package com.cheng.networkframestudy.okhttp.frame.cookie;
import android.content.Context;
import android.content.SharedPreferences;
import android.text.TextUtils;
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.net.CookieStore;
import java.net.HttpCookie;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
/**
* <pre>
* OkHttpClient client = new OkHttpClient.Builder()
* .cookieJar(new JavaNetCookieJar(new CookieManager(
* new PersistentCookieStore(getApplicationContext()),
* CookiePolicy.ACCEPT_ALL))
* .build();
*
* </pre>
* <p>
* from http://stackoverflow.com/questions/25461792/persistent-cookie-store-using-okhttp-2-on-android
* <p>
* <br/>
* A persistent cookie store which implements the Apache HttpClient CookieStore interface.
* Cookies are stored and will persist on the user's device between application sessions since they
* are serialized and stored in SharedPreferences. Instances of this class are
* designed to be used with AsyncHttpClient#setCookieStore, but can also be used with a
* regular old apache HttpClient/HttpContext if you prefer.
*/
public class PersistentCookieStore implements CookieStore {
private static final String LOG_TAG = "PersistentCookieStore";
private static final String COOKIE_PREFS = "CookiePrefsFile";
private static final String COOKIE_NAME_PREFIX = "cookie_";
private final HashMap<String, ConcurrentHashMap<String, HttpCookie>> mCookieMap;
private final SharedPreferences mCookiePrefs;
/**
* Construct a persistent cookie store.
*
* @param context Context to attach cookie store to
*/
public PersistentCookieStore(Context context) {
mCookiePrefs = context.getSharedPreferences(COOKIE_PREFS, 0);
mCookieMap = new HashMap<String, ConcurrentHashMap<String, HttpCookie>>();
// Load any previously stored mCookieMap into the store
Map<String, ?> prefsMap = mCookiePrefs.getAll();
for (Map.Entry<String, ?> entry : prefsMap.entrySet()) {
if (((String) entry.getValue()) != null && !((String) entry.getValue()).startsWith(COOKIE_NAME_PREFIX)) {
String[] cookieNames = TextUtils.split((String) entry.getValue(), ",");
for (String name : cookieNames) {
String encodedCookie = mCookiePrefs.getString(COOKIE_NAME_PREFIX + name, null);
if (encodedCookie != null) {
HttpCookie decodedCookie = decodeCookie(encodedCookie);
if (decodedCookie != null) {
if (!mCookieMap.containsKey(entry.getKey()))
mCookieMap.put(entry.getKey(), new ConcurrentHashMap<String, HttpCookie>());
mCookieMap.get(entry.getKey()).put(name, decodedCookie);
}
}
}
}
}
}
@Override
public void add(URI uri, HttpCookie cookie) {
String name = getCookieToken(uri, cookie);
// Save cookie into local store, or remove if expired
if (!cookie.hasExpired()) {
if (!mCookieMap.containsKey(uri.getHost()))
mCookieMap.put(uri.getHost(), new ConcurrentHashMap<String, HttpCookie>());
mCookieMap.get(uri.getHost()).put(name, cookie);
} else {
if (mCookieMap.containsKey(uri.toString()))
mCookieMap.get(uri.getHost()).remove(name);
}
// Save cookie into persistent store
SharedPreferences.Editor prefsWriter = mCookiePrefs.edit();
prefsWriter.putString(uri.getHost(), TextUtils.join(",", mCookieMap.get(uri.getHost()).keySet()));
prefsWriter.putString(COOKIE_NAME_PREFIX + name, encodeCookie(new SerializableHttpCookie(cookie)));
prefsWriter.commit();
}
protected String getCookieToken(URI uri, HttpCookie cookie) {
return cookie.getName() + cookie.getDomain();
}
@Override
public List<HttpCookie> get(URI uri) {
ArrayList<HttpCookie> ret = new ArrayList<HttpCookie>();
if (mCookieMap.containsKey(uri.getHost()))
ret.addAll(mCookieMap.get(uri.getHost()).values());
return ret;
}
@Override
public boolean removeAll() {
SharedPreferences.Editor prefsWriter = mCookiePrefs.edit();
prefsWriter.clear();
prefsWriter.commit();
mCookieMap.clear();
return true;
}
@Override
public boolean remove(URI uri, HttpCookie cookie) {
String name = getCookieToken(uri, cookie);
if (mCookieMap.containsKey(uri.getHost()) && mCookieMap.get(uri.getHost()).containsKey(name)) {
mCookieMap.get(uri.getHost()).remove(name);
SharedPreferences.Editor prefsWriter = mCookiePrefs.edit();
if (mCookiePrefs.contains(COOKIE_NAME_PREFIX + name)) {
prefsWriter.remove(COOKIE_NAME_PREFIX + name);
}
prefsWriter.putString(uri.getHost(), TextUtils.join(",", mCookieMap.get(uri.getHost()).keySet()));
prefsWriter.commit();
return true;
} else {
return false;
}
}
@Override
public List<HttpCookie> getCookies() {
ArrayList<HttpCookie> ret = new ArrayList<HttpCookie>();
for (String key : mCookieMap.keySet())
ret.addAll(mCookieMap.get(key).values());
return ret;
}
@Override
public List<URI> getURIs() {
ArrayList<URI> ret = new ArrayList<URI>();
for (String key : mCookieMap.keySet()) {
try {
ret.add(new URI(key));
} catch (URISyntaxException e) {
e.printStackTrace();
}
}
return ret;
}
/**
* Serializes Cookie object into String
*
* @param cookie cookie to be encoded, can be null
* @return cookie encoded as String
*/
protected String encodeCookie(SerializableHttpCookie cookie) {
if (cookie == null)
return null;
ByteArrayOutputStream os = new ByteArrayOutputStream();
try {
ObjectOutputStream outputStream = new ObjectOutputStream(os);
outputStream.writeObject(cookie);
} catch (IOException e) {
Log.d(LOG_TAG, "IOException in encodeCookie", e);
return null;
}
return byteArrayToHexString(os.toByteArray());
}
/**
* Returns cookie decoded from cookie string
*
* @param cookieString string of cookie as returned from http request
* @return decoded cookie or null if exception occured
*/
protected HttpCookie decodeCookie(String cookieString) {
byte[] bytes = hexStringToByteArray(cookieString);
ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(bytes);
HttpCookie cookie = null;
try {
ObjectInputStream objectInputStream = new ObjectInputStream(byteArrayInputStream);
cookie = ((SerializableHttpCookie) objectInputStream.readObject()).getCookie();
} catch (IOException e) {
Log.d(LOG_TAG, "IOException in decodeCookie", e);
} catch (ClassNotFoundException e) {
Log.d(LOG_TAG, "ClassNotFoundException in decodeCookie", e);
}
return cookie;
}
/**
* 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
*/
protected 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().toUpperCase(Locale.US);
}
/**
* Converts hex values from strings to byte arra
*
* @param hexString string of hex-encoded values
* @return decoded byte array
*/
protected 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;
}
}