Merge pull request #87 from NHSDigital/NPA-2806_Fix_Mime_Response_Type

NPA-2806 Fix Mime Type Response

proxies/live/apiproxy/policies/RaiseFault.ApplicationOperationOutcome.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<!--
+ This policy updates Application Operation Outcome response to include the correct headers.
+
+ Raisefault policies stop the execution of the current flow and move to the error flow, which returns the error response defined here to the requesting application.
+
+ For more information on RaiseFault policies within Apigee see the following resource:
+    * https://docs.apigee.com/api-platform/reference/policies/raise-fault-policy
+-->
+<RaiseFault async="false" continueOnError="false" enabled="true" name="RaiseFault.ApplicationOperationOutcome">
+    <DisplayName>RaiseFault.ApplicationOperationOutcome</DisplayName>
+    <Properties/>
+    <FaultResponse>
+        <Set>
+            <Headers>
+              <Header name="Content-Type">application/fhir+json</Header>
+            </Headers>
+        </Set>
+    </FaultResponse>
+    <IgnoreUnresolvedVariables>true</IgnoreUnresolvedVariables>
+</RaiseFault>

proxies/live/apiproxy/targets/target.xml

@@ -23,7 +23,6 @@
             </Step>
             <Step>
                 <Name>SetRequestAWSMimeType</Name>
-                <Condition>(request.verb = "GET") or ((request.verb = "POST") and (request.header.Content-Type = "application/fhir+json"))</Condition>
             </Step>
         </Request>
     </PreFlow>
@@ -47,6 +46,12 @@
             </Step>
             <Condition>response.header.x-amzn-ErrorType = "IncompleteSignatureException"</Condition>
         </FaultRule>
+        <FaultRule name="ApplicationOperationOutcome">
+            <Step>
+                <Name>RaiseFault.ApplicationOperationOutcome</Name>
+                <Condition>response.header.x-amzn-RequestId != null</Condition>
+            </Step>
+        </FaultRule>
     </FaultRules>
     <HTTPTargetConnection>
         <LoadBalancer>