add issuer registry in file

sln-connector/launchers/sln-connector/src/main/java/org/eclipse/edc/fsn/extensions/dcp-impl/core/DcpPatchExtension.java

@@ -14,6 +14,7 @@
 
 package org.eclipse.edc.fsn.extensions.core;
 
+import com.fasterxml.jackson.core.type.TypeReference;
 import org.eclipse.edc.iam.identitytrust.spi.scope.ScopeExtractorRegistry;
 import org.eclipse.edc.iam.identitytrust.spi.verification.SignatureSuiteRegistry;
 import org.eclipse.edc.iam.verifiablecredentials.spi.VcConstants;
@@ -25,12 +26,15 @@ import org.eclipse.edc.policy.context.request.spi.RequestTransferProcessPolicyCo
 import org.eclipse.edc.policy.engine.spi.PolicyEngine;
 import org.eclipse.edc.runtime.metamodel.annotation.Inject;
 import org.eclipse.edc.security.signature.jws2020.Jws2020SignatureSuite;
+import org.eclipse.edc.spi.EdcException;
 import org.eclipse.edc.spi.system.ServiceExtension;
 import org.eclipse.edc.spi.system.ServiceExtensionContext;
 import org.eclipse.edc.spi.types.TypeManager;
 import org.eclipse.edc.transform.spi.TypeTransformerRegistry;
 import org.eclipse.edc.transform.transformer.edc.to.JsonValueToGenericTypeTransformer;
 
+import java.io.File;
+import java.io.IOException;
 import java.util.Map;
 import java.util.Set;
 
@@ -38,6 +42,10 @@ import static org.eclipse.edc.iam.verifiablecredentials.spi.validation.TrustedIs
 import static org.eclipse.edc.spi.constants.CoreConstants.JSON_LD;
 
 public class DcpPatchExtension implements ServiceExtension {
+    public static final String ISSUER_LIST_FILE_PATH = "edc.issuers.list.file";
+    private static final TypeReference<Map<String, String>> MAP_TYPE = new TypeReference<>() {
+    };
+
     @Inject
     private TypeManager typeManager;
 
@@ -54,6 +62,9 @@ public class DcpPatchExtension implements ServiceExtension {
     private ScopeExtractorRegistry scopeExtractorRegistry;
     @Inject
     private TypeTransformerRegistry typeTransformerRegistry;
+    
+    // @Inject
+    // private File issuerListFile;
 
     @Override
     public void initialize(ServiceExtensionContext context) {
@@ -64,9 +75,22 @@ public class DcpPatchExtension implements ServiceExtension {
         signatureSuiteRegistry.register(VcConstants.JWS_2020_SIGNATURE_SUITE, suite);
 
         // register dataspace issuer
-        // trustedIssuerRegistry.register(new Issuer("did:web:dataspace-issuer", Map.of()), WILDCARD);
-        trustedIssuerRegistry.register(new Issuer("did:web:issuer%3A80", Map.of()), WILDCARD);
-
+        // get issuers from file 
+        var issuersPath = context.getConfig().getString(ISSUER_LIST_FILE_PATH);
+        var issuerListFile = new File(issuersPath).getAbsoluteFile();
+        if (!issuerListFile.exists()) {
+            monitor.warning("Path '%s' does not exist. It must be a resolvable path with read access. Will not add any Issuers to the trusted registry.".formatted(issuersPath));
+        } else {
+            var mapper = typeManager.getMapper();
+            try {
+                var entries = mapper.readValue(issuerListFile, MAP_TYPE);
+                entries.entrySet().stream()
+                        .forEach(e -> 
+                            trustedIssuerRegistry.register(new Issuer(e.getValue(), Map.of()), WILDCARD));
+            } catch (IOException e) {
+                throw new EdcException(e);
+            }
+        }
         // register a default scope provider
         var contextMappingFunction = new DefaultScopeMappingFunction(monitor, Set.of("org.eclipse.edc.vc.type:MembershipCredential:read"));