JWT Headers security module

core/pom.xml

@@ -35,6 +35,13 @@
   <name>GeoNetwork core</name>
 
   <dependencies>
+
+    <dependency>
+      <groupId>org.geoserver.community.jwt-headers</groupId>
+      <artifactId>jwt-headers-util</artifactId>
+      <version>2.25-SNAPSHOT</version>
+    </dependency>
+
     <dependency>
       <groupId>net.objecthunter</groupId>
       <artifactId>exp4j</artifactId>
@@ -304,6 +311,11 @@
       <groupId>org.geotools</groupId>
       <artifactId>gt-geojson</artifactId>
     </dependency>
+    <dependency>
+      <groupId>com.jayway.jsonpath</groupId>
+      <artifactId>json-path</artifactId>
+      <version>2.4.0</version>
+    </dependency>
     <dependency>
       <groupId>org.locationtech.jts</groupId>
       <artifactId>jts-core</artifactId>

core/src/main/java/org/fao/geonet/kernel/security/jwtheaders/JwtHeadersAuthFilter.java

@@ -0,0 +1,123 @@
+/*
+ * Copyright (C) 2024 Food and Agriculture Organization of the
+ * United Nations (FAO-UN), United Nations World Food Programme (WFP)
+ * and United Nations Environment Programme (UNEP)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ *
+ * Contact: Jeroen Ticheler - FAO - Viale delle Terme di Caracalla 2,
+ * Rome - Italy. email: [email protected]
+ */
+
+package org.fao.geonet.kernel.security.jwtheaders;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.web.filter.GenericFilterBean;
+
+import javax.servlet.FilterChain;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
+import javax.servlet.http.HttpServletRequest;
+import java.io.IOException;
+
+
+/**
+ * This handles the JWT-Headers authentication filter.  It's based on the Shibboleth filter.
+ *
+ */
+public class JwtHeadersAuthFilter extends GenericFilterBean {
+
+    @Autowired
+    public JwtHeadersUserUtil jwtHeadersUserUtil;
+
+    JwtHeadersConfiguration jwtHeadersConfiguration;
+
+
+    public JwtHeadersAuthFilter(JwtHeadersConfiguration jwtHeadersConfiguration) {
+        this.jwtHeadersConfiguration = jwtHeadersConfiguration;
+    }
+
+    @Override
+    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain)
+        throws IOException, ServletException {
+        var existingAuth = SecurityContextHolder.getContext().getAuthentication();
+        HttpServletRequest request = (HttpServletRequest) servletRequest;
+
+
+        var config = jwtHeadersConfiguration.getJwtConfiguration();
+
+        var user = JwtHeadersTrivialUser.create(config, request);
+
+        if (user == null && existingAuth != null) {
+            if (existingAuth instanceof JwtHeadersUsernamePasswordAuthenticationToken) {
+                //at this point, there isn't a JWT header, but there's an existing auth that was made by us (JWT header)
+                // in this case, we need to log-off.  They have a JSESSION auth that is no longer valid.
+                logout(request);
+                filterChain.doFilter(servletRequest, servletResponse);
+                return;
+            }
+        }
+
+
+        if (user == null) {
+            filterChain.doFilter(servletRequest, servletResponse);
+            return; // no valid user in header
+        }
+
+        //we have a valid user in the headers
+
+        //existing user is the same user as the request
+        if (existingAuth != null && existingAuth.getName().equals(user.getUsername())) {
+            filterChain.doFilter(servletRequest, servletResponse);
+            return; // abort early - no need to do an expensive login.  Use the existing one.
+        }
+
+        //existing user isnt the same user as the request
+        if (existingAuth != null && !existingAuth.getName().equals(user.getUsername())) {
+            //in this case there are two auth's - the existing one (likely from JSESSION)
+            //and one coming in from the JWT headers.  In this case, we kill the other login
+            //and make a new one.
+            logout(request);
+        }
+
+        var userDetails = jwtHeadersUserUtil.getUser(user, jwtHeadersConfiguration);
+        if (userDetails != null) {
+            UsernamePasswordAuthenticationToken auth = new JwtHeadersUsernamePasswordAuthenticationToken(
+                userDetails, null, userDetails.getAuthorities());
+            auth.setDetails(userDetails);
+            SecurityContextHolder.getContext().setAuthentication(auth);
+
+        }
+
+        filterChain.doFilter(servletRequest, servletResponse);
+    }
+
+    /**
+     * handle a logout - clear out the security context, and invalidate the session
+     * @param request
+     * @throws ServletException
+     */
+    public void logout(HttpServletRequest request) throws ServletException {
+        request.logout();//dont think this does anything in GN
+        SecurityContextHolder.getContext().setAuthentication(null);
+        request.getSession().invalidate();
+    }
+
+}
+
+

core/src/main/java/org/fao/geonet/kernel/security/jwtheaders/JwtHeadersConfiguration.java

@@ -0,0 +1,114 @@
+/*
+ * Copyright (C) 2024 Food and Agriculture Organization of the
+ * United Nations (FAO-UN), United Nations World Food Programme (WFP)
+ * and United Nations Environment Programme (UNEP)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ *
+ * Contact: Jeroen Ticheler - FAO - Viale delle Terme di Caracalla 2,
+ * Rome - Italy. email: [email protected]
+ */
+
+package org.fao.geonet.kernel.security.jwtheaders;
+
+import org.fao.geonet.kernel.security.SecurityProviderConfiguration;
+import org.geoserver.security.jwtheaders.JwtConfiguration;
+
+/**
+ * configuration for the JWT Headers security filter.
+ * See GN documentation.
+ * This is based on GeoServer's JWT-Headers Module, so you can see there as well.
+ *
+ * This class handles the GN filter configuration details, and hands the actual configuration
+ * for the filter to the JwtConfiguration class.  This class is also used in Geoserver.
+ *
+ */
+public class JwtHeadersConfiguration implements SecurityProviderConfiguration {
+
+
+    public LoginType loginType = LoginType.AUTOLOGIN;
+    /**
+     * true -> update the DB with the information from OIDC (don't allow user to edit profile in the UI)
+     * false -> don't update the DB (user must edit profile in UI).
+     */
+    public boolean updateProfile = true;
+    /**
+     * true -> update the DB (user's group) with the information from OIDC (don't allow admin to edit user's groups in the UI)
+     * false -> don't update the DB (admin must edit groups in UI).
+     */
+    public boolean updateGroup = true;
+    protected JwtConfiguration jwtConfiguration;
+
+
+    // getters/setters
+
+
+    public JwtHeadersConfiguration() {
+        jwtConfiguration = new JwtConfiguration();
+    }
+
+    public boolean isUpdateProfile() {
+        return updateProfile;
+    }
+
+    public void setUpdateProfile(boolean updateProfile) {
+        this.updateProfile = updateProfile;
+    }
+
+    public boolean isUpdateGroup() {
+        return updateGroup;
+    }
+
+
+    //---- abstract class methods
+
+    public void setUpdateGroup(boolean updateGroup) {
+        this.updateGroup = updateGroup;
+    }
+
+    @Override
+    public String getLoginType() {
+        return loginType.toString();
+    }
+
+    @Override
+    public String getSecurityProvider() {
+        return "JWT-HEADERS";
+    }
+
+    @Override
+    public boolean isUserProfileUpdateEnabled() {
+        // If updating profile from the security provider then disable the profile updates in the interface
+        return !updateProfile;
+    }
+
+    //========================================================================
+
+    @Override
+    public boolean isUserGroupUpdateEnabled() {
+        // If updating group from the security provider then disable the group updates in the interface
+        return !updateGroup;
+    }
+
+    public org.geoserver.security.jwtheaders.JwtConfiguration getJwtConfiguration() {
+        return jwtConfiguration;
+    }
+
+    public void setJwtConfiguration(
+        org.geoserver.security.jwtheaders.JwtConfiguration jwtConfiguration) {
+        this.jwtConfiguration = jwtConfiguration;
+    }
+
+}