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255 lines
10 KiB
Java
255 lines
10 KiB
Java
package org.gcube.portal.threadlocalexec;
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import static org.gcube.common.authorization.client.Constants.authorizationService;
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import java.io.IOException;
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import java.io.UnsupportedEncodingException;
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import java.net.URLEncoder;
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import java.util.ArrayList;
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import java.util.List;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpSession;
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import org.apache.catalina.connector.Request;
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import org.apache.catalina.connector.Response;
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import org.apache.catalina.valves.ValveBase;
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import org.gcube.common.authorization.client.exceptions.ObjectNotFound;
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import org.gcube.common.authorization.library.provider.AuthorizationProvider;
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import org.gcube.common.authorization.library.provider.SecurityTokenProvider;
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import org.gcube.common.authorization.library.provider.UmaJWTProvider;
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import org.gcube.common.authorization.library.provider.UserInfo;
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import org.gcube.common.portal.PortalContext;
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import org.gcube.common.scope.api.ScopeProvider;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.liferay.portal.model.User;
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import com.liferay.portal.service.UserLocalServiceUtil;
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import com.nubisware.oidc.lr62.JWTTokenUtil;
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import com.nubisware.oidc.lr62.LiferayOpenIdConnectConfiguration;
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import com.nubisware.oidc.lr62.OIDCTokenProxy;
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import com.nubisware.oidc.rest.JWTToken;
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import com.nubisware.oidc.rest.OpenIdConnectConfiguration;
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import com.nubisware.oidc.rest.OpenIdConnectRESTHelper;
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/**
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*
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* @author Massimiliano Assante, CNR ISTI
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* @author Lucio Lelii, CNR ISTI
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* @author Mauro Mugnaini, Nubisware S.r.l.
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*
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*/
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public class SmartGearsPortalValve extends ValveBase {
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private static final Logger _log = LoggerFactory.getLogger(SmartGearsPortalValve.class);
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private final static String DEFAULT_ROLE = "OrganizationMember";
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private final static String LIFERAY_POLLER_CONTEXT = "poller/receive";
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@Override
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public void invoke(Request req, Response resp) throws IOException, ServletException {
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SecurityTokenProvider.instance.reset();
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ScopeProvider.instance.reset();
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AuthorizationProvider.instance.reset();
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UmaJWTProvider.instance.reset();
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//_log.trace("SmartGearsPortalValve SecurityTokenProvider and AuthorizationProvider reset OK");
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if (req instanceof HttpServletRequest) {
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HttpServletRequest request = (HttpServletRequest) req;
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if (!req.getRequestURL().toString().endsWith(LIFERAY_POLLER_CONTEXT)) { //avoid calling gCube auth service for liferay internal poller
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PortalContext context = PortalContext.getConfiguration();
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String scope = context.getCurrentScope(request);
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String username = getCurrentUsername(request);
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if (scope != null && username != null && validateContext(scope)) {
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String userToken = null;
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try {
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ScopeProvider.instance.set(scope);
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userToken = authorizationService().resolveTokenByUserAndContext(username, scope);
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SecurityTokenProvider.instance.set(userToken);
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} catch (ObjectNotFound ex) {
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userToken = generateAuthorizationToken(username, scope);
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SecurityTokenProvider.instance.set(userToken);
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_log.debug("generateAuthorizationToken OK for " + username + " in scope " + scope);
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} catch (Exception e) {
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_log.error("Something went wrong in generating token for " + username + " in scope " + scope);
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e.printStackTrace();
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}
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checkUMATicket(request, scope);
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//_log.trace("Security token set OK for " + username + " in scope " + scope);
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}
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}
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}
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getNext().invoke(req, resp);
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}
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private void checkUMATicket(HttpServletRequest request, String scope) {
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HttpSession session = request.getSession(false);
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if (session == null) {
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if (_log.isDebugEnabled()) {
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_log.debug("Session is null");
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}
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return;
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}
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if (_log.isTraceEnabled()) {
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_log.trace("Session details: id=" + session.getId() + ", instance=" + session);
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}
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String urlEncodedScope = null;
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try {
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urlEncodedScope = URLEncoder.encode(scope, "UTF-8");
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} catch (UnsupportedEncodingException e) {
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_log.error("Cannot URL encode scope", e);
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return;
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}
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if (_log.isDebugEnabled()) {
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_log.debug("URL encoded scope is: " + urlEncodedScope);
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_log.debug("Getting UMA token from session");
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}
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JWTToken umaToken = JWTTokenUtil.getUMAFromSession(session);
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if (umaToken == null) {
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if (_log.isDebugEnabled()) {
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_log.debug("UMA token not found in session");
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}
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if (_log.isDebugEnabled()) {
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_log.debug("Getting current user");
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}
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User user = getCurrentUser(request);
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if (user == null) {
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_log.error("Current user not found, cannot continue");
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return;
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}
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if (_log.isDebugEnabled()) {
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_log.debug("Trying to get UMA token from cache proxy");
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}
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umaToken = OIDCTokenProxy.getInstance().getUMAToken(user, session);
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if (umaToken == null || !umaToken.getAud().contains(urlEncodedScope)) {
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if (umaToken == null) {
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if (_log.isDebugEnabled()) {
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_log.debug("UMA token is null. Getting new one...");
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}
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} else {
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_log.info("UMA token for another scope (" + umaToken.getAud() + "). Getting new one for scope: "
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+ urlEncodedScope);
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}
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if (_log.isDebugEnabled()) {
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_log.debug("Getting OIDC token from session");
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}
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JWTToken authToken = JWTTokenUtil.getOIDCFromSession(session);
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if (authToken == null) {
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if (_log.isDebugEnabled()) {
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_log.debug("OIDC token not found in session. Trying to get it from cache proxy");
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}
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authToken = getOIDCTokeFromProxyAndSetInSession(user, request, session);
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if (authToken == null) {
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_log.error("OIDC token is null, cannot continue");
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return;
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} else {
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if (_log.isDebugEnabled()) {
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_log.debug("OIDC token found in cache proxy");
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}
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}
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}
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_log.info("Getting UMA token from OIDC endpoint for scope: " + urlEncodedScope);
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OpenIdConnectConfiguration configuration = LiferayOpenIdConnectConfiguration.getConfiguration(request);
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try {
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// TODO: handle the token expired case and renew it with refresh token.
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umaToken = OpenIdConnectRESTHelper.queryUMAToken(configuration.getTokenUrl(),
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authToken.getAsBearer(),
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urlEncodedScope, null);
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} catch (Exception e) {
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_log.error("Getting UMA token from server", e);
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return;
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}
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if (_log.isDebugEnabled()) {
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_log.debug("Setting UMA token in cache proxy");
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}
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OIDCTokenProxy.getInstance().setRPTToken(user, session, umaToken);
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if (_log.isDebugEnabled()) {
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_log.debug("Setting UMA token in session");
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}
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JWTTokenUtil.putUMAInSession(umaToken, session);
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}
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}
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if (_log.isDebugEnabled()) {
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_log.debug("Setting UMA token in UMA JWT provider");
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}
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UmaJWTProvider.instance.set(umaToken.getRaw());
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}
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private JWTToken getOIDCTokeFromProxyAndSetInSession(User user, HttpServletRequest request, HttpSession session) {
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JWTToken token = OIDCTokenProxy.getInstance().getOIDCToken(user, session);
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if (token == null) {
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_log.warn("OIDC token is null also in cache proxy!");
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} else {
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if (_log.isDebugEnabled()) {
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_log.debug("Setting OIDC token took from cache proxy in session");
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}
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JWTTokenUtil.putOIDCInSession(token, session);
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}
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return token;
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}
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/**
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*
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* @param context
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* @return true if is the context is syntactically valid
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*/
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private static boolean validateContext(String context) {
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String separator = "/";
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if (!context.matches("\\S+"))
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return false;
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String[] components = context.split(separator);
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if (components.length < 2 || components.length > 4)
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return false;
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return true;
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}
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/**
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*
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* @param username
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* @param scope
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* @throws Exception
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*/
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private static String generateAuthorizationToken(String username, String scope) {
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List<String> userRoles = new ArrayList<>();
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userRoles.add(DEFAULT_ROLE);
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String token;
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try {
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token = authorizationService().generateUserToken(new UserInfo(username, userRoles), scope);
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} catch (Exception e) {
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e.printStackTrace();
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return null;
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}
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return token;
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}
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/**
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*
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* @param httpServletRequest the httpServletRequest object
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* @return the instance of the user
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* @see GCubeUser
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*/
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public static String getCurrentUsername(HttpServletRequest httpServletRequest) {
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User user = getCurrentUser(httpServletRequest);
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return user != null ? user.getScreenName() : null;
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}
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public static User getCurrentUser(HttpServletRequest httpServletRequest) {
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String userIdNo = httpServletRequest.getHeader(PortalContext.USER_ID_ATTR_NAME);
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if (userIdNo != null && userIdNo.compareTo("undefined") != 0) {
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long userId = -1;
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try {
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userId = Long.parseLong(userIdNo);
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return UserLocalServiceUtil.getUser(userId);
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} catch (NumberFormatException e) {
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_log.error("The userId is not a number -> " + userIdNo);
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return null;
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} catch (Exception e) {
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_log.error("The userId does not belong to any user -> " + userIdNo);
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return null;
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}
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}
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return null;
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}
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}
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