aboutsummaryrefslogtreecommitdiffstats
path: root/src/eu/siacs/conversations/persistance/FileBackend.java
diff options
context:
space:
mode:
Diffstat (limited to 'src/eu/siacs/conversations/persistance/FileBackend.java')
-rw-r--r--src/eu/siacs/conversations/persistance/FileBackend.java270
1 files changed, 240 insertions, 30 deletions
diff --git a/src/eu/siacs/conversations/persistance/FileBackend.java b/src/eu/siacs/conversations/persistance/FileBackend.java
index 1ee68a27..8fdc7ee7 100644
--- a/src/eu/siacs/conversations/persistance/FileBackend.java
+++ b/src/eu/siacs/conversations/persistance/FileBackend.java
@@ -1,25 +1,42 @@
package eu.siacs.conversations.persistance;
+import java.io.ByteArrayOutputStream;
import java.io.File;
-import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
+import java.security.DigestOutputStream;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.Locale;
import android.content.Context;
+import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
+import android.graphics.Canvas;
import android.graphics.Matrix;
+import android.graphics.RectF;
import android.media.ExifInterface;
import android.net.Uri;
+import android.os.Environment;
+import android.provider.MediaStore;
+import android.util.Base64;
+import android.util.Base64OutputStream;
import android.util.Log;
import android.util.LruCache;
import eu.siacs.conversations.R;
import eu.siacs.conversations.entities.Conversation;
import eu.siacs.conversations.entities.Message;
+import eu.siacs.conversations.services.ImageProvider;
+import eu.siacs.conversations.utils.CryptoHelper;
+import eu.siacs.conversations.utils.UIHelper;
import eu.siacs.conversations.xmpp.jingle.JingleFile;
+import eu.siacs.conversations.xmpp.pep.Avatar;
public class FileBackend {
@@ -27,6 +44,8 @@ public class FileBackend {
private Context context;
private LruCache<String, Bitmap> thumbnailCache;
+
+ private SimpleDateFormat imageDateFormat = new SimpleDateFormat("yyyyMMdd_HHmmssSSS",Locale.US);
public FileBackend(Context context) {
this.context = context;
@@ -45,11 +64,11 @@ public class FileBackend {
return thumbnailCache;
}
- public JingleFile getJingleFile(Message message) {
- return getJingleFile(message, true);
+ public JingleFile getJingleFileLegacy(Message message) {
+ return getJingleFileLegacy(message, true);
}
- public JingleFile getJingleFile(Message message, boolean decrypted) {
+ public JingleFile getJingleFileLegacy(Message message, boolean decrypted) {
Conversation conversation = message.getConversation();
String prefix = context.getFilesDir().getAbsolutePath();
String path = prefix + "/" + conversation.getAccount().getJid() + "/"
@@ -66,7 +85,28 @@ public class FileBackend {
}
return new JingleFile(path + "/" + filename);
}
+
+ public JingleFile getJingleFile(Message message) {
+ return getJingleFile(message, true);
+ }
+ public JingleFile getJingleFile(Message message, boolean decrypted) {
+ StringBuilder filename = new StringBuilder();
+ filename.append(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES).getAbsolutePath());
+ filename.append("/Conversations/");
+ filename.append(message.getUuid());
+ if ((decrypted) || (message.getEncryption() == Message.ENCRYPTION_NONE)) {
+ filename.append(".webp");
+ } else {
+ if (message.getEncryption() == Message.ENCRYPTION_OTR) {
+ filename.append(".webp");
+ } else {
+ filename.append(".webp.pgp");
+ }
+ }
+ return new JingleFile(filename.toString());
+ }
+
public Bitmap resize(Bitmap originalBitmap, int size) {
int w = originalBitmap.getWidth();
int h = originalBitmap.getHeight();
@@ -104,13 +144,7 @@ public class FileBackend {
private JingleFile copyImageToPrivateStorage(Message message, Uri image,
int sampleSize) throws ImageCopyException {
try {
- InputStream is;
- if (image != null) {
- is = context.getContentResolver().openInputStream(image);
- } else {
- is = new FileInputStream(getIncomingFile());
- image = getIncomingUri();
- }
+ InputStream is = context.getContentResolver().openInputStream(image);
JingleFile file = getJingleFile(message);
file.getParentFile().mkdirs();
file.createNewFile();
@@ -125,21 +159,11 @@ public class FileBackend {
if (originalBitmap == null) {
throw new ImageCopyException(R.string.error_not_an_image_file);
}
- if (image == null) {
- getIncomingFile().delete();
- }
Bitmap scalledBitmap = resize(originalBitmap, IMAGE_SIZE);
originalBitmap = null;
- ExifInterface exif = new ExifInterface(image.toString());
- if (exif.getAttribute(ExifInterface.TAG_ORIENTATION)
- .equalsIgnoreCase("6")) {
- scalledBitmap = rotate(scalledBitmap, 90);
- } else if (exif.getAttribute(ExifInterface.TAG_ORIENTATION)
- .equalsIgnoreCase("8")) {
- scalledBitmap = rotate(scalledBitmap, 270);
- } else if (exif.getAttribute(ExifInterface.TAG_ORIENTATION)
- .equalsIgnoreCase("3")) {
- scalledBitmap = rotate(scalledBitmap, 180);
+ int rotation = getRotation(image);
+ if (rotation > 0) {
+ scalledBitmap = rotate(scalledBitmap, rotation);
}
OutputStream os = new FileOutputStream(file);
boolean success = scalledBitmap.compress(
@@ -170,6 +194,38 @@ public class FileBackend {
}
}
}
+
+ private int getRotation(Uri image) {
+ if ("content".equals(image.getScheme())) {
+ Cursor cursor = context.getContentResolver().query(image,
+ new String[] { MediaStore.Images.ImageColumns.ORIENTATION }, null, null, null);
+
+ if (cursor.getCount() != 1) {
+ return -1;
+ }
+ cursor.moveToFirst();
+ return cursor.getInt(0);
+ } else {
+ ExifInterface exif;
+ try {
+ exif = new ExifInterface(image.toString());
+ if (exif.getAttribute(ExifInterface.TAG_ORIENTATION)
+ .equalsIgnoreCase("6")) {
+ return 90;
+ } else if (exif.getAttribute(ExifInterface.TAG_ORIENTATION)
+ .equalsIgnoreCase("8")) {
+ return 270;
+ } else if (exif.getAttribute(ExifInterface.TAG_ORIENTATION)
+ .equalsIgnoreCase("3")) {
+ return 180;
+ } else {
+ return 0;
+ }
+ } catch (IOException e) {
+ return -1;
+ }
+ }
+ }
public Bitmap getImageFromMessage(Message message) {
return BitmapFactory.decodeFile(getJingleFile(message)
@@ -180,8 +236,11 @@ public class FileBackend {
throws FileNotFoundException {
Bitmap thumbnail = thumbnailCache.get(message.getUuid());
if ((thumbnail == null) && (!cacheOnly)) {
- Bitmap fullsize = BitmapFactory.decodeFile(getJingleFile(message)
- .getAbsolutePath());
+ File file = getJingleFile(message);
+ if (!file.exists()) {
+ file = getJingleFileLegacy(message);
+ }
+ Bitmap fullsize = BitmapFactory.decodeFile(file.getAbsolutePath());
if (fullsize == null) {
throw new FileNotFoundException();
}
@@ -212,12 +271,155 @@ public class FileBackend {
f.delete();
}
- public File getIncomingFile() {
- return new File(context.getFilesDir().getAbsolutePath() + "/incoming");
+ public Uri getTakePhotoUri() {
+ StringBuilder pathBuilder = new StringBuilder();
+ pathBuilder.append(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM));
+ pathBuilder.append('/');
+ pathBuilder.append("Camera");
+ pathBuilder.append('/');
+ pathBuilder.append("IMG_"+this.imageDateFormat.format(new Date())+".jpg");
+ Uri uri = Uri.parse("file://"+pathBuilder.toString());
+ File file = new File(uri.toString());
+ file.getParentFile().mkdirs();
+ return uri;
+ }
+
+ 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 mBase64OutputSttream = new Base64OutputStream(mByteArrayOutputStream, Base64.DEFAULT);
+ MessageDigest digest = MessageDigest.getInstance("SHA-1");
+ DigestOutputStream mDigestOutputStream = new DigestOutputStream(mBase64OutputSttream, 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 boolean isAvatarCached(Avatar avatar) {
+ File file = new File(getAvatarPath(context, avatar.getFilename()));
+ return file.exists();
+ }
+
+ public boolean save(Avatar avatar) {
+ if (isAvatarCached(avatar)) {
+ return true;
+ }
+ String filename = getAvatarPath(context, avatar.getFilename());
+ File file = new File(filename+".tmp");
+ file.getParentFile().mkdirs();
+ try {
+ file.createNewFile();
+ FileOutputStream mFileOutputStream = new FileOutputStream(file);
+ MessageDigest digest = MessageDigest.getInstance("SHA-1");
+ digest.reset();
+ DigestOutputStream mDigestOutputStream = new DigestOutputStream(mFileOutputStream, digest);
+ mDigestOutputStream.write(avatar.getImageAsBytes());
+ mDigestOutputStream.flush();
+ mDigestOutputStream.close();
+ avatar.size = file.length();
+ String sha1sum = CryptoHelper.bytesToHex(digest.digest());
+ if (sha1sum.equals(avatar.sha1sum)) {
+ file.renameTo(new File(filename));
+ return true;
+ } else {
+ Log.d("xmppService","sha1sum mismatch for "+avatar.owner);
+ file.delete();
+ return false;
+ }
+ } catch (FileNotFoundException e) {
+ return false;
+ } catch (IOException e) {
+ return false;
+ } catch (NoSuchAlgorithmException e) {
+ return false;
+ }
+ }
+
+ public static String getAvatarPath(Context context, String avatar) {
+ return context.getFilesDir().getAbsolutePath() + "/avatars/"+avatar;
+ }
+
+ public Bitmap cropCenterSquare(Uri image, int size) {
+ try {
+ BitmapFactory.Options options = new BitmapFactory.Options();
+ options.inSampleSize = calcSampleSize(image, size);
+ InputStream is = context.getContentResolver()
+ .openInputStream(image);
+ Bitmap input = BitmapFactory.decodeStream(is, null, options);
+ if (input==null) {
+ return null;
+ } else {
+ return cropCenterSquare(input, size);
+ }
+ } catch (FileNotFoundException e) {
+ return null;
+ }
}
- public Uri getIncomingUri() {
- return Uri.parse(context.getFilesDir().getAbsolutePath() + "/incoming");
+ public static 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, input.getConfig());
+ Canvas canvas = new Canvas(output);
+ canvas.drawBitmap(input, null, target, null);
+ return output;
+ }
+
+ private int calcSampleSize(Uri image, int size)
+ throws FileNotFoundException {
+ BitmapFactory.Options options = new BitmapFactory.Options();
+ options.inJustDecodeBounds = true;
+ BitmapFactory.decodeStream(context.getContentResolver()
+ .openInputStream(image), null, options);
+ 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 Uri getJingleFileUri(Message message) {
+ File file = getJingleFile(message);
+ if (file.exists()) {
+ return Uri.parse("file://"+file.getAbsolutePath());
+ } else {
+ return ImageProvider.getProviderUri(message);
+ }
}
public class ImageCopyException extends Exception {
@@ -232,4 +434,12 @@ public class FileBackend {
return resId;
}
}
+
+ public static Bitmap getAvatar(String avatar, int size, Context context) {
+ Bitmap bm = BitmapFactory.decodeFile(FileBackend.getAvatarPath(context, avatar));
+ if (bm==null) {
+ return null;
+ }
+ return cropCenterSquare(bm, UIHelper.getRealPx(size, context));
+ }
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-08 13:06:12 +0000