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Fix panic serving index file if HTTP request is malformed

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Matthew Holt 2019-05-27 08:12:19 -06:00
parent b5906135c7
commit 14a8ffedd8
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1 changed files with 4 additions and 0 deletions
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4
caddyhttp/httpserver/middleware.go
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@ -117,6 +117,10 @@ func (c ConfigSelector) Select(r *http.Request) (config HandlerConfig) {
// path separator, just like URLs. IndexFle handles path manipulation
// internally for systems that use different path separators.
func IndexFile(root http.FileSystem, fpath string, indexFiles []string) (string, bool) {
if len(fpath) == 0 {
// https://caddy.community/t/panic-runtime-error-index-out-of-range/5781
fpath = "/"
}
if fpath[len(fpath)-1] != '/' || root == nil {
return "", false
}