From 66114cb155f2a975ecdc9f3d2d89a9df1142791a Mon Sep 17 00:00:00 2001
From: Matthew Holt <mholt@users.noreply.github.com>
Date: Sat, 8 Jul 2023 13:42:13 -0600
Subject: caddyhttp: Trim dot/space only on Windows (fix #5613)

Follow-up to #2917. Path matcher needs to trim dots and spaces but only
on Windows.
---
 modules/caddyhttp/matchers.go      |  5 ++++-
 modules/caddyhttp/matchers_test.go | 12 +++++-------
 2 files changed, 9 insertions(+), 8 deletions(-)

(limited to 'modules/caddyhttp')

diff --git a/modules/caddyhttp/matchers.go b/modules/caddyhttp/matchers.go
index f5f9a0f..fb84875 100644
--- a/modules/caddyhttp/matchers.go
+++ b/modules/caddyhttp/matchers.go
@@ -25,6 +25,7 @@ import (
 	"path"
 	"reflect"
 	"regexp"
+	"runtime"
 	"sort"
 	"strconv"
 	"strings"
@@ -395,7 +396,9 @@ func (m MatchPath) Match(r *http.Request) bool {
 	// security risk (cry) if PHP files end up being served
 	// as static files, exposing the source code, instead of
 	// being matched by *.php to be treated as PHP scripts.
-	reqPath = strings.TrimRight(reqPath, ". ")
+	if runtime.GOOS == "windows" { // issue #5613
+		reqPath = strings.TrimRight(reqPath, ". ")
+	}
 
 	repl := r.Context().Value(caddy.ReplacerCtxKey).(*caddy.Replacer)
 
diff --git a/modules/caddyhttp/matchers_test.go b/modules/caddyhttp/matchers_test.go
index 4f5da69..041975d 100644
--- a/modules/caddyhttp/matchers_test.go
+++ b/modules/caddyhttp/matchers_test.go
@@ -21,6 +21,7 @@ import (
 	"net/http/httptest"
 	"net/url"
 	"os"
+	"runtime"
 	"testing"
 
 	"github.com/caddyserver/caddy/v2"
@@ -253,11 +254,6 @@ func TestPathMatcher(t *testing.T) {
 			input:  "/FOOOO",
 			expect: true,
 		},
-		{
-			match:  MatchPath{"*.php"},
-			input:  "/foo/index.php. .",
-			expect: true,
-		},
 		{
 			match:  MatchPath{"/foo/bar.txt"},
 			input:  "/foo/BAR.txt",
@@ -435,8 +431,10 @@ func TestPathMatcher(t *testing.T) {
 
 func TestPathMatcherWindows(t *testing.T) {
 	// only Windows has this bug where it will ignore
-	// trailing dots and spaces in a filename, but we
-	// test for it on all platforms to be more consistent
+	// trailing dots and spaces in a filename
+	if runtime.GOOS != "windows" {
+		return
+	}
 
 	req := &http.Request{URL: &url.URL{Path: "/index.php . . .."}}
 	repl := caddy.NewReplacer()
-- 
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