HttpPostRedirect.java
/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags.
*
* Licensed 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.
*/
package org.keycloak.common.util;
import java.util.Map;
/**
* Helper class to do a browser redirect via a POST.
*
* @author <a href="mailto:bill@burkecentral.com">Bill Burke</a>
* @version $Revision: 1 $
* @deprecated Class is deprecated and may be removed in the future. Use org.keycloak.saml.BaseSAML2BindingBuilder#buildHtml instead
*/
@Deprecated
public class HttpPostRedirect {
/**
* Generate an HTML page that does a browser redirect via a POST. The HTML document uses Javascript to automatically
* submit a FORM post when loaded.
*
* This is similar to what the SAML Post Binding does.
*
* Here's an example
*
* <pre>
* {@code
* <HTML>
* <HEAD>
* <TITLE>title</TITLE>
* </HEAD>
* <BODY Onload="document.forms[0].submit()">
* <FORM METHOD="POST" ACTION="actionUrl">
* <INPUT TYPE="HIDDEN" NAME="param" VALUE="value"/>
* <NOSCRIPT>
* <P>JavaScript is disabled. We strongly recommend to enable it. Click the button below to continue.</P>
* <INPUT TYPE="SUBMIT" VALUE="CONTINUE"/>
* </NOSCRIPT>
* </FORM>
* </BODY>
* </HTML>
* }
* </pre>
*
* @param title may be null. Just the title of the HTML document
* @param actionUrl URL to redirect to
* @param params must be encoded so that they can be placed in an HTML form hidden INPUT field value
* @return
*/
public String buildHtml(String title, String actionUrl, Map<String, String> params) {
StringBuilder builder = new StringBuilder();
builder.append("<HTML>")
.append("<HEAD>");
if (title != null) {
builder.append("<TITLE>SAML HTTP Post Binding</TITLE>");
}
builder.append("</HEAD>")
.append("<BODY Onload=\"document.forms[0].submit()\">")
.append("<FORM METHOD=\"POST\" ACTION=\"").append(actionUrl).append("\">");
for (Map.Entry<String, String> param : params.entrySet()) {
builder.append("<INPUT TYPE=\"HIDDEN\" NAME=\"").append(param.getKey()).append("\"").append(" VALUE=\"").append(param.getValue()).append("\"/>");
}
builder.append("<NOSCRIPT>")
.append("<P>JavaScript is disabled. We strongly recommend to enable it. Click the button below to continue.</P>")
.append("<INPUT TYPE=\"SUBMIT\" VALUE=\"CONTINUE\" />")
.append("</NOSCRIPT>")
.append("</FORM></BODY></HTML>");
return builder.toString();
}
}