From 4bbdb1b34d9f7e71c0faf6f1943e6bb4ce303af1 Mon Sep 17 00:00:00 2001
From: Mikhail Osipov <mike.osipov@gmail.com>
Date: Sun, 23 Feb 2020 16:01:23 +0300
Subject: make auth (chap)

---
 pkg/server/env/env.go | 26 ++++++++++++++++++++++----
 1 file changed, 22 insertions(+), 4 deletions(-)

(limited to 'pkg/server/env/env.go')

diff --git a/pkg/server/env/env.go b/pkg/server/env/env.go
index ab47ae8..affb4ef 100644
--- a/pkg/server/env/env.go
+++ b/pkg/server/env/env.go
@@ -15,7 +15,7 @@ type Env struct {
 	*env
 }
 
-const namePattern = "[a-zA-Z][a-zA-Z0-9]*"
+const namePattern = "[a-zA-Z][a-zA-Z0-9.]*"
 var isNamePattern = regexp.MustCompile("^" + namePattern + "$").MatchString
 var namePatternRe = regexp.MustCompile("@" + namePattern)
 
@@ -25,6 +25,26 @@ func New() Env {
 	return Env{new(env)}
 }
 
+func (e *env) init() {
+	if e.m == nil {
+		e.m = make(map[string]string)
+	}
+}
+
+func (e *env) Copy() Env {
+	c := New()
+
+	if len(e.m) > 0 {
+		c.init()
+
+		for k, v := range e.m {
+			c.m[k] = v
+		}
+	}
+
+	return c
+}
+
 func (e *env) Find(key string) (string, bool) {
 	e.Lock()
 	defer e.Unlock()
@@ -47,9 +67,7 @@ func (e *env) Set(key string, value string) error {
 	e.Lock()
 	defer e.Unlock()
 
-	if e.m == nil {
-		e.m = make(map[string]string)
-	}
+	e.init()
 
 	e.m[key] = value
 
-- 
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