diff options
Diffstat (limited to 'src/main/java/eu/siacs/conversations/http')
3 files changed, 695 insertions, 0 deletions
diff --git a/src/main/java/eu/siacs/conversations/http/HttpConnectionManager.java b/src/main/java/eu/siacs/conversations/http/HttpConnectionManager.java new file mode 100644 index 00000000..f105646f --- /dev/null +++ b/src/main/java/eu/siacs/conversations/http/HttpConnectionManager.java @@ -0,0 +1,99 @@ +package eu.siacs.conversations.http; + +import org.apache.http.conn.ssl.StrictHostnameVerifier; + +import java.io.IOException; +import java.net.InetAddress; +import java.net.InetSocketAddress; +import java.net.Proxy; +import java.security.KeyManagementException; +import java.security.NoSuchAlgorithmException; +import java.util.List; +import java.util.concurrent.CopyOnWriteArrayList; + +import javax.net.ssl.HostnameVerifier; +import javax.net.ssl.HttpsURLConnection; +import javax.net.ssl.SSLContext; +import javax.net.ssl.SSLSocketFactory; +import javax.net.ssl.X509TrustManager; + +import eu.siacs.conversations.entities.Message; +import eu.siacs.conversations.services.AbstractConnectionManager; +import eu.siacs.conversations.services.XmppConnectionService; +import eu.siacs.conversations.utils.CryptoHelper; +import eu.siacs.conversations.utils.SSLSocketHelper; + +public class HttpConnectionManager extends AbstractConnectionManager { + + public HttpConnectionManager(XmppConnectionService service) { + super(service); + } + + private List<HttpDownloadConnection> downloadConnections = new CopyOnWriteArrayList<>(); + private List<HttpUploadConnection> uploadConnections = new CopyOnWriteArrayList<>(); + + public HttpDownloadConnection createNewDownloadConnection(Message message) { + return this.createNewDownloadConnection(message, false); + } + + public HttpDownloadConnection createNewDownloadConnection(Message message, boolean interactive) { + HttpDownloadConnection connection = new HttpDownloadConnection(this); + connection.init(message,interactive); + this.downloadConnections.add(connection); + return connection; + } + + public HttpUploadConnection createNewUploadConnection(Message message, boolean delay) { + HttpUploadConnection connection = new HttpUploadConnection(this); + connection.init(message,delay); + this.uploadConnections.add(connection); + return connection; + } + + public void finishConnection(HttpDownloadConnection connection) { + this.downloadConnections.remove(connection); + } + + public void finishUploadConnection(HttpUploadConnection httpUploadConnection) { + this.uploadConnections.remove(httpUploadConnection); + } + + public void setupTrustManager(final HttpsURLConnection connection, final boolean interactive) { + final X509TrustManager trustManager; + final HostnameVerifier hostnameVerifier; + if (interactive) { + trustManager = mXmppConnectionService.getMemorizingTrustManager(); + hostnameVerifier = mXmppConnectionService + .getMemorizingTrustManager().wrapHostnameVerifier( + new StrictHostnameVerifier()); + } else { + trustManager = mXmppConnectionService.getMemorizingTrustManager() + .getNonInteractive(); + hostnameVerifier = mXmppConnectionService + .getMemorizingTrustManager() + .wrapHostnameVerifierNonInteractive( + new StrictHostnameVerifier()); + } + try { + final SSLContext sc = SSLSocketHelper.getSSLContext(); + sc.init(null, new X509TrustManager[]{trustManager}, + mXmppConnectionService.getRNG()); + + final SSLSocketFactory sf = sc.getSocketFactory(); + final String[] cipherSuites = CryptoHelper.getOrderedCipherSuites( + sf.getSupportedCipherSuites()); + if (cipherSuites.length > 0) { + sc.getDefaultSSLParameters().setCipherSuites(cipherSuites); + + } + + connection.setSSLSocketFactory(sf); + connection.setHostnameVerifier(hostnameVerifier); + } catch (final KeyManagementException | NoSuchAlgorithmException ignored) { + } + } + + public Proxy getProxy() throws IOException { + return new Proxy(Proxy.Type.HTTP, new InetSocketAddress(InetAddress.getLocalHost(), 8118)); + } +} diff --git a/src/main/java/eu/siacs/conversations/http/HttpDownloadConnection.java b/src/main/java/eu/siacs/conversations/http/HttpDownloadConnection.java new file mode 100644 index 00000000..66687c3a --- /dev/null +++ b/src/main/java/eu/siacs/conversations/http/HttpDownloadConnection.java @@ -0,0 +1,354 @@ +package eu.siacs.conversations.http; + +import android.os.PowerManager; +import android.util.Log; + +import java.io.BufferedInputStream; +import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; +import java.net.HttpURLConnection; +import java.net.MalformedURLException; +import java.net.URL; +import java.util.concurrent.CancellationException; + +import javax.net.ssl.HttpsURLConnection; +import javax.net.ssl.SSLHandshakeException; + +import de.thedevstack.android.logcat.Logging; +import de.thedevstack.conversationsplus.ConversationsPlusApplication; +import de.thedevstack.conversationsplus.ConversationsPlusPreferences; +import de.thedevstack.conversationsplus.exceptions.RemoteFileNotFoundException; +import de.thedevstack.conversationsplus.utils.MessageUtil; +import de.thedevstack.conversationsplus.utils.StreamUtil; +import eu.siacs.conversations.Config; +import eu.siacs.conversations.R; +import eu.siacs.conversations.entities.DownloadableFile; +import eu.siacs.conversations.entities.Message; +import eu.siacs.conversations.entities.Transferable; +import eu.siacs.conversations.entities.TransferablePlaceholder; +import eu.siacs.conversations.persistance.FileBackend; +import eu.siacs.conversations.services.AbstractConnectionManager; +import eu.siacs.conversations.services.XmppConnectionService; +import eu.siacs.conversations.utils.CryptoHelper; +import eu.siacs.conversations.utils.FileUtils; + +public class HttpDownloadConnection implements Transferable { + + private HttpConnectionManager mHttpConnectionManager; + private XmppConnectionService mXmppConnectionService; + + private URL mUrl; + private Message message; + private DownloadableFile file; + private int mStatus = Transferable.STATUS_UNKNOWN; + private boolean acceptedAutomatically = false; + private int mProgress = 0; + private boolean canceled = false; + + public HttpDownloadConnection(HttpConnectionManager manager) { + this.mHttpConnectionManager = manager; + this.mXmppConnectionService = manager.getXmppConnectionService(); + } + + @Override + public boolean start() { + if (mXmppConnectionService.hasInternetConnection()) { + if (this.mStatus == STATUS_OFFER_CHECK_FILESIZE) { + checkFileSize(true); + } else { + new Thread(new FileDownloader(true)).start(); + } + return true; + } else { + return false; + } + } + + public void init(Message message) { + init(message, false); + } + + public void init(Message message, boolean interactive) { + this.message = message; + this.message.setTransferable(this); + try { + if (message.hasFileOnRemoteHost()) { + mUrl = message.getFileParams().url; + } else { + mUrl = new URL(message.getBody()); + } + final String sUrlFilename = mUrl.getPath().substring(mUrl.getPath().lastIndexOf('/')).toLowerCase(); + final String lastPart = FileUtils.getLastExtension(sUrlFilename); + + if (!lastPart.isEmpty() && ("pgp".equals(lastPart) || "gpg".equals(lastPart))) { + this.message.setEncryption(Message.ENCRYPTION_PGP); + } else if (message.getEncryption() != Message.ENCRYPTION_OTR + && message.getEncryption() != Message.ENCRYPTION_AXOLOTL) { + this.message.setEncryption(Message.ENCRYPTION_NONE); + } + String extension; + if (!lastPart.isEmpty() && VALID_CRYPTO_EXTENSIONS.contains(lastPart)) { + extension = FileUtils.getSecondToLastExtension(sUrlFilename); + } else { + extension = lastPart; + } + message.setRelativeFilePath(message.getUuid() + "." + extension); + this.file = FileBackend.getFile(message, false); + String reference = mUrl.getRef(); + if (reference != null && reference.length() == 96) { + this.file.setKeyAndIv(CryptoHelper.hexToBytes(reference)); + } + + if ((this.message.getEncryption() == Message.ENCRYPTION_OTR + || this.message.getEncryption() == Message.ENCRYPTION_AXOLOTL) + && this.file.getKey() == null) { + this.message.setEncryption(Message.ENCRYPTION_NONE); + } + checkFileSize(interactive); + } catch (MalformedURLException e) { + this.cancel(); + } + } + + private void checkFileSize(boolean interactive) { + new Thread(new FileSizeChecker(interactive)).start(); + } + + @Override + public void cancel() { + this.canceled = true; + mHttpConnectionManager.finishConnection(this); + if (message.isFileOrImage()) { + message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED)); + } else { + message.setTransferable(null); + } + mXmppConnectionService.updateConversationUi(); + } + + private void finish() { + FileBackend.updateMediaScanner(file, mXmppConnectionService); + message.setTransferable(null); + mHttpConnectionManager.finishConnection(this); + if (message.getEncryption() == Message.ENCRYPTION_PGP) { + message.getConversation().getAccount().getPgpDecryptionService().add(message); + } + mXmppConnectionService.updateConversationUi(); + if (acceptedAutomatically) { + mXmppConnectionService.getNotificationService().push(message); + } + } + + private void changeStatus(int status) { + this.mStatus = status; + mXmppConnectionService.updateConversationUi(); + } + + private void showToastForException(Exception e) { + e.printStackTrace(); + if (e instanceof java.net.UnknownHostException) { + mXmppConnectionService.showErrorToastInUi(R.string.download_failed_server_not_found); + } else if (e instanceof java.net.ConnectException) { + mXmppConnectionService.showErrorToastInUi(R.string.download_failed_could_not_connect); + } else if (!(e instanceof CancellationException)) { + mXmppConnectionService.showErrorToastInUi(R.string.download_failed_file_not_found); + } + } + + private class FileSizeChecker implements Runnable { + + private boolean interactive = false; + + public FileSizeChecker(boolean interactive) { + this.interactive = interactive; + } + + @Override + public void run() { + long size; + try { + size = retrieveFileSize(); + } catch (SSLHandshakeException e) { + changeStatus(STATUS_OFFER_CHECK_FILESIZE); + HttpDownloadConnection.this.acceptedAutomatically = false; + HttpDownloadConnection.this.mXmppConnectionService.getNotificationService().push(message); + return; + } catch (RemoteFileNotFoundException e) { + message.setNoDownloadable(); + cancel(); + return; + } catch (IOException e) { + Log.d(Config.LOGTAG, "io exception in http file size checker: " + e.getMessage()); + if (interactive) { + showToastForException(e); + } + cancel(); + return; + } + file.setExpectedSize(size); + if (mHttpConnectionManager.hasStoragePermission() + && size != -1 + && size <= ConversationsPlusPreferences.autoAcceptFileSize() + && mXmppConnectionService.isDownloadAllowedInConnection()) { + HttpDownloadConnection.this.acceptedAutomatically = true; + new Thread(new FileDownloader(interactive)).start(); + } else { + changeStatus(STATUS_OFFER); + HttpDownloadConnection.this.acceptedAutomatically = false; + HttpDownloadConnection.this.mXmppConnectionService.getNotificationService().push(message); + } + } + + private long retrieveFileSize() throws IOException { + try { + Logging.d(Config.LOGTAG, "retrieve file size. interactive:" + String.valueOf(interactive)); + changeStatus(STATUS_CHECKING); + HttpURLConnection connection = (HttpURLConnection) mUrl.openConnection(); + connection.setRequestMethod("HEAD"); + Logging.d(Config.LOGTAG, "url: " + connection.getURL().toString()); + Logging.d(Config.LOGTAG, "connection: " + connection.toString()); + connection.setRequestProperty("User-Agent", ConversationsPlusApplication.getNameAndVersion()); + // https://code.google.com/p/android/issues/detail?id=24672 + connection.setRequestProperty("Accept-Encoding", ""); + if (connection instanceof HttpsURLConnection) { + mHttpConnectionManager.setupTrustManager((HttpsURLConnection) connection, interactive); + } + connection.connect(); + if (connection.getResponseCode() == HttpURLConnection.HTTP_NOT_FOUND) { + Logging.d(Config.LOGTAG, "remote file not found"); + throw new RemoteFileNotFoundException(); + } + String contentLength = connection.getHeaderField("Content-Length"); + connection.disconnect(); + if (contentLength == null) { + return -1; + } + return Long.parseLong(contentLength, 10); + } catch (RemoteFileNotFoundException e) { + throw e; + } catch (IOException e) { + return -1; + } catch (NumberFormatException e) { + return -1; + } + } + + } + + private class FileDownloader implements Runnable { + + private boolean interactive = false; + + private OutputStream os; + + public FileDownloader(boolean interactive) { + this.interactive = interactive; + } + + @Override + public void run() { + try { + changeStatus(STATUS_DOWNLOADING); + download(); + updateImageBounds(); + finish(); + } catch (SSLHandshakeException e) { + changeStatus(STATUS_OFFER); + } catch (Exception e) { + if (interactive) { + showToastForException(e); + } + cancel(); + } + } + + private void download() throws SSLHandshakeException, IOException { + InputStream is = null; + PowerManager.WakeLock wakeLock = mHttpConnectionManager.createWakeLock("http_download_"+message.getUuid()); + try { + wakeLock.acquire(); + HttpURLConnection connection = (HttpURLConnection) mUrl.openConnection(); + if (connection instanceof HttpsURLConnection) { + mHttpConnectionManager.setupTrustManager((HttpsURLConnection) connection, interactive); + } + connection.setRequestProperty("User-Agent", ConversationsPlusApplication.getNameAndVersion()); + final boolean tryResume = file.exists() && file.getKey() == null; + if (tryResume) { + Logging.d(Config.LOGTAG, "http download trying resume"); + long size = file.getSize(); + connection.setRequestProperty("Range", "bytes="+size+"-"); + } + connection.connect(); + is = new BufferedInputStream(connection.getInputStream()); + boolean serverResumed = "bytes".equals(connection.getHeaderField("Accept-Ranges")); + long transmitted = 0; + long expected = file.getExpectedSize(); + if (tryResume && serverResumed) { + Logging.d(Config.LOGTAG, "server resumed"); + transmitted = file.getSize(); + updateProgress((int) ((((double) transmitted) / expected) * 100)); + os = AbstractConnectionManager.createAppendedOutputStream(file); + } else { + file.getParentFile().mkdirs(); + file.createNewFile(); + os = AbstractConnectionManager.createOutputStream(file, true); + } + int count = -1; + byte[] buffer = new byte[1024]; + while ((count = is.read(buffer)) != -1) { + transmitted += count; + os.write(buffer, 0, count); + updateProgress((int) ((((double) transmitted) / expected) * 100)); + if (canceled) { + throw new CancellationException(); + } + } + } catch (CancellationException | IOException e) { + throw e; + } finally { + if (os != null) { + try { + os.flush(); + } catch (final IOException ignored) { + + } + } + StreamUtil.close(os); + StreamUtil.close(is); + wakeLock.release(); + } + } + + private void updateImageBounds() { + message.setType(Message.TYPE_FILE); + MessageUtil.updateFileParams(message, mUrl); + mXmppConnectionService.updateMessage(message); + } + + } + + public void updateProgress(int i) { + this.mProgress = i; + mXmppConnectionService.updateConversationUi(); + } + + @Override + public int getStatus() { + return this.mStatus; + } + + @Override + public long getFileSize() { + if (this.file != null) { + return this.file.getExpectedSize(); + } else { + return 0; + } + } + + @Override + public int getProgress() { + return this.mProgress; + } +} diff --git a/src/main/java/eu/siacs/conversations/http/HttpUploadConnection.java b/src/main/java/eu/siacs/conversations/http/HttpUploadConnection.java new file mode 100644 index 00000000..3effb813 --- /dev/null +++ b/src/main/java/eu/siacs/conversations/http/HttpUploadConnection.java @@ -0,0 +1,242 @@ +package eu.siacs.conversations.http; + +import android.app.PendingIntent; +import android.os.PowerManager; +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.MalformedURLException; +import java.net.URL; +import java.util.Scanner; + +import javax.net.ssl.HttpsURLConnection; + +import de.thedevstack.android.logcat.Logging; +import de.thedevstack.conversationsplus.ConversationsPlusApplication; +import de.thedevstack.conversationsplus.utils.MessageUtil; +import de.thedevstack.conversationsplus.utils.StreamUtil; +import eu.siacs.conversations.Config; +import eu.siacs.conversations.entities.Account; +import eu.siacs.conversations.entities.DownloadableFile; +import eu.siacs.conversations.entities.Message; +import eu.siacs.conversations.entities.Transferable; +import eu.siacs.conversations.persistance.FileBackend; +import eu.siacs.conversations.services.AbstractConnectionManager; +import eu.siacs.conversations.services.XmppConnectionService; +import eu.siacs.conversations.ui.UiCallback; +import eu.siacs.conversations.utils.CryptoHelper; +import eu.siacs.conversations.utils.Xmlns; +import eu.siacs.conversations.xml.Element; +import eu.siacs.conversations.xmpp.OnIqPacketReceived; +import eu.siacs.conversations.xmpp.jid.Jid; +import eu.siacs.conversations.xmpp.stanzas.IqPacket; + +public class HttpUploadConnection implements Transferable { + + private HttpConnectionManager mHttpConnectionManager; + private XmppConnectionService mXmppConnectionService; + + private boolean canceled = false; + private boolean delayed = false; + private Account account; + private DownloadableFile file; + private Message message; + private String mime; + private URL mGetUrl; + private URL mPutUrl; + + private byte[] key = null; + + private long transmitted = 0; + + private InputStream mFileInputStream; + + public HttpUploadConnection(HttpConnectionManager httpConnectionManager) { + this.mHttpConnectionManager = httpConnectionManager; + this.mXmppConnectionService = httpConnectionManager.getXmppConnectionService(); + } + + @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() { + mHttpConnectionManager.finishUploadConnection(this); + message.setTransferable(null); + mXmppConnectionService.markMessage(message, Message.STATUS_SEND_FAILED); + StreamUtil.close(mFileInputStream); + } + + public void init(Message message, boolean delay) { + this.message = message; + this.message.setHttpUploaded(true); + this.message.setNoDownloadable(); + this.account = message.getConversation().getAccount(); + this.file = FileBackend.getFile(message, false); + 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]; + mXmppConnectionService.getRNG().nextBytes(this.key); + this.file.setKeyAndIv(this.key); + } + Pair<InputStream,Integer> pair; + try { + pair = AbstractConnectionManager.createInputStream(file, true); + } catch (FileNotFoundException e) { + fail(); + return; + } + this.file.setExpectedSize(pair.second); + this.mFileInputStream = pair.first; + Jid host = account.getXmppConnection().findDiscoItemByFeature(Xmlns.HTTP_UPLOAD); + IqPacket request = mXmppConnectionService.getIqGenerator().requestHttpUploadSlot(host,file,mime); + mXmppConnectionService.sendIqPacket(account, request, new OnIqPacketReceived() { + @Override + public void onIqPacketReceived(Account account, IqPacket packet) { + if (packet.getType() == IqPacket.TYPE.RESULT) { + Element slot = packet.findChild("slot",Xmlns.HTTP_UPLOAD); + if (slot != null) { + try { + mGetUrl = new URL(slot.findChildContent("get")); + mPutUrl = new URL(slot.findChildContent("put")); + if (!canceled) { + new Thread(new FileUploader()).start(); + } + } catch (MalformedURLException e) { + fail(); + } + } else { + fail(); + } + } else { + fail(); + } + } + }); + message.setTransferable(this); + mXmppConnectionService.markMessage(message, Message.STATUS_UNSEND); + } + + private class FileUploader implements Runnable { + + @Override + public void run() { + this.upload(); + } + + private void upload() { + OutputStream os = null; + InputStream errorStream = null; + HttpURLConnection connection = null; + PowerManager.WakeLock wakeLock = mHttpConnectionManager.createWakeLock("http_upload_"+message.getUuid()); + try { + wakeLock.acquire(); + Logging.d(Config.LOGTAG, "uploading to " + mPutUrl.toString()); + connection = (HttpURLConnection) mPutUrl.openConnection(); + + if (connection instanceof HttpsURLConnection) { + mHttpConnectionManager.setupTrustManager((HttpsURLConnection) connection, true); + } + connection.setRequestMethod("PUT"); + connection.setFixedLengthStreamingMode((int) file.getExpectedSize()); + connection.setRequestProperty("Content-Type", mime == null ? "application/octet-stream" : mime); + connection.setRequestProperty("User-Agent", ConversationsPlusApplication.getNameAndVersion()); + connection.setDoOutput(true); + connection.connect(); + os = connection.getOutputStream(); + transmitted = 0; + int count = -1; + byte[] buffer = new byte[4096]; + while (((count = mFileInputStream.read(buffer)) != -1) && !canceled) { + transmitted += count; + os.write(buffer, 0, count); + mXmppConnectionService.updateConversationUi(); + } + os.flush(); + os.close(); + mFileInputStream.close(); + int code = connection.getResponseCode(); + if (code == 200 || code == 201) { + Logging.d(Config.LOGTAG, "finished uploading file"); + if (key != null) { + mGetUrl = new URL(mGetUrl.toString() + "#" + CryptoHelper.bytesToHex(key)); + } + MessageUtil.updateFileParams(message, mGetUrl); + FileBackend.updateMediaScanner(file, mXmppConnectionService); + message.setTransferable(null); + message.setCounterpart(message.getConversation().getJid().toBareJid()); + if (message.getEncryption() == Message.ENCRYPTION_DECRYPTED) { + mXmppConnectionService.getPgpEngine().encrypt(message, new UiCallback<Message>() { + @Override + public void success(Message message) { + mXmppConnectionService.resendMessage(message,delayed); + } + + @Override + public void error(int errorCode, Message object) { + fail(); + } + + @Override + public void userInputRequried(PendingIntent pi, Message object) { + fail(); + } + }); + } else { + mXmppConnectionService.resendMessage(message, delayed); + } + } else { + errorStream = connection.getErrorStream(); + Logging.e("httpupload", "file upload failed: http code (" + code + ") " + new Scanner(errorStream).useDelimiter("\\A").next()); + fail(); + } + } catch (IOException e) { + errorStream = (null != connection) ? connection.getErrorStream() : null; + String httpResponseMessage = null; + if (null != errorStream) { + httpResponseMessage = new Scanner(errorStream).useDelimiter("\\A").next(); + } + Logging.e("httpupload", ((null != httpResponseMessage) ? ("http response: " + httpResponseMessage + ", ") : "") + "exception message: " + e.getMessage()); + fail(); + } finally { + StreamUtil.close(os); + StreamUtil.close(errorStream); + if (connection != null) { + connection.disconnect(); + } + wakeLock.release(); + } + } + } +} |