NF OAM Adopter RAN Mock application

[oam/nf-oam-adopter.git] / ves-nf-oam-adopter / ves-nf-oam-adopter-mock / src / main / java / org / o / ran / oam / nf / oam / adopter / mock / app / config / AuthTokenFilter.java

diff --git a/ves-nf-oam-adopter/ves-nf-oam-adopter-mock/src/main/java/org/o/ran/oam/nf/oam/adopter/mock/app/config/AuthTokenFilter.java b/ves-nf-oam-adopter/ves-nf-oam-adopter-mock/src/main/java/org/o/ran/oam/nf/oam/adopter/mock/app/config/AuthTokenFilter.java
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+/*
+ *  ============LICENSE_START=======================================================
+ *  O-RAN-SC
+ *  ================================================================================
+ *  Copyright © 2021 AT&T Intellectual Property. All rights reserved.
+ *  ================================================================================
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *  ============LICENSE_END=========================================================
+ */
+
+package org.o.ran.oam.nf.oam.adopter.mock.app.config;
+
+import java.io.IOException;
+import javax.servlet.FilterChain;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import org.o.ran.oam.nf.oam.adopter.mock.app.properties.SecurityProperties;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.util.StringUtils;
+import org.springframework.web.filter.OncePerRequestFilter;
+
+public class AuthTokenFilter extends OncePerRequestFilter {
+    private static final Logger logger = LoggerFactory.getLogger(AuthTokenFilter.class);
+
+    public static final String TOKEN = "someRandomToken";
+    private final UsernamePasswordAuthenticationToken authentication;
+
+    public AuthTokenFilter(final SecurityProperties security) {
+        this.authentication = new UsernamePasswordAuthenticationToken(security.getUsername(), security.getPassword());
+    }
+
+    @Override
+    protected void doFilterInternal(final HttpServletRequest request, final HttpServletResponse response,
+            final FilterChain filterChain) throws ServletException, IOException {
+        try {
+            final String token = extractToken(request);
+            if (token != null && token.equals(TOKEN)) {
+
+                SecurityContextHolder.getContext().setAuthentication(authentication);
+            }
+        } catch (final Exception e) {
+            logger.error("Cannot set user authentication", e);
+        }
+
+        filterChain.doFilter(request, response);
+    }
+
+    private static String extractToken(final HttpServletRequest request) {
+        final String headerAuth = request.getHeader("Authorization");
+        if (StringUtils.hasText(headerAuth) && headerAuth.startsWith("Bearer ")) {
+            return headerAuth.substring(7);
+        }
+
+        return null;
+    }
+}
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