245 lines
8.5 KiB
Java
245 lines
8.5 KiB
Java
package eu.siacs.conversations.http;
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import android.os.PowerManager;
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import android.util.Log;
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import android.util.Pair;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.net.HttpURLConnection;
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import java.net.MalformedURLException;
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import java.net.URL;
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import java.util.Arrays;
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import java.util.HashMap;
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import java.util.List;
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import javax.net.ssl.HttpsURLConnection;
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import eu.siacs.conversations.Config;
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import eu.siacs.conversations.entities.Account;
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import eu.siacs.conversations.entities.DownloadableFile;
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import eu.siacs.conversations.entities.Message;
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import eu.siacs.conversations.entities.Transferable;
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import eu.siacs.conversations.parser.IqParser;
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import eu.siacs.conversations.persistance.FileBackend;
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import eu.siacs.conversations.services.AbstractConnectionManager;
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import eu.siacs.conversations.services.XmppConnectionService;
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import eu.siacs.conversations.utils.CryptoHelper;
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import eu.siacs.conversations.utils.WakeLockHelper;
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import eu.siacs.conversations.xml.Namespace;
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import eu.siacs.conversations.xml.Element;
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import eu.siacs.conversations.xmpp.stanzas.IqPacket;
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import rocks.xmpp.addr.Jid;
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public class HttpUploadConnection implements Transferable {
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private static final List<String> WHITE_LISTED_HEADERS = Arrays.asList(
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"Authorization",
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"Cookie",
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"Expires"
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);
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private HttpConnectionManager mHttpConnectionManager;
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private XmppConnectionService mXmppConnectionService;
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private boolean canceled = false;
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private boolean delayed = false;
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private DownloadableFile file;
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private Message message;
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private String mime;
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private URL mGetUrl;
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private URL mPutUrl;
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private HashMap<String,String> mPutHeaders;
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private boolean mUseTor = false;
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private byte[] key = null;
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private long transmitted = 0;
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private InputStream mFileInputStream;
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public HttpUploadConnection(HttpConnectionManager httpConnectionManager) {
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this.mHttpConnectionManager = httpConnectionManager;
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this.mXmppConnectionService = httpConnectionManager.getXmppConnectionService();
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this.mUseTor = mXmppConnectionService.useTorToConnect();
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}
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@Override
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public boolean start() {
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return false;
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}
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@Override
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public int getStatus() {
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return STATUS_UPLOADING;
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}
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@Override
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public long getFileSize() {
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return file == null ? 0 : file.getExpectedSize();
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}
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@Override
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public int getProgress() {
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if (file == null) {
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return 0;
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}
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return (int) ((((double) transmitted) / file.getExpectedSize()) * 100);
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}
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@Override
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public void cancel() {
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this.canceled = true;
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}
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private void fail(String errorMessage) {
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mHttpConnectionManager.finishUploadConnection(this);
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message.setTransferable(null);
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mXmppConnectionService.markMessage(message, Message.STATUS_SEND_FAILED, errorMessage);
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FileBackend.close(mFileInputStream);
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}
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public void init(Message message, boolean delay) {
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this.message = message;
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final Account account = message.getConversation().getAccount();
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this.file = mXmppConnectionService.getFileBackend().getFile(message, false);
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if (message.getEncryption() == Message.ENCRYPTION_PGP || message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
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this.mime = "application/pgp-encrypted";
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} else {
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this.mime = this.file.getMimeType();
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}
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this.delayed = delay;
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if (Config.ENCRYPT_ON_HTTP_UPLOADED
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|| message.getEncryption() == Message.ENCRYPTION_AXOLOTL
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|| message.getEncryption() == Message.ENCRYPTION_OTR) {
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this.key = new byte[48]; // todo: change this to 44 for 12-byte IV instead of 16-byte at some point in future
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mXmppConnectionService.getRNG().nextBytes(this.key);
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this.file.setKeyAndIv(this.key);
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}
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Pair<InputStream,Integer> pair;
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try {
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pair = AbstractConnectionManager.createInputStream(file, true);
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} catch (FileNotFoundException e) {
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Log.d(Config.LOGTAG, account.getJid().asBareJid()+": could not find file to upload - "+e.getMessage());
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fail(e.getMessage());
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return;
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}
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this.file.setExpectedSize(pair.second);
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message.resetFileParams();
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this.mFileInputStream = pair.first;
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Jid host = account.getXmppConnection().findDiscoItemByFeature(Namespace.HTTP_UPLOAD);
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IqPacket request = mXmppConnectionService.getIqGenerator().requestHttpUploadSlot(host,file,mime);
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mXmppConnectionService.sendIqPacket(account, request, (a, packet) -> {
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if (packet.getType() == IqPacket.TYPE.RESULT) {
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Element slot = packet.findChild("slot", Namespace.HTTP_UPLOAD);
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if (slot != null) {
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try {
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final Element put = slot.findChild("put");
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final Element get = slot.findChild("get");
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final String putUrl = put == null ? null : put.getAttribute("url");
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final String getUrl = get == null ? null : get.getAttribute("url");
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if (getUrl != null && putUrl != null) {
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this.mGetUrl = new URL(getUrl);
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this.mPutUrl = new URL(putUrl);
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this.mPutHeaders = new HashMap<>();
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for(Element child : put.getChildren()) {
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if ("header".equals(child.getName())) {
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final String name = child.getAttribute("name");
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final String value = child.getContent();
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if (WHITE_LISTED_HEADERS.contains(name) && value != null && !value.trim().contains("\n")) {
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this.mPutHeaders.put(name,value.trim());
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}
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}
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}
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if (!canceled) {
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new Thread(this::upload).start();
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}
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return;
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}
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} catch (MalformedURLException e) {
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//fall through
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}
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}
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}
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Log.d(Config.LOGTAG,account.getJid().toString()+": invalid response to slot request "+packet);
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fail(IqParser.extractErrorMessage(packet));
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});
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message.setTransferable(this);
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mXmppConnectionService.markMessage(message, Message.STATUS_UNSEND);
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}
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private void upload() {
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OutputStream os = null;
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HttpURLConnection connection = null;
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PowerManager.WakeLock wakeLock = mHttpConnectionManager.createWakeLock("http_upload_"+message.getUuid());
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try {
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final int expectedFileSize = (int) file.getExpectedSize();
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final int readTimeout = (expectedFileSize / 2048) + Config.SOCKET_TIMEOUT; //assuming a minimum transfer speed of 16kbit/s
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wakeLock.acquire(readTimeout);
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Log.d(Config.LOGTAG, "uploading to " + mPutUrl.toString()+ " w/ read timeout of "+readTimeout+"s");
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if (mUseTor) {
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connection = (HttpURLConnection) mPutUrl.openConnection(HttpConnectionManager.getProxy());
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} else {
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connection = (HttpURLConnection) mPutUrl.openConnection();
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}
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if (connection instanceof HttpsURLConnection) {
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mHttpConnectionManager.setupTrustManager((HttpsURLConnection) connection, true);
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}
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connection.setUseCaches(false);
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connection.setRequestMethod("PUT");
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connection.setFixedLengthStreamingMode(expectedFileSize);
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connection.setRequestProperty("Content-Type", mime == null ? "application/octet-stream" : mime);
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connection.setRequestProperty("User-Agent",mXmppConnectionService.getIqGenerator().getIdentityName());
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if(mPutHeaders != null) {
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for(HashMap.Entry<String,String> entry : mPutHeaders.entrySet()) {
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connection.setRequestProperty(entry.getKey(),entry.getValue());
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}
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}
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connection.setDoOutput(true);
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connection.setConnectTimeout(Config.SOCKET_TIMEOUT * 1000);
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connection.setReadTimeout(readTimeout * 1000);
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connection.connect();
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os = connection.getOutputStream();
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transmitted = 0;
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int count;
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byte[] buffer = new byte[4096];
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while (((count = mFileInputStream.read(buffer)) != -1) && !canceled) {
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transmitted += count;
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os.write(buffer, 0, count);
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mHttpConnectionManager.updateConversationUi(false);
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}
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os.flush();
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os.close();
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mFileInputStream.close();
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int code = connection.getResponseCode();
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if (code == 200 || code == 201) {
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Log.d(Config.LOGTAG, "finished uploading file");
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if (key != null) {
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mGetUrl = CryptoHelper.toAesGcmUrl(new URL(mGetUrl.toString() + "#" + CryptoHelper.bytesToHex(key)));
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}
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mXmppConnectionService.getFileBackend().updateFileParams(message, mGetUrl);
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mXmppConnectionService.getFileBackend().updateMediaScanner(file);
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message.setTransferable(null);
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message.setCounterpart(message.getConversation().getJid().asBareJid());
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mXmppConnectionService.resendMessage(message, delayed);
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} else {
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Log.d(Config.LOGTAG,"http upload failed because response code was "+code);
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fail("http upload failed because response code was "+code);
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}
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} catch (IOException e) {
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e.printStackTrace();
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Log.d(Config.LOGTAG,"http upload failed "+e.getMessage());
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fail(e.getMessage());
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} finally {
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FileBackend.close(mFileInputStream);
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FileBackend.close(os);
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if (connection != null) {
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connection.disconnect();
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}
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WakeLockHelper.release(wakeLock);
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}
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}
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}
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