Files
EdgeCommon/pkg/serverconfigs/http_gzip_config.go
2020-09-16 09:09:31 +08:00

80 lines
2.1 KiB
Go
Raw Blame History

This file contains ambiguous Unicode characters
This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.
package serverconfigs
import (
"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/shared"
"regexp"
"strings"
)
// 默认的文件类型
var (
DefaultGzipMimeTypes = []string{"text/html", "application/json"}
)
// gzip配置
type HTTPGzipConfig struct {
Id int64 `yaml:"id" json:"id"` // ID
IsOn bool `yaml:"isOn" json:"isOn"` // 是否启用
Level int8 `yaml:"level" json:"level"` // 1-9
MinLength *shared.SizeCapacity `yaml:"minLength" json:"minLength"` // 最小压缩对象比如4m, 24k
MaxLength *shared.SizeCapacity `yaml:"minLength" json:"maxLength"` // 最大压缩对象 TODO 需要实现
MimeTypes []string `yaml:"mimeTypes" json:"mimeTypes"` // 比如text/html, text/* // TODO 需要实现可能需要用RequestConds替代
minLength int64
mimeTypes []*MimeTypeRule
}
// 校验
func (this *HTTPGzipConfig) Init() error {
if this.MinLength != nil {
this.minLength = this.MinLength.Bytes()
}
if len(this.MimeTypes) == 0 {
this.MimeTypes = DefaultGzipMimeTypes
}
this.mimeTypes = []*MimeTypeRule{}
for _, mimeType := range this.MimeTypes {
if strings.Contains(mimeType, "*") {
mimeType = regexp.QuoteMeta(mimeType)
mimeType = strings.Replace(mimeType, "\\*", ".*", -1)
reg, err := regexp.Compile("^" + mimeType + "$")
if err != nil {
return err
}
this.mimeTypes = append(this.mimeTypes, &MimeTypeRule{
Value: mimeType,
Regexp: reg,
})
} else {
this.mimeTypes = append(this.mimeTypes, &MimeTypeRule{
Value: mimeType,
Regexp: nil,
})
}
}
return nil
}
// 可压缩最小尺寸
func (this *HTTPGzipConfig) MinBytes() int64 {
return this.minLength
}
// 检查是否匹配Content-Type
func (this *HTTPGzipConfig) MatchContentType(contentType string) bool {
index := strings.Index(contentType, ";")
if index >= 0 {
contentType = contentType[:index]
}
for _, mimeType := range this.mimeTypes {
if mimeType.Regexp == nil && contentType == mimeType.Value {
return true
} else if mimeType.Regexp != nil && mimeType.Regexp.MatchString(contentType) {
return true
}
}
return false
}