/
auth.go
64 lines (58 loc) · 2.06 KB
/
auth.go
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// Copyright 2023 N4-Networks.com
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package apiserver
import (
"log"
"net/http"
)
var users = map[string]string{
"n4admin": "n4defaultpass",
}
func isAuthorized(username, password string) bool {
pass, ok := users[username]
if !ok {
return false
}
return pass == password
}
func middlewareUserAuth(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.Method == "OPTIONS" {
next.ServeHTTP(w, r)
return
}
log.Println(r.RequestURI)
username, password, ok := r.BasicAuth()
if !ok {
w.Header().Add("WWW-Authenticate", `Basic realm="Give username and password"`)
w.WriteHeader(http.StatusUnauthorized)
w.Write([]byte(`{"message" : "No basic auth present"}`))
//w.Header().Set("Access-Control-Allow-Origin", "*") // require for UI to avoid CORS Policy
//w.Header().Set("Access-Control-Allow-Headers", "*") // require for UI to avoid CORS Policy
log.Println("No basic auth present")
return
}
if !isAuthorized(username, password) {
w.Header().Add("WWW-Authenticate", `Basic realm="Give username and password"`)
w.WriteHeader(http.StatusUnauthorized)
w.Write([]byte(`{"message" : "Invalid username and password"}`))
//w.Header().Set("Access-Control-Allow-Origin", "*") // require for UI to avoid CORS Policy
//w.Header().Set("Access-Control-Allow-Headers", "*") // require for UI to avoid CORS Policy
log.Println("Invalid username and password")
return
}
log.Println("Passed Authorization test")
next.ServeHTTP(w, r)
})
}