1package eu.siacs.conversations.persistance;
2
3import android.content.ContentResolver;
4import android.content.Context;
5import android.content.res.AssetFileDescriptor;
6import android.content.res.Resources;
7import android.database.Cursor;
8import android.graphics.Bitmap;
9import android.graphics.BitmapFactory;
10import android.graphics.Canvas;
11import android.graphics.Color;
12import android.graphics.drawable.BitmapDrawable;
13import android.graphics.drawable.Drawable;
14import android.graphics.ImageDecoder;
15import android.graphics.Matrix;
16import android.graphics.Paint;
17import android.graphics.Rect;
18import android.graphics.RectF;
19import android.graphics.pdf.PdfRenderer;
20import android.media.MediaMetadataRetriever;
21import android.media.MediaScannerConnection;
22import android.net.Uri;
23import android.os.Build;
24import android.os.Environment;
25import android.os.ParcelFileDescriptor;
26import android.provider.MediaStore;
27import android.provider.OpenableColumns;
28import android.system.Os;
29import android.system.StructStat;
30import android.util.Base64;
31import android.util.DisplayMetrics;
32import android.util.Pair;
33import android.util.Log;
34import android.util.LruCache;
35import androidx.annotation.RequiresApi;
36import androidx.annotation.StringRes;
37import androidx.core.content.FileProvider;
38import androidx.documentfile.provider.DocumentFile;
39import androidx.exifinterface.media.ExifInterface;
40
41import com.caverock.androidsvg.SVG;
42import com.caverock.androidsvg.SVGParseException;
43
44import com.cheogram.android.BobTransfer;
45
46import com.google.common.base.Strings;
47import com.google.common.collect.ImmutableList;
48import com.google.common.io.ByteStreams;
49
50import com.madebyevan.thumbhash.ThumbHash;
51
52import com.wolt.blurhashkt.BlurHashDecoder;
53
54import eu.siacs.conversations.Config;
55import eu.siacs.conversations.R;
56import eu.siacs.conversations.entities.Conversation;
57import eu.siacs.conversations.entities.DownloadableFile;
58import eu.siacs.conversations.entities.Message;
59import eu.siacs.conversations.services.AttachFileToConversationRunnable;
60import eu.siacs.conversations.services.XmppConnectionService;
61import eu.siacs.conversations.ui.adapter.MediaAdapter;
62import eu.siacs.conversations.ui.util.Attachment;
63import eu.siacs.conversations.utils.CryptoHelper;
64import eu.siacs.conversations.utils.FileUtils;
65import eu.siacs.conversations.utils.FileWriterException;
66import eu.siacs.conversations.utils.MimeUtils;
67import eu.siacs.conversations.xmpp.pep.Avatar;
68
69import java.io.ByteArrayInputStream;
70import java.io.ByteArrayOutputStream;
71import java.io.Closeable;
72import java.io.File;
73import java.io.FileDescriptor;
74import java.io.FileInputStream;
75import java.io.FileNotFoundException;
76import java.io.FileOutputStream;
77import java.io.IOException;
78import java.io.InputStream;
79import java.io.OutputStream;
80import java.net.ServerSocket;
81import java.net.Socket;
82import java.nio.ByteBuffer;
83import java.security.DigestOutputStream;
84import java.security.MessageDigest;
85import java.security.NoSuchAlgorithmException;
86import java.text.SimpleDateFormat;
87import java.util.ArrayList;
88import java.util.Arrays;
89import java.util.Date;
90import java.util.List;
91import java.util.Locale;
92import java.util.UUID;
93import java.util.zip.ZipEntry;
94import java.util.zip.ZipFile;
95
96import org.tomlj.Toml;
97import org.tomlj.TomlTable;
98
99import io.ipfs.cid.Cid;
100
101public class FileBackend {
102
103 private static final Object THUMBNAIL_LOCK = new Object();
104
105 private static final SimpleDateFormat IMAGE_DATE_FORMAT =
106 new SimpleDateFormat("yyyyMMdd_HHmmss", Locale.US);
107
108 private static final String FILE_PROVIDER = ".files";
109 private static final float IGNORE_PADDING = 0.15f;
110 private final XmppConnectionService mXmppConnectionService;
111
112 private static final List<String> STORAGE_TYPES;
113
114 static {
115 final ImmutableList.Builder<String> builder =
116 new ImmutableList.Builder<String>()
117 .add(
118 Environment.DIRECTORY_DOWNLOADS,
119 Environment.DIRECTORY_PICTURES,
120 Environment.DIRECTORY_MOVIES);
121 if (Build.VERSION.SDK_INT >= 19) {
122 builder.add(Environment.DIRECTORY_DOCUMENTS);
123 }
124 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
125 builder.add(Environment.DIRECTORY_RECORDINGS);
126 }
127 STORAGE_TYPES = builder.build();
128 }
129
130 public FileBackend(XmppConnectionService service) {
131 this.mXmppConnectionService = service;
132 }
133
134 public static long getFileSize(Context context, Uri uri) {
135 try (final Cursor cursor =
136 context.getContentResolver().query(uri, null, null, null, null)) {
137 if (cursor != null && cursor.moveToFirst()) {
138 final int index = cursor.getColumnIndex(OpenableColumns.SIZE);
139 if (index == -1) {
140 return -1;
141 }
142 return cursor.getLong(index);
143 }
144 return -1;
145 } catch (final Exception ignored) {
146 return -1;
147 }
148 }
149
150 public static boolean allFilesUnderSize(
151 Context context, List<Attachment> attachments, final Long max) {
152 final boolean compressVideo =
153 !AttachFileToConversationRunnable.getVideoCompression(context)
154 .equals("uncompressed");
155 if (max == null || max <= 0) {
156 Log.d(Config.LOGTAG, "server did not report max file size for http upload");
157 return true; // exception to be compatible with HTTP Upload < v0.2
158 }
159 for (Attachment attachment : attachments) {
160 if (attachment.getType() != Attachment.Type.FILE) {
161 continue;
162 }
163 String mime = attachment.getMime();
164 if (mime != null && mime.startsWith("video/") && compressVideo) {
165 try {
166 Dimensions dimensions =
167 FileBackend.getVideoDimensions(context, attachment.getUri());
168 if (dimensions.getMin() > 720) {
169 Log.d(
170 Config.LOGTAG,
171 "do not consider video file with min width larger than 720 for size"
172 + " check");
173 continue;
174 }
175 } catch (final IOException | NotAVideoFile e) {
176 // ignore and fall through
177 }
178 }
179 if (FileBackend.getFileSize(context, attachment.getUri()) > max) {
180 Log.d(
181 Config.LOGTAG,
182 "not all files are under "
183 + max
184 + " bytes. suggesting falling back to jingle");
185 return false;
186 }
187 }
188 return true;
189 }
190
191 public static File getBackupDirectory(final Context context) {
192 final File conversationsDownloadDirectory =
193 new File(
194 Environment.getExternalStoragePublicDirectory(
195 Environment.DIRECTORY_DOWNLOADS),
196 context.getString(R.string.app_name));
197 return new File(conversationsDownloadDirectory, "Backup");
198 }
199
200 public static File getLegacyBackupDirectory(final String app) {
201 final File appDirectory = new File(Environment.getExternalStorageDirectory(), app);
202 return new File(appDirectory, "Backup");
203 }
204
205 private static Bitmap rotate(final Bitmap bitmap, final int degree) {
206 if (degree == 0) {
207 return bitmap;
208 }
209 final int w = bitmap.getWidth();
210 final int h = bitmap.getHeight();
211 final Matrix matrix = new Matrix();
212 matrix.postRotate(degree);
213 final Bitmap result = Bitmap.createBitmap(bitmap, 0, 0, w, h, matrix, true);
214 if (!bitmap.isRecycled()) {
215 bitmap.recycle();
216 }
217 return result;
218 }
219
220 public static boolean isPathBlacklisted(String path) {
221 final String androidDataPath =
222 Environment.getExternalStorageDirectory().getAbsolutePath() + "/Android/data/";
223 final File f = new File(path);
224 return path.startsWith(androidDataPath) || path.contains(".transforms/synthetic") || !f.canRead();
225 }
226
227 private static Paint createAntiAliasingPaint() {
228 Paint paint = new Paint();
229 paint.setAntiAlias(true);
230 paint.setFilterBitmap(true);
231 paint.setDither(true);
232 return paint;
233 }
234
235 public static Uri getUriForUri(Context context, Uri uri) {
236 if ("file".equals(uri.getScheme())) {
237 final var file = new File(uri.getPath());
238 return getUriForFile(context, file, file.getName());
239 } else {
240 return uri;
241 }
242 }
243
244 public static Uri getUriForFile(Context context, File file, final String displayName) {
245 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N || Config.ONLY_INTERNAL_STORAGE || file.toString().startsWith(context.getCacheDir().toString())) {
246 try {
247 return FileProvider.getUriForFile(context, getAuthority(context), file, displayName);
248 } catch (IllegalArgumentException e) {
249 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
250 throw new SecurityException(e);
251 } else {
252 return Uri.fromFile(file);
253 }
254 }
255 } else {
256 return Uri.fromFile(file);
257 }
258 }
259
260 public static String getAuthority(Context context) {
261 return context.getPackageName() + FILE_PROVIDER;
262 }
263
264 public static boolean hasAlpha(final Bitmap bitmap) {
265 final int w = bitmap.getWidth();
266 final int h = bitmap.getHeight();
267 final int yStep = Math.max(1, w / 100);
268 final int xStep = Math.max(1, h / 100);
269 for (int x = 0; x < w; x += xStep) {
270 for (int y = 0; y < h; y += yStep) {
271 if (Color.alpha(bitmap.getPixel(x, y)) < 255) {
272 return true;
273 }
274 }
275 }
276 return false;
277 }
278
279 private static int calcSampleSize(File image, int size) {
280 BitmapFactory.Options options = new BitmapFactory.Options();
281 options.inJustDecodeBounds = true;
282 BitmapFactory.decodeFile(image.getAbsolutePath(), options);
283 return calcSampleSize(options, size);
284 }
285
286 private static int calcSampleSize(BitmapFactory.Options options, int size) {
287 int height = options.outHeight;
288 int width = options.outWidth;
289 int inSampleSize = 1;
290
291 if (height > size || width > size) {
292 int halfHeight = height / 2;
293 int halfWidth = width / 2;
294
295 while ((halfHeight / inSampleSize) > size && (halfWidth / inSampleSize) > size) {
296 inSampleSize *= 2;
297 }
298 }
299 return inSampleSize;
300 }
301
302 private static Dimensions getVideoDimensions(Context context, Uri uri)
303 throws NotAVideoFile, IOException {
304 MediaMetadataRetriever mediaMetadataRetriever = new MediaMetadataRetriever();
305 try {
306 mediaMetadataRetriever.setDataSource(context, uri);
307 } catch (RuntimeException e) {
308 throw new NotAVideoFile(e);
309 }
310 return getVideoDimensions(mediaMetadataRetriever);
311 }
312
313 private static Dimensions getVideoDimensionsOfFrame(
314 MediaMetadataRetriever mediaMetadataRetriever) {
315 Bitmap bitmap = null;
316 try {
317 bitmap = mediaMetadataRetriever.getFrameAtTime();
318 return new Dimensions(bitmap.getHeight(), bitmap.getWidth());
319 } catch (Exception e) {
320 return null;
321 } finally {
322 if (bitmap != null) {
323 bitmap.recycle();
324 }
325 }
326 }
327
328 private static Dimensions getVideoDimensions(MediaMetadataRetriever metadataRetriever)
329 throws NotAVideoFile, IOException {
330 String hasVideo =
331 metadataRetriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_HAS_VIDEO);
332 if (hasVideo == null) {
333 throw new NotAVideoFile();
334 }
335 Dimensions dimensions = getVideoDimensionsOfFrame(metadataRetriever);
336 if (dimensions != null) {
337 return dimensions;
338 }
339 final int rotation = extractRotationFromMediaRetriever(metadataRetriever);
340 boolean rotated = rotation == 90 || rotation == 270;
341 int height;
342 try {
343 String h =
344 metadataRetriever.extractMetadata(
345 MediaMetadataRetriever.METADATA_KEY_VIDEO_HEIGHT);
346 height = Integer.parseInt(h);
347 } catch (Exception e) {
348 height = -1;
349 }
350 int width;
351 try {
352 String w =
353 metadataRetriever.extractMetadata(
354 MediaMetadataRetriever.METADATA_KEY_VIDEO_WIDTH);
355 width = Integer.parseInt(w);
356 } catch (Exception e) {
357 width = -1;
358 }
359 try {
360 metadataRetriever.release();
361 } catch (final IOException e) {
362 throw new NotAVideoFile();
363 }
364 Log.d(Config.LOGTAG, "extracted video dims " + width + "x" + height);
365 return rotated ? new Dimensions(width, height) : new Dimensions(height, width);
366 }
367
368 private static int extractRotationFromMediaRetriever(MediaMetadataRetriever metadataRetriever) {
369 String r =
370 metadataRetriever.extractMetadata(
371 MediaMetadataRetriever.METADATA_KEY_VIDEO_ROTATION);
372 try {
373 return Integer.parseInt(r);
374 } catch (Exception e) {
375 return 0;
376 }
377 }
378
379 public static void close(final Closeable stream) {
380 if (stream != null) {
381 try {
382 stream.close();
383 } catch (Exception e) {
384 Log.d(Config.LOGTAG, "unable to close stream", e);
385 }
386 }
387 }
388
389 public static void close(final Socket socket) {
390 if (socket != null) {
391 try {
392 socket.close();
393 } catch (IOException e) {
394 Log.d(Config.LOGTAG, "unable to close socket", e);
395 }
396 }
397 }
398
399 public static void close(final ServerSocket socket) {
400 if (socket != null) {
401 try {
402 socket.close();
403 } catch (IOException e) {
404 Log.d(Config.LOGTAG, "unable to close server socket", e);
405 }
406 }
407 }
408
409 public static boolean dangerousFile(final Uri uri) {
410 if (uri == null || Strings.isNullOrEmpty(uri.getScheme())) {
411 return true;
412 }
413 if (ContentResolver.SCHEME_FILE.equals(uri.getScheme())) {
414 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
415 // On Android 7 (and apps that target 7) it is now longer possible to share files
416 // with a file scheme. By now you should probably not be running apps that target
417 // anything less than 7 any more
418 return true;
419 } else {
420 return isFileOwnedByProcess(uri);
421 }
422 }
423 return false;
424 }
425
426 private static boolean isFileOwnedByProcess(final Uri uri) {
427 final String path = uri.getPath();
428 if (path == null) {
429 return true;
430 }
431 try (final var pfd =
432 ParcelFileDescriptor.open(new File(path), ParcelFileDescriptor.MODE_READ_ONLY)) {
433 final FileDescriptor fd = pfd.getFileDescriptor();
434 final StructStat st = Os.fstat(fd);
435 return st.st_uid == android.os.Process.myUid();
436 } catch (final Exception e) {
437 // when in doubt. better safe than sorry
438 return true;
439 }
440 }
441
442 public static Uri getMediaUri(Context context, File file) {
443 final String filePath = file.getAbsolutePath();
444 try (final Cursor cursor =
445 context.getContentResolver()
446 .query(
447 MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
448 new String[] {MediaStore.Images.Media._ID},
449 MediaStore.Images.Media.DATA + "=? ",
450 new String[] {filePath},
451 null)) {
452 if (cursor != null && cursor.moveToFirst()) {
453 final int id =
454 cursor.getInt(cursor.getColumnIndexOrThrow(MediaStore.MediaColumns._ID));
455 return Uri.withAppendedPath(
456 MediaStore.Images.Media.EXTERNAL_CONTENT_URI, String.valueOf(id));
457 } else {
458 return null;
459 }
460 } catch (final Exception e) {
461 return null;
462 }
463 }
464
465 public static void updateFileParams(Message message, String url, long size) {
466 Message.FileParams fileParams = new Message.FileParams();
467 fileParams.url = url;
468 fileParams.size = size;
469 message.setFileParams(fileParams);
470 }
471
472 public Bitmap getPreviewForUri(Attachment attachment, int size, boolean cacheOnly) {
473 final String key = "attachment_" + attachment.getUuid().toString() + "_" + size;
474 final LruCache<String, Drawable> cache = mXmppConnectionService.getDrawableCache();
475 Drawable drawable = cache.get(key);
476 if (drawable != null || cacheOnly) {
477 return drawDrawable(drawable);
478 }
479 Bitmap bitmap = null;
480 final String mime = attachment.getMime();
481 if ("application/pdf".equals(mime)) {
482 bitmap = cropCenterSquarePdf(attachment.getUri(), size);
483 drawOverlay(
484 bitmap,
485 paintOverlayBlackPdf(bitmap)
486 ? R.drawable.open_pdf_black
487 : R.drawable.open_pdf_white,
488 0.75f);
489 } else if (mime != null && mime.startsWith("video/")) {
490 bitmap = cropCenterSquareVideo(attachment.getUri(), size);
491 drawOverlay(
492 bitmap,
493 paintOverlayBlack(bitmap)
494 ? R.drawable.play_video_black
495 : R.drawable.play_video_white,
496 0.75f);
497 } else {
498 bitmap = cropCenterSquare(attachment.getUri(), size);
499 if (bitmap != null && "image/gif".equals(mime)) {
500 Bitmap withGifOverlay = bitmap.copy(Bitmap.Config.ARGB_8888, true);
501 drawOverlay(
502 withGifOverlay,
503 paintOverlayBlack(withGifOverlay)
504 ? R.drawable.play_gif_black
505 : R.drawable.play_gif_white,
506 1.0f);
507 bitmap.recycle();
508 bitmap = withGifOverlay;
509 }
510 }
511 if (key != null && bitmap != null) {
512 cache.put(key, new BitmapDrawable(bitmap));
513 }
514 return bitmap;
515 }
516
517 public void updateMediaScanner(File file) {
518 updateMediaScanner(file, null);
519 }
520
521 public void updateMediaScanner(File file, final Runnable callback) {
522 MediaScannerConnection.scanFile(
523 mXmppConnectionService,
524 new String[] {file.getAbsolutePath()},
525 null,
526 new MediaScannerConnection.MediaScannerConnectionClient() {
527 @Override
528 public void onMediaScannerConnected() {}
529
530 @Override
531 public void onScanCompleted(String path, Uri uri) {
532 if (callback != null && file.getAbsolutePath().equals(path)) {
533 callback.run();
534 } else {
535 Log.d(Config.LOGTAG, "media scanner scanned wrong file");
536 if (callback != null) {
537 callback.run();
538 }
539 }
540 }
541 });
542 }
543
544 public boolean deleteFile(Message message) {
545 File file = getFile(message);
546 if (file.delete()) {
547 message.setDeleted(true);
548 updateMediaScanner(file);
549 return true;
550 } else {
551 return false;
552 }
553 }
554
555 public DownloadableFile getFile(Message message) {
556 return getFile(message, true);
557 }
558
559 public DownloadableFile getFileForPath(String path) {
560 return getFileForPath(
561 path,
562 MimeUtils.guessMimeTypeFromExtension(MimeUtils.extractRelevantExtension(path)));
563 }
564
565 private DownloadableFile getFileForPath(final String path, final String mime) {
566 if (path.startsWith("/")) {
567 return new DownloadableFile(path);
568 } else {
569 return getLegacyFileForFilename(path, mime);
570 }
571 }
572
573 public DownloadableFile getLegacyFileForFilename(final String filename, final String mime) {
574 if (Strings.isNullOrEmpty(mime)) {
575 return new DownloadableFile(getLegacyStorageLocation("Files"), filename);
576 } else if (mime.startsWith("image/")) {
577 return new DownloadableFile(getLegacyStorageLocation("Images"), filename);
578 } else if (mime.startsWith("video/")) {
579 return new DownloadableFile(getLegacyStorageLocation("Videos"), filename);
580 } else {
581 return new DownloadableFile(getLegacyStorageLocation("Files"), filename);
582 }
583 }
584
585 public boolean isInternalFile(final File file) {
586 final File internalFile = getFileForPath(file.getName());
587 return file.getAbsolutePath().equals(internalFile.getAbsolutePath());
588 }
589
590 public DownloadableFile getFile(Message message, boolean decrypted) {
591 final boolean encrypted =
592 !decrypted
593 && (message.getEncryption() == Message.ENCRYPTION_PGP
594 || message.getEncryption() == Message.ENCRYPTION_DECRYPTED);
595 String path = message.getRelativeFilePath();
596 if (path == null) {
597 path = message.getUuid();
598 }
599 final var msgFile = getFileForPath(path, message.getMimeType());
600
601 final DownloadableFile file;
602 if (encrypted) {
603 file = new DownloadableFile(
604 mXmppConnectionService.getCacheDir(),
605 String.format("%s.%s", msgFile.getName(), "pgp"));
606 } else {
607 file = msgFile;
608 }
609
610 try {
611 if (file.exists() && file.toString().startsWith(mXmppConnectionService.getCacheDir().toString()) && Build.VERSION.SDK_INT >= 26) {
612 java.nio.file.Files.setAttribute(file.toPath(), "lastAccessTime", java.nio.file.attribute.FileTime.fromMillis(System.currentTimeMillis()));
613 }
614 } catch (final IOException e) {
615 Log.w(Config.LOGTAG, "unable to set lastAccessTime for " + file);
616 }
617
618 return file;
619 }
620
621 public List<Attachment> convertToAttachments(List<DatabaseBackend.FilePath> relativeFilePaths) {
622 final List<Attachment> attachments = new ArrayList<>();
623 for (final DatabaseBackend.FilePath relativeFilePath : relativeFilePaths) {
624 final String mime =
625 MimeUtils.guessMimeTypeFromExtension(
626 MimeUtils.extractRelevantExtension(relativeFilePath.path));
627 final File file = getFileForPath(relativeFilePath.path, mime);
628 attachments.add(Attachment.of(relativeFilePath.uuid, file, mime));
629 }
630 return attachments;
631 }
632
633 private File getLegacyStorageLocation(final String type) {
634 if (Config.ONLY_INTERNAL_STORAGE) {
635 return new File(mXmppConnectionService.getFilesDir(), type);
636 } else {
637 final File appDirectory =
638 new File(
639 Environment.getExternalStorageDirectory(),
640 mXmppConnectionService.getString(R.string.app_name));
641 final File appMediaDirectory = new File(appDirectory, "Media");
642 final String locationName =
643 String.format(
644 "%s %s", mXmppConnectionService.getString(R.string.app_name), type);
645 return new File(appMediaDirectory, locationName);
646 }
647 }
648
649 private Bitmap resize(final Bitmap originalBitmap, int size) throws IOException {
650 int w = originalBitmap.getWidth();
651 int h = originalBitmap.getHeight();
652 if (w <= 0 || h <= 0) {
653 throw new IOException("Decoded bitmap reported bounds smaller 0");
654 } else if (Math.max(w, h) > size) {
655 int scalledW;
656 int scalledH;
657 if (w <= h) {
658 scalledW = Math.max((int) (w / ((double) h / size)), 1);
659 scalledH = size;
660 } else {
661 scalledW = size;
662 scalledH = Math.max((int) (h / ((double) w / size)), 1);
663 }
664 final Bitmap result =
665 Bitmap.createScaledBitmap(originalBitmap, scalledW, scalledH, true);
666 if (!originalBitmap.isRecycled()) {
667 originalBitmap.recycle();
668 }
669 return result;
670 } else {
671 return originalBitmap;
672 }
673 }
674
675 public long getUriSize(final Uri uri) {
676 Cursor cursor = null;
677 try {
678 cursor = mXmppConnectionService.getContentResolver().query(uri, null, null, null, null);
679 if (cursor != null && cursor.moveToFirst()) {
680 int sizeIndex = cursor.getColumnIndex(OpenableColumns.SIZE);
681 if (sizeIndex < 0) return 0;
682 return cursor.getLong(sizeIndex);
683 }
684 } finally {
685 if (cursor != null) {
686 cursor.close();
687 }
688 }
689 return 0; // Return 0 if the size information is not available
690 }
691
692 public boolean useImageAsIs(final Uri uri) {
693 try {
694 for (Cid cid : calculateCids(uri)) {
695 if (mXmppConnectionService.getUrlForCid(cid) != null) return true;
696 }
697
698 long fsize = getUriSize(uri);
699 if (fsize == 0 || fsize >= mXmppConnectionService.getResources().getInteger(R.integer.auto_accept_filesize)) {
700 return false;
701 }
702
703 if (android.os.Build.VERSION.SDK_INT >= 28) {
704 ImageDecoder.Source source = ImageDecoder.createSource(mXmppConnectionService.getContentResolver(), uri);
705 int[] size = new int[] { 0, 0 };
706 boolean[] animated = new boolean[] { false };
707 String[] mimeType = new String[] { null };
708 Drawable drawable = ImageDecoder.decodeDrawable(source, (decoder, info, src) -> {
709 mimeType[0] = info.getMimeType();
710 animated[0] = info.isAnimated();
711 size[0] = info.getSize().getWidth();
712 size[1] = info.getSize().getHeight();
713 });
714
715 return animated[0] || (size[0] <= Config.IMAGE_SIZE && size[1] <= Config.IMAGE_SIZE);
716 }
717
718 BitmapFactory.Options options = new BitmapFactory.Options();
719 options.inJustDecodeBounds = true;
720 final InputStream inputStream =
721 mXmppConnectionService.getContentResolver().openInputStream(uri);
722 BitmapFactory.decodeStream(inputStream, null, options);
723 close(inputStream);
724 if (options.outMimeType == null || options.outHeight <= 0 || options.outWidth <= 0) {
725 return false;
726 }
727 return (options.outWidth <= Config.IMAGE_SIZE && options.outHeight <= Config.IMAGE_SIZE);
728 } catch (final IOException e) {
729 Log.d(Config.LOGTAG, "unable to get image dimensions", e);
730 return false;
731 }
732 }
733
734 public String getOriginalPath(final Uri uri) {
735 return FileUtils.getPath(mXmppConnectionService, uri);
736 }
737
738 public void copyFileToDocumentFile(Context ctx, File file, DocumentFile df) throws FileCopyException {
739 Log.d(
740 Config.LOGTAG,
741 "copy file (" + file + ") to " + df);
742 try (final InputStream is = new FileInputStream(file);
743 final OutputStream os =
744 mXmppConnectionService.getContentResolver().openOutputStream(df.getUri())) {
745 if (is == null) {
746 throw new FileCopyException(R.string.error_file_not_found);
747 }
748 try {
749 ByteStreams.copy(is, os);
750 os.flush();
751 } catch (IOException e) {
752 throw new FileWriterException(file);
753 }
754 } catch (final IllegalArgumentException e) {
755 throw new FileCopyException(R.string.error_file_not_found);
756 } catch (final FileNotFoundException e) {
757 throw new FileCopyException(R.string.error_file_not_found);
758 } catch (final FileWriterException e) {
759 throw new FileCopyException(R.string.error_unable_to_create_temporary_file);
760 } catch (final SecurityException | IllegalStateException e) {
761 throw new FileCopyException(R.string.error_security_exception);
762 } catch (final IOException e) {
763 throw new FileCopyException(R.string.error_io_exception);
764 }
765 }
766
767 public InputStream openInputStream(Uri uri) throws IOException {
768 if (uri != null && "data".equals(uri.getScheme())) {
769 String[] parts = uri.getSchemeSpecificPart().split(",", 2);
770 byte[] data;
771 if (Arrays.asList(parts[0].split(";")).contains("base64")) {
772 String[] parts2 = parts[0].split(";", 2);
773 parts[0] = parts2[0];
774 data = Base64.decode(parts[1], 0);
775 } else {
776 try {
777 data = parts[1].getBytes("UTF-8");
778 } catch (final IOException e) {
779 data = new byte[0];
780 }
781 }
782 return new ByteArrayInputStream(data);
783 }
784 final InputStream is = mXmppConnectionService.getContentResolver().openInputStream(uri);
785 if (is == null) throw new FileNotFoundException("File not found");
786 return is;
787 }
788
789 public void copyFileToPrivateStorage(final File file, final Uri uri) throws FileCopyException {
790 final var parentDirectory = file.getParentFile();
791 if (parentDirectory != null && parentDirectory.mkdirs()) {
792 Log.d(Config.LOGTAG, "created directory " + parentDirectory.getAbsolutePath());
793 }
794 try {
795 if (!file.createNewFile() && file.length() > 0) {
796 if (file.canRead() && file.getName().startsWith("zb2")) return; // We have this content already
797 throw new FileCopyException(R.string.error_unable_to_create_temporary_file);
798 }
799 } catch (final IOException e) {
800 throw new FileCopyException(R.string.error_unable_to_create_temporary_file);
801 }
802 try (final OutputStream os = new FileOutputStream(file);
803 final InputStream is = openInputStream(uri)) {
804 if (is == null) {
805 throw new FileCopyException(R.string.error_file_not_found);
806 }
807 try {
808 ByteStreams.copy(is, os);
809 } catch (final IOException e) {
810 throw new FileWriterException(file);
811 }
812 try {
813 os.flush();
814 } catch (final IOException e) {
815 throw new FileWriterException(file);
816 }
817 } catch (final FileNotFoundException e) {
818 cleanup(file);
819 throw new FileCopyException(R.string.error_file_not_found);
820 } catch (final FileWriterException e) {
821 cleanup(file);
822 throw new FileCopyException(R.string.error_unable_to_create_temporary_file);
823 } catch (final SecurityException | IllegalStateException | IllegalArgumentException e) {
824 cleanup(file);
825 throw new FileCopyException(R.string.error_security_exception);
826 } catch (final IOException e) {
827 cleanup(file);
828 throw new FileCopyException(R.string.error_io_exception);
829 }
830 }
831
832 public void copyFileToPrivateStorage(final Message message, final Uri uri, final String type)
833 throws FileCopyException {
834 final String mime =
835 MimeUtils.guessMimeTypeFromUriAndMime(mXmppConnectionService, uri, type);
836 Log.d(Config.LOGTAG, "copy " + uri.toString() + " to private storage (mime=" + mime + ")");
837 String extension = MimeUtils.guessExtensionFromMimeType(mime);
838 if (extension == null) {
839 Log.d(Config.LOGTAG, "extension from mime type was null");
840 extension = getExtensionFromUri(uri);
841 }
842 if ("ogg".equals(extension) && type != null && type.startsWith("audio/")) {
843 extension = "oga";
844 }
845
846 try {
847 setupRelativeFilePath(message, uri, extension);
848 copyFileToPrivateStorage(mXmppConnectionService.getFileBackend().getFile(message), uri);
849 final String name = getDisplayNameFromUri(uri);
850 if (name != null) {
851 message.getFileParams().setName(name);
852 }
853 } catch (final XmppConnectionService.BlockedMediaException e) {
854 message.setRelativeFilePath(null);
855 message.setDeleted(true);
856 }
857 }
858
859 private String getDisplayNameFromUri(final Uri uri) {
860 final String[] projection = {OpenableColumns.DISPLAY_NAME};
861 String filename = null;
862 try (final Cursor cursor =
863 mXmppConnectionService
864 .getContentResolver()
865 .query(uri, projection, null, null, null)) {
866 if (cursor != null && cursor.moveToFirst()) {
867 filename = cursor.getString(0);
868 }
869 } catch (final Exception e) {
870 filename = null;
871 }
872 return filename;
873 }
874
875 private String getExtensionFromUri(final Uri uri) {
876 final String[] projection = {MediaStore.MediaColumns.DATA};
877 String filename = null;
878 try (final Cursor cursor =
879 mXmppConnectionService
880 .getContentResolver()
881 .query(uri, projection, null, null, null)) {
882 if (cursor != null && cursor.moveToFirst()) {
883 filename = cursor.getString(0);
884 }
885 } catch (final Exception e) {
886 filename = null;
887 }
888 if (filename == null) {
889 final List<String> segments = uri.getPathSegments();
890 if (segments.size() > 0) {
891 filename = segments.get(segments.size() - 1);
892 }
893 }
894 final int pos = filename == null ? -1 : filename.lastIndexOf('.');
895 return pos > 0 ? filename.substring(pos + 1) : null;
896 }
897
898 private void copyImageToPrivateStorage(File file, Uri image, int sampleSize)
899 throws FileCopyException, ImageCompressionException {
900 final File parent = file.getParentFile();
901 if (parent != null && parent.mkdirs()) {
902 Log.d(Config.LOGTAG, "created parent directory");
903 }
904 InputStream is = null;
905 OutputStream os = null;
906 try {
907 if (!file.exists() && !file.createNewFile()) {
908 throw new FileCopyException(R.string.error_unable_to_create_temporary_file);
909 }
910 is = mXmppConnectionService.getContentResolver().openInputStream(image);
911 if (is == null) {
912 throw new FileCopyException(R.string.error_not_an_image_file);
913 }
914 final Bitmap originalBitmap;
915 final BitmapFactory.Options options = new BitmapFactory.Options();
916 final int inSampleSize = (int) Math.pow(2, sampleSize);
917 Log.d(Config.LOGTAG, "reading bitmap with sample size " + inSampleSize);
918 options.inSampleSize = inSampleSize;
919 originalBitmap = BitmapFactory.decodeStream(is, null, options);
920 is.close();
921 if (originalBitmap == null) {
922 throw new ImageCompressionException("Source file was not an image");
923 }
924 if (!"image/jpeg".equals(options.outMimeType) && hasAlpha(originalBitmap)) {
925 originalBitmap.recycle();
926 throw new ImageCompressionException("Source file had alpha channel");
927 }
928 Bitmap scaledBitmap = resize(originalBitmap, Config.IMAGE_SIZE);
929 final int rotation = getRotation(mXmppConnectionService, image);
930 scaledBitmap = rotate(scaledBitmap, rotation);
931 boolean targetSizeReached = false;
932 int quality = Config.IMAGE_QUALITY;
933 final int imageMaxSize =
934 mXmppConnectionService
935 .getResources()
936 .getInteger(R.integer.auto_accept_filesize);
937 while (!targetSizeReached) {
938 os = new FileOutputStream(file);
939 Log.d(Config.LOGTAG, "compressing image with quality " + quality);
940 boolean success = scaledBitmap.compress(Config.IMAGE_FORMAT, quality, os);
941 if (!success) {
942 throw new FileCopyException(R.string.error_compressing_image);
943 }
944 os.flush();
945 final long fileSize = file.length();
946 Log.d(Config.LOGTAG, "achieved file size of " + fileSize);
947 targetSizeReached = fileSize <= imageMaxSize || quality <= 50;
948 quality -= 5;
949 }
950 scaledBitmap.recycle();
951 } catch (final FileNotFoundException e) {
952 cleanup(file);
953 throw new FileCopyException(R.string.error_file_not_found);
954 } catch (final IOException e) {
955 cleanup(file);
956 throw new FileCopyException(R.string.error_io_exception);
957 } catch (SecurityException e) {
958 cleanup(file);
959 throw new FileCopyException(R.string.error_security_exception_during_image_copy);
960 } catch (final OutOfMemoryError e) {
961 ++sampleSize;
962 if (sampleSize <= 3) {
963 copyImageToPrivateStorage(file, image, sampleSize);
964 } else {
965 throw new FileCopyException(R.string.error_out_of_memory);
966 }
967 } finally {
968 close(os);
969 close(is);
970 }
971 }
972
973 private static void cleanup(final File file) {
974 try {
975 file.delete();
976 } catch (Exception e) {
977
978 }
979 }
980
981 public void copyImageToPrivateStorage(File file, Uri image)
982 throws FileCopyException, ImageCompressionException {
983 Log.d(
984 Config.LOGTAG,
985 "copy image ("
986 + image.toString()
987 + ") to private storage "
988 + file.getAbsolutePath());
989 copyImageToPrivateStorage(file, image, 0);
990 }
991
992 public void copyImageToPrivateStorage(Message message, Uri image)
993 throws FileCopyException, ImageCompressionException {
994 final String filename;
995 switch (Config.IMAGE_FORMAT) {
996 case JPEG:
997 filename = String.format("%s.%s", message.getUuid(), "jpg");
998 break;
999 case PNG:
1000 filename = String.format("%s.%s", message.getUuid(), "png");
1001 break;
1002 case WEBP:
1003 filename = String.format("%s.%s", message.getUuid(), "webp");
1004 break;
1005 default:
1006 throw new IllegalStateException("Unknown image format");
1007 }
1008 setupRelativeFilePath(message, filename);
1009 final File tmp = getFile(message);
1010 copyImageToPrivateStorage(tmp, image);
1011 final String extension = MimeUtils.extractRelevantExtension(filename);
1012 try {
1013 setupRelativeFilePath(message, new FileInputStream(tmp), extension);
1014 } catch (final FileNotFoundException e) {
1015 throw new FileCopyException(R.string.error_file_not_found);
1016 } catch (final IOException e) {
1017 throw new FileCopyException(R.string.error_io_exception);
1018 } catch (final XmppConnectionService.BlockedMediaException e) {
1019 tmp.delete();
1020 message.setRelativeFilePath(null);
1021 message.setDeleted(true);
1022 return;
1023 }
1024 tmp.renameTo(getFile(message));
1025 updateFileParams(message, null, false);
1026 }
1027
1028 public void setupRelativeFilePath(final Message message, final Uri uri, final String extension) throws FileCopyException, XmppConnectionService.BlockedMediaException {
1029 try {
1030 setupRelativeFilePath(message, openInputStream(uri), extension);
1031 } catch (final FileNotFoundException e) {
1032 throw new FileCopyException(R.string.error_file_not_found);
1033 } catch (final IOException e) {
1034 throw new FileCopyException(R.string.error_io_exception);
1035 }
1036 }
1037
1038 public Cid[] calculateCids(final Uri uri) throws IOException {
1039 return calculateCids(mXmppConnectionService.getContentResolver().openInputStream(uri));
1040 }
1041
1042 public Cid[] calculateCids(final InputStream is) throws IOException {
1043 try {
1044 return CryptoHelper.cid(is, new String[]{"SHA-256", "SHA-1", "SHA-512"});
1045 } catch (final NoSuchAlgorithmException e) {
1046 throw new AssertionError(e);
1047 }
1048 }
1049
1050 public void setupRelativeFilePath(final Message message, final InputStream is, final String extension) throws IOException, XmppConnectionService.BlockedMediaException {
1051 message.setRelativeFilePath(getStorageLocation(message, is, extension).getAbsolutePath());
1052 }
1053
1054 public void setupRelativeFilePath(final Message message, final String filename) {
1055 final String extension = MimeUtils.extractRelevantExtension(filename);
1056 final String mime = MimeUtils.guessMimeTypeFromExtension(extension);
1057 setupRelativeFilePath(message, filename, mime);
1058 }
1059
1060 public File getStorageLocation(final Message message, final InputStream is, final String extension) throws IOException, XmppConnectionService.BlockedMediaException {
1061 final String mime = MimeUtils.guessMimeTypeFromExtension(extension);
1062 Cid[] cids = calculateCids(is);
1063 String base = cids[0].toString();
1064
1065 File file = null;
1066 while (file == null || (file.exists() && !file.canRead())) {
1067 file = getStorageLocation(message, String.format("%s.%s", base, extension), mime);
1068 base += "_";
1069 }
1070 for (int i = 0; i < cids.length; i++) {
1071 mXmppConnectionService.saveCid(cids[i], file);
1072 }
1073 return file;
1074 }
1075
1076 public File getStorageLocation(final Message message, final String filename, final String mime) {
1077 final File parentDirectory;
1078 if (Strings.isNullOrEmpty(mime)) {
1079 parentDirectory =
1080 Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS);
1081 } else if (mime.startsWith("image/")) {
1082 parentDirectory =
1083 Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES);
1084 } else if (mime.startsWith("video/")) {
1085 parentDirectory =
1086 Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_MOVIES);
1087 } else if (MediaAdapter.DOCUMENT_MIMES.contains(mime)) {
1088 parentDirectory =
1089 Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOCUMENTS);
1090 } else {
1091 parentDirectory =
1092 Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS);
1093 }
1094 final File appDirectory =
1095 new File(parentDirectory, mXmppConnectionService.getString(R.string.app_name));
1096 if (message == null || message.getStatus() == Message.STATUS_DUMMY || (message.getConversation() instanceof Conversation && ((Conversation) message.getConversation()).storeInCache())) {
1097 final var mediaCache = new File(mXmppConnectionService.getCacheDir(), "/media");
1098 return new File(mediaCache, filename);
1099 } else {
1100 return new File(appDirectory, filename);
1101 }
1102 }
1103
1104 public void setupNomedia(final boolean nomedia) {
1105 final var pictures = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES);
1106 final var app = mXmppConnectionService.getString(R.string.app_name);
1107 final var picturesNomedia = new File(new File(pictures, app), ".nomedia");
1108 final var movies = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_MOVIES);
1109 final var moviesNomedia = new File(new File(movies, app), ".nomedia");
1110 var rescan = false;
1111 if (nomedia) {
1112 rescan = rescan || picturesNomedia.mkdir();
1113 rescan = rescan || moviesNomedia.mkdir();
1114 } else {
1115 rescan = rescan || picturesNomedia.delete();
1116 rescan = rescan || moviesNomedia.delete();
1117 }
1118 if (rescan) {
1119 updateMediaScanner(new File(pictures, app));
1120 updateMediaScanner(new File(movies, app));
1121 }
1122 }
1123
1124 public static boolean inConversationsDirectory(final Context context, String path) {
1125 final File fileDirectory = new File(path).getParentFile();
1126 for (final String type : STORAGE_TYPES) {
1127 final File typeDirectory =
1128 new File(
1129 Environment.getExternalStoragePublicDirectory(type),
1130 context.getString(R.string.app_name));
1131 if (typeDirectory.equals(fileDirectory)) {
1132 return true;
1133 }
1134 }
1135 return false;
1136 }
1137
1138 public void setupRelativeFilePath(
1139 final Message message, final String filename, final String mime) {
1140 final File file = getStorageLocation(message, filename, mime);
1141 message.setRelativeFilePath(file.getAbsolutePath());
1142 }
1143
1144 public boolean unusualBounds(final Uri image) {
1145 try {
1146 final BitmapFactory.Options options = new BitmapFactory.Options();
1147 options.inJustDecodeBounds = true;
1148 final InputStream inputStream =
1149 mXmppConnectionService.getContentResolver().openInputStream(image);
1150 BitmapFactory.decodeStream(inputStream, null, options);
1151 close(inputStream);
1152 float ratio = (float) options.outHeight / options.outWidth;
1153 return ratio > (21.0f / 9.0f) || ratio < (9.0f / 21.0f);
1154 } catch (final Exception e) {
1155 Log.w(Config.LOGTAG, "unable to detect image bounds", e);
1156 return false;
1157 }
1158 }
1159
1160 private int getRotation(final File file) {
1161 try (final InputStream inputStream = new FileInputStream(file)) {
1162 return getRotation(inputStream);
1163 } catch (Exception e) {
1164 return 0;
1165 }
1166 }
1167
1168 private static int getRotation(final Context context, final Uri image) {
1169 try (final InputStream is = context.getContentResolver().openInputStream(image)) {
1170 return is == null ? 0 : getRotation(is);
1171 } catch (final Exception e) {
1172 return 0;
1173 }
1174 }
1175
1176 private static int getRotation(final InputStream inputStream) throws IOException {
1177 final ExifInterface exif = new ExifInterface(inputStream);
1178 final int orientation =
1179 exif.getAttributeInt(
1180 ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_UNDEFINED);
1181 switch (orientation) {
1182 case ExifInterface.ORIENTATION_ROTATE_180:
1183 return 180;
1184 case ExifInterface.ORIENTATION_ROTATE_90:
1185 return 90;
1186 case ExifInterface.ORIENTATION_ROTATE_270:
1187 return 270;
1188 default:
1189 return 0;
1190 }
1191 }
1192
1193 public BitmapDrawable getFallbackThumbnail(final Message message, int size, boolean cacheOnly) {
1194 final var thumbs = message.getFileParams() != null ? message.getFileParams().getThumbnails() : null;
1195 if (thumbs != null && !thumbs.isEmpty()) {
1196 for (final var thumb : thumbs) {
1197 final var uriS = thumb.getAttribute("uri");
1198 if (uriS == null) continue;
1199 Uri uri = Uri.parse(uriS);
1200 if (uri.getScheme().equals("data")) {
1201 String[] parts = uri.getSchemeSpecificPart().split(",", 2);
1202
1203 final LruCache<String, Drawable> cache = mXmppConnectionService.getDrawableCache();
1204 BitmapDrawable cached = (BitmapDrawable) cache.get(parts[1]);
1205 if (cached != null || cacheOnly) return cached;
1206
1207 byte[] data;
1208 if (Arrays.asList(parts[0].split(";")).contains("base64")) {
1209 String[] parts2 = parts[0].split(";", 2);
1210 parts[0] = parts2[0];
1211 data = Base64.decode(parts[1], 0);
1212 } else {
1213 try {
1214 data = parts[1].getBytes("UTF-8");
1215 } catch (final IOException e) {
1216 data = new byte[0];
1217 }
1218 }
1219
1220 if (parts[0].equals("image/blurhash")) {
1221 int width = message.getFileParams().width;
1222 if (width < 1 && thumb.getAttribute("width") != null) width = Integer.parseInt(thumb.getAttribute("width"));
1223 if (width < 1) width = 1920;
1224
1225 int height = message.getFileParams().height;
1226 if (height < 1 && thumb.getAttribute("height") != null) height = Integer.parseInt(thumb.getAttribute("height"));
1227 if (height < 1) height = 1080;
1228 Rect r = rectForSize(width, height, size);
1229
1230 Bitmap blurhash = BlurHashDecoder.INSTANCE.decode(parts[1], r.width(), r.height(), 1.0f, false);
1231 if (blurhash != null) {
1232 cached = new BitmapDrawable(blurhash);
1233 if (parts[1] != null && cached != null) cache.put(parts[1], cached);
1234 return cached;
1235 }
1236 } else if (parts[0].equals("image/thumbhash")) {
1237 ThumbHash.Image image;
1238 try {
1239 image = ThumbHash.thumbHashToRGBA(data);
1240 } catch (final Exception e) {
1241 continue;
1242 }
1243 int[] pixels = new int[image.width * image.height];
1244 for (int i = 0; i < pixels.length; i++) {
1245 pixels[i] = Color.argb(image.rgba[(i*4)+3] & 0xff, image.rgba[i*4] & 0xff, image.rgba[(i*4)+1] & 0xff, image.rgba[(i*4)+2] & 0xff);
1246 }
1247 cached = new BitmapDrawable(Bitmap.createBitmap(pixels, image.width, image.height, Bitmap.Config.ARGB_8888));
1248 if (parts[1] != null && cached != null) cache.put(parts[1], cached);
1249 return cached;
1250 }
1251 }
1252 }
1253 }
1254
1255 return null;
1256 }
1257
1258 public Drawable getThumbnail(Message message, Resources res, int size, boolean cacheOnly) throws IOException {
1259 final LruCache<String, Drawable> cache = mXmppConnectionService.getDrawableCache();
1260 DownloadableFile file = getFile(message);
1261 Drawable thumbnail = cache.get(file.getAbsolutePath());
1262 if (thumbnail != null) return thumbnail;
1263
1264 if ((thumbnail == null) && (!cacheOnly)) {
1265 synchronized (THUMBNAIL_LOCK) {
1266 final var thumbs = message.getFileParams() != null ? message.getFileParams().getThumbnails() : null;
1267 if (thumbs != null && !thumbs.isEmpty()) {
1268 for (final var thumb : thumbs) {
1269 final var uriS = thumb.getAttribute("uri");
1270 if (uriS == null) continue;
1271 Uri uri = Uri.parse(uriS);
1272 if (uri.getScheme().equals("data")) {
1273 if (android.os.Build.VERSION.SDK_INT < 28) continue;
1274 String[] parts = uri.getSchemeSpecificPart().split(",", 2);
1275
1276 byte[] data;
1277 if (Arrays.asList(parts[0].split(";")).contains("base64")) {
1278 String[] parts2 = parts[0].split(";", 2);
1279 parts[0] = parts2[0];
1280 data = Base64.decode(parts[1], 0);
1281 } else {
1282 data = parts[1].getBytes("UTF-8");
1283 }
1284
1285 if (parts[0].equals("image/blurhash")) continue; // blurhash only for fallback
1286 if (parts[0].equals("image/thumbhash")) continue; // thumbhash only for fallback
1287
1288 if (android.os.Build.VERSION.SDK_INT >= 28) {
1289 ImageDecoder.Source source = ImageDecoder.createSource(ByteBuffer.wrap(data));
1290 thumbnail = ImageDecoder.decodeDrawable(source, (decoder, info, src) -> {
1291 int w = info.getSize().getWidth();
1292 int h = info.getSize().getHeight();
1293 Rect r = rectForSize(w, h, size);
1294 decoder.setTargetSize(r.width(), r.height());
1295 });
1296 }
1297
1298 if (thumbnail != null && file.getAbsolutePath() != null) {
1299 cache.put(file.getAbsolutePath(), thumbnail);
1300 return thumbnail;
1301 }
1302 } else if (uri.getScheme().equals("cid")) {
1303 Cid cid = BobTransfer.cid(uri);
1304 if (cid == null) continue;
1305 DownloadableFile f = mXmppConnectionService.getFileForCid(cid);
1306 if (f != null && f.canRead()) {
1307 return getThumbnail(f, res, size, cacheOnly);
1308 }
1309 }
1310 }
1311 }
1312 }
1313 }
1314
1315 return getThumbnail(file, res, size, cacheOnly);
1316 }
1317
1318 public Drawable getThumbnail(DownloadableFile file, Resources res, int size, boolean cacheOnly) throws IOException {
1319 return getThumbnail(file, res, size, cacheOnly, file.getAbsolutePath());
1320 }
1321
1322 public Drawable getThumbnail(DownloadableFile file, Resources res, int size, boolean cacheOnly, String cacheKey) throws IOException {
1323 final LruCache<String, Drawable> cache = mXmppConnectionService.getDrawableCache();
1324 Drawable thumbnail = cache.get(cacheKey);
1325 if ((thumbnail == null) && (!cacheOnly) && file.exists()) {
1326 synchronized (THUMBNAIL_LOCK) {
1327 thumbnail = cache.get(cacheKey);
1328 if (thumbnail != null) {
1329 return thumbnail;
1330 }
1331 final String mime = file.getMimeType();
1332 if ("image/svg+xml".equals(mime)) {
1333 thumbnail = getSVG(file, size);
1334 } else if ("application/pdf".equals(mime)) {
1335 thumbnail = new BitmapDrawable(res, getPdfDocumentPreview(file, size));
1336 } else if (mime.startsWith("video/")) {
1337 thumbnail = new BitmapDrawable(res, getVideoPreview(file, size));
1338 } else if (mime.startsWith("audio/")) {
1339 thumbnail = res.getDrawable(R.drawable.audio_file_24dp);
1340 } else {
1341 thumbnail = getImagePreview(file, res, size, mime);
1342 if (thumbnail == null) {
1343 throw new FileNotFoundException();
1344 }
1345 }
1346 if (cacheKey != null && thumbnail != null) cache.put(cacheKey, thumbnail);
1347 }
1348 }
1349 return thumbnail;
1350 }
1351
1352 public Bitmap getThumbnailBitmap(Message message, Resources res, int size) throws IOException {
1353 final Drawable drawable = getThumbnail(message, res, size, false);
1354 if (drawable == null) return null;
1355 return drawDrawable(drawable);
1356 }
1357
1358 public Bitmap getThumbnailBitmap(DownloadableFile file, Resources res, int size, String cacheKey) throws IOException {
1359 final Drawable drawable = getThumbnail(file, res, size, false, cacheKey);
1360 if (drawable == null) return null;
1361 return drawDrawable(drawable);
1362 }
1363
1364 public static Rect rectForSize(int w, int h, int size) {
1365 int scalledW;
1366 int scalledH;
1367 if (w <= h) {
1368 scalledW = Math.max((int) (w / ((double) h / size)), 1);
1369 scalledH = size;
1370 } else {
1371 scalledW = size;
1372 scalledH = Math.max((int) (h / ((double) w / size)), 1);
1373 }
1374
1375 if (scalledW > w || scalledH > h) return new Rect(0, 0, w, h);
1376
1377 return new Rect(0, 0, scalledW, scalledH);
1378 }
1379
1380 private Drawable getImagePreview(File file, Resources res, int size, final String mime) throws IOException {
1381 if (android.os.Build.VERSION.SDK_INT >= 28) {
1382 ImageDecoder.Source source = ImageDecoder.createSource(file);
1383 return ImageDecoder.decodeDrawable(source, (decoder, info, src) -> {
1384 int w = info.getSize().getWidth();
1385 int h = info.getSize().getHeight();
1386 Rect r = rectForSize(w, h, size);
1387 decoder.setTargetSize(r.width(), r.height());
1388 });
1389 } else {
1390 BitmapFactory.Options options = new BitmapFactory.Options();
1391 options.inSampleSize = calcSampleSize(file, size);
1392 Bitmap bitmap = null;
1393 try {
1394 bitmap = BitmapFactory.decodeFile(file.getAbsolutePath(), options);
1395 } catch (OutOfMemoryError e) {
1396 options.inSampleSize *= 2;
1397 bitmap = BitmapFactory.decodeFile(file.getAbsolutePath(), options);
1398 }
1399 if (bitmap == null) return null;
1400
1401 bitmap = resize(bitmap, size);
1402 bitmap = rotate(bitmap, getRotation(file));
1403 if (mime.equals("image/gif")) {
1404 Bitmap withGifOverlay = bitmap.copy(Bitmap.Config.ARGB_8888, true);
1405 drawOverlay(withGifOverlay, paintOverlayBlack(withGifOverlay) ? R.drawable.play_gif_black : R.drawable.play_gif_white, 1.0f);
1406 bitmap.recycle();
1407 bitmap = withGifOverlay;
1408 }
1409 return new BitmapDrawable(res, bitmap);
1410 }
1411 }
1412
1413 public static Bitmap drawDrawable(Drawable drawable) {
1414 if (drawable == null) return null;
1415
1416 Bitmap bitmap = null;
1417
1418 if (drawable instanceof BitmapDrawable) {
1419 bitmap = ((BitmapDrawable) drawable).getBitmap();
1420 if (bitmap != null) return bitmap;
1421 }
1422
1423 Rect bounds = drawable.getBounds();
1424 int width = drawable.getIntrinsicWidth();
1425 if (width < 1) width = bounds == null || bounds.right < 1 ? 256 : bounds.right;
1426 int height = drawable.getIntrinsicHeight();
1427 if (height < 1) height = bounds == null || bounds.bottom < 1 ? 256 : bounds.bottom;
1428
1429 if (width < 1) {
1430 Log.w(Config.LOGTAG, "Drawable with no width: " + drawable);
1431 width = 48;
1432 }
1433 if (height < 1) {
1434 Log.w(Config.LOGTAG, "Drawable with no height: " + drawable);
1435 height = 48;
1436 }
1437
1438 bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
1439 Canvas canvas = new Canvas(bitmap);
1440 drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
1441 drawable.draw(canvas);
1442 return bitmap;
1443 }
1444
1445 private void drawOverlay(Bitmap bitmap, int resource, float factor) {
1446 Bitmap overlay =
1447 BitmapFactory.decodeResource(mXmppConnectionService.getResources(), resource);
1448 Canvas canvas = new Canvas(bitmap);
1449 float targetSize = Math.min(canvas.getWidth(), canvas.getHeight()) * factor;
1450 Log.d(
1451 Config.LOGTAG,
1452 "target size overlay: "
1453 + targetSize
1454 + " overlay bitmap size was "
1455 + overlay.getHeight());
1456 float left = (canvas.getWidth() - targetSize) / 2.0f;
1457 float top = (canvas.getHeight() - targetSize) / 2.0f;
1458 RectF dst = new RectF(left, top, left + targetSize - 1, top + targetSize - 1);
1459 canvas.drawBitmap(overlay, null, dst, createAntiAliasingPaint());
1460 }
1461
1462 /** https://stackoverflow.com/a/3943023/210897 */
1463 private boolean paintOverlayBlack(final Bitmap bitmap) {
1464 final int h = bitmap.getHeight();
1465 final int w = bitmap.getWidth();
1466 int record = 0;
1467 for (int y = Math.round(h * IGNORE_PADDING); y < h - Math.round(h * IGNORE_PADDING); ++y) {
1468 for (int x = Math.round(w * IGNORE_PADDING);
1469 x < w - Math.round(w * IGNORE_PADDING);
1470 ++x) {
1471 int pixel = bitmap.getPixel(x, y);
1472 if ((Color.red(pixel) * 0.299
1473 + Color.green(pixel) * 0.587
1474 + Color.blue(pixel) * 0.114)
1475 > 186) {
1476 --record;
1477 } else {
1478 ++record;
1479 }
1480 }
1481 }
1482 return record < 0;
1483 }
1484
1485 private boolean paintOverlayBlackPdf(final Bitmap bitmap) {
1486 final int h = bitmap.getHeight();
1487 final int w = bitmap.getWidth();
1488 int white = 0;
1489 for (int y = 0; y < h; ++y) {
1490 for (int x = 0; x < w; ++x) {
1491 int pixel = bitmap.getPixel(x, y);
1492 if ((Color.red(pixel) * 0.299
1493 + Color.green(pixel) * 0.587
1494 + Color.blue(pixel) * 0.114)
1495 > 186) {
1496 white++;
1497 }
1498 }
1499 }
1500 return white > (h * w * 0.4f);
1501 }
1502
1503 private Bitmap cropCenterSquareVideo(Uri uri, int size) {
1504 MediaMetadataRetriever metadataRetriever = new MediaMetadataRetriever();
1505 Bitmap frame;
1506 try {
1507 metadataRetriever.setDataSource(mXmppConnectionService, uri);
1508 frame = metadataRetriever.getFrameAtTime(0);
1509 metadataRetriever.release();
1510 return cropCenterSquare(frame, size);
1511 } catch (Exception e) {
1512 frame = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
1513 frame.eraseColor(0xff000000);
1514 return frame;
1515 }
1516 }
1517
1518 private Bitmap getVideoPreview(final File file, final int size) {
1519 final MediaMetadataRetriever metadataRetriever = new MediaMetadataRetriever();
1520 Bitmap frame;
1521 try {
1522 metadataRetriever.setDataSource(file.getAbsolutePath());
1523 frame = metadataRetriever.getFrameAtTime(0);
1524 metadataRetriever.release();
1525 frame = resize(frame, size);
1526 } catch (IOException | RuntimeException e) {
1527 frame = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
1528 frame.eraseColor(0xff000000);
1529 }
1530 drawOverlay(
1531 frame,
1532 paintOverlayBlack(frame)
1533 ? R.drawable.play_video_black
1534 : R.drawable.play_video_white,
1535 0.75f);
1536 return frame;
1537 }
1538
1539 @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
1540 private Bitmap getPdfDocumentPreview(final File file, final int size) {
1541 try {
1542 final ParcelFileDescriptor fileDescriptor =
1543 ParcelFileDescriptor.open(file, ParcelFileDescriptor.MODE_READ_ONLY);
1544 final Bitmap rendered = renderPdfDocument(fileDescriptor, size, true);
1545 drawOverlay(
1546 rendered,
1547 paintOverlayBlackPdf(rendered)
1548 ? R.drawable.open_pdf_black
1549 : R.drawable.open_pdf_white,
1550 0.75f);
1551 return rendered;
1552 } catch (final IOException | SecurityException e) {
1553 Log.d(Config.LOGTAG, "unable to render PDF document preview", e);
1554 final Bitmap placeholder = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
1555 placeholder.eraseColor(0xff000000);
1556 return placeholder;
1557 }
1558 }
1559
1560 private Bitmap cropCenterSquarePdf(final Uri uri, final int size) {
1561 try {
1562 ParcelFileDescriptor fileDescriptor =
1563 mXmppConnectionService.getContentResolver().openFileDescriptor(uri, "r");
1564 final Bitmap bitmap = renderPdfDocument(fileDescriptor, size, false);
1565 return cropCenterSquare(bitmap, size);
1566 } catch (Exception e) {
1567 final Bitmap placeholder = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
1568 placeholder.eraseColor(0xff000000);
1569 return placeholder;
1570 }
1571 }
1572
1573 private Bitmap renderPdfDocument(
1574 ParcelFileDescriptor fileDescriptor, int targetSize, boolean fit) throws IOException {
1575 final PdfRenderer pdfRenderer = new PdfRenderer(fileDescriptor);
1576 final PdfRenderer.Page page = pdfRenderer.openPage(0);
1577 final Dimensions dimensions =
1578 scalePdfDimensions(
1579 new Dimensions(page.getHeight(), page.getWidth()), targetSize, fit);
1580 final Bitmap rendered =
1581 Bitmap.createBitmap(dimensions.width, dimensions.height, Bitmap.Config.ARGB_8888);
1582 rendered.eraseColor(0xffffffff);
1583 page.render(rendered, null, null, PdfRenderer.Page.RENDER_MODE_FOR_DISPLAY);
1584 page.close();
1585 pdfRenderer.close();
1586 fileDescriptor.close();
1587 return rendered;
1588 }
1589
1590 public Uri getTakePhotoUri() {
1591 final String filename =
1592 String.format("IMG_%s.%s", IMAGE_DATE_FORMAT.format(new Date()), "jpg");
1593 final File directory;
1594 if (Config.ONLY_INTERNAL_STORAGE) {
1595 directory = new File(mXmppConnectionService.getCacheDir(), "Camera");
1596 } else {
1597 directory =
1598 new File(
1599 Environment.getExternalStoragePublicDirectory(
1600 Environment.DIRECTORY_DCIM),
1601 "Camera");
1602 }
1603 final File file = new File(directory, filename);
1604 file.getParentFile().mkdirs();
1605 return getUriForFile(mXmppConnectionService, file, filename);
1606 }
1607
1608 public void deleteHistoricAvatarPath() {
1609 delete(getHistoricAvatarPath());
1610 }
1611
1612 private void delete(final File file) {
1613 if (file.isDirectory()) {
1614 final File[] files = file.listFiles();
1615 if (files != null) {
1616 for (final File f : files) {
1617 delete(f);
1618 }
1619 }
1620 }
1621 if (file.delete()) {
1622 Log.d(Config.LOGTAG, "deleted " + file.getAbsolutePath());
1623 }
1624 }
1625
1626 private File getHistoricAvatarPath() {
1627 return new File(mXmppConnectionService.getFilesDir(), "/avatars/");
1628 }
1629
1630 public static File getAvatarFile(Context context, String avatar) {
1631 final var f = new File(context.getCacheDir(), "/avatars/" + avatar);
1632 if (Build.VERSION.SDK_INT < 26) return f; // Doesn't support file.toPath
1633 try {
1634 if (f.exists()) java.nio.file.Files.setAttribute(f.toPath(), "lastAccessTime", java.nio.file.attribute.FileTime.fromMillis(System.currentTimeMillis()));
1635 } catch (final IOException e) {
1636 Log.w(Config.LOGTAG, "unable to set lastAccessTime for " + f);
1637 }
1638 return f;
1639 }
1640
1641 public File getAvatarFile(final String avatar) {
1642 return getAvatarFile(mXmppConnectionService, avatar);
1643 }
1644
1645 public Uri getAvatarUri(String avatar) {
1646 return Uri.fromFile(getAvatarFile(avatar));
1647 }
1648
1649 public Drawable cropCenterSquareDrawable(final Uri image, final int size) {
1650 if (android.os.Build.VERSION.SDK_INT >= 28) {
1651 try {
1652 ImageDecoder.Source source = ImageDecoder.createSource(mXmppConnectionService.getContentResolver(), image);
1653 return ImageDecoder.decodeDrawable(source, (decoder, info, src) -> {
1654 int w = info.getSize().getWidth();
1655 int h = info.getSize().getHeight();
1656 Rect r = rectForSize(w, h, size);
1657 decoder.setTargetSize(r.width(), r.height());
1658
1659 int newSize = Math.min(r.width(), r.height());
1660 int left = (r.width() - newSize) / 2;
1661 int top = (r.height() - newSize) / 2;
1662 decoder.setCrop(new Rect(left, top, left + newSize, top + newSize));
1663 });
1664 } catch (final IOException e) {
1665 return getSVGSquare(image, size);
1666 }
1667 } else {
1668 Bitmap bitmap = cropCenterSquare(image, size);
1669 return bitmap == null ? null : new BitmapDrawable(bitmap);
1670 }
1671 }
1672
1673 public Bitmap cropCenterSquare(final Uri image, final int size) {
1674 return cropCenterSquare(mXmppConnectionService, image, size);
1675 }
1676
1677 public Bitmap cropCenterSquare(final Context context, final Uri image, final int size) {
1678 if (image == null) {
1679 return null;
1680 }
1681 final BitmapFactory.Options options = new BitmapFactory.Options();
1682 try {
1683 options.inSampleSize = calcSampleSize(context, image, size);
1684 } catch (final IOException | SecurityException e) {
1685 Log.d(Config.LOGTAG, "unable to calculate sample size for " + image, e);
1686 return null;
1687 }
1688 try (final InputStream is =
1689 openInputStream(image)) {
1690 if (is == null) {
1691 return null;
1692 }
1693 final var originalBitmap = BitmapFactory.decodeStream(is, null, options);
1694 if (originalBitmap == null) {
1695 return null;
1696 } else {
1697 final var bitmap = rotate(originalBitmap, getRotation(context, image));
1698 return cropCenterSquare(bitmap, size);
1699 }
1700 } catch (final SecurityException | IOException e) {
1701 Log.d(Config.LOGTAG, "unable to open file " + image, e);
1702 return null;
1703 }
1704 }
1705
1706 public Bitmap cropCenter(final Uri image, final int newHeight, final int newWidth) {
1707 if (image == null) {
1708 return null;
1709 }
1710 InputStream is = null;
1711 try {
1712 BitmapFactory.Options options = new BitmapFactory.Options();
1713 options.inSampleSize = calcSampleSize(image, Math.max(newHeight, newWidth));
1714 is = openInputStream(image);
1715 if (is == null) {
1716 return null;
1717 }
1718 Bitmap source = BitmapFactory.decodeStream(is, null, options);
1719 if (source == null) {
1720 return null;
1721 }
1722 int sourceWidth = source.getWidth();
1723 int sourceHeight = source.getHeight();
1724 float xScale = (float) newWidth / sourceWidth;
1725 float yScale = (float) newHeight / sourceHeight;
1726 float scale = Math.max(xScale, yScale);
1727 float scaledWidth = scale * sourceWidth;
1728 float scaledHeight = scale * sourceHeight;
1729 float left = (newWidth - scaledWidth) / 2;
1730 float top = (newHeight - scaledHeight) / 2;
1731
1732 RectF targetRect = new RectF(left, top, left + scaledWidth, top + scaledHeight);
1733 Bitmap dest = Bitmap.createBitmap(newWidth, newHeight, Bitmap.Config.ARGB_8888);
1734 Canvas canvas = new Canvas(dest);
1735 canvas.drawBitmap(source, null, targetRect, createAntiAliasingPaint());
1736 if (source.isRecycled()) {
1737 source.recycle();
1738 }
1739 return dest;
1740 } catch (SecurityException e) {
1741 return null; // android 6.0 with revoked permissions for example
1742 } catch (IOException e) {
1743 return null;
1744 } finally {
1745 close(is);
1746 }
1747 }
1748
1749 public static Bitmap cropCenterSquare(final Bitmap input, final int sizeIn) {
1750 final int w = input.getWidth();
1751 final int h = input.getHeight();
1752 final int size;
1753 final float outWidth;
1754 final float outHeight;
1755 if (w < sizeIn || h < sizeIn) {
1756 size = Math.min(w, h);
1757 outWidth = w;
1758 outHeight = h;
1759 } else {
1760 size = sizeIn;
1761 final float scale = Math.max((float) sizeIn / h, (float) sizeIn / w);
1762 outWidth = scale * w;
1763 outHeight = scale * h;
1764 }
1765 float left = (size - outWidth) / 2;
1766 float top = (size - outHeight) / 2;
1767 final var target = new RectF(left, top, left + outWidth, top + outHeight);
1768
1769 final var output = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
1770 final var canvas = new Canvas(output);
1771 canvas.drawBitmap(input, null, target, createAntiAliasingPaint());
1772 if (!input.isRecycled()) {
1773 input.recycle();
1774 }
1775 return output;
1776 }
1777
1778 private int calcSampleSize(final Uri image, int size) throws IOException, SecurityException {
1779 return calcSampleSize(mXmppConnectionService, image, size);
1780 }
1781
1782 private int calcSampleSize(final Context context, final Uri image, int size)
1783 throws IOException, SecurityException {
1784 final BitmapFactory.Options options = new BitmapFactory.Options();
1785 options.inJustDecodeBounds = true;
1786 try (final InputStream inputStream =
1787 openInputStream(image)) {
1788 BitmapFactory.decodeStream(inputStream, null, options);
1789 return calcSampleSize(options, size);
1790 }
1791 }
1792
1793 public void updateFileParams(final Message message) {
1794 updateFileParams(message, null);
1795 }
1796
1797 public void updateFileParams(final Message message, final String url) {
1798 updateFileParams(message, url, true);
1799 }
1800
1801 public void updateFileParams(final Message message, String url, boolean updateCids) {
1802 final boolean encrypted =
1803 message.getEncryption() == Message.ENCRYPTION_PGP
1804 || message.getEncryption() == Message.ENCRYPTION_DECRYPTED;
1805 final DownloadableFile file = getFile(message);
1806 final String mime = file.getMimeType();
1807 final boolean privateMessage = message.isPrivateMessage();
1808 final boolean image =
1809 message.getType() == Message.TYPE_IMAGE
1810 || (mime != null && mime.startsWith("image/"));
1811 Message.FileParams fileParams = message.getFileParams();
1812 if (fileParams == null) fileParams = new Message.FileParams();
1813 Cid[] cids = new Cid[0];
1814 try {
1815 cids = calculateCids(new FileInputStream(file));
1816 fileParams.setCids(List.of(cids));
1817 } catch (final IOException | NoSuchAlgorithmException e) { }
1818 if (url == null) {
1819 for (Cid cid : cids) {
1820 url = mXmppConnectionService.getUrlForCid(cid);
1821 if (url != null) {
1822 fileParams.url = url;
1823 break;
1824 }
1825 }
1826 } else {
1827 fileParams.url = url;
1828 }
1829 if (fileParams.getName() == null) fileParams.setName(file.getName());
1830 fileParams.setMediaType(mime);
1831 if (encrypted && !file.exists()) {
1832 Log.d(Config.LOGTAG, "skipping updateFileParams because file is encrypted");
1833 final DownloadableFile encryptedFile = getFile(message, false);
1834 if (encryptedFile.canRead()) fileParams.size = encryptedFile.getSize();
1835 } else {
1836 Log.d(Config.LOGTAG, "running updateFileParams");
1837 final boolean ambiguous = MimeUtils.AMBIGUOUS_CONTAINER_FORMATS.contains(mime);
1838 final boolean video = mime != null && mime.startsWith("video/");
1839 final boolean audio = mime != null && mime.startsWith("audio/");
1840 final boolean pdf = "application/pdf".equals(mime);
1841 if (file.canRead()) fileParams.size = file.getSize();
1842 if (ambiguous) {
1843 try {
1844 final Dimensions dimensions = getVideoDimensions(file);
1845 if (dimensions.valid()) {
1846 Log.d(Config.LOGTAG, "ambiguous file " + mime + " is video");
1847 fileParams.width = dimensions.width;
1848 fileParams.height = dimensions.height;
1849 } else {
1850 Log.d(Config.LOGTAG, "ambiguous file " + mime + " is audio");
1851 fileParams.runtime = getMediaRuntime(file);
1852 }
1853 } catch (final IOException | NotAVideoFile e) {
1854 Log.d(Config.LOGTAG, "ambiguous file " + mime + " is audio");
1855 fileParams.runtime = getMediaRuntime(file);
1856 }
1857 } else if (image || video || pdf) {
1858 try {
1859 final Dimensions dimensions;
1860 if (video) {
1861 dimensions = getVideoDimensions(file);
1862 } else if (pdf) {
1863 dimensions = getPdfDocumentDimensions(file);
1864 } else if ("image/svg+xml".equals(mime)) {
1865 SVG svg = SVG.getFromInputStream(new FileInputStream(file));
1866 dimensions = new Dimensions((int) svg.getDocumentHeight(), (int) svg.getDocumentWidth());
1867 } else {
1868 dimensions = getImageDimensions(file);
1869 }
1870 if (dimensions.valid()) {
1871 fileParams.width = dimensions.width;
1872 fileParams.height = dimensions.height;
1873 }
1874 } catch (final IOException | SVGParseException | NotAVideoFile notAVideoFile) {
1875 Log.d(
1876 Config.LOGTAG,
1877 "file with mime type " + file.getMimeType() + " was not a video file");
1878 // fall threw
1879 }
1880 } else if (audio) {
1881 fileParams.runtime = getMediaRuntime(file);
1882 }
1883 if ("application/webxdc+zip".equals(mime)) {
1884 try {
1885 final var zip = new ZipFile(file);
1886 final ZipEntry manifestEntry = zip == null ? null : zip.getEntry("manifest.toml");
1887 if (manifestEntry != null) {
1888 final var manifest = Toml.parse(zip.getInputStream(manifestEntry));
1889 if (manifest != null) {
1890 final var name = manifest.getString("name");
1891 if (name != null) fileParams.setName(name);
1892 }
1893 }
1894 } catch (final IOException e2) { }
1895 }
1896 try {
1897 Bitmap thumb = getThumbnailBitmap(file, mXmppConnectionService.getResources(), 100, file.getAbsolutePath() + " x 100");
1898 if (thumb != null) {
1899 int[] pixels = new int[thumb.getWidth() * thumb.getHeight()];
1900 byte[] rgba = new byte[pixels.length * 4];
1901 try {
1902 thumb.getPixels(pixels, 0, thumb.getWidth(), 0, 0, thumb.getWidth(), thumb.getHeight());
1903 } catch (final IllegalStateException e) {
1904 Bitmap softThumb = thumb.copy(Bitmap.Config.ARGB_8888, false);
1905 softThumb.getPixels(pixels, 0, thumb.getWidth(), 0, 0, thumb.getWidth(), thumb.getHeight());
1906 softThumb.recycle();
1907 }
1908 for (int i = 0; i < pixels.length; i++) {
1909 rgba[i*4] = (byte)((pixels[i] >> 16) & 0xff);
1910 rgba[(i*4)+1] = (byte)((pixels[i] >> 8) & 0xff);
1911 rgba[(i*4)+2] = (byte)(pixels[i] & 0xff);
1912 rgba[(i*4)+3] = (byte)((pixels[i] >> 24) & 0xff);
1913 }
1914 fileParams.addThumbnail(thumb.getWidth(), thumb.getHeight(), "image/thumbhash", "data:image/thumbhash;base64," + Base64.encodeToString(ThumbHash.rgbaToThumbHash(thumb.getWidth(), thumb.getHeight(), rgba), Base64.NO_WRAP));
1915 }
1916 } catch (final IOException e) { }
1917 }
1918 message.setFileParams(fileParams);
1919 message.setDeleted(false);
1920 message.setType(
1921 privateMessage
1922 ? Message.TYPE_PRIVATE_FILE
1923 : (image ? Message.TYPE_IMAGE : Message.TYPE_FILE));
1924
1925 if (updateCids) {
1926 try {
1927 for (int i = 0; i < cids.length; i++) {
1928 mXmppConnectionService.saveCid(cids[i], file);
1929 }
1930 } catch (XmppConnectionService.BlockedMediaException e) { }
1931 }
1932 }
1933
1934 private int getMediaRuntime(final File file) {
1935 try {
1936 final MediaMetadataRetriever mediaMetadataRetriever = new MediaMetadataRetriever();
1937 mediaMetadataRetriever.setDataSource(file.toString());
1938 final String value =
1939 mediaMetadataRetriever.extractMetadata(
1940 MediaMetadataRetriever.METADATA_KEY_DURATION);
1941 if (Strings.isNullOrEmpty(value)) {
1942 return 0;
1943 }
1944 return Integer.parseInt(value);
1945 } catch (final Exception e) {
1946 return 0;
1947 }
1948 }
1949
1950 private Dimensions getImageDimensions(File file) {
1951 final BitmapFactory.Options options = new BitmapFactory.Options();
1952 options.inJustDecodeBounds = true;
1953 BitmapFactory.decodeFile(file.getAbsolutePath(), options);
1954 final int rotation = getRotation(file);
1955 final boolean rotated = rotation == 90 || rotation == 270;
1956 final int imageHeight = rotated ? options.outWidth : options.outHeight;
1957 final int imageWidth = rotated ? options.outHeight : options.outWidth;
1958 return new Dimensions(imageHeight, imageWidth);
1959 }
1960
1961 private Dimensions getVideoDimensions(final File file) throws NotAVideoFile, IOException {
1962 MediaMetadataRetriever metadataRetriever = new MediaMetadataRetriever();
1963 try {
1964 metadataRetriever.setDataSource(file.getAbsolutePath());
1965 } catch (RuntimeException e) {
1966 throw new NotAVideoFile(e);
1967 }
1968 return getVideoDimensions(metadataRetriever);
1969 }
1970
1971 private Dimensions getPdfDocumentDimensions(final File file) {
1972 final ParcelFileDescriptor fileDescriptor;
1973 try {
1974 fileDescriptor = ParcelFileDescriptor.open(file, ParcelFileDescriptor.MODE_READ_ONLY);
1975 if (fileDescriptor == null) {
1976 return new Dimensions(0, 0);
1977 }
1978 } catch (final FileNotFoundException e) {
1979 return new Dimensions(0, 0);
1980 }
1981 try {
1982 final PdfRenderer pdfRenderer = new PdfRenderer(fileDescriptor);
1983 final PdfRenderer.Page page = pdfRenderer.openPage(0);
1984 final int height = page.getHeight();
1985 final int width = page.getWidth();
1986 page.close();
1987 pdfRenderer.close();
1988 return scalePdfDimensions(new Dimensions(height, width));
1989 } catch (final IOException | SecurityException e) {
1990 Log.d(Config.LOGTAG, "unable to get dimensions for pdf document", e);
1991 return new Dimensions(0, 0);
1992 }
1993 }
1994
1995 private Dimensions scalePdfDimensions(Dimensions in) {
1996 final DisplayMetrics displayMetrics =
1997 mXmppConnectionService.getResources().getDisplayMetrics();
1998 final int target = (int) (displayMetrics.density * 288);
1999 return scalePdfDimensions(in, target, true);
2000 }
2001
2002 private static Dimensions scalePdfDimensions(
2003 final Dimensions in, final int target, final boolean fit) {
2004 final int w, h;
2005 if (fit == (in.width <= in.height)) {
2006 w = Math.max((int) (in.width / ((double) in.height / target)), 1);
2007 h = target;
2008 } else {
2009 w = target;
2010 h = Math.max((int) (in.height / ((double) in.width / target)), 1);
2011 }
2012 return new Dimensions(h, w);
2013 }
2014
2015 public Drawable getAvatar(String avatar, int size) {
2016 if (avatar == null) {
2017 return null;
2018 }
2019
2020 if (android.os.Build.VERSION.SDK_INT >= 28) {
2021 try {
2022 ImageDecoder.Source source = ImageDecoder.createSource(getAvatarFile(avatar));
2023 return ImageDecoder.decodeDrawable(source, (decoder, info, src) -> {
2024 int w = info.getSize().getWidth();
2025 int h = info.getSize().getHeight();
2026 Rect r = rectForSize(w, h, size);
2027 decoder.setTargetSize(r.width(), r.height());
2028
2029 int newSize = Math.min(r.width(), r.height());
2030 int left = (r.width() - newSize) / 2;
2031 int top = (r.height() - newSize) / 2;
2032 decoder.setCrop(new Rect(left, top, left + newSize, top + newSize));
2033 });
2034 } catch (final IOException e) {
2035 return getSVGSquare(getAvatarUri(avatar), size);
2036 }
2037 } else {
2038 Bitmap bm = cropCenter(getAvatarUri(avatar), size, size);
2039 return bm == null ? null : new BitmapDrawable(bm);
2040 }
2041 }
2042
2043 public Drawable getSVGSquare(Uri uri, int size) {
2044 try {
2045 SVG svg = SVG.getFromInputStream(mXmppConnectionService.getContentResolver().openInputStream(uri));
2046 svg.setDocumentPreserveAspectRatio(com.caverock.androidsvg.PreserveAspectRatio.FULLSCREEN);
2047
2048 float w = svg.getDocumentWidth();
2049 float h = svg.getDocumentHeight();
2050 float scale = Math.max((float) size / h, (float) size / w);
2051 float outWidth = scale * w;
2052 float outHeight = scale * h;
2053 float left = (size - outWidth) / 2;
2054 float top = (size - outHeight) / 2;
2055 RectF target = new RectF(left, top, left + outWidth, top + outHeight);
2056 if (svg.getDocumentViewBox() == null) svg.setDocumentViewBox(0, 0, w, h);
2057 svg.setDocumentWidth("100%");
2058 svg.setDocumentHeight("100%");
2059
2060 Bitmap output = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
2061 Canvas canvas = new Canvas(output);
2062 svg.renderToCanvas(canvas, target);
2063
2064 return new SVGDrawable(output);
2065 } catch (final IOException | SVGParseException | IllegalArgumentException e) {
2066 Log.w(Config.LOGTAG, "Could not parse SVG: " + e);
2067 return null;
2068 }
2069 }
2070
2071 public Drawable getSVG(File file, int size) {
2072 try {
2073 SVG svg = SVG.getFromInputStream(new FileInputStream(file));
2074 return drawSVG(svg, size);
2075 } catch (final IOException | SVGParseException | IllegalArgumentException e) {
2076 Log.w(Config.LOGTAG, "Could not parse SVG: " + e);
2077 return null;
2078 }
2079 }
2080
2081 public Drawable drawSVG(SVG svg, int size) {
2082 try {
2083 svg.setDocumentPreserveAspectRatio(com.caverock.androidsvg.PreserveAspectRatio.LETTERBOX);
2084
2085 float w = svg.getDocumentWidth();
2086 float h = svg.getDocumentHeight();
2087 Rect r = rectForSize(w < 1 ? size : (int) w, h < 1 ? size : (int) h, size);
2088 if (svg.getDocumentViewBox() == null) svg.setDocumentViewBox(0, 0, w, h);
2089 svg.setDocumentWidth("100%");
2090 svg.setDocumentHeight("100%");
2091
2092 Bitmap output = Bitmap.createBitmap(r.width(), r.height(), Bitmap.Config.ARGB_8888);
2093 Canvas canvas = new Canvas(output);
2094 svg.renderToCanvas(canvas);
2095
2096 return new SVGDrawable(output);
2097 } catch (final SVGParseException e) {
2098 Log.w(Config.LOGTAG, "Could not parse SVG: " + e);
2099 return null;
2100 }
2101 }
2102
2103 private static class Dimensions {
2104 public final int width;
2105 public final int height;
2106
2107 Dimensions(int height, int width) {
2108 this.width = width;
2109 this.height = height;
2110 }
2111
2112 public int getMin() {
2113 return Math.min(width, height);
2114 }
2115
2116 public boolean valid() {
2117 return width > 0 && height > 0;
2118 }
2119 }
2120
2121 private static class NotAVideoFile extends Exception {
2122 public NotAVideoFile(Throwable t) {
2123 super(t);
2124 }
2125
2126 public NotAVideoFile() {
2127 super();
2128 }
2129 }
2130
2131 public static class ImageCompressionException extends Exception {
2132
2133 ImageCompressionException(String message) {
2134 super(message);
2135 }
2136 }
2137
2138 public static class FileCopyException extends Exception {
2139 private final int resId;
2140
2141 private FileCopyException(@StringRes int resId) {
2142 this.resId = resId;
2143 }
2144
2145 public @StringRes int getResId() {
2146 return resId;
2147 }
2148 }
2149
2150 public static class SVGDrawable extends BitmapDrawable {
2151 public SVGDrawable(Bitmap bm) { super(bm); }
2152 }
2153}