Merge tag '1.6.3' into trz/rebasetrz/merge_1.6.3

Conflicts:
	CHANGELOG.md
	README.md
	art/render.rb
	build.gradle
	src/main/java/eu/siacs/conversations/Config.java
	src/main/java/eu/siacs/conversations/crypto/OtrService.java
	src/main/java/eu/siacs/conversations/crypto/PgpEngine.java
	src/main/java/eu/siacs/conversations/entities/Account.java
	src/main/java/eu/siacs/conversations/entities/Contact.java
	src/main/java/eu/siacs/conversations/entities/DownloadableFile.java
	src/main/java/eu/siacs/conversations/entities/Message.java
	src/main/java/eu/siacs/conversations/generator/AbstractGenerator.java
	src/main/java/eu/siacs/conversations/generator/IqGenerator.java
	src/main/java/eu/siacs/conversations/generator/MessageGenerator.java
	src/main/java/eu/siacs/conversations/http/HttpConnectionManager.java
	src/main/java/eu/siacs/conversations/http/HttpDownloadConnection.java
	src/main/java/eu/siacs/conversations/http/HttpUploadConnection.java
	src/main/java/eu/siacs/conversations/parser/AbstractParser.java
	src/main/java/eu/siacs/conversations/parser/MessageParser.java
	src/main/java/eu/siacs/conversations/persistance/DatabaseBackend.java
	src/main/java/eu/siacs/conversations/persistance/FileBackend.java
	src/main/java/eu/siacs/conversations/services/NotificationService.java
	src/main/java/eu/siacs/conversations/services/XmppConnectionService.java
	src/main/java/eu/siacs/conversations/ui/ContactDetailsActivity.java
	src/main/java/eu/siacs/conversations/ui/ConversationActivity.java
	src/main/java/eu/siacs/conversations/ui/ConversationFragment.java
	src/main/java/eu/siacs/conversations/ui/EditAccountActivity.java
	src/main/java/eu/siacs/conversations/ui/SettingsActivity.java
	src/main/java/eu/siacs/conversations/ui/XmppActivity.java
	src/main/java/eu/siacs/conversations/ui/adapter/AccountAdapter.java
	src/main/java/eu/siacs/conversations/ui/adapter/ConversationAdapter.java
	src/main/java/eu/siacs/conversations/ui/adapter/ListItemAdapter.java
	src/main/java/eu/siacs/conversations/ui/adapter/MessageAdapter.java
	src/main/java/eu/siacs/conversations/utils/CryptoHelper.java
	src/main/java/eu/siacs/conversations/utils/DNSHelper.java
	src/main/java/eu/siacs/conversations/utils/MimeUtils.java
	src/main/java/eu/siacs/conversations/utils/UIHelper.java
	src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java
	src/main/java/eu/siacs/conversations/xmpp/jingle/JingleConnection.java
	src/main/java/eu/siacs/conversations/xmpp/jingle/JingleInbandTransport.java
	src/main/java/eu/siacs/conversations/xmpp/jingle/JingleSocks5Transport.java
	src/main/java/eu/siacs/conversations/xmpp/stanzas/MessagePacket.java
	src/main/res/layout/account_row.xml
	src/main/res/layout/activity_edit_account.xml
	src/main/res/layout/activity_muc_details.xml
	src/main/res/layout/contact.xml
	src/main/res/layout/contact_key.xml
	src/main/res/layout/conversation_list_row.xml
	src/main/res/layout/fragment_conversation.xml
	src/main/res/layout/message_received.xml
	src/main/res/layout/message_sent.xml
	src/main/res/values-bg/strings.xml
	src/main/res/values-ca/strings.xml
	src/main/res/values-cs/strings.xml
	src/main/res/values-de/strings.xml
	src/main/res/values-el/strings.xml
	src/main/res/values-es/strings.xml
	src/main/res/values-eu/strings.xml
	src/main/res/values-id/strings.xml
	src/main/res/values-it/strings.xml
	src/main/res/values-ja/strings.xml
	src/main/res/values-ko/strings.xml
	src/main/res/values-nl/strings.xml
	src/main/res/values-pl/strings.xml
	src/main/res/values-pt/strings.xml
	src/main/res/values-ru/strings.xml
	src/main/res/values-sk/strings.xml
	src/main/res/values-sr/strings.xml
	src/main/res/values-sv/strings.xml
	src/main/res/values-v21/themes.xml
	src/main/res/values-zh-rCN/strings.xml
	src/main/res/values/arrays.xml
	src/main/res/values/colors.xml
	src/main/res/values/dimens.xml
	src/main/res/values/strings.xml
	src/main/res/xml/preferences.xml

1 files changed, 101 insertions, 0 deletions

diff --git a/src/main/java/eu/siacs/conversations/services/AbstractConnectionManager.java b/src/main/java/eu/siacs/conversations/services/AbstractConnectionManager.java
index 676a09c9..5def05dd 100644
--- a/src/main/java/eu/siacs/conversations/services/AbstractConnectionManager.java
+++ b/src/main/java/eu/siacs/conversations/services/AbstractConnectionManager.java
@@ -1,5 +1,35 @@
 package eu.siacs.conversations.services;
 
+import android.content.Context;
+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;
 
@@ -20,4 +50,75 @@ public class AbstractConnectionManager {
 			return 524288;
 		}
 	}
+
+	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 createOutputStream(DownloadableFile file, boolean gcm) {
+		FileOutputStream os;
+		try {
+			os = new FileOutputStream(file);
+			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);
+	}
 }