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-rw-r--r--modules/caddyhttp/encode/brotli/brotli.go51
1 files changed, 51 insertions, 0 deletions
diff --git a/modules/caddyhttp/encode/brotli/brotli.go b/modules/caddyhttp/encode/brotli/brotli.go
new file mode 100644
index 0000000..3289f0c
--- /dev/null
+++ b/modules/caddyhttp/encode/brotli/brotli.go
@@ -0,0 +1,51 @@
+package caddybrotli
+
+import (
+ "fmt"
+
+ "github.com/andybalholm/brotli"
+ "github.com/caddyserver/caddy2"
+ "github.com/caddyserver/caddy2/modules/caddyhttp/encode"
+)
+
+func init() {
+ caddy2.RegisterModule(caddy2.Module{
+ Name: "http.encoders.brotli",
+ New: func() interface{} { return new(Brotli) },
+ })
+}
+
+// Brotli can create brotli encoders. Note that brotli
+// is not known for great encoding performance.
+type Brotli struct {
+ Quality *int `json:"quality,omitempty"`
+}
+
+// Validate validates b's configuration.
+func (b Brotli) Validate() error {
+ if b.Quality != nil {
+ quality := *b.Quality
+ if quality < brotli.BestSpeed {
+ return fmt.Errorf("quality too low; must be >= %d", brotli.BestSpeed)
+ }
+ if quality > brotli.BestCompression {
+ return fmt.Errorf("quality too high; must be <= %d", brotli.BestCompression)
+ }
+ }
+ return nil
+}
+
+// NewEncoder returns a new brotli writer.
+func (b Brotli) NewEncoder() encode.Encoder {
+ quality := brotli.DefaultCompression
+ if b.Quality != nil {
+ quality = *b.Quality
+ }
+ return brotli.NewWriterLevel(nil, quality)
+}
+
+// Interface guards
+var (
+ _ encode.Encoding = (*Brotli)(nil)
+ _ caddy2.Validator = (*Brotli)(nil)
+)