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Code Issues Releases Activity

Merge pull request #4275 from flycash/fix-4224

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add MaxUploadFile to provide more safety uploading controll
This commit is contained in:
Ming Deng 2020-10-21 10:04:32 +08:00 committed by GitHub
commit 03ba495b7f
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3 changed files with 23 additions and 10 deletions
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7
server/web/config.go
View File

@ -43,7 +43,11 @@ type Config struct {
RecoverFunc func(*context.Context, *Config)
CopyRequestBody bool
EnableGzip bool
// MaxMemory and MaxUploadSize are used to limit the request body
// if the request is not uploading file, MaxMemory is the max size of request body
// if the request is uploading file, MaxUploadSize is the max size of request body
MaxMemory int64
MaxUploadSize int64
EnableErrorsShow bool
EnableErrorsRender bool
Listen Listen
@ -215,6 +219,7 @@ func newBConfig() *Config {
CopyRequestBody: false,
EnableGzip: false,
MaxMemory: 1 << 26, // 64MB
MaxUploadSize: 1 << 30, // 1GB
EnableErrorsShow: true,
EnableErrorsRender: true,
Listen: Listen{
@ -302,7 +307,7 @@ func assignConfig(ac config.Configer) error {
err := ac.Unmarshaler("", BConfig)
if err != nil {
_, _ = fmt.Fprintln(os.Stderr, fmt.Sprintf("Unmarshaler config file to BConfig failed. " +
_, _ = fmt.Fprintln(os.Stderr, fmt.Sprintf("Unmarshaler config file to BConfig failed. "+
"And if you are working on v1.x config file, please ignore this, err: %s", err))
return err
}

3
server/web/context/input.go
View File

@ -423,8 +423,7 @@ func (input *BeegoInput) SetData(key, val interface{}) {
// ParseFormOrMultiForm parseForm or parseMultiForm based on Content-type
func (input *BeegoInput) ParseFormOrMultiForm(maxMemory int64) error {
// Parse the body depending on the content type.
input.Context.Request.Body = http.MaxBytesReader(input.Context.ResponseWriter, input.Context.Request.Body, maxMemory)
if strings.Contains(input.Header("Content-Type"), "multipart/form-data") {
if input.IsUpload() {
if err := input.Context.Request.ParseMultipartForm(maxMemory); err != nil {
return errors.New("Error parsing request body:" + err.Error())
}

11
server/web/router.go
View File

@ -710,7 +710,12 @@ func (p *ControllerRegister) serveHttp(ctx *beecontext.Context) {
}
if r.Method != http.MethodGet && r.Method != http.MethodHead {
if p.cfg.CopyRequestBody && !ctx.Input.IsUpload() {
if ctx.Input.IsUpload() {
ctx.Input.Context.Request.Body = http.MaxBytesReader(ctx.Input.Context.ResponseWriter,
ctx.Input.Context.Request.Body,
p.cfg.MaxUploadSize)
} else if p.cfg.CopyRequestBody {
// connection will close if the incoming data are larger (RFC 7231, 6.5.11)
if r.ContentLength > p.cfg.MaxMemory {
logs.Error(errors.New("payload too large"))
@ -718,6 +723,10 @@ func (p *ControllerRegister) serveHttp(ctx *beecontext.Context) {
goto Admin
}
ctx.Input.CopyBody(p.cfg.MaxMemory)
} else {
ctx.Input.Context.Request.Body = http.MaxBytesReader(ctx.Input.Context.ResponseWriter,
ctx.Input.Context.Request.Body,
p.cfg.MaxMemory)
}
err = ctx.Input.ParseFormOrMultiForm(p.cfg.MaxMemory)