introduce static contexts

Signed-off-by: F-Node-Karlsruhe <christian.fries@eecc.de>

CHANGELOG.md

@@ -4,6 +4,9 @@ VC Verifier Changelog
 WIP
 ---
 
+- introduce static contexts
+
+
 1.7.4 (2023-10-10)
 ---
 

api/__tests__/credential.test.ts

@@ -232,7 +232,7 @@ describe("Verifier API Test for Credentials", () => {
     /**
      * Test StatusList2020 revoked credential
      */
-    test("Verify revoked credential", async () => {
+    test("Verify revoked credential - RevocationList2020", async () => {
         const res = await request(server).post("/api/verifier").send([revoked2020Credential]);
         expect(res.statusCode).toEqual(200);
         expect(res.body[0]).toHaveProperty('verified');
@@ -244,7 +244,7 @@ describe("Verifier API Test for Credentials", () => {
     /**
      * Test StatusList2021 revoked credential
      */
-    test("Verify revoked credential", async () => {
+    test("Verify revoked credential - StatusList2021", async () => {
         const res = await request(server).post("/api/verifier").send([revoked2021Credential]);
         expect(res.statusCode).toEqual(200);
         expect(res.body[0]).toHaveProperty('verified');

api/src/services/documentLoader/context/index.ts

@@ -0,0 +1,5 @@
+import { statusList2021Context } from "./status-list-2021";
+
+export const contexts = new Map([
+    ['https://w3id.org/vc/status-list/2021/v1', statusList2021Context]
+]);

api/src/services/documentLoader/context/status-list-2021.ts

@@ -0,0 +1,55 @@
+export const statusList2021Context: any = {
+    "@context": {
+        "@protected": true,
+
+        "StatusList2021Credential": {
+            "@id":
+                "https://w3id.org/vc/status-list#StatusList2021Credential",
+            "@context": {
+                "@protected": true,
+
+                "id": "@id",
+                "type": "@type",
+
+                "description": "http://schema.org/description",
+                "name": "http://schema.org/name"
+            }
+        },
+
+        "StatusList2021": {
+            "@id":
+                "https://w3id.org/vc/status-list#StatusList2021",
+            "@context": {
+                "@protected": true,
+
+                "id": "@id",
+                "type": "@type",
+
+                "statusPurpose":
+                    "https://w3id.org/vc/status-list#statusPurpose",
+                "encodedList": "https://w3id.org/vc/status-list#encodedList"
+            }
+        },
+
+        "StatusList2021Entry": {
+            "@id":
+                "https://w3id.org/vc/status-list#StatusList2021Entry",
+            "@context": {
+                "@protected": true,
+
+                "id": "@id",
+                "type": "@type",
+
+                "statusPurpose":
+                    "https://w3id.org/vc/status-list#statusPurpose",
+                "statusListIndex":
+                    "https://w3id.org/vc/status-list#statusListIndex",
+                "statusListCredential": {
+                    "@id":
+                        "https://w3id.org/vc/status-list#statusListCredential",
+                    "@type": "@id"
+                }
+            }
+        }
+    }
+}

api/src/services/documentLoader/index.ts

@@ -2,10 +2,9 @@
 import jsonldSignatures from 'jsonld-signatures';
 import { getResolver } from './didresolver.js';
 import { fetch_jsonld, fetchIPFS } from '../fetch/index.js';
+import { contexts } from './context/index.js';
 
-const TRUSTED_CONTEXT_DOMAINS: [string] = ['https://ssi.eecc.de']
-
-const cache = new Map();
+const cache = contexts;
 
 const documentLoader: Promise<any> = jsonldSignatures.extendContextLoader(async (url: string) => {
 
@@ -54,24 +53,14 @@ const documentLoader: Promise<any> = jsonldSignatures.extendContextLoader(async
 
             document = await fetchIPFS(url);
 
-            // always cache IPFS
-            cache.set(url, document);
-
         } else {
 
             document = await fetch_jsonld(url);
 
-            // cache and warn if external
-            if (!TRUSTED_CONTEXT_DOMAINS.some((trusted) => url.startsWith(trusted))) {
-
-                // console.log(`Fetched and cached @context from ${url}. Use with care!`);
-
-                cache.set(url, document);
-
-            }
-
         }
 
+        cache.set(url, document);
+
     }
 
     return {