Add oauth for calls from VNFM adapter to VNFM

Change-Id: I0e6ba16bbeab457ec0c1985e345e26f544434667
Issue-ID: SO-2169
Signed-off-by: MichaelMorris <michael.morris@est.tech>

5 files changed, 149 insertions, 0 deletions

diff --git a/vnfm-simulator/vnfm-service/pom.xml b/vnfm-simulator/vnfm-service/pom.xml
index 7beccb6561..1e3244bae4 100644
--- a/vnfm-simulator/vnfm-service/pom.xml
+++ b/vnfm-simulator/vnfm-service/pom.xml
@@ -44,6 +44,11 @@
       <scope>runtime</scope>
     </dependency>
     <dependency>
+      <groupId>org.springframework.security.oauth</groupId>
+      <artifactId>spring-security-oauth2</artifactId>
+      <version>2.3.6.RELEASE</version>
+    </dependency>
+    <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
       <scope>test</scope>
diff --git a/vnfm-simulator/vnfm-service/src/main/java/org/onap/svnfm/simulator/oauth/AuthorizationServerConfig.java b/vnfm-simulator/vnfm-service/src/main/java/org/onap/svnfm/simulator/oauth/AuthorizationServerConfig.java
new file mode 100644
index 0000000000..5d2c310635
--- /dev/null
+++ b/vnfm-simulator/vnfm-service/src/main/java/org/onap/svnfm/simulator/oauth/AuthorizationServerConfig.java
@@ -0,0 +1,28 @@
+package org.onap.svnfm.simulator.oauth;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Profile;
+import org.springframework.security.oauth2.config.annotation.configurers.ClientDetailsServiceConfigurer;
+import org.springframework.security.oauth2.config.annotation.web.configuration.AuthorizationServerConfigurerAdapter;
+import org.springframework.security.oauth2.config.annotation.web.configuration.EnableAuthorizationServer;
+
+@Configuration
+@EnableAuthorizationServer
+@Profile("oauth-authentication")
+/**
+ * Configures the authorization server for oauth token based authentication when the spring profile
+ * "oauth-authentication" is active
+ */
+public class AuthorizationServerConfig extends AuthorizationServerConfigurerAdapter {
+
+    private static final int ONE_DAY = 60 * 60 * 24;
+
+    @Override
+    public void configure(final ClientDetailsServiceConfigurer clients) throws Exception {
+        clients.inMemory().withClient("vnfmadapter")
+                .secret("$2a$10$dHzTlqSBcm8hdO52LBvnX./zNTvUzzJy.lZrc4bCBL5gkln0wX6T6")
+                .authorizedGrantTypes("client_credentials").scopes("write").accessTokenValiditySeconds(ONE_DAY)
+                .refreshTokenValiditySeconds(ONE_DAY);
+    }
+
+}
diff --git a/vnfm-simulator/vnfm-service/src/main/java/org/onap/svnfm/simulator/oauth/JsonSerializerConfiguration.java b/vnfm-simulator/vnfm-service/src/main/java/org/onap/svnfm/simulator/oauth/JsonSerializerConfiguration.java
new file mode 100644
index 0000000000..d6eda28eb6
--- /dev/null
+++ b/vnfm-simulator/vnfm-service/src/main/java/org/onap/svnfm/simulator/oauth/JsonSerializerConfiguration.java
@@ -0,0 +1,49 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.svnfm.simulator.oauth;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import java.util.ArrayList;
+import java.util.Collection;
+import org.springframework.boot.autoconfigure.http.HttpMessageConverters;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.http.converter.HttpMessageConverter;
+import org.springframework.http.converter.json.GsonHttpMessageConverter;
+import org.springframework.security.oauth2.common.OAuth2AccessToken;
+
+/**
+ * Configures message converter
+ */
+@Configuration
+public class JsonSerializerConfiguration {
+
+    @Bean
+    public HttpMessageConverters customConverters() {
+        final Collection<HttpMessageConverter<?>> messageConverters = new ArrayList<>();
+
+        final Gson gson = new GsonBuilder()
+                .registerTypeHierarchyAdapter(OAuth2AccessToken.class, new OAuth2AccessTokenAdapter()).create();
+        final GsonHttpMessageConverter gsonHttpMessageConverter = new GsonHttpMessageConverter(gson);
+        messageConverters.add(gsonHttpMessageConverter);
+        return new HttpMessageConverters(true, messageConverters);
+    }
+}
diff --git a/vnfm-simulator/vnfm-service/src/main/java/org/onap/svnfm/simulator/oauth/OAuth2AccessTokenAdapter.java b/vnfm-simulator/vnfm-service/src/main/java/org/onap/svnfm/simulator/oauth/OAuth2AccessTokenAdapter.java
new file mode 100644
index 0000000000..7bccffa2e0
--- /dev/null
+++ b/vnfm-simulator/vnfm-service/src/main/java/org/onap/svnfm/simulator/oauth/OAuth2AccessTokenAdapter.java
@@ -0,0 +1,31 @@
+package org.onap.svnfm.simulator.oauth;
+
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonSerializationContext;
+import com.google.gson.JsonSerializer;
+import java.lang.reflect.Type;
+import org.springframework.security.oauth2.common.OAuth2AccessToken;
+
+public class OAuth2AccessTokenAdapter implements JsonSerializer<OAuth2AccessToken> {
+
+    @Override
+    public JsonElement serialize(final OAuth2AccessToken src, final Type typeOfSrc,
+            final JsonSerializationContext context) {
+        final JsonObject obj = new JsonObject();
+        obj.addProperty(OAuth2AccessToken.ACCESS_TOKEN, src.getValue());
+        obj.addProperty(OAuth2AccessToken.TOKEN_TYPE, src.getTokenType());
+        if (src.getRefreshToken() != null) {
+            obj.addProperty(OAuth2AccessToken.REFRESH_TOKEN, src.getRefreshToken().getValue());
+        }
+        obj.addProperty(OAuth2AccessToken.EXPIRES_IN, src.getExpiresIn());
+        final JsonArray scopeObj = new JsonArray();
+        for (final String scope : src.getScope()) {
+            scopeObj.add(scope);
+        }
+        obj.add(OAuth2AccessToken.SCOPE, scopeObj);
+
+        return obj;
+    }
+}
diff --git a/vnfm-simulator/vnfm-service/src/main/java/org/onap/svnfm/simulator/oauth/OAuth2ResourceServer.java b/vnfm-simulator/vnfm-service/src/main/java/org/onap/svnfm/simulator/oauth/OAuth2ResourceServer.java
new file mode 100644
index 0000000000..18fb1a9461
--- /dev/null
+++ b/vnfm-simulator/vnfm-service/src/main/java/org/onap/svnfm/simulator/oauth/OAuth2ResourceServer.java
@@ -0,0 +1,36 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.svnfm.simulator.oauth;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Profile;
+import org.springframework.security.oauth2.config.annotation.web.configuration.EnableResourceServer;
+import org.springframework.security.oauth2.config.annotation.web.configuration.ResourceServerConfigurerAdapter;
+
+@Configuration
+@EnableResourceServer
+@Profile("oauth-authentication")
+/**
+ * Enforces oauth token based authentication when the spring profile "oauth-authentication" is active
+ */
+public class OAuth2ResourceServer extends ResourceServerConfigurerAdapter {
+
+}