Add consent page

src/main/java/se/su/dsv/oauth2/web/oauth2/ConsentController.java

@@ -0,0 +1,12 @@
+package se.su.dsv.oauth2.web.oauth2;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+
+@Controller
+public class ConsentController {
+    @GetMapping("/oauth2/consent")
+    public String showConsentForm() {
+        return "consent";
+    }
+}

src/main/resources/templates/consent.jte

@@ -0,0 +1,3 @@
+@template.base(title = "Consent", content = @`
+    <h1>Consent</h1>
+`)

src/test/java/se/su/dsv/oauth2/ConsentFlowTest.java

@@ -60,6 +60,25 @@ public class ConsentFlowTest extends AbstractMetadataTest {
 
     }
 
+    @Test
+    public void consent_page_exists() throws Exception {
+        MvcResult result = mockMvc.perform(get(getAuthorizationEndpoint())
+                        .with(remoteUser("some-other-end-user"))
+                        .queryParam("response_type", "code")
+                        .queryParam("client_id", TestConfig.CLIENT_ID)
+                        .queryParam("redirect_uri", TestConfig.REDIRECT_URI))
+                .andExpect(status().is3xxRedirection())
+                .andExpect(redirectedUrlPattern("**/oauth2/consent?**"))
+                .andReturn();
+
+        String consentUrl = result.getResponse().getRedirectedUrl();
+        assertNotNull(consentUrl, "Should have redirected to the consent page");
+
+        mockMvc.perform(get(consentUrl)
+                        .with(remoteUser("some-end-user")))
+                .andExpect(status().isOk());
+    }
+
     private static UriComponents parseUrl(final String url) {
         assertNotNull(url);