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authorThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:45 -0800
committerThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:45 -0800
commitd83a98f4ce9cfa908f5c54bbd70f03eec07e7553 (patch)
tree4b825dc642cb6eb9a060e54bf8d69288fbee4904 /core/java/android/webkit/CookieManager.java
parent076357b8567458d4b6dfdcf839ef751634cd2bfb (diff)
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diff --git a/core/java/android/webkit/CookieManager.java b/core/java/android/webkit/CookieManager.java
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--- a/core/java/android/webkit/CookieManager.java
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-/*
- * 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.util.Config;
-import android.util.Log;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.Iterator;
-import java.util.LinkedHashMap;
-import java.util.Map;
-
-/**
- * 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;
-
- /**
- * 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) {
- return domain.equals(in.domain) && path.equals(in.path) &&
- name.equals(in.name);
- }
-
- 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 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) {
- mAcceptCookie = accept;
- }
-
- /**
- * Return whether cookie is enabled
- * @return TRUE if accept cookie
- */
- public synchronized boolean acceptCookie() {
- 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) {
- 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 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 (value != null && value.length() > MAX_COOKIE_LENGTH) {
- return;
- }
- if (!mAcceptCookie || uri == null) {
- return;
- }
- if (Config.LOGV) {
- 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.mScheme)) {
- 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) {
- 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 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 (!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.mScheme);
- Iterator<Cookie> iter = cookieList.iterator();
- StringBuilder ret = new StringBuilder(256);
-
- 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;
-
- if (ret.length() > 0) {
- ret.append(SEMICOLON);
- // according to RC2109, SEMICOLON is office separator,
- // but when log in yahoo.com, it needs WHITE_SPACE too.
- ret.append(WHITE_SPACE);
- }
-
- ret.append(cookie.name);
- ret.append(EQUAL);
- ret.append(cookie.value);
- }
- }
- if (ret.length() > 0) {
- if (Config.LOGV) {
- Log.v(LOGTAG, "getCookie: uri: " + uri + " value: " + ret);
- }
- return ret.toString();
- } else {
- if (Config.LOGV) {
- Log.v(LOGTAG, "getCookie: uri: " + uri
- + " But can't find cookie.");
- }
- return null;
- }
- }
-
- /**
- * Remove all session cookies, which are cookies without expiration date
- */
- public void removeSessionCookie() {
- 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();
- }
- }
- };
- new Thread(clearCache).start();
- }
-
- /**
- * Remove all cookies
- */
- public void removeAllCookie() {
- 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() {
- return CookieSyncManager.getInstance().hasCookies();
- }
-
- /**
- * Remove all expired cookies
- */
- public void removeExpiredCookie() {
- 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
- *
- * 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 (Config.DEBUG) {
- 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.length() + 14;
- count++;
- }
- } else {
- count += list.size();
- }
- }
- }
-
- ArrayList<Cookie> retlist = new ArrayList<Cookie>();
- if (mapSize >= MAX_RAM_DOMAIN_COUNT || count >= MAX_RAM_COOKIES_COUNT) {
- if (Config.DEBUG) {
- 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 (Config.LOGV) {
- 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.mHost != null && uri.mPath != null) {
- String[] ret = new String[2];
- ret[0] = uri.mHost;
- ret[1] = uri.mPath;
-
- int index = ret[0].indexOf(PERIOD);
- if (index == -1) {
- if (uri.mScheme.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 (!ret[0].equals("localhost")) {
- return null;
- }
- } 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 equalIndex = cookieString.indexOf(EQUAL, index);
- if (equalIndex == -1) {
- // bad format, force return
- break;
- }
- cookie = new Cookie(host, path);
- cookie.name = cookieString.substring(index, equalIndex);
- if (cookieString.charAt(equalIndex + 1) == QUOTATION) {
- index = cookieString.indexOf(QUOTATION, equalIndex + 2);
- if (index == -1) {
- // bad format, force return
- break;
- }
- }
- int 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 + MAX_COOKIE_LENGTH);
- } else if (equalIndex + 1 == semicolonIndex
- || semicolonIndex < equalIndex) {
- // these are unusual case like foo=; and foo; path=/
- 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 (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 (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();
- 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 - equalIndex <= 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(equalIndex + 1, 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 = HttpDateTime.parse(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;
- }
-}