private byte[] ProcessNode(XmlPullParser xpp) throws XmlPullParserException, IOException {
assert (xpp.getEventType() == XmlPullParser.START_TAG);
byte[] buf = null;
if (xpp.getAttributeCount() > 0) {
String protect = xpp.getAttributeValue(null, AttrProtected);
if (protect != null && protect.equalsIgnoreCase(ValTrue)) {
String encrypted = ReadStringRaw(xpp);
if (encrypted.length() > 0) {
buf = Base64Coder.decode(encrypted);
byte[] plainText = new byte[buf.length];
randomStream.processBytes(buf, 0, buf.length, plainText, 0);
return plainText;
} else {
buf = new byte[0];
}
}
}
return buf;
}
private ProtectedBinary ReadProtectedBinary(XmlPullParser xpp)
throws XmlPullParserException, IOException {
String ref = xpp.getAttributeValue(null, AttrRef);
if (ref != null) {
xpp.next(); // Consume end tag
return binPool.get(ref);
}
boolean compressed = false;
String comp = xpp.getAttributeValue(null, AttrCompressed);
if (comp != null) {
compressed = comp.equalsIgnoreCase(ValTrue);
}
byte[] buf = ProcessNode(xpp);
if (buf != null) return new ProtectedBinary(true, buf);
String base64 = ReadString(xpp);
if (base64.length() == 0) return ProtectedBinary.EMPTY;
byte[] data = Base64Coder.decode(base64);
if (compressed) {
data = MemUtil.decompress(data);
}
return new ProtectedBinary(false, data);
}
private UUID ReadUuid(XmlPullParser xpp) throws IOException, XmlPullParserException {
String encoded = ReadString(xpp);
if (encoded == null || encoded.length() == 0) {
return PwDatabaseV4.UUID_ZERO;
}
// TODO: Switch to framework Base64 once API level 8 is the minimum
byte[] buf = Base64Coder.decode(encoded);
return Types.bytestoUUID(buf);
}
/**
* Takes a single String as an argument and returns an Encrypted version of that String.
*
* @param str String to be encrypted
* @return <code>String</code> Encrypted version of the provided String
*/
public String encrypt(String str) {
try {
// Encode the string into bytes using utf-8
byte[] utf8 = str.getBytes("UTF8");
// Encrypt
byte[] enc = ecipher.doFinal(utf8);
// Encode bytes to base64 to get a string
// return new sun.misc.BASE64Encoder().encode(enc);
return new String(Base64Coder.encode(enc));
} catch (Exception e) {
System.out.println("Exception - " + e);
}
return null;
}
/**
* Takes a encrypted String as an argument, decrypts and returns the decrypted String.
*
* @param str Encrypted String to be decrypted
* @return <code>String</code> Decrypted version of the provided String
*/
public String decrypt(String str) {
try {
// Decode base64 to get bytes
// byte[] dec = new sun.misc.BASE64Decoder().decodeBuffer(str);
byte[] dec = Base64Coder.decode(str);
// Decrypt
byte[] utf8 = dcipher.doFinal(dec);
// Decode using utf-8
return new String(utf8, "UTF8");
} catch (Exception e) {
System.out.println("Exception - " + e);
}
return null;
}
private KdbContext ReadXmlElement(KdbContext ctx, XmlPullParser xpp)
throws XmlPullParserException, IOException, InvalidDBException {
String name = xpp.getName();
switch (ctx) {
case Null:
if (name.equalsIgnoreCase(ElemDocNode)) {
return SwitchContext(ctx, KdbContext.KeePassFile, xpp);
} else ReadUnknown(xpp);
break;
case KeePassFile:
if (name.equalsIgnoreCase(ElemMeta)) {
return SwitchContext(ctx, KdbContext.Meta, xpp);
} else if (name.equalsIgnoreCase(ElemRoot)) {
return SwitchContext(ctx, KdbContext.Root, xpp);
} else {
ReadUnknown(xpp);
}
break;
case Meta:
if (name.equalsIgnoreCase(ElemGenerator)) {
ReadString(xpp); // Ignore
} else if (name.equalsIgnoreCase(ElemHeaderHash)) {
String encodedHash = ReadString(xpp);
if (!EmptyUtils.isNullOrEmpty(encodedHash) && (hashOfHeader != null)) {
byte[] hash = Base64Coder.decode(encodedHash);
if (!Arrays.equals(hash, hashOfHeader)) {
throw new InvalidDBException();
}
}
} else if (name.equalsIgnoreCase(ElemDbName)) {
db.name = ReadString(xpp);
} else if (name.equalsIgnoreCase(ElemDbNameChanged)) {
db.nameChanged = ReadTime(xpp);
} else if (name.equalsIgnoreCase(ElemDbDesc)) {
db.description = ReadString(xpp);
} else if (name.equalsIgnoreCase(ElemDbDescChanged)) {
db.descriptionChanged = ReadTime(xpp);
} else if (name.equalsIgnoreCase(ElemDbDefaultUser)) {
db.defaultUserName = ReadString(xpp);
} else if (name.equalsIgnoreCase(ElemDbDefaultUserChanged)) {
db.defaultUserNameChanged = ReadTime(xpp);
} else if (name.equalsIgnoreCase(ElemDbColor)) {
// TODO: Add support to interpret the color if we want to allow changing the database
// color
db.color = ReadString(xpp);
} else if (name.equalsIgnoreCase(ElemDbMntncHistoryDays)) {
db.maintenanceHistoryDays = ReadUInt(xpp, DEFAULT_HISTORY_DAYS);
} else if (name.equalsIgnoreCase(ElemDbKeyChanged)) {
db.keyLastChanged = ReadTime(xpp);
} else if (name.equalsIgnoreCase(ElemDbKeyChangeRec)) {
db.keyChangeRecDays = ReadLong(xpp, -1);
} else if (name.equalsIgnoreCase(ElemDbKeyChangeForce)) {
db.keyChangeForceDays = ReadLong(xpp, -1);
} else if (name.equalsIgnoreCase(ElemMemoryProt)) {
return SwitchContext(ctx, KdbContext.MemoryProtection, xpp);
} else if (name.equalsIgnoreCase(ElemCustomIcons)) {
return SwitchContext(ctx, KdbContext.CustomIcons, xpp);
} else if (name.equalsIgnoreCase(ElemRecycleBinEnabled)) {
db.recycleBinEnabled = ReadBool(xpp, true);
} else if (name.equalsIgnoreCase(ElemRecycleBinUuid)) {
db.recycleBinUUID = ReadUuid(xpp);
} else if (name.equalsIgnoreCase(ElemRecycleBinChanged)) {
db.recycleBinChanged = ReadTime(xpp);
} else if (name.equalsIgnoreCase(ElemEntryTemplatesGroup)) {
db.entryTemplatesGroup = ReadUuid(xpp);
} else if (name.equalsIgnoreCase(ElemEntryTemplatesGroupChanged)) {
db.entryTemplatesGroupChanged = ReadTime(xpp);
} else if (name.equalsIgnoreCase(ElemHistoryMaxItems)) {
db.historyMaxItems = ReadInt(xpp, -1);
} else if (name.equalsIgnoreCase(ElemHistoryMaxSize)) {
db.historyMaxSize = ReadLong(xpp, -1);
} else if (name.equalsIgnoreCase(ElemEntryTemplatesGroupChanged)) {
db.entryTemplatesGroupChanged = ReadTime(xpp);
} else if (name.equalsIgnoreCase(ElemLastSelectedGroup)) {
db.lastSelectedGroup = ReadUuid(xpp);
} else if (name.equalsIgnoreCase(ElemLastTopVisibleGroup)) {
db.lastTopVisibleGroup = ReadUuid(xpp);
} else if (name.equalsIgnoreCase(ElemBinaries)) {
return SwitchContext(ctx, KdbContext.Binaries, xpp);
} else if (name.equalsIgnoreCase(ElemCustomData)) {
return SwitchContext(ctx, KdbContext.CustomData, xpp);
}
break;
case MemoryProtection:
if (name.equalsIgnoreCase(ElemProtTitle)) {
db.memoryProtection.protectTitle = ReadBool(xpp, false);
} else if (name.equalsIgnoreCase(ElemProtUserName)) {
db.memoryProtection.protectUserName = ReadBool(xpp, false);
} else if (name.equalsIgnoreCase(ElemProtPassword)) {
db.memoryProtection.protectPassword = ReadBool(xpp, false);
} else if (name.equalsIgnoreCase(ElemProtURL)) {
db.memoryProtection.protectUrl = ReadBool(xpp, false);
} else if (name.equalsIgnoreCase(ElemProtNotes)) {
db.memoryProtection.protectNotes = ReadBool(xpp, false);
} else if (name.equalsIgnoreCase(ElemProtAutoHide)) {
db.memoryProtection.autoEnableVisualHiding = ReadBool(xpp, false);
} else {
ReadUnknown(xpp);
}
break;
case CustomIcons:
if (name.equalsIgnoreCase(ElemCustomIconItem)) {
return SwitchContext(ctx, KdbContext.CustomIcon, xpp);
} else {
ReadUnknown(xpp);
}
break;
case CustomIcon:
if (name.equalsIgnoreCase(ElemCustomIconItemID)) {
customIconID = ReadUuid(xpp);
} else if (name.equalsIgnoreCase(ElemCustomIconItemData)) {
String strData = ReadString(xpp);
if (strData != null && strData.length() > 0) {
customIconData = Base64Coder.decode(strData);
} else {
assert (false);
}
} else {
ReadUnknown(xpp);
}
break;
case Binaries:
if (name.equalsIgnoreCase(ElemBinary)) {
String key = xpp.getAttributeValue(null, AttrId);
if (key != null) {
ProtectedBinary pbData = ReadProtectedBinary(xpp);
binPool.put(key, pbData);
} else {
ReadUnknown(xpp);
}
} else {
ReadUnknown(xpp);
}
break;
case CustomData:
if (name.equalsIgnoreCase(ElemStringDictExItem)) {
return SwitchContext(ctx, KdbContext.CustomDataItem, xpp);
} else {
ReadUnknown(xpp);
}
break;
case CustomDataItem:
if (name.equalsIgnoreCase(ElemKey)) {
customDataKey = ReadString(xpp);
} else if (name.equalsIgnoreCase(ElemValue)) {
customDataValue = ReadString(xpp);
} else {
ReadUnknown(xpp);
}
break;
case Root:
if (name.equalsIgnoreCase(ElemGroup)) {
assert (ctxGroups.size() == 0);
if (ctxGroups.size() != 0) throw new IOException("Group list should be empty.");
db.rootGroup = new PwGroupV4();
ctxGroups.push((PwGroupV4) db.rootGroup);
ctxGroup = ctxGroups.peek();
return SwitchContext(ctx, KdbContext.Group, xpp);
} else if (name.equalsIgnoreCase(ElemDeletedObjects)) {
return SwitchContext(ctx, KdbContext.RootDeletedObjects, xpp);
} else {
ReadUnknown(xpp);
}
break;
case Group:
if (name.equalsIgnoreCase(ElemUuid)) {
ctxGroup.uuid = ReadUuid(xpp);
} else if (name.equalsIgnoreCase(ElemName)) {
ctxGroup.name = ReadString(xpp);
} else if (name.equalsIgnoreCase(ElemNotes)) {
ctxGroup.notes = ReadString(xpp);
} else if (name.equalsIgnoreCase(ElemIcon)) {
ctxGroup.icon = db.iconFactory.getIcon((int) ReadUInt(xpp, 0));
} else if (name.equalsIgnoreCase(ElemCustomIconID)) {
ctxGroup.customIcon = db.iconFactory.getIcon(ReadUuid(xpp));
} else if (name.equalsIgnoreCase(ElemTimes)) {
return SwitchContext(ctx, KdbContext.GroupTimes, xpp);
} else if (name.equalsIgnoreCase(ElemIsExpanded)) {
ctxGroup.isExpanded = ReadBool(xpp, true);
} else if (name.equalsIgnoreCase(ElemGroupDefaultAutoTypeSeq)) {
ctxGroup.defaultAutoTypeSequence = ReadString(xpp);
} else if (name.equalsIgnoreCase(ElemEnableAutoType)) {
ctxGroup.enableAutoType = StringToBoolean(ReadString(xpp));
} else if (name.equalsIgnoreCase(ElemEnableSearching)) {
ctxGroup.enableSearching = StringToBoolean(ReadString(xpp));
} else if (name.equalsIgnoreCase(ElemLastTopVisibleEntry)) {
ctxGroup.lastTopVisibleEntry = ReadUuid(xpp);
} else if (name.equalsIgnoreCase(ElemGroup)) {
ctxGroup = new PwGroupV4();
ctxGroups.peek().AddGroup(ctxGroup, true);
ctxGroups.push(ctxGroup);
return SwitchContext(ctx, KdbContext.Group, xpp);
} else if (name.equalsIgnoreCase(ElemEntry)) {
ctxEntry = new PwEntryV4();
ctxGroup.AddEntry(ctxEntry, true);
entryInHistory = false;
return SwitchContext(ctx, KdbContext.Entry, xpp);
} else {
ReadUnknown(xpp);
}
break;
case Entry:
if (name.equalsIgnoreCase(ElemUuid)) {
ctxEntry.setUUID(ReadUuid(xpp));
} else if (name.equalsIgnoreCase(ElemIcon)) {
ctxEntry.icon = db.iconFactory.getIcon((int) ReadUInt(xpp, 0));
} else if (name.equalsIgnoreCase(ElemCustomIconID)) {
ctxEntry.customIcon = db.iconFactory.getIcon(ReadUuid(xpp));
} else if (name.equalsIgnoreCase(ElemFgColor)) {
ctxEntry.foregroundColor = ReadString(xpp);
} else if (name.equalsIgnoreCase(ElemBgColor)) {
ctxEntry.backgroupColor = ReadString(xpp);
} else if (name.equalsIgnoreCase(ElemOverrideUrl)) {
ctxEntry.overrideURL = ReadString(xpp);
} else if (name.equalsIgnoreCase(ElemTags)) {
ctxEntry.tags = ReadString(xpp);
} else if (name.equalsIgnoreCase(ElemTimes)) {
return SwitchContext(ctx, KdbContext.EntryTimes, xpp);
} else if (name.equalsIgnoreCase(ElemString)) {
return SwitchContext(ctx, KdbContext.EntryString, xpp);
} else if (name.equalsIgnoreCase(ElemBinary)) {
return SwitchContext(ctx, KdbContext.EntryBinary, xpp);
} else if (name.equalsIgnoreCase(ElemAutoType)) {
return SwitchContext(ctx, KdbContext.EntryAutoType, xpp);
} else if (name.equalsIgnoreCase(ElemHistory)) {
assert (!entryInHistory);
if (!entryInHistory) {
ctxHistoryBase = ctxEntry;
return SwitchContext(ctx, KdbContext.EntryHistory, xpp);
} else {
ReadUnknown(xpp);
}
} else {
ReadUnknown(xpp);
}
break;
case GroupTimes:
case EntryTimes:
ITimeLogger tl;
if (ctx == KdbContext.GroupTimes) {
tl = ctxGroup;
} else {
tl = ctxEntry;
}
if (name.equalsIgnoreCase(ElemLastModTime)) {
tl.setLastModificationTime(ReadTime(xpp));
} else if (name.equalsIgnoreCase(ElemCreationTime)) {
tl.setCreationTime(ReadTime(xpp));
} else if (name.equalsIgnoreCase(ElemLastAccessTime)) {
tl.setLastAccessTime(ReadTime(xpp));
} else if (name.equalsIgnoreCase(ElemExpiryTime)) {
tl.setExpiryTime(ReadTime(xpp));
} else if (name.equalsIgnoreCase(ElemExpires)) {
tl.setExpires(ReadBool(xpp, false));
} else if (name.equalsIgnoreCase(ElemUsageCount)) {
tl.setUsageCount(ReadULong(xpp, 0));
} else if (name.equalsIgnoreCase(ElemLocationChanged)) {
tl.setLocationChanged(ReadTime(xpp));
} else {
ReadUnknown(xpp);
}
break;
case EntryString:
if (name.equalsIgnoreCase(ElemKey)) {
ctxStringName = ReadString(xpp);
} else if (name.equalsIgnoreCase(ElemValue)) {
ctxStringValue = ReadProtectedString(xpp);
} else {
ReadUnknown(xpp);
}
break;
case EntryBinary:
if (name.equalsIgnoreCase(ElemKey)) {
ctxBinaryName = ReadString(xpp);
} else if (name.equalsIgnoreCase(ElemValue)) {
ctxBinaryValue = ReadProtectedBinary(xpp);
}
break;
case EntryAutoType:
if (name.equalsIgnoreCase(ElemAutoTypeEnabled)) {
ctxEntry.autoType.enabled = ReadBool(xpp, true);
} else if (name.equalsIgnoreCase(ElemAutoTypeObfuscation)) {
ctxEntry.autoType.obfuscationOptions = ReadUInt(xpp, 0);
} else if (name.equalsIgnoreCase(ElemAutoTypeDefaultSeq)) {
ctxEntry.autoType.defaultSequence = ReadString(xpp);
} else if (name.equalsIgnoreCase(ElemAutoTypeItem)) {
return SwitchContext(ctx, KdbContext.EntryAutoTypeItem, xpp);
} else {
ReadUnknown(xpp);
}
break;
case EntryAutoTypeItem:
if (name.equalsIgnoreCase(ElemWindow)) {
ctxATName = ReadString(xpp);
} else if (name.equalsIgnoreCase(ElemKeystrokeSequence)) {
ctxATSeq = ReadString(xpp);
} else {
ReadUnknown(xpp);
}
break;
case EntryHistory:
if (name.equalsIgnoreCase(ElemEntry)) {
ctxEntry = new PwEntryV4();
ctxHistoryBase.history.add(ctxEntry);
entryInHistory = true;
return SwitchContext(ctx, KdbContext.Entry, xpp);
} else {
ReadUnknown(xpp);
}
break;
case RootDeletedObjects:
if (name.equalsIgnoreCase(ElemDeletedObject)) {
ctxDeletedObject = new PwDeletedObject();
db.deletedObjects.add(ctxDeletedObject);
return SwitchContext(ctx, KdbContext.DeletedObject, xpp);
} else {
ReadUnknown(xpp);
}
break;
case DeletedObject:
if (name.equalsIgnoreCase(ElemUuid)) {
ctxDeletedObject.uuid = ReadUuid(xpp);
} else if (name.equalsIgnoreCase(ElemDeletionTime)) {
ctxDeletedObject.setDeletionTime(ReadTime(xpp));
} else {
ReadUnknown(xpp);
}
break;
default:
ReadUnknown(xpp);
break;
}
return ctx;
}
