HashMap<Integer, PSTDescriptorItem> getPSTDescriptorItems(PSTNodeInputStream in)
throws PSTException, IOException {
// make sure the signature is correct
in.seek(0);
int sig = in.read();
if (sig != 0x2) {
throw new PSTException("Unable to process descriptor node, bad signature: " + sig);
}
HashMap<Integer, PSTDescriptorItem> output = new HashMap<Integer, PSTDescriptorItem>();
int numberOfItems = (int) in.seekAndReadLong(2, 2);
int offset;
if (this.getPSTFileType() == PSTFile.PST_TYPE_ANSI) {
offset = 4;
} else {
offset = 8;
}
byte[] data = new byte[(int) in.length()];
in.seek(0);
in.read(data);
for (int x = 0; x < numberOfItems; x++) {
PSTDescriptorItem item = new PSTDescriptorItem(data, offset, this);
output.put(item.descriptorIdentifier, item);
if (this.getPSTFileType() == PSTFile.PST_TYPE_ANSI) {
offset += 12;
} else {
offset += 24;
}
}
return output;
}
/**
* read the name-to-id map from the file and load it in
*
* @param in
* @throws IOException
* @throws PSTException
*/
private void processNameToIdMap(RandomAccessFile in) throws IOException, PSTException {
// Create our guid map
for (int i = 0; i < guidStrings.length; ++i) {
UUID uuid = UUID.fromString(guidStrings[i]);
guidMap.put(uuid, i);
/*
System.out.printf("guidMap[{%s}] = %d\n", uuid.toString(), i);
/**/
}
// process the name to id map
DescriptorIndexNode nameToIdMapDescriptorNode = (getDescriptorIndexNode(97));
// nameToIdMapDescriptorNode.readData(this);
// get the descriptors if we have them
HashMap<Integer, PSTDescriptorItem> localDescriptorItems = null;
if (nameToIdMapDescriptorNode.localDescriptorsOffsetIndexIdentifier != 0) {
// PSTDescriptor descriptor = new PSTDescriptor(this,
// nameToIdMapDescriptorNode.localDescriptorsOffsetIndexIdentifier);
// localDescriptorItems = descriptor.getChildren();
localDescriptorItems =
this.getPSTDescriptorItems(
nameToIdMapDescriptorNode.localDescriptorsOffsetIndexIdentifier);
}
// process the map
// PSTTableBC bcTable = new PSTTableBC(nameToIdMapDescriptorNode.dataBlock.data,
// nameToIdMapDescriptorNode.dataBlock.blockOffsets);
OffsetIndexItem off =
this.getOffsetIndexNode(nameToIdMapDescriptorNode.dataOffsetIndexIdentifier);
PSTNodeInputStream nodein = new PSTNodeInputStream(this, off);
byte[] tmp = new byte[1024];
nodein.read(tmp);
PSTTableBC bcTable = new PSTTableBC(nodein);
HashMap<Integer, PSTTableBCItem> tableItems = (bcTable.getItems());
// Get the guids
PSTTableBCItem guidEntry = tableItems.get(2); // PidTagNameidStreamGuid
guids = getData(guidEntry, localDescriptorItems);
int nGuids = guids.length / 16;
UUID[] uuidArray = new UUID[nGuids];
int[] uuidIndexes = new int[nGuids];
int offset = 0;
for (int i = 0; i < nGuids; ++i) {
long mostSigBits =
(PSTObject.convertLittleEndianBytesToLong(guids, offset, offset + 4) << 32)
| (PSTObject.convertLittleEndianBytesToLong(guids, offset + 4, offset + 6) << 16)
| PSTObject.convertLittleEndianBytesToLong(guids, offset + 6, offset + 8);
long leastSigBits = PSTObject.convertBigEndianBytesToLong(guids, offset + 8, offset + 16);
uuidArray[i] = new UUID(mostSigBits, leastSigBits);
if (guidMap.containsKey(uuidArray[i])) {
uuidIndexes[i] = guidMap.get(uuidArray[i]);
} else {
uuidIndexes[i] = -1; // We don't know this guid
}
/*
System.out.printf("uuidArray[%d] = {%s},%d\n", i, uuidArray[i].toString(), uuidIndexes[i]);
/**/
offset += 16;
}
// if we have a reference to an internal descriptor
PSTTableBCItem mapEntries = tableItems.get(3); //
byte[] nameToIdByte = getData(mapEntries, localDescriptorItems);
// process the entries
for (int x = 0; x + 8 < nameToIdByte.length; x += 8) {
int dwPropertyId = (int) PSTObject.convertLittleEndianBytesToLong(nameToIdByte, x, x + 4);
int wGuid = (int) PSTObject.convertLittleEndianBytesToLong(nameToIdByte, x + 4, x + 6);
int wPropIdx = ((int) PSTObject.convertLittleEndianBytesToLong(nameToIdByte, x + 6, x + 8));
if ((wGuid & 0x0001) == 0) {
wPropIdx += 0x8000;
wGuid >>= 1;
int guidIndex;
if (wGuid == 1) {
guidIndex = PS_MAPI;
} else if (wGuid == 2) {
guidIndex = PS_PUBLIC_STRINGS;
} else {
guidIndex = uuidIndexes[wGuid - 3];
}
nameToId.put((long) dwPropertyId | ((long) guidIndex << 32), wPropIdx);
idToName.put(wPropIdx, (long) dwPropertyId);
/*
System.out.printf("0x%08X:%04X, 0x%08X\n", dwPropertyId, guidIndex, wPropIdx);
/**/
}
// else the identifier is a string
}
}
