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Diffstat (limited to 'id/server/doc/moa_id/examples/LoginServletExample.txt')
-rw-r--r-- | id/server/doc/moa_id/examples/LoginServletExample.txt | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/id/server/doc/moa_id/examples/LoginServletExample.txt b/id/server/doc/moa_id/examples/LoginServletExample.txt deleted file mode 100644 index 587ef5e97..000000000 --- a/id/server/doc/moa_id/examples/LoginServletExample.txt +++ /dev/null @@ -1,171 +0,0 @@ -import java.io.IOException; -import java.util.Vector; - -import javax.servlet.ServletException; -import javax.servlet.http.HttpServlet; -import javax.servlet.http.HttpServletRequest; -import javax.servlet.http.HttpServletResponse; -import javax.servlet.http.HttpSession; -import javax.xml.namespace.QName; -import javax.xml.parsers.DocumentBuilder; -import javax.xml.parsers.DocumentBuilderFactory; -import javax.xml.rpc.Call; -import javax.xml.rpc.Service; -import javax.xml.rpc.ServiceFactory; - -import org.apache.axis.message.SOAPBodyElement; -import org.apache.xml.serialize.LineSeparator; -import org.apache.xml.serialize.OutputFormat; -import org.apache.xml.serialize.XMLSerializer; -import org.jaxen.JaxenException; -import org.jaxen.SimpleNamespaceContext; -import org.jaxen.dom.DOMXPath; -import org.w3c.dom.Attr; -import org.w3c.dom.Document; -import org.w3c.dom.Element; -import org.w3c.dom.Node; -import org.w3c.dom.NodeList; - -/** - * Beispiel für ein Login-Servlet, das von MOA-ID-AUTH über einen Redirect aufgerufen wird. - * Es werden demonstriert: - * - Parameterübergabe von MOA-ID-AUTH - * - Aufruf des MOA-ID-AUTH Web Service zum Abholen der Anmeldedaten über das Apache Axis Framework - * - Parsen der Anmeldedaten mittels der XPath Engine "Jaxen" - * - Speichern der Anmeldedaten in der HTTPSession - * - Redirect auf die eigentliche Startseite der OA - * - * @author Paul Ivancsics - */ -public class LoginServletExample extends HttpServlet { - - // Web Service QName und Endpoint - private static final QName SERVICE_QNAME = new QName("GetAuthenticationData"); - private static final String ENDPOINT = - "http://localhost:8080/moa-id-auth/services/GetAuthenticationData"; - // NamespaceContext für Jaxen - private static SimpleNamespaceContext NS_CONTEXT; - static { - NS_CONTEXT = new SimpleNamespaceContext(); - NS_CONTEXT.addNamespace("saml", "urn:oasis:names:tc:SAML:1.0:assertion"); - NS_CONTEXT.addNamespace("samlp", "urn:oasis:names:tc:SAML:1.0:protocol"); - NS_CONTEXT.addNamespace("pr", "http://reference.e-government.gv.at/namespace/persondata/20020228#"); - } - - /** - * Servlet wird von MOA-ID-AUTH nach erfolgter Authentisierung über ein Redirect aufgerufen. - */ - protected void doGet(HttpServletRequest req, HttpServletResponse resp) - throws ServletException, IOException { - - // Parameter "Target" und "SAMLArtifact" aus dem Redirect von MOA-ID-AUTH lesen - String target = req.getParameter("Target"); - String samlArtifact = req.getParameter("SAMLArtifact"); - - try { - // DOMBuilder instanzieren - DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); - factory.setNamespaceAware(true); - DocumentBuilder builder = factory.newDocumentBuilder(); - - // <samlp:Request> zusammenstellen und in einen DOM-Baum umwandeln - String samlRequest = - "<?xml version=\"1.0\" encoding=\"UTF-8\"?><samlp:Request IssueInstant=\"2003-01-01T00:00:00+02:00\" MajorVersion=\"1\" MinorVersion=\"0\" RequestID=\"12345678901234567890\" xmlns:samlp=\"urn:oasis:names:tc:SAML:1.0:protocol\"><samlp:AssertionArtifact>" - + samlArtifact - + "</samlp:AssertionArtifact></samlp:Request>"; - Document root_request = builder.parse(new ByteArrayInputStream(samlRequest.getBytes())); - - // Neues SOAPBodyElement anlegen und mit dem DOM-Baum füllen - SOAPBodyElement body = new SOAPBodyElement(root_request.getDocumentElement()); - SOAPBodyElement[] params = new SOAPBodyElement[] { body }; - - // AXIS-Service für Aufruf von MOA-ID-AUTH instanzieren - Service service = ServiceFactory.newInstance().createService(SERVICE_QNAME); - - // Axis-Call erzeugen und mit Endpoint verknüpfen - Call call = service.createCall(); - call.setTargetEndpointAddress(ENDPOINT); - - // Call aufrufen und die Antwort speichern - System.out.println("Calling MOA-ID-AUTH ..."); - Vector responses = (Vector) call.invoke(params); - - // erstes BodyElement auslesen - SOAPBodyElement response = (SOAPBodyElement) responses.get(0); - - // <samlp:Response> als DOM-Baum holen - Document responseDocument = response.getAsDocument(); - Element samlResponse = responseDocument.getDocumentElement(); - - // <samlp:Response> auf System.out ausgeben - System.out.println("Response received:"); - OutputFormat format = new OutputFormat((Document) responseDocument); - format.setLineSeparator(LineSeparator.Windows); - format.setIndenting(true); - format.setLineWidth(0); - XMLSerializer serializer = new XMLSerializer(System.out, format); - serializer.asDOMSerializer(); - serializer.serialize(responseDocument); - - // <samlp:StatusCode> auslesen - Attr statusCodeAttr = (Attr)getNode(samlResponse, "/samlp:Response/samlp:Status/samlp:StatusCode/@Value"); - String samlStatusCode = statusCodeAttr.getValue(); - System.out.println("StatusCode: " + samlStatusCode); - - // <saml:Assertion> auslesen - if ("samlp:Success".equals(samlStatusCode)) { - Element samlAssertion = (Element)getNode(samlResponse, "/samlp:Response/saml:Assertion"); - - // FamilyName aus der <saml:Assertion> parsen - Node familyNameNode = getNode(samlAssertion, "//saml:AttributeStatement/saml:Attribute[@AttributeName=\"PersonData\"]/saml:AttributeValue/pr:Person/pr:Name/pr:FamilyName"); - String familyName = getText(familyNameNode); - System.out.println("Family name: " + familyName); - - // weitere Anmeldedaten aus der <saml:Assertion> parsen - // ... - - // Anmeldedaten und Target in der HTTPSession speichern - HttpSession session = req.getSession(); - session.setAttribute("UserFamilyName", familyName); - session.setAttribute("Geschaeftsbereich", target); - - // weitere Anmeldedaten in der HTTPSession speichern - // ... - - // Redirect auf die eigentliche Startseite - resp.sendRedirect("/index.jsp"); - } - } - catch (Exception ex) { - ex.printStackTrace(); - } - } - /** Returns the first node matching an XPath expression. */ - private static Node getNode(Node contextNode, String xpathExpression) throws JaxenException { - DOMXPath xpath = new DOMXPath(xpathExpression); - xpath.setNamespaceContext(NS_CONTEXT); - return (Node) xpath.selectSingleNode(contextNode); - } - /** Returns the text that a node contains. */ - public static String getText(Node node) { - if (!node.hasChildNodes()) { - return ""; - } - - StringBuffer result = new StringBuffer(); - NodeList list = node.getChildNodes(); - for (int i = 0; i < list.getLength(); i++) { - Node subnode = list.item(i); - if (subnode.getNodeType() == Node.TEXT_NODE) { - result.append(subnode.getNodeValue()); - } else if (subnode.getNodeType() == Node.CDATA_SECTION_NODE) { - result.append(subnode.getNodeValue()); - } else if (subnode.getNodeType() == Node.ENTITY_REFERENCE_NODE) { - // Recurse into the subtree for text - // (and ignore comments) - result.append(getText(subnode)); - } - } - return result.toString(); - } -} |