feat: replace original Authentication header after HaProxy auth (#33)

* feat: replace original authentication header after HaProxy auth

Signed-off-by: Andrey Borysenko <[email protected]>

* reverted changes for haproxy.cfg.template

Signed-off-by: Alexander Piskun <[email protected]>

* renamed header from `X-Original-Authentication` to `X-Original-Authorization`

Signed-off-by: Alexander Piskun <[email protected]>

---------

Signed-off-by: Andrey Borysenko <[email protected]>
Signed-off-by: Alexander Piskun <[email protected]>
Co-authored-by: Alexander Piskun <[email protected]>

Author: andrey18106

haproxy_ex_apps.cfg.template

@@ -19,6 +19,9 @@ frontend ex_apps
 
     http-request auth realm AppAPI unless valid_credentials
 
+    # Replace the Authorization header if there is X-Original-Authorization header of the original request
+    http-request set-header Authorization %[req.hdr(X-Original-Authorization)] if { req.hdr(X-Original-Authorization) -m found }
+
     # We allow anything for ExApps
     http-request allow
     use_backend bk_ex_apps