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SSOController.java
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SSOController.java
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/*
* Copyright 2019 Vincenzo De Notaris
*
* 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:https://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 com.rnavagamuwa.springsecurity.controller;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.authentication.AnonymousAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.saml.metadata.MetadataManager;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import javax.servlet.http.HttpServletRequest;
import java.util.Set;
@Controller
@RequestMapping("/saml")
public class SSOController {
// Logger
private static final Logger LOG = LoggerFactory
.getLogger(SSOController.class);
@Autowired
private MetadataManager metadata;
@RequestMapping(value = "/discovery", method = RequestMethod.GET)
public String idpSelection(HttpServletRequest request, Model model) {
Authentication auth = SecurityContextHolder.getContext().getAuthentication();
if (auth == null)
LOG.debug("Current authentication instance from security context is null");
else
LOG.debug("Current authentication instance from security context: "
+ this.getClass().getSimpleName());
if (auth == null || (auth instanceof AnonymousAuthenticationToken)) {
Set<String> idps = metadata.getIDPEntityNames();
for (String idp : idps)
LOG.info("Configured Identity Provider for SSO: " + idp);
model.addAttribute("idps", idps);
return "pages/discovery";
} else {
LOG.warn("The current user is already logged.");
return "redirect:/landing";
}
}
}