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Diffstat (limited to 'src/main/java/eu/siacs/conversations/services/AbstractConnectionManager.java')
-rw-r--r--src/main/java/eu/siacs/conversations/services/AbstractConnectionManager.java133
1 files changed, 0 insertions, 133 deletions
diff --git a/src/main/java/eu/siacs/conversations/services/AbstractConnectionManager.java b/src/main/java/eu/siacs/conversations/services/AbstractConnectionManager.java
deleted file mode 100644
index 7728c38a..00000000
--- a/src/main/java/eu/siacs/conversations/services/AbstractConnectionManager.java
+++ /dev/null
@@ -1,133 +0,0 @@
-package eu.siacs.conversations.services;
-
-import android.Manifest;
-import android.content.Context;
-import android.content.pm.PackageManager;
-import android.os.Build;
-import android.os.PowerManager;
-import android.util.Log;
-import android.util.Pair;
-
-import org.bouncycastle.crypto.engines.AESEngine;
-import org.bouncycastle.crypto.modes.AEADBlockCipher;
-import org.bouncycastle.crypto.modes.GCMBlockCipher;
-import org.bouncycastle.crypto.params.AEADParameters;
-import org.bouncycastle.crypto.params.KeyParameter;
-
-import java.io.FileInputStream;
-import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.security.InvalidAlgorithmParameterException;
-import java.security.InvalidKeyException;
-import java.security.NoSuchAlgorithmException;
-
-import javax.crypto.Cipher;
-import javax.crypto.CipherInputStream;
-import javax.crypto.CipherOutputStream;
-import javax.crypto.NoSuchPaddingException;
-import javax.crypto.spec.IvParameterSpec;
-import javax.crypto.spec.SecretKeySpec;
-
-import eu.siacs.conversations.Config;
-import eu.siacs.conversations.entities.DownloadableFile;
-
-public class AbstractConnectionManager {
- protected XmppConnectionService mXmppConnectionService;
-
- public AbstractConnectionManager(XmppConnectionService service) {
- this.mXmppConnectionService = service;
- }
-
- public XmppConnectionService getXmppConnectionService() {
- return this.mXmppConnectionService;
- }
-
- public boolean hasStoragePermission() {
- if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
- return mXmppConnectionService.checkSelfPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED;
- } else {
- return true;
- }
- }
-
- public static Pair<InputStream,Integer> createInputStream(DownloadableFile file, boolean gcm) throws FileNotFoundException {
- FileInputStream is;
- int size;
- is = new FileInputStream(file);
- size = (int) file.getSize();
- if (file.getKey() == null) {
- return new Pair<InputStream,Integer>(is,size);
- }
- try {
- if (gcm) {
- AEADBlockCipher cipher = new GCMBlockCipher(new AESEngine());
- cipher.init(true, new AEADParameters(new KeyParameter(file.getKey()), 128, file.getIv()));
- InputStream cis = new org.bouncycastle.crypto.io.CipherInputStream(is, cipher);
- return new Pair<>(cis, cipher.getOutputSize(size));
- } else {
- IvParameterSpec ips = new IvParameterSpec(file.getIv());
- Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
- cipher.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(file.getKey(), "AES"), ips);
- Log.d(Config.LOGTAG, "opening encrypted input stream");
- final int s = Config.REPORT_WRONG_FILESIZE_IN_OTR_JINGLE ? size : (size / 16 + 1) * 16;
- return new Pair<InputStream,Integer>(new CipherInputStream(is, cipher),s);
- }
- } catch (InvalidKeyException e) {
- return null;
- } catch (NoSuchAlgorithmException e) {
- return null;
- } catch (NoSuchPaddingException e) {
- return null;
- } catch (InvalidAlgorithmParameterException e) {
- return null;
- }
- }
-
- public static OutputStream createAppendedOutputStream(DownloadableFile file) {
- return createOutputStream(file, false, true);
- }
-
- public static OutputStream createOutputStream(DownloadableFile file, boolean gcm) {
- return createOutputStream(file, gcm, false);
- }
-
- private static OutputStream createOutputStream(DownloadableFile file, boolean gcm, boolean append) {
- FileOutputStream os;
- try {
- os = new FileOutputStream(file, append);
- if (file.getKey() == null) {
- return os;
- }
- } catch (FileNotFoundException e) {
- return null;
- }
- try {
- if (gcm) {
- AEADBlockCipher cipher = new GCMBlockCipher(new AESEngine());
- cipher.init(false, new AEADParameters(new KeyParameter(file.getKey()), 128, file.getIv()));
- return new org.bouncycastle.crypto.io.CipherOutputStream(os, cipher);
- } else {
- IvParameterSpec ips = new IvParameterSpec(file.getIv());
- Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
- cipher.init(Cipher.DECRYPT_MODE, new SecretKeySpec(file.getKey(), "AES"), ips);
- Log.d(Config.LOGTAG, "opening encrypted output stream");
- return new CipherOutputStream(os, cipher);
- }
- } catch (InvalidKeyException e) {
- return null;
- } catch (NoSuchAlgorithmException e) {
- return null;
- } catch (NoSuchPaddingException e) {
- return null;
- } catch (InvalidAlgorithmParameterException e) {
- return null;
- }
- }
-
- public PowerManager.WakeLock createWakeLock(String name) {
- PowerManager powerManager = (PowerManager) mXmppConnectionService.getSystemService(Context.POWER_SERVICE);
- return powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,name);
- }
-}