samlcompliantuniqueticketidgenerator.java

来自「CAS在Tomcat中实现单点登录项目,单点登录（Single Sign On 」· Java 代码 · 共 47 行

/*
 * Copyright 2007 The JA-SIG Collaborative. All rights reserved. See license
 * distributed with this file and available online at
 * http://www.ja-sig.org/products/cas/overview/license/
 */
package org.jasig.cas.util;

import org.jasig.cas.util.annotation.NotNull;
import org.opensaml.artifact.SAMLArtifact;
import org.opensaml.artifact.SAMLArtifactType0002;
import org.opensaml.artifact.URI;

/**
 * Unique Ticket Id Generator compliant with the SAML 1.1 specification for
 * artifacts. This should also be compliant with the SAML 2 specification.
 * 
 * @author Scott
 * @version $Revision: 42053 $ $Date: 2007-06-10 09:17:55 -0400 (Sun, 10 Jun 2007) $
 * @since 3.0
 */
public final class SamlCompliantUniqueTicketIdGenerator implements
    UniqueTicketIdGenerator {

    /** SAML defines the source id as the server name. */
    @NotNull
    private final String sourceLocation;

    /** Random generator to construct the AssertionHandle. */
    private final RandomStringGenerator randomStringGenerator = new DefaultRandomStringGenerator(
        20);

    public SamlCompliantUniqueTicketIdGenerator(final String sourceId) {
        this.sourceLocation = sourceId;
    }

    /**
     * We ignore prefixes for SAML compliance.
     */
    public String getNewTicketId(final String prefix) {
        final SAMLArtifact samlArtifact = new SAMLArtifactType0002(
            this.randomStringGenerator.getNewStringAsBytes(), new URI(
                this.sourceLocation));

        return samlArtifact.encode();
    }
}