DownloadRequest.java revision 8c027a60c84d23672647a3775190ee3fa7655b34 
1/*
2 * Copyright (C) 2014 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
17package com.android.mms.service;
18
19import com.google.android.mms.MmsException;
20import com.google.android.mms.pdu.GenericPdu;
21import com.google.android.mms.pdu.PduHeaders;
22import com.google.android.mms.pdu.PduParser;
23import com.google.android.mms.pdu.PduPersister;
24import com.google.android.mms.pdu.RetrieveConf;
25import com.google.android.mms.util.SqliteWrapper;
26
27import com.android.mms.service.exception.MmsHttpException;
28
29import android.app.Activity;
30import android.app.AppOpsManager;
31import android.app.PendingIntent;
32import android.content.ContentValues;
33import android.content.Context;
34import android.content.Intent;
35import android.database.sqlite.SQLiteException;
36import android.os.Binder;
37import android.os.UserHandle;
38import android.provider.Telephony;
39import android.text.TextUtils;
40import android.util.Log;
41
42/**
43 * Request to download an MMS
44 */
45public class DownloadRequest extends MmsRequest {
46    private static final String LOCATION_SELECTION =
47            Telephony.Mms.MESSAGE_TYPE + "=? AND " + Telephony.Mms.CONTENT_LOCATION + " =?";
48
49    private final String mLocationUrl;
50    private final PendingIntent mDownloadedIntent;
51
52    public DownloadRequest(RequestManager manager, long subId, String locationUrl,
53            PendingIntent downloadedIntent, String creator) {
54        super(manager, null/*messageUri*/, subId, creator);
55        mLocationUrl = locationUrl;
56        mDownloadedIntent = downloadedIntent;
57    }
58
59    @Override
60    protected byte[] doHttp(Context context, ApnSettings apn) throws MmsHttpException {
61        return HttpUtils.httpConnection(
62                context,
63                mLocationUrl,
64                null/*pdu*/,
65                HttpUtils.HTTP_GET_METHOD,
66                apn.isProxySet(),
67                apn.getProxyAddress(),
68                apn.getProxyPort());
69    }
70
71    @Override
72    protected PendingIntent getPendingIntent() {
73        return mDownloadedIntent;
74    }
75
76    @Override
77    protected int getRunningQueue() {
78        return MmsService.QUEUE_INDEX_DOWNLOAD;
79    }
80
81    @Override
82    protected void updateStatus(Context context, int result, byte[] response) {
83        if (mRequestManager.getAutoPersistingPref()) {
84            storeInboxMessage(context, result, response);
85        }
86    }
87
88    private void storeInboxMessage(Context context, int result, byte[] response) {
89        if (response == null || response.length < 1) {
90            return;
91        }
92        final long identity = Binder.clearCallingIdentity();
93        try {
94            final GenericPdu pdu = (new PduParser(response)).parse();
95            if (pdu == null || !(pdu instanceof RetrieveConf)) {
96                Log.e(MmsService.TAG, "DownloadRequest.updateStatus: invalid parsed PDU");
97                return;
98            }
99            // Store the downloaded message
100            final PduPersister persister = PduPersister.getPduPersister(context);
101            mMessageUri = persister.persist(
102                    pdu,
103                    Telephony.Mms.Inbox.CONTENT_URI,
104                    true/*createThreadId*/,
105                    true/*groupMmsEnabled*/,
106                    null/*preOpenedFiles*/);
107            if (mMessageUri == null) {
108                Log.e(MmsService.TAG, "DownloadRequest.updateStatus: can not persist message");
109                return;
110            }
111            // Update some of the properties of the message
112            ContentValues values = new ContentValues(4);
113            values.put(Telephony.Mms.DATE, System.currentTimeMillis() / 1000L);
114            values.put(Telephony.Mms.READ, 0);
115            values.put(Telephony.Mms.SEEN, 0);
116            if (!TextUtils.isEmpty(mCreator)) {
117                values.put(Telephony.Mms.CREATOR, mCreator);
118            }
119            if (SqliteWrapper.update(
120                    context,
121                    context.getContentResolver(),
122                    mMessageUri,
123                    values,
124                    null/*where*/,
125                    null/*selectionArg*/) != 1) {
126                Log.e(MmsService.TAG, "DownloadRequest.updateStatus: can not update message");
127            }
128            // Delete the corresponding NotificationInd
129            SqliteWrapper.delete(context,
130                    context.getContentResolver(),
131                    Telephony.Mms.CONTENT_URI,
132                    LOCATION_SELECTION,
133                    new String[]{
134                            Integer.toString(PduHeaders.MESSAGE_TYPE_NOTIFICATION_IND),
135                            mLocationUrl
136                    }
137            );
138        } catch (MmsException e) {
139            Log.e(MmsService.TAG, "DownloadRequest.updateStatus: can not persist message", e);
140        } catch (SQLiteException e) {
141            Log.e(MmsService.TAG, "DownloadRequest.updateStatus: can not update message", e);
142        } catch (RuntimeException e) {
143            Log.e(MmsService.TAG, "DownloadRequest.updateStatus: can not parse response", e);
144        } finally {
145            Binder.restoreCallingIdentity(identity);
146        }
147    }
148
149    /**
150     * Try downloading via the carrier app by sending intent.
151     *
152     * @param context The context
153     */
154    public void tryDownloadingByCarrierApp(Context context) {
155        Intent intent = new Intent(Telephony.Mms.Intents.MMS_DOWNLOAD_ACTION);
156        intent.setPackage(mRequestManager.getCarrierAppPackageName(intent));
157        intent.putExtra("url", mLocationUrl);
158        intent.addFlags(Intent.FLAG_RECEIVER_NO_ABORT);
159        context.sendOrderedBroadcastAsUser(
160                intent,
161                UserHandle.OWNER,
162                android.Manifest.permission.RECEIVE_MMS,
163                AppOpsManager.OP_RECEIVE_MMS,
164                mCarrierAppResultReceiver,
165                null/*scheduler*/,
166                Activity.RESULT_CANCELED,
167                null/*initialData*/,
168                null/*initialExtras*/);
169    }
170}
171