Fixes QR scan parsing for connectionless proof requests (Issue #21)

app/plugins/scanner.py

@@ -31,16 +31,37 @@ async def handle_payload(self, payload):
                 current_app.logger.info("Out of band invitation")
                 invitation = payload.split('?oob=')[-1]
                 decoded_invitation = json.loads(base64.urlsafe_b64decode(invitation+'===').decode())
+                # BUG #21: connectionless present-proof request inside OOB (redirect form)
+                pres_request = self._get_connectionless_presentation_request(decoded_invitation)
                 await self.didcomm_handler(decoded_invitation)
+                if pres_request:
+                    exchange_id = self._find_presentation_exchange_id(pres_request.get("@id"))
+                    return {
+                        "type": "oob_presentation_request",
+                        "action": "presentation_request",
+                        "exchange_id": exchange_id,
+                    }
                 return {"type": "oob_invitation", "label": decoded_invitation.get("label", "Unknown")}
 
             elif payload.split('?')[-1].startswith('_oobid='):
                 try:
                     r = requests.get(payload)
                     invitation = r.json()
+                    # BUG #21: connectionless present-proof request inside OOB (redirect form)
+                    pres_request = self._get_connectionless_presentation_request(invitation)
                     await self.didcomm_handler(invitation)
-                except:
-                    current_app.logger.info(r.text)
+                    if pres_request:
+                        exchange_id = self._find_presentation_exchange_id(pres_request.get("@id"))
+                        return {
+                            "type": "oob_presentation_request",
+                            "action": "presentation_request",
+                            "exchange_id": exchange_id,
+                        }
+                except Exception:
+                    try:
+                        current_app.logger.info(r.text)
+                    except Exception:
+                        current_app.logger.info("Failed to fetch/parse _oobid invitation")
 
         current_app.logger.info("No matching URL scheme found")
         return {"type": "unknown", "message": "No matching URL scheme found"}
@@ -80,3 +101,50 @@ async def iuv_handler(self, payload):
             elif exchange.get("redirectUrl", None):
                 redirect_url = exchange.get("redirectUrl")
                 redirect_url
+
+
+    # BUG #21: connectionless present-proof request inside OOB (redirect form)
+    def _get_connectionless_presentation_request(self, invitation):
+        """
+        Identify connectionless present-proof OOB invites:
+        - handshake_protocols is [] or missing
+        - requests~attach contains a present-proof/2.0 message
+        """
+        handshake_protocols = invitation.get("handshake_protocols")
+        if handshake_protocols not in (None, []):
+            return None
+
+        for attachment in invitation.get("requests~attach", []):
+            message = attachment.get("data", {}).get("json", {})
+            msg_type = message.get("@type", "")
+            if msg_type.startswith("https://didcomm.org/present-proof/2.0/"):
+                return message
+
+        return None
+
+    # BUG #21: connectionless present-proof request inside OOB (redirect form)
+    def _find_presentation_exchange_id(self, thread_id):
+        """
+        Best-effort: after ACA-Py receives the invitation, poll present-proof records
+        to find pres_ex_id by thread_id.
+        """
+        if not thread_id:
+            return None
+
+        for _ in range(3):
+            try:
+                response = requests.get(
+                    f"{agent.admin_endpoint}/present-proof-2.0/records",
+                    params={"thread_id": thread_id},
+                    headers=agent.tenant_headers,
+                )
+                data = response.json() if response is not None else {}
+                records = data.get("results") or data.get("pres_ex_records") or []
+                if records:
+                    return records[0].get("pres_ex_id")
+            except Exception:
+                pass
+
+            time.sleep(0.2)
+
+        return None

app/static/qr-scanner.js

@@ -89,6 +89,16 @@ function detect(source) {
                             if (scannerModal) {
                                 scannerModal.hide();
                             }
+                            // BUG #21: connectionless present-proof request inside OOB (redirect form)
+                            if (data && data.result && data.result.action === "presentation_request") {
+                                if (data.result.exchange_id) {
+                                    window.location.href = `/presentations/${data.result.exchange_id}`;
+                                } else {
+                                    // fallback: reload so notification / inbox shows
+                                    window.location.reload();
+                                }
+                                return;
+                            }
 
                             // Show connection processing modal with auto-refresh
                             showConnectionProcessing();