Merge branch '__rultor'

.gitignore

@@ -13,3 +13,4 @@ bin/
 
 nb-configuration.xml
 .DS_Store
+/nbproject/

src/main/java/com/amihaiemil/docker/Auth.java

@@ -31,9 +31,9 @@
  * @version $Id$
  * @see <a href="https://docs.docker.com/engine/api/v1.35/#section/Authentication">Authentication</a>
  * @since 0.0.1
- * @todo #99:30min Implement a new auth named 'Token' that will hold the user's
- *  identity token from the auth endpoint. Implement some operation that would
- *  call the /auth endpoint and obtain a token.
+ * @todo #171:30min We have implemented all forms of Auth. We also have the
+ *  AuthHttpClient. Figure out how to make the library decorate the base
+ *  HttpClient with the AuthHttpClient in a seemless manner.
  */
 public interface Auth {
     /**

src/main/java/com/amihaiemil/docker/IdentityToken.java

@@ -0,0 +1,73 @@
+/**
+ * Copyright (c) 2018, Mihai Emil Andronache
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 1)Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2)Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3)Neither the name of docker-java-api nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package com.amihaiemil.docker;
+
+import java.nio.charset.StandardCharsets;
+import java.util.Base64;
+import java.util.function.Supplier;
+import javax.json.Json;
+
+/**
+ * An {@link Auth} holding an Identity token.
+ * <p>
+ * Identity tokens are obtained after validating your {@link Credentials}
+ * with a registry. However, the docker engine is capable of obtaining this
+ * token transparently if you just provide {@link Credentials}.
+ * <p>
+ * {@link IdentityToken} is useful for cases when you have already obtained
+ * a token from a previous session and you wish to reuse it.
+ *
+ * @author George Aristy (george.aristy@gmail.com)
+ * @see <a href="https://docs.docker.com/engine/api/v1.35/#section/Authentication">Authentication</a>
+ * @see <a href="https://docs.docker.com/registry/spec/auth/token/">Token Authentication Specification</a>
+ * @see <a href="https://docs.docker.com/engine/api/v1.35/#operation/SystemAuth">Check auth configuration</a>
+ * @version $Id$
+ * @since 0.0.4
+ */
+public final class IdentityToken implements Auth {
+    /**
+     * Base64-encoded JSON structure holding the identity token. 
+     */
+    private final Supplier<String> value;
+
+    /**
+     * Ctor.
+     * @param value The token's value
+     */
+    public IdentityToken(final String value) {
+        this.value = () -> Base64.getEncoder().encodeToString(
+            Json.createObjectBuilder().add("identitytoken", value)
+                .build().toString()
+                .getBytes(StandardCharsets.UTF_8)
+        );
+    }
+
+    @Override
+    public String encoded() {
+        return this.value.get();
+    }
+}

src/test/java/com/amihaiemil/docker/IdentityTokenTestCase.java

@@ -0,0 +1,61 @@
+/**
+ * Copyright (c) 2018, Mihai Emil Andronache
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 1)Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2)Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3)Neither the name of docker-java-api nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.amihaiemil.docker;
+
+import java.nio.charset.StandardCharsets;
+import java.util.Base64;
+import javax.json.Json;
+import org.hamcrest.MatcherAssert;
+import org.hamcrest.Matchers;
+import org.junit.Test;
+
+/**
+ * Unit tests for {@link IdentityToken}.
+ *
+ * @author George Aristy (george.aristy@gmail.com)
+ * @version $Id$
+ * @since 0.0.4
+ */
+public final class IdentityTokenTestCase {
+    /**
+     * Correctly encodes to base64 all attributes as a JSON object.
+     */
+    @Test
+    public void correctEncoding() {
+        final String token = "abc123";
+        MatcherAssert.assertThat(
+            new IdentityToken(token).encoded(),
+            Matchers.is(
+                Base64.getEncoder().encodeToString(
+                    Json.createObjectBuilder()
+                        .add("identitytoken", token)
+                        .build().toString()
+                        .getBytes(StandardCharsets.UTF_8)
+                )
+            )
+        );
+    }
+}