be null. 127 * Regexp returns empty strings for empty groups 128 */ 129 private static String 130 makeEmptyNull (String s) { 131 if (s != null && s.length() == 0) return null; 132 133 return s; 134 } 135 136 // Constructor 137 138 CdmaMmiCode (CDMAPhone phone) { 139 super(phone.getHandler().getLooper()); 140 mPhone = phone; 141 mContext = phone.getContext(); 142 } 143 144 // MmiCode implementation 145 146 @Override 147 public State 148 getState() { 149 return mState; 150 } 151 152 @Override 153 public CharSequence 154 getMessage() { 155 return mMessage; 156 } 157 158 // inherited javadoc suffices 159 @Override 160 public void 161 cancel() { 162 // Complete or failed cannot be cancelled 163 if (mState == State.COMPLETE || mState == State.FAILED) { 164 return; 165 } 166 167 mState = State.CANCELLED; 168 mPhone.onMMIDone (this); 169 } 170 171 @Override 172 public boolean isCancelable() { 173 return false; 174 } 175 176 // Instance Methods 177 178 /** 179 * @return true if the Service Code is PIN/PIN2/PUK/PUK2-related 180 */ 181 boolean isPukCommand() { 182 return mSc != null && mSc.equals(SC_PUK); 183 } 184 185 boolean isRegister() { 186 return mAction != null && mAction.equals(ACTION_REGISTER); 187 } 188 189 @Override 190 public boolean isUssdRequest() { 191 Rlog.w(LOG_TAG, "isUssdRequest is not implemented in CdmaMmiCode"); 192 return false; 193 } 194 195 /** Process a MMI PUK code */ 196 void 197 processCode () { 198 try { 199 if (isPukCommand()) { 200 // sia = old PUK 201 // sib = new PIN 202 // sic = new PIN 203 String oldPinOrPuk = mSia; 204 String newPin = mSib; 205 int pinLen = newPin.length(); 206 if (isRegister()) { 207 if (!newPin.equals(mSic)) { 208 // password mismatch; return error 209 handlePasswordError(com.android.internal.R.string.mismatchPin); 210 } else if (pinLen < 4 || pinLen > 8 ) { 211 // invalid length 212 handlePasswordError(com.android.internal.R.string.invalidPin); 213 } else { 214 mPhone.mCi.supplyIccPuk(oldPinOrPuk, newPin, 215 obtainMessage(EVENT_SET_COMPLETE, this)); 216 } 217 } else { 218 throw new RuntimeException ("Invalid or Unsupported MMI Code"); 219 } 220 } else { 221 throw new RuntimeException ("Invalid or Unsupported MMI Code"); 222 } 223 } catch (RuntimeException exc) { 224 mState = State.FAILED; 225 mMessage = mContext.getText(com.android.internal.R.string.mmiError); 226 mPhone.onMMIDone(this); 227 } 228 } 229 230 private void handlePasswordError(int res) { 231 mState = State.FAILED; 232 StringBuilder sb = new StringBuilder(getScString()); 233 sb.append("\n"); 234 sb.append(mContext.getText(res)); 235 mMessage = sb; 236 mPhone.onMMIDone(this); 237 } 238 239 @Override 240 public void 241 handleMessage (Message msg) { 242 AsyncResult ar; 243 244 if (msg.what == EVENT_SET_COMPLETE) { 245 ar = (AsyncResult) (msg.obj); 246 onSetComplete(ar); 247 } else { 248 Rlog.e(LOG_TAG, "Unexpected reply"); 249 } 250 } 251 // Private instance methods 252 253 private CharSequence getScString() { 254 if (mSc != null) { 255 if (isPukCommand()) { 256 return mContext.getText(com.android.internal.R.string.PinMmi); 257 } 258 } 259 260 return ""; 261 } 262 263 private void 264 onSetComplete(AsyncResult ar){ 265 StringBuilder sb = new StringBuilder(getScString()); 266 sb.append("\n"); 267 268 if (ar.exception != null) { 269 mState = State.FAILED; 270 if (ar.exception instanceof CommandException) { 271 CommandException.Error err = ((CommandException)(ar.exception)).getCommandError(); 272 if (err == CommandException.Error.PASSWORD_INCORRECT) { 273 if (isPukCommand()) { 274 sb.append(mContext.getText( 275 com.android.internal.R.string.badPuk)); 276 } else { 277 sb.append(mContext.getText( 278 com.android.internal.R.string.passwordIncorrect)); 279 } 280 } else { 281 sb.append(mContext.getText( 282 com.android.internal.R.string.mmiError)); 283 } 284 } else { 285 sb.append(mContext.getText( 286 com.android.internal.R.string.mmiError)); 287 } 288 } else if (isRegister()) { 289 mState = State.COMPLETE; 290 sb.append(mContext.getText( 291 com.android.internal.R.string.serviceRegistered)); 292 } else { 293 mState = State.FAILED; 294 sb.append(mContext.getText( 295 com.android.internal.R.string.mmiError)); 296 } 297 298 mMessage = sb; 299 mPhone.onMMIDone(this); 300 } 301 302 } 303
