From defceef8afef538555c13d33e344a89a828a3d97 Mon Sep 17 00:00:00 2001
From: Thomas Lenz <thomas.lenz@egiz.gv.at>
Date: Fri, 20 Dec 2013 12:35:28 +0100
Subject: inital

---
 .../gv/util/client/mis/simple/MISSimpleClient.java | 233 +++++++++++++++++++++
 1 file changed, 233 insertions(+)
 create mode 100644 src/main/java/at/gv/util/client/mis/simple/MISSimpleClient.java

(limited to 'src/main/java/at/gv/util/client/mis/simple/MISSimpleClient.java')

diff --git a/src/main/java/at/gv/util/client/mis/simple/MISSimpleClient.java b/src/main/java/at/gv/util/client/mis/simple/MISSimpleClient.java
new file mode 100644
index 0000000..34ba951
--- /dev/null
+++ b/src/main/java/at/gv/util/client/mis/simple/MISSimpleClient.java
@@ -0,0 +1,233 @@
+package at.gv.util.client.mis.simple;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.transform.TransformerException;
+
+import org.apache.commons.codec.binary.Base64;
+import org.apache.commons.httpclient.HttpClient;
+import org.apache.commons.httpclient.methods.PostMethod;
+import org.apache.commons.httpclient.methods.StringRequestEntity;
+import org.apache.xpath.XPathAPI;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.w3c.dom.DOMException;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+import org.xml.sax.SAXException;
+
+import at.gv.util.DOMUtils;
+
+public class MISSimpleClient {
+
+	private final static String SOAP_NS = "http://schemas.xmlsoap.org/soap/envelope/";
+	private final static String MIS_NS = "http://reference.e-government.gv.at/namespace/mandates/mis/1.0/xsd";
+	
+	private static Element NS_NODE = null;
+	
+	private static Logger log = LoggerFactory.getLogger(MISSimpleClient.class);
+	
+	static {
+		try {
+			NS_NODE = DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument().createElement("test");
+			NS_NODE.setAttribute("xmlns:soap", SOAP_NS);
+			NS_NODE.setAttribute("xmlns:mis", MIS_NS);
+    } catch (Exception e) {
+	    log.warn("Error initializing namespace node.", e);
+    }
+	}
+	
+	public static List sendGetMandatesRequest(String webServiceURL, String sessionId) throws MISSimpleClientException {
+		if (webServiceURL == null) {
+			throw new NullPointerException("Argument webServiceURL must not be null.");
+		}
+		if (sessionId == null) {
+			throw new NullPointerException("Argument sessionId must not be null.");
+		}
+		try {
+	    Document doc = DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument();
+	    Element mirElement = doc.createElementNS(MIS_NS, "MandateIssueRequest");
+	    Element sessionIdElement = doc.createElementNS(MIS_NS, "SessionID");
+	    sessionIdElement.appendChild(doc.createTextNode(sessionId));
+	    mirElement.appendChild(sessionIdElement);
+	    // send soap request
+	    Element mandateIssueResponseElement = sendSOAPRequest(webServiceURL, mirElement);
+
+	    // check for error
+	    checkForError(mandateIssueResponseElement);
+	    
+	    // check for session id
+	    NodeList mandateElements  = XPathAPI.selectNodeList(mandateIssueResponseElement, "//mis:MandateIssueResponse/mis:Mandates/mis:Mandate", NS_NODE);
+	    
+	    if (mandateElements == null || mandateElements.getLength() == 0) {
+	    	throw new MISSimpleClientException("No mandates found in response.");
+	    }
+	    
+	    ArrayList foundMandates = new ArrayList();
+	    for (int i=0; i<mandateElements.getLength(); i++) {
+	    	Element mandate = (Element) mandateElements.item(i);
+	    	MISMandate misMandate = new MISMandate();
+				if ("true".equalsIgnoreCase(mandate.getAttribute("ProfessionalRepresentative"))) {
+					misMandate.setProfRep(true);
+				}
+				misMandate.setMandate(Base64.decodeBase64(DOMUtils.getText(mandate)));
+				foundMandates.add(misMandate);
+	    }
+	    return foundMandates;
+    } catch (ParserConfigurationException e) {
+	    throw new MISSimpleClientException(e);
+    } catch (DOMException e) {
+    	throw new MISSimpleClientException(e);
+    } catch (TransformerException e) {
+    	throw new MISSimpleClientException(e);
+    }
+	}
+	
+	public static MISSessionId sendSessionIdRequest(String webServiceURL, byte[] idl, byte[] cert, String redirectURL, String refValue, String mandateIdentifier[]) throws MISSimpleClientException {
+		if (webServiceURL == null) {
+			throw new NullPointerException("Argument webServiceURL must not be null.");
+		}
+		if (idl == null) {
+			throw new NullPointerException("Argument idl must not be null.");
+		}
+		if (redirectURL == null) {
+			throw new NullPointerException("Argument redirectURL must not be null.");
+		}
+		if (refValue == null) {
+			throw new NullPointerException("Argument refValue must not be null.");
+		}
+		try {
+	    Document doc = DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument();
+	    Element mirElement = doc.createElementNS(MIS_NS, "MandateIssueRequest");
+	    Element idlElement = doc.createElementNS(MIS_NS, "IdentityLink");
+	    idlElement.appendChild(doc.createTextNode(Base64.encodeBase64String(idl)));
+	    mirElement.appendChild(idlElement);
+	    if (cert != null && cert.length > 0) {
+	    	Element certElement = doc.createElementNS(MIS_NS, "X509SignatureCertificate");
+	    	certElement.appendChild(doc.createTextNode(Base64.encodeBase64String(cert)));
+	    	mirElement.appendChild(certElement);
+	    }
+	    Element redirectElement = doc.createElementNS(MIS_NS, "RedirectURL");
+	    redirectElement.appendChild(doc.createTextNode(redirectURL));
+	    mirElement.appendChild(redirectElement);
+	    Element refValElement = doc.createElementNS(MIS_NS, "ReferenceValue");
+	    refValElement.appendChild(doc.createTextNode(refValue));
+	    mirElement.appendChild(refValElement);
+	    if (mandateIdentifier != null && mandateIdentifier.length > 0) {
+	    	Element filtersElement = doc.createElementNS(MIS_NS, "Filters");
+	    	Element mandateIdentifiersElement = doc.createElementNS(MIS_NS, "MandateIdentifiers");
+	    	for (int i=0; i<mandateIdentifier.length; i++) {
+	    		Element mandateIdentifierElement = doc.createElementNS(MIS_NS, "MandateIdentifier");
+	    		mandateIdentifierElement.appendChild(doc.createTextNode(mandateIdentifier[i]));
+	    		mandateIdentifiersElement.appendChild(mandateIdentifierElement);
+	    	}
+	    	filtersElement.appendChild(mandateIdentifiersElement);
+	    	mirElement.appendChild(filtersElement);
+	    }
+	    // send soap request
+	    Element mandateIssueResponseElement = sendSOAPRequest(webServiceURL, mirElement);
+
+	    // check for error
+	    checkForError(mandateIssueResponseElement);
+	    
+	    // check for session id
+	    Node sessionIdNode = ((Node) XPathAPI.selectSingleNode(mandateIssueResponseElement, "//mis:MandateIssueResponse/mis:SessionID/text()", NS_NODE));
+	    if (sessionIdNode == null) {
+	    	throw new MISSimpleClientException("SessionId not found in response.");
+	    }
+	    String sessionId = sessionIdNode.getNodeValue();
+	    
+	    Node guiRedirectURLNode = ((Node) XPathAPI.selectSingleNode(mandateIssueResponseElement, "//mis:MandateIssueResponse/mis:GuiRedirectURL/text()", NS_NODE));
+	    if (guiRedirectURLNode == null) {
+	    	throw new MISSimpleClientException("GuiRedirectURL not found in response.");
+	    }
+	    String guiRedirectURL = guiRedirectURLNode.getNodeValue();
+	    
+	    // create return object
+	    MISSessionId msid = new MISSessionId();
+	    msid.setSessiondId(sessionId);
+	    msid.setRedirectURL(guiRedirectURL);
+	    
+	    return msid;
+    } catch (ParserConfigurationException e) {
+	    throw new MISSimpleClientException(e);
+    } catch (DOMException e) {
+    	throw new MISSimpleClientException(e);
+    } catch (TransformerException e) {
+    	throw new MISSimpleClientException(e);
+    }		
+	}
+	
+	private static void checkForError(Element mandateIssueResponseElement) throws MISSimpleClientException {
+		if (mandateIssueResponseElement == null) {
+			throw new NullPointerException("Argument mandateIssueResponseElement must not be null.");
+		}
+		try {
+	    Element errorElement = (Element) XPathAPI.selectSingleNode(mandateIssueResponseElement, "/mis:MandateIssueResponse/mis:Error", NS_NODE);
+	    if (errorElement != null) {
+	    	String code = ((Node) XPathAPI.selectSingleNode(mandateIssueResponseElement, "/mis:MandateIssueResponse/mis:Error/mis:Code/text()", NS_NODE)).getNodeValue();
+	    	String text = ((Node) XPathAPI.selectSingleNode(mandateIssueResponseElement, "/mis:MandateIssueResponse/mis:Error/mis:Text/text()", NS_NODE)).getNodeValue();
+	    	throw new MISSimpleClientException("Fehler beim Abfragen des Online-Vollmachten Services: " + code + " / " + text); 
+	    }
+    } catch (TransformerException e) {
+	    throw new MISSimpleClientException(e);
+    }
+	}
+	
+	private static Element sendSOAPRequest(String webServiceURL, Element request) throws MISSimpleClientException {
+		if (webServiceURL == null) {
+			throw new NullPointerException("Argument webServiceURL must not be null.");
+		}
+		if (request == null) {
+			throw new NullPointerException("Argument request must not be null.");
+		}
+		try {
+			HttpClient httpclient = new HttpClient();
+			PostMethod post = new PostMethod(webServiceURL);
+			StringRequestEntity re = new StringRequestEntity(DOMUtils.serializeNode(packIntoSOAP(request)),"text/xml", "UTF-8");
+			post.setRequestEntity(re);
+			int responseCode = httpclient.executeMethod(post);
+			if (responseCode != 200) {
+				throw new MISSimpleClientException("Invalid HTTP response code " + responseCode);
+			}
+			return unpackFromSOAP(DOMUtils.parseXmlNonValidating(post.getResponseBodyAsStream()));
+		} catch(IOException e) {
+			throw new MISSimpleClientException(e);
+		} catch (TransformerException e) {
+			throw new MISSimpleClientException(e);
+    } catch (ParserConfigurationException e) {
+    	throw new MISSimpleClientException(e);
+    } catch (SAXException e) {
+    	throw new MISSimpleClientException(e);
+    }
+	}
+	
+	private static Element packIntoSOAP(Element element) throws MISSimpleClientException {
+		try {
+			Document doc = DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument();
+			Element soapEnvelope = doc.createElement("Envelope");
+			soapEnvelope.setAttribute("xmlns", SOAP_NS);
+			Element soapBody = doc.createElement("Body");
+			soapEnvelope.appendChild(soapBody);
+			soapBody.appendChild(doc.importNode(element, true));
+			return soapEnvelope;
+		} catch(ParserConfigurationException e) {
+			throw new MISSimpleClientException(e);
+		}
+	}
+	
+	private static Element unpackFromSOAP(Element element) throws MISSimpleClientException {
+		try {
+			return (Element) XPathAPI.selectSingleNode(element, "/soap:Envelope/soap:Body/child::*[position()=1]", NS_NODE);
+		} catch(TransformerException e) {
+			throw new MISSimpleClientException(e);
+		}
+	}
+	
+}
\ No newline at end of file
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