Add forward proxy code

Add a maven module called sidecar to cadi.
Add forward proxy as a maven module to sidecar.
Note that though sidecar is a module of cadi it does not inherit from cadi's pom.

Change-Id: I617ecb1a66a3cbdd3f03287f28c6527693c6dfc6
Issue-ID: AAI-1603
Signed-off-by: Ravi Geda <gravik@amdocs.com>

2 files changed, 257 insertions, 0 deletions

diff --git a/sidecar/fproxy/src/test/java/org/onap/aaf/fproxy/FProxyIT.java b/sidecar/fproxy/src/test/java/org/onap/aaf/fproxy/FProxyIT.java
new file mode 100644
index 0000000..ba876e0
--- /dev/null
+++ b/sidecar/fproxy/src/test/java/org/onap/aaf/fproxy/FProxyIT.java
@@ -0,0 +1,49 @@
+/**
+ * ============LICENSE_START=======================================================
+ * org.onap.aaf
+ * ================================================================================
+ * Copyright © 2018 European Software Marketing Ltd.
+ * ================================================================================
+ * 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.onap.aaf.fproxy;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import org.eclipse.jetty.util.security.Password;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.onap.aaf.fproxy.service.ForwardingProxyService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT)
+public class FProxyIT {
+
+    static {
+        System.setProperty("server.ssl.key-store-password",
+                Password.deobfuscate("OBF:1y0q1uvc1uum1uvg1pil1pjl1uuq1uvk1uuu1y10"));
+    }
+
+    @Autowired
+    private ForwardingProxyService fProxyService;
+
+    @Test
+    public void contexLoads() throws Exception {
+        assertThat(fProxyService).isNotNull();
+    }
+}
diff --git a/sidecar/fproxy/src/test/java/org/onap/aaf/fproxy/FProxyServiceTest.java b/sidecar/fproxy/src/test/java/org/onap/aaf/fproxy/FProxyServiceTest.java
new file mode 100644
index 0000000..ccf13e9
--- /dev/null
+++ b/sidecar/fproxy/src/test/java/org/onap/aaf/fproxy/FProxyServiceTest.java
@@ -0,0 +1,208 @@
+/**
+ * ============LICENSE_START=======================================================
+ * org.onap.aaf
+ * ================================================================================
+ * Copyright © 2018 European Software Marketing Ltd.
+ * ================================================================================
+ * 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.onap.aaf.fproxy;
+
+import static org.hamcrest.Matchers.equalTo;
+import static org.springframework.test.web.client.match.MockRestRequestMatchers.header;
+import static org.springframework.test.web.client.match.MockRestRequestMatchers.method;
+import static org.springframework.test.web.client.match.MockRestRequestMatchers.requestTo;
+import static org.springframework.test.web.client.response.MockRestResponseCreators.withSuccess;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+import javax.servlet.http.Cookie;
+import org.eclipse.jetty.util.security.Password;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.onap.aaf.fproxy.data.CredentialCacheData.CredentialType;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpMethod;
+import org.springframework.http.MediaType;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.test.web.client.MockRestServiceServer;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
+import org.springframework.web.client.RestTemplate;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+@AutoConfigureMockMvc
+public class FProxyServiceTest {
+
+    static {
+        System.setProperty("server.ssl.key-store-password",
+                Password.deobfuscate("OBF:1y0q1uvc1uum1uvg1pil1pjl1uuq1uvk1uuu1y10"));
+    }
+
+    @Value("${transactionid.header.name}")
+    private String transactionIdHeaderName;
+
+    @Autowired
+    private MockMvc mvc;
+
+    @Autowired
+    private RestTemplate restTemplate;
+
+    private MockRestServiceServer mockServer;
+
+    @Before
+    public void setUp() {
+        mockServer = MockRestServiceServer.createServer(restTemplate);
+    }
+
+    @Test
+    public void testRequestFrowarding() throws Exception {
+        String testUrl = "https://localhost:80/testurl";
+        String testResponse = "Response from MockRestService";
+
+        mockServer.expect(requestTo(testUrl)).andExpect(method(HttpMethod.GET))
+                .andRespond(withSuccess(testResponse, MediaType.APPLICATION_JSON));
+
+        mvc.perform(MockMvcRequestBuilders.get(testUrl).accept(MediaType.APPLICATION_JSON)).andExpect(status().isOk())
+                .andExpect(content().string(equalTo(testResponse)));
+
+        mockServer.verify();
+    }
+
+    @Test
+    public void testCredentialCacheEndpoint() throws Exception {
+        populateCredentialCache("tx1", "headername", "headervalue", CredentialType.HEADER.toString());
+    }
+
+    @Test
+    public void testPopulateHeaderFromCache() throws Exception {
+        String testTransactionId = "tx1";
+        String testUrl = "https://localhost:80/testurl";
+        String headerName = "headername";
+        String headerValue = "headervalue";
+
+        String testResponse = "Response from MockRestService";
+
+        // Populate the cache with header credentials
+        populateCredentialCache(testTransactionId, headerName, headerValue, CredentialType.HEADER.toString());
+
+        // Expect mock server to be called with request containing cached header
+        mockServer.expect(requestTo(testUrl)).andExpect(method(HttpMethod.GET))
+                .andExpect(header(headerName, headerValue))
+                .andRespond(withSuccess(testResponse, MediaType.APPLICATION_JSON));
+
+        // Send request to mock server with transaction Id
+        mvc.perform(MockMvcRequestBuilders.get(testUrl).accept(MediaType.APPLICATION_JSON)
+                .header(transactionIdHeaderName, testTransactionId)).andExpect(status().isOk())
+                .andExpect(content().string(equalTo(testResponse)));
+
+        mockServer.verify();
+    }
+
+    @Test
+    public void testHeaderAlreadyExists() throws Exception {
+        String testTransactionId = "tx1";
+        String testUrl = "https://localhost:80/testurl";
+        String headerName = "headername";
+        String headerValue = "headervalue";
+        String newHeaderValue = "newheadervalue";
+
+        String testResponse = "Response from MockRestService";
+
+        // Populate the cache with header credentials using a new value
+        populateCredentialCache(testTransactionId, headerName, newHeaderValue, CredentialType.HEADER.toString());
+
+        // Expect mock server to be called with request containing the original header credential value, not the cached
+        // new header value
+        mockServer.expect(requestTo(testUrl)).andExpect(method(HttpMethod.GET))
+                .andExpect(header(headerName, headerValue))
+                .andRespond(withSuccess(testResponse, MediaType.APPLICATION_JSON));
+
+        // Send request to mock server that already contains a header with same name as the one that has been cached
+        mvc.perform(MockMvcRequestBuilders.get(testUrl).accept(MediaType.APPLICATION_JSON)
+                .header(transactionIdHeaderName, testTransactionId).header(headerName, headerValue))
+                .andExpect(status().isOk()).andExpect(content().string(equalTo(testResponse)));
+
+        mockServer.verify();
+    }
+
+    @Test
+    public void testPopulateCookieFromCache() throws Exception {
+        String testTransactionId = "tx1";
+        String testUrl = "https://localhost:80/testurl";
+        String cookieName = "testcookie";
+        String cookieValue = "testcookie=testvalue";
+        String testResponse = "Response from MockRestService";
+
+        // Populate the cache with cookie credentials
+        populateCredentialCache(testTransactionId, cookieName, cookieValue, CredentialType.COOKIE.toString());
+
+        // Expect mock server to be called with request containing cached header
+        mockServer.expect(requestTo(testUrl)).andExpect(method(HttpMethod.GET))
+                .andExpect(header(HttpHeaders.COOKIE, cookieValue))
+                .andRespond(withSuccess(testResponse, MediaType.APPLICATION_JSON));
+
+        // Send request to mock server with transaction Id
+        mvc.perform(MockMvcRequestBuilders.get(testUrl).accept(MediaType.APPLICATION_JSON)
+                .header(transactionIdHeaderName, testTransactionId)).andExpect(status().isOk())
+                .andExpect(content().string(equalTo(testResponse)));
+
+        mockServer.verify();
+    }
+
+    @Test
+    public void testCookieAlreadyExists() throws Exception {
+        String testTransactionId = "tx1";
+        String testUrl = "https://localhost:80/testurl";
+        String cookieName = "testcookie";
+        String cookieValue = "testvalue";
+        String newCookieValue = "newtestvalue";
+
+        String testResponse = "Response from MockRestService";
+
+        // Populate the cache with cookie credentials using a new value
+        populateCredentialCache(testTransactionId, cookieName, newCookieValue, CredentialType.COOKIE.toString());
+
+        // Expect mock server to be called with request containing the original cookie credential value, not the cached
+        // new cookie value
+        mockServer.expect(requestTo(testUrl)).andExpect(method(HttpMethod.GET))
+                .andExpect(header(HttpHeaders.COOKIE, cookieName + "=" + cookieValue))
+                .andRespond(withSuccess(testResponse, MediaType.APPLICATION_JSON));
+
+        // Send request to mock server that already contains a cookie with same name as the one that has been cached
+        mvc.perform(MockMvcRequestBuilders.get(testUrl).accept(MediaType.APPLICATION_JSON)
+                .header(transactionIdHeaderName, testTransactionId).cookie(new Cookie(cookieName, cookieValue)))
+                .andExpect(status().isOk()).andExpect(content().string(equalTo(testResponse)));
+
+        mockServer.verify();
+    }
+
+    private void populateCredentialCache(String transactionId, String credentialName, String credentialValue,
+            String credentialType) throws Exception {
+        String cacheUrl = "https://localhost:80/credential-cache/" + transactionId;
+        String requestBody = "{ \"credentialName\":\"" + credentialName + "\", \"credentialValue\":\"" + credentialValue
+                + "\", \"credentialType\":\"" + credentialType + "\" }";
+
+        // Populate the cache with credentials
+        mvc.perform(MockMvcRequestBuilders.post(cacheUrl).content(requestBody).contentType(MediaType.APPLICATION_JSON)
+                .accept(MediaType.APPLICATION_JSON)).andExpect(status().isOk())
+                .andExpect(content().string(equalTo(transactionId)));
+    }
+}