3135: Uri Resolver enhancements: create a Genetwork Resolver
Task-Url: https://support.d4science.org/issues/3135 Fixed issue on Get Request, added query string parameters purged by "scope" git-svn-id: http://svn.research-infrastructures.eu/public/d4science/gcube/trunk/data-transfer/uri-resolver@126766 82a268e6-3cf1-43bd-a215-b396298e98cf
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@ -56,6 +56,9 @@ public class UriResolverRewriteFilter implements Filter{
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String path = request.getServletPath();
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String scope = getScope(path);
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String newURI = SERVLET_GEONETWORK + "?" + GeonetworkResolver.SCOPE + "=" + scope;
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if(queryString!=null && !queryString.isEmpty())
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newURI+="&"+queryString;
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logger.debug("forward "+newURI);
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req.getRequestDispatcher(newURI).forward(req, res);
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}else{
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@ -40,6 +40,10 @@ import org.slf4j.LoggerFactory;
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*/
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public class GeonetworkResolver extends HttpServlet{
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/**
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*
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*/
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public static final String APPLICATION_XML = "application/xml";
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/**
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*
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*/
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@ -89,17 +93,20 @@ public class GeonetworkResolver extends HttpServlet{
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return;
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}
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logger.info("SCOPE is: " + scope);
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logger.info("SCOPE: " + scope +", Query String: " + req.getQueryString());
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try {
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ServerParameters geonetworkParams = getGeonetworkCachedServerParameters(scope);
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HTTPCallsUtils httpUtils = new HTTPCallsUtils();
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boolean authorized = GNAuthentication.login(httpUtils, geonetworkParams.getUrl(), geonetworkParams.getUser(), geonetworkParams.getPassword());
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logger.trace("Authorized on "+geonetworkParams +" ? "+authorized);
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String gnGetlURL = geonetworkParams.getUrl()+"/"+CSW_SERVER+"?"+req.getQueryString();
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String newQueryString = purgeScopeFromQueryString(scope, req.getQueryString());
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logger.info("Purged query string: "+newQueryString);
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String gnGetlURL = newQueryString==null || newQueryString.isEmpty()? geonetworkParams.getUrl()+"/"+CSW_SERVER : geonetworkParams.getUrl()+"/"+CSW_SERVER+"?"+newQueryString;
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logger.info("Sending get request to URL: "+gnGetlURL);
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String response = httpUtils.get(geonetworkParams.getUrl()+CSW_SERVER+"?"+req.getQueryString());
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String response = httpUtils.get(gnGetlURL);
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logger.info("Response return Content-Type: "+httpUtils.getLastContentType());
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resp.setContentType(httpUtils.getLastContentType());
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InputStream in = IOUtils.toInputStream(response);
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OutputStream out = resp.getOutputStream();
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try{
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@ -125,11 +132,32 @@ public class GeonetworkResolver extends HttpServlet{
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}
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}
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private String getScope(String servletPath){
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String path = servletPath;
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logger.debug("Read servlet context: "+path);
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String scope = path.substring(path.lastIndexOf("/")+1, path.length());
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return scope.replaceAll("_", "/");
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/**
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* Purge scope from query string.
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*
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* @param scope the scope
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* @param queryString the query string
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* @return the string
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*/
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private static String purgeScopeFromQueryString(String scope, String queryString){
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// SCOPE is: /gcube/devsec/devVRE
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// [INFO ] 2016-04-05 15:01:42,808 org.gcube.datatransfer.resolver.gis.geonetwork.GeonetworkResolver -
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// Query String is: scope=/gcube/devsec/devVRE&version=2.0.2&request=GetCapabilities&service=CSW
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int start = queryString.indexOf(SCOPE+"=");
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if(start>=0){
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int end = queryString.indexOf("&", start);
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if(end==-1 && queryString.length()==(SCOPE+"="+scope).length()){ //SCOPE IS THE UNIQUE PARAMETER INTO QUETY STRING
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logger.debug("Scope is the unique parameter, returning empty query string");
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return "";
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}else if(end<queryString.length())
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return queryString.substring(end+1, queryString.length());
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}
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return queryString;
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}
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/* (non-Javadoc)
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@ -157,6 +185,8 @@ public class GeonetworkResolver extends HttpServlet{
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String gnCSWlURL = geonetworkParams.getUrl()+"/"+CSW_SERVER;
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logger.info("Sending CSW request to URL: "+gnCSWlURL);
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String response = httpUtils.post(gnCSWlURL, req.getInputStream(), req.getContentType());
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logger.info("Response return Content-Type: "+httpUtils.getLastContentType());
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resp.setContentType(httpUtils.getLastContentType());
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InputStream in = IOUtils.toInputStream(response);
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OutputStream out = resp.getOutputStream();
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try{
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@ -283,57 +313,12 @@ public class GeonetworkResolver extends HttpServlet{
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}
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/**
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* Gets the request url.
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* The main method.
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*
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* @param req the req
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* @return the request url
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* @param args the arguments
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*/
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public static String getRequestURL(HttpServletRequest req) {
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String scheme = req.getScheme(); // http
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String serverName = req.getServerName(); // hostname.com
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int serverPort = req.getServerPort(); // 80
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String contextPath = req.getContextPath(); // /mywebapp
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// String servletPath = req.getServletPath(); // /servlet/MyServlet
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// String pathInfo = req.getPathInfo(); // /a/b;c=123
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// String queryString = req.getQueryString(); // d=789
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// Reconstruct original requesting URL
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StringBuffer url = new StringBuffer();
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url.append(scheme).append("://").append(serverName);
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if (serverPort != 80 && serverPort != 443) {
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url.append(":").append(serverPort);
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}
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logger.trace("server: "+url);
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logger.trace("omitted contextPath: "+contextPath);
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return url.toString();
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}
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/*
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public static void main(String[] args) {
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GisResolver gisResolver = new GisResolver();
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String scope = "/gcube/devsec/devVRE";
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String UUID = "177e1c3c-4a22-4ad9-b015-bfc443d16cb8";
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try {
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ServerParameters geonetworkParams = gisResolver.getCachedServerParameters(scope);
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String wmsRequest = gisResolver.getLayerWmsRequest(scope, UUID, geonetworkParams);
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logger.info("Final url is: " + wmsRequest);
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wmsRequest = URLEncoder.encode(wmsRequest, UTF_8);
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logger.info("Encoded WMS request is: " + wmsRequest);
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String gisPortletUrl = gisResolver.getGisViewerApplicationURL(scope);
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logger.info("Gis Viewer Application url is: " + gisPortletUrl);
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// logger.info("WmsRequest is: " + wmsRequest);
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// wmsRequest = encodeURLWithParamDelimiter(wmsRequest);
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// logger.info("Encoded url is: " + wmsRequest);
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// wmsRequest = appendParamReplacement(wmsRequest);
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gisPortletUrl+="?wmsrequest="+wmsRequest;
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System.out.println(gisPortletUrl);
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// urlRedirect(req, resp, gisPortletUrl);
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} catch (Exception e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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}*/
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System.out.println(purgeScopeFromQueryString("/gcube/devsec/devVRE", "scope=/gcube/devsec/devVRE&version=2.0.2&request=GetCapabilities&service=CSW"));
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}
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}
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@ -15,7 +15,9 @@ import java.net.MalformedURLException;
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import java.net.URL;
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import org.apache.commons.httpclient.Credentials;
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import org.apache.commons.httpclient.Header;
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import org.apache.commons.httpclient.HttpClient;
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import org.apache.commons.httpclient.HttpMethod;
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import org.apache.commons.httpclient.HttpStatus;
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import org.apache.commons.httpclient.UsernamePasswordCredentials;
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import org.apache.commons.httpclient.auth.AuthScope;
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@ -60,6 +62,7 @@ public class HTTPCallsUtils {
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private int lastHttpStatus;
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private boolean ignoreResponseContentOnSuccess = false;
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private String lastContentType;
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/**
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* Instantiates a new HTTP utils.
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@ -132,6 +135,7 @@ public class HTTPCallsUtils {
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client.getHttpConnectionManager().getParams().setConnectionTimeout(5000);
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lastHttpStatus = client.executeMethod(httpMethod);
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if(lastHttpStatus == HttpStatus.SC_OK) {
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setContentType(httpMethod);
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InputStream is = httpMethod.getResponseBodyAsStream();
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String response = IOUtils.toString(is);
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if(response.trim().length()==0) { // sometime gs rest fails
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@ -156,42 +160,26 @@ public class HTTPCallsUtils {
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}
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/**
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* Performs an HTTP GET on the given URL and return reponse body.
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* Show content type.
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*
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* @param url The URL where to connect to.
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* @return The HTTP response as a String if the HTTP response code was 200 (OK).
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* @throws MalformedURLException the malformed url exception
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* @param entity the entity
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*/
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public InputStream getBody(String url) throws MalformedURLException {
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private void setContentType(HttpMethod method) {
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final Header contentTypeHeader=method.getResponseHeader("Content-Type");
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lastContentType =contentTypeHeader == null ? null : contentTypeHeader.getValue();
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}
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GetMethod httpMethod = null;
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try {
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setAuth(client, url, username, pw);
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httpMethod = new GetMethod(url);
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client.getHttpConnectionManager().getParams().setConnectionTimeout(5000);
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lastHttpStatus = client.executeMethod(httpMethod);
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if(lastHttpStatus == HttpStatus.SC_OK) {
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return httpMethod.getResponseBodyAsStream();
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} else {
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logger.info("("+lastHttpStatus+") " + HttpStatus.getStatusText(lastHttpStatus) + " -- " + url );
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}
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} catch (ConnectException e) {
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logger.info("Couldn't connect to ["+url+"]");
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} catch (IOException e) {
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logger.info("Error talking to ["+url+"]", e);
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} finally {
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if(httpMethod != null)
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httpMethod.releaseConnection();
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}
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return null;
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/**
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* @return the lastContentType
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*/
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public String getLastContentType() {
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return lastContentType;
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}
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//==========================================================================
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//=== PUT
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//==========================================================================
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/**
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* Gets the client.
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*
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@ -381,11 +369,12 @@ public class HTTPCallsUtils {
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if(ignoreResponseContentOnSuccess)
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return "";
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String response = IOUtils.toString(httpMethod.getResponseBodyAsStream());
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setContentType(httpMethod);
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return response;
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default:
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String badresponse = IOUtils.toString(httpMethod.getResponseBodyAsStream());
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String message = getGeoNetworkErrorMessage(badresponse);
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setContentType(httpMethod);
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logger.warn("Bad response: "+lastHttpStatus
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+ " " + httpMethod.getStatusText()
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+ " -- " + httpMethod.getName()
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@ -441,6 +430,7 @@ public class HTTPCallsUtils {
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case HttpURLConnection.HTTP_ACCEPTED:
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if(logger.isDebugEnabled())
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logger.debug("HTTP "+ httpMethod.getStatusText() + " <-- " + url);
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setContentType(httpMethod);
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return httpMethod.getResponseBodyAsStream();
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default:
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logger.warn("Bad response: "+lastHttpStatus
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@ -448,6 +438,7 @@ public class HTTPCallsUtils {
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+ " -- " + httpMethod.getName()
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+ " " +url
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);
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setContentType(httpMethod);
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return httpMethod.getResponseBodyAsStream();
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}
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} catch (ConnectException e) {
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@ -491,8 +482,10 @@ public class HTTPCallsUtils {
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logger.debug("ResponseBody is empty (this may be not an error since we just performed a DELETE call)");
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}
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}
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setContentType(httpMethod);
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return true;
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} else {
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setContentType(httpMethod);
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logger.info("("+lastHttpStatus+") " + httpMethod.getStatusText() + " -- " + url );
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logger.info("Response: '"+response+"'" );
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}
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