Add login endpoint and generate a valid token

server/api/auth.go

@@ -1,10 +1,24 @@
 package api
 
 import (
-	"fmt"
 	"net/http"
 )
 
 func (a *API) Login(w http.ResponseWriter, r *http.Request) {
-	fmt.Fprintf(w, "FROM API")
+	body := ParseBody(r)
+	username := body.String("username")
+	password := body.String("password")
+
+	token, err := a.App.Login(username, password)
+	if err != nil {
+		http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
+		return
+	}
+
+	if token == "" {
+		http.Error(w, http.StatusText(http.StatusForbidden), http.StatusForbidden)
+		return
+	}
+
+	w.Write([]byte(token))
 }