initial commit

proto.go

@@ -0,0 +1,34 @@
+package main
+
+import (
+	"os"
+	"strconv"
+)
+
+const (
+	defaultAddr     = "127.0.0.1:7777"
+	defaultMaxSize  = 100 << 20 // 100 MiB
+	tokenHeader     = "X-Open-Token"
+	fileNameHeader  = "X-Open-Filename"
+	pathHeaderField = "X-Open-Host-Path"
+)
+
+func envAddr() string {
+	if v := os.Getenv("OPEN_PROXY_ADDR"); v != "" {
+		return v
+	}
+	return defaultAddr
+}
+
+func envToken() string {
+	return os.Getenv("OPEN_PROXY_TOKEN")
+}
+
+func envMaxSize() int64 {
+	if v := os.Getenv("OPEN_PROXY_MAXSIZE"); v != "" {
+		if n, err := strconv.ParseInt(v, 10, 64); err == nil && n > 0 {
+			return n
+		}
+	}
+	return defaultMaxSize
+}