Add prototype / skeleton for server handling

server/main.go

@@ -0,0 +1,68 @@
+package main
+
+import (
+	"fmt"
+	"net/http"
+	"log"
+	"encoding/json"
+//	"errors"
+//	"os"
+
+	"github.com/gorilla/mux"
+	"github.com/gorilla/schema"
+	"github.com/creack/ehttp"
+	//	"github.com/auth0/go-jwt-middleware"
+	"github.com/dgrijalva/jwt-go"
+)
+
+type User struct {
+	Name string
+	Pass string
+	Email string
+}
+
+var users []User
+func getToken(w http.ResponseWriter, r *http.Request) error {
+	decoder := schema.NewDecoder()
+	err := r.ParseForm()
+	if err != nil {
+		return ehttp.NewErrorf(http.StatusInternalServerError, "could not parse form")
+	}
+
+	var input User
+	err = decoder.Decode(&input, r.PostForm)
+	if err != nil {
+		return ehttp.NewErrorf(http.StatusInternalServerError, "could not decode user from form")
+	}
+
+	log.Println("name:", input.Name, "pass:", input.Pass)
+	for _, user := range users {
+		if user.Name == input.Name && user.Pass == input.Pass {
+			token := jwt.NewWithClaims(jwt.SigningMethodHS256, jwt.MapClaims{
+				"name":user.Name,
+			})
+			tokenString, err := token.SignedString([]byte("TODO"))
+			if err != nil {
+				return ehttp.NewErrorf(http.StatusForbidden, "could not construct token")
+			}
+
+			log.Println("authenticated user", user.Name, "with token", tokenString)
+			jsonOut, _ := json.Marshal(map[string]string{"token": tokenString})
+			fmt.Fprint(w, string(jsonOut))
+			return nil
+		}
+	}
+	log.Println("getToken user not found")
+	return ehttp.NewErrorf(http.StatusForbidden, "Cannot find user or password")
+}
+
+
+func main() {
+	users = []User{ {Name:"foo",Pass:"bar"}, {Name:"baz",Pass:"bla"}}
+
+	r := mux.NewRouter()
+	r.Handle("/getToken", ehttp.HandlerFunc(getToken))
+
+	http.Handle("/", r)
+	http.ListenAndServe(":8000", nil)
+}