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Add OPTIONS to route map 

Move the OPTIONS method registration into the existing
route map.  Also add support for empty paths in
the map.
This commit is contained in:
Michael Crosby 2013-06-10 16:10:40 -09:00
parent ac599d6528
commit dd53c457d7
1 changed files with 14 additions and 8 deletions
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22
api.go
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@ -703,6 +703,10 @@ func postBuild(srv *Server, version float64, w http.ResponseWriter, r *http.Requ
return nil
}
func optionsHandler(srv *Server, version float64, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
w.WriteHeader(http.StatusOK)
return nil
}
func writeCorsHeaders(w http.ResponseWriter, r *http.Request) {
w.Header().Add("Access-Control-Allow-Origin", "*")
w.Header().Add("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept")
@ -750,6 +754,9 @@ func createRouter(srv *Server, logging bool) (*mux.Router, error) {
"/containers/{name:.*}": deleteContainers,
"/images/{name:.*}": deleteImages,
},
"OPTIONS": {
"": optionsHandler,
},
}
for method, routes := range m {
@ -785,16 +792,15 @@ func createRouter(srv *Server, logging bool) (*mux.Router, error) {
httpError(w, err)
}
}
r.Path("/v{version:[0-9.]+}" + localRoute).Methods(localMethod).HandlerFunc(f)
r.Path(localRoute).Methods(localMethod).HandlerFunc(f)
if localRoute == "" {
r.Methods(localMethod).HandlerFunc(f)
} else {
r.Path("/v{version:[0-9.]+}" + localRoute).Methods(localMethod).HandlerFunc(f)
r.Path(localRoute).Methods(localMethod).HandlerFunc(f)
}
}
}
r.Methods("OPTIONS").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if srv.enableCors {
writeCorsHeaders(w, r)
}
w.WriteHeader(http.StatusOK)
})
return r, nil
}