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      1 /*
      2  * Copyright (C) 2007-2008 Esmertec AG.
      3  * Copyright (C) 2007-2008 The Android Open Source Project
      4  *
      5  * Licensed under the Apache License, Version 2.0 (the "License");
      6  * you may not use this file except in compliance with the License.
      7  * You may obtain a copy of the License at
      8  *
      9  *      http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  * Unless required by applicable law or agreed to in writing, software
     12  * distributed under the License is distributed on an "AS IS" BASIS,
     13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  * See the License for the specific language governing permissions and
     15  * limitations under the License.
     16  */
     17 
     18 package com.android.mms.transaction;
     19 
     20 import com.android.mms.util.RateController;
     21 import com.android.mms.util.SendingProgressTokenManager;
     22 import com.android.mms.LogTag;
     23 import com.android.mms.ui.MessageUtils;
     24 import com.google.android.mms.MmsException;
     25 import com.google.android.mms.pdu.PduComposer;
     26 import com.google.android.mms.pdu.PduHeaders;
     27 import com.google.android.mms.pdu.PduParser;
     28 import com.google.android.mms.pdu.PduPersister;
     29 import com.google.android.mms.pdu.SendConf;
     30 import com.google.android.mms.pdu.SendReq;
     31 import com.google.android.mms.pdu.EncodedStringValue;
     32 import android.database.sqlite.SqliteWrapper;
     33 
     34 import android.content.ContentUris;
     35 import android.content.ContentValues;
     36 import android.content.Context;
     37 import android.net.Uri;
     38 import android.provider.Telephony.Mms;
     39 import android.provider.Telephony.Mms.Sent;
     40 import android.text.TextUtils;
     41 import android.util.Log;
     42 
     43 import java.io.IOException;
     44 import java.util.Arrays;
     45 
     46 /**
     47  * The SendTransaction is responsible for sending multimedia messages
     48  * (M-Send.req) to the MMSC server.  It:
     49  *
     50  * <ul>
     51  * <li>Loads the multimedia message from storage (Outbox).
     52  * <li>Packs M-Send.req and sends it.
     53  * <li>Retrieves confirmation data from the server  (M-Send.conf).
     54  * <li>Parses confirmation message and handles it.
     55  * <li>Moves sent multimedia message from Outbox to Sent.
     56  * <li>Notifies the TransactionService about successful completion.
     57  * </ul>
     58  */
     59 public class SendTransaction extends Transaction implements Runnable {
     60     private static final String TAG = "SendTransaction";
     61 
     62     private Thread mThread;
     63     private final Uri mSendReqURI;
     64 
     65     public SendTransaction(Context context,
     66             int transId, TransactionSettings connectionSettings, String uri) {
     67         super(context, transId, connectionSettings);
     68         mSendReqURI = Uri.parse(uri);
     69         mId = uri;
     70 
     71         // Attach the transaction to the instance of RetryScheduler.
     72         attach(RetryScheduler.getInstance(context));
     73     }
     74 
     75     /*
     76      * (non-Javadoc)
     77      * @see com.android.mms.Transaction#process()
     78      */
     79     @Override
     80     public void process() {
     81         mThread = new Thread(this);
     82         mThread.start();
     83     }
     84 
     85     public void run() {
     86         try {
     87             RateController rateCtlr = RateController.getInstance();
     88             if (rateCtlr.isLimitSurpassed() && !rateCtlr.isAllowedByUser()) {
     89                 Log.e(TAG, "Sending rate limit surpassed.");
     90                 return;
     91             }
     92 
     93             // Load M-Send.req from outbox
     94             PduPersister persister = PduPersister.getPduPersister(mContext);
     95             SendReq sendReq = (SendReq) persister.load(mSendReqURI);
     96 
     97             // Update the 'date' field of the PDU right before sending it.
     98             long date = System.currentTimeMillis() / 1000L;
     99             sendReq.setDate(date);
    100 
    101             // Persist the new date value into database.
    102             ContentValues values = new ContentValues(1);
    103             values.put(Mms.DATE, date);
    104             SqliteWrapper.update(mContext, mContext.getContentResolver(),
    105                                  mSendReqURI, values, null, null);
    106 
    107             // fix bug 2100169: insert the 'from' address per spec
    108             String lineNumber = MessageUtils.getLocalNumber();
    109             if (!TextUtils.isEmpty(lineNumber)) {
    110                 sendReq.setFrom(new EncodedStringValue(lineNumber));
    111             }
    112 
    113             // Pack M-Send.req, send it, retrieve confirmation data, and parse it
    114             long tokenKey = ContentUris.parseId(mSendReqURI);
    115             byte[] response = sendPdu(SendingProgressTokenManager.get(tokenKey),
    116                                       new PduComposer(mContext, sendReq).make());
    117             SendingProgressTokenManager.remove(tokenKey);
    118 
    119             if (Log.isLoggable(LogTag.TRANSACTION, Log.VERBOSE)) {
    120                 String respStr = new String(response);
    121                 Log.d(TAG, "[SendTransaction] run: send mms msg (" + mId + "), resp=" + respStr);
    122             }
    123 
    124             SendConf conf = (SendConf) new PduParser(response).parse();
    125             if (conf == null) {
    126                 Log.e(TAG, "No M-Send.conf received.");
    127             }
    128 
    129             // Check whether the responding Transaction-ID is consistent
    130             // with the sent one.
    131             byte[] reqId = sendReq.getTransactionId();
    132             byte[] confId = conf.getTransactionId();
    133             if (!Arrays.equals(reqId, confId)) {
    134                 Log.e(TAG, "Inconsistent Transaction-ID: req="
    135                         + new String(reqId) + ", conf=" + new String(confId));
    136                 return;
    137             }
    138 
    139             // From now on, we won't save the whole M-Send.conf into
    140             // our database. Instead, we just save some interesting fields
    141             // into the related M-Send.req.
    142             values = new ContentValues(2);
    143             int respStatus = conf.getResponseStatus();
    144             values.put(Mms.RESPONSE_STATUS, respStatus);
    145 
    146             if (respStatus != PduHeaders.RESPONSE_STATUS_OK) {
    147                 SqliteWrapper.update(mContext, mContext.getContentResolver(),
    148                                      mSendReqURI, values, null, null);
    149                 Log.e(TAG, "Server returned an error code: " + respStatus);
    150                 return;
    151             }
    152 
    153             String messageId = PduPersister.toIsoString(conf.getMessageId());
    154             values.put(Mms.MESSAGE_ID, messageId);
    155             SqliteWrapper.update(mContext, mContext.getContentResolver(),
    156                                  mSendReqURI, values, null, null);
    157 
    158             // Move M-Send.req from Outbox into Sent.
    159             Uri uri = persister.move(mSendReqURI, Sent.CONTENT_URI);
    160 
    161             mTransactionState.setState(TransactionState.SUCCESS);
    162             mTransactionState.setContentUri(uri);
    163         } catch (Throwable t) {
    164             Log.e(TAG, Log.getStackTraceString(t));
    165         } finally {
    166             if (mTransactionState.getState() != TransactionState.SUCCESS) {
    167                 mTransactionState.setState(TransactionState.FAILED);
    168                 mTransactionState.setContentUri(mSendReqURI);
    169                 Log.e(TAG, "Delivery failed.");
    170             }
    171             notifyObservers();
    172         }
    173     }
    174 
    175     @Override
    176     public int getType() {
    177         return SEND_TRANSACTION;
    178     }
    179 }
    180