Add HttpClient

Issue-ID: AAF-996
Signed-off-by: Tomasz Wrobel <tomasz.wrobel@nokia.com>
Change-Id: I3ebb0ea88ef1a72c16064fd9a1931943b57410d8

8 files changed, 276 insertions, 0 deletions

diff --git a/certServiceClient/src/test/java/org/onap/aaf/certservice/client/CerServiceRequestTestData.java b/certServiceClient/src/test/java/org/onap/aaf/certservice/client/CerServiceRequestTestData.java
new file mode 100644
index 00000000..8f252c31
--- /dev/null
+++ b/certServiceClient/src/test/java/org/onap/aaf/certservice/client/CerServiceRequestTestData.java
@@ -0,0 +1,89 @@
+/*
+ * ============LICENSE_START=======================================================
+ * aaf-certservice-client
+ * ================================================================================
+ * Copyright (C) 2020 Nokia. 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.onap.aaf.certservice.client;
+
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+
+public final class CerServiceRequestTestData {
+
+    private static final String RESOURCE_PATH = "src/test/resources/";
+
+    // Request parameters
+    public static final String CA_NAME = "TestCA";
+    public static final String CSR = getCsrValue();
+    public static final String PK = getPkValue();
+
+    // Correct response data
+    public static final String CORRECT_RESPONSE = getCorrectResponse();
+    public static final String EXPECTED_FIRST_ELEMENT_OF_CERTIFICATE_CHAIN =
+            getExpectedFirstElementOfCertificateChain();
+    public static final String EXPECTED_FIRST_ELEMENT_OF_TRUSTED_CERTIFICATES =
+            getExpectedFirstElementOfTrustedCertificates();
+
+    // Error response data
+    public static final String MISSING_PK_RESPONSE = getMissingPkResponse();
+
+    private CerServiceRequestTestData() {
+    }
+
+    private static String getMissingPkResponse() {
+        String fileName = "missingPkResponse";
+        return readFromFile(RESOURCE_PATH + fileName);
+    }
+
+    private static String getExpectedFirstElementOfTrustedCertificates() {
+
+        String fileName = "expectedFirstElementOfTrustedCertificates";
+        return readFromFile(RESOURCE_PATH + fileName);
+    }
+
+    private static String getExpectedFirstElementOfCertificateChain() {
+        String fileName = "expectedFirstElementOfCertificateChain";
+        return readFromFile(RESOURCE_PATH + fileName);
+    }
+
+    private static String getCorrectResponse() {
+        String fileName = "correctResponse";
+        return readFromFile(RESOURCE_PATH + fileName);
+    }
+
+    private static String getPkValue() {
+        String fileName = "testPk";
+        return readFromFile(RESOURCE_PATH + fileName);
+    }
+
+    private static String getCsrValue() {
+        String fileName = "testCsr";
+        return readFromFile(RESOURCE_PATH + fileName);
+    }
+
+    private static String readFromFile(String path) {
+        try {
+            return Files.readString(Paths.get(path), StandardCharsets.UTF_8);
+        } catch (IOException e) {
+            e.printStackTrace();
+            return "File not found";
+        }
+    }
+}
diff --git a/certServiceClient/src/test/java/org/onap/aaf/certservice/client/httpclient/HttpClientTest.java b/certServiceClient/src/test/java/org/onap/aaf/certservice/client/httpclient/HttpClientTest.java
new file mode 100644
index 00000000..f65aefdf
--- /dev/null
+++ b/certServiceClient/src/test/java/org/onap/aaf/certservice/client/httpclient/HttpClientTest.java
@@ -0,0 +1,125 @@
+/*
+ * ============LICENSE_START=======================================================
+ * aaf-certservice-client
+ * ================================================================================
+ * Copyright (C) 2020 Nokia. 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.onap.aaf.certservice.client.httpclient;
+
+import org.apache.http.HttpEntity;
+import org.apache.http.StatusLine;
+import org.apache.http.client.methods.CloseableHttpResponse;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.onap.aaf.certservice.client.api.ExitCode;
+import org.onap.aaf.certservice.client.httpclient.exception.CertServiceApiResponseException;
+import org.onap.aaf.certservice.client.httpclient.model.CertServiceResponse;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.util.List;
+
+import static java.net.HttpURLConnection.HTTP_BAD_REQUEST;
+import static java.net.HttpURLConnection.HTTP_OK;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.mockito.Mockito.any;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+import static org.onap.aaf.certservice.client.CerServiceRequestTestData.CA_NAME;
+import static org.onap.aaf.certservice.client.CerServiceRequestTestData.CORRECT_RESPONSE;
+import static org.onap.aaf.certservice.client.CerServiceRequestTestData.CSR;
+import static org.onap.aaf.certservice.client.CerServiceRequestTestData.EXPECTED_FIRST_ELEMENT_OF_CERTIFICATE_CHAIN;
+import static org.onap.aaf.certservice.client.CerServiceRequestTestData.EXPECTED_FIRST_ELEMENT_OF_TRUSTED_CERTIFICATES;
+import static org.onap.aaf.certservice.client.CerServiceRequestTestData.MISSING_PK_RESPONSE;
+import static org.onap.aaf.certservice.client.CerServiceRequestTestData.PK;
+
+class HttpClientTest {
+
+    private HttpClient httpClient;
+    private CloseableHttpClient closeableHttpClient;
+    private HttpEntity httpEntity;
+    private StatusLine statusLine;
+    private CloseableHttpResponse httpResponse;
+
+    @BeforeEach
+    void setUp() {
+
+        closeableHttpClient = mock(CloseableHttpClient.class);
+        httpEntity = mock(HttpEntity.class);
+        statusLine = mock(StatusLine.class);
+        httpResponse = mock(CloseableHttpResponse.class);
+
+        CloseableHttpClientProvider httpClientProvider = mock(CloseableHttpClientProvider.class);
+
+        when(httpClientProvider.getClient()).thenReturn(closeableHttpClient);
+        String testCertServiceAddress = "";
+        httpClient = new HttpClient(httpClientProvider, testCertServiceAddress);
+    }
+
+    @Test
+    void shouldReturnCorrectListsOfCertificatedChainsAndTrustedCertificates_WhenRequestDataIsCorrect()
+            throws Exception {
+
+        // given
+        mockServerResponse(HTTP_OK, CORRECT_RESPONSE);
+
+        // when
+        CertServiceResponse certServiceResponse =
+                httpClient.retrieveCertServiceData(CA_NAME, CSR, PK);
+        List<String> certificateChain = certServiceResponse.getCertificateChain();
+        List<String> trustedCertificate = certServiceResponse.getTrustedCertificates();
+
+        // then
+        assertNotNull(certServiceResponse);
+
+        final int expectedTwoElements = 2;
+        assertEquals(expectedTwoElements, certificateChain.size());
+        assertEquals(expectedTwoElements, trustedCertificate.size());
+
+        assertEquals(EXPECTED_FIRST_ELEMENT_OF_CERTIFICATE_CHAIN, certificateChain.get(0));
+        assertEquals(EXPECTED_FIRST_ELEMENT_OF_TRUSTED_CERTIFICATES, trustedCertificate.get(0));
+    }
+
+    @Test
+    void shouldThrowCertServiceApiResponseException_WhenPkHeaderIsMissing() throws Exception {
+
+        // given
+        mockServerResponse(HTTP_BAD_REQUEST, MISSING_PK_RESPONSE);
+
+        // when
+        CertServiceApiResponseException exception =
+                assertThrows(CertServiceApiResponseException.class,
+                        () -> httpClient.retrieveCertServiceData(CA_NAME, CSR, ""));
+
+        // then
+        assertEquals(ExitCode.CERT_SERVICE_API_CONNECTION_EXCEPTION.getValue(), exception.applicationExitCode());
+    }
+
+    private void mockServerResponse(int serverCodeResponse, String stringResponse)
+            throws IOException {
+        when(statusLine.getStatusCode()).thenReturn(serverCodeResponse);
+        when(httpResponse.getStatusLine()).thenReturn(statusLine);
+        when(httpResponse.getEntity()).thenReturn(httpEntity);
+        when(closeableHttpClient.execute(any(HttpGet.class))).thenReturn(httpResponse);
+
+        when(httpEntity.getContent()).thenReturn(new ByteArrayInputStream(stringResponse.getBytes()));
+    }
+}
diff --git a/certServiceClient/src/test/resources/correctResponse b/certServiceClient/src/test/resources/correctResponse
new file mode 100644
index 00000000..c7bf349e
--- /dev/null
+++ b/certServiceClient/src/test/resources/correctResponse
@@ -0,0 +1,10 @@
+{
+    "certificateChain": [
+        "-----BEGIN CERTIFICATE-----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\n-----END CERTIFICATE-----",
+        "-----BEGIN CERTIFICATE-----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\nXGN5NWV//4bP+NFmwgcn7AYCdRvz04A8GU/0Cwg=\n-----END CERTIFICATE-----"
+    ],
+    "trustedCertificates": [
+        "-----BEGIN CERTIFICATE-----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\nm/wB+2VPIYcsPMtIhHC4tgoSaiCqjXYptaOh4b8ye8CPBUCpX/AYYkN0Ow==\n-----END CERTIFICATE-----",
+        "-----BEGIN CERTIFICATE-----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\n0rTO\n-----END CERTIFICATE-----"
+    ]
+}
\ No newline at end of file
diff --git a/certServiceClient/src/test/resources/expectedFirstElementOfCertificateChain b/certServiceClient/src/test/resources/expectedFirstElementOfCertificateChain
new file mode 100644
index 00000000..1cbbc8d3
--- /dev/null
+++ b/certServiceClient/src/test/resources/expectedFirstElementOfCertificateChain
@@ -0,0 +1,21 @@
+-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
\ No newline at end of file
diff --git a/certServiceClient/src/test/resources/expectedFirstElementOfTrustedCertificates b/certServiceClient/src/test/resources/expectedFirstElementOfTrustedCertificates
new file mode 100644
index 00000000..2d36a220
--- /dev/null
+++ b/certServiceClient/src/test/resources/expectedFirstElementOfTrustedCertificates
@@ -0,0 +1,22 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
\ No newline at end of file
diff --git a/certServiceClient/src/test/resources/missingPkResponse b/certServiceClient/src/test/resources/missingPkResponse
new file mode 100644
index 00000000..c53358e0
--- /dev/null
+++ b/certServiceClient/src/test/resources/missingPkResponse
@@ -0,0 +1,7 @@
+{
+    "timestamp": "2020-02-25T06:36:23.651+0000",
+    "status": 400,
+    "error": "Bad Request",
+    "message": "Missing request header 'PK' for method parameter of type String",
+    "path": "//v1/certificate/TestCA"
+}
\ No newline at end of file
diff --git a/certServiceClient/src/test/resources/testCsr b/certServiceClient/src/test/resources/testCsr
new file mode 100644
index 00000000..aa9387bf
--- /dev/null
+++ b/certServiceClient/src/test/resources/testCsr
@@ -0,0 +1 @@
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
\ No newline at end of file
diff --git a/certServiceClient/src/test/resources/testPk b/certServiceClient/src/test/resources/testPk
new file mode 100644
index 00000000..36bc9834
--- /dev/null
+++ b/certServiceClient/src/test/resources/testPk
@@ -0,0 +1 @@
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
\ No newline at end of file