First commit!

server/utils/utils.go

@@ -0,0 +1,30 @@
+package utils
+
+import (
+	"crypto/rand"
+	"fmt"
+	"log"
+	"os"
+)
+
+// FileExists returns true if a file exists at the path
+func FileExists(path string) bool {
+	_, err := os.Stat(path)
+	if os.IsNotExist(err) {
+		return false
+	}
+	return err == nil
+}
+
+// CreateGUID returns a random GUID
+func CreateGUID() string {
+	b := make([]byte, 16)
+	_, err := rand.Read(b)
+	if err != nil {
+		log.Fatal(err)
+	}
+	uuid := fmt.Sprintf("%x-%x-%x-%x-%x",
+		b[0:4], b[4:6], b[6:8], b[8:10], b[10:])
+
+	return uuid
+}