Refactor JWT signing algorithm creation

pom.xml

@@ -59,6 +59,12 @@
         <type>pom</type>
         <scope>import</scope>
       </dependency>
+      <dependency>
+        <groupId>org.testcontainers</groupId>
+        <artifactId>testcontainers</artifactId>
+        <version>1.21.3</version>
+        <scope>test</scope>
+      </dependency>
     </dependencies>
   </dependencyManagement>
 
@@ -134,4 +140,4 @@
     </plugins>
   </build>
 
-</project>
+</project>

vertx-auth-common/src/main/java/io/vertx/ext/auth/impl/jose/Alg.java

@@ -0,0 +1,53 @@
+package io.vertx.ext.auth.impl.jose;
+
+import java.security.Signature;
+import java.security.spec.MGF1ParameterSpec;
+import java.security.spec.PSSParameterSpec;
+import java.util.concurrent.Callable;
+
+/**
+ * JWT alg.
+ */
+public enum Alg {
+
+  HS256("HmacSHA256", "1.2.840.113549.2.9", null),
+  HS384("HmacSHA384", "1.2.840.113549.2.10", null),
+  HS512("HmacSHA512", "1.2.840.113549.2.11", null),
+  RS1(null, null, null), // ????
+  RS256("SHA256withRSA", "1.2.840.113549.1.1.11", () -> Signature.getInstance("SHA256withRSA")),
+  RS384("SHA384withRSA", "1.2.840.113549.1.1.12", () -> Signature.getInstance("SHA384withRSA")),
+  RS512("SHA512withRSA", "1.2.840.113549.1.1.13", () -> Signature.getInstance("SHA512withRSA")),
+  ES256K("SHA256withECDSA", null, () -> Signature.getInstance("SHA256withECDSA")),
+  ES256("SHA256withECDSA", "1.2.840.10045.4.3.2", () -> Signature.getInstance("SHA256withECDSA")),
+  ES384("SHA384withECDSA", "1.2.840.10045.4.3.3", () -> Signature.getInstance("SHA384withECDSA")),
+  ES512("SHA512withECDSA", "1.2.840.10045.4.3.4", () -> Signature.getInstance("SHA512withECDSA")),
+
+  PS256("SHA256withRSAandMGF1", "1.2.840.113549.1.1.10", () -> {
+    Signature sig = Signature.getInstance("RSASSA-PSS");
+    sig.setParameter(new PSSParameterSpec("SHA-256", "MGF1", MGF1ParameterSpec.SHA256, 256 / 8, 1));
+    return sig;
+  }),
+  PS384("SHA384withRSAandMGF1", "1.2.840.113549.1.1.10", () -> {
+    Signature sig = Signature.getInstance("RSASSA-PSS");
+    sig.setParameter(new PSSParameterSpec("SHA-384", "MGF1", MGF1ParameterSpec.SHA384, 384 / 8, 1));
+    return sig;
+  }),
+  PS512("SHA512withRSAandMGF1", "1.2.840.113549.1.1.10 ", () -> {
+    Signature sig = Signature.getInstance("RSASSA-PSS");
+    sig.setParameter(new PSSParameterSpec("SHA-512", "MGF1", MGF1ParameterSpec.SHA512, 512 / 8, 1));
+    return sig;
+  }),
+  EdDSA(null, null, () -> Signature.getInstance("EdDSA")),
+
+  ;
+
+  public final String jce;
+  public final String oid;
+  public final Callable<Signature> signatureProvider;
+
+  Alg(String jce, String oid, Callable<Signature> signatureProvider) {
+    this.jce = jce;
+    this.oid = oid;
+    this.signatureProvider = signatureProvider;
+  }
+}