Merge tag '1.9.3' into trz/merge_1.9.3

Conflicts:
	.travis.yml
	CHANGELOG.md
	README.md
	art/render.rb
	build.gradle
	libs/openpgp-api-lib/build.gradle
	settings.gradle
	src/main/AndroidManifest.xml
	src/main/java/eu/siacs/conversations/Config.java
	src/main/java/eu/siacs/conversations/crypto/OtrService.java
	src/main/java/eu/siacs/conversations/crypto/PgpEngine.java
	src/main/java/eu/siacs/conversations/entities/Account.java
	src/main/java/eu/siacs/conversations/entities/Contact.java
	src/main/java/eu/siacs/conversations/entities/Conversation.java
	src/main/java/eu/siacs/conversations/entities/DownloadableFile.java
	src/main/java/eu/siacs/conversations/entities/Message.java
	src/main/java/eu/siacs/conversations/entities/MucOptions.java
	src/main/java/eu/siacs/conversations/entities/Transferable.java
	src/main/java/eu/siacs/conversations/generator/AbstractGenerator.java
	src/main/java/eu/siacs/conversations/generator/IqGenerator.java
	src/main/java/eu/siacs/conversations/generator/MessageGenerator.java
	src/main/java/eu/siacs/conversations/generator/PresenceGenerator.java
	src/main/java/eu/siacs/conversations/http/HttpConnectionManager.java
	src/main/java/eu/siacs/conversations/http/HttpDownloadConnection.java
	src/main/java/eu/siacs/conversations/http/HttpUploadConnection.java
	src/main/java/eu/siacs/conversations/parser/AbstractParser.java
	src/main/java/eu/siacs/conversations/parser/IqParser.java
	src/main/java/eu/siacs/conversations/parser/MessageParser.java
	src/main/java/eu/siacs/conversations/parser/PresenceParser.java
	src/main/java/eu/siacs/conversations/persistance/DatabaseBackend.java
	src/main/java/eu/siacs/conversations/persistance/FileBackend.java
	src/main/java/eu/siacs/conversations/services/AbstractConnectionManager.java
	src/main/java/eu/siacs/conversations/services/AvatarService.java
	src/main/java/eu/siacs/conversations/services/MessageArchiveService.java
	src/main/java/eu/siacs/conversations/services/NotificationService.java
	src/main/java/eu/siacs/conversations/services/XmppConnectionService.java
	src/main/java/eu/siacs/conversations/ui/ConferenceDetailsActivity.java
	src/main/java/eu/siacs/conversations/ui/ContactDetailsActivity.java
	src/main/java/eu/siacs/conversations/ui/ConversationActivity.java
	src/main/java/eu/siacs/conversations/ui/ConversationFragment.java
	src/main/java/eu/siacs/conversations/ui/EditAccountActivity.java
	src/main/java/eu/siacs/conversations/ui/ManageAccountActivity.java
	src/main/java/eu/siacs/conversations/ui/PublishProfilePictureActivity.java
	src/main/java/eu/siacs/conversations/ui/SettingsActivity.java
	src/main/java/eu/siacs/conversations/ui/ShareWithActivity.java
	src/main/java/eu/siacs/conversations/ui/XmppActivity.java
	src/main/java/eu/siacs/conversations/ui/adapter/AccountAdapter.java
	src/main/java/eu/siacs/conversations/ui/adapter/ConversationAdapter.java
	src/main/java/eu/siacs/conversations/ui/adapter/ListItemAdapter.java
	src/main/java/eu/siacs/conversations/ui/adapter/MessageAdapter.java
	src/main/java/eu/siacs/conversations/utils/CryptoHelper.java
	src/main/java/eu/siacs/conversations/utils/DNSHelper.java
	src/main/java/eu/siacs/conversations/utils/ExceptionHelper.java
	src/main/java/eu/siacs/conversations/utils/MimeUtils.java
	src/main/java/eu/siacs/conversations/utils/PhoneHelper.java
	src/main/java/eu/siacs/conversations/utils/UIHelper.java
	src/main/java/eu/siacs/conversations/utils/Xmlns.java
	src/main/java/eu/siacs/conversations/xml/XmlReader.java
	src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java
	src/main/java/eu/siacs/conversations/xmpp/jingle/JingleConnection.java
	src/main/java/eu/siacs/conversations/xmpp/jingle/JingleConnectionManager.java
	src/main/java/eu/siacs/conversations/xmpp/jingle/JingleInbandTransport.java
	src/main/java/eu/siacs/conversations/xmpp/jingle/JingleSocks5Transport.java
	src/main/java/eu/siacs/conversations/xmpp/stanzas/MessagePacket.java
	src/main/res/drawable-hdpi/ic_launcher.png
	src/main/res/drawable-hdpi/ic_notification.png
	src/main/res/drawable-mdpi/ic_launcher.png
	src/main/res/drawable-mdpi/ic_notification.png
	src/main/res/drawable-xhdpi/ic_launcher.png
	src/main/res/drawable-xhdpi/ic_notification.png
	src/main/res/drawable-xxhdpi/ic_launcher.png
	src/main/res/drawable-xxhdpi/ic_notification.png
	src/main/res/drawable-xxxhdpi/ic_launcher.png
	src/main/res/drawable-xxxhdpi/ic_notification.png
	src/main/res/layout/account_row.xml
	src/main/res/layout/activity_about.xml
	src/main/res/layout/activity_change_password.xml
	src/main/res/layout/activity_contact_details.xml
	src/main/res/layout/activity_edit_account.xml
	src/main/res/layout/activity_muc_details.xml
	src/main/res/layout/activity_publish_profile_picture.xml
	src/main/res/layout/activity_verify_otr.xml
	src/main/res/layout/contact.xml
	src/main/res/layout/contact_key.xml
	src/main/res/layout/conversation_list_row.xml
	src/main/res/layout/enter_jid_dialog.xml
	src/main/res/layout/fragment_conversation.xml
	src/main/res/layout/join_conference_dialog.xml
	src/main/res/layout/message_received.xml
	src/main/res/layout/message_sent.xml
	src/main/res/layout/message_status.xml
	src/main/res/layout/quickedit.xml
	src/main/res/values-ar-rEG/strings.xml
	src/main/res/values-bg/strings.xml
	src/main/res/values-ca/strings.xml
	src/main/res/values-cs/strings.xml
	src/main/res/values-de/strings.xml
	src/main/res/values-el/strings.xml
	src/main/res/values-es/strings.xml
	src/main/res/values-eu/strings.xml
	src/main/res/values-fa-rIR/strings.xml
	src/main/res/values-fr/strings.xml
	src/main/res/values-id/strings.xml
	src/main/res/values-it/strings.xml
	src/main/res/values-iw/strings.xml
	src/main/res/values-ja/strings.xml
	src/main/res/values-ko/strings.xml
	src/main/res/values-nl/strings.xml
	src/main/res/values-pl/strings.xml
	src/main/res/values-pt/strings.xml
	src/main/res/values-ru/strings.xml
	src/main/res/values-sk/strings.xml
	src/main/res/values-sr/strings.xml
	src/main/res/values-sv/strings.xml
	src/main/res/values-v21/themes.xml
	src/main/res/values-zh-rCN/strings.xml
	src/main/res/values/arrays.xml
	src/main/res/values/colors.xml
	src/main/res/values/dimens.xml
	src/main/res/values/strings.xml
	src/main/res/values/themes.xml
	src/main/res/xml/preferences.xml

1 files changed, 150 insertions, 47 deletions

diff --git a/src/main/java/eu/siacs/conversations/persistance/FileBackend.java b/src/main/java/eu/siacs/conversations/persistance/FileBackend.java
index aba4c090..f242b928 100644
--- a/src/main/java/eu/siacs/conversations/persistance/FileBackend.java
+++ b/src/main/java/eu/siacs/conversations/persistance/FileBackend.java
@@ -1,12 +1,30 @@
 package eu.siacs.conversations.persistance;
 
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.graphics.Canvas;
+import android.graphics.Matrix;
+import android.graphics.RectF;
+import android.net.Uri;
+import android.os.Environment;
+import android.util.Base64;
+import android.util.Base64OutputStream;
+import android.util.Log;
+import android.webkit.MimeTypeMap;
+
+import java.io.ByteArrayOutputStream;
+import java.io.Closeable;
 import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
+import java.net.Socket;
 import java.net.URL;
+import java.security.DigestOutputStream;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
 import java.text.SimpleDateFormat;
 import java.util.Arrays;
 import java.util.Date;
@@ -29,44 +47,49 @@ import eu.siacs.conversations.R;
 import eu.siacs.conversations.entities.Transferable;
 import eu.siacs.conversations.entities.DownloadableFile;
 import eu.siacs.conversations.entities.Message;
+import eu.siacs.conversations.entities.Transferable;
+import eu.siacs.conversations.services.XmppConnectionService;
+import eu.siacs.conversations.utils.CryptoHelper;
+import eu.siacs.conversations.utils.ExifHelper;
+import eu.siacs.conversations.utils.FileUtils;
+import eu.siacs.conversations.xmpp.pep.Avatar;
 
-public final class FileBackend {
+public class FileBackend {
+	private final SimpleDateFormat imageDateFormat = new SimpleDateFormat("yyyyMMdd_HHmmssSSS", Locale.US);
 
-	private static final SimpleDateFormat imageDateFormat = new SimpleDateFormat("yyyyMMdd_HHmmssSSS", Locale.US);
+	private XmppConnectionService mXmppConnectionService;
 
-	public static DownloadableFile getFile(Message message) {
+	public FileBackend(XmppConnectionService service) {
+		this.mXmppConnectionService = service;
+	}
+
+	public DownloadableFile getFile(Message message) {
 		return getFile(message, true);
 	}
 
-	public static DownloadableFile getFile(Message message, boolean decrypted) {
+	public DownloadableFile getFile(Message message, boolean decrypted) {
+		final boolean encrypted = !decrypted
+				&& (message.getEncryption() == Message.ENCRYPTION_PGP
+				|| message.getEncryption() == Message.ENCRYPTION_DECRYPTED);
+		final DownloadableFile file;
 		String path = message.getRelativeFilePath();
-		String extension;
-		if (path != null && !path.isEmpty()) {
-			String[] parts = path.split("\\.");
-			extension = "."+parts[parts.length - 1];
+		if (path == null) {
+			path = message.getUuid();
+		}
+		if (path.startsWith("/")) {
+			file = new DownloadableFile(path);
 		} else {
-			if (message.getType() == Message.TYPE_IMAGE || message.getType() == Message.TYPE_TEXT) {
-				extension = ".png";
+			String mime = message.getMimeType();
+			if (mime != null && mime.startsWith("image")) {
+				file = new DownloadableFile(getConversationsImageDirectory() + path);
 			} else {
-				extension = "";
+				file = new DownloadableFile(getConversationsFileDirectory() + path);
 			}
-			path = message.getUuid()+extension;
 		}
-		final boolean encrypted = !decrypted
-				&& (message.getEncryption() == Message.ENCRYPTION_PGP
-				|| message.getEncryption() == Message.ENCRYPTION_DECRYPTED);
 		if (encrypted) {
-			return new DownloadableFile(getConversationsFileDirectory()+message.getUuid()+extension+".pgp");
+			return new DownloadableFile(getConversationsFileDirectory() + file.getName() + ".pgp");
 		} else {
-			if (path.startsWith("/")) {
-				return new DownloadableFile(path);
-			} else {
-				if (Arrays.asList(Transferable.VALID_IMAGE_EXTENSIONS).contains(extension)) {
-					return new DownloadableFile(getConversationsImageDirectory() + path);
-				} else {
-					return new DownloadableFile(getConversationsFileDirectory() + path);
-				}
-			}
+			return file;
 		}
 	}
 
@@ -86,12 +109,34 @@ public final class FileBackend {
         return FileBackend.getPrivateFileDirectoryPath() + File.separator + "Images" + File.separator;
     }
 
-	public static DownloadableFile copyFileToPrivateStorage(Message message, Uri uri) throws FileCopyException {
-		Logging.d(Config.LOGTAG, "copy " + uri.toString() + " to private storage");
-		String mime = ConversationsPlusApplication.getInstance().getContentResolver().getType(uri);
-		String extension = MimeTypeMap.getSingleton().getExtensionFromMimeType(mime);
-		message.setRelativeFilePath(FileBackend.getPrivateFileDirectoryPath() + message.getUuid() + "." + extension);
-		DownloadableFile file = getFile(message);
+	public boolean useImageAsIs(Uri uri) {
+		String path = getOriginalPath(uri);
+		if (path == null) {
+			return false;
+		}
+		File file = new File(path);
+		long size = file.length();
+		if (size == 0 || size >= Config.IMAGE_MAX_SIZE ) {
+			return false;
+		}
+		BitmapFactory.Options options = new BitmapFactory.Options();
+		options.inJustDecodeBounds = true;
+		try {
+			BitmapFactory.decodeStream(mXmppConnectionService.getContentResolver().openInputStream(uri), null, options);
+			if (options == null || options.outMimeType == null || options.outHeight <= 0 || options.outWidth <= 0) {
+				return false;
+			}
+			return (options.outWidth <= Config.IMAGE_SIZE && options.outHeight <= Config.IMAGE_SIZE && options.outMimeType.contains(Config.IMAGE_FORMAT.name().toLowerCase()));
+		} catch (FileNotFoundException e) {
+			return false;
+		}
+	}
+
+	public String getOriginalPath(Uri uri) {
+		return FileUtils.getPath(mXmppConnectionService,uri);
+	}
+
+	public void copyFileToPrivateStorage(File file, Uri uri) throws FileCopyException {
 		file.getParentFile().mkdirs();
 		OutputStream os = null;
 		InputStream is = null;
@@ -118,39 +163,97 @@ public final class FileBackend {
 		return file;
 	}
 
-	public static DownloadableFile compressImageAndCopyToPrivateStorage(Message message, Bitmap scaledBitmap) throws FileCopyException {
-        message.setRelativeFilePath(FileBackend.getPrivateImageDirectoryPath() + message.getUuid() + ".png");
-		DownloadableFile file = getFile(message);
+	public void copyFileToPrivateStorage(Message message, Uri uri) throws FileCopyException {
+		Log.d(Config.LOGTAG, "copy " + uri.toString() + " to private storage");
+		String mime = mXmppConnectionService.getContentResolver().getType(uri);
+		String extension = MimeTypeMap.getSingleton().getExtensionFromMimeType(mime);
+		message.setRelativeFilePath(message.getUuid() + "." + extension);
+		copyFileToPrivateStorage(mXmppConnectionService.getFileBackend().getFile(message), uri);
+	}
+
+	private void copyImageToPrivateStorage(File file, Uri image, int sampleSize) throws FileCopyException {
 		file.getParentFile().mkdirs();
+		InputStream is = null;
 		OutputStream os = null;
 		try {
 			file.createNewFile();
-            os = new FileOutputStream(file);
-
-			boolean success = scaledBitmap.compress(Bitmap.CompressFormat.PNG, 75, os);
-			if (!success) {
-				throw new FileCopyException(R.string.error_compressing_image);
+			is = mXmppConnectionService.getContentResolver().openInputStream(image);
+			Bitmap originalBitmap;
+			BitmapFactory.Options options = new BitmapFactory.Options();
+			int inSampleSize = (int) Math.pow(2, sampleSize);
+			Log.d(Config.LOGTAG, "reading bitmap with sample size " + inSampleSize);
+			options.inSampleSize = inSampleSize;
+			originalBitmap = BitmapFactory.decodeStream(is, null, options);
+			is.close();
+			if (originalBitmap == null) {
+				throw new FileCopyException(R.string.error_not_an_image_file);
 			}
-			os.flush();
-        } catch (IOException e) {
-            throw new FileCopyException(R.string.error_io_exception, e);
+			Bitmap scaledBitmap = resize(originalBitmap, Config.IMAGE_SIZE);
+			int rotation = getRotation(image);
+			scaledBitmap = rotate(scaledBitmap, rotation);
+			boolean targetSizeReached = false;
+			int quality = Config.IMAGE_QUALITY;
+			while(!targetSizeReached) {
+				os = new FileOutputStream(file);
+				boolean success = scaledBitmap.compress(Config.IMAGE_FORMAT, quality, os);
+				if (!success) {
+					throw new FileCopyException(R.string.error_compressing_image);
+				}
+				os.flush();
+				targetSizeReached = file.length() <= Config.IMAGE_MAX_SIZE || quality <= 50;
+				quality -= 5;
+			}
+			scaledBitmap.recycle();
+			return;
+		} catch (FileNotFoundException e) {
+			throw new FileCopyException(R.string.error_file_not_found);
+		} catch (IOException e) {
+			e.printStackTrace();
+			throw new FileCopyException(R.string.error_io_exception);
 		} catch (SecurityException e) {
-            throw new FileCopyException(R.string.error_security_exception_during_image_copy);
-        } catch (NullPointerException e) {
+			throw new FileCopyException(R.string.error_security_exception_during_image_copy);
+		} catch (OutOfMemoryError e) {
+			++sampleSize;
+			if (sampleSize <= 3) {
+				copyImageToPrivateStorage(file, image, sampleSize);
+			} else {
+				throw new FileCopyException(R.string.error_out_of_memory);
+			}
+		} catch (NullPointerException e) {
 			throw new FileCopyException(R.string.error_io_exception);
 		} finally {
 			StreamUtil.close(os);
+			StreamUtil.close(is);
+		}
+	}
+
+	public void copyImageToPrivateStorage(File file, Uri image) throws FileCopyException {
+		copyImageToPrivateStorage(file, image, 0);
+	}
+
+	public void copyImageToPrivateStorage(Message message, Uri image) throws FileCopyException {
+		switch(Config.IMAGE_FORMAT) {
+			case JPEG:
+				message.setRelativeFilePath(message.getUuid()+".jpg");
+				break;
+			case PNG:
+				message.setRelativeFilePath(message.getUuid()+".png");
+				break;
+			case WEBP:
+				message.setRelativeFilePath(message.getUuid()+".webp");
+				break;
 		}
-        return file;
+		copyImageToPrivateStorage(getFile(message), image);
+		updateFileParams(message);
 	}
 
-    public static Uri getTakePhotoUri() {
+	public static Uri getTakePhotoUri() {
 		StringBuilder pathBuilder = new StringBuilder();
 		pathBuilder.append(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM));
 		pathBuilder.append('/');
 		pathBuilder.append("Camera");
 		pathBuilder.append('/');
-		pathBuilder.append("IMG_" + imageDateFormat.format(new Date()) + ".jpg");
+		pathBuilder.append("IMG_" + this.imageDateFormat.format(new Date()) + ".jpg");
 		Uri uri = Uri.parse("file://" + pathBuilder.toString());
 		File file = new File(uri.toString());
 		file.getParentFile().mkdirs();