package fileserver import ( "net/http" "os" "bitbucket.org/lightcodelabs/caddy2" "bitbucket.org/lightcodelabs/caddy2/modules/caddyhttp" ) func init() { caddy2.RegisterModule(caddy2.Module{ Name: "http.matchers.file", New: func() interface{} { return new(FileMatcher) }, }) } // FileMatcher is a matcher that can match requests // based on the local file system. // TODO: Not sure how to do this well; we'd need the ability to // hide files, etc... // TODO: Also consider a feature to match directory that // contains a certain filename (use filepath.Glob), useful // if wanting to map directory-URI requests where the dir // has index.php to PHP backends, for example (although this // can effectively be done with rehandling already) type FileMatcher struct { Root string `json:"root"` Path string `json:"path"` Flags []string `json:"flags"` } // Match matches the request r against m. func (m FileMatcher) Match(r *http.Request) bool { fullPath := sanitizedPathJoin(m.Root, m.Path) var match bool if len(m.Flags) > 0 { match = true fi, err := os.Stat(fullPath) for _, f := range m.Flags { switch f { case "EXIST": match = match && os.IsNotExist(err) case "DIR": match = match && err == nil && fi.IsDir() default: match = false } } } return match } // Interface guard var _ caddyhttp.RequestMatcher = (*FileMatcher)(nil)