adds error handling for header missing and misconfiguration

Author: kevinmason-nhs

proxies/live/apiproxy/policies/AssignMessage.AppMisconfiguredErrorResponse.xml

@@ -0,0 +1,7 @@
+<AssignMessage continueOnError="false" enabled="true" name="AssignMessage.AppMisconfiguredErrorResponse">
+    <DisplayName>AssignMessage.AppMisconfiguredErrorResponse</DisplayName>
+    <Remove>
+        <Payload>true</Payload>
+    </Remove>
+    <AssignTo createNew="false" type="response"/>
+</AssignMessage>

proxies/live/apiproxy/targets/ers-target.xml

@@ -124,28 +124,30 @@
             </Step>
             <Condition>(raisefault.RaiseFault.CheckAllowlistFailed.failed = true) and (validation.errorDescription ~~ ".*Invalid ODS code.*")</Condition>
         </FaultRule>
-        <!--        <FaultRule name="single_asid_ods_header_missing_error">-->
-        <!--            <Step>-->
-        <!--                <Condition>(isFhirR4Path = false)</Condition>-->
-        <!--                <Name>AssignMessage.SetOperationOutcomeVariablesPreR4</Name>-->
-        <!--            </Step>-->
-        <!--            <Step>-->
-        <!--                <Name>AssignMessage.SetOperationOutcomeODSHeaderMissingPreR4</Name>-->
-        <!--            </Step>-->
-        <!--            <Step>-->
-        <!--                <Name>AssignMessage.OperationOutcomeErrorResponse</Name>-->
-        <!--            </Step>-->
-        <!--            <Condition>(FlowCallout.EUOAllowlistVerify.error_description ~~ ".*Missing or Empty NHSD-End-User-Organisation-ODS header.*")</Condition>)-->
-        <!--        </FaultRule>-->
-        <!--        <FaultRule name="single_asid_ods_header_missing_error_fhir_r4">-->
-        <!--            <Step>-->
-        <!--                <Name>AssignMessage.SetOperationOutcomeODSHeaderMissingR4</Name>-->
-        <!--            </Step>-->
-        <!--            <Step>-->
-        <!--                <Name>AssignMessage.OperationOutcomeErrorResponse</Name>-->
-        <!--            </Step>-->
-        <!--            <Condition>(FlowCallout.EUOAllowlistVerify.error_description ~~ ".*Missing or Empty NHSD-End-User-Organisation-ODS header.*") and (isFhirR4Path = true)</Condition>)-->
-        <!--        </FaultRule>-->
+        <FaultRule name="single_asid_ods_header_missing_error">
+            <Step>
+                <Condition>(isFhirR4Path = false)</Condition>
+                <Name>AssignMessage.SetOperationOutcomeVariablesPreR4</Name>
+            </Step>
+            <Step>
+                <Condition>(isFhirR4Path = false)</Condition>
+                <Name>AssignMessage.SetOperationOutcomeODSHeaderMissingPreR4</Name>
+            </Step>
+            <Step>
+                <Condition>(isFhirR4Path = true)</Condition>
+                <Name>AssignMessage.SetOperationOutcomeODSHeaderMissingR4</Name>
+            </Step>
+            <Step>
+                <Name>AssignMessage.OperationOutcomeErrorResponse</Name>
+            </Step>
+            <Condition>(raisefault.RaiseFault.CheckAllowlistFailed.failed = true) and (validation.errorDescription ~~ ".*Missing or Empty NHSD-End-User-Organisation-ODS header.*")</Condition>
+        </FaultRule>
+        <FaultRule name="single_asid_app_misconfigured">
+            <Step>
+                <Name>AssignMessage.AppMisconfiguredErrorResponse</Name>
+            </Step>
+            <Condition>(raisefault.RaiseFault.CheckAllowlistFailed.failed = true) and (validation.errorMessage ~~ ".*service error.*")</Condition>
+        </FaultRule>
     </FaultRules>
     <PreFlow>
         <Request>