package org.xmlrpc.android;
import android.text.TextUtils;
import android.util.Base64;
import android.util.Xml;
import org.wordpress.android.util.helpers.MediaFile;
import org.wordpress.android.util.AppLog;
import org.wordpress.android.util.AppLog.T;
import org.wordpress.android.util.StringUtils;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import org.xmlpull.v1.XmlSerializer;
import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.StringReader;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Map.Entry;
import java.util.SimpleTimeZone;
class XMLRPCSerializer {
static final String TAG_NAME = "name";
static final String TAG_MEMBER = "member";
static final String TAG_VALUE = "value";
static final String TAG_DATA = "data";
static final String TYPE_INT = "int";
static final String TYPE_I4 = "i4";
static final String TYPE_I8 = "i8";
static final String TYPE_DOUBLE = "double";
static final String TYPE_BOOLEAN = "boolean";
static final String TYPE_STRING = "string";
static final String TYPE_DATE_TIME_ISO8601 = "dateTime.iso8601";
static final String TYPE_BASE64 = "base64";
static final String TYPE_ARRAY = "array";
static final String TYPE_STRUCT = "struct";
static SimpleDateFormat dateFormat = new SimpleDateFormat("yyyyMMdd'T'HH:mm:ss", Locale.US);
static Calendar cal = Calendar.getInstance(new SimpleTimeZone(0, "GMT"));
private static final XmlSerializer serializeTester;
static {
serializeTester = Xml.newSerializer();
try {
serializeTester.setOutput(new NullOutputStream(), "UTF-8");
} catch (IllegalArgumentException e) {
AppLog.e(AppLog.T.EDITOR, "IllegalArgumentException setting test serializer output stream", e );
} catch (IllegalStateException e) {
AppLog.e(AppLog.T.EDITOR, "IllegalStateException setting test serializer output stream", e );
} catch (IOException e) {
AppLog.e(AppLog.T.EDITOR, "IOException setting test serializer output stream", e );
}
}
@SuppressWarnings("unchecked")
static void serialize(XmlSerializer serializer, Object object) throws IOException {
// check for scalar types:
if (object instanceof Integer || object instanceof Short || object instanceof Byte) {
serializer.startTag(null, TYPE_I4).text(object.toString()).endTag(null, TYPE_I4);
} else
if (object instanceof Long) {
// Note Long should be represented by a TYPE_I8 but the WordPress end point doesn't support <i8> tag
// Long usually represents IDs, so we convert them to string
serializer.startTag(null, TYPE_STRING).text(object.toString()).endTag(null, TYPE_STRING);
AppLog.w(T.API, "long type could be misinterpreted when sent to the WordPress XMLRPC end point");
} else
if (object instanceof Double || object instanceof Float) {
serializer.startTag(null, TYPE_DOUBLE).text(object.toString()).endTag(null, TYPE_DOUBLE);
} else
if (object instanceof Boolean) {
Boolean bool = (Boolean) object;
String boolStr = bool.booleanValue() ? "1" : "0";
serializer.startTag(null, TYPE_BOOLEAN).text(boolStr).endTag(null, TYPE_BOOLEAN);
} else
if (object instanceof String) {
serializer.startTag(null, TYPE_STRING).text(makeValidInputString((String) object)).endTag(null, TYPE_STRING);
} else
if (object instanceof Date || object instanceof Calendar) {
Date date = (Date) object;
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyyMMdd'T'HH:mm:ss", Locale.US);
dateFormat.setCalendar(cal);
String sDate = dateFormat.format(date);
serializer.startTag(null, TYPE_DATE_TIME_ISO8601).text(sDate).endTag(null, TYPE_DATE_TIME_ISO8601);
} else
if (object instanceof byte[] ){
String value;
try {
value = Base64.encodeToString((byte[])object, Base64.DEFAULT);
serializer.startTag(null, TYPE_BASE64).text(value).endTag(null, TYPE_BASE64);
} catch (OutOfMemoryError e) {
throw new IOException("Out of memory");
}
}
else if( object instanceof MediaFile ) {
//convert media file binary to base64
serializer.startTag( null, "base64" );
MediaFile mediaFile = (MediaFile) object;
InputStream inStream = new DataInputStream(new FileInputStream(mediaFile.getFilePath()));
byte[] buffer = new byte[3600];//you must use a 24bit multiple
int length = -1;
String chunk = null;
while ((length = inStream.read(buffer)) > 0) {
chunk = Base64.encodeToString(buffer, 0, length, Base64.DEFAULT);
serializer.text(chunk);
}
inStream.close();
serializer.endTag(null, "base64");
}else
if (object instanceof List<?>) {
serializer.startTag(null, TYPE_ARRAY).startTag(null, TAG_DATA);
List<Object> list = (List<Object>) object;
Iterator<Object> iter = list.iterator();
while (iter.hasNext()) {
Object o = iter.next();
serializer.startTag(null, TAG_VALUE);
serialize(serializer, o);
serializer.endTag(null, TAG_VALUE);
}
serializer.endTag(null, TAG_DATA).endTag(null, TYPE_ARRAY);
} else
if (object instanceof Object[]) {
serializer.startTag(null, TYPE_ARRAY).startTag(null, TAG_DATA);
Object[] objects = (Object[]) object;
for (int i=0; i<objects.length; i++) {
Object o = objects[i];
serializer.startTag(null, TAG_VALUE);
serialize(serializer, o);
serializer.endTag(null, TAG_VALUE);
}
serializer.endTag(null, TAG_DATA).endTag(null, TYPE_ARRAY);
} else
if (object instanceof Map) {
serializer.startTag(null, TYPE_STRUCT);
Map<String, Object> map = (Map<String, Object>) object;
Iterator<Entry<String, Object>> iter = map.entrySet().iterator();
while (iter.hasNext()) {
Entry<String, Object> entry = iter.next();
String key = entry.getKey();
Object value = entry.getValue();
serializer.startTag(null, TAG_MEMBER);
serializer.startTag(null, TAG_NAME).text(key).endTag(null, TAG_NAME);
serializer.startTag(null, TAG_VALUE);
serialize(serializer, value);
serializer.endTag(null, TAG_VALUE);
serializer.endTag(null, TAG_MEMBER);
}
serializer.endTag(null, TYPE_STRUCT);
} else {
throw new IOException("Cannot serialize " + object);
}
}
private static final String makeValidInputString(final String input) throws IOException {
if (TextUtils.isEmpty(input))
return "";
if (serializeTester == null)
return input;
try {
// try to encode the string as-is, 99.9% of the time it's OK
serializeTester.text(input);
return input;
} catch (IllegalArgumentException e) {
// There are characters outside the XML unicode charset as specified by the XML 1.0 standard
// See http://www.w3.org/TR/2000/REC-xml-20001006#NT-Char
AppLog.e(AppLog.T.EDITOR, "There are characters outside the XML unicode charset as specified by the XML 1.0 standard", e );
}
// We need to do the following things:
// 1. Replace surrogates with HTML Entity.
// 2. Replace emoji with their textual versions (if available on WP)
// 3. Try to serialize the resulting string.
// 4. If it fails again, strip characters that are not allowed in XML 1.0
final String noEmojiString = StringUtils.replaceUnicodeSurrogateBlocksWithHTMLEntities(input);
try {
serializeTester.text(noEmojiString);
return noEmojiString;
} catch (IllegalArgumentException e) {
AppLog.e(AppLog.T.EDITOR, "noEmojiString still contains characters outside the XML unicode charset as specified by the XML 1.0 standard", e );
return StringUtils.stripNonValidXMLCharacters(noEmojiString);
}
}
static Object deserialize(XmlPullParser parser) throws XmlPullParserException, IOException, NumberFormatException {
parser.require(XmlPullParser.START_TAG, null, TAG_VALUE);
parser.nextTag();
String typeNodeName = parser.getName();
Object obj;
if (typeNodeName.equals(TYPE_INT) || typeNodeName.equals(TYPE_I4)) {
String value = parser.nextText();
try {
obj = Integer.parseInt(value);
} catch (NumberFormatException nfe) {
AppLog.w(T.API, "Server replied with an invalid 4 bytes int value, trying to parse it as 8 bytes long");
obj = Long.parseLong(value);
}
} else
if (typeNodeName.equals(TYPE_I8)) {
String value = parser.nextText();
obj = Long.parseLong(value);
} else
if (typeNodeName.equals(TYPE_DOUBLE)) {
String value = parser.nextText();
obj = Double.parseDouble(value);
} else
if (typeNodeName.equals(TYPE_BOOLEAN)) {
String value = parser.nextText();
obj = value.equals("1") ? Boolean.TRUE : Boolean.FALSE;
} else
if (typeNodeName.equals(TYPE_STRING)) {
obj = parser.nextText();
} else
if (typeNodeName.equals(TYPE_DATE_TIME_ISO8601)) {
dateFormat.setCalendar(cal);
String value = parser.nextText();
try {
obj = dateFormat.parseObject(value);
} catch (ParseException e) {
AppLog.e(T.API, e);
obj = value;
}
} else
if (typeNodeName.equals(TYPE_BASE64)) {
String value = parser.nextText();
BufferedReader reader = new BufferedReader(new StringReader(value));
String line;
StringBuffer sb = new StringBuffer();
while ((line = reader.readLine()) != null) {
sb.append(line);
}
obj = Base64.decode(sb.toString(), Base64.DEFAULT);
} else
if (typeNodeName.equals(TYPE_ARRAY)) {
parser.nextTag(); // TAG_DATA (<data>)
parser.require(XmlPullParser.START_TAG, null, TAG_DATA);
parser.nextTag();
List<Object> list = new ArrayList<Object>();
while (parser.getName().equals(TAG_VALUE)) {
list.add(deserialize(parser));
parser.nextTag();
}
parser.require(XmlPullParser.END_TAG, null, TAG_DATA);
parser.nextTag(); // TAG_ARRAY (</array>)
parser.require(XmlPullParser.END_TAG, null, TYPE_ARRAY);
obj = list.toArray();
} else
if (typeNodeName.equals(TYPE_STRUCT)) {
parser.nextTag();
Map<String, Object> map = new HashMap<String, Object>();
while (parser.getName().equals(TAG_MEMBER)) {
String memberName = null;
Object memberValue = null;
while (true) {
parser.nextTag();
String name = parser.getName();
if (name.equals(TAG_NAME)) {
memberName = parser.nextText();
} else
if (name.equals(TAG_VALUE)) {
memberValue = deserialize(parser);
} else {
break;
}
}
if (memberName != null && memberValue != null) {
map.put(memberName, memberValue);
}
parser.require(XmlPullParser.END_TAG, null, TAG_MEMBER);
parser.nextTag();
}
parser.require(XmlPullParser.END_TAG, null, TYPE_STRUCT);
obj = map;
} else {
throw new IOException("Cannot deserialize " + parser.getName());
}
parser.nextTag(); // TAG_VALUE (</value>)
parser.require(XmlPullParser.END_TAG, null, TAG_VALUE);
return obj;
}
}