From f5b4f268dc73078467f19faf6068cc8047cabc7f Mon Sep 17 00:00:00 2001
From: Matt Holt <mholt@users.noreply.github.com>
Date: Mon, 10 Jun 2019 10:21:25 -0600
Subject: Implement encode middleware (#2)
* Implement encode middleware
* Add missing break; and add missing JSON struct field tag
---
modules/caddyhttp/encode/gzip/gzip.go | 36 +++++++++++++++++++++++++++++++++++
1 file changed, 36 insertions(+)
create mode 100644 modules/caddyhttp/encode/gzip/gzip.go
(limited to 'modules/caddyhttp/encode/gzip')
diff --git a/modules/caddyhttp/encode/gzip/gzip.go b/modules/caddyhttp/encode/gzip/gzip.go
new file mode 100644
index 0000000..0da5fc3
--- /dev/null
+++ b/modules/caddyhttp/encode/gzip/gzip.go
@@ -0,0 +1,36 @@
+package caddygzip
+
+import (
+ "compress/flate"
+ "compress/gzip" // TODO: consider using https://github.com/klauspost/compress/gzip
+
+ "github.com/caddyserver/caddy2"
+ "github.com/caddyserver/caddy2/modules/caddyhttp/encode"
+)
+
+func init() {
+ caddy2.RegisterModule(caddy2.Module{
+ Name: "http.encoders.gzip",
+ New: func() interface{} { return new(Gzip) },
+ })
+}
+
+// Gzip can create gzip encoders.
+type Gzip struct {
+ Level int `json:"level,omitempty"`
+}
+
+// NewEncoder returns a new gzip writer.
+func (g Gzip) NewEncoder() encode.Encoder {
+ if g.Level <= flate.NoCompression {
+ g.Level = defaultGzipLevel
+ }
+ if g.Level > flate.BestCompression {
+ g.Level = flate.BestCompression
+ }
+ writer, _ := gzip.NewWriterLevel(nil, g.Level)
+ return writer
+}
+
+// Informed from http://blog.klauspost.com/gzip-performance-for-go-webservers/
+var defaultGzipLevel = 5
--
cgit v1.2.3