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/*
* SonarQube
* Copyright (C) 2009-2025 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.auth.saml;
import java.io.IOException;
import java.io.UncheckedIOException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.sonar.api.server.ServerSide;
import org.sonar.api.server.authentication.OAuth2IdentityProvider;
import org.sonar.api.server.authentication.UserIdentity;
import org.sonar.api.server.http.HttpRequest;
import org.sonar.api.server.http.HttpResponse;
import org.springframework.security.saml2.provider.service.authentication.Saml2AuthenticatedPrincipal;
import org.springframework.security.saml2.provider.service.authentication.Saml2AuthenticationException;
@ServerSide
public class SamlAuthenticator {
private static final Logger LOGGER = LoggerFactory.getLogger(SamlAuthenticator.class);
private static final String STATE_REQUEST_PARAMETER = "RelayState";
private final RedirectToUrlProvider redirectToUrlProvider;
private final SamlResponseAuthenticator samlResponseAuthenticator;
private final PrincipalToUserIdentityConverter principalToUserIdentityConverter;
private final SamlStatusChecker samlStatusChecker;
private final SamlAuthStatusPageGenerator samlAuthStatusPageGenerator;
public SamlAuthenticator(RedirectToUrlProvider redirectToUrlProvider,
SamlResponseAuthenticator samlResponseAuthenticator, PrincipalToUserIdentityConverter principalToUserIdentityConverter, SamlStatusChecker samlStatusChecker,
SamlAuthStatusPageGenerator samlAuthStatusPageGenerator) {
this.redirectToUrlProvider = redirectToUrlProvider;
this.samlResponseAuthenticator = samlResponseAuthenticator;
this.principalToUserIdentityConverter = principalToUserIdentityConverter;
this.samlStatusChecker = samlStatusChecker;
this.samlAuthStatusPageGenerator = samlAuthStatusPageGenerator;
}
public void initLogin(String callbackUrl, String relayState, HttpRequest request, HttpResponse response) {
String redirectToUrl = redirectToUrlProvider.getRedirectToUrl(request, callbackUrl, relayState);
try {
response.sendRedirect(redirectToUrl);
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
public UserIdentity onCallback(OAuth2IdentityProvider.CallbackContext context, HttpRequest processedRequest) {
context.verifyCsrfState(STATE_REQUEST_PARAMETER);
Saml2AuthenticatedPrincipal principal = samlResponseAuthenticator.authenticate(processedRequest, context.getCallbackUrl());
LOGGER.trace("Attributes received : {}", principal.getAttributes());
return principalToUserIdentityConverter.convertToUserIdentity(principal);
}
public String getAuthenticationStatusPage(HttpRequest request) {
try {
Saml2AuthenticatedPrincipal principal = samlResponseAuthenticator.authenticate(request, request.getRequestURL());
String samlResponse = request.getParameter("SAMLResponse");
SamlAuthenticationStatus samlAuthenticationStatus = samlStatusChecker.getSamlAuthenticationStatus(samlResponse, principal);
return samlAuthStatusPageGenerator.getSamlAuthStatusHtml(request, samlAuthenticationStatus);
} catch (Saml2AuthenticationException e) {
SamlAuthenticationStatus samlAuthenticationStatus = samlStatusChecker.getSamlAuthenticationStatus(e.getMessage());
return samlAuthStatusPageGenerator.getSamlAuthStatusHtml(request, samlAuthenticationStatus);
} catch (IllegalStateException e) {
SamlAuthenticationStatus samlAuthenticationStatus = samlStatusChecker.getSamlAuthenticationStatus(String.format("%s due to: %s", e.getMessage(), e.getCause().getMessage()));
return samlAuthStatusPageGenerator.getSamlAuthStatusHtml(request, samlAuthenticationStatus);
}
}
}
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