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-rw-r--r--pkg/backend/webapi.go38
1 files changed, 34 insertions, 4 deletions
diff --git a/pkg/backend/webapi.go b/pkg/backend/webapi.go
index e3918c5..a8844e8 100644
--- a/pkg/backend/webapi.go
+++ b/pkg/backend/webapi.go
@@ -4,8 +4,35 @@ import (
"fmt"
"log"
"net/http"
+ "os"
+
+ "0xacab.org/leap/bitmask-vpn/pkg/bitmask"
)
+func Adapt(h http.Handler, adapters ...Adapter) http.Handler {
+ for _, adapter := range adapters {
+ h = adapter(h)
+ }
+ return h
+}
+
+type Adapter func(http.Handler) http.Handler
+
+func CheckAuth(token string) Adapter {
+ return func(h http.Handler) http.Handler {
+ return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+ t := r.Header.Get("X-Auth-Token")
+ if t == token {
+ h.ServeHTTP(w, r)
+ } else {
+ w.WriteHeader(http.StatusUnauthorized)
+ w.Write([]byte("401 - Unauthorized"))
+ }
+
+ })
+ }
+}
+
func webOn(w http.ResponseWriter, r *http.Request) {
log.Println("Web UI: on")
SwitchOn()
@@ -24,12 +51,15 @@ func webStatus(w http.ResponseWriter, r *http.Request) {
func webQuit(w http.ResponseWriter, r *http.Request) {
log.Println("Web UI: quit")
Quit()
+ os.Exit(0)
}
func enableWebAPI() {
- http.HandleFunc("/vpn/start", webOn)
- http.HandleFunc("/vpn/stop", webOff)
- http.HandleFunc("/vpn/status", webStatus)
- http.HandleFunc("/vpn/quit", webQuit)
+ bitmask.GenerateAuthToken()
+ auth := CheckAuth(bitmask.ReadAuthToken())
+ http.Handle("/vpn/start", Adapt(http.HandlerFunc(webOn), auth))
+ http.Handle("/vpn/stop", Adapt(http.HandlerFunc(webOff), auth))
+ http.Handle("/vpn/status", Adapt(http.HandlerFunc(webStatus), auth))
+ http.Handle("/vpn/quit", Adapt(http.HandlerFunc(webQuit), auth))
http.ListenAndServe(":8080", nil)
}