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Diffstat (limited to 'src/org/apache/http/impl/cookie/RFC2965Spec.java')
| -rw-r--r-- | src/org/apache/http/impl/cookie/RFC2965Spec.java | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/src/org/apache/http/impl/cookie/RFC2965Spec.java b/src/org/apache/http/impl/cookie/RFC2965Spec.java new file mode 100644 index 0000000..9422fdf --- /dev/null +++ b/src/org/apache/http/impl/cookie/RFC2965Spec.java @@ -0,0 +1,259 @@ +/* + * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/module-client/src/main/java/org/apache/http/impl/cookie/RFC2965Spec.java $ + * $Revision: 653041 $ + * $Date: 2008-05-03 03:39:28 -0700 (Sat, 03 May 2008) $ + * + * ==================================================================== + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You 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. + * ==================================================================== + * + * This software consists of voluntary contributions made by many + * individuals on behalf of the Apache Software Foundation. For more + * information on the Apache Software Foundation, please see + * <http://www.apache.org/>. + * + */ + +package org.apache.http.impl.cookie; + +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Locale; +import java.util.Map; + +import org.apache.http.Header; +import org.apache.http.HeaderElement; +import org.apache.http.NameValuePair; +import org.apache.http.cookie.ClientCookie; +import org.apache.http.cookie.Cookie; +import org.apache.http.cookie.CookieAttributeHandler; +import org.apache.http.cookie.CookieOrigin; +import org.apache.http.cookie.MalformedCookieException; +import org.apache.http.cookie.SM; +import org.apache.http.message.BufferedHeader; +import org.apache.http.util.CharArrayBuffer; + +/** + * <p>RFC 2965 specific cookie management functions.</p> + * + * @author jain.samit@gmail.com (Samit Jain) + * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a> + * + * @since 3.1 + */ +public class RFC2965Spec extends RFC2109Spec { + + /** + * Default constructor + * + */ + public RFC2965Spec() { + this(null, false); + } + + public RFC2965Spec(final String[] datepatterns, boolean oneHeader) { + super(datepatterns, oneHeader); + registerAttribHandler(ClientCookie.DOMAIN_ATTR, new RFC2965DomainAttributeHandler()); + registerAttribHandler(ClientCookie.PORT_ATTR, new RFC2965PortAttributeHandler()); + registerAttribHandler(ClientCookie.COMMENTURL_ATTR, new RFC2965CommentUrlAttributeHandler()); + registerAttribHandler(ClientCookie.DISCARD_ATTR, new RFC2965DiscardAttributeHandler()); + registerAttribHandler(ClientCookie.VERSION_ATTR, new RFC2965VersionAttributeHandler()); + } + + private BasicClientCookie createCookie( + final String name, final String value, final CookieOrigin origin) { + BasicClientCookie cookie = new BasicClientCookie(name, value); + cookie.setPath(getDefaultPath(origin)); + cookie.setDomain(getDefaultDomain(origin)); + return cookie; + } + + private BasicClientCookie createCookie2( + final String name, final String value, final CookieOrigin origin) { + BasicClientCookie2 cookie = new BasicClientCookie2(name, value); + cookie.setPath(getDefaultPath(origin)); + cookie.setDomain(getDefaultDomain(origin)); + cookie.setPorts(new int [] { origin.getPort() }); + return cookie; + } + + @Override + public List<Cookie> parse( + final Header header, + CookieOrigin origin) throws MalformedCookieException { + if (header == null) { + throw new IllegalArgumentException("Header may not be null"); + } + if (origin == null) { + throw new IllegalArgumentException("Cookie origin may not be null"); + } + + origin = adjustEffectiveHost(origin); + + HeaderElement[] elems = header.getElements(); + + List<Cookie> cookies = new ArrayList<Cookie>(elems.length); + for (HeaderElement headerelement : elems) { + String name = headerelement.getName(); + String value = headerelement.getValue(); + if (name == null || name.length() == 0) { + throw new MalformedCookieException("Cookie name may not be empty"); + } + + BasicClientCookie cookie; + if (header.getName().equals(SM.SET_COOKIE2)) { + cookie = createCookie2(name, value, origin); + } else { + cookie = createCookie(name, value, origin); + } + + // cycle through the parameters + NameValuePair[] attribs = headerelement.getParameters(); + + // Eliminate duplicate attributes. The first occurrence takes precedence + // See RFC2965: 3.2 Origin Server Role + Map<String, NameValuePair> attribmap = + new HashMap<String, NameValuePair>(attribs.length); + for (int j = attribs.length - 1; j >= 0; j--) { + NameValuePair param = attribs[j]; + attribmap.put(param.getName().toLowerCase(Locale.ENGLISH), param); + } + for (Map.Entry<String, NameValuePair> entry : attribmap.entrySet()) { + NameValuePair attrib = entry.getValue(); + String s = attrib.getName().toLowerCase(Locale.ENGLISH); + + cookie.setAttribute(s, attrib.getValue()); + + CookieAttributeHandler handler = findAttribHandler(s); + if (handler != null) { + handler.parse(cookie, attrib.getValue()); + } + } + cookies.add(cookie); + } + return cookies; + } + + @Override + public void validate(final Cookie cookie, CookieOrigin origin) + throws MalformedCookieException { + if (cookie == null) { + throw new IllegalArgumentException("Cookie may not be null"); + } + if (origin == null) { + throw new IllegalArgumentException("Cookie origin may not be null"); + } + origin = adjustEffectiveHost(origin); + super.validate(cookie, origin); + } + + @Override + public boolean match(final Cookie cookie, CookieOrigin origin) { + if (cookie == null) { + throw new IllegalArgumentException("Cookie may not be null"); + } + if (origin == null) { + throw new IllegalArgumentException("Cookie origin may not be null"); + } + origin = adjustEffectiveHost(origin); + return super.match(cookie, origin); + } + + /** + * Adds valid Port attribute value, e.g. "8000,8001,8002" + */ + @Override + protected void formatCookieAsVer(final CharArrayBuffer buffer, + final Cookie cookie, int version) { + super.formatCookieAsVer(buffer, cookie, version); + // format port attribute + if (cookie instanceof ClientCookie) { + // Test if the port attribute as set by the origin server is not blank + String s = ((ClientCookie) cookie).getAttribute(ClientCookie.PORT_ATTR); + if (s != null) { + buffer.append("; $Port"); + buffer.append("=\""); + if (s.trim().length() > 0) { + int[] ports = cookie.getPorts(); + if (ports != null) { + for (int i = 0, len = ports.length; i < len; i++) { + if (i > 0) { + buffer.append(","); + } + buffer.append(Integer.toString(ports[i])); + } + } + } + buffer.append("\""); + } + } + } + + /** + * Set 'effective host name' as defined in RFC 2965. + * <p> + * If a host name contains no dots, the effective host name is + * that name with the string .local appended to it. Otherwise + * the effective host name is the same as the host name. Note + * that all effective host names contain at least one dot. + * + * @param origin origin where cookie is received from or being sent to. + * @return + */ + private static CookieOrigin adjustEffectiveHost(final CookieOrigin origin) { + String host = origin.getHost(); + + // Test if the host name appears to be a fully qualified DNS name, + // IPv4 address or IPv6 address + boolean isLocalHost = true; + for (int i = 0; i < host.length(); i++) { + char ch = host.charAt(i); + if (ch == '.' || ch == ':') { + isLocalHost = false; + break; + } + } + if (isLocalHost) { + host += ".local"; + return new CookieOrigin( + host, + origin.getPort(), + origin.getPath(), + origin.isSecure()); + } else { + return origin; + } + } + + @Override + public int getVersion() { + return 1; + } + + @Override + public Header getVersionHeader() { + CharArrayBuffer buffer = new CharArrayBuffer(40); + buffer.append(SM.COOKIE2); + buffer.append(": "); + buffer.append("$Version="); + buffer.append(Integer.toString(getVersion())); + return new BufferedHeader(buffer); + } + +} + |