package com.ratebeer.android.api; /* * Copyright (c) 2011 James Smith <[email protected]> * Copyright (c) 2015 Fran Montiel * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import android.util.Log; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.io.Serializable; import java.lang.reflect.Field; import java.net.HttpCookie; /** * Based on the code from this stackoverflow answer http://stackoverflow.com/a/25462286/980387 by janoliver Modifications in the structure of the * class and addition of serialization of httpOnly attribute */ public class SerializableHttpCookie implements Serializable { private static final String TAG = SerializableHttpCookie.class.getSimpleName(); private static final long serialVersionUID = 6374381323722046732L; private transient HttpCookie cookie; // Workaround httpOnly: The httpOnly attribute is not accessible so when we // serialize and deserialize the cookie it not preserve the same value. We // need to access it using reflection private Field fieldHttpOnly; public SerializableHttpCookie() { } public String encode(HttpCookie cookie) { this.cookie = cookie; ByteArrayOutputStream os = new ByteArrayOutputStream(); try { ObjectOutputStream outputStream = new ObjectOutputStream(os); outputStream.writeObject(this); } catch (IOException e) { Log.d(TAG, "IOException in encodeCookie", e); return null; } return byteArrayToHexString(os.toByteArray()); } public HttpCookie decode(String encodedCookie) { byte[] bytes = hexStringToByteArray(encodedCookie); ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(bytes); HttpCookie cookie = null; try { ObjectInputStream objectInputStream = new ObjectInputStream(byteArrayInputStream); cookie = ((SerializableHttpCookie) objectInputStream.readObject()).cookie; } catch (IOException e) { Log.d(TAG, "IOException in decodeCookie", e); } catch (ClassNotFoundException e) { Log.d(TAG, "ClassNotFoundException in decodeCookie", e); } return cookie; } // Workaround httpOnly (getter) private boolean getHttpOnly() { try { initFieldHttpOnly(); return (boolean) fieldHttpOnly.get(cookie); } catch (Exception e) { // NoSuchFieldException || IllegalAccessException || // IllegalArgumentException Log.w(TAG, e); } return false; } // Workaround httpOnly (setter) private void setHttpOnly(boolean httpOnly) { try { initFieldHttpOnly(); fieldHttpOnly.set(cookie, httpOnly); } catch (Exception e) { // NoSuchFieldException || IllegalAccessException || // IllegalArgumentException Log.w(TAG, e); } } private void initFieldHttpOnly() throws NoSuchFieldException { fieldHttpOnly = cookie.getClass().getDeclaredField("httpOnly"); fieldHttpOnly.setAccessible(true); } private void writeObject(ObjectOutputStream out) throws IOException { out.writeObject(cookie.getName()); out.writeObject(cookie.getValue()); out.writeObject(cookie.getComment()); out.writeObject(cookie.getCommentURL()); out.writeObject(cookie.getDomain()); out.writeLong(cookie.getMaxAge()); out.writeObject(cookie.getPath()); out.writeObject(cookie.getPortlist()); out.writeInt(cookie.getVersion()); out.writeBoolean(cookie.getSecure()); out.writeBoolean(cookie.getDiscard()); out.writeBoolean(getHttpOnly()); } private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException { String name = (String) in.readObject(); String value = (String) in.readObject(); cookie = new HttpCookie(name, value); cookie.setComment((String) in.readObject()); cookie.setCommentURL((String) in.readObject()); cookie.setDomain((String) in.readObject()); cookie.setMaxAge(in.readLong()); cookie.setPath((String) in.readObject()); cookie.setPortlist((String) in.readObject()); cookie.setVersion(in.readInt()); cookie.setSecure(in.readBoolean()); cookie.setDiscard(in.readBoolean()); setHttpOnly(in.readBoolean()); } /** * Using some super basic byte array <-> hex conversions so we don't have to rely on any large Base64 libraries. Can be overridden if you * like! * @param bytes byte array to be converted * @return string containing hex values */ private String byteArrayToHexString(byte[] bytes) { StringBuilder sb = new StringBuilder(bytes.length * 2); for (byte element : bytes) { int v = element & 0xff; if (v < 16) { sb.append('0'); } sb.append(Integer.toHexString(v)); } return sb.toString(); } /** * Converts hex values from strings to byte array * @param hexString string of hex-encoded values * @return decoded byte array */ private byte[] hexStringToByteArray(String hexString) { int len = hexString.length(); byte[] data = new byte[len / 2]; for (int i = 0; i < len; i += 2) { data[i / 2] = (byte) ((Character.digit(hexString.charAt(i), 16) << 4) + Character.digit(hexString.charAt(i + 1), 16)); } return data; } }