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package de.pixart.messenger.http;
import android.os.PowerManager;
import android.util.Log;
import android.util.Pair;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Scanner;
import javax.net.ssl.HttpsURLConnection;
import de.pixart.messenger.Config;
import de.pixart.messenger.entities.Account;
import de.pixart.messenger.entities.DownloadableFile;
import de.pixart.messenger.entities.Message;
import de.pixart.messenger.entities.Transferable;
import de.pixart.messenger.persistance.FileBackend;
import de.pixart.messenger.services.AbstractConnectionManager;
import de.pixart.messenger.services.XmppConnectionService;
import de.pixart.messenger.utils.Checksum;
import de.pixart.messenger.utils.CryptoHelper;
import de.pixart.messenger.utils.WakeLockHelper;
public class HttpUploadConnection implements Transferable {
public static final List<String> WHITE_LISTED_HEADERS = Arrays.asList(
"Authorization",
"Cookie",
"Expires"
);
private final HttpConnectionManager mHttpConnectionManager;
private final XmppConnectionService mXmppConnectionService;
private final SlotRequester mSlotRequester;
private final Method method;
private final boolean mUseTor;
private boolean canceled = false;
private boolean delayed = false;
private DownloadableFile file;
private Message message;
private String mime;
private SlotRequester.Slot slot;
private byte[] key = null;
private long transmitted = 0;
private InputStream mFileInputStream;
public HttpUploadConnection(Method method, HttpConnectionManager httpConnectionManager) {
this.method = method;
this.mHttpConnectionManager = httpConnectionManager;
this.mXmppConnectionService = httpConnectionManager.getXmppConnectionService();
this.mSlotRequester = new SlotRequester(this.mXmppConnectionService);
this.mUseTor = mXmppConnectionService.useTorToConnect();
}
@Override
public boolean start() {
return false;
}
@Override
public int getStatus() {
return STATUS_UPLOADING;
}
@Override
public long getFileSize() {
return file == null ? 0 : file.getExpectedSize();
}
@Override
public int getProgress() {
if (file == null) {
return 0;
}
return (int) ((((double) transmitted) / file.getExpectedSize()) * 100);
}
@Override
public void cancel() {
this.canceled = true;
}
private void fail(String errorMessage) {
mHttpConnectionManager.finishUploadConnection(this);
message.setTransferable(null);
mXmppConnectionService.markMessage(message, Message.STATUS_SEND_FAILED, errorMessage);
FileBackend.close(mFileInputStream);
}
public void init(Message message, boolean delay) {
this.message = message;
final Account account = message.getConversation().getAccount();
this.file = mXmppConnectionService.getFileBackend().getFile(message, false);
if (message.getEncryption() == Message.ENCRYPTION_PGP || message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
this.mime = "application/pgp-encrypted";
} else {
this.mime = this.file.getMimeType();
}
this.delayed = delay;
if (Config.ENCRYPT_ON_HTTP_UPLOADED
|| message.getEncryption() == Message.ENCRYPTION_AXOLOTL
|| message.getEncryption() == Message.ENCRYPTION_OTR) {
this.key = new byte[48]; // todo: change this to 44 for 12-byte IV instead of 16-byte at some point in future
mXmppConnectionService.getRNG().nextBytes(this.key);
this.file.setKeyAndIv(this.key);
}
final String md5;
if (method == Method.P1_S3) {
try {
md5 = Checksum.md5(AbstractConnectionManager.createInputStream(file, true).first);
} catch (Exception e) {
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to calculate md5()", e);
fail(e.getMessage());
return;
}
} else {
md5 = null;
}
Pair<InputStream, Integer> pair;
try {
pair = AbstractConnectionManager.createInputStream(file, true);
} catch (FileNotFoundException e) {
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": could not find file to upload - " + e.getMessage());
fail(e.getMessage());
return;
}
this.file.setExpectedSize(pair.second);
message.resetFileParams();
this.mFileInputStream = pair.first;
this.mSlotRequester.request(method, account, file, mime, md5, new SlotRequester.OnSlotRequested() {
@Override
public void success(SlotRequester.Slot slot) {
if (!canceled) {
HttpUploadConnection.this.slot = slot;
new Thread(HttpUploadConnection.this::upload).start();
}
}
@Override
public void failure(String message) {
fail(message);
}
});
message.setTransferable(this);
mXmppConnectionService.markMessage(message, Message.STATUS_UNSEND);
}
private void upload() {
OutputStream os = null;
HttpURLConnection connection = null;
PowerManager.WakeLock wakeLock = mHttpConnectionManager.createWakeLock("http_upload_" + message.getUuid());
try {
final int expectedFileSize = (int) file.getExpectedSize();
final int readTimeout = (expectedFileSize / 2048) + Config.SOCKET_TIMEOUT; //assuming a minimum transfer speed of 16kbit/s
wakeLock.acquire(readTimeout);
Log.d(Config.LOGTAG, "uploading to " + slot.getPutUrl().toString() + " w/ read timeout of " + readTimeout + "s");
if (mUseTor || message.getConversation().getAccount().isOnion()) {
connection = (HttpURLConnection) slot.getPutUrl().openConnection(HttpConnectionManager.getProxy());
} else {
connection = (HttpURLConnection) slot.getPutUrl().openConnection();
}
if (connection instanceof HttpsURLConnection) {
mHttpConnectionManager.setupTrustManager((HttpsURLConnection) connection, true);
}
connection.setUseCaches(false);
connection.setRequestMethod("PUT");
connection.setFixedLengthStreamingMode(expectedFileSize);
connection.setRequestProperty("User-Agent", mXmppConnectionService.getIqGenerator().getIdentityName());
if (slot.getHeaders() != null) {
for (HashMap.Entry<String, String> entry : slot.getHeaders().entrySet()) {
connection.setRequestProperty(entry.getKey(), entry.getValue());
}
}
connection.setDoOutput(true);
connection.setDoInput(true);
connection.setConnectTimeout(Config.SOCKET_TIMEOUT * 1000);
connection.setReadTimeout(readTimeout * 1000);
connection.connect();
os = connection.getOutputStream();
transmitted = 0;
int count;
byte[] buffer = new byte[4096];
while (((count = mFileInputStream.read(buffer)) != -1) && !canceled) {
transmitted += count;
os.write(buffer, 0, count);
mHttpConnectionManager.updateConversationUi(false);
}
os.flush();
os.close();
mFileInputStream.close();
int code = connection.getResponseCode();
InputStream is = connection.getErrorStream();
if (is != null) {
try (Scanner scanner = new Scanner(is)) {
scanner.useDelimiter("\\Z");
Log.d(Config.LOGTAG, "body: " + scanner.next());
}
}
if (code == 200 || code == 201) {
Log.d(Config.LOGTAG, "finished uploading file");
final URL get;
if (key != null) {
if (method == Method.P1_S3) {
get = new URL(slot.getGetUrl().toString() + "#" + CryptoHelper.bytesToHex(key));
} else {
get = CryptoHelper.toAesGcmUrl(new URL(slot.getGetUrl().toString() + "#" + CryptoHelper.bytesToHex(key)));
}
} else {
get = slot.getGetUrl();
}
mXmppConnectionService.getFileBackend().updateFileParams(message, get);
mXmppConnectionService.getFileBackend().updateMediaScanner(file);
message.setTransferable(null);
message.setCounterpart(message.getConversation().getJid().asBareJid());
mXmppConnectionService.resendMessage(message, delayed);
} else {
Log.d(Config.LOGTAG, "http upload failed because response code was " + code);
fail("http upload failed because response code was " + code);
}
} catch (Exception e) {
e.printStackTrace();
Log.d(Config.LOGTAG, "http upload failed " + e.getMessage());
fail(e.getMessage());
} finally {
FileBackend.close(mFileInputStream);
FileBackend.close(os);
if (connection != null) {
connection.disconnect();
}
WakeLockHelper.release(wakeLock);
}
}
}
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