/*
* Copyright (C) 2006 The Android Open Source Project
*
* 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.
*/
package android.webkit;
import android.net.ParseException;
import android.net.WebAddress;
import android.net.http.AndroidHttpClient;
import android.os.AsyncTask;
import android.util.Log;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Comparator;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.SortedSet;
import java.util.TreeSet;
/**
* CookieManager manages cookies according to RFC2109 spec.
*/
public final class CookieManager {
private static CookieManager sRef;
private static final String LOGTAG = "webkit";
private static final String DOMAIN = "domain";
private static final String PATH = "path";
private static final String EXPIRES = "expires";
private static final String SECURE = "secure";
private static final String MAX_AGE = "max-age";
private static final String HTTP_ONLY = "httponly";
private static final String HTTPS = "https";
private static final char PERIOD = '.';
private static final char COMMA = ',';
private static final char SEMICOLON = ';';
private static final char EQUAL = '=';
private static final char PATH_DELIM = '/';
private static final char QUESTION_MARK = '?';
private static final char WHITE_SPACE = ' ';
private static final char QUOTATION = '\"';
private static final int SECURE_LENGTH = SECURE.length();
private static final int HTTP_ONLY_LENGTH = HTTP_ONLY.length();
// RFC2109 defines 4k as maximum size of a cookie
private static final int MAX_COOKIE_LENGTH = 4 * 1024;
// RFC2109 defines 20 as max cookie count per domain. As we track with base
// domain, we allow 50 per base domain
private static final int MAX_COOKIE_COUNT_PER_BASE_DOMAIN = 50;
// RFC2109 defines 300 as max count of domains. As we track with base
// domain, we set 200 as max base domain count
private static final int MAX_DOMAIN_COUNT = 200;
// max cookie count to limit RAM cookie takes less than 100k, it is based on
// average cookie entry size is less than 100 bytes
private static final int MAX_RAM_COOKIES_COUNT = 1000;
// max domain count to limit RAM cookie takes less than 100k,
private static final int MAX_RAM_DOMAIN_COUNT = 15;
private Map<String, ArrayList<Cookie>> mCookieMap = new LinkedHashMap
<String, ArrayList<Cookie>>(MAX_DOMAIN_COUNT, 0.75f, true);
private boolean mAcceptCookie = true;
private int pendingCookieOperations = 0;
/**
* This contains a list of 2nd-level domains that aren't allowed to have
* wildcards when combined with country-codes. For example: [.co.uk].
*/
private final static String[] BAD_COUNTRY_2LDS =
{ "ac", "co", "com", "ed", "edu", "go", "gouv", "gov", "info",
"lg", "ne", "net", "or", "org" };
static {
Arrays.sort(BAD_COUNTRY_2LDS);
}
/**
* Package level class to be accessed by cookie sync manager
*/
static class Cookie {
static final byte MODE_NEW = 0;
static final byte MODE_NORMAL = 1;
static final byte MODE_DELETED = 2;
static final byte MODE_REPLACED = 3;
String domain;
String path;
String name;
String value;
long expires;
long lastAcessTime;
long lastUpdateTime;
boolean secure;
byte mode;
Cookie() {
}
Cookie(String defaultDomain, String defaultPath) {
domain = defaultDomain;
path = defaultPath;
expires = -1;
}
boolean exactMatch(Cookie in) {
// An exact match means that domain, path, and name are equal. If
// both values are null, the cookies match. If both values are
// non-null, the cookies match. If one value is null and the other
// is non-null, the cookies do not match (i.e. "foo=;" and "foo;")
boolean valuesMatch = !((value == null) ^ (in.value == null));
return domain.equals(in.domain) && path.equals(in.path) &&
name.equals(in.name) && valuesMatch;
}
boolean domainMatch(String urlHost) {
if (domain.startsWith(".")) {
if (urlHost.endsWith(domain.substring(1))) {
int len = domain.length();
int urlLen = urlHost.length();
if (urlLen > len - 1) {
// make sure bar.com doesn't match .ar.com
return urlHost.charAt(urlLen - len) == PERIOD;
}
return true;
}
return false;
} else {
// exact match if domain is not leading w/ dot
return urlHost.equals(domain);
}
}
boolean pathMatch(String urlPath) {
if (urlPath.startsWith(path)) {
int len = path.length();
if (len == 0) {
Log.w(LOGTAG, "Empty cookie path");
return false;
}
int urlLen = urlPath.length();
if (path.charAt(len-1) != PATH_DELIM && urlLen > len) {
// make sure /wee doesn't match /we
return urlPath.charAt(len) == PATH_DELIM;
}
return true;
}
return false;
}
public String toString() {
return "domain: " + domain + "; path: " + path + "; name: " + name
+ "; value: " + value;
}
}
private static final CookieComparator COMPARATOR = new CookieComparator();
private static final class CookieComparator implements Comparator<Cookie> {
public int compare(Cookie cookie1, Cookie cookie2) {
// According to RFC 2109, multiple cookies are ordered in a way such
// that those with more specific Path attributes precede those with
// less specific. Ordering with respect to other attributes (e.g.,
// Domain) is unspecified.
// As Set is not modified if the two objects are same, we do want to
// assign different value for each cookie.
int diff = cookie2.path.length() - cookie1.path.length();
if (diff != 0) return diff;
diff = cookie2.domain.length() - cookie1.domain.length();
if (diff != 0) return diff;
// If cookie2 has a null value, it should come later in
// the list.
if (cookie2.value == null) {
// If both cookies have null values, fall back to using the name
// difference.
if (cookie1.value != null) {
return -1;
}
} else if (cookie1.value == null) {
// Now we know that cookie2 does not have a null value, if
// cookie1 has a null value, place it later in the list.
return 1;
}
// Fallback to comparing the name to ensure consistent order.
return cookie1.name.compareTo(cookie2.name);
}
}
private CookieManager() {
}
protected Object clone() throws CloneNotSupportedException {
throw new CloneNotSupportedException("doesn't implement Cloneable");
}
/**
* Get a singleton CookieManager. If this is called before any
* {@link WebView} is created or outside of {@link WebView} context, the
* caller needs to call {@link CookieSyncManager#createInstance(Context)}
* first.
*
* @return CookieManager
*/
public static synchronized CookieManager getInstance() {
if (sRef == null) {
sRef = new CookieManager();
}
return sRef;
}
/**
* Control whether cookie is enabled or disabled
* @param accept TRUE if accept cookie
*/
public synchronized void setAcceptCookie(boolean accept) {
if (JniUtil.useChromiumHttpStack()) {
nativeSetAcceptCookie(accept);
return;
}
mAcceptCookie = accept;
}
/**
* Return whether cookie is enabled
* @return TRUE if accept cookie
*/
public synchronized boolean acceptCookie() {
if (JniUtil.useChromiumHttpStack()) {
return nativeAcceptCookie();
}
return mAcceptCookie;
}
/**
* Set cookie for a given url. The old cookie with same host/path/name will
* be removed. The new cookie will be added if it is not expired or it does
* not have expiration which implies it is session cookie.
* @param url The url which cookie is set for
* @param value The value for set-cookie: in http response header
*/
public void setCookie(String url, String value) {
if (JniUtil.useChromiumHttpStack()) {
setCookie(url, value, false);
return;
}
WebAddress uri;
try {
uri = new WebAddress(url);
} catch (ParseException ex) {
Log.e(LOGTAG, "Bad address: " + url);
return;
}
setCookie(uri, value);
}
/**
* Set cookie for a given url. The old cookie with same host/path/name will
* be removed. The new cookie will be added if it is not expired or it does
* not have expiration which implies it is session cookie.
* @param url The url which cookie is set for
* @param value The value for set-cookie: in http response header
* @param privateBrowsing cookie jar to use
* @hide hiding private browsing
*/
public void setCookie(String url, String value, boolean privateBrowsing) {
if (!JniUtil.useChromiumHttpStack()) {
setCookie(url, value);
return;
}
WebAddress uri;
try {
uri = new WebAddress(url);
} catch (ParseException ex) {
Log.e(LOGTAG, "Bad address: " + url);
return;
}
nativeSetCookie(uri.toString(), value, privateBrowsing);
}
/**
* Set cookie for a given uri. The old cookie with same host/path/name will
* be removed. The new cookie will be added if it is not expired or it does
* not have expiration which implies it is session cookie.
* @param uri The uri which cookie is set for
* @param value The value for set-cookie: in http response header
* @hide - hide this because it takes in a parameter of type WebAddress,
* a system private class.
*/
public synchronized void setCookie(WebAddress uri, String value) {
if (JniUtil.useChromiumHttpStack()) {
nativeSetCookie(uri.toString(), value, false);
return;
}
if (value != null && value.length() > MAX_COOKIE_LENGTH) {
return;
}
if (!mAcceptCookie || uri == null) {
return;
}
if (DebugFlags.COOKIE_MANAGER) {
Log.v(LOGTAG, "setCookie: uri: " + uri + " value: " + value);
}
String[] hostAndPath = getHostAndPath(uri);
if (hostAndPath == null) {
return;
}
// For default path, when setting a cookie, the spec says:
//Path: Defaults to the path of the request URL that generated the
// Set-Cookie response, up to, but not including, the
// right-most /.
if (hostAndPath[1].length() > 1) {
int index = hostAndPath[1].lastIndexOf(PATH_DELIM);
hostAndPath[1] = hostAndPath[1].substring(0,
index > 0 ? index : index + 1);
}
ArrayList<Cookie> cookies = null;
try {
cookies = parseCookie(hostAndPath[0], hostAndPath[1], value);
} catch (RuntimeException ex) {
Log.e(LOGTAG, "parse cookie failed for: " + value);
}
if (cookies == null || cookies.size() == 0) {
return;
}
String baseDomain = getBaseDomain(hostAndPath[0]);
ArrayList<Cookie> cookieList = mCookieMap.get(baseDomain);
if (cookieList == null) {
cookieList = CookieSyncManager.getInstance()
.getCookiesForDomain(baseDomain);
mCookieMap.put(baseDomain, cookieList);
}
long now = System.currentTimeMillis();
int size = cookies.size();
for (int i = 0; i < size; i++) {
Cookie cookie = cookies.get(i);
boolean done = false;
Iterator<Cookie> iter = cookieList.iterator();
while (iter.hasNext()) {
Cookie cookieEntry = iter.next();
if (cookie.exactMatch(cookieEntry)) {
// expires == -1 means no expires defined. Otherwise
// negative means far future
if (cookie.expires < 0 || cookie.expires > now) {
// secure cookies can't be overwritten by non-HTTPS url
if (!cookieEntry.secure || HTTPS.equals(uri.getScheme())) {
cookieEntry.value = cookie.value;
cookieEntry.expires = cookie.expires;
cookieEntry.secure = cookie.secure;
cookieEntry.lastAcessTime = now;
cookieEntry.lastUpdateTime = now;
cookieEntry.mode = Cookie.MODE_REPLACED;
}
} else {
cookieEntry.lastUpdateTime = now;
cookieEntry.mode = Cookie.MODE_DELETED;
}
done = true;
break;
}
}
// expires == -1 means no expires defined. Otherwise negative means
// far future
if (!done && (cookie.expires < 0 || cookie.expires > now)) {
cookie.lastAcessTime = now;
cookie.lastUpdateTime = now;
cookie.mode = Cookie.MODE_NEW;
if (cookieList.size() > MAX_COOKIE_COUNT_PER_BASE_DOMAIN) {
Cookie toDelete = new Cookie();
toDelete.lastAcessTime = now;
Iterator<Cookie> iter2 = cookieList.iterator();
while (iter2.hasNext()) {
Cookie cookieEntry2 = iter2.next();
if ((cookieEntry2.lastAcessTime < toDelete.lastAcessTime)
&& cookieEntry2.mode != Cookie.MODE_DELETED) {
toDelete = cookieEntry2;
}
}
toDelete.mode = Cookie.MODE_DELETED;
}
cookieList.add(cookie);
}
}
}
/**
* Get cookie(s) for a given url so that it can be set to "cookie:" in http
* request header.
* @param url The url needs cookie
* @return The cookies in the format of NAME=VALUE [; NAME=VALUE]
*/
public String getCookie(String url) {
if (JniUtil.useChromiumHttpStack()) {
return getCookie(url, false);
}
WebAddress uri;
try {
uri = new WebAddress(url);
} catch (ParseException ex) {
Log.e(LOGTAG, "Bad address: " + url);
return null;
}
return getCookie(uri);
}
/**
* Get cookie(s) for a given url so that it can be set to "cookie:" in http
* request header.
* @param url The url needs cookie
* @param privateBrowsing cookie jar to use
* @return The cookies in the format of NAME=VALUE [; NAME=VALUE]
* @hide Private mode is not very well exposed for now
*/
public String getCookie(String url, boolean privateBrowsing) {
if (!JniUtil.useChromiumHttpStack()) {
// Just redirect to regular get cookie for android stack
return getCookie(url);
}
WebAddress uri;
try {
uri = new WebAddress(url);
} catch (ParseException ex) {
Log.e(LOGTAG, "Bad address: " + url);
return null;
}
return nativeGetCookie(uri.toString(), privateBrowsing);
}
/**
* Get cookie(s) for a given uri so that it can be set to "cookie:" in http
* request header.
* @param uri The uri needs cookie
* @return The cookies in the format of NAME=VALUE [; NAME=VALUE]
* @hide - hide this because it has a parameter of type WebAddress, which
* is a system private class.
*/
public synchronized String getCookie(WebAddress uri) {
if (JniUtil.useChromiumHttpStack()) {
return nativeGetCookie(uri.toString(), false);
}
if (!mAcceptCookie || uri == null) {
return null;
}
String[] hostAndPath = getHostAndPath(uri);
if (hostAndPath == null) {
return null;
}
String baseDomain = getBaseDomain(hostAndPath[0]);
ArrayList<Cookie> cookieList = mCookieMap.get(baseDomain);
if (cookieList == null) {
cookieList = CookieSyncManager.getInstance()
.getCookiesForDomain(baseDomain);
mCookieMap.put(baseDomain, cookieList);
}
long now = System.currentTimeMillis();
boolean secure = HTTPS.equals(uri.getScheme());
Iterator<Cookie> iter = cookieList.iterator();
SortedSet<Cookie> cookieSet = new TreeSet<Cookie>(COMPARATOR);
while (iter.hasNext()) {
Cookie cookie = iter.next();
if (cookie.domainMatch(hostAndPath[0]) &&
cookie.pathMatch(hostAndPath[1])
// expires == -1 means no expires defined. Otherwise
// negative means far future
&& (cookie.expires < 0 || cookie.expires > now)
&& (!cookie.secure || secure)
&& cookie.mode != Cookie.MODE_DELETED) {
cookie.lastAcessTime = now;
cookieSet.add(cookie);
}
}
StringBuilder ret = new StringBuilder(256);
Iterator<Cookie> setIter = cookieSet.iterator();
while (setIter.hasNext()) {
Cookie cookie = setIter.next();
if (ret.length() > 0) {
ret.append(SEMICOLON);
// according to RC2109, SEMICOLON is official separator,
// but when log in yahoo.com, it needs WHITE_SPACE too.
ret.append(WHITE_SPACE);
}
ret.append(cookie.name);
if (cookie.value != null) {
ret.append(EQUAL);
ret.append(cookie.value);
}
}
if (ret.length() > 0) {
if (DebugFlags.COOKIE_MANAGER) {
Log.v(LOGTAG, "getCookie: uri: " + uri + " value: " + ret);
}
return ret.toString();
} else {
if (DebugFlags.COOKIE_MANAGER) {
Log.v(LOGTAG, "getCookie: uri: " + uri
+ " But can't find cookie.");
}
return null;
}
}
/**
* Waits for pending operations to completed.
* {@hide} Too late to release publically.
*/
public void waitForCookieOperationsToComplete() {
// Note that this function is applicable for both the java
// and native http stacks, and works correctly with either.
synchronized (this) {
while (pendingCookieOperations > 0) {
try {
wait();
} catch (InterruptedException e) { }
}
}
}
private synchronized void signalCookieOperationsComplete() {
pendingCookieOperations--;
assert pendingCookieOperations > -1;
notify();
}
private synchronized void signalCookieOperationsStart() {
pendingCookieOperations++;
}
/**
* Remove all session cookies, which are cookies without expiration date
*/
public void removeSessionCookie() {
signalCookieOperationsStart();
if (JniUtil.useChromiumHttpStack()) {
new AsyncTask<Void, Void, Void>() {
protected Void doInBackground(Void... none) {
nativeRemoveSessionCookie();
signalCookieOperationsComplete();
return null;
}
}.execute();
return;
}
final Runnable clearCache = new Runnable() {
public void run() {
synchronized(CookieManager.this) {
Collection<ArrayList<Cookie>> cookieList = mCookieMap.values();
Iterator<ArrayList<Cookie>> listIter = cookieList.iterator();
while (listIter.hasNext()) {
ArrayList<Cookie> list = listIter.next();
Iterator<Cookie> iter = list.iterator();
while (iter.hasNext()) {
Cookie cookie = iter.next();
if (cookie.expires == -1) {
iter.remove();
}
}
}
CookieSyncManager.getInstance().clearSessionCookies();
signalCookieOperationsComplete();
}
}
};
new Thread(clearCache).start();
}
/**
* Remove all cookies
*/
public void removeAllCookie() {
if (JniUtil.useChromiumHttpStack()) {
nativeRemoveAllCookie();
return;
}
final Runnable clearCache = new Runnable() {
public void run() {
synchronized(CookieManager.this) {
mCookieMap = new LinkedHashMap<String, ArrayList<Cookie>>(
MAX_DOMAIN_COUNT, 0.75f, true);
CookieSyncManager.getInstance().clearAllCookies();
}
}
};
new Thread(clearCache).start();
}
/**
* Return true if there are stored cookies.
*/
public synchronized boolean hasCookies() {
if (JniUtil.useChromiumHttpStack()) {
return hasCookies(false);
}
return CookieSyncManager.getInstance().hasCookies();
}
/**
* Return true if there are stored cookies.
* @param privateBrowsing cookie jar to use
* @hide Hiding private mode
*/
public synchronized boolean hasCookies(boolean privateBrowsing) {
if (!JniUtil.useChromiumHttpStack()) {
return hasCookies();
}
return nativeHasCookies(privateBrowsing);
}
/**
* Remove all expired cookies
*/
public void removeExpiredCookie() {
if (JniUtil.useChromiumHttpStack()) {
nativeRemoveExpiredCookie();
return;
}
final Runnable clearCache = new Runnable() {
public void run() {
synchronized(CookieManager.this) {
long now = System.currentTimeMillis();
Collection<ArrayList<Cookie>> cookieList = mCookieMap.values();
Iterator<ArrayList<Cookie>> listIter = cookieList.iterator();
while (listIter.hasNext()) {
ArrayList<Cookie> list = listIter.next();
Iterator<Cookie> iter = list.iterator();
while (iter.hasNext()) {
Cookie cookie = iter.next();
// expires == -1 means no expires defined. Otherwise
// negative means far future
if (cookie.expires > 0 && cookie.expires < now) {
iter.remove();
}
}
}
CookieSyncManager.getInstance().clearExpiredCookies(now);
}
}
};
new Thread(clearCache).start();
}
/**
* Package level api, called from CookieSyncManager
*
* Flush all cookies managed by the Chrome HTTP stack to flash.
*/
void flushCookieStore() {
if (JniUtil.useChromiumHttpStack()) {
nativeFlushCookieStore();
}
}
/**
* Whether cookies are accepted for file scheme URLs.
*/
public static boolean allowFileSchemeCookies() {
if (JniUtil.useChromiumHttpStack()) {
return nativeAcceptFileSchemeCookies();
} else {
return true;
}
}
/**
* Sets whether cookies are accepted for file scheme URLs.
*
* Use of cookies with file scheme URLs is potentially insecure. Do not use this feature unless
* you can be sure that no unintentional sharing of cookie data can take place.
* <p>
* Note that calls to this method will have no effect if made after a WebView or CookieManager
* instance has been created.
*/
public static void setAcceptFileSchemeCookies(boolean accept) {
if (JniUtil.useChromiumHttpStack()) {
nativeSetAcceptFileSchemeCookies(accept);
}
}
/**
* Package level api, called from CookieSyncManager
*
* Get a list of cookies which are updated since a given time.
* @param last The given time in millisec
* @return A list of cookies
*/
synchronized ArrayList<Cookie> getUpdatedCookiesSince(long last) {
ArrayList<Cookie> cookies = new ArrayList<Cookie>();
Collection<ArrayList<Cookie>> cookieList = mCookieMap.values();
Iterator<ArrayList<Cookie>> listIter = cookieList.iterator();
while (listIter.hasNext()) {
ArrayList<Cookie> list = listIter.next();
Iterator<Cookie> iter = list.iterator();
while (iter.hasNext()) {
Cookie cookie = iter.next();
if (cookie.lastUpdateTime > last) {
cookies.add(cookie);
}
}
}
return cookies;
}
/**
* Package level api, called from CookieSyncManager
*
* Delete a Cookie in the RAM
* @param cookie Cookie to be deleted
*/
synchronized void deleteACookie(Cookie cookie) {
if (cookie.mode == Cookie.MODE_DELETED) {
String baseDomain = getBaseDomain(cookie.domain);
ArrayList<Cookie> cookieList = mCookieMap.get(baseDomain);
if (cookieList != null) {
cookieList.remove(cookie);
if (cookieList.isEmpty()) {
mCookieMap.remove(baseDomain);
}
}
}
}
/**
* Package level api, called from CookieSyncManager
*
* Called after a cookie is synced to FLASH
* @param cookie Cookie to be synced
*/
synchronized void syncedACookie(Cookie cookie) {
cookie.mode = Cookie.MODE_NORMAL;
}
/**
* Package level api, called from CookieSyncManager
*
* Delete the least recent used domains if the total cookie count in RAM
* exceeds the limit
* @return A list of cookies which are removed from RAM
*/
synchronized ArrayList<Cookie> deleteLRUDomain() {
int count = 0;
int byteCount = 0;
int mapSize = mCookieMap.size();
if (mapSize < MAX_RAM_DOMAIN_COUNT) {
Collection<ArrayList<Cookie>> cookieLists = mCookieMap.values();
Iterator<ArrayList<Cookie>> listIter = cookieLists.iterator();
while (listIter.hasNext() && count < MAX_RAM_COOKIES_COUNT) {
ArrayList<Cookie> list = listIter.next();
if (DebugFlags.COOKIE_MANAGER) {
Iterator<Cookie> iter = list.iterator();
while (iter.hasNext() && count < MAX_RAM_COOKIES_COUNT) {
Cookie cookie = iter.next();
// 14 is 3 * sizeof(long) + sizeof(boolean)
// + sizeof(byte)
byteCount += cookie.domain.length()
+ cookie.path.length()
+ cookie.name.length()
+ (cookie.value != null
? cookie.value.length()
: 0)
+ 14;
count++;
}
} else {
count += list.size();
}
}
}
ArrayList<Cookie> retlist = new ArrayList<Cookie>();
if (mapSize >= MAX_RAM_DOMAIN_COUNT || count >= MAX_RAM_COOKIES_COUNT) {
if (DebugFlags.COOKIE_MANAGER) {
Log.v(LOGTAG, count + " cookies used " + byteCount
+ " bytes with " + mapSize + " domains");
}
Object[] domains = mCookieMap.keySet().toArray();
int toGo = mapSize / 10 + 1;
while (toGo-- > 0){
String domain = domains[toGo].toString();
if (DebugFlags.COOKIE_MANAGER) {
Log.v(LOGTAG, "delete domain: " + domain
+ " from RAM cache");
}
retlist.addAll(mCookieMap.get(domain));
mCookieMap.remove(domain);
}
}
return retlist;
}
/**
* Extract the host and path out of a uri
* @param uri The given WebAddress
* @return The host and path in the format of String[], String[0] is host
* which has at least two periods, String[1] is path which always
* ended with "/"
*/
private String[] getHostAndPath(WebAddress uri) {
if (uri.getHost() != null && uri.getPath() != null) {
/*
* The domain (i.e. host) portion of the cookie is supposed to be
* case-insensitive. We will consistently return the domain in lower
* case, which allows us to do the more efficient equals comparison
* instead of equalIgnoreCase.
*
* See: http://www.ieft.org/rfc/rfc2965.txt (Section 3.3.3)
*/
String[] ret = new String[2];
ret[0] = uri.getHost().toLowerCase();
ret[1] = uri.getPath();
int index = ret[0].indexOf(PERIOD);
if (index == -1) {
if (uri.getScheme().equalsIgnoreCase("file")) {
// There is a potential bug where a local file path matches
// another file in the local web server directory. Still
// "localhost" is the best pseudo domain name.
ret[0] = "localhost";
}
} else if (index == ret[0].lastIndexOf(PERIOD)) {
// cookie host must have at least two periods
ret[0] = PERIOD + ret[0];
}
if (ret[1].charAt(0) != PATH_DELIM) {
return null;
}
/*
* find cookie path, e.g. for http://www.google.com, the path is "/"
* for http://www.google.com/lab/, the path is "/lab"
* for http://www.google.com/lab/foo, the path is "/lab/foo"
* for http://www.google.com/lab?hl=en, the path is "/lab"
* for http://www.google.com/lab.asp?hl=en, the path is "/lab.asp"
* Note: the path from URI has at least one "/"
* See:
* http://www.unix.com.ua/rfc/rfc2109.html
*/
index = ret[1].indexOf(QUESTION_MARK);
if (index != -1) {
ret[1] = ret[1].substring(0, index);
}
return ret;
} else
return null;
}
/**
* Get the base domain for a give host. E.g. mail.google.com will return
* google.com
* @param host The give host
* @return the base domain
*/
private String getBaseDomain(String host) {
int startIndex = 0;
int nextIndex = host.indexOf(PERIOD);
int lastIndex = host.lastIndexOf(PERIOD);
while (nextIndex < lastIndex) {
startIndex = nextIndex + 1;
nextIndex = host.indexOf(PERIOD, startIndex);
}
if (startIndex > 0) {
return host.substring(startIndex);
} else {
return host;
}
}
/**
* parseCookie() parses the cookieString which is a comma-separated list of
* one or more cookies in the format of "NAME=VALUE; expires=DATE;
* path=PATH; domain=DOMAIN_NAME; secure httponly" to a list of Cookies.
* Here is a sample: IGDND=1, IGPC=ET=UB8TSNwtDmQ:AF=0; expires=Sun,
* 17-Jan-2038 19:14:07 GMT; path=/ig; domain=.google.com, =,
* PREF=ID=408909b1b304593d:TM=1156459854:LM=1156459854:S=V-vCAU6Sh-gobCfO;
* expires=Sun, 17-Jan-2038 19:14:07 GMT; path=/; domain=.google.com which
* contains 3 cookies IGDND, IGPC, PREF and an empty cookie
* @param host The default host
* @param path The default path
* @param cookieString The string coming from "Set-Cookie:"
* @return A list of Cookies
*/
private ArrayList<Cookie> parseCookie(String host, String path,
String cookieString) {
ArrayList<Cookie> ret = new ArrayList<Cookie>();
int index = 0;
int length = cookieString.length();
while (true) {
Cookie cookie = null;
// done
if (index < 0 || index >= length) {
break;
}
// skip white space
if (cookieString.charAt(index) == WHITE_SPACE) {
index++;
continue;
}
/*
* get NAME=VALUE; pair. detecting the end of a pair is tricky, it
* can be the end of a string, like "foo=bluh", it can be semicolon
* like "foo=bluh;path=/"; or it can be enclosed by \", like
* "foo=\"bluh bluh\";path=/"
*
* Note: in the case of "foo=bluh, bar=bluh;path=/", we interpret
* it as one cookie instead of two cookies.
*/
int semicolonIndex = cookieString.indexOf(SEMICOLON, index);
int equalIndex = cookieString.indexOf(EQUAL, index);
cookie = new Cookie(host, path);
// Cookies like "testcookie; path=/;" are valid and used
// (lovefilm.se).
// Look for 2 cases:
// 1. "foo" or "foo;" where equalIndex is -1
// 2. "foo; path=..." where the first semicolon is before an equal
// and a semicolon exists.
if ((semicolonIndex != -1 && (semicolonIndex < equalIndex)) ||
equalIndex == -1) {
// Fix up the index in case we have a string like "testcookie"
if (semicolonIndex == -1) {
semicolonIndex = length;
}
cookie.name = cookieString.substring(index, semicolonIndex);
cookie.value = null;
} else {
cookie.name = cookieString.substring(index, equalIndex);
// Make sure we do not throw an exception if the cookie is like
// "foo="
if ((equalIndex < length - 1) &&
(cookieString.charAt(equalIndex + 1) == QUOTATION)) {
index = cookieString.indexOf(QUOTATION, equalIndex + 2);
if (index == -1) {
// bad format, force return
break;
}
}
// Get the semicolon index again in case it was contained within
// the quotations.
semicolonIndex = cookieString.indexOf(SEMICOLON, index);
if (semicolonIndex == -1) {
semicolonIndex = length;
}
if (semicolonIndex - equalIndex > MAX_COOKIE_LENGTH) {
// cookie is too big, trim it
cookie.value = cookieString.substring(equalIndex + 1,
equalIndex + 1 + MAX_COOKIE_LENGTH);
} else if (equalIndex + 1 == semicolonIndex
|| semicolonIndex < equalIndex) {
// this is an unusual case like "foo=;" or "foo="
cookie.value = "";
} else {
cookie.value = cookieString.substring(equalIndex + 1,
semicolonIndex);
}
}
// get attributes
index = semicolonIndex;
while (true) {
// done
if (index < 0 || index >= length) {
break;
}
// skip white space and semicolon
if (cookieString.charAt(index) == WHITE_SPACE
|| cookieString.charAt(index) == SEMICOLON) {
index++;
continue;
}
// comma means next cookie
if (cookieString.charAt(index) == COMMA) {
index++;
break;
}
// "secure" is a known attribute doesn't use "=";
// while sites like live.com uses "secure="
if (length - index >= SECURE_LENGTH
&& cookieString.substring(index, index + SECURE_LENGTH).
equalsIgnoreCase(SECURE)) {
index += SECURE_LENGTH;
cookie.secure = true;
if (index == length) break;
if (cookieString.charAt(index) == EQUAL) index++;
continue;
}
// "httponly" is a known attribute doesn't use "=";
// while sites like live.com uses "httponly="
if (length - index >= HTTP_ONLY_LENGTH
&& cookieString.substring(index,
index + HTTP_ONLY_LENGTH).
equalsIgnoreCase(HTTP_ONLY)) {
index += HTTP_ONLY_LENGTH;
if (index == length) break;
if (cookieString.charAt(index) == EQUAL) index++;
// FIXME: currently only parse the attribute
continue;
}
equalIndex = cookieString.indexOf(EQUAL, index);
if (equalIndex > 0) {
String name = cookieString.substring(index, equalIndex).toLowerCase();
int valueIndex = equalIndex + 1;
while (valueIndex < length && cookieString.charAt(valueIndex) == WHITE_SPACE) {
valueIndex++;
}
if (name.equals(EXPIRES)) {
int comaIndex = cookieString.indexOf(COMMA, equalIndex);
// skip ',' in (Wdy, DD-Mon-YYYY HH:MM:SS GMT) or
// (Weekday, DD-Mon-YY HH:MM:SS GMT) if it applies.
// "Wednesday" is the longest Weekday which has length 9
if ((comaIndex != -1) &&
(comaIndex - valueIndex <= 10)) {
index = comaIndex + 1;
}
}
semicolonIndex = cookieString.indexOf(SEMICOLON, index);
int commaIndex = cookieString.indexOf(COMMA, index);
if (semicolonIndex == -1 && commaIndex == -1) {
index = length;
} else if (semicolonIndex == -1) {
index = commaIndex;
} else if (commaIndex == -1) {
index = semicolonIndex;
} else {
index = Math.min(semicolonIndex, commaIndex);
}
String value = cookieString.substring(valueIndex, index);
// Strip quotes if they exist
if (value.length() > 2 && value.charAt(0) == QUOTATION) {
int endQuote = value.indexOf(QUOTATION, 1);
if (endQuote > 0) {
value = value.substring(1, endQuote);
}
}
if (name.equals(EXPIRES)) {
try {
cookie.expires = AndroidHttpClient.parseDate(value);
} catch (IllegalArgumentException ex) {
Log.e(LOGTAG,
"illegal format for expires: " + value);
}
} else if (name.equals(MAX_AGE)) {
try {
cookie.expires = System.currentTimeMillis() + 1000
* Long.parseLong(value);
} catch (NumberFormatException ex) {
Log.e(LOGTAG,
"illegal format for max-age: " + value);
}
} else if (name.equals(PATH)) {
// only allow non-empty path value
if (value.length() > 0) {
cookie.path = value;
}
} else if (name.equals(DOMAIN)) {
int lastPeriod = value.lastIndexOf(PERIOD);
if (lastPeriod == 0) {
// disallow cookies set for TLDs like [.com]
cookie.domain = null;
continue;
}
try {
Integer.parseInt(value.substring(lastPeriod + 1));
// no wildcard for ip address match
if (!value.equals(host)) {
// no cross-site cookie
cookie.domain = null;
}
continue;
} catch (NumberFormatException ex) {
// ignore the exception, value is a host name
}
value = value.toLowerCase();
if (value.charAt(0) != PERIOD) {
// pre-pended dot to make it as a domain cookie
value = PERIOD + value;
lastPeriod++;
}
if (host.endsWith(value.substring(1))) {
int len = value.length();
int hostLen = host.length();
if (hostLen > (len - 1)
&& host.charAt(hostLen - len) != PERIOD) {
// make sure the bar.com doesn't match .ar.com
cookie.domain = null;
continue;
}
// disallow cookies set on ccTLDs like [.co.uk]
if ((len == lastPeriod + 3)
&& (len >= 6 && len <= 8)) {
String s = value.substring(1, lastPeriod);
if (Arrays.binarySearch(BAD_COUNTRY_2LDS, s) >= 0) {
cookie.domain = null;
continue;
}
}
cookie.domain = value;
} else {
// no cross-site or more specific sub-domain cookie
cookie.domain = null;
}
}
} else {
// bad format, force return
index = length;
}
}
if (cookie != null && cookie.domain != null) {
ret.add(cookie);
}
}
return ret;
}
// Native functions
private static native boolean nativeAcceptCookie();
private static native String nativeGetCookie(String url, boolean privateBrowsing);
private static native boolean nativeHasCookies(boolean privateBrowsing);
private static native void nativeRemoveAllCookie();
private static native void nativeRemoveExpiredCookie();
private static native void nativeRemoveSessionCookie();
private static native void nativeSetAcceptCookie(boolean accept);
private static native void nativeSetCookie(String url, String value, boolean privateBrowsing);
private static native void nativeFlushCookieStore();
private static native boolean nativeAcceptFileSchemeCookies();
private static native void nativeSetAcceptFileSchemeCookies(boolean accept);
}