// ServeDirIndex serves up a directory to the request
func (r *Routes) ServeDirIndex(pattern, indexFile, dir, strip string) {
r.Add("get head", pattern+"/*", func(res http.ResponseWriter, req *http.Request, c Collector) {
requested := reggy.CleanPath(req.URL.Path)
file := strings.TrimPrefix(requested, strip)
if err := ServeFile(indexFile, dir, file, res, req); err != nil {
r.doFail(res, req, c)
}
})
}
// FSHandler returns a valid Route.RHandler for use with the relay.Route
func FSHandler(fs *FS, fail http.HandlerFunc) RHandler {
return func(res http.ResponseWriter, req *http.Request, c Collector) {
strip := path.Clean(fmt.Sprintf("/%s/", fs.Strip))
requested := reggy.CleanPath(req.URL.Path)
file := strings.TrimPrefix(requested, strip)
fi, err := fs.Open(file)
if err != nil {
if fail != nil {
fail(res, req)
} else {
http.NotFound(res, req)
}
return
}
ext := strings.ToLower(filepath.Ext(file))
stat, err := fi.Stat()
if err != nil {
if fail != nil {
fail(res, req)
} else {
http.NotFound(res, req)
}
return
}
// var cext string
cext := mime.TypeByExtension(ext)
// log.Printf("Type ext: %s -> %s", ext, cext)
if cext == "" {
if types, ok := mediaTypes[ext]; ok {
cext = types
} else {
cext = "text/plain"
}
}
res.Header().Set("Content-Type", cext)
if fs.Header != nil {
for m, v := range fs.Header {
for _, va := range v {
res.Header().Add(m, va)
}
}
}
http.ServeContent(res, req, stat.Name(), stat.ModTime(), fi)
}
}
// Add adds a route into the sets of routes, method can be "" to allow all methods to be handled or a stringed range eg "get head put" to allow this range of methods(get,head,put) only for the handler
func (r *Routes) Add(mo, pattern string, h RHandler) {
r.ro.Lock()
defer r.ro.Unlock()
var methods []string
if mo != "" {
cln := multispaces.ReplaceAllString(mo, " ")
methods = multispaces.Split(cln, -1)
}
if router, ok := r.routes[pattern]; ok {
for _, ro := range methods {
if _, ok := router.method[ro]; !ok {
router.method[ro] = h
}
}
return
}
var fatt string
if r.namespace != "" {
fatt = reggy.CleanPath(fmt.Sprintf("/%s/%s", r.namespace, pattern))
} else {
fatt = pattern
}
var mod = make(map[string]RHandler)
for _, ro := range methods {
mod[ro] = h
}
r.routes[pattern] = &Route{
ClassicMatchMux: reggy.CreateClassic(fatt),
handler: h,
method: mod,
nomethod: len(mod) == 0,
}
}
// Namespace returns the path of the route with a added '/*' to endicate allowance of all paths,this is used by other routes to bind to a parent router
func (r *Routes) Namespace() string {
if r.namespace == "" {
return r.namespace
}
return reggy.CleanPath(fmt.Sprintf("/%s/*", r.namespace))
}