Extract HV VES Client ssl-related classes

- Create common ssl module
- Extract ssl-related classes from HV VES Client module
- Mark org.onap.dcaegen2.services.sdk.rest.services.ssl.SslFactory
  class as deprecated

Change-Id: I31ef784e8822981ba541fb3f525f003218cd5c88
Signed-off-by: Jakub Dudycz <jakub.dudycz@nokia.com>
Issue-ID: DCAEGEN2-1135

2 files changed, 208 insertions, 0 deletions

diff --git a/security/ssl/src/test/java/org/onap/dcaegen2/services/sdk/security/ssl/PasswordTest.java b/security/ssl/src/test/java/org/onap/dcaegen2/services/sdk/security/ssl/PasswordTest.java
new file mode 100644
index 00000000..ede227eb
--- /dev/null
+++ b/security/ssl/src/test/java/org/onap/dcaegen2/services/sdk/security/ssl/PasswordTest.java
@@ -0,0 +1,109 @@
+/*
+ * ============LICENSE_START====================================
+ * DCAEGEN2-SERVICES-SDK
+ * =========================================================
+ * Copyright (C) 2019 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.dcaegen2.services.sdk.security.ssl;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
+
+import io.vavr.collection.Array;
+import io.vavr.control.Try;
+import java.security.GeneralSecurityException;
+import java.util.Arrays;
+import org.junit.jupiter.api.Test;
+
+/**
+ * @author <a href="mailto:piotr.jaszczyk@nokia.com">Piotr Jaszczyk</a>
+ */
+class PasswordTest {
+
+    @Test
+    void use_shouldInvokeConsumerWithStoredPassword() {
+        // given
+        final String password = "hej ho";
+        final Password cut = new Password(password.toCharArray());
+
+        // when
+        String result = cut.useChecked(String::new).get();
+
+        // then
+        assertThat(result).isEqualTo(password);
+    }
+
+    @Test
+    void use_shouldClearPasswordAfterUse() {
+        // given
+        final char[] passwordChars = "hej ho".toCharArray();
+        final Password cut = new Password(passwordChars);
+
+        // when
+        useThePassword(cut);
+
+        // then
+        assertAllCharsAreNull(passwordChars);
+    }
+
+    @Test
+    void use_shouldFail_whenItWasAlreadyCalled() {
+        // given
+        final Password cut = new Password("ala ma kota".toCharArray());
+
+        // when & then
+        useThePassword(cut).get();
+
+        assertThatExceptionOfType(GeneralSecurityException.class).isThrownBy(() ->
+                useThePassword(cut).get());
+    }
+
+    @Test
+    void use_shouldFail_whenItWasCleared() {
+        // given
+        final Password cut = new Password("ala ma kota".toCharArray());
+
+        // when & then
+        cut.clear();
+
+        assertThatExceptionOfType(GeneralSecurityException.class).isThrownBy(() ->
+                useThePassword(cut).get());
+    }
+
+    @Test
+    void clear_shouldClearThePassword() {
+        // given
+        final char[] passwordChars = "hej ho".toCharArray();
+        final Password cut = new Password(passwordChars);
+
+        // when
+        cut.clear();
+
+        // then
+        assertAllCharsAreNull(passwordChars);
+    }
+
+    private Try<Object> useThePassword(Password cut) {
+        return cut.use((pass) -> Try.success(42));
+    }
+
+    private void assertAllCharsAreNull(char[] passwordChars) {
+        assertThat(Array.ofAll(passwordChars).forAll(ch -> ch == '\0'))
+                .describedAs("all characters in " + Arrays.toString(passwordChars) + " should be == '\\0'")
+                .isTrue();
+    }
+}
\ No newline at end of file
diff --git a/security/ssl/src/test/java/org/onap/dcaegen2/services/sdk/security/ssl/PasswordsTest.java b/security/ssl/src/test/java/org/onap/dcaegen2/services/sdk/security/ssl/PasswordsTest.java
new file mode 100644
index 00000000..07c5afe8
--- /dev/null
+++ b/security/ssl/src/test/java/org/onap/dcaegen2/services/sdk/security/ssl/PasswordsTest.java
@@ -0,0 +1,99 @@
+/*
+ * ============LICENSE_START====================================
+ * DCAEGEN2-SERVICES-SDK
+ * =========================================================
+ * Copyright (C) 2019 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.dcaegen2.services.sdk.security.ssl;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import io.vavr.control.Try;
+import java.io.File;
+import java.net.URISyntaxException;
+import java.nio.file.NoSuchFileException;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.UUID;
+import org.junit.jupiter.api.Test;
+
+/**
+ * @author <a href="mailto:piotr.jaszczyk@nokia.com">Piotr Jaszczyk</a>
+ * @since January 2019
+ */
+class PasswordsTest {
+
+    @Test
+    void fromFile() {
+        // given
+        final File file = new File("./src/test/resources/password.txt");
+
+        // when
+        final Try<Password> result = Passwords.fromFile(file);
+
+        // then
+        assertSuccessful(result);
+        assertThat(extractPassword(result)).isEqualTo("ja baczewski\n2nd line");
+    }
+
+    @Test
+    void fromPath() throws URISyntaxException {
+        // given
+        final Path path = Paths.get(PasswordsTest.class.getResource("/password.txt").toURI());
+
+        // when
+        final Try<Password> result = Passwords.fromPath(path);
+
+        // then
+        assertSuccessful(result);
+        assertThat(extractPassword(result)).isEqualTo("ja baczewski\n2nd line");
+    }
+
+    @Test
+    void fromPath_shouldFail_whenNotFound() {
+        // given
+        final Path path = Paths.get("/", UUID.randomUUID().toString());
+
+        // when
+        final Try<Password> result = Passwords.fromPath(path);
+
+        // then
+        assertThat(result.isFailure()).describedAs("Try.failure?").isTrue();
+        assertThat(result.getCause()).isInstanceOf(NoSuchFileException.class);
+    }
+
+    @Test
+    void fromResource() {
+        // given
+        final String resource = "/password.txt";
+
+        // when
+        final Try<Password> result = Passwords.fromResource(resource);
+
+        // then
+        assertSuccessful(result);
+        assertThat(extractPassword(result)).isEqualTo("ja baczewski\n2nd line");
+    }
+
+    private void assertSuccessful(Try<Password> result) {
+        assertThat(result.isSuccess()).describedAs("Try.success?").isTrue();
+    }
+
+    private String extractPassword(Try<Password> result) {
+        return result.flatMap(pass -> pass.useChecked(String::new)).get();
+    }
+}
\ No newline at end of file