mihomo/adapter/provider/vehicle.go
2021-06-10 14:05:56 +08:00

123 lines
2.0 KiB
Go

package provider
import (
"context"
"io/ioutil"
"net/http"
"net/url"
"time"
"github.com/Dreamacro/clash/component/dialer"
)
// Vehicle Type
const (
File VehicleType = iota
HTTP
Compatible
)
// VehicleType defined
type VehicleType int
func (v VehicleType) String() string {
switch v {
case File:
return "File"
case HTTP:
return "HTTP"
case Compatible:
return "Compatible"
default:
return "Unknown"
}
}
type Vehicle interface {
Read() ([]byte, error)
Path() string
Type() VehicleType
}
type FileVehicle struct {
path string
}
func (f *FileVehicle) Type() VehicleType {
return File
}
func (f *FileVehicle) Path() string {
return f.path
}
func (f *FileVehicle) Read() ([]byte, error) {
return ioutil.ReadFile(f.path)
}
func NewFileVehicle(path string) *FileVehicle {
return &FileVehicle{path: path}
}
type HTTPVehicle struct {
url string
path string
}
func (h *HTTPVehicle) Type() VehicleType {
return HTTP
}
func (h *HTTPVehicle) Path() string {
return h.path
}
func (h *HTTPVehicle) Read() ([]byte, error) {
ctx, cancel := context.WithTimeout(context.Background(), time.Second*20)
defer cancel()
uri, err := url.Parse(h.url)
if err != nil {
return nil, err
}
req, err := http.NewRequest(http.MethodGet, uri.String(), nil)
if err != nil {
return nil, err
}
if user := uri.User; user != nil {
password, _ := user.Password()
req.SetBasicAuth(user.Username(), password)
}
req = req.WithContext(ctx)
transport := &http.Transport{
// from http.DefaultTransport
MaxIdleConns: 100,
IdleConnTimeout: 90 * time.Second,
TLSHandshakeTimeout: 10 * time.Second,
ExpectContinueTimeout: 1 * time.Second,
DialContext: dialer.DialContext,
}
client := http.Client{Transport: transport}
resp, err := client.Do(req)
if err != nil {
return nil, err
}
defer resp.Body.Close()
buf, err := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, err
}
return buf, nil
}
func NewHTTPVehicle(url string, path string) *HTTPVehicle {
return &HTTPVehicle{url, path}
}