package net.sf.jabref.net;
import java.net.*;
import java.text.*;
import java.util.*;
public class Cookie {
String name;
String value;
URI uri;
String domain;
Date expires;
String path;
private static DateFormat expiresFormat1
= new SimpleDateFormat("E, dd MMM yyyy k:m:s 'GMT'", Locale.US);
private static DateFormat expiresFormat2
= new SimpleDateFormat("E, dd-MMM-yyyy k:m:s 'GMT'", Locale.US);
/**
* Construct a cookie from the URI and header fields
*
* @param uri URI for cookie
* @param header Set of attributes in header
*/
public Cookie(URI uri, String header) {
String attributes[] = header.split(";");
String nameValue = attributes[0].trim();
this.uri = uri;
this.name =
nameValue.substring(0, nameValue.indexOf('='));
this.value =
nameValue.substring(nameValue.indexOf('=')+1);
this.path = "/";
this.domain = uri.getHost();
for (int i=1; i < attributes.length; i++) {
nameValue = attributes[i].trim();
int equals = nameValue.indexOf('=');
if (equals == -1) {
continue;
}
String name = nameValue.substring(0, equals);
String value = nameValue.substring(equals+1);
if (name.equalsIgnoreCase("domain")) {
String uriDomain = uri.getHost();
if (uriDomain.equals(value)) {
this.domain = value;
} else {
if (!value.startsWith(".")) {
value = "." + value;
}
uriDomain = uriDomain.substring(
uriDomain.indexOf('.'));
if (!uriDomain.equals(value) && !uriDomain.endsWith(value)
&& !value.endsWith(uriDomain)) {
throw new IllegalArgumentException("Trying to set foreign cookie");
}
this.domain = value;
}
} else if (name.equalsIgnoreCase("path")) {
this.path = value;
} else if (name.equalsIgnoreCase("expires")) {
try {
this.expires = expiresFormat1.parse(value);
} catch (ParseException e) {
try {
this.expires = expiresFormat2.parse(value);
} catch (ParseException e2) {
throw new IllegalArgumentException(
"Bad date format in header: " + value);
}
}
}
}
}
public boolean hasExpired() {
if (expires == null) {
return false;
}
Date now = new Date();
return now.after(expires);
}
public String getName() {
return name;
}
public URI getURI() {
return uri;
}
/**
* Check if cookie isn't expired and if URI matches,
* should cookie be included in response.
*
* @param uri URI to check against
* @return true if match, false otherwise
*/
public boolean matches(URI uri) {
if (hasExpired()) {
return false;
}
String path = uri.getPath();
if (path == null) {
path = "/";
}
return path.startsWith(this.path);
}
public String toString() {
StringBuilder result = new StringBuilder(name);
result.append("=");
result.append(value);
return result.toString();
}
}