Modify BinaryTempFileBody to retain the encoded body

For now this breaks a lot of things, e.g. saving messages to the database
and making messages 7-bit safe.

src/com/fsck/k9/mail/internet/BinaryTempFileBody.java

@@ -2,10 +2,7 @@ package com.fsck.k9.mail.internet;
 
 import com.fsck.k9.mail.Body;
 import com.fsck.k9.mail.MessagingException;
-import com.fsck.k9.mail.filter.Base64OutputStream;
 import org.apache.commons.io.IOUtils;
-import org.apache.james.mime4j.codec.QuotedPrintableOutputStream;
-import org.apache.james.mime4j.util.MimeUtil;
 
 import java.io.*;
 
@@ -27,13 +24,12 @@ public class BinaryTempFileBody implements Body {
     }
 
     public void setEncoding(String encoding) throws MessagingException {
-        mEncoding  = encoding;
+        mEncoding = encoding;
     }
 
     public BinaryTempFileBody() {
         if (mTempDirectory == null) {
-            throw new
-            RuntimeException("setTempDirectory has not been called on BinaryTempFileBody!");
+            throw new RuntimeException("setTempDirectory has not been called on BinaryTempFileBody!");
         }
     }
 
@@ -54,22 +50,7 @@ public class BinaryTempFileBody implements Body {
     public void writeTo(OutputStream out) throws IOException, MessagingException {
         InputStream in = getInputStream();
         try {
-            boolean closeStream = false;
-            if (MimeUtil.isBase64Encoding(mEncoding)) {
-                out = new Base64OutputStream(out);
-                closeStream = true;
-            } else if (MimeUtil.isQuotedPrintableEncoded(mEncoding)){
-                out = new QuotedPrintableOutputStream(out, false);
-                closeStream = true;
-            }
-
-            try {
-                IOUtils.copy(in, out);
-            } finally {
-                if (closeStream) {
-                    out.close();
-                }
-            }
+            IOUtils.copy(in, out);
         } finally {
             in.close();
         }

src/com/fsck/k9/mail/internet/MimeMessage.java

@@ -531,8 +531,7 @@ public class MimeMessage extends Message {
         public void body(BodyDescriptor bd, InputStream in) throws IOException {
             expect(Part.class);
             try {
-                Body body = MimeUtility.decodeBody(in,
-                        bd.getTransferEncoding(), bd.getMimeType());
+                Body body = MimeUtility.createBody(in, bd.getTransferEncoding(), bd.getMimeType());
                 ((Part)stack.peek()).setBody(body);
             } catch (MessagingException me) {
                 throw new Error(me);

src/com/fsck/k9/mail/internet/MimeUtility.java

@@ -1127,24 +1127,11 @@ public class MimeUtility {
         return false;
     }
 
-    /**
-     * Removes any content transfer encoding from the stream and returns a Body.
-     * @throws MessagingException
-     */
-    public static Body decodeBody(InputStream in,
-            String contentTransferEncoding, String contentType)
+    public static Body createBody(InputStream in, String contentTransferEncoding, String contentType)
             throws IOException, MessagingException {
-        /*
-         * We'll remove any transfer encoding by wrapping the stream.
-         */
+
         if (contentTransferEncoding != null) {
-            contentTransferEncoding =
-                MimeUtility.getHeaderParameter(contentTransferEncoding, null);
-            if (MimeUtil.ENC_QUOTED_PRINTABLE.equalsIgnoreCase(contentTransferEncoding)) {
-                in = new QuotedPrintableInputStream(in);
-            } else if (MimeUtil.ENC_BASE64.equalsIgnoreCase(contentTransferEncoding)) {
-                in = new Base64InputStream(in);
-            }
+            contentTransferEncoding = MimeUtility.getHeaderParameter(contentTransferEncoding, null);
         }
 
         BinaryTempFileBody tempBody;
@@ -1154,12 +1141,14 @@ public class MimeUtility {
             tempBody = new BinaryTempFileBody();
         }
         tempBody.setEncoding(contentTransferEncoding);
+
         OutputStream out = tempBody.getOutputStream();
         try {
             IOUtils.copy(in, out);
         } finally {
             out.close();
         }
+
         return tempBody;
     }
 

src/com/fsck/k9/mail/store/ImapStore.java

@@ -25,8 +25,6 @@ import java.security.GeneralSecurityException;
 import java.security.Security;
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collection;
 import java.util.Collections;
 import java.util.Date;
 import java.util.Deque;
@@ -1625,7 +1623,7 @@ public class ImapStore extends Store {
                                         .getHeader(MimeHeader.HEADER_CONTENT_TRANSFER_ENCODING)[0];
                                 String contentType = part
                                         .getHeader(MimeHeader.HEADER_CONTENT_TYPE)[0];
-                                MimeMessageHelper.setBody(part, MimeUtility.decodeBody(bodyStream,
+                                MimeMessageHelper.setBody(part, MimeUtility.createBody(bodyStream,
                                         contentTransferEncoding, contentType));
                             } else {
                                 // This shouldn't happen
@@ -3594,7 +3592,7 @@ public class ImapStore extends Store {
                 String contentType = mPart
                         .getHeader(MimeHeader.HEADER_CONTENT_TYPE)[0];
 
-                return MimeUtility.decodeBody(literal, contentTransferEncoding,
+                return MimeUtility.createBody(literal, contentTransferEncoding,
                         contentType);
             }
             return null;

tests/src/com/fsck/k9/mail/MessageTest.java

@@ -332,12 +332,12 @@ public class MessageTest extends AndroidTestCase {
     private MimeBodyPart binaryBodyPart() throws IOException,
             MessagingException {
         String encodedTestString = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
-                + "abcdefghijklmnopqrstuvwxyz0123456789+/";
+                + "abcdefghijklmnopqrstuvwxyz0123456789+/\r\n";
 
         BinaryTempFileBody tempFileBody = new BinaryTempFileBody();
 
-        InputStream in = new Base64InputStream(new ByteArrayInputStream(
-                encodedTestString.getBytes("UTF-8")));
+        InputStream in = new ByteArrayInputStream(
+                encodedTestString.getBytes("UTF-8"));
 
         OutputStream out = tempFileBody.getOutputStream();
         try {

tests/src/com/fsck/k9/mail/ReconstructMessageTest.java

@@ -37,9 +37,10 @@ public class ReconstructMessageTest extends AndroidTestCase {
                 "\r\n" +
                 "------Boundary\r\n" +
                 "Content-Type: text/plain\r\n" +
-                "Content-Transfer-Encoding: quoted-printable\r\n" +
+                "Content-Transfer-Encoding: base64\r\n" +
                 "\r\n" +
-                "=2E=2E=2E\r\n" +
+                "VGhpcyBpcyBhIHRl\r\n" +
+                "c3QgbWVzc2FnZQ==\r\n" +
                 "\r\n" +
                 "------Boundary--\r\n";