feat: mdoc selectFrom, evaluation and parsing

lib/evaluation/evaluationClientWrapper.ts

@@ -571,12 +571,12 @@ export class EvaluationClientWrapper {
 
     // Iterate over each descriptor in the submission
     for (const [descriptorIndex, descriptor] of submission.descriptor_map.entries()) {
-      let matchingVps: WrappedVerifiablePresentation[] = [];
+      let matchingVp: WrappedVerifiablePresentation;
 
       if (presentationSubmissionLocation === PresentationSubmissionLocation.EXTERNAL) {
         // Extract VPs matching the descriptor path
         const vpResults = JsonPathUtils.extractInputField(wvps, [descriptor.path]) as Array<{
-          value: WrappedVerifiablePresentation[];
+          value: WrappedVerifiablePresentation;
         }>;
 
         if (!vpResults.length) {
@@ -587,45 +587,56 @@ export class EvaluationClientWrapper {
             message: `Unable to extract path ${descriptor.path} for submission.descriptor_map[${descriptorIndex}] from presentation(s)`,
           });
           continue;
+        } else if (vpResults.length > 1) {
+          result.areRequiredCredentialsPresent = Status.ERROR;
+          result.errors?.push({
+            status: Status.ERROR,
+            tag: 'SubmissionPathMultipleEntries',
+            message: `Extraction of path ${descriptor.path} for submission.descriptor_map[${descriptorIndex}] resulted in multiple values being returned.`,
+          });
+          continue;
         }
 
-        // Flatten the array of VPs
-        const allVps = vpResults.flatMap((vpResult) => vpResult.value);
-
-        // Filter VPs that match the required format
-        matchingVps = allVps.filter((vp) => vp.format === descriptor.format);
-
-        if (!matchingVps.length) {
+        matchingVp = vpResults[0].value;
+        if (Array.isArray(matchingVp)) {
           result.areRequiredCredentialsPresent = Status.ERROR;
           result.errors?.push({
             status: Status.ERROR,
-            tag: 'SubmissionFormatNoMatch',
-            message: `No VP at path ${descriptor.path} matches the required format ${descriptor.format}`,
+            tag: 'SubmissionPathMultipleEntries',
+            message: `Extraction of path ${descriptor.path} for submission.descriptor_map[${descriptorIndex}] returned multiple entires. This is probably because the submission uses '$' to reference the presentation, while an array was used (thus all presentations are selected). Make sure the submission uses the correct path.`,
+          });
+          continue;
+        }
+        if (!matchingVp) {
+          result.areRequiredCredentialsPresent = Status.ERROR;
+          result.errors?.push({
+            status: Status.ERROR,
+            tag: 'SubmissionPathNotFound',
+            message: `Extraction of path ${descriptor.path} for submission.descriptor_map[${descriptorIndex}] succeeded, but the value was undefined.`,
           });
           continue;
         }
 
-        // Log a warning if multiple VPs match the descriptor
-        if (matchingVps.length > 1) {
-          result.warnings?.push({
-            status: Status.WARN,
-            tag: 'MultipleVpsMatched',
-            message: `Multiple VPs matched for descriptor_path[${descriptorIndex}]. Using the first matching VP.`,
+        if (matchingVp.format !== descriptor.format) {
+          result.areRequiredCredentialsPresent = Status.ERROR;
+          result.errors?.push({
+            status: Status.ERROR,
+            tag: 'SubmissionFormatNoMatch',
+            message: `The VP at path ${descriptor.path} does not match the required format ${descriptor.format}`,
           });
+          continue;
         }
       } else {
         // When submission location is PRESENTATION, assume a single VP
-        matchingVps = Array.isArray(wvps) ? [wvps[0]] : [wvps];
+        matchingVp = Array.isArray(wvps) ? wvps[0] : wvps;
       }
 
-      // Process the first matching VP
-      const vp = matchingVps[0];
       let vc: WrappedVerifiableCredential;
       let vcPath: string = `presentation ${descriptor.path}`;
 
       if (presentationSubmissionLocation === PresentationSubmissionLocation.EXTERNAL) {
         if (descriptor.path_nested) {
-          const extractionResult = this.extractWrappedVcFromWrappedVp(descriptor.path_nested, descriptorIndex.toString(), vp);
+          const extractionResult = this.extractWrappedVcFromWrappedVp(descriptor.path_nested, descriptorIndex.toString(), matchingVp);
           if (extractionResult.error) {
             result.areRequiredCredentialsPresent = Status.ERROR;
             result.errors?.push(extractionResult.error);
@@ -634,8 +645,8 @@ export class EvaluationClientWrapper {
 
           vc = extractionResult.wvc;
           vcPath += ` with nested credential ${descriptor.path_nested.path}`;
-        } else if (descriptor.format === 'vc+sd-jwt') {
-          if (!vp.vcs || !vp.vcs.length) {
+        } else if (descriptor.format === 'vc+sd-jwt' || descriptor.format === 'mso_mdoc') {
+          if (!matchingVp.vcs || !matchingVp.vcs.length) {
             result.areRequiredCredentialsPresent = Status.ERROR;
             result.errors?.push({
               status: Status.ERROR,
@@ -644,18 +655,18 @@ export class EvaluationClientWrapper {
             });
             continue;
           }
-          vc = vp.vcs[0];
+          vc = matchingVp.vcs[0];
         } else {
           result.areRequiredCredentialsPresent = Status.ERROR;
           result.errors?.push({
             status: Status.ERROR,
             tag: 'UnsupportedFormat',
-            message: `VP format ${vp.format} is not supported`,
+            message: `VP format ${matchingVp.format} is not supported`,
           });
           continue;
         }
       } else {
-        const extractionResult = this.extractWrappedVcFromWrappedVp(descriptor, descriptorIndex.toString(), vp);
+        const extractionResult = this.extractWrappedVcFromWrappedVp(descriptor, descriptorIndex.toString(), matchingVp);
         if (extractionResult.error) {
           result.areRequiredCredentialsPresent = Status.ERROR;
           result.errors?.push(extractionResult.error);
@@ -671,7 +682,9 @@ export class EvaluationClientWrapper {
 
       // Determine holder DIDs
       const holderDIDs =
-        CredentialMapper.isW3cPresentation(vp.presentation) && vp.presentation.holder ? [vp.presentation.holder] : opts?.holderDIDs || [];
+        CredentialMapper.isW3cPresentation(matchingVp.presentation) && matchingVp.presentation.holder
+          ? [matchingVp.presentation.holder]
+          : opts?.holderDIDs || [];
 
       if (pd.input_descriptors.findIndex((_id) => _id.id === descriptor.id) === -1) {
         result.areRequiredCredentialsPresent = Status.ERROR;

lib/evaluation/handlers/didRestrictionEvaluationHandler.ts

@@ -43,11 +43,10 @@ export class DIDRestrictionEvaluationHandler extends AbstractEvaluationHandler {
       return typeof wrappedVc.credential.issuer === 'object' ? wrappedVc.credential.issuer.id : wrappedVc.credential.issuer;
     } else if (CredentialMapper.isSdJwtDecodedCredential(wrappedVc.credential)) {
       return wrappedVc.credential.decodedPayload.iss;
-    } else if (CredentialMapper.isWrappedMdocCredential(wrappedVc)) {
-      if (typeof wrappedVc.decoded === 'object' && wrappedVc.decoded.iss !== undefined) {
-        return wrappedVc.decoded.iss;
-      }
-      throw new Error('cannot get issuer from the supplied mdoc credential');
+    }
+    // mdoc is not bound to did
+    else if (CredentialMapper.isWrappedMdocCredential(wrappedVc)) {
+      return undefined;
     }
     throw new Error('Unsupported credential type');
   }

lib/evaluation/handlers/limitDisclosureEvaluationHandler.ts

@@ -37,7 +37,8 @@ export class LimitDisclosureEvaluationHandler extends AbstractEvaluationHandler
     wvc: WrappedVerifiableCredential,
     vcIndex: number,
   ): boolean {
-    if (wvc.format === 'vc+sd-jwt') return true;
+    if (wvc.format === 'vc+sd-jwt' || wvc.format === 'mso_mdoc') return true;
+    if (wvc.format === 'ldp' || wvc.format === 'jwt') return false;
 
     const limitDisclosureSignatures = this.client.limitDisclosureSignatureSuites;
     const decoded = wvc.decoded as IVerifiableCredential;
@@ -109,7 +110,11 @@ export class LimitDisclosureEvaluationHandler extends AbstractEvaluationHandler
           this.createSuccessResult(inputDescriptorIndex, `$[${vcIndex}]`, inputDescriptor.constraints?.limit_disclosure);
         }
       }
-    } else if (CredentialMapper.isW3cCredential(wvc.credential)) {
+    } else if (CredentialMapper.isWrappedMdocCredential(wvc)) {
+      for (const { inputDescriptorIndex, inputDescriptor } of eligibleInputDescriptors) {
+        this.createSuccessResult(inputDescriptorIndex, `$[${vcIndex}]`, inputDescriptor.constraints?.limit_disclosure);
+      }
+    } else if (CredentialMapper.isWrappedW3CVerifiableCredential(wvc)) {
       const internalCredentialToSend = this.createVcWithRequiredFields(eligibleInputDescriptors, wvc.credential, vcIndex);
       /* When verifiableCredentialToSend is null/undefined an error is raised, the credential will
        * remain untouched and the verifiable credential won't be submitted.
@@ -121,7 +126,7 @@ export class LimitDisclosureEvaluationHandler extends AbstractEvaluationHandler
         }
       }
     } else {
-      throw new Error(`Unsupported format for selective disclosure ${wvc.format}`);
+      throw new Error('Unsupported format for selective disclosure');
     }
   }
 

lib/evaluation/handlers/uriEvaluationHandler.ts

@@ -4,6 +4,7 @@ import {
   CredentialMapper,
   ICredential,
   ICredentialSchema,
+  MdocDocument,
   OriginalType,
   SdJwtDecodedVerifiableCredential,
   WrappedVerifiableCredential,
@@ -125,7 +126,7 @@ export class UriEvaluationHandler extends AbstractEvaluationHandler {
     }
   }
 
-  private static buildVcContextAndSchemaUris(credential: ICredential | SdJwtDecodedVerifiableCredential, version: PEVersion) {
+  private static buildVcContextAndSchemaUris(credential: ICredential | SdJwtDecodedVerifiableCredential | MdocDocument, version: PEVersion) {
     const uris: string[] = [];
 
     // W3C credential

package.json

@@ -47,7 +47,7 @@
     "@sd-jwt/present": "^0.7.2",
     "@sd-jwt/types": "^0.7.2",
     "@sphereon/pex-models": "^2.3.1",
-    "@sphereon/ssi-types": "0.30.1",
+    "@sphereon/ssi-types": "file:/Users/timo/Developer/Work/Projects/Animo/Sphereon/ssi-sdk/packages/ssi-types",
     "ajv": "^8.12.0",
     "ajv-formats": "^2.1.1",
     "jwt-decode": "^3.1.2",