/**
* Dispatches inbound messages that are in the WAP PDU format. See wap-230-wsp-20010705-a section
* 8 for details on the WAP PDU format.
*
* @param pdu The WAP PDU, made up of one or more SMS PDUs
* @return a result code from {@link Telephony.Sms.Intents}, or {@link Activity#RESULT_OK} if the
* message has been broadcast to applications
*/
public int dispatchWapPdu(byte[] pdu) {
if (false) Log.d(LOG_TAG, "Rx: " + IccUtils.bytesToHexString(pdu));
int index = 0;
int transactionId = pdu[index++] & 0xFF;
int pduType = pdu[index++] & 0xFF;
int headerLength = 0;
if ((pduType != WspTypeDecoder.PDU_TYPE_PUSH)
&& (pduType != WspTypeDecoder.PDU_TYPE_CONFIRMED_PUSH)) {
if (false) Log.w(LOG_TAG, "Received non-PUSH WAP PDU. Type = " + pduType);
return Intents.RESULT_SMS_HANDLED;
}
pduDecoder = new WspTypeDecoder(pdu);
/**
* Parse HeaderLen(unsigned integer). From wap-230-wsp-20010705-a section 8.1.2 The maximum size
* of a uintvar is 32 bits. So it will be encoded in no more than 5 octets.
*/
if (pduDecoder.decodeUintvarInteger(index) == false) {
if (false) Log.w(LOG_TAG, "Received PDU. Header Length error.");
return Intents.RESULT_SMS_GENERIC_ERROR;
}
headerLength = (int) pduDecoder.getValue32();
index += pduDecoder.getDecodedDataLength();
int headerStartIndex = index;
/**
* Parse Content-Type. From wap-230-wsp-20010705-a section 8.4.2.24
*
* <p>Content-type-value = Constrained-media | Content-general-form Content-general-form =
* Value-length Media-type Media-type = (Well-known-media | Extension-Media) *(Parameter)
* Value-length = Short-length | (Length-quote Length) Short-length = <Any octet 0-30> (octet <=
* WAP_PDU_SHORT_LENGTH_MAX) Length-quote = <Octet 31> (WAP_PDU_LENGTH_QUOTE) Length =
* Uintvar-integer
*/
if (pduDecoder.decodeContentType(index) == false) {
if (false) Log.w(LOG_TAG, "Received PDU. Header Content-Type error.");
return Intents.RESULT_SMS_GENERIC_ERROR;
}
String mimeType = pduDecoder.getValueString();
long binaryContentType = pduDecoder.getValue32();
index += pduDecoder.getDecodedDataLength();
byte[] header = new byte[headerLength];
System.arraycopy(pdu, headerStartIndex, header, 0, header.length);
byte[] intentData;
if (mimeType != null && mimeType.equals(WspTypeDecoder.CONTENT_TYPE_B_PUSH_CO)) {
intentData = pdu;
} else {
int dataIndex = headerStartIndex + headerLength;
intentData = new byte[pdu.length - dataIndex];
System.arraycopy(pdu, dataIndex, intentData, 0, intentData.length);
}
/**
* Seek for application ID field in WSP header. If application ID is found, WapPushManager
* substitute the message processing. Since WapPushManager is optional module, if WapPushManager
* is not found, legacy message processing will be continued.
*/
if (pduDecoder.seekXWapApplicationId(index, index + headerLength - 1)) {
index = (int) pduDecoder.getValue32();
pduDecoder.decodeXWapApplicationId(index);
String wapAppId = pduDecoder.getValueString();
if (wapAppId == null) {
wapAppId = Integer.toString((int) pduDecoder.getValue32());
}
String contentType = ((mimeType == null) ? Long.toString(binaryContentType) : mimeType);
if (false) Log.v(LOG_TAG, "appid found: " + wapAppId + ":" + contentType);
try {
boolean processFurther = true;
IWapPushManager wapPushMan = mWapConn.getWapPushManager();
if (wapPushMan == null) {
if (false) Log.w(LOG_TAG, "wap push manager not found!");
} else {
Intent intent = new Intent();
intent.putExtra("transactionId", transactionId);
intent.putExtra("pduType", pduType);
intent.putExtra("header", header);
intent.putExtra("data", intentData);
intent.putExtra("contentTypeParameters", pduDecoder.getContentParameters());
int procRet = wapPushMan.processMessage(wapAppId, contentType, intent);
if (false) Log.v(LOG_TAG, "procRet:" + procRet);
if ((procRet & WapPushManagerParams.MESSAGE_HANDLED) > 0
&& (procRet & WapPushManagerParams.FURTHER_PROCESSING) == 0) {
processFurther = false;
}
}
if (!processFurther) {
return Intents.RESULT_SMS_HANDLED;
}
} catch (RemoteException e) {
if (false) Log.w(LOG_TAG, "remote func failed...");
}
}
if (false) Log.v(LOG_TAG, "fall back to existing handler");
if (mimeType == null) {
if (false) Log.w(LOG_TAG, "Header Content-Type error.");
return Intents.RESULT_SMS_GENERIC_ERROR;
}
String permission;
if (mimeType.equals(WspTypeDecoder.CONTENT_TYPE_B_MMS)) {
permission = "android.permission.RECEIVE_MMS";
} else {
permission = "android.permission.RECEIVE_WAP_PUSH";
}
Intent intent = new Intent(Intents.WAP_PUSH_RECEIVED_ACTION);
intent.setType(mimeType);
intent.putExtra("transactionId", transactionId);
intent.putExtra("pduType", pduType);
intent.putExtra("header", header);
intent.putExtra("data", intentData);
intent.putExtra("contentTypeParameters", pduDecoder.getContentParameters());
mSmsDispatcher.dispatch(intent, permission);
return Activity.RESULT_OK;
}
public WapPushOverSms(Phone phone, SMSDispatcher smsDispatcher) {
mSmsDispatcher = smsDispatcher;
mContext = phone.getContext();
mWapConn = new WapPushConnection(mContext);
mWapConn.bindWapPushManager();
}