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authorsteckbrief <steckbrief@chefmail.de>2016-10-20 19:45:26 +0200
committersteckbrief <steckbrief@chefmail.de>2016-10-20 19:45:26 +0200
commit59e861ee6904296cbe8dd43c4a29513c2e928981 (patch)
treea3bf768814ece1c377caefca35bc535c758a47c5 /src/main/java/de/thedevstack/conversationsplus/utils
parent2860088f0ea1cd5753756861c71cc7c118094f32 (diff)
parent9ec29bb1dcf664fea606105b7e700641a4b44ae4 (diff)
Merge remote-tracking branch 'remotes/origin/trz/rename' into trz/rebase
Diffstat (limited to 'src/main/java/de/thedevstack/conversationsplus/utils')
-rw-r--r--src/main/java/de/thedevstack/conversationsplus/utils/ConversationUtil.java7
-rw-r--r--src/main/java/de/thedevstack/conversationsplus/utils/ImageUtil.java22
-rw-r--r--src/main/java/de/thedevstack/conversationsplus/utils/MessageUtil.java71
-rw-r--r--src/main/java/de/thedevstack/conversationsplus/utils/SimpleCryptoUtil.java110
4 files changed, 176 insertions, 34 deletions
diff --git a/src/main/java/de/thedevstack/conversationsplus/utils/ConversationUtil.java b/src/main/java/de/thedevstack/conversationsplus/utils/ConversationUtil.java
index 958e9de8..25c8b3ba 100644
--- a/src/main/java/de/thedevstack/conversationsplus/utils/ConversationUtil.java
+++ b/src/main/java/de/thedevstack/conversationsplus/utils/ConversationUtil.java
@@ -3,6 +3,7 @@ package de.thedevstack.conversationsplus.utils;
import android.net.Uri;
import de.thedevstack.conversationsplus.ConversationsPlusApplication;
+import de.thedevstack.conversationsplus.enums.FileStatus;
import de.thedevstack.conversationsplus.exceptions.FileCopyException;
import eu.siacs.conversations.crypto.PgpEngine;
@@ -45,10 +46,12 @@ public class ConversationUtil {
message = new Message(conversation, "", conversation.getNextEncryption());
}
message.setCounterpart(conversation.getNextCounterpart());
- message.setType(Message.TYPE_FILE);
+ //message.setType(Message.TYPE_FILE);
+ message.getFileParams().setFileStatus(FileStatus.NEEDS_UPLOAD);
String path = FileUtils.getPath(uri);
if (path != null) {
- message.setRelativeFilePath(path);
+ message.getFileParams().setPath(path);
+ message.setRelativeFilePath(path); // TODO: Remove when everything is moved to fileparams
MessageUtil.updateFileParams(message);
if (message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
PgpEngine.getInstance().encrypt(message, callback);
diff --git a/src/main/java/de/thedevstack/conversationsplus/utils/ImageUtil.java b/src/main/java/de/thedevstack/conversationsplus/utils/ImageUtil.java
index b28e6f1c..0edf6ad0 100644
--- a/src/main/java/de/thedevstack/conversationsplus/utils/ImageUtil.java
+++ b/src/main/java/de/thedevstack/conversationsplus/utils/ImageUtil.java
@@ -338,20 +338,28 @@ public final class ImageUtil {
public static int calcSampleSize(Uri image, int size) throws FileNotFoundException {
BitmapFactory.Options options = new BitmapFactory.Options();
options.inJustDecodeBounds = true;
- BitmapFactory.decodeStream(StreamUtil.openInputStreamFromContentResolver(image), null, options);
- return calcSampleSize(options, size);
+ Bitmap bmp = BitmapFactory.decodeStream(StreamUtil.openInputStreamFromContentResolver(image), null, options);
+ int height = options.outHeight;
+ int width = options.outWidth;
+ if (null != bmp) {
+ bmp.recycle();
+ }
+ return calcSampleSize(width, height, size);
}
public static int calcSampleSize(File image, int size) {
BitmapFactory.Options options = new BitmapFactory.Options();
options.inJustDecodeBounds = true;
- BitmapFactory.decodeFile(image.getAbsolutePath(), options);
- return calcSampleSize(options, size);
- }
-
- public static int calcSampleSize(BitmapFactory.Options options, int size) {
+ Bitmap bmp = BitmapFactory.decodeFile(image.getAbsolutePath(), options);
int height = options.outHeight;
int width = options.outWidth;
+ if (null != bmp) {
+ bmp.recycle();
+ }
+ return calcSampleSize(width, height, size);
+ }
+
+ private static int calcSampleSize(int width, int height, int size) {
int inSampleSize = 1;
if (height > size || width > size) {
diff --git a/src/main/java/de/thedevstack/conversationsplus/utils/MessageUtil.java b/src/main/java/de/thedevstack/conversationsplus/utils/MessageUtil.java
index ca24bd1d..37e39285 100644
--- a/src/main/java/de/thedevstack/conversationsplus/utils/MessageUtil.java
+++ b/src/main/java/de/thedevstack/conversationsplus/utils/MessageUtil.java
@@ -1,5 +1,6 @@
package de.thedevstack.conversationsplus.utils;
+import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import java.net.URL;
@@ -7,6 +8,8 @@ import java.util.regex.Matcher;
import java.util.regex.Pattern;
import de.thedevstack.conversationsplus.ConversationsPlusApplication;
+import de.thedevstack.conversationsplus.entities.FileParams;
+import de.thedevstack.conversationsplus.enums.FileStatus;
import eu.siacs.conversations.entities.Conversation;
import eu.siacs.conversations.entities.DownloadableFile;
@@ -19,6 +22,29 @@ import eu.siacs.conversations.persistance.FileBackend;
*/
public final class MessageUtil {
+ public static boolean needsDownload(Message message) {
+ FileStatus fileStatus = (null != message.getFileParams()) ? message.getFileParams().getFileStatus() : null;
+ return (null != fileStatus && (fileStatus == FileStatus.NEEDS_DOWNLOAD
+ || fileStatus == FileStatus.UNDEFINED))
+ && message.treatAsDownloadable() != Message.Decision.NEVER;
+ }
+
+ public static boolean isMessageSent(Message message) {
+ switch (message.getStatus()) {
+ case Message.STATUS_SEND:
+ case Message.STATUS_SEND_DISPLAYED:
+ case Message.STATUS_SEND_RECEIVED:
+ return true;
+ default:
+ return false;
+ }
+ }
+
+ public static void setAndSaveFileStatus(Message message, FileStatus fileStatus) {
+ message.getFileParams().setFileStatus(fileStatus);
+ DatabaseBackend.getInstance().updateMessage(message);
+ UiUpdateHelper.updateConversationUi();
+ }
public static boolean markMessage(Conversation conversation, String uuid, int status) {
if (uuid == null) {
@@ -67,7 +93,7 @@ public final class MessageUtil {
public static void updateMessageWithImageDetails(Message message, String filePath, long size, int imageWidth, int imageHeight) {
message.setRelativeFilePath(filePath);
- MessageUtil.updateMessageBodyWithImageParams(message, size, imageWidth, imageHeight);
+ MessageUtil.updateMessageWithFileParams(message, null, size, imageWidth, imageHeight);
}
public static void updateFileParams(Message message) {
@@ -81,42 +107,37 @@ public final class MessageUtil {
if (message.getType() == Message.TYPE_IMAGE || file.getMimeType().startsWith("image/")) {
BitmapFactory.Options options = new BitmapFactory.Options();
options.inJustDecodeBounds = true;
- BitmapFactory.decodeFile(file.getAbsolutePath(), options);
+ Bitmap bmp = BitmapFactory.decodeFile(file.getAbsolutePath(), options);
imageHeight = options.outHeight;
imageWidth = options.outWidth;
+ if (null != bmp) {
+ bmp.recycle();
+ }
}
- MessageUtil.updateMessageBodyWithFileParams(message, url, file.getSize(), imageWidth, imageHeight);
- }
-
- private static void updateMessageBodyWithFileParams(Message message, URL url, long fileSize, int imageWidth, int imageHeight) {
- message.setBody(MessageUtil.getMessageBodyWithImageParams(url, fileSize, imageWidth, imageHeight));
- }
-
- private static void updateMessageBodyWithImageParams(Message message, long size, int imageWidth, int imageHeight) {
- MessageUtil.updateMessageBodyWithImageParams(message, null, size, imageWidth, imageHeight);
+ MessageUtil.updateMessageWithFileParams(message, url, file.getSize(), imageWidth, imageHeight);
}
- private static void updateMessageBodyWithImageParams(Message message, URL url, long size, int imageWidth, int imageHeight) {
- message.setBody(MessageUtil.getMessageBodyWithImageParams(url, size, imageWidth, imageHeight));
- }
-
- private static String getMessageBodyWithImageParams(URL url, long size, int imageWidth, int imageHeight) {
- StringBuilder sb = new StringBuilder();
+ private static void updateMessageWithFileParams(Message message, URL url, long size, int imageWidth, int imageHeight) {
+ FileParams fileParams = message.getFileParams();
+ if (null == fileParams) {
+ fileParams = new FileParams();
+ }
+ fileParams.setSize(size);
if (null != url) {
- sb.append(url.toString());
- sb.append('|');
+ fileParams.setUrl(url.toString());
}
- sb.append(size);
if (-1 < imageWidth) {
- sb.append('|');
- sb.append(imageWidth);
+ fileParams.setWidth(imageWidth);
}
if (-1 < imageHeight) {
- sb.append('|');
- sb.append(imageHeight);
+ fileParams.setHeight(imageHeight);
+ }
+ String relativeFilePathFromMessage = message.getRelativeFilePath();
+ if (null != relativeFilePathFromMessage && relativeFilePathFromMessage.startsWith("/")) {
+ fileParams.setPath(relativeFilePathFromMessage);
}
- return sb.toString();
+ message.setFileParams(fileParams);
}
private MessageUtil() {
diff --git a/src/main/java/de/thedevstack/conversationsplus/utils/SimpleCryptoUtil.java b/src/main/java/de/thedevstack/conversationsplus/utils/SimpleCryptoUtil.java
new file mode 100644
index 00000000..0a8c80d1
--- /dev/null
+++ b/src/main/java/de/thedevstack/conversationsplus/utils/SimpleCryptoUtil.java
@@ -0,0 +1,110 @@
+package de.thedevstack.conversationsplus.utils;
+
+
+import java.security.InvalidKeyException;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+
+import javax.crypto.BadPaddingException;
+import javax.crypto.Cipher;
+import javax.crypto.IllegalBlockSizeException;
+import javax.crypto.NoSuchPaddingException;
+import javax.crypto.SecretKey;
+import javax.crypto.spec.SecretKeySpec;
+
+/**
+ *
+ */
+public final class SimpleCryptoUtil {
+
+ public static String encrypt(String seed, String cleartext) {
+ String result = null;
+ if (null != seed && null != cleartext) {
+ try {
+ byte[] rawKey = getRawKey(seed.getBytes());
+ byte[] encryptedBytes = encrypt(rawKey, cleartext.getBytes());
+ result = toHex(encryptedBytes);
+ } catch (NoSuchAlgorithmException | InvalidKeyException | IllegalBlockSizeException | BadPaddingException | NoSuchPaddingException e) {
+ // FIXME
+ }
+ }
+
+ return result;
+ }
+
+ public static String decrypt(String seed, String encrypted) {
+ String result = null;
+ if (null != seed && null != encrypted) {
+ try {
+ byte[] rawKey = getRawKey(seed.getBytes());
+ byte[] enc = toByte(encrypted);
+ byte[] decryptedBytes = decrypt(rawKey, enc);
+ result = new String(decryptedBytes);
+ } catch (NoSuchAlgorithmException | InvalidKeyException | IllegalBlockSizeException | BadPaddingException | NoSuchPaddingException e) {
+ // FIXME
+ }
+ }
+
+ return result;
+ }
+
+ private static byte[] encrypt(byte[] raw, byte[] clear) throws IllegalBlockSizeException, BadPaddingException, InvalidKeyException, NoSuchAlgorithmException, NoSuchPaddingException {
+ byte[] encrypted = doCipherOperation(raw, clear, Cipher.ENCRYPT_MODE);
+ return encrypted;
+ }
+
+ private static byte[] decrypt(byte[] raw, byte[] encrypted) throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, IllegalBlockSizeException, BadPaddingException {
+ byte[] decrypted = doCipherOperation(raw, encrypted, Cipher.DECRYPT_MODE);
+ return decrypted;
+ }
+
+ private static byte[] doCipherOperation(byte[] raw, byte[] input, int mode) throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, IllegalBlockSizeException, BadPaddingException {
+ SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES");
+ Cipher cipher = Cipher.getInstance("AES");
+ cipher.init(mode, skeySpec);
+
+ return cipher.doFinal(input);
+ }
+
+ private static byte[] getRawKey(byte[] seed) throws NoSuchAlgorithmException {
+ MessageDigest md = MessageDigest.getInstance("MD5");
+ byte[] md5Bytes = md.digest(seed); // 128 Bit = 16 byte
+ SecretKey skey = new SecretKeySpec(md5Bytes, "AES");
+ byte[] raw = skey.getEncoded();
+ return raw;
+ }
+
+ public static byte[] toByte(String hexString) {
+ int len = hexString.length() / 2;
+ byte[] result = new byte[len];
+ for (int i = 0; i < len; i++) {
+ result[i] = Integer.valueOf(hexString.substring(2 * i, 2 * i + 2), 16).byteValue();
+ }
+ return result;
+ }
+
+ public static String toHex(byte[] buf) {
+ if (buf == null) {
+ return null;
+ }
+ StringBuffer result = new StringBuffer(2 * buf.length);
+ for (int i = 0; i < buf.length; i++) {
+ appendHex(result, buf[i]);
+ }
+ return result.toString();
+ }
+
+ private final static String HEX = "0123456789ABCDEF";
+
+ private static void appendHex(StringBuffer sb, byte b) {
+ sb.append(HEX.charAt((b >> 4) & 0x0f)).append(HEX.charAt(b & 0x0f));
+ }
+
+ /**
+ * private constructor to avoid instantiation
+ */
+ private SimpleCryptoUtil() {
+ // private constructor to avoid instantiation
+ }
+}
+