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.util.Log; 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 = "CDMA_MMI"; 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 phone; 56 Context context; 57 58 String action; // ACTION_REGISTER 59 String sc; // Service Code 60 String sia, sib, sic; // Service Info a,b,c 61 String poundString; // Entire MMI string up to and including # 62 String dialingNumber; 63 String pwd; // For password registration 64 65 State state = State.PENDING; 66 CharSequence message; 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.poundString = makeEmptyNull(m.group(MATCH_GROUP_POUND_STRING)); 111 ret.action = makeEmptyNull(m.group(MATCH_GROUP_ACTION)); 112 ret.sc = makeEmptyNull(m.group(MATCH_GROUP_SERVICE_CODE)); 113 ret.sia = makeEmptyNull(m.group(MATCH_GROUP_SIA)); 114 ret.sib = makeEmptyNull(m.group(MATCH_GROUP_SIB)); 115 ret.sic = makeEmptyNull(m.group(MATCH_GROUP_SIC)); 116 ret.pwd = makeEmptyNull(m.group(MATCH_GROUP_PWD_CONFIRM)); 117 ret.dialingNumber = 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 this.phone = phone; 141 this.context = phone.getContext(); 142 } 143 144 // MmiCode implementation 145 146 public State 147 getState() { 148 return state; 149 } 150 151 public CharSequence 152 getMessage() { 153 return message; 154 } 155 156 // inherited javadoc suffices 157 public void 158 cancel() { 159 // Complete or failed cannot be cancelled 160 if (state == State.COMPLETE || state == State.FAILED) { 161 return; 162 } 163 164 state = State.CANCELLED; 165 phone.onMMIDone (this); 166 } 167 168 public boolean isCancelable() { 169 return false; 170 } 171 172 // Instance Methods 173 174 /** 175 * @return true if the Service Code is PIN/PIN2/PUK/PUK2-related 176 */ 177 boolean isPukCommand() { 178 return sc != null && sc.equals(SC_PUK); 179 } 180 181 boolean isRegister() { 182 return action != null && action.equals(ACTION_REGISTER); 183 } 184 185 public boolean isUssdRequest() { 186 Log.w(LOG_TAG, "isUssdRequest is not implemented in CdmaMmiCode"); 187 return false; 188 } 189 190 /** Process a MMI PUK code */ 191 void 192 processCode () { 193 try { 194 if (isPukCommand()) { 195 // sia = old PUK 196 // sib = new PIN 197 // sic = new PIN 198 String oldPinOrPuk = sia; 199 String newPin = sib; 200 int pinLen = newPin.length(); 201 if (isRegister()) { 202 if (!newPin.equals(sic)) { 203 // password mismatch; return error 204 handlePasswordError(com.android.internal.R.string.mismatchPin); 205 } else if (pinLen < 4 || pinLen > 8 ) { 206 // invalid length 207 handlePasswordError(com.android.internal.R.string.invalidPin); 208 } else { 209 phone.mCM.supplyIccPuk(oldPinOrPuk, newPin, 210 obtainMessage(EVENT_SET_COMPLETE, this)); 211 } 212 } else { 213 throw new RuntimeException ("Invalid or Unsupported MMI Code"); 214 } 215 } else { 216 throw new RuntimeException ("Invalid or Unsupported MMI Code"); 217 } 218 } catch (RuntimeException exc) { 219 state = State.FAILED; 220 message = context.getText(com.android.internal.R.string.mmiError); 221 phone.onMMIDone(this); 222 } 223 } 224 225 private void handlePasswordError(int res) { 226 state = State.FAILED; 227 StringBuilder sb = new StringBuilder(getScString()); 228 sb.append("\n"); 229 sb.append(context.getText(res)); 230 message = sb; 231 phone.onMMIDone(this); 232 } 233 234 public void 235 handleMessage (Message msg) { 236 AsyncResult ar; 237 238 if (msg.what == EVENT_SET_COMPLETE) { 239 ar = (AsyncResult) (msg.obj); 240 onSetComplete(ar); 241 } else { 242 Log.e(LOG_TAG, "Unexpected reply"); 243 } 244 } 245 // Private instance methods 246 247 private CharSequence getScString() { 248 if (sc != null) { 249 if (isPukCommand()) { 250 return context.getText(com.android.internal.R.string.PinMmi); 251 } 252 } 253 254 return ""; 255 } 256 257 private void 258 onSetComplete(AsyncResult ar){ 259 StringBuilder sb = new StringBuilder(getScString()); 260 sb.append("\n"); 261 262 if (ar.exception != null) { 263 state = State.FAILED; 264 if (ar.exception instanceof CommandException) { 265 CommandException.Error err = ((CommandException)(ar.exception)).getCommandError(); 266 if (err == CommandException.Error.PASSWORD_INCORRECT) { 267 if (isPukCommand()) { 268 sb.append(context.getText( 269 com.android.internal.R.string.badPuk)); 270 } else { 271 sb.append(context.getText( 272 com.android.internal.R.string.passwordIncorrect)); 273 } 274 } else { 275 sb.append(context.getText( 276 com.android.internal.R.string.mmiError)); 277 } 278 } else { 279 sb.append(context.getText( 280 com.android.internal.R.string.mmiError)); 281 } 282 } else if (isRegister()) { 283 state = State.COMPLETE; 284 sb.append(context.getText( 285 com.android.internal.R.string.serviceRegistered)); 286 } else { 287 state = State.FAILED; 288 sb.append(context.getText( 289 com.android.internal.R.string.mmiError)); 290 } 291 292 message = sb; 293 phone.onMMIDone(this); 294 } 295 296 } 297
