From 64001975145ed85b6f911d53a62363b5cc40394a Mon Sep 17 00:00:00 2001
From: Emii Tatsuo <emi@alchemi.dev>
Date: Tue, 1 Dec 2020 17:38:52 -0500
Subject: [PATCH] Treat zero-length input as no input at all

Fixes running with molly brown
---
 src/types/request.rs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/types/request.rs b/src/types/request.rs
index ae8b844..85fabd4 100644
--- a/src/types/request.rs
+++ b/src/types/request.rs
@@ -62,7 +62,7 @@ impl Request {
 
         uri.normalize();
 
-        let input = match uri.query() {
+        let input = match uri.query().filter(|q| !q.is_empty()) {
             None => None,
             Some(query) => {
                 let input = percent_decode_str(query.as_str())
@@ -126,6 +126,11 @@ impl Request {
             .collect::<Vec<String>>()
     }
 
+    /// View any input sent by the user in the query string
+    ///
+    /// Any zero-length input is treated as no input at all, and will be reported as
+    /// [`None`].  This is done in order to provide compatibility with the SCGI header
+    /// common practice of reporting no query string as a blank input.
     pub fn input(&self) -> Option<&str> {
         self.input.as_deref()
     }