authentication! oauth2!

1 files changed, 19 insertions, 0 deletions

diff --git a/utils/RandomId.go b/utils/RandomId.go
new file mode 100644
index 0000000..09f089d
--- /dev/null
+++ b/utils/RandomId.go
@@ -0,0 +1,19 @@
+package utils
+
+import (
+	"crypto/rand"
+	"fmt"
+)
+
+func RandomId() string {
+	uuid := make([]byte, 16)
+	_, err := rand.Read(uuid)
+	if err != nil {
+		panic(err)
+	}
+
+	uuid[8] = uuid[8]&^0xc0 | 0x80
+	uuid[6] = uuid[6]&^0xf0 | 0x40
+
+	return fmt.Sprintf("%x-%x-%x-%x-%x", uuid[0:4], uuid[4:6], uuid[6:8], uuid[8:10], uuid[10:])
+}