953 lines
30 KiB
Java
953 lines
30 KiB
Java
package eu.siacs.conversations.persistance;
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import android.annotation.TargetApi;
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import android.content.ContentResolver;
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import android.content.Context;
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import android.content.Intent;
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import android.database.Cursor;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import android.graphics.Canvas;
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import android.graphics.Matrix;
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import android.graphics.Paint;
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import android.graphics.RectF;
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import android.media.MediaMetadataRetriever;
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import android.net.Uri;
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import android.os.Build;
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import android.os.Environment;
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import android.os.ParcelFileDescriptor;
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import android.provider.MediaStore;
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import android.provider.OpenableColumns;
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import android.support.v4.content.FileProvider;
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import android.system.Os;
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import android.system.StructStat;
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import android.util.Base64;
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import android.util.Base64OutputStream;
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import android.util.Log;
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import android.util.LruCache;
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import android.webkit.MimeTypeMap;
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import java.io.ByteArrayOutputStream;
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import java.io.Closeable;
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import java.io.File;
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import java.io.FileDescriptor;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.FileOutputStream;
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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.Socket;
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import java.net.URL;
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import java.security.DigestOutputStream;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.List;
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import java.util.Locale;
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import eu.siacs.conversations.Config;
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import eu.siacs.conversations.R;
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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.services.XmppConnectionService;
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import eu.siacs.conversations.utils.CryptoHelper;
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import eu.siacs.conversations.utils.ExifHelper;
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import eu.siacs.conversations.utils.FileUtils;
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import eu.siacs.conversations.utils.FileWriterException;
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import eu.siacs.conversations.utils.MimeUtils;
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import eu.siacs.conversations.xmpp.pep.Avatar;
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public class FileBackend {
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private static final SimpleDateFormat IMAGE_DATE_FORMAT = new SimpleDateFormat("yyyyMMdd_HHmmss", Locale.US);
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private static final String FILE_PROVIDER = ".files";
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private XmppConnectionService mXmppConnectionService;
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public FileBackend(XmppConnectionService service) {
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this.mXmppConnectionService = service;
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}
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private void createNoMedia() {
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final File nomedia = new File(getConversationsFileDirectory()+".nomedia");
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if (!nomedia.exists()) {
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try {
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nomedia.createNewFile();
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} catch (Exception e) {
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Log.d(Config.LOGTAG, "could not create nomedia file");
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}
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}
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}
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public void updateMediaScanner(File file) {
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if (file.getAbsolutePath().startsWith(getConversationsImageDirectory())) {
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Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
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intent.setData(Uri.fromFile(file));
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mXmppConnectionService.sendBroadcast(intent);
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} else {
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createNoMedia();
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}
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}
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public boolean deleteFile(Message message) {
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File file = getFile(message);
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if (file.delete()) {
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updateMediaScanner(file);
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return true;
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} else {
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return false;
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}
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}
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public DownloadableFile getFile(Message message) {
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return getFile(message, true);
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}
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public DownloadableFile getFile(Message message, boolean decrypted) {
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final boolean encrypted = !decrypted
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&& (message.getEncryption() == Message.ENCRYPTION_PGP
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|| message.getEncryption() == Message.ENCRYPTION_DECRYPTED);
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final DownloadableFile file;
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String path = message.getRelativeFilePath();
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if (path == null) {
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path = message.getUuid();
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}
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if (path.startsWith("/")) {
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file = new DownloadableFile(path);
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} else {
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String mime = message.getMimeType();
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if (mime != null && mime.startsWith("image")) {
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file = new DownloadableFile(getConversationsImageDirectory() + path);
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} else {
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file = new DownloadableFile(getConversationsFileDirectory() + path);
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}
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}
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if (encrypted) {
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return new DownloadableFile(getConversationsFileDirectory() + file.getName() + ".pgp");
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} else {
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return file;
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}
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}
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private static long getFileSize(Context context, Uri uri) {
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Cursor cursor = context.getContentResolver().query(uri, null, null, null, null);
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if (cursor != null && cursor.moveToFirst()) {
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return cursor.getLong(cursor.getColumnIndex(OpenableColumns.SIZE));
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} else {
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return -1;
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}
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}
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public static boolean allFilesUnderSize(Context context, List<Uri> uris, long max) {
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if (max <= 0) {
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Log.d(Config.LOGTAG,"server did not report max file size for http upload");
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return true; //exception to be compatible with HTTP Upload < v0.2
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}
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for(Uri uri : uris) {
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if (FileBackend.getFileSize(context, uri) > max) {
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Log.d(Config.LOGTAG,"not all files are under "+max+" bytes. suggesting falling back to jingle");
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return false;
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}
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}
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return true;
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}
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public String getConversationsFileDirectory() {
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if (Config.ONLY_INTERNAL_STORAGE) {
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return mXmppConnectionService.getFilesDir().getAbsolutePath() + "/Files/";
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} else {
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return Environment.getExternalStorageDirectory().getAbsolutePath() + "/Conversations/";
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}
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}
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public String getConversationsImageDirectory() {
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if (Config.ONLY_INTERNAL_STORAGE) {
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return mXmppConnectionService.getFilesDir().getAbsolutePath()+"/Pictures/";
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} else {
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return Environment.getExternalStoragePublicDirectory(
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Environment.DIRECTORY_PICTURES).getAbsolutePath()
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+ "/Conversations/";
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}
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}
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public static String getConversationsLogsDirectory() {
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return Environment.getExternalStorageDirectory().getAbsolutePath()+"/Conversations/";
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}
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public Bitmap resize(Bitmap originalBitmap, int size) {
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int w = originalBitmap.getWidth();
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int h = originalBitmap.getHeight();
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if (Math.max(w, h) > size) {
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int scalledW;
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int scalledH;
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if (w <= h) {
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scalledW = (int) (w / ((double) h / size));
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scalledH = size;
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} else {
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scalledW = size;
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scalledH = (int) (h / ((double) w / size));
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}
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Bitmap result = Bitmap.createScaledBitmap(originalBitmap, scalledW, scalledH, true);
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if (originalBitmap != null && !originalBitmap.isRecycled()) {
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originalBitmap.recycle();
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}
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return result;
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} else {
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return originalBitmap;
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}
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}
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public static Bitmap rotate(Bitmap bitmap, int degree) {
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if (degree == 0) {
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return bitmap;
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}
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int w = bitmap.getWidth();
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int h = bitmap.getHeight();
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Matrix mtx = new Matrix();
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mtx.postRotate(degree);
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Bitmap result = Bitmap.createBitmap(bitmap, 0, 0, w, h, mtx, true);
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if (bitmap != null && !bitmap.isRecycled()) {
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bitmap.recycle();
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}
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return result;
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}
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public boolean useImageAsIs(Uri uri) {
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String path = getOriginalPath(uri);
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if (path == null) {
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return false;
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}
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File file = new File(path);
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long size = file.length();
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if (size == 0 || size >= Config.IMAGE_MAX_SIZE ) {
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return false;
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}
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BitmapFactory.Options options = new BitmapFactory.Options();
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options.inJustDecodeBounds = true;
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try {
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BitmapFactory.decodeStream(mXmppConnectionService.getContentResolver().openInputStream(uri), null, options);
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if (options == null || options.outMimeType == null || options.outHeight <= 0 || options.outWidth <= 0) {
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return false;
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}
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return (options.outWidth <= Config.IMAGE_SIZE && options.outHeight <= Config.IMAGE_SIZE && options.outMimeType.contains(Config.IMAGE_FORMAT.name().toLowerCase()));
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} catch (FileNotFoundException e) {
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return false;
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}
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}
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public String getOriginalPath(Uri uri) {
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return FileUtils.getPath(mXmppConnectionService,uri);
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}
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public void copyFileToPrivateStorage(File file, Uri uri) throws FileCopyException {
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Log.d(Config.LOGTAG,"copy file ("+uri.toString()+") to private storage "+file.getAbsolutePath());
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file.getParentFile().mkdirs();
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OutputStream os = null;
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InputStream is = null;
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try {
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file.createNewFile();
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os = new FileOutputStream(file);
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is = mXmppConnectionService.getContentResolver().openInputStream(uri);
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byte[] buffer = new byte[1024];
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int length;
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while ((length = is.read(buffer)) > 0) {
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try {
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os.write(buffer, 0, length);
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} catch (IOException e) {
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throw new FileWriterException();
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}
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}
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try {
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os.flush();
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} catch (IOException e) {
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throw new FileWriterException();
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}
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} catch(FileNotFoundException e) {
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throw new FileCopyException(R.string.error_file_not_found);
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} catch(FileWriterException e) {
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throw new FileCopyException(R.string.error_unable_to_create_temporary_file);
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} catch (IOException e) {
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e.printStackTrace();
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throw new FileCopyException(R.string.error_io_exception);
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} finally {
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close(os);
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close(is);
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}
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}
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public void copyFileToPrivateStorage(Message message, Uri uri) throws FileCopyException {
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String mime = MimeUtils.guessMimeTypeFromUri(mXmppConnectionService, uri);
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Log.d(Config.LOGTAG, "copy " + uri.toString() + " to private storage (mime="+mime+")");
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String extension = MimeTypeMap.getSingleton().getExtensionFromMimeType(mime);
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if (extension == null) {
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extension = getExtensionFromUri(uri);
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}
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message.setRelativeFilePath(message.getUuid() + "." + extension);
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copyFileToPrivateStorage(mXmppConnectionService.getFileBackend().getFile(message), uri);
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}
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private String getExtensionFromUri(Uri uri) {
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String[] projection = {MediaStore.MediaColumns.DATA};
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String filename = null;
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Cursor cursor = mXmppConnectionService.getContentResolver().query(uri, projection, null, null, null);
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if (cursor != null) {
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try {
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if (cursor.moveToFirst()) {
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filename = cursor.getString(0);
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}
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} catch (Exception e) {
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filename = null;
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} finally {
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cursor.close();
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}
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}
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int pos = filename == null ? -1 : filename.lastIndexOf('.');
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return pos > 0 ? filename.substring(pos+1) : null;
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}
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private void copyImageToPrivateStorage(File file, Uri image, int sampleSize) throws FileCopyException {
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file.getParentFile().mkdirs();
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InputStream is = null;
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OutputStream os = null;
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try {
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if (!file.exists() && !file.createNewFile()) {
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throw new FileCopyException(R.string.error_unable_to_create_temporary_file);
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}
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is = mXmppConnectionService.getContentResolver().openInputStream(image);
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if (is == null) {
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throw new FileCopyException(R.string.error_not_an_image_file);
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}
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Bitmap originalBitmap;
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BitmapFactory.Options options = new BitmapFactory.Options();
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int inSampleSize = (int) Math.pow(2, sampleSize);
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Log.d(Config.LOGTAG, "reading bitmap with sample size " + inSampleSize);
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options.inSampleSize = inSampleSize;
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originalBitmap = BitmapFactory.decodeStream(is, null, options);
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is.close();
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if (originalBitmap == null) {
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throw new FileCopyException(R.string.error_not_an_image_file);
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}
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Bitmap scaledBitmap = resize(originalBitmap, Config.IMAGE_SIZE);
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int rotation = getRotation(image);
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scaledBitmap = rotate(scaledBitmap, rotation);
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boolean targetSizeReached = false;
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int quality = Config.IMAGE_QUALITY;
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while(!targetSizeReached) {
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os = new FileOutputStream(file);
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boolean success = scaledBitmap.compress(Config.IMAGE_FORMAT, quality, os);
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if (!success) {
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throw new FileCopyException(R.string.error_compressing_image);
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}
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os.flush();
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targetSizeReached = file.length() <= Config.IMAGE_MAX_SIZE || quality <= 50;
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quality -= 5;
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}
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scaledBitmap.recycle();
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} catch (FileNotFoundException e) {
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throw new FileCopyException(R.string.error_file_not_found);
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} catch (IOException e) {
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e.printStackTrace();
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throw new FileCopyException(R.string.error_io_exception);
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} catch (SecurityException e) {
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throw new FileCopyException(R.string.error_security_exception_during_image_copy);
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} catch (OutOfMemoryError e) {
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++sampleSize;
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if (sampleSize <= 3) {
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copyImageToPrivateStorage(file, image, sampleSize);
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} else {
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throw new FileCopyException(R.string.error_out_of_memory);
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}
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} finally {
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close(os);
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close(is);
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}
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}
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public void copyImageToPrivateStorage(File file, Uri image) throws FileCopyException {
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Log.d(Config.LOGTAG,"copy image ("+image.toString()+") to private storage "+file.getAbsolutePath());
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copyImageToPrivateStorage(file, image, 0);
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}
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public void copyImageToPrivateStorage(Message message, Uri image) throws FileCopyException {
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switch(Config.IMAGE_FORMAT) {
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case JPEG:
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message.setRelativeFilePath(message.getUuid()+".jpg");
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break;
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case PNG:
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message.setRelativeFilePath(message.getUuid()+".png");
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break;
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case WEBP:
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message.setRelativeFilePath(message.getUuid()+".webp");
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break;
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}
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copyImageToPrivateStorage(getFile(message), image);
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updateFileParams(message);
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}
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private int getRotation(File file) {
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return getRotation(Uri.parse("file://"+file.getAbsolutePath()));
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}
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private int getRotation(Uri image) {
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InputStream is = null;
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try {
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is = mXmppConnectionService.getContentResolver().openInputStream(image);
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return ExifHelper.getOrientation(is);
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} catch (FileNotFoundException e) {
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return 0;
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} finally {
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close(is);
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}
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}
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public Bitmap getThumbnail(Message message, int size, boolean cacheOnly) throws FileNotFoundException {
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final String uuid = message.getUuid();
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final LruCache<String,Bitmap> cache = mXmppConnectionService.getBitmapCache();
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Bitmap thumbnail = cache.get(uuid);
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if ((thumbnail == null) && (!cacheOnly)) {
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synchronized (cache) {
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thumbnail = cache.get(uuid);
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if (thumbnail != null) {
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return thumbnail;
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}
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DownloadableFile file = getFile(message);
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final String mime = file.getMimeType();
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if (mime.startsWith("video/")) {
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thumbnail = getVideoPreview(file, size);
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} else {
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Bitmap fullsize = getFullsizeImagePreview(file, size);
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if (fullsize == null) {
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throw new FileNotFoundException();
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}
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thumbnail = resize(fullsize, size);
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thumbnail = rotate(thumbnail, getRotation(file));
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if (mime.equals("image/gif")) {
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Bitmap withGifOverlay = thumbnail.copy(Bitmap.Config.ARGB_8888,true);
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drawOverlay(withGifOverlay,R.drawable.play_gif,1.0f);
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thumbnail.recycle();
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thumbnail = withGifOverlay;
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}
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}
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this.mXmppConnectionService.getBitmapCache().put(uuid, thumbnail);
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}
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}
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return thumbnail;
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}
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private Bitmap getFullsizeImagePreview(File file, int size) {
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BitmapFactory.Options options = new BitmapFactory.Options();
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options.inSampleSize = calcSampleSize(file, size);
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try {
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return BitmapFactory.decodeFile(file.getAbsolutePath(), options);
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} catch (OutOfMemoryError e) {
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options.inSampleSize *= 2;
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return BitmapFactory.decodeFile(file.getAbsolutePath(), options);
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}
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}
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private void drawOverlay(Bitmap bitmap, int resource, float factor) {
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Bitmap overlay = BitmapFactory.decodeResource(mXmppConnectionService.getResources(), resource);
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Canvas canvas = new Canvas(bitmap);
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Paint paint = new Paint();
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paint.setAntiAlias(true);
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paint.setFilterBitmap(true);
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paint.setDither(true);
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float targetSize = Math.min(canvas.getWidth(),canvas.getHeight()) * factor;
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Log.d(Config.LOGTAG,"target size overlay: "+targetSize+" overlay bitmap size was "+overlay.getHeight());
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float left = (canvas.getWidth() - targetSize) / 2.0f;
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float top = (canvas.getHeight() - targetSize) / 2.0f;
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RectF dst = new RectF(left,top,left+targetSize-1,top+targetSize-1);
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canvas.drawBitmap(overlay,null,dst,paint);
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}
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private Bitmap getVideoPreview(File file, int size) {
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MediaMetadataRetriever metadataRetriever = new MediaMetadataRetriever();
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Bitmap frame;
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try {
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metadataRetriever.setDataSource(file.getAbsolutePath());
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frame = metadataRetriever.getFrameAtTime(0);
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metadataRetriever.release();
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frame = resize(frame, size);
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} catch(IllegalArgumentException | NullPointerException e) {
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frame = Bitmap.createBitmap(size,size, Bitmap.Config.ARGB_8888);
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frame.eraseColor(0xff000000);
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}
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drawOverlay(frame,R.drawable.play_video,0.75f);
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return frame;
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}
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private static String getTakePhotoPath() {
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return Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM)+"/Camera/";
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}
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public Uri getTakePhotoUri() {
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File file;
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if (Config.ONLY_INTERNAL_STORAGE) {
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file = new File(mXmppConnectionService.getCacheDir().getAbsolutePath(), "Camera/IMG_" + this.IMAGE_DATE_FORMAT.format(new Date()) + ".jpg");
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} else {
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file = new File(getTakePhotoPath() + "IMG_" + this.IMAGE_DATE_FORMAT.format(new Date()) + ".jpg");
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}
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file.getParentFile().mkdirs();
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return getUriForFile(mXmppConnectionService,file);
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}
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public static Uri getUriForFile(Context context, File file) {
|
|
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N || Config.ONLY_INTERNAL_STORAGE) {
|
|
try {
|
|
String packageId = context.getPackageName();
|
|
return FileProvider.getUriForFile(context, packageId + FILE_PROVIDER, file);
|
|
} catch(IllegalArgumentException e) {
|
|
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
|
|
throw new SecurityException();
|
|
} else {
|
|
return Uri.fromFile(file);
|
|
}
|
|
}
|
|
} else {
|
|
return Uri.fromFile(file);
|
|
}
|
|
}
|
|
|
|
public static Uri getIndexableTakePhotoUri(Uri original) {
|
|
if (Config.ONLY_INTERNAL_STORAGE || "file".equals(original.getScheme())) {
|
|
return original;
|
|
} else {
|
|
List<String> segments = original.getPathSegments();
|
|
return Uri.parse("file://"+getTakePhotoPath()+segments.get(segments.size() - 1));
|
|
}
|
|
}
|
|
|
|
public Avatar getPepAvatar(Uri image, int size, Bitmap.CompressFormat format) {
|
|
try {
|
|
Avatar avatar = new Avatar();
|
|
Bitmap bm = cropCenterSquare(image, size);
|
|
if (bm == null) {
|
|
return null;
|
|
}
|
|
ByteArrayOutputStream mByteArrayOutputStream = new ByteArrayOutputStream();
|
|
Base64OutputStream mBase64OutputStream = new Base64OutputStream(
|
|
mByteArrayOutputStream, Base64.DEFAULT);
|
|
MessageDigest digest = MessageDigest.getInstance("SHA-1");
|
|
DigestOutputStream mDigestOutputStream = new DigestOutputStream(
|
|
mBase64OutputStream, digest);
|
|
if (!bm.compress(format, 75, mDigestOutputStream)) {
|
|
return null;
|
|
}
|
|
mDigestOutputStream.flush();
|
|
mDigestOutputStream.close();
|
|
avatar.sha1sum = CryptoHelper.bytesToHex(digest.digest());
|
|
avatar.image = new String(mByteArrayOutputStream.toByteArray());
|
|
return avatar;
|
|
} catch (NoSuchAlgorithmException e) {
|
|
return null;
|
|
} catch (IOException e) {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public Avatar getStoredPepAvatar(String hash) {
|
|
if (hash == null) {
|
|
return null;
|
|
}
|
|
Avatar avatar = new Avatar();
|
|
File file = new File(getAvatarPath(hash));
|
|
FileInputStream is = null;
|
|
try {
|
|
avatar.size = file.length();
|
|
BitmapFactory.Options options = new BitmapFactory.Options();
|
|
options.inJustDecodeBounds = true;
|
|
BitmapFactory.decodeFile(file.getAbsolutePath(), options);
|
|
is = new FileInputStream(file);
|
|
ByteArrayOutputStream mByteArrayOutputStream = new ByteArrayOutputStream();
|
|
Base64OutputStream mBase64OutputStream = new Base64OutputStream(mByteArrayOutputStream, Base64.DEFAULT);
|
|
MessageDigest digest = MessageDigest.getInstance("SHA-1");
|
|
DigestOutputStream os = new DigestOutputStream(mBase64OutputStream, digest);
|
|
byte[] buffer = new byte[4096];
|
|
int length;
|
|
while ((length = is.read(buffer)) > 0) {
|
|
os.write(buffer, 0, length);
|
|
}
|
|
os.flush();
|
|
os.close();
|
|
avatar.sha1sum = CryptoHelper.bytesToHex(digest.digest());
|
|
avatar.image = new String(mByteArrayOutputStream.toByteArray());
|
|
avatar.height = options.outHeight;
|
|
avatar.width = options.outWidth;
|
|
avatar.type = options.outMimeType;
|
|
return avatar;
|
|
} catch (IOException e) {
|
|
return null;
|
|
} catch (NoSuchAlgorithmException e) {
|
|
return null;
|
|
} finally {
|
|
close(is);
|
|
}
|
|
}
|
|
|
|
public boolean isAvatarCached(Avatar avatar) {
|
|
File file = new File(getAvatarPath(avatar.getFilename()));
|
|
return file.exists();
|
|
}
|
|
|
|
public boolean save(Avatar avatar) {
|
|
File file;
|
|
if (isAvatarCached(avatar)) {
|
|
file = new File(getAvatarPath(avatar.getFilename()));
|
|
avatar.size = file.length();
|
|
} else {
|
|
String filename = getAvatarPath(avatar.getFilename());
|
|
file = new File(filename + ".tmp");
|
|
file.getParentFile().mkdirs();
|
|
OutputStream os = null;
|
|
try {
|
|
file.createNewFile();
|
|
os = new FileOutputStream(file);
|
|
MessageDigest digest = MessageDigest.getInstance("SHA-1");
|
|
digest.reset();
|
|
DigestOutputStream mDigestOutputStream = new DigestOutputStream(os, digest);
|
|
final byte[] bytes = avatar.getImageAsBytes();
|
|
mDigestOutputStream.write(bytes);
|
|
mDigestOutputStream.flush();
|
|
mDigestOutputStream.close();
|
|
String sha1sum = CryptoHelper.bytesToHex(digest.digest());
|
|
if (sha1sum.equals(avatar.sha1sum)) {
|
|
file.renameTo(new File(filename));
|
|
} else {
|
|
Log.d(Config.LOGTAG, "sha1sum mismatch for " + avatar.owner);
|
|
file.delete();
|
|
return false;
|
|
}
|
|
avatar.size = bytes.length;
|
|
} catch (IllegalArgumentException | IOException | NoSuchAlgorithmException e) {
|
|
return false;
|
|
} finally {
|
|
close(os);
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
public String getAvatarPath(String avatar) {
|
|
return mXmppConnectionService.getFilesDir().getAbsolutePath()+ "/avatars/" + avatar;
|
|
}
|
|
|
|
public Uri getAvatarUri(String avatar) {
|
|
return Uri.parse("file:" + getAvatarPath(avatar));
|
|
}
|
|
|
|
public Bitmap cropCenterSquare(Uri image, int size) {
|
|
if (image == null) {
|
|
return null;
|
|
}
|
|
InputStream is = null;
|
|
try {
|
|
BitmapFactory.Options options = new BitmapFactory.Options();
|
|
options.inSampleSize = calcSampleSize(image, size);
|
|
is = mXmppConnectionService.getContentResolver().openInputStream(image);
|
|
if (is == null) {
|
|
return null;
|
|
}
|
|
Bitmap input = BitmapFactory.decodeStream(is, null, options);
|
|
if (input == null) {
|
|
return null;
|
|
} else {
|
|
input = rotate(input, getRotation(image));
|
|
return cropCenterSquare(input, size);
|
|
}
|
|
} catch (SecurityException e) {
|
|
return null; // happens for example on Android 6.0 if contacts permissions get revoked
|
|
} catch (FileNotFoundException e) {
|
|
return null;
|
|
} finally {
|
|
close(is);
|
|
}
|
|
}
|
|
|
|
public Bitmap cropCenter(Uri image, int newHeight, int newWidth) {
|
|
if (image == null) {
|
|
return null;
|
|
}
|
|
InputStream is = null;
|
|
try {
|
|
BitmapFactory.Options options = new BitmapFactory.Options();
|
|
options.inSampleSize = calcSampleSize(image, Math.max(newHeight, newWidth));
|
|
is = mXmppConnectionService.getContentResolver().openInputStream(image);
|
|
if (is == null) {
|
|
return null;
|
|
}
|
|
Bitmap source = BitmapFactory.decodeStream(is, null, options);
|
|
if (source == null) {
|
|
return null;
|
|
}
|
|
int sourceWidth = source.getWidth();
|
|
int sourceHeight = source.getHeight();
|
|
float xScale = (float) newWidth / sourceWidth;
|
|
float yScale = (float) newHeight / sourceHeight;
|
|
float scale = Math.max(xScale, yScale);
|
|
float scaledWidth = scale * sourceWidth;
|
|
float scaledHeight = scale * sourceHeight;
|
|
float left = (newWidth - scaledWidth) / 2;
|
|
float top = (newHeight - scaledHeight) / 2;
|
|
|
|
RectF targetRect = new RectF(left, top, left + scaledWidth, top + scaledHeight);
|
|
Bitmap dest = Bitmap.createBitmap(newWidth, newHeight, Bitmap.Config.ARGB_8888);
|
|
Canvas canvas = new Canvas(dest);
|
|
canvas.drawBitmap(source, null, targetRect, null);
|
|
if (source.isRecycled()) {
|
|
source.recycle();
|
|
}
|
|
return dest;
|
|
} catch (SecurityException e) {
|
|
return null; //android 6.0 with revoked permissions for example
|
|
} catch (FileNotFoundException e) {
|
|
return null;
|
|
} finally {
|
|
close(is);
|
|
}
|
|
}
|
|
|
|
public Bitmap cropCenterSquare(Bitmap input, int size) {
|
|
int w = input.getWidth();
|
|
int h = input.getHeight();
|
|
|
|
float scale = Math.max((float) size / h, (float) size / w);
|
|
|
|
float outWidth = scale * w;
|
|
float outHeight = scale * h;
|
|
float left = (size - outWidth) / 2;
|
|
float top = (size - outHeight) / 2;
|
|
RectF target = new RectF(left, top, left + outWidth, top + outHeight);
|
|
|
|
Bitmap output = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
|
|
Canvas canvas = new Canvas(output);
|
|
canvas.drawBitmap(input, null, target, null);
|
|
if (input != null && !input.isRecycled()) {
|
|
input.recycle();
|
|
}
|
|
return output;
|
|
}
|
|
|
|
private int calcSampleSize(Uri image, int size) throws FileNotFoundException, SecurityException {
|
|
BitmapFactory.Options options = new BitmapFactory.Options();
|
|
options.inJustDecodeBounds = true;
|
|
BitmapFactory.decodeStream(mXmppConnectionService.getContentResolver().openInputStream(image), null, options);
|
|
return calcSampleSize(options, size);
|
|
}
|
|
|
|
private static int calcSampleSize(File image, int size) {
|
|
BitmapFactory.Options options = new BitmapFactory.Options();
|
|
options.inJustDecodeBounds = true;
|
|
BitmapFactory.decodeFile(image.getAbsolutePath(), options);
|
|
return calcSampleSize(options, size);
|
|
}
|
|
|
|
public static int calcSampleSize(BitmapFactory.Options options, int size) {
|
|
int height = options.outHeight;
|
|
int width = options.outWidth;
|
|
int inSampleSize = 1;
|
|
|
|
if (height > size || width > size) {
|
|
int halfHeight = height / 2;
|
|
int halfWidth = width / 2;
|
|
|
|
while ((halfHeight / inSampleSize) > size
|
|
&& (halfWidth / inSampleSize) > size) {
|
|
inSampleSize *= 2;
|
|
}
|
|
}
|
|
return inSampleSize;
|
|
}
|
|
|
|
public void updateFileParams(Message message) {
|
|
updateFileParams(message,null);
|
|
}
|
|
|
|
public void updateFileParams(Message message, URL url) {
|
|
DownloadableFile file = getFile(message);
|
|
final String mime = file.getMimeType();
|
|
boolean image = message.getType() == Message.TYPE_IMAGE || (mime != null && mime.startsWith("image/"));
|
|
boolean video = mime != null && mime.startsWith("video/");
|
|
if (image || video) {
|
|
try {
|
|
Dimensions dimensions = image ? getImageDimensions(file) : getVideoDimensions(file);
|
|
if (url == null) {
|
|
message.setBody(Long.toString(file.getSize()) + '|' + dimensions.width + '|' + dimensions.height);
|
|
} else {
|
|
message.setBody(url.toString() + "|" + Long.toString(file.getSize()) + '|' + dimensions.width + '|' + dimensions.height);
|
|
}
|
|
return;
|
|
} catch (NotAVideoFile notAVideoFile) {
|
|
Log.d(Config.LOGTAG,"file with mime type "+file.getMimeType()+" was not a video file");
|
|
//fall threw
|
|
}
|
|
}
|
|
if (url != null) {
|
|
message.setBody(url.toString()+"|"+Long.toString(file.getSize()));
|
|
} else {
|
|
message.setBody(Long.toString(file.getSize()));
|
|
}
|
|
|
|
}
|
|
|
|
private Dimensions getImageDimensions(File file) {
|
|
BitmapFactory.Options options = new BitmapFactory.Options();
|
|
options.inJustDecodeBounds = true;
|
|
BitmapFactory.decodeFile(file.getAbsolutePath(), options);
|
|
int rotation = getRotation(file);
|
|
boolean rotated = rotation == 90 || rotation == 270;
|
|
int imageHeight = rotated ? options.outWidth : options.outHeight;
|
|
int imageWidth = rotated ? options.outHeight : options.outWidth;
|
|
return new Dimensions(imageHeight, imageWidth);
|
|
}
|
|
|
|
private Dimensions getVideoDimensions(File file) throws NotAVideoFile {
|
|
MediaMetadataRetriever metadataRetriever = new MediaMetadataRetriever();
|
|
try {
|
|
metadataRetriever.setDataSource(file.getAbsolutePath());
|
|
} catch (Exception e) {
|
|
throw new NotAVideoFile();
|
|
}
|
|
String hasVideo = metadataRetriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_HAS_VIDEO);
|
|
if (hasVideo == null) {
|
|
throw new NotAVideoFile();
|
|
}
|
|
int rotation = extractRotationFromMediaRetriever(metadataRetriever);
|
|
boolean rotated = rotation == 90 || rotation == 270;
|
|
int height;
|
|
try {
|
|
String h = metadataRetriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_VIDEO_HEIGHT);
|
|
height = Integer.parseInt(h);
|
|
} catch (Exception e) {
|
|
height = -1;
|
|
}
|
|
int width;
|
|
try {
|
|
String w = metadataRetriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_VIDEO_WIDTH);
|
|
width = Integer.parseInt(w);
|
|
} catch (Exception e) {
|
|
width = -1;
|
|
}
|
|
metadataRetriever.release();
|
|
Log.d(Config.LOGTAG,"extracted video dims "+width+"x"+height);
|
|
return rotated ? new Dimensions(width, height) : new Dimensions(height, width);
|
|
}
|
|
|
|
private int extractRotationFromMediaRetriever(MediaMetadataRetriever metadataRetriever) {
|
|
int rotation;
|
|
if (Build.VERSION.SDK_INT >= 17) {
|
|
String r = metadataRetriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_VIDEO_ROTATION);
|
|
try {
|
|
rotation = Integer.parseInt(r);
|
|
} catch (Exception e) {
|
|
rotation = 0;
|
|
}
|
|
} else {
|
|
rotation = 0;
|
|
}
|
|
return rotation;
|
|
}
|
|
|
|
private class Dimensions {
|
|
public final int width;
|
|
public final int height;
|
|
|
|
public Dimensions(int height, int width) {
|
|
this.width = width;
|
|
this.height = height;
|
|
}
|
|
}
|
|
|
|
private class NotAVideoFile extends Exception {
|
|
|
|
}
|
|
|
|
public class FileCopyException extends Exception {
|
|
private static final long serialVersionUID = -1010013599132881427L;
|
|
private int resId;
|
|
|
|
public FileCopyException(int resId) {
|
|
this.resId = resId;
|
|
}
|
|
|
|
public int getResId() {
|
|
return resId;
|
|
}
|
|
}
|
|
|
|
public Bitmap getAvatar(String avatar, int size) {
|
|
if (avatar == null) {
|
|
return null;
|
|
}
|
|
Bitmap bm = cropCenter(getAvatarUri(avatar), size, size);
|
|
if (bm == null) {
|
|
return null;
|
|
}
|
|
return bm;
|
|
}
|
|
|
|
public boolean isFileAvailable(Message message) {
|
|
return getFile(message).exists();
|
|
}
|
|
|
|
public static void close(Closeable stream) {
|
|
if (stream != null) {
|
|
try {
|
|
stream.close();
|
|
} catch (IOException e) {
|
|
}
|
|
}
|
|
}
|
|
|
|
public static void close(Socket socket) {
|
|
if (socket != null) {
|
|
try {
|
|
socket.close();
|
|
} catch (IOException e) {
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
public static boolean weOwnFile(Context context, Uri uri) {
|
|
if (uri == null || !ContentResolver.SCHEME_FILE.equals(uri.getScheme())) {
|
|
return false;
|
|
} else if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
|
|
return fileIsInFilesDir(context, uri);
|
|
} else {
|
|
return weOwnFileLollipop(uri);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* This is more than hacky but probably way better than doing nothing
|
|
* Further 'optimizations' might contain to get the parents of CacheDir and NoBackupDir
|
|
* and check against those as well
|
|
*/
|
|
private static boolean fileIsInFilesDir(Context context, Uri uri) {
|
|
try {
|
|
final String haystack = context.getFilesDir().getParentFile().getCanonicalPath();
|
|
final String needle = new File(uri.getPath()).getCanonicalPath();
|
|
return needle.startsWith(haystack);
|
|
} catch (IOException e) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
|
|
private static boolean weOwnFileLollipop(Uri uri) {
|
|
try {
|
|
File file = new File(uri.getPath());
|
|
FileDescriptor fd = ParcelFileDescriptor.open(file, ParcelFileDescriptor.MODE_READ_ONLY).getFileDescriptor();
|
|
StructStat st = Os.fstat(fd);
|
|
return st.st_uid == android.os.Process.myUid();
|
|
} catch (FileNotFoundException e) {
|
|
return false;
|
|
} catch (Exception e) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|