diff options
Diffstat (limited to 'src/main/java/at/gv/util/client/mis/simple/MISSimpleClient.java')
| -rw-r--r-- | src/main/java/at/gv/util/client/mis/simple/MISSimpleClient.java | 233 |
1 files changed, 233 insertions, 0 deletions
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); + } + } + +}
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