add SL20 connecter-backend in a first beta version (getCertificate looks good, create signature is untested)

1 files changed, 98 insertions, 0 deletions

diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/sl20/SL20Connector.java b/pdf-as-lib/src/main/java/at/gv/egiz/sl20/SL20Connector.java
new file mode 100644
index 00000000..a82771bd
--- /dev/null
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/sl20/SL20Connector.java
@@ -0,0 +1,98 @@
+package at.gv.egiz.sl20;
+
+import java.io.IOException;
+import java.net.URISyntaxException;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.commons.codec.binary.Base64;
+import org.apache.http.HttpResponse;
+import org.apache.http.NameValuePair;
+import org.apache.http.client.entity.UrlEncodedFormEntity;
+import org.apache.http.client.methods.HttpPost;
+import org.apache.http.client.utils.URIBuilder;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.apache.http.impl.client.HttpClientBuilder;
+import org.apache.http.message.BasicNameValuePair;
+import org.jose4j.base64url.Base64Url;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.gson.JsonObject;
+
+import at.gv.egiz.pdfas.common.exceptions.PdfAsException;
+import at.gv.egiz.pdfas.lib.api.Configuration;
+import at.gv.egiz.pdfas.lib.api.sign.SignParameter;
+import at.gv.egiz.sl.schema.CreateCMSSignatureResponseType;
+import at.gv.egiz.sl.schema.InfoboxReadRequestType;
+import at.gv.egiz.sl.schema.InfoboxReadResponseType;
+import at.gv.egiz.sl.util.BaseSLConnector;
+import at.gv.egiz.sl.util.RequestPackage;
+import at.gv.egiz.sl20.exceptions.SLCommandoParserException;
+import at.gv.egiz.sl20.utils.SL20Constants;
+import at.gv.egiz.sl20.utils.SL20JSONExtractorUtils;
+
+public class SL20Connector extends BaseSLConnector {
+	private static final Logger log = LoggerFactory.getLogger(SL20Connector.class);
+	
+	private String bkuUrl;
+	
+	public SL20Connector(Configuration config) {
+		this.bkuUrl = config.getValue(CONFIG_BKU_URL);
+		
+	}
+
+	public JsonObject sendSL20Request(JsonObject sl20Req, SignParameter parameter, String vdaURL) {					
+		try {
+			log.trace("Request VDA via SL20 with: " + org.bouncycastle.util.encoders.Base64.toBase64String(sl20Req.toString().getBytes()));
+			//build http client
+			CloseableHttpClient httpClient = buildHttpClient();
+			
+			//build http POST request
+			HttpPost httpReq = new HttpPost(new URIBuilder(vdaURL).build());
+			List<NameValuePair> parameters = new ArrayList<NameValuePair>();;
+			parameters.add(new BasicNameValuePair(SL20Constants.PARAM_SL20_REQ_COMMAND_PARAM, Base64Url.encode(sl20Req.toString().getBytes())));
+			httpReq.setEntity(new UrlEncodedFormEntity(parameters ));				
+			
+			//set native client header
+			httpReq.addHeader(SL20Constants.HTTP_HEADER_SL20_CLIENT_TYPE, SL20Constants.HTTP_HEADER_VALUE_NATIVE);
+			
+			//request VDA
+			log.trace("Requesting VDA ... ");
+			HttpResponse httpResp = httpClient.execute(httpReq);			
+			log.debug("Response from VDA received ");
+			
+			return SL20JSONExtractorUtils.getSL20ContainerFromResponse(httpResp);
+						
+		} catch (URISyntaxException | IOException e) {
+			log.warn("Can NOT build SL20 http requst. Reason:" + e.getMessage(), e);
+			return null;
+			
+		} catch (SLCommandoParserException e) {
+			log.warn("Can NOT parse SL20 response from VDA: Reason: " + e.getMessage(), e);			
+			return null;
+			
+		}								
+		
+	}
+	
+	@Override
+	public InfoboxReadResponseType sendInfoboxReadRequest(InfoboxReadRequestType request, SignParameter parameter)
+			throws PdfAsException {
+		log.error("'sendInfoboxReadRequest' is NOT supported by " + SL20Connector.class.getName());
+		return null;
+	}
+
+	@Override
+	public CreateCMSSignatureResponseType sendCMSRequest(RequestPackage pack, SignParameter parameter)
+			throws PdfAsException {
+		log.error("'sendCMSReques' is NOT supported by " + SL20Connector.class.getName());
+		return null;
+	}
+	
+	private CloseableHttpClient buildHttpClient() {
+		HttpClientBuilder builder = HttpClientBuilder.create();
+		return builder.build();
+	}
+
+}