117 lines
2.3 KiB
Go
117 lines
2.3 KiB
Go
|
package gzip
|
||
|
|
|
||
|
|
import (
|
||
|
|
"compress/gzip"
|
||
|
|
"net/http"
|
||
|
|
"regexp"
|
||
|
|
"strings"
|
||
|
|
|
||
|
|
"github.com/gin-gonic/gin"
|
||
|
|
)
|
||
|
|
|
||
|
|
var (
|
||
|
|
DefaultExcludedExtentions = NewExcludedExtensions([]string{
|
||
|
|
".png", ".gif", ".jpeg", ".jpg",
|
||
|
|
})
|
||
|
|
DefaultOptions = &Options{
|
||
|
|
ExcludedExtensions: DefaultExcludedExtentions,
|
||
|
|
}
|
||
|
|
)
|
||
|
|
|
||
|
|
type Options struct {
|
||
|
|
ExcludedExtensions ExcludedExtensions
|
||
|
|
ExcludedPaths ExcludedPaths
|
||
|
|
ExcludedPathesRegexs ExcludedPathesRegexs
|
||
|
|
DecompressFn func(c *gin.Context)
|
||
|
|
}
|
||
|
|
|
||
|
|
type Option func(*Options)
|
||
|
|
|
||
|
|
func WithExcludedExtensions(args []string) Option {
|
||
|
|
return func(o *Options) {
|
||
|
|
o.ExcludedExtensions = NewExcludedExtensions(args)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func WithExcludedPaths(args []string) Option {
|
||
|
|
return func(o *Options) {
|
||
|
|
o.ExcludedPaths = NewExcludedPaths(args)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func WithExcludedPathsRegexs(args []string) Option {
|
||
|
|
return func(o *Options) {
|
||
|
|
o.ExcludedPathesRegexs = NewExcludedPathesRegexs(args)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func WithDecompressFn(decompressFn func(c *gin.Context)) Option {
|
||
|
|
return func(o *Options) {
|
||
|
|
o.DecompressFn = decompressFn
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Using map for better lookup performance
|
||
|
|
type ExcludedExtensions map[string]bool
|
||
|
|
|
||
|
|
func NewExcludedExtensions(extensions []string) ExcludedExtensions {
|
||
|
|
res := make(ExcludedExtensions)
|
||
|
|
for _, e := range extensions {
|
||
|
|
res[e] = true
|
||
|
|
}
|
||
|
|
return res
|
||
|
|
}
|
||
|
|
|
||
|
|
func (e ExcludedExtensions) Contains(target string) bool {
|
||
|
|
_, ok := e[target]
|
||
|
|
return ok
|
||
|
|
}
|
||
|
|
|
||
|
|
type ExcludedPaths []string
|
||
|
|
|
||
|
|
func NewExcludedPaths(paths []string) ExcludedPaths {
|
||
|
|
return ExcludedPaths(paths)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (e ExcludedPaths) Contains(requestURI string) bool {
|
||
|
|
for _, path := range e {
|
||
|
|
if strings.HasPrefix(requestURI, path) {
|
||
|
|
return true
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return false
|
||
|
|
}
|
||
|
|
|
||
|
|
type ExcludedPathesRegexs []*regexp.Regexp
|
||
|
|
|
||
|
|
func NewExcludedPathesRegexs(regexs []string) ExcludedPathesRegexs {
|
||
|
|
result := make([]*regexp.Regexp, len(regexs))
|
||
|
|
for i, reg := range regexs {
|
||
|
|
result[i] = regexp.MustCompile(reg)
|
||
|
|
}
|
||
|
|
return result
|
||
|
|
}
|
||
|
|
|
||
|
|
func (e ExcludedPathesRegexs) Contains(requestURI string) bool {
|
||
|
|
for _, reg := range e {
|
||
|
|
if reg.MatchString(requestURI) {
|
||
|
|
return true
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return false
|
||
|
|
}
|
||
|
|
|
||
|
|
func DefaultDecompressHandle(c *gin.Context) {
|
||
|
|
if c.Request.Body == nil {
|
||
|
|
return
|
||
|
|
}
|
||
|
|
r, err := gzip.NewReader(c.Request.Body)
|
||
|
|
if err != nil {
|
||
|
|
_ = c.AbortWithError(http.StatusBadRequest, err)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
c.Request.Header.Del("Content-Encoding")
|
||
|
|
c.Request.Header.Del("Content-Length")
|
||
|
|
c.Request.Body = r
|
||
|
|
}
|