diff options
Diffstat (limited to 'id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/servlet/VerifyAuthenticationBlockServlet.java')
| -rw-r--r-- | id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/servlet/VerifyAuthenticationBlockServlet.java | 344 |
1 files changed, 344 insertions, 0 deletions
diff --git a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/servlet/VerifyAuthenticationBlockServlet.java b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/servlet/VerifyAuthenticationBlockServlet.java new file mode 100644 index 000000000..f15f839d7 --- /dev/null +++ b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/servlet/VerifyAuthenticationBlockServlet.java @@ -0,0 +1,344 @@ +/* + * Copyright 2003 Federal Chancellery Austria + * MOA-ID has been developed in a cooperation between BRZ, the Federal + * Chancellery Austria - ICT staff unit, and Graz University of Technology. + * + * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by + * the European Commission - subsequent versions of the EUPL (the "Licence"); + * You may not use this work except in compliance with the Licence. + * You may obtain a copy of the Licence at: + * http://www.osor.eu/eupl/ + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the Licence is distributed on an "AS IS" basis, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the Licence for the specific language governing permissions and + * limitations under the Licence. + * + * This product combines work with different licenses. See the "NOTICE" text + * file for details on the various modules and licenses. + * The "NOTICE" text file is part of the distribution. Any derivative works + * that you distribute must include a readable copy of the "NOTICE" text file. + */ + + +package at.gv.egovernment.moa.id.auth.servlet; + +import iaik.pki.PKIException; +import iaik.x509.X509Certificate; + +import java.io.IOException; +import java.security.GeneralSecurityException; +import java.util.Map; + +import javax.net.ssl.SSLSocketFactory; +import javax.servlet.ServletException; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; +import javax.xml.transform.TransformerException; + +import org.apache.commons.fileupload.FileUploadException; +import org.apache.commons.lang.StringEscapeUtils; +import org.w3c.dom.Element; + +import at.gv.egovernment.moa.id.AuthenticationException; +import at.gv.egovernment.moa.id.MOAIDException; +import at.gv.egovernment.moa.id.auth.AuthenticationServer; +import at.gv.egovernment.moa.id.auth.MOAIDAuthConstants; +import at.gv.egovernment.moa.id.auth.WrongParametersException; +import at.gv.egovernment.moa.id.auth.builder.DataURLBuilder; +import at.gv.egovernment.moa.id.auth.data.AuthenticationSession; +import at.gv.egovernment.moa.id.config.ConnectionParameter; +import at.gv.egovernment.moa.id.config.auth.AuthConfigurationProvider; +import at.gv.egovernment.moa.id.config.auth.OAAuthParameter; +import at.gv.egovernment.moa.id.util.ParamValidatorUtils; +import at.gv.egovernment.moa.id.util.SSLUtils; +import at.gv.egovernment.moa.id.util.client.mis.simple.MISSessionId; +import at.gv.egovernment.moa.id.util.client.mis.simple.MISSimpleClient; +import at.gv.egovernment.moa.id.util.client.mis.simple.MISSimpleClientException; +import at.gv.egovernment.moa.logging.Logger; +import at.gv.egovernment.moa.util.DOMUtils; +import at.gv.egovernment.moa.util.URLEncoder; + +/** + * Servlet requested for verifying the signed authentication block + * provided by the security layer implementation. + * Utilizes the {@link AuthenticationServer}. + * + * @author Paul Ivancsics + * @version $Id$ + */ +public class VerifyAuthenticationBlockServlet extends AuthServlet { + + + /** + * + */ + private static final long serialVersionUID = -2409629495345900542L; + +/** + * Constructor for VerifyAuthenticationBlockServlet. + */ + public VerifyAuthenticationBlockServlet() { + super(); + } + + /** + * GET requested by security layer implementation to verify + * that data URL resource is available. + * @see javax.servlet.http.HttpServlet#doGet(HttpServletRequest, HttpServletResponse) + */ + protected void doGet(HttpServletRequest req, HttpServletResponse resp) + throws ServletException, IOException { + + //doPost(req, resp); + + Logger.debug("GET VerifyAuthenticationBlock"); + + resp.setHeader(MOAIDAuthConstants.HEADER_EXPIRES,MOAIDAuthConstants.HEADER_VALUE_EXPIRES); + resp.setHeader(MOAIDAuthConstants.HEADER_PRAGMA,MOAIDAuthConstants.HEADER_VALUE_PRAGMA); + resp.setHeader(MOAIDAuthConstants.HEADER_CACHE_CONTROL,MOAIDAuthConstants.HEADER_VALUE_CACHE_CONTROL); + resp.addHeader(MOAIDAuthConstants.HEADER_CACHE_CONTROL,MOAIDAuthConstants.HEADER_VALUE_CACHE_CONTROL_IE); + + } + + /** + * Verifies the signed authentication block and redirects the browser + * to the online application requested, adding a parameter needed for + * retrieving the authentication data. + * <br> + * Request parameters: + * <ul> + * <li>MOASessionID: ID of associated authentication session</li> + * <li>XMLResponse: <code><CreateXMLSignatureResponse></code></li> + * </ul> + * Response: + * <ul> + * <li>Status: <code>302</code></li> + * <li>Header <code>"Location"</code>: URL of the online application requested, with + * parameters <code>"Target"</code>(only if the online application is + * a public service) and <code>"SAMLArtifact"</code> added</li> + * <li>Error status: <code>500</code> + * </ul> + * @see AuthenticationServer#verifyAuthenticationBlock + * @see javax.servlet.http.HttpServlet#doPost(HttpServletRequest, HttpServletResponse) + */ + protected void doPost(HttpServletRequest req, HttpServletResponse resp) + throws ServletException, IOException { + + Logger.debug("POST VerifyAuthenticationBlock"); + + resp.setHeader(MOAIDAuthConstants.HEADER_EXPIRES,MOAIDAuthConstants.HEADER_VALUE_EXPIRES); + resp.setHeader(MOAIDAuthConstants.HEADER_PRAGMA,MOAIDAuthConstants.HEADER_VALUE_PRAGMA); + resp.setHeader(MOAIDAuthConstants.HEADER_CACHE_CONTROL,MOAIDAuthConstants.HEADER_VALUE_CACHE_CONTROL); + resp.addHeader(MOAIDAuthConstants.HEADER_CACHE_CONTROL,MOAIDAuthConstants.HEADER_VALUE_CACHE_CONTROL_IE); + + + Map parameters; + try + { + parameters = getParameters(req); + } catch (FileUploadException e) + { + Logger.error("Parsing mulitpart/form-data request parameters failed: " + e.getMessage()); + throw new IOException(e.getMessage()); + } + String sessionID = req.getParameter(PARAM_SESSIONID); + String createXMLSignatureResponse = (String)parameters.get(PARAM_XMLRESPONSE); + + // escape parameter strings + sessionID = StringEscapeUtils.escapeHtml(sessionID); + + String redirectURL = null; + try { + // check parameter + if (!ParamValidatorUtils.isValidSessionID(sessionID)) + throw new WrongParametersException("VerifyAuthenticationBlock", PARAM_SESSIONID, "auth.12"); + if (!ParamValidatorUtils.isValidXMLDocument(createXMLSignatureResponse)) + throw new WrongParametersException("VerifyAuthenticationBlock", PARAM_XMLRESPONSE, "auth.12"); + + + AuthenticationSession session = AuthenticationServer.getSession(sessionID); + String samlArtifactBase64 = + AuthenticationServer.getInstance().verifyAuthenticationBlock(sessionID, createXMLSignatureResponse); + + + if (samlArtifactBase64 == null) { + //mandate Mode + + AuthConfigurationProvider authConf= AuthConfigurationProvider.getInstance(); + ConnectionParameter connectionParameters = authConf.getOnlineMandatesConnectionParameter(); + SSLSocketFactory sslFactory = SSLUtils.getSSLSocketFactory(AuthConfigurationProvider.getInstance(), connectionParameters); + + // get identitity link as byte[] + Element elem = session.getIdentityLink().getSamlAssertion(); + String s = DOMUtils.serializeNode(elem); + + //System.out.println("IDL: " + s); + + byte[] idl = s.getBytes(); + + // redirect url + // build redirect(to the GetMISSessionIdSerlvet) + redirectURL = + new DataURLBuilder().buildDataURL( + session.getAuthURL(), + GET_MIS_SESSIONID, + session.getSessionID()); + + String oaURL = session.getOAURLRequested(); + OAAuthParameter oaParam = authConf.getOnlineApplicationParameter(oaURL); + String profiles = oaParam.getMandateProfiles(); + + if (profiles == null) { + Logger.error("No Mandate/Profile for OA configured."); + throw new AuthenticationException("auth.16", new Object[] { GET_MIS_SESSIONID}); + } + + String profilesArray[] = profiles.split(","); + for(int i = 0; i < profilesArray.length; i++) { + profilesArray[i] = profilesArray[i].trim(); + } + + String oaFriendlyName = oaParam.getFriendlyName(); + String mandateReferenceValue = session.getMandateReferenceValue(); + X509Certificate cert = session.getSignerCertificate(); + MISSessionId misSessionID = MISSimpleClient.sendSessionIdRequest(connectionParameters.getUrl(), idl, cert.getEncoded(), oaFriendlyName, redirectURL, mandateReferenceValue, profilesArray, sslFactory); + String redirectMISGUI = misSessionID.getRedirectURL(); + + if (misSessionID == null) { + Logger.error("Fehler bei Anfrage an Vollmachten Service. MIS Session ID ist null."); + throw new MISSimpleClientException("Fehler bei Anfrage an Vollmachten Service."); + } + + session.setMISSessionID(misSessionID.getSessiondId()); + + resp.setStatus(302); + resp.addHeader("Location", redirectMISGUI); + Logger.debug("REDIRECT TO: " + redirectURL); + } + else { + + if (!samlArtifactBase64.equals("Redirect to Input Processor")) { + redirectURL = session.getOAURLRequested(); + if (!session.getBusinessService()) { + redirectURL = addURLParameter(redirectURL, PARAM_TARGET, URLEncoder.encode(session.getTarget(), "UTF-8")); + + } + redirectURL = addURLParameter(redirectURL, PARAM_SAMLARTIFACT, URLEncoder.encode(samlArtifactBase64, "UTF-8")); + redirectURL = resp.encodeRedirectURL(redirectURL); + } else { + redirectURL = new DataURLBuilder().buildDataURL(session.getAuthURL(), AuthenticationServer.REQ_PROCESS_VALIDATOR_INPUT, session.getSessionID()); + } + + resp.setContentType("text/html"); + resp.setStatus(302); + + resp.addHeader("Location", redirectURL); + Logger.debug("REDIRECT TO: " + redirectURL); + + } + + } + + catch (MOAIDException ex) { + handleError(null, ex, req, resp); + } catch (GeneralSecurityException e) { + handleError(null, e, req, resp); + } catch (PKIException e) { + handleError(null, e, req, resp); + } catch (MISSimpleClientException e) { + handleError(null, e, req, resp); + } catch (TransformerException e) { + handleError(null, e, req, resp); + } + + } + + /** + * Calls the MIS Service + * @param session + * @throws IOException + */ +// private void callMISService(AuthenticationSession session, HttpServletRequest req, HttpServletResponse resp) throws IOException { +// +// try { +// AuthConfigurationProvider authConf= AuthConfigurationProvider.getInstance(); +// ConnectionParameter connectionParameters = authConf.getOnlineMandatesConnectionParameter(); +// SSLSocketFactory sslFactory = SSLUtils.getSSLSocketFactory(AuthConfigurationProvider.getInstance(), connectionParameters); +// +// // get identitity link as byte[] +// Element elem = session.getIdentityLink().getSamlAssertion(); +// String s = DOMUtils.serializeNode(elem); +// +// System.out.println("IDL: " + s); +// +// byte[] idl = s.getBytes(); +// +// // redirect url +// // build redirect(to the GetMISSessionIdSerlvet) +// String redirectURL = +// new DataURLBuilder().buildDataURL( +// session.getAuthURL(), +// GET_MIS_SESSIONID, +// session.getSessionID()); +// +// String oaURL = session.getOAURLRequested(); +// OAAuthParameter oaParam = authConf.getOnlineApplicationParameter(oaURL); +// String profiles = oaParam.getMandateProfiles(); +// +// if (profiles == null) { +// Logger.error("No Mandate/Profile for OA configured."); +// throw new AuthenticationException("auth.16", new Object[] { GET_MIS_SESSIONID}); +// } +// +// String profilesArray[] = profiles.split(","); +// for(int i = 0; i < profilesArray.length; i++) { +// profilesArray[i] = profilesArray[i].trim(); +// } +// +// String oaFriendlyName = oaParam.getFriendlyName(); +// String mandateReferenceValue = session.getMandateReferenceValue(); +// X509Certificate cert = session.getSignerCertificate(); +// MISSessionId misSessionID = MISSimpleClient.sendSessionIdRequest(connectionParameters.getUrl(), idl, cert.getEncoded(), oaFriendlyName, redirectURL, mandateReferenceValue, profilesArray, sslFactory); +// String redirectMISGUI = misSessionID.getRedirectURL(); +// +// if (misSessionID == null) { +// Logger.error("Fehler bei Anfrage an Vollmachten Service. MIS Session ID ist null."); +// throw new MISSimpleClientException("Fehler bei Anfrage an Vollmachten Service."); +// } +// +// session.setMISSessionID(misSessionID.getSessiondId()); +// +// resp.setStatus(302); +// resp.addHeader("Location", redirectMISGUI); +// Logger.debug("REDIRECT TO: " + redirectURL); +// } +// catch (MOAIDException ex) { +// handleError(null, ex, req, resp); +// } catch (GeneralSecurityException ex) { +// handleError(null, ex, req, resp); +// } catch (PKIException e) { +// handleError(null, e, req, resp); +// } catch (MISSimpleClientException e) { +// handleError(null, e, req, resp); +// } catch (TransformerException e) { +// handleError(null, e, req, resp); +// } +// } + /** + * Adds a parameter to a URL. + * @param url the URL + * @param paramname parameter name + * @param paramvalue parameter value + * @return the URL with parameter added + */ + private static String addURLParameter(String url, String paramname, String paramvalue) { + String param = paramname + "=" + paramvalue; + if (url.indexOf("?") < 0) + return url + "?" + param; + else + return url + "&" + param; + } + +} |