add DPoPProofProvider test

Author: bhalsey

src/test/java/org/example/action/HeaderValuesAction.java

@@ -45,4 +45,9 @@ public String get() {
     headers.putAll(httpRequest.getHeaders());
     return "success";
   }
+
+  public String post() {
+    headers.putAll(httpRequest.getHeaders());
+    return "success";
+  }
 }

src/test/java/org/primeframework/mvc/GlobalTest.java

@@ -15,6 +15,7 @@
  */
 package org.primeframework.mvc;
 
+import javax.annotation.Nullable;
 import java.io.ByteArrayInputStream;
 import java.io.File;
 import java.io.IOException;
@@ -49,6 +50,7 @@
 import com.google.inject.Key;
 import com.google.inject.TypeLiteral;
 import freemarker.template.Configuration;
+import io.fusionauth.http.HTTPMethod;
 import io.fusionauth.http.HTTPValues.Headers;
 import io.fusionauth.http.HTTPValues.Methods;
 import org.example.action.JwtAuthorizedAction;
@@ -72,6 +74,7 @@
 import org.primeframework.mvc.security.CBCCipherProvider;
 import org.primeframework.mvc.security.DefaultEncryptor;
 import org.primeframework.mvc.security.Encryptor;
+import org.primeframework.mvc.test.DPoPProofProvider;
 import org.primeframework.mvc.util.URIBuilder;
 import org.testng.annotations.BeforeClass;
 import org.testng.annotations.DataProvider;
@@ -1554,6 +1557,26 @@ public void headers() throws IOException {
         .assertJSONValuesAt("/foo", List.of("bar", "baz"));
   }
 
+  @Test
+  public void dpopHeader() throws IOException {
+    // Make sure DPoPProofProvider gets invoked with proper values
+    // (a real DPoPProofProvider would generate a signed JWT)
+    DPoPProofProvider provider = (httpMethod, htu, accessToken) -> httpMethod.toString() + ":" + htu + ":" + accessToken;
+
+    simulator.test("/header-values")
+        .withDPoPProofProvider(provider)
+        .get()
+        .assertStatusCode(200)
+        .assertJSONValuesAt("/dpop", List.of("GET:http://localhost:9080/header-values:null"));
+
+    simulator.test("/header-values")
+        .withDPoPProofProvider(provider)
+        .withAuthorizationBearerToken("fake.token")
+        .post()
+        .assertStatusCode(200)
+        .assertJSONValuesAt("/dpop", List.of("POST:http://localhost:9080/header-values:fake.token"));
+  }
+
   @Test
   public void head() {
     simulator.test("/head")

src/test/java/org/primeframework/mvc/test/DPoPProofProvider.java

@@ -19,6 +19,10 @@
 
 import io.fusionauth.http.HTTPMethod;
 
+/**
+ * Interface for generating DPoP Proofs. Allows one to plug in their
+ * own DPoP Proof generation to HTTP requests in a test framework.
+ */
 public interface DPoPProofProvider {
   String generateDPoPProof(HTTPMethod httpMethod, String htu, @Nullable String accessToken);
 }

src/test/java/org/primeframework/mvc/test/RequestBuilder.java

@@ -503,7 +503,7 @@ public RequestBuilder withCookie(String name, String value) throws Exception {
     return withCookie(name, value, false, false);
   }
 
-  public RequestBuilder withDPoPProofProvider(DPoPProofProvider dPoPProofProvider) throws Exception {
+  public RequestBuilder withDPoPProofProvider(DPoPProofProvider dPoPProofProvider) {
     this.dPoPProofProvider = dPoPProofProvider;
     return this;
   }