encode registration key on command line

cmd/cmd.go

@@ -1,16 +1,28 @@
 package cmd
 
 import (
-	_ "fmt"
+	"fmt"
+	"hacklab.nilfm.cc/felt/register"
 	"hacklab.nilfm.cc/quartzgun/auth"
-	_ "strings"
+	"strconv"
+	"time"
 )
 
-func ProcessCmd(args []string, userStore auth.UserStore) bool {
+func ProcessCmd(args []string, userStore auth.UserStore, crypto register.SymmetricCrypto) bool {
 	if len(args) == 1 {
 		return false
 	}
 	switch args[1] {
+	case "register":
+		now := time.Now().UnixMicro()
+		strNow := strconv.FormatInt(now, 10)
+		self, err := crypto.Encrypt(strNow)
+		if err == nil {
+			fmt.Print("This is the registration key: ")
+			fmt.Println(self)
+		} else {
+			fmt.Printf("%v\n", err)
+		}
 	case "adduser":
 		if len(args) < 4 {
 			return help()

config/config.go

@@ -174,6 +174,8 @@ func parseConfig(configFile string) *Config {
 		k := strings.TrimSpace(kvp[0])
 		v := strings.TrimSpace(kvp[1])
 		switch k {
+		case "registrationSecret":
+			cfg.RegistrationSecret = v
 		case "mongoURI":
 			cfg.MongoURI = v
 		case "uploads":

main.go

@@ -6,6 +6,7 @@ import (
 	"hacklab.nilfm.cc/felt/config"
 	"hacklab.nilfm.cc/felt/gametable"
 	"hacklab.nilfm.cc/felt/mongodb"
+	"hacklab.nilfm.cc/felt/register"
 	"hacklab.nilfm.cc/quartzgun/indentalUserDB"
 	"log"
 	"net"
@@ -33,7 +34,8 @@ func run() error {
 	udb := indentalUserDB.CreateIndentalUserDB(
 		filepath.Join(config.GetConfigLocation(), "user.db"))
 
-	if cmd.ProcessCmd(os.Args, udb) {
+	crypto := &register.SymmetricCrypt{Secret: cfg.RegistrationSecret}
+	if cmd.ProcessCmd(os.Args, udb, crypto) {
 		os.Exit(0)
 	}
 

register/register.go

@@ -4,7 +4,7 @@ import (
 	"context"
 	"crypto/aes"
 	"crypto/cipher"
-	"encoding/base64"
+	"encoding/hex"
 	"html/template"
 	"net/http"
 
@@ -13,7 +13,7 @@ import (
 	"hacklab.nilfm.cc/quartzgun/router"
 )
 
-var bytes = []byte{99, 207, 33, 57, 28, 01, 50, 76, 01}
+var bytes = []byte{99, 207, 33, 57, 28, 01, 50, 76, 01, 92, 33, 10, 48, 07, 00, 250}
 
 type SymmetricCrypto interface {
 	Encode(b []byte) string
@@ -27,11 +27,11 @@ type SymmetricCrypt struct {
 }
 
 func (self *SymmetricCrypt) Encode(b []byte) string {
-	return base64.StdEncoding.EncodeToString(b)
+	return hex.EncodeToString(b)
 }
 
 func (self *SymmetricCrypt) Decode(s string) []byte {
-	data, err := base64.StdEncoding.DecodeString(s)
+	data, err := hex.DecodeString(s)
 	if err != nil {
 		panic(err)
 	}
@@ -64,7 +64,9 @@ func (self *SymmetricCrypt) Decrypt(text string) (string, error) {
 
 func WithCrypto(next http.Handler, crypto SymmetricCrypto) http.Handler {
 	handlerFunc := func(w http.ResponseWriter, req *http.Request) {
-		*req = *req.WithContext(context.WithValue(req.Context(), "crypto", crypto))
+		//urlParams := req.Context().Value("params").(map[string]string)
+		//cipher := urlParams["cipher"]
+
 		next.ServeHTTP(w, req)
 	}