135 lines
4.5 KiB
Java
135 lines
4.5 KiB
Java
/**
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*
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*/
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package org.gcube.datatransfer.resolver;
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import javax.servlet.ServletException;
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import org.apache.commons.lang.StringUtils;
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import org.gcube.datatransfer.resolver.gis.geonetwork.GeonetworkResolver;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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* The Class GeonetworkRequestDecoder.
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*
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* @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
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* Jul 27, 2016
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*
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* This class parses a request from servletpath and queryString
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*
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* The request must be: SCOPE#PARMETERS
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* SCOPE must be: separated by _
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* PARAMETERS can be:
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* {@link GeonetworkResolver#PARAMETER_FILTER_PUBLIC_IDS}
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* {@link GeonetworkResolver#PARAMETER_NO_AUTHENTICATION}
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*/
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public class GeonetworkRequestDecoder {
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public static final Logger logger = LoggerFactory.getLogger(GeonetworkRequestDecoder.class);
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private String newURI;
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private GeonetworkRequestCriteria geonetworkRequestCriteria;
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/**
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* Instantiates a new geonetwork request decoder.
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*
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* @param theServletPath the the servlet path
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* @param queryString the query string
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* @throws ServletException the servlet exception
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*/
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public GeonetworkRequestDecoder(String theServletPath, String queryString) throws ServletException{
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String path = theServletPath;
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String pathWithoutGN = path.substring(UriResolverRewriteFilter.SERVLET_GEONETWORK.length()+1, path.length());
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logger.debug("servlet path without "+UriResolverRewriteFilter.SERVLET_GEONETWORK + " is: " +pathWithoutGN);
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String[] params = pathWithoutGN.split("/");
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if(params[0]==null || params[0].isEmpty()){
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logger.error("Scope is null or empty, you must set a valid scope /geonetwork/root_vo_vre");
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throw new ServletException("Scope is null or empty, you must set a valid scope /geonetwork/root_vo_vre");
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}
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geonetworkRequestCriteria = getGeonetworkRequestCriteria(params[0]);
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logger.debug("scope value is: "+geonetworkRequestCriteria.getScope());
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newURI = UriResolverRewriteFilter.SERVLET_GEONETWORK + "?" + GeonetworkResolver.SCOPE + "=" + geonetworkRequestCriteria.getScope() +"&"+ GeonetworkResolver.PARAMETER_FILTER_PUBLIC_IDS +"="+geonetworkRequestCriteria.isValueOfFilterPublicIds() +"&"+GeonetworkResolver.PARAMETER_NO_AUTHENTICATION+"="+geonetworkRequestCriteria.isNoAuthOnGeonetwork();
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logger.debug(GeonetworkResolver.PARAMETER_FILTER_PUBLIC_IDS +" is: "+geonetworkRequestCriteria.isValueOfFilterPublicIds());
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logger.debug(GeonetworkResolver.PARAMETER_NO_AUTHENTICATION +" is: "+geonetworkRequestCriteria.isNoAuthOnGeonetwork());
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if(params.length>1){
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String remainPath = "";
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// newURI +="&remainPath=";
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for (int i = 1; i < params.length; i++) {
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String httpGetParam = params[i];
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if(httpGetParam!=null && !httpGetParam.isEmpty())
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remainPath+="/"+httpGetParam;
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}
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newURI +="&"+GeonetworkResolver.REMAIN_PATH+"="+remainPath;
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}
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if(queryString!=null && !queryString.isEmpty())
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newURI+="&"+queryString;
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}
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/**
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* Gets the geonetwork request criteria.
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* Parses a request like root_vo_vre#filterPublicIds or root_vo_vre
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*
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* @param request the request
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* @return the geonetwork request criteria
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*/
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private static GeonetworkRequestCriteria getGeonetworkRequestCriteria(String request){
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logger.debug("Read request: "+request);
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int index = request.indexOf(UriResolverRewriteFilter.REQUEST_PARAMETER_SEPARATOR);
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String scope = "";
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boolean filterPublicIds = false;
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boolean authOnGN = false;
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logger.trace("Index of "+UriResolverRewriteFilter.REQUEST_PARAMETER_SEPARATOR+ " is "+index);
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if(index!=-1){
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scope = request.substring(0,index);
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filterPublicIds = StringUtils.containsIgnoreCase(request,UriResolverRewriteFilter.PARAMETER_FILTER_PUBLIC_IDS);
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authOnGN = StringUtils.containsIgnoreCase(request,UriResolverRewriteFilter.PARAMETER_NO_AUTHENTICATION);
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}else
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scope = request;
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return new GeonetworkRequestCriteria("/"+scope.replaceAll("_", "/"), filterPublicIds, authOnGN);
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}
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/**
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* Gets the new uri.
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*
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* @return the newURI
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*/
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public String getNewURI() {
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return newURI;
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}
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/**
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* @return the geonetworkRequestCriteria
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*/
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public GeonetworkRequestCriteria getGeonetworkRequestCriteria() {
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return geonetworkRequestCriteria;
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}
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/* (non-Javadoc)
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* @see java.lang.Object#toString()
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*/
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@Override
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public String toString() {
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StringBuilder builder = new StringBuilder();
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builder.append("GeonetworkRequestDecoder [newURI=");
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builder.append(newURI);
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builder.append(", geonetworkRequestCriteria=");
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builder.append(geonetworkRequestCriteria);
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builder.append("]");
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return builder.toString();
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}
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}
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