Merge pull request #28 from NHSDigital/NPA-2160-add-proxy-url-to-headers

Added `API-Proxy` header to use for FIHR compliance

Author: chris-young-12-nhs

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

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<AssignMessage async="false" continueOnError="false" enabled="true" name="AddProxyURL">
+    <DisplayName>Add Proxy URL</DisplayName>
+    <Add>
+        <Headers>
+            <Header name="Proxy-Url">{proxy.url}</Header>
+        </Headers>
+    </Add>
+    <IgnoreUnresolvedVariables>true</IgnoreUnresolvedVariables>
+    <AssignTo createNew="false" transport="http" type="request"/>
+</AssignMessage>

proxies/live/apiproxy/targets/target.xml

@@ -10,6 +10,9 @@
       <Step>
         <Name>AddAPIToken</Name>
       </Step>
+      <Step>
+          <Name>AddProxyURL</Name>
+      </Step>
     </Request>
   </PreFlow>
   <FaultRules>