122 lines
3.9 KiB
Java
122 lines
3.9 KiB
Java
/**
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*
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*/
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package org.gcube.portlets.user.td.gwtservice.server;
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import static org.gcube.data.analysis.rconnector.client.Constants.rConnector;
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import java.io.IOException;
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import java.net.URI;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import javax.servlet.http.HttpSession;
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import org.gcube.portlets.user.td.gwtservice.server.util.ServiceCredentials;
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import org.gcube.portlets.user.td.gwtservice.shared.Constants;
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import org.gcube.portlets.user.td.gwtservice.shared.exception.TDGWTServiceException;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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* Returns a RSTudio link
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*
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* @author Giancarlo Panichi
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*
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*
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*/
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public class TDRStudioServlet extends HttpServlet {
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private static final String TAB_RESOURCE_ID_PARAMETER = "TabResourceId";
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// private static final String SECURITY_EXCEPTION_RIGHTS =
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// "Security exception, you don't have the required rights!";
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private static final long serialVersionUID = -1649268678733476057L;
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private static Logger logger = LoggerFactory
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.getLogger(TDRStudioServlet.class);
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protected void doPost(HttpServletRequest req, HttpServletResponse resp)
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throws ServletException, IOException {
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handleRequest(req, resp);
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}
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protected void doGet(HttpServletRequest req, HttpServletResponse resp)
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throws ServletException, IOException {
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handleRequest(req, resp);
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}
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protected void handleRequest(HttpServletRequest request,
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HttpServletResponse response) throws ServletException, IOException {
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try {
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logger.info("TDRStudioServlet");
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long startTime = System.currentTimeMillis();
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HttpSession session = request.getSession();
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if (session == null) {
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logger.error("Error getting the session, no session valid found: "
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+ session);
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response.sendError(
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HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
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"ERROR-Error getting the user session, no session found "
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+ session);
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return;
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}
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logger.debug("TDRSTudioServlet session id: " + session.getId());
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ServiceCredentials serviceCredentials;
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String scopeGroupId = request.getHeader(Constants.CURR_GROUP_ID);
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if (scopeGroupId == null || scopeGroupId.isEmpty()) {
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scopeGroupId = request.getParameter(Constants.CURR_GROUP_ID);
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if (scopeGroupId == null || scopeGroupId.isEmpty()) {
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logger.error("CURR_GROUP_ID is null, it is a mandatory parameter in custom servlet: "
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+ scopeGroupId);
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throw new ServletException(
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"CURR_GROUP_ID is null, it is a mandatory parameter in custom servlet: "
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+ scopeGroupId);
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}
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}
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try {
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serviceCredentials = SessionUtil.getServiceCredentials(request,
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scopeGroupId);
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} catch (TDGWTServiceException e) {
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logger.error(
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"Error retrieving credentials:" + e.getLocalizedMessage(),
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e);
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throw new ServletException(e.getLocalizedMessage());
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}
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String tabResourceId = request
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.getParameter(TAB_RESOURCE_ID_PARAMETER);
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logger.debug("Request RStudio for TR: " + tabResourceId);
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URI url = rConnector().build().connect(Long.valueOf(tabResourceId));
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logger.debug("URL retrieved from rConnector: " + url.toString());
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// response.setStatus(HttpServletResponse.SC_OK);
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response.setStatus(HttpServletResponse.SC_MOVED_PERMANENTLY);
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response.setHeader("Location", url.toString());
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response.setHeader("gcube-scope", serviceCredentials.getScope());
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// response.setHeader("Set-Cookie", "PippoPlutoPaperino");
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// response.setHeader("Set-Cookie", cookieValue);
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logger.debug("Response: " + response.toString());
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logger.trace("Response in "
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+ (System.currentTimeMillis() - startTime) + "ms");
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} catch (Throwable e) {
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logger.error("Error TDRStudio: " + e.getLocalizedMessage(), e);
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response.sendError(
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HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
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"Error retrieving file from storage: "
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+ e.getLocalizedMessage());
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return;
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}
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}
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}
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