112 lines
3.9 KiB
Java
112 lines
3.9 KiB
Java
/**
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*
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*/
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package org.gcube.datatransfer.resolver.services;
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import javax.servlet.http.HttpServletRequest;
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import javax.ws.rs.Consumes;
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import javax.ws.rs.POST;
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import javax.ws.rs.Path;
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import javax.ws.rs.Produces;
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import javax.ws.rs.WebApplicationException;
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import javax.ws.rs.core.Context;
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import javax.ws.rs.core.MediaType;
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import javax.ws.rs.core.Response;
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import org.gcube.common.authorization.library.provider.SecurityTokenProvider;
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import org.gcube.common.scope.api.ScopeProvider;
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import org.gcube.common.scope.impl.ScopeBean;
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import org.gcube.common.scope.impl.ScopeBean.Type;
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import org.gcube.datatransfer.resolver.requesthandler.RequestHandler;
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import org.gcube.datatransfer.resolver.services.error.ExceptionManager;
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import org.gcube.datatransfer.resolver.util.Util;
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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 KnimeCreateResolver is able to create a KNIME URL.
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*
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* See more at
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* https://gcube.wiki.gcube-system.org/gcube/URI_Resolver#KNIME_Resolver
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*
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* @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
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*
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* Mar 24, 2022
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*/
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@Path("knime")
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public class KnimeCreateResolver {
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private static Logger logger = LoggerFactory.getLogger(KnimeCreateResolver.class);
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private static String helpURI = "https://gcube.wiki.gcube-system.org/gcube/URI_Resolver#KNIME_Resolver";
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/**
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* Creates the KNIME URL. Generate a Knime URL (then resolved by the /get path)
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* for a KNIME Model Simulation passed by query string.
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*
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* See more at
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* https://gcube.wiki.gcube-system.org/gcube/URI_Resolver#HTTP_POST:_Create_a_KNIME_URL
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*
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* @param req the req
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* @return the response
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* @throws WebApplicationException the web application exception
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*/
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@POST
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@Path("/create")
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@Consumes(MediaType.TEXT_PLAIN)
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@Produces(MediaType.TEXT_PLAIN)
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public Response createKnimeURL(@Context HttpServletRequest req) throws WebApplicationException {
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logger.info(this.getClass().getSimpleName() + " POST starts...");
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try {
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String contextToken = SecurityTokenProvider.instance.get();
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String scope = ScopeProvider.instance.get();
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// logger.info("SecurityTokenProvider contextToken: "+contextToken);
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logger.info("ScopeProvider has scope: " + scope);
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String appToken = req.getServletContext().getInitParameter(RequestHandler.ROOT_APP_TOKEN);
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if (contextToken.compareTo(appToken) == 0) {
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logger.error("Token not passed, SecurityTokenProvider contains the root app token: "
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+ appToken.substring(0, 10) + "...");
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throw ExceptionManager.unauthorizedException(req,
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"You are not authorized. You must pass a token of VRE", this.getClass(), helpURI);
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}
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ScopeBean scopeBean = new ScopeBean(scope);
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if (scopeBean.is(Type.VRE)) {
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String vreName = scopeBean.name();
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String knimeGetResolverURL = String.format("%s/%s/%s", Util.getServerURL(req), "knime/get", vreName);
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String queryString = req.getQueryString() == null ? "" : req.getQueryString();
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if (req.getQueryString() != null)
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knimeGetResolverURL += "?" + queryString;
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logger.info("Returning Knime Resolver URL: " + knimeGetResolverURL);
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return Response.ok(knimeGetResolverURL).header("Location", knimeGetResolverURL).build();
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} else {
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logger.error("The input scope " + scope + " is not a VRE");
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throw ExceptionManager.badRequestException(req,
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"Working in the " + scope + " scope that is not a VRE. Use a token of VRE", this.getClass(),
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helpURI);
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}
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} catch (Exception e) {
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if (!(e instanceof WebApplicationException)) {
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// UNEXPECTED EXCEPTION managing it as WebApplicationException
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String error = "Sorry, an error occurred on creating Knime URL. Please, contact the support!";
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if (e.getCause() != null)
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error += "\n\nCaused: " + e.getCause().getMessage();
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throw ExceptionManager.internalErrorException(req, error, this.getClass(), helpURI);
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}
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// ALREADY MANAGED AS WebApplicationException
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logger.error("Exception:", e);
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throw (WebApplicationException) e;
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}
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}
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}
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