Retrieve issuer certificate

Change-Id: I22b9ed99d9b19ed300b5671826bd5cd369417f06
Issue-ID: SDC-2162
Signed-off-by: kooper <sergey.sachkov@est.tech>

6 files changed, 238 insertions, 2 deletions

diff --git a/openecomp-be/backend/openecomp-sdc-vendor-software-product-manager/pom.xml b/openecomp-be/backend/openecomp-sdc-vendor-software-product-manager/pom.xml
index 65babbdfd6..66f04f1ba7 100644
--- a/openecomp-be/backend/openecomp-sdc-vendor-software-product-manager/pom.xml
+++ b/openecomp-be/backend/openecomp-sdc-vendor-software-product-manager/pom.xml
@@ -162,7 +162,7 @@
         </dependency>
         <dependency>
             <groupId>org.powermock</groupId>
-            <artifactId>powermock-module-testng-common</artifactId>
+            <artifactId>powermock-module-junit4-common</artifactId>
             <version>${powermock.version}</version>
             <scope>test</scope>
         </dependency>
@@ -174,7 +174,7 @@
         </dependency>
         <dependency>
             <groupId>org.powermock</groupId>
-            <artifactId>powermock-module-testng</artifactId>
+            <artifactId>powermock-module-junit4</artifactId>
             <version>${powermock.version}</version>
             <scope>test</scope>
         </dependency>
diff --git a/openecomp-be/backend/openecomp-sdc-vendor-software-product-manager/src/main/java/org/openecomp/sdc/vendorsoftwareproduct/security/SecurityManager.java b/openecomp-be/backend/openecomp-sdc-vendor-software-product-manager/src/main/java/org/openecomp/sdc/vendorsoftwareproduct/security/SecurityManager.java
new file mode 100644
index 0000000000..d2da7ef20f
--- /dev/null
+++ b/openecomp-be/backend/openecomp-sdc-vendor-software-product-manager/src/main/java/org/openecomp/sdc/vendorsoftwareproduct/security/SecurityManager.java
@@ -0,0 +1,102 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2019, Nordix Foundation. 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.openecomp.sdc.vendorsoftwareproduct.security;
+
+import com.google.common.collect.ImmutableSet;
+import org.openecomp.sdc.logging.api.Logger;
+import org.openecomp.sdc.logging.api.LoggerFactory;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.security.cert.Certificate;
+import java.security.cert.CertificateException;
+import java.security.cert.CertificateFactory;
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * This is temporary solution. When AAF provides functionality for verifying certificates, this class should be reviewed
+ * Class is responsible for providing root certificates from configured location in onboarding container.
+ */
+public class SecurityManager {
+    private static final String CERTIFICATE_DEFAULT_LOCATION = "/root/cert";
+
+    private Logger logger = LoggerFactory.getLogger(SecurityManager.class);
+    private Set<Certificate> certificates = new HashSet<>();
+    private File certificateDirectory;
+
+
+    public SecurityManager(){
+        certificateDirectory = this.getcertDirectory();
+    }
+
+    private void processCertificateDir() {
+        if(!certificateDirectory.exists() || !certificateDirectory.isDirectory()){
+            logger.error("Issue with certificate directory, check if exists!");
+            return;
+        }
+
+        File [] files = certificateDirectory.listFiles();
+        if(files == null){
+            logger.error("Certificate directory is empty!");
+            return;
+        }
+        for(File f : files) {
+            certificates.add(loadCertificate(f));
+        }
+    }
+
+    private File getcertDirectory() {
+        String certDirLocation = System.getenv("SDC_CERT_DIR");
+        if(certDirLocation == null){
+            certDirLocation = CERTIFICATE_DEFAULT_LOCATION;
+        }
+        return new File(certDirLocation);
+    }
+
+    private Certificate loadCertificate(File certFile){
+        try (InputStream fileInputStream = new FileInputStream(certFile)){
+            CertificateFactory factory = CertificateFactory.getInstance("X.509");
+            return factory.generateCertificate(fileInputStream);
+        } catch (CertificateException|IOException e) {
+            throw new SecurityManagerException("Error during loading Certificate file!", e);
+        }
+    }
+
+    /**
+     * Checks the configured location for available certificates
+     * @return set of certificates
+     */
+    public Set<Certificate> getCertificates() {
+        //if file number in certificate directory changed reload certs
+        String[] certFiles = certificateDirectory.list();
+        if(certFiles == null){
+            logger.error("Certificate directory is empty!");
+            return ImmutableSet.copyOf(new HashSet<>());
+        }
+        if(certificates.size() != certFiles.length){
+            certificates = new HashSet<>();
+            processCertificateDir();
+        }
+        return ImmutableSet.copyOf(certificates);
+    }
+}
diff --git a/openecomp-be/backend/openecomp-sdc-vendor-software-product-manager/src/main/java/org/openecomp/sdc/vendorsoftwareproduct/security/SecurityManagerException.java b/openecomp-be/backend/openecomp-sdc-vendor-software-product-manager/src/main/java/org/openecomp/sdc/vendorsoftwareproduct/security/SecurityManagerException.java
new file mode 100644
index 0000000000..5c5a23a5f8
--- /dev/null
+++ b/openecomp-be/backend/openecomp-sdc-vendor-software-product-manager/src/main/java/org/openecomp/sdc/vendorsoftwareproduct/security/SecurityManagerException.java
@@ -0,0 +1,8 @@
+package org.openecomp.sdc.vendorsoftwareproduct.security;
+
+public class SecurityManagerException extends RuntimeException {
+
+    public SecurityManagerException(String s, Throwable t) {
+        super(s);
+    }
+}
diff --git a/openecomp-be/backend/openecomp-sdc-vendor-software-product-manager/src/test/java/org/openecomp/sdc/vendorsoftwareproduct/security/SecurityManagerTest.java b/openecomp-be/backend/openecomp-sdc-vendor-software-product-manager/src/test/java/org/openecomp/sdc/vendorsoftwareproduct/security/SecurityManagerTest.java
new file mode 100644
index 0000000000..c693015791
--- /dev/null
+++ b/openecomp-be/backend/openecomp-sdc-vendor-software-product-manager/src/test/java/org/openecomp/sdc/vendorsoftwareproduct/security/SecurityManagerTest.java
@@ -0,0 +1,84 @@
+package org.openecomp.sdc.vendorsoftwareproduct.security;
+
+import org.apache.commons.io.FileUtils;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.powermock.api.mockito.PowerMockito;
+import org.powermock.core.classloader.annotations.PrepareForTest;
+import org.powermock.modules.junit4.PowerMockRunner;
+
+import java.io.File;
+import java.io.IOException;
+
+import static junit.framework.TestCase.assertEquals;
+import static junit.framework.TestCase.assertTrue;
+import static org.mockito.ArgumentMatchers.eq;
+
+@RunWith(PowerMockRunner.class)
+@PrepareForTest(SecurityManager.class)
+public class SecurityManagerTest {
+    File certDir;
+
+    @Before
+    public void setUp(){
+        certDir = new File("/tmp/cert");
+        certDir.mkdirs();
+        PowerMockito.mockStatic(System.class);
+        PowerMockito.when(System.getenv(eq("SDC_CERT_DIR"))).thenReturn(certDir.getPath());
+    }
+
+    @After
+    public void tearDown(){
+        certDir.delete();
+    }
+
+    @Test
+    public void testGetCertificates() throws IOException {
+        File origFile = new File("src/test/resources/cert/root-certificate.pem");
+        File newFile = new File("/tmp/cert/root-certificate.pem");
+        newFile.createNewFile();
+        FileUtils.copyFile(origFile, newFile);
+        SecurityManager securityManager = new SecurityManager();
+        assertEquals(1, securityManager.getCertificates().size());
+        newFile.delete();
+        assertEquals(0, securityManager.getCertificates().size());
+    }
+
+    @Test
+    public void testGetCertificatesNoDirectory() throws IOException {
+        certDir.delete();
+        SecurityManager securityManager = new SecurityManager();
+        assertEquals(0, securityManager.getCertificates().size());
+    }
+
+    @Test(expected = SecurityManagerException.class)
+    public void testGetCertificatesException() throws IOException {
+        File newFile = new File("/tmp/cert/root-certificate.pem");
+        newFile.createNewFile();
+        SecurityManager securityManager = new SecurityManager();
+        assertEquals(1, securityManager.getCertificates().size());
+        newFile.delete();
+        assertEquals(0, securityManager.getCertificates().size());
+    }
+
+    @Test
+    public void testGetCertificatesUpdated() throws IOException {
+        File origFile = new File("src/test/resources/cert/root-certificate.pem");
+        File newFile = new File("/tmp/cert/root-certificate.pem");
+        newFile.createNewFile();
+        FileUtils.copyFile(origFile, newFile);
+        SecurityManager securityManager = new SecurityManager();
+        assertTrue(securityManager.getCertificates().size() == 1);
+        File otherOrigFile = new File("src/test/resources/cert/package-certificate.pem");
+        File otherNewFile = new File("/tmp/cert/package-certificate.pem");
+        newFile.createNewFile();
+        FileUtils.copyFile(otherOrigFile, otherNewFile);
+        assertEquals(2, securityManager.getCertificates().size());
+        otherNewFile.delete();
+        assertEquals(1, securityManager.getCertificates().size());
+        newFile.delete();
+        assertEquals(0, securityManager.getCertificates().size());
+    }
+}
diff --git a/openecomp-be/backend/openecomp-sdc-vendor-software-product-manager/src/test/resources/cert/package-certificate.pem b/openecomp-be/backend/openecomp-sdc-vendor-software-product-manager/src/test/resources/cert/package-certificate.pem
new file mode 100644
index 0000000000..886b594f39
--- /dev/null
+++ b/openecomp-be/backend/openecomp-sdc-vendor-software-product-manager/src/test/resources/cert/package-certificate.pem
@@ -0,0 +1,20 @@
+-----BEGIN CERTIFICATE-----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+Q44TQa7Jc1Oij1DODwCsZpsT8IVpPyGOTXwoSbRNVDCVKtF5GWXQPztcg81nn6qR
+hs88jgPv+9+cz+r6E1pB6DZY7nfetnQluZdX/0VeCl6+fswIfVPt3hbKu21LSuRQ
+5PGlE2j8oztbXGP3EkwFooqxrFjkLHAVm+huCXQMdICs/Xj91NI4KhZyIz3jm+Bu
+FaISSUy9k9whoMye
+-----END CERTIFICATE-----
diff --git a/openecomp-be/backend/openecomp-sdc-vendor-software-product-manager/src/test/resources/cert/root-certificate.pem b/openecomp-be/backend/openecomp-sdc-vendor-software-product-manager/src/test/resources/cert/root-certificate.pem
new file mode 100644
index 0000000000..c292035e01
--- /dev/null
+++ b/openecomp-be/backend/openecomp-sdc-vendor-software-product-manager/src/test/resources/cert/root-certificate.pem
@@ -0,0 +1,22 @@
+-----BEGIN CERTIFICATE-----
+MIIDjzCCAnegAwIBAgIJANGn88sngb8EMA0GCSqGSIb3DQEBCwUAMF4xCzAJBgNV
+BAYTAkFVMRMwEQYDVQQIDApTb21lLVN0YXRlMSEwHwYDVQQKDBhJbnRlcm5ldCBX
+aWRnaXRzIFB0eSBMdGQxFzAVBgNVBAMMDnJvb3QgYXV0aG9yaXR5MB4XDTE5MDMy
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+0xXeAGlSUCz5QyjBrM7Un5FonOjZEHYm5HC3NmPcVfEZ1n45BmEixwmJCki1fze1
++6xW
+-----END CERTIFICATE-----