1package eu.siacs.conversations.http;
2
3import android.os.PowerManager;
4import android.util.Log;
5import android.util.Pair;
6
7import java.io.FileNotFoundException;
8import java.io.IOException;
9import java.io.InputStream;
10import java.io.OutputStream;
11import java.net.HttpURLConnection;
12import java.net.MalformedURLException;
13import java.net.URL;
14
15import javax.net.ssl.HttpsURLConnection;
16
17import eu.siacs.conversations.Config;
18import eu.siacs.conversations.entities.Account;
19import eu.siacs.conversations.entities.DownloadableFile;
20import eu.siacs.conversations.entities.Message;
21import eu.siacs.conversations.entities.Transferable;
22import eu.siacs.conversations.parser.IqParser;
23import eu.siacs.conversations.persistance.FileBackend;
24import eu.siacs.conversations.services.AbstractConnectionManager;
25import eu.siacs.conversations.services.XmppConnectionService;
26import eu.siacs.conversations.utils.CryptoHelper;
27import eu.siacs.conversations.xml.Namespace;
28import eu.siacs.conversations.xml.Element;
29import eu.siacs.conversations.xmpp.OnIqPacketReceived;
30import eu.siacs.conversations.xmpp.jid.Jid;
31import eu.siacs.conversations.xmpp.stanzas.IqPacket;
32
33public class HttpUploadConnection implements Transferable {
34
35 private HttpConnectionManager mHttpConnectionManager;
36 private XmppConnectionService mXmppConnectionService;
37
38 private boolean canceled = false;
39 private boolean delayed = false;
40 private Account account;
41 private DownloadableFile file;
42 private Message message;
43 private String mime;
44 private URL mGetUrl;
45 private URL mPutUrl;
46 private boolean mUseTor = false;
47
48 private byte[] key = null;
49
50 private long transmitted = 0;
51
52 private InputStream mFileInputStream;
53
54 public HttpUploadConnection(HttpConnectionManager httpConnectionManager) {
55 this.mHttpConnectionManager = httpConnectionManager;
56 this.mXmppConnectionService = httpConnectionManager.getXmppConnectionService();
57 this.mUseTor = mXmppConnectionService.useTorToConnect();
58 }
59
60 @Override
61 public boolean start() {
62 return false;
63 }
64
65 @Override
66 public int getStatus() {
67 return STATUS_UPLOADING;
68 }
69
70 @Override
71 public long getFileSize() {
72 return file == null ? 0 : file.getExpectedSize();
73 }
74
75 @Override
76 public int getProgress() {
77 if (file == null) {
78 return 0;
79 }
80 return (int) ((((double) transmitted) / file.getExpectedSize()) * 100);
81 }
82
83 @Override
84 public void cancel() {
85 this.canceled = true;
86 }
87
88 private void fail(String errorMessage) {
89 mHttpConnectionManager.finishUploadConnection(this);
90 message.setTransferable(null);
91 mXmppConnectionService.markMessage(message, Message.STATUS_SEND_FAILED, errorMessage);
92 FileBackend.close(mFileInputStream);
93 }
94
95 public void init(Message message, boolean delay) {
96 this.message = message;
97 this.account = message.getConversation().getAccount();
98 this.file = mXmppConnectionService.getFileBackend().getFile(message, false);
99 this.mime = this.file.getMimeType();
100 this.delayed = delay;
101 if (Config.ENCRYPT_ON_HTTP_UPLOADED
102 || message.getEncryption() == Message.ENCRYPTION_AXOLOTL
103 || message.getEncryption() == Message.ENCRYPTION_OTR) {
104 this.key = new byte[48];
105 mXmppConnectionService.getRNG().nextBytes(this.key);
106 this.file.setKeyAndIv(this.key);
107 }
108 Pair<InputStream,Integer> pair;
109 try {
110 pair = AbstractConnectionManager.createInputStream(file, true);
111 } catch (FileNotFoundException e) {
112 Log.d(Config.LOGTAG,account.getJid().toBareJid()+": could not find file to upload - "+e.getMessage());
113 fail(e.getMessage());
114 return;
115 }
116 this.file.setExpectedSize(pair.second);
117 this.mFileInputStream = pair.first;
118 Jid host = account.getXmppConnection().findDiscoItemByFeature(Namespace.HTTP_UPLOAD);
119 IqPacket request = mXmppConnectionService.getIqGenerator().requestHttpUploadSlot(host,file,mime);
120 mXmppConnectionService.sendIqPacket(account, request, new OnIqPacketReceived() {
121 @Override
122 public void onIqPacketReceived(Account account, IqPacket packet) {
123 if (packet.getType() == IqPacket.TYPE.RESULT) {
124 Element slot = packet.findChild("slot", Namespace.HTTP_UPLOAD);
125 if (slot != null) {
126 try {
127 mGetUrl = new URL(slot.findChildContent("get"));
128 mPutUrl = new URL(slot.findChildContent("put"));
129 if (!canceled) {
130 new Thread(new FileUploader()).start();
131 }
132 return;
133 } catch (MalformedURLException e) {
134 //fall through
135 }
136 }
137 }
138 Log.d(Config.LOGTAG,account.getJid().toString()+": invalid response to slot request "+packet);
139 fail(IqParser.extractErrorMessage(packet));
140 }
141 });
142 message.setTransferable(this);
143 mXmppConnectionService.markMessage(message, Message.STATUS_UNSEND);
144 }
145
146 private class FileUploader implements Runnable {
147
148 @Override
149 public void run() {
150 this.upload();
151 }
152
153 private void upload() {
154 OutputStream os = null;
155 HttpURLConnection connection = null;
156 PowerManager.WakeLock wakeLock = mHttpConnectionManager.createWakeLock("http_upload_"+message.getUuid());
157 try {
158 wakeLock.acquire();
159 Log.d(Config.LOGTAG, "uploading to " + mPutUrl.toString());
160 if (mUseTor) {
161 connection = (HttpURLConnection) mPutUrl.openConnection(mHttpConnectionManager.getProxy());
162 } else {
163 connection = (HttpURLConnection) mPutUrl.openConnection();
164 }
165 if (connection instanceof HttpsURLConnection) {
166 mHttpConnectionManager.setupTrustManager((HttpsURLConnection) connection, true);
167 }
168 connection.setRequestMethod("PUT");
169 connection.setFixedLengthStreamingMode((int) file.getExpectedSize());
170 connection.setRequestProperty("Content-Type", mime == null ? "application/octet-stream" : mime);
171 connection.setRequestProperty("User-Agent",mXmppConnectionService.getIqGenerator().getIdentityName());
172 connection.setDoOutput(true);
173 connection.setConnectTimeout(Config.SOCKET_TIMEOUT * 1000);
174 connection.setReadTimeout(Config.SOCKET_TIMEOUT * 1000);
175 connection.connect();
176 os = connection.getOutputStream();
177 transmitted = 0;
178 int count;
179 byte[] buffer = new byte[4096];
180 while (((count = mFileInputStream.read(buffer)) != -1) && !canceled) {
181 transmitted += count;
182 os.write(buffer, 0, count);
183 mHttpConnectionManager.updateConversationUi(false);
184 }
185 os.flush();
186 os.close();
187 mFileInputStream.close();
188 int code = connection.getResponseCode();
189 if (code == 200 || code == 201) {
190 Log.d(Config.LOGTAG, "finished uploading file");
191 if (key != null) {
192 mGetUrl = CryptoHelper.toAesGcmUrl(new URL(mGetUrl.toString() + "#" + CryptoHelper.bytesToHex(key)));
193 }
194 mXmppConnectionService.getFileBackend().updateFileParams(message, mGetUrl);
195 mXmppConnectionService.getFileBackend().updateMediaScanner(file);
196 message.setTransferable(null);
197 message.setCounterpart(message.getConversation().getJid().toBareJid());
198 mXmppConnectionService.resendMessage(message, delayed);
199 } else {
200 Log.d(Config.LOGTAG,"http upload failed because response code was "+code);
201 fail("http upload failed because response code was "+code);
202 }
203 } catch (IOException e) {
204 e.printStackTrace();
205 Log.d(Config.LOGTAG,"http upload failed "+e.getMessage());
206 fail(e.getMessage());
207 } finally {
208 FileBackend.close(mFileInputStream);
209 FileBackend.close(os);
210 if (connection != null) {
211 connection.disconnect();
212 }
213 wakeLock.release();
214 }
215 }
216 }
217}