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|
/********************************
*** Multiplexer for Go ***
*** Bone is under MIT license ***
*** Code by CodingFerret ***
*** github.com/go-zoo ***
*********************************/
package bone
import (
"net/http"
"net/url"
"strings"
)
func (m *Mux) ListenAndServe(port string) error {
return http.ListenAndServe(port, m)
}
func (m *Mux) parse(rw http.ResponseWriter, req *http.Request) bool {
for _, r := range m.Routes[req.Method] {
ok := r.parse(rw, req)
if ok {
return true
}
}
// If no HEAD method, default to GET
if req.Method == "HEAD" {
for _, r := range m.Routes["GET"] {
ok := r.parse(rw, req)
if ok {
return true
}
}
}
return false
}
// StaticRoute check if the request path is for Static route
func (m *Mux) staticRoute(rw http.ResponseWriter, req *http.Request) bool {
for _, s := range m.Routes[static] {
if len(req.URL.Path) >= s.Size {
if req.URL.Path[:s.Size] == s.Path {
s.Handler.ServeHTTP(rw, req)
return true
}
}
}
return false
}
// HandleNotFound handle when a request does not match a registered handler.
func (m *Mux) HandleNotFound(rw http.ResponseWriter, req *http.Request) {
if m.notFound != nil {
m.notFound.ServeHTTP(rw, req)
} else {
http.NotFound(rw, req)
}
}
// Check if the path don't end with a /
func (m *Mux) validate(rw http.ResponseWriter, req *http.Request) bool {
plen := len(req.URL.Path)
if plen > 1 && req.URL.Path[plen-1:] == "/" {
cleanURL(&req.URL.Path)
rw.Header().Set("Location", req.URL.String())
rw.WriteHeader(http.StatusFound)
return true
}
// Retry to find a route that match
return m.parse(rw, req)
}
func valid(path string) bool {
plen := len(path)
if plen > 1 && path[plen-1:] == "/" {
return false
}
return true
}
// Clean url path
func cleanURL(url *string) {
ulen := len((*url))
if ulen > 1 {
if (*url)[ulen-1:] == "/" {
*url = (*url)[:ulen-1]
cleanURL(url)
}
}
}
// GetValue return the key value, of the current *http.Request
func GetValue(req *http.Request, key string) string {
return GetAllValues(req)[key]
}
// GetRequestRoute returns the route of given Request
func (m *Mux) GetRequestRoute(req *http.Request) string {
cleanURL(&req.URL.Path)
for _, r := range m.Routes[req.Method] {
if r.Atts != 0 {
if r.Atts&SUB != 0 {
return r.Handler.(*Mux).GetRequestRoute(req)
}
if r.Match(req) {
return r.Path
}
}
if req.URL.Path == r.Path {
return r.Path
}
}
for _, s := range m.Routes[static] {
if len(req.URL.Path) >= s.Size {
if req.URL.Path[:s.Size] == s.Path {
return s.Path
}
}
}
return "NotFound"
}
// GetQuery return the key value, of the current *http.Request query
func GetQuery(req *http.Request, key string) []string {
if ok, value := extractQueries(req); ok {
return value[key]
}
return nil
}
// GetAllQueries return all queries of the current *http.Request
func GetAllQueries(req *http.Request) map[string][]string {
if ok, values := extractQueries(req); ok {
return values
}
return nil
}
func extractQueries(req *http.Request) (bool, map[string][]string) {
if q, err := url.ParseQuery(req.URL.RawQuery); err == nil {
var queries = make(map[string][]string)
for k, v := range q {
for _, item := range v {
values := strings.Split(item, ",")
queries[k] = append(queries[k], values...)
}
}
return true, queries
}
return false, nil
}
func (m *Mux) otherMethods(rw http.ResponseWriter, req *http.Request) bool {
for _, met := range method {
if met != req.Method {
for _, r := range m.Routes[met] {
ok := r.exists(rw, req)
if ok {
rw.WriteHeader(http.StatusMethodNotAllowed)
return true
}
}
}
}
return false
}
|
