package org.goodev.discourse.utils;
import org.json.JSONObject;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.StringTokenizer;
/**
* CookieManager is a simple utilty for handling cookies when working with java.net.URL and java.net.URLConnection objects. Cookiemanager cm
* = new CookieManager(); URL url = new URL("http://www.hccp.org/test/cookieTest.jsp"); . . . // getting cookies: URLConnection conn =
* url.openConnection(); conn.connect(); // setting cookies cm.storeCookies(conn); cm.setCookies(url.openConnection());
*
* @author Ian Brown
*/
public class CookieManager {
private static final String SET_COOKIE = "Set-Cookie";
private static final String COOKIE_VALUE_DELIMITER = ";";
private static final String PATH = "path";
private static final String EXPIRES = "expires";
private static final String DATE_FORMAT = "EEE, dd-MMM-yyyy hh:mm:ss z";
private static final String SET_COOKIE_SEPARATOR = "; ";
private static final String COOKIE = "Cookie";
private static final char NAME_VALUE_SEPARATOR = '=';
private static final char DOT = '.';
public static String csrfUrl = "http://meta.discourse.org/session/csrf.json";
public static String sessionUrl = "http://meta.discourse.org/session";
public static String loginUrl = "http://meta.discourse.org/login";
public static String msgUrl = "http://meta.discourse.org/topics/private-messages/rain_hust.json";
private final Map store;
private final DateFormat dateFormat;
public CookieManager() {
store = new HashMap();
dateFormat = new SimpleDateFormat(DATE_FORMAT);
}
public static void main(String[] args) {
CookieManager cm = new CookieManager();
try {
URL url = new URL(csrfUrl);
URLConnection conn = url.openConnection();
conn.connect();
cm.storeCookies(conn);
BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
StringBuilder response = new StringBuilder();
String inputLine;
while ((inputLine = in.readLine()) != null)
response.append(inputLine);
in.close();
String csrfs = response.toString();
JSONObject csrf = new JSONObject(csrfs);
String csrfV = csrf.getString("csrf");
Map<String, String> data = new HashMap<String, String>();
data.put("login", "rain_hust");
data.put("password", "147852");
data.put("authenticity_token", csrfV);
// login=rain_hust&password=147852
HttpRequest r = HttpRequest.post("http://meta.discourse.org/session.json");
HttpURLConnection con = r.getConnection();
cm.setCookies(con);
r.header("X-CSRF-Token", csrfV).
header("Content-Type", "application/json").
form(data);
String user = r.body();
cm.storeCookies(con);
HttpRequest r2 = HttpRequest.post("http://meta.discourse.org/login.json");
HttpURLConnection con2 = r2.getConnection();
cm.setCookies(con2);
r2.header("X-CSRF-Token", csrfV).
header("Content-Type", "application/json").
form(data);
String user2 = r2.body();
cm.storeCookies(con2);
HttpRequest g = HttpRequest.get("http://meta.discourse.org/topics/private-messages/rain_hust.json");
HttpURLConnection con3 = g.getConnection();
cm.setCookies(con3);
g.header("X-CSRF-Token", csrfV);
String b = g.body();
// cm.setCookies(url.openConnection());
} catch (Exception ioe) {
ioe.printStackTrace();
}
}
/**
* Retrieves and stores cookies returned by the host on the other side of the the open java.net.URLConnection. The connection MUST have
* been opened using the connect() method or a IOException will be thrown.
*
* @param conn a java.net.URLConnection - must be open, or IOException will be thrown
* @throws java.io.IOException Thrown if conn is not open.
*/
public void storeCookies(URLConnection conn) throws IOException {
// let's determine the domain from where these cookies are being sent
String domain = getDomainFromHost(conn.getURL().getHost());
Map domainStore; // this is where we will store cookies for this domain
// now let's check the store to see if we have an entry for this domain
if (store.containsKey(domain)) {
// we do, so lets retrieve it from the store
domainStore = (Map) store.get(domain);
} else {
// we don't, so let's create it and put it in the store
domainStore = new HashMap();
store.put(domain, domainStore);
}
// OK, now we are ready to get the cookies out of the URLConnection
String headerName = null;
for (int i = 1; (headerName = conn.getHeaderFieldKey(i)) != null; i++) {
if (headerName.equalsIgnoreCase(SET_COOKIE)) {
Map cookie = new HashMap();
StringTokenizer st = new StringTokenizer(conn.getHeaderField(i), COOKIE_VALUE_DELIMITER);
// the specification dictates that the first name/value pair
// in the string is the cookie name and value, so let's handle
// them as a special case:
if (st.hasMoreTokens()) {
String token = st.nextToken();
String name = token.substring(0, token.indexOf(NAME_VALUE_SEPARATOR));
String value = token.substring(token.indexOf(NAME_VALUE_SEPARATOR) + 1, token.length());
domainStore.put(name, cookie);
cookie.put(name, value);
}
while (st.hasMoreTokens()) {
String token = st.nextToken();
try {
cookie.put(token.substring(0, token.indexOf(NAME_VALUE_SEPARATOR)).toLowerCase(), token.substring(token.indexOf(NAME_VALUE_SEPARATOR) + 1, token.length()));
} catch (Exception e) {
}
}
}
}
}
/**
* Prior to opening a URLConnection, calling this method will set all unexpired cookies that match the path or subpaths for thi
* underlying URL The connection MUST NOT have been opened method or an IOException will be thrown.
*
* @param conn a java.net.URLConnection - must NOT be open, or IOException will be thrown
* @throws java.io.IOException Thrown if conn has already been opened.
*/
public void setCookies(URLConnection conn) throws IOException {
// let's determine the domain and path to retrieve the appropriate cookies
URL url = conn.getURL();
String domain = getDomainFromHost(url.getHost());
String path = url.getPath();
Map domainStore = (Map) store.get(domain);
if (domainStore == null)
return;
StringBuffer cookieStringBuffer = new StringBuffer();
Iterator cookieNames = domainStore.keySet().iterator();
while (cookieNames.hasNext()) {
String cookieName = (String) cookieNames.next();
Map cookie = (Map) domainStore.get(cookieName);
// check cookie to ensure path matches and cookie is not expired
// if all is cool, add cookie to header string
if (comparePaths((String) cookie.get(PATH), path) && isNotExpired((String) cookie.get(EXPIRES))) {
cookieStringBuffer.append(cookieName);
cookieStringBuffer.append("=");
cookieStringBuffer.append((String) cookie.get(cookieName));
if (cookieNames.hasNext())
cookieStringBuffer.append(SET_COOKIE_SEPARATOR);
}
}
try {
conn.setRequestProperty(COOKIE, cookieStringBuffer.toString());
} catch (java.lang.IllegalStateException ise) {
IOException ioe = new IOException("Illegal State! Cookies cannot be set on a URLConnection that is already connected. " + "Only call setCookies(java.net.URLConnection) AFTER calling java.net.URLConnection.connect().");
throw ioe;
}
}
private String getDomainFromHost(String host) {
if (host.indexOf(DOT) != host.lastIndexOf(DOT)) {
return host.substring(host.indexOf(DOT) + 1);
} else {
return host;
}
}
private boolean isNotExpired(String cookieExpires) {
if (cookieExpires == null)
return true;
Date now = new Date();
try {
return (now.compareTo(dateFormat.parse(cookieExpires))) <= 0;
} catch (java.text.ParseException pe) {
pe.printStackTrace();
return false;
}
}
private boolean comparePaths(String cookiePath, String targetPath) {
if (cookiePath == null) {
return true;
} else if (cookiePath.equals("/")) {
return true;
} else if (targetPath.regionMatches(0, cookiePath, 0, cookiePath.length())) {
return true;
} else {
return false;
}
}
/**
* Returns a string representation of stored cookies organized by domain.
*/
@Override
public String toString() {
return store.toString();
}
}