Updated PDU processing code.

The code we use for PDU parsing and composing comes straight from
the Android framework, but it's an internal API, so we duplicate
the code here.  These changes represent updates that have been
made as of the JB release.

src/ws/com/google/android/mms/ContentType.java

@@ -26,6 +26,7 @@ public class ContentType {
     public static final String MMS_GENERIC       = "application/vnd.wap.mms-generic";
     public static final String MULTIPART_MIXED   = "application/vnd.wap.multipart.mixed";
     public static final String MULTIPART_RELATED = "application/vnd.wap.multipart.related";
+    public static final String MULTIPART_ALTERNATIVE = "application/vnd.wap.multipart.alternative";
 
     public static final String TEXT_PLAIN        = "text/plain";
     public static final String TEXT_HTML         = "text/html";
@@ -38,6 +39,7 @@ public class ContentType {
     public static final String IMAGE_GIF         = "image/gif";
     public static final String IMAGE_WBMP        = "image/vnd.wap.wbmp";
     public static final String IMAGE_PNG         = "image/png";
+    public static final String IMAGE_X_MS_BMP    = "image/x-ms-bmp";
 
     public static final String AUDIO_UNSPECIFIED = "audio/*";
     public static final String AUDIO_AAC         = "audio/aac";
@@ -57,6 +59,7 @@ public class ContentType {
     public static final String AUDIO_X_MPEG      = "audio/x-mpeg";
     public static final String AUDIO_X_MPG       = "audio/x-mpg";
     public static final String AUDIO_3GPP        = "audio/3gpp";
+    public static final String AUDIO_X_WAV       = "audio/x-wav";
     public static final String AUDIO_OGG         = "application/ogg";
 
     public static final String VIDEO_UNSPECIFIED = "video/*";
@@ -88,6 +91,7 @@ public class ContentType {
         sSupportedContentTypes.add(IMAGE_WBMP);
         sSupportedContentTypes.add(IMAGE_PNG);
         sSupportedContentTypes.add(IMAGE_JPG);
+        sSupportedContentTypes.add(IMAGE_X_MS_BMP);
         //supportedContentTypes.add(IMAGE_SVG); not yet supported.
 
         sSupportedContentTypes.add(AUDIO_AAC);
@@ -105,6 +109,7 @@ public class ContentType {
         sSupportedContentTypes.add(AUDIO_X_MPEG3);
         sSupportedContentTypes.add(AUDIO_X_MPEG);
         sSupportedContentTypes.add(AUDIO_X_MPG);
+        sSupportedContentTypes.add(AUDIO_X_WAV);
         sSupportedContentTypes.add(AUDIO_3GPP);
         sSupportedContentTypes.add(AUDIO_OGG);
 
@@ -126,6 +131,7 @@ public class ContentType {
         sSupportedImageTypes.add(IMAGE_WBMP);
         sSupportedImageTypes.add(IMAGE_PNG);
         sSupportedImageTypes.add(IMAGE_JPG);
+        sSupportedImageTypes.add(IMAGE_X_MS_BMP);
 
         // add supported audio types
         sSupportedAudioTypes.add(AUDIO_AAC);
@@ -144,6 +150,7 @@ public class ContentType {
         sSupportedAudioTypes.add(AUDIO_X_MPEG3);
         sSupportedAudioTypes.add(AUDIO_X_MPEG);
         sSupportedAudioTypes.add(AUDIO_X_MPG);
+        sSupportedAudioTypes.add(AUDIO_X_WAV);
         sSupportedAudioTypes.add(AUDIO_3GPP);
         sSupportedAudioTypes.add(AUDIO_OGG);
 

src/ws/com/google/android/mms/pdu/PduComposer.java

@@ -19,8 +19,8 @@ package ws.com.google.android.mms.pdu;
 
 import android.content.ContentResolver;
 import android.content.Context;
-import android.util.Log;
 import android.text.TextUtils;
+import android.util.Log;
 
 import java.io.ByteArrayOutputStream;
 import java.io.FileNotFoundException;
@@ -839,11 +839,7 @@ public class PduComposer {
         appendOctet(PduHeaders.CONTENT_TYPE);
 
         //  Message body
-        makeMessageBody();
+        return makeMessageBody();
-        
-        Log.w("PduComposer", "Returning success...");
-
-        return PDU_COMPOSE_SUCCESS;  // Composing the message is OK
     }
 
     /**

src/ws/com/google/android/mms/pdu/PduParser.java

@@ -17,12 +17,12 @@
 
 package ws.com.google.android.mms.pdu;
 
+import android.content.res.Resources;
+import android.util.Log;
+
 import ws.com.google.android.mms.ContentType;
 import ws.com.google.android.mms.InvalidHeaderValueException;
 
-import android.util.Config;
-import android.util.Log;
-
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.UnsupportedEncodingException;
@@ -84,7 +84,7 @@ public class PduParser {
      */
     private static final String LOG_TAG = "PduParser";
     private static final boolean DEBUG = false;
-    private static final boolean LOCAL_LOGV = DEBUG ? Config.LOGD : Config.LOGV;
+    private static final boolean LOCAL_LOGV = false;
 
     /**
      * Constructor.
@@ -102,6 +102,7 @@ public class PduParser {
      *         null if parsing error happened or mandatory fields are not set.
      */
     public GenericPdu parse(){
+        Log.w("PduParser", "parse() called...");
         if (mPduDataStream == null) {
             return null;
         }
@@ -122,9 +123,11 @@ public class PduParser {
             return null;
         }
 
+        Log.w("PduParser", "Message Type: " + messageType);
         if ((PduHeaders.MESSAGE_TYPE_SEND_REQ == messageType) ||
                 (PduHeaders.MESSAGE_TYPE_RETRIEVE_CONF == messageType)) {
             /* need to parse the parts */
+            Log.w("PduParser", "Parsing parts...");
             mBody = parseParts(mPduDataStream);
             if (null == mBody) {
                 // Parse parts failed.
@@ -157,9 +160,18 @@ public class PduParser {
                 }
                 String ctTypeStr = new String(contentType);
                 if (ctTypeStr.equals(ContentType.MULTIPART_MIXED)
-                        || ctTypeStr.equals(ContentType.MULTIPART_RELATED)) {
+                        || ctTypeStr.equals(ContentType.MULTIPART_RELATED)
+                        || ctTypeStr.equals(ContentType.MULTIPART_ALTERNATIVE)) {
                     // The MMS content type must be "application/vnd.wap.multipart.mixed"
                     // or "application/vnd.wap.multipart.related"
+                    // or "application/vnd.wap.multipart.alternative"
+                    return retrieveConf;
+                } else if (ctTypeStr.equals(ContentType.MULTIPART_ALTERNATIVE)) {
+                    // "application/vnd.wap.multipart.alternative"
+                    // should take only the first part.
+                    PduPart firstPart = mBody.getPart(0);
+                    mBody.removeAll();
+                    mBody.addPart(0, firstPart);
                     return retrieveConf;
                 }
                 return null;
@@ -200,7 +212,18 @@ public class PduParser {
         PduHeaders headers = new PduHeaders();
 
         while (keepParsing && (pduDataStream.available() > 0)) {
+            pduDataStream.mark(1);
             int headerField = extractByteValue(pduDataStream);
+            /* parse custom text header */
+            if ((headerField >= TEXT_MIN) && (headerField <= TEXT_MAX)) {
+                pduDataStream.reset();
+                byte [] bVal = parseWapString(pduDataStream, TYPE_TEXT_STRING);
+                if (LOCAL_LOGV) {
+                    Log.v(LOG_TAG, "TextHeader: " + new String(bVal));
+                }
+                /* we should ignore it at the moment */
+                continue;
+            }
             switch (headerField) {
                 case PduHeaders.MESSAGE_TYPE:
                 {
@@ -778,7 +801,14 @@ public class PduParser {
             /* get part's data */
             if (dataLength > 0) {
                 byte[] partData = new byte[dataLength];
+                String partContentType = new String(part.getContentType());
                 pduDataStream.read(partData, 0, dataLength);
+                if (partContentType.equalsIgnoreCase(ContentType.MULTIPART_ALTERNATIVE)) {
+                    // parse "multipart/vnd.wap.multipart.alternative".
+                    PduBody childBody = parseParts(new ByteArrayInputStream(partData));
+                    // take the first part of children.
+                    part = childBody.getPart(0);
+                } else {
                     // Check Content-Transfer-Encoding.
                     byte[] partDataEncoding = part.getContentTransferEncoding();
                     if (null != partDataEncoding) {
@@ -799,6 +829,7 @@ public class PduParser {
                     }
                     part.setData(partData);
                 }
+            }
 
             /* add this part to body */
             if (THE_FIRST_PART == checkPartPosition(part)) {
@@ -905,6 +936,9 @@ public class PduParser {
         int temp = pduDataStream.read();
         assert(-1 != temp);
         int first = temp & 0xFF;
+        if (first == 0) {
+            return null;    //  Blank subject, bail.
+        }
 
         pduDataStream.reset();
         if (first < TEXT_MIN) {
@@ -1529,6 +1563,21 @@ public class PduParser {
                          * Attachment = <Octet 129>
                          * Inline = <Octet 130>
                          */
+
+                        /*
+                         * some carrier mmsc servers do not support content_disposition
+                         * field correctly
+                         */
+                        Resources resources = Resources.getSystem();
+                        int id = resources.getIdentifier("config_mms_content_disposition_support",
+                                                         "boolean", "android");
+
+                        Log.w("PduParser", "config_mms_content_disposition_support ID: " + id);
+                        boolean contentDisposition = (id != 0) && (resources.getBoolean(id));
+
+                        Log.w("PduParser", "Content Disposition supported: " + contentDisposition);
+
+                        if (contentDisposition) {
                             int len = parseValueLength(pduDataStream);
                             pduDataStream.mark(1);
                             int thisStartPos = pduDataStream.available();
@@ -1544,7 +1593,8 @@ public class PduParser {
                             } else {
                                 pduDataStream.reset();
                                 /* Token-text */
-                            part.setContentDisposition(parseWapString(pduDataStream, TYPE_TEXT_STRING));
+                                part.setContentDisposition(parseWapString(pduDataStream
+                                        , TYPE_TEXT_STRING));
                             }
 
                             /* get filename parameter and skip other parameters */
@@ -1552,7 +1602,8 @@ public class PduParser {
                             if (thisStartPos - thisEndPos < len) {
                                 value = pduDataStream.read();
                                 if (value == PduPart.P_FILENAME) { //filename is text-string
-                                part.setFilename(parseWapString(pduDataStream, TYPE_TEXT_STRING));
+                                    part.setFilename(parseWapString(pduDataStream
+                                            , TYPE_TEXT_STRING));
                                 }
 
                                 /* skip other parameters */
@@ -1566,6 +1617,7 @@ public class PduParser {
 
                             tempPos = pduDataStream.available();
                             lastLen = length - (startPos - tempPos);
+                        }
                         break;
                     default:
                         if (LOCAL_LOGV) {