feat: endpoint to process credential from (acdc, iss) without IPEX (W…

…ebOfTrust#297)

* feat: endpoint to process credential from (acdc, iss) without IPEX

* refactor: rename process to verify for credential verification endpoint

src/keria/app/credentialing.py

@@ -43,6 +43,9 @@ def loadEnds(app, identifierResource):
     queryCollectionEnd = CredentialQueryCollectionEnd()
     app.add_route("/credentials/query", queryCollectionEnd)
 
+    credentialVerificationEnd = CredentialVerificationCollectionEnd()
+    app.add_route("/credentials/verify", credentialVerificationEnd)
+
 
 class RegistryCollectionEnd:
     """
@@ -407,6 +410,69 @@ def on_get(req, rep):
         rep.data = json.dumps(data).encode("utf-8")
 
 
+class CredentialVerificationCollectionEnd:
+    @staticmethod
+    def on_post(req, rep):
+        """ Verify credential endpoint (no IPEX)
+
+        Parameters:
+            req: falcon.Request HTTP request
+            rep: falcon.Response HTTP response
+
+        ---
+        summary: Verify a credential without IPEX
+        description: Verify a credential without using IPEX (TEL should be updated separately)
+        tags:
+           - Credentials
+        requestBody:
+            required: true
+            content:
+              application/json:
+                schema:
+                  type: object
+                  required:
+                    - acdc
+                    - iss
+                  properties:
+                    acdc:
+                      type: object
+                      description: KED of ACDC
+                    iss:
+                      type: object
+                      description: KED of issuing event in VC TEL
+        responses:
+           202:
+              description: Credential accepted for parsing
+              content:
+                  application/json:
+                    schema:
+                        description: long running operation of credential processing
+                        type: object
+           404:
+              description: Malformed ACDC or iss event
+        """
+        agent = req.context.agent
+        body = req.get_media()
+
+        try:
+            creder = serdering.SerderACDC(sad=httping.getRequiredParam(body, "acdc"))
+            iserder = serdering.SerderKERI(sad=httping.getRequiredParam(body, "iss"))
+        except (kering.ValidationError, json.decoder.JSONDecodeError) as e:
+            rep.status = falcon.HTTP_400
+            rep.text = e.args[0]
+            return
+
+        prefixer = coring.Prefixer(qb64=iserder.pre)
+        seqner = coring.Seqner(sn=iserder.sn)
+        saider = coring.Saider(qb64=iserder.said)
+
+        agent.parser.ims.extend(signing.serialize(creder, prefixer, seqner, saider))
+        op = agent.monitor.submit(creder.said, longrunning.OpTypes.credential,
+                                  metadata=dict(ced=creder.sad))
+        rep.status = falcon.HTTP_202
+        rep.data = op.to_json().encode("utf-8")
+
+
 class CredentialQueryCollectionEnd:
     """ This class provides a collection endpoint for creating credential queries.
 

tests/app/test_credentialing.py

@@ -223,7 +223,8 @@ def test_registry_end(helpers, seeder):
 
 
 def test_issue_credential(helpers, seeder):
-    with helpers.openKeria() as (agency, agent, app, client):
+    with (helpers.openKeria() as (agency, agent, app, client),
+          helpers.openKeria() as (agency1, agent1, app1, client1)):
         idResEnd = aiding.IdentifierResourceEnd()
         app.add_route("/identifiers/{name}", idResEnd)
         registryEnd = credentialing.RegistryCollectionEnd(idResEnd)
@@ -238,6 +239,7 @@ def test_issue_credential(helpers, seeder):
         app.add_route("/identifiers/{name}/endroles", endRolesEnd)
 
         seeder.seedSchema(agent.hby.db)
+        seeder.seedSchema(agent1.hby.db)
 
         # create the server that will receive the credential issuance messages
         serverDoer = helpers.server(agency)
@@ -293,7 +295,7 @@ def test_issue_credential(helpers, seeder):
         assert result.status_code == 404
         assert result.json == {'description': "badname is not a valid reference to an identifier",
                                'title': '404 Not Found'}
-        
+
         result = client.simulate_post(path="/identifiers/issuer/credentials", body=json.dumps(body).encode("utf-8"))
         op = result.json
 
@@ -309,6 +311,32 @@ def test_issue_credential(helpers, seeder):
         result = client.simulate_post(path="/identifiers/issuer/credentials", body=json.dumps(body).encode("utf-8"))
         assert result.status_code == 400
 
+        # Try to load into another agent after TEL query without IPEX
+        agent1.parser.parse(ims=agent.hby.habByName("issuer").replay())
+        assert iaid in agent1.hby.kevers
+
+        agent1.parser.parse(ims=agent.rgy.reger.cloneTvtAt(registry["regk"]))
+        assert registry["regk"] in agent1.rgy.tevers
+
+        agent1.parser.parse(ims=agent.rgy.reger.cloneTvtAt(creder.said))
+        assert agent1.rgy.tevers[registry["regk"]].vcSn(creder.said) is not None
+
+        credVerifyEnd = credentialing.CredentialVerificationCollectionEnd()
+        app1.add_route("/credentials/verify", credVerifyEnd)
+
+        body = dict(acdc=creder.sad, iss=regser.ked)  # still has changed LEI
+        result = client1.simulate_post(path="/credentials/verify", body=json.dumps(body).encode("utf-8"))
+        assert result.status_code == 400
+
+        body["acdc"]["a"]["LEI"] = "254900DA0GOGCFVWB618"  # change back
+        result = client1.simulate_post(path="/credentials/verify", body=json.dumps(body).encode("utf-8"))
+        assert result.status_code == 202
+
+        deeds = doist.enter(doers=[agent1])
+        while not agent1.rgy.reger.creds.get(keys=(creder.said,)):
+            doist.recur(deeds=deeds)
+
+
 def test_credentialing_ends(helpers, seeder):
     salt = b'0123456789abcdef'