Merge remote-tracking branch 'remotes/origin/trz/rename' into trz/rebase

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
+    }
+}
+