[GitHub] mhamann closed pull request #281: Add x-forwarded-url to request headers

[GitBox <gi...@apache.org>]

mhamann closed pull request #281: Add x-forwarded-url to request headers
URL: https://github.com/apache/incubator-openwhisk-apigateway/pull/281
 
 
   

This is a PR merged from a forked repository.
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diff --git a/scripts/lua/routing.lua b/scripts/lua/routing.lua
index 6d20c61..445d08e 100644
--- a/scripts/lua/routing.lua
+++ b/scripts/lua/routing.lua
@@ -87,6 +87,17 @@ function _M.processCall(dataStore)
       end
       -- Set backend upstream and uri
       backendRouting.setRoute(opFields.backendUrl, gatewayPath)
+      -- Set gateway url as request header
+      local requestScheme = ngx.req.get_headers()["X-Forwarded-Proto"]
+      if requestScheme == nil or requestScheme == "" then
+        requestScheme = ngx.var.scheme
+      end
+      local requestUrl = utils.concatStrings({requestScheme, "://", ngx.var.host})
+      local prefix = ngx.req.get_headers()["X-Forwarded-Prefix"]
+      if prefix ~= nil and prefix ~= "" then
+        requestUrl = utils.concatStrings({requestUrl, prefix})
+      end
+      ngx.req.set_header("X-Forwarded-Url", utils.concatStrings({requestUrl, ngx.var.request_uri}))
       -- Parse policies
       if opFields.policies ~= nil then
         parsePolicies(dataStore, opFields.policies, key)


 

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