1package eu.siacs.conversations.http;
2
3import android.os.PowerManager;
4import android.util.Log;
5
6import java.io.FileInputStream;
7import java.io.InputStream;
8import java.io.OutputStream;
9import java.net.HttpURLConnection;
10import java.net.URL;
11import java.util.Arrays;
12import java.util.HashMap;
13import java.util.List;
14import java.util.Scanner;
15
16import javax.net.ssl.HttpsURLConnection;
17
18import eu.siacs.conversations.Config;
19import eu.siacs.conversations.entities.Account;
20import eu.siacs.conversations.entities.DownloadableFile;
21import eu.siacs.conversations.entities.Message;
22import eu.siacs.conversations.entities.Transferable;
23import eu.siacs.conversations.persistance.FileBackend;
24import eu.siacs.conversations.services.AbstractConnectionManager;
25import eu.siacs.conversations.services.XmppConnectionService;
26import eu.siacs.conversations.utils.Checksum;
27import eu.siacs.conversations.utils.CryptoHelper;
28import eu.siacs.conversations.utils.WakeLockHelper;
29
30public class HttpUploadConnection implements Transferable {
31
32 static final List<String> WHITE_LISTED_HEADERS = Arrays.asList(
33 "Authorization",
34 "Cookie",
35 "Expires"
36 );
37
38 private final HttpConnectionManager mHttpConnectionManager;
39 private final XmppConnectionService mXmppConnectionService;
40 private final SlotRequester mSlotRequester;
41 private final Method method;
42 private final boolean mUseTor;
43 private boolean cancelled = false;
44 private boolean delayed = false;
45 private DownloadableFile file;
46 private final Message message;
47 private String mime;
48 private SlotRequester.Slot slot;
49 private byte[] key = null;
50
51 private long transmitted = 0;
52
53 public HttpUploadConnection(Message message, Method method, HttpConnectionManager httpConnectionManager) {
54 this.message = message;
55 this.method = method;
56 this.mHttpConnectionManager = httpConnectionManager;
57 this.mXmppConnectionService = httpConnectionManager.getXmppConnectionService();
58 this.mSlotRequester = new SlotRequester(this.mXmppConnectionService);
59 this.mUseTor = mXmppConnectionService.useTorToConnect();
60 }
61
62 @Override
63 public boolean start() {
64 return false;
65 }
66
67 @Override
68 public int getStatus() {
69 return STATUS_UPLOADING;
70 }
71
72 @Override
73 public long getFileSize() {
74 return file == null ? 0 : file.getExpectedSize();
75 }
76
77 @Override
78 public int getProgress() {
79 if (file == null) {
80 return 0;
81 }
82 return (int) ((((double) transmitted) / file.getExpectedSize()) * 100);
83 }
84
85 @Override
86 public void cancel() {
87 this.cancelled = true;
88 }
89
90 private void fail(String errorMessage) {
91 finish();
92 mXmppConnectionService.markMessage(message, Message.STATUS_SEND_FAILED, cancelled ? Message.ERROR_MESSAGE_CANCELLED : errorMessage);
93 }
94
95 private void finish() {
96 mHttpConnectionManager.finishUploadConnection(this);
97 message.setTransferable(null);
98 }
99
100 public void init(boolean delay) {
101 final Account account = message.getConversation().getAccount();
102 this.file = mXmppConnectionService.getFileBackend().getFile(message, false);
103 if (message.getEncryption() == Message.ENCRYPTION_PGP || message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
104 this.mime = "application/pgp-encrypted";
105 } else {
106 this.mime = this.file.getMimeType();
107 }
108 final long originalFileSize = file.getSize();
109 this.delayed = delay;
110 if (Config.ENCRYPT_ON_HTTP_UPLOADED
111 || message.getEncryption() == Message.ENCRYPTION_AXOLOTL
112 || message.getEncryption() == Message.ENCRYPTION_OTR) {
113 this.key = new byte[44];
114 mXmppConnectionService.getRNG().nextBytes(this.key);
115 this.file.setKeyAndIv(this.key);
116 }
117
118 final String md5;
119
120 if (method == Method.P1_S3) {
121 try {
122 md5 = Checksum.md5(AbstractConnectionManager.upgrade(file, new FileInputStream(file)));
123 } catch (Exception e) {
124 Log.d(Config.LOGTAG, account.getJid().asBareJid()+": unable to calculate md5()", e);
125 fail(e.getMessage());
126 return;
127 }
128 } else {
129 md5 = null;
130 }
131
132 this.file.setExpectedSize(originalFileSize + (file.getKey() != null ? 16 : 0));
133 message.resetFileParams();
134 this.mSlotRequester.request(method, account, file, mime, md5, new SlotRequester.OnSlotRequested() {
135 @Override
136 public void success(SlotRequester.Slot slot) {
137 if (!cancelled) {
138 HttpUploadConnection.this.slot = slot;
139 new Thread(HttpUploadConnection.this::upload).start();
140 }
141 }
142
143 @Override
144 public void failure(String message) {
145 fail(message);
146 }
147 });
148 message.setTransferable(this);
149 mXmppConnectionService.markMessage(message, Message.STATUS_UNSEND);
150 }
151
152 private void upload() {
153 OutputStream os = null;
154 InputStream fileInputStream = null;
155 HttpURLConnection connection = null;
156 PowerManager.WakeLock wakeLock = mHttpConnectionManager.createWakeLock("http_upload_"+message.getUuid());
157 try {
158 fileInputStream = new FileInputStream(file);
159 final String slotHostname = slot.getPutUrl().getHost();
160 final boolean onionSlot = slotHostname != null && slotHostname.endsWith(".onion");
161 final int expectedFileSize = (int) file.getExpectedSize();
162 final int readTimeout = (expectedFileSize / 2048) + Config.SOCKET_TIMEOUT; //assuming a minimum transfer speed of 16kbit/s
163 wakeLock.acquire(readTimeout);
164 Log.d(Config.LOGTAG, "uploading to " + slot.getPutUrl().toString()+ " w/ read timeout of "+readTimeout+"s");
165
166 if (mUseTor || message.getConversation().getAccount().isOnion() || onionSlot) {
167 connection = (HttpURLConnection) slot.getPutUrl().openConnection(HttpConnectionManager.getProxy());
168 } else {
169 connection = (HttpURLConnection) slot.getPutUrl().openConnection();
170 }
171 if (connection instanceof HttpsURLConnection) {
172 mHttpConnectionManager.setupTrustManager((HttpsURLConnection) connection, true);
173 }
174 connection.setUseCaches(false);
175 connection.setRequestMethod("PUT");
176 connection.setFixedLengthStreamingMode(expectedFileSize);
177 connection.setRequestProperty("User-Agent",mXmppConnectionService.getIqGenerator().getUserAgent());
178 if(slot.getHeaders() != null) {
179 for(HashMap.Entry<String,String> entry : slot.getHeaders().entrySet()) {
180 connection.setRequestProperty(entry.getKey(),entry.getValue());
181 }
182 }
183 connection.setDoOutput(true);
184 connection.setDoInput(true);
185 connection.setConnectTimeout(Config.SOCKET_TIMEOUT * 1000);
186 connection.setReadTimeout(readTimeout * 1000);
187 connection.connect();
188 final InputStream innerInputStream = AbstractConnectionManager.upgrade(file, fileInputStream);
189 os = connection.getOutputStream();
190 transmitted = 0;
191 int count;
192 byte[] buffer = new byte[4096];
193 while (((count = innerInputStream.read(buffer)) != -1) && !cancelled) {
194 transmitted += count;
195 os.write(buffer, 0, count);
196 mHttpConnectionManager.updateConversationUi(false);
197 }
198 os.flush();
199 os.close();
200 int code = connection.getResponseCode();
201 InputStream is = connection.getErrorStream();
202 if (is != null) {
203 try (Scanner scanner = new Scanner(is)) {
204 scanner.useDelimiter("\\Z");
205 Log.d(Config.LOGTAG, "body: " + scanner.next());
206 }
207 }
208 if (code == 200 || code == 201) {
209 Log.d(Config.LOGTAG, "finished uploading file");
210 final URL get;
211 if (key != null) {
212 if (method == Method.P1_S3) {
213 get = new URL(slot.getGetUrl().toString()+"#"+CryptoHelper.bytesToHex(key));
214 } else {
215 get = CryptoHelper.toAesGcmUrl(new URL(slot.getGetUrl().toString() + "#" + CryptoHelper.bytesToHex(key)));
216 }
217 } else {
218 get = slot.getGetUrl();
219 }
220 mXmppConnectionService.getFileBackend().updateFileParams(message, get);
221 mXmppConnectionService.getFileBackend().updateMediaScanner(file);
222 finish();
223 if (!message.isPrivateMessage()) {
224 message.setCounterpart(message.getConversation().getJid().asBareJid());
225 }
226 mXmppConnectionService.resendMessage(message, delayed);
227 } else {
228 Log.d(Config.LOGTAG,"http upload failed because response code was "+code);
229 fail("http upload failed because response code was "+code);
230 }
231 } catch (Exception e) {
232 e.printStackTrace();
233 Log.d(Config.LOGTAG,"http upload failed "+e.getMessage());
234 fail(e.getMessage());
235 } finally {
236 FileBackend.close(fileInputStream);
237 FileBackend.close(os);
238 if (connection != null) {
239 connection.disconnect();
240 }
241 WakeLockHelper.release(wakeLock);
242 }
243 }
244
245 public Message getMessage() {
246 return message;
247 }
248}