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authorMatthew Holt <mholt@users.noreply.github.com>2021-01-11 13:35:12 -0700
committerMatthew Holt <mholt@users.noreply.github.com>2021-01-11 13:35:12 -0700
commit0bf2046da7f2f5bf1b7d9fa055ae28de9a06ddaf (patch)
tree9245e6908881e7d2c76d743fc922a67a33b6154e
parent88a38bd00d386457aec71696a386449d3bcf8990 (diff)
requestbody: Allow overwriting remote address
An experimental feature, let's see if it's useful.
-rw-r--r--modules/caddyhttp/requestbody/requestbody.go9
1 files changed, 9 insertions, 0 deletions
diff --git a/modules/caddyhttp/requestbody/requestbody.go b/modules/caddyhttp/requestbody/requestbody.go
index 76cd274..35aa1af 100644
--- a/modules/caddyhttp/requestbody/requestbody.go
+++ b/modules/caddyhttp/requestbody/requestbody.go
@@ -29,6 +29,11 @@ func init() {
type RequestBody struct {
// The maximum number of bytes to allow reading from the body by a later handler.
MaxSize int64 `json:"max_size,omitempty"`
+
+ // Overwrites the remote address from which the request came. This is destructive;
+ // handlers later in the chain will not be able to recover the true originating
+ // address of the request. EXPERIMENTAL: May get changed or removed later.
+ RemoteAddress string `json:"remote_address,omitempty"`
}
// CaddyModule returns the Caddy module information.
@@ -40,6 +45,10 @@ func (RequestBody) CaddyModule() caddy.ModuleInfo {
}
func (rb RequestBody) ServeHTTP(w http.ResponseWriter, r *http.Request, next caddyhttp.Handler) error {
+ if rb.RemoteAddress != "" {
+ repl := r.Context().Value(caddy.ReplacerCtxKey).(*caddy.Replacer)
+ r.RemoteAddr = repl.ReplaceAll(rb.RemoteAddress, "")
+ }
if r.Body == nil {
return next.ServeHTTP(w, r)
}