From 86fd9aa9a67c6a2fc74029d1e9bf42fe9907247d Mon Sep 17 00:00:00 2001
From: GoEdgeLab <goedgecloud@gmail.com>
Date: Fri, 30 Dec 2022 12:04:23 +0800
Subject: [PATCH] =?UTF-8?q?=E5=86=85=E5=AE=B9=E5=8E=8B=E7=BC=A9=E6=94=AF?=
 =?UTF-8?q?=E6=8C=81=E4=BE=8B=E5=A4=96=E6=89=A9=E5=B1=95=E5=90=8D?=
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---
 pkg/serverconfigs/http_compression_config.go | 30 +++++++++++++++++---
 1 file changed, 26 insertions(+), 4 deletions(-)

diff --git a/pkg/serverconfigs/http_compression_config.go b/pkg/serverconfigs/http_compression_config.go
index 6682d6e..85aad38 100644
--- a/pkg/serverconfigs/http_compression_config.go
+++ b/pkg/serverconfigs/http_compression_config.go
@@ -37,13 +37,15 @@ type HTTPCompressionConfig struct {
 	MaxLength            *shared.SizeCapacity           `yaml:"maxLength" json:"maxLength"`                       // 最大压缩对象
 	MimeTypes            []string                       `yaml:"mimeTypes" json:"mimeTypes"`                       // 支持的MimeType，支持image/*这样的通配符使用
 	Extensions           []string                       `yaml:"extensions" json:"extensions"`                     // 文件扩展名，包含点符号，不区分大小写
+	ExceptExtensions     []string                       `yaml:"exceptExtensions" json:"exceptExtensions"`         // 例外扩展名
 	Conds                *shared.HTTPRequestCondsConfig `yaml:"conds" json:"conds"`                               // 匹配条件
 	EnablePartialContent bool                           `yaml:"enablePartialContent" json:"enablePartialContent"` // 支持PartialContent压缩
 
-	minLength     int64
-	maxLength     int64
-	mimeTypeRules []*shared.MimeTypeRule
-	extensions    []string
+	minLength        int64
+	maxLength        int64
+	mimeTypeRules    []*shared.MimeTypeRule
+	extensions       []string
+	exceptExtensions []string
 
 	types []HTTPCompressionType
 
@@ -89,6 +91,15 @@ func (this *HTTPCompressionConfig) Init() error {
 		this.extensions = append(this.extensions, ext)
 	}
 
+	this.exceptExtensions = []string{}
+	for _, ext := range this.ExceptExtensions {
+		ext = strings.ToLower(ext)
+		if len(ext) > 0 && ext[0] != '.' {
+			ext = "." + ext
+		}
+		this.exceptExtensions = append(this.exceptExtensions, ext)
+	}
+
 	if this.Gzip != nil {
 		err := this.Gzip.Init()
 		if err != nil {
@@ -174,6 +185,17 @@ func (this *HTTPCompressionConfig) MatchResponse(mimeType string, contentLength
 		return false
 	}
 
+	// except extensions
+	if len(this.exceptExtensions) > 0 {
+		if len(requestExt) > 0 {
+			for _, ext := range this.exceptExtensions {
+				if ext == requestExt {
+					return false
+				}
+			}
+		}
+	}
+
 	// extensions
 	if len(this.extensions) > 0 {
 		if len(requestExt) > 0 {