incubation/bundles/org.eclipse.ecf.provider.phpbb/src/org/eclipse/ecf/internal/provider/phpbb/PHPBBCookies.java

/*******************************************************************************
 * Copyright (c) 2005, 2006 Erkki Lindpere and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Erkki Lindpere - initial API and implementation
 *******************************************************************************/
package org.eclipse.ecf.internal.provider.phpbb;

import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.util.HashMap;
import java.util.Map;
import java.util.regex.Pattern;

import org.apache.commons.httpclient.Cookie;

public class PHPBBCookies {
	public static final String KEY_SESS_ID = "phpbb.sessionid";

	public static final String KEY_USER_ID = "phpbb.userid";

	/**
	 * Matches an MD5.
	 */
	private static final Pattern PAT_SESS_ID = Pattern
			.compile("[0-9abcdef]{32}");

	public static Map<String, String> detectCookies(Cookie[] cookies) {
		Map<String, String> detected = new HashMap<String, String>();
		for (Cookie cookie : cookies) {
			if (PAT_SESS_ID.matcher(cookie.getValue()).matches()) {
				// detected session id
				detected.put(KEY_SESS_ID, cookie.getValue());
			} else {
				// try to detect user id
				try {
					String value = URLDecoder
							.decode(cookie.getValue(), "UTF-8");
					Map<String, String> map = PHPUtil
							.deserializeStringArray(value);
					if (map != null && map.containsKey("userid")) {
						detected.put(KEY_USER_ID, map.get("userid"));
					}
				} catch (UnsupportedEncodingException e) {
					// do nothing
				}
			}
		}
		return detected;
	}
}