1package eu.siacs.conversations.http;
2
3import android.app.PendingIntent;
4import android.util.Log;
5
6import java.io.IOException;
7import java.io.InputStream;
8import java.io.OutputStream;
9import java.net.HttpURLConnection;
10import java.net.MalformedURLException;
11import java.net.URL;
12
13import javax.net.ssl.HttpsURLConnection;
14
15import eu.siacs.conversations.Config;
16import eu.siacs.conversations.entities.Account;
17import eu.siacs.conversations.entities.Transferable;
18import eu.siacs.conversations.entities.DownloadableFile;
19import eu.siacs.conversations.entities.Message;
20import eu.siacs.conversations.persistance.FileBackend;
21import eu.siacs.conversations.services.XmppConnectionService;
22import eu.siacs.conversations.ui.UiCallback;
23import eu.siacs.conversations.utils.CryptoHelper;
24import eu.siacs.conversations.utils.Xmlns;
25import eu.siacs.conversations.xml.Element;
26import eu.siacs.conversations.xmpp.OnIqPacketReceived;
27import eu.siacs.conversations.xmpp.jid.Jid;
28import eu.siacs.conversations.xmpp.stanzas.IqPacket;
29
30public class HttpUploadConnection implements Transferable {
31
32 private HttpConnectionManager mHttpConnectionManager;
33 private XmppConnectionService mXmppConnectionService;
34
35 private boolean canceled = false;
36 private Account account;
37 private DownloadableFile file;
38 private Message message;
39 private URL mGetUrl;
40 private URL mPutUrl;
41
42 private byte[] key = null;
43
44 private long transmitted = 0;
45 private long expected = 1;
46
47 public HttpUploadConnection(HttpConnectionManager httpConnectionManager) {
48 this.mHttpConnectionManager = httpConnectionManager;
49 this.mXmppConnectionService = httpConnectionManager.getXmppConnectionService();
50 }
51
52 @Override
53 public boolean start() {
54 return false;
55 }
56
57 @Override
58 public int getStatus() {
59 return STATUS_UPLOADING;
60 }
61
62 @Override
63 public long getFileSize() {
64 return this.file.getExpectedSize();
65 }
66
67 @Override
68 public int getProgress() {
69 return (int) ((((double) transmitted) / expected) * 100);
70 }
71
72 @Override
73 public void cancel() {
74 this.canceled = true;
75 }
76
77 private void fail() {
78 mHttpConnectionManager.finishUploadConnection(this);
79 message.setTransferable(null);
80 mXmppConnectionService.markMessage(message,Message.STATUS_SEND_FAILED);
81 }
82
83 public void init(Message message) {
84 this.message = message;
85 message.setTransferable(this);
86 mXmppConnectionService.markMessage(message,Message.STATUS_UNSEND);
87 this.account = message.getConversation().getAccount();
88 this.file = mXmppConnectionService.getFileBackend().getFile(message, false);
89 this.file.setExpectedSize(this.file.getSize());
90
91 if (Config.ENCRYPT_ON_HTTP_UPLOADED) {
92 this.key = new byte[48];
93 mXmppConnectionService.getRNG().nextBytes(this.key);
94 this.file.setKey(this.key);
95 }
96
97 Jid host = account.getXmppConnection().findDiscoItemByFeature(Xmlns.HTTP_UPLOAD);
98 IqPacket request = mXmppConnectionService.getIqGenerator().requestHttpUploadSlot(host,file);
99 mXmppConnectionService.sendIqPacket(account, request, new OnIqPacketReceived() {
100 @Override
101 public void onIqPacketReceived(Account account, IqPacket packet) {
102 if (packet.getType() == IqPacket.TYPE.RESULT) {
103 Element slot = packet.findChild("slot",Xmlns.HTTP_UPLOAD);
104 if (slot != null) {
105 try {
106 mGetUrl = new URL(slot.findChildContent("get"));
107 mPutUrl = new URL(slot.findChildContent("put"));
108 if (!canceled) {
109 new Thread(new FileUploader()).start();
110 }
111 } catch (MalformedURLException e) {
112 fail();
113 }
114 } else {
115 fail();
116 }
117 } else {
118 fail();
119 }
120 }
121 });
122 }
123
124 private class FileUploader implements Runnable {
125
126 @Override
127 public void run() {
128 this.upload();
129 }
130
131 private void upload() {
132 OutputStream os = null;
133 InputStream is = null;
134 HttpURLConnection connection = null;
135 try {
136 Log.d(Config.LOGTAG, "uploading to " + mPutUrl.toString());
137 connection = (HttpURLConnection) mPutUrl.openConnection();
138 if (connection instanceof HttpsURLConnection) {
139 mHttpConnectionManager.setupTrustManager((HttpsURLConnection) connection, true);
140 }
141 connection.setRequestMethod("PUT");
142 connection.setFixedLengthStreamingMode((int) file.getExpectedSize());
143 connection.setDoOutput(true);
144 connection.connect();
145 os = connection.getOutputStream();
146 is = file.createInputStream();
147 transmitted = 0;
148 expected = file.getExpectedSize();
149 int count = -1;
150 byte[] buffer = new byte[4096];
151 while (((count = is.read(buffer)) != -1) && !canceled) {
152 transmitted += count;
153 os.write(buffer, 0, count);
154 mXmppConnectionService.updateConversationUi();
155 }
156 os.flush();
157 os.close();
158 is.close();
159 int code = connection.getResponseCode();
160 if (code == 200) {
161 Log.d(Config.LOGTAG, "finished uploading file");
162 Message.FileParams params = message.getFileParams();
163 if (key != null) {
164 mGetUrl = new URL(mGetUrl.toString() + "#" + CryptoHelper.bytesToHex(key));
165 }
166 mXmppConnectionService.getFileBackend().updateFileParams(message, mGetUrl);
167 message.setTransferable(null);
168 message.setCounterpart(message.getConversation().getJid().toBareJid());
169 if (message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
170 mXmppConnectionService.getPgpEngine().encrypt(message, new UiCallback<Message>() {
171 @Override
172 public void success(Message message) {
173 mXmppConnectionService.resendMessage(message);
174 }
175
176 @Override
177 public void error(int errorCode, Message object) {
178 fail();
179 }
180
181 @Override
182 public void userInputRequried(PendingIntent pi, Message object) {
183 fail();
184 }
185 });
186 } else {
187 mXmppConnectionService.resendMessage(message);
188 }
189 } else {
190 fail();
191 }
192 } catch (IOException e) {
193 Log.d(Config.LOGTAG, e.getMessage());
194 fail();
195 } finally {
196 FileBackend.close(is);
197 FileBackend.close(os);
198 if (connection != null) {
199 connection.disconnect();
200 }
201 }
202 }
203 }
204}