mirror of https://github.com/v2ray/v2ray-core
47 lines
1.1 KiB
Go
47 lines
1.1 KiB
Go
package blackhole
|
|
|
|
import (
|
|
"v2ray.com/core/common"
|
|
"v2ray.com/core/common/buf"
|
|
"v2ray.com/core/common/serial"
|
|
)
|
|
|
|
const (
|
|
http403response = `HTTP/1.1 403 Forbidden
|
|
Connection: close
|
|
Cache-Control: max-age=3600, public
|
|
Content-Length: 0
|
|
|
|
|
|
`
|
|
)
|
|
|
|
// ResponseConfig is the configuration for blackhole responses.
|
|
type ResponseConfig interface {
|
|
// WriteTo writes predefined response to the give buffer.
|
|
WriteTo(buf.Writer)
|
|
}
|
|
|
|
// WriteTo implements ResponseConfig.WriteTo().
|
|
func (*NoneResponse) WriteTo(buf.Writer) {}
|
|
|
|
// WriteTo implements ResponseConfig.WriteTo().
|
|
func (*HTTPResponse) WriteTo(writer buf.Writer) {
|
|
b := buf.NewLocal(512)
|
|
common.Must(b.AppendSupplier(serial.WriteString(http403response)))
|
|
writer.WriteMultiBuffer(buf.NewMultiBufferValue(b))
|
|
}
|
|
|
|
// GetInternalResponse converts response settings from proto to internal data structure.
|
|
func (c *Config) GetInternalResponse() (ResponseConfig, error) {
|
|
if c.GetResponse() == nil {
|
|
return new(NoneResponse), nil
|
|
}
|
|
|
|
config, err := c.GetResponse().GetInstance()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return config.(ResponseConfig), nil
|
|
}
|