mirror of https://github.com/XTLS/Xray-core
145 lines
3.3 KiB
Go
145 lines
3.3 KiB
Go
package external
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import (
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"bytes"
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"context"
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"net"
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"io"
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"net/http"
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"net/url"
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"os"
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"strings"
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"time"
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"github.com/xtls/xray-core/common/buf"
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"github.com/xtls/xray-core/common/errors"
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"github.com/xtls/xray-core/common/platform/ctlcmd"
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"github.com/xtls/xray-core/main/confloader"
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)
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func ConfigLoader(arg string) (out io.Reader, err error) {
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var data []byte
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switch {
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case strings.HasPrefix(arg, "http+unix://"):
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data, err = FetchUnixSocketHTTPContent(arg)
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case strings.HasPrefix(arg, "http://"), strings.HasPrefix(arg, "https://"):
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data, err = FetchHTTPContent(arg)
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case arg == "stdin:":
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data, err = io.ReadAll(os.Stdin)
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default:
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data, err = os.ReadFile(arg)
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}
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if err != nil {
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return
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}
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out = bytes.NewBuffer(data)
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return
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}
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func FetchHTTPContent(target string) ([]byte, error) {
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parsedTarget, err := url.Parse(target)
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if err != nil {
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return nil, errors.New("invalid URL: ", target).Base(err)
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}
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if s := strings.ToLower(parsedTarget.Scheme); s != "http" && s != "https" {
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return nil, errors.New("invalid scheme: ", parsedTarget.Scheme)
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}
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client := &http.Client{
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Timeout: 30 * time.Second,
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}
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resp, err := client.Do(&http.Request{
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Method: "GET",
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URL: parsedTarget,
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Close: true,
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})
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if err != nil {
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return nil, errors.New("failed to dial to ", target).Base(err)
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}
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defer resp.Body.Close()
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if resp.StatusCode != 200 {
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return nil, errors.New("unexpected HTTP status code: ", resp.StatusCode)
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}
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content, err := buf.ReadAllToBytes(resp.Body)
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if err != nil {
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return nil, errors.New("failed to read HTTP response").Base(err)
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}
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return content, nil
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}
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// Format: http+unix:///path/to/socket.sock/api/endpoint
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func FetchUnixSocketHTTPContent(target string) ([]byte, error) {
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path := strings.TrimPrefix(target, "http+unix://")
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if !strings.HasPrefix(path, "/") {
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return nil, errors.New("unix socket path must be absolute")
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}
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var socketPath, httpPath string
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sockIdx := strings.Index(path, ".sock")
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if sockIdx != -1 {
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socketPath = path[:sockIdx+5]
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httpPath = path[sockIdx+5:]
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if httpPath == "" {
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httpPath = "/"
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}
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} else {
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return nil, errors.New("cannot determine socket path, socket file should have .sock extension")
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}
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if _, err := os.Stat(socketPath); err != nil {
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return nil, errors.New("socket file not found: ", socketPath).Base(err)
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}
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client := &http.Client{
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Timeout: 30 * time.Second,
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Transport: &http.Transport{
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DialContext: func(ctx context.Context, _, _ string) (net.Conn, error) {
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var d net.Dialer
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return d.DialContext(ctx, "unix", socketPath)
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},
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},
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}
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defer client.CloseIdleConnections()
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resp, err := client.Get("http://localhost" + httpPath)
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if err != nil {
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return nil, errors.New("failed to fetch from unix socket: ", socketPath).Base(err)
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}
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defer resp.Body.Close()
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if resp.StatusCode != 200 {
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return nil, errors.New("unexpected HTTP status code: ", resp.StatusCode)
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}
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content, err := buf.ReadAllToBytes(resp.Body)
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if err != nil {
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return nil, errors.New("failed to read response").Base(err)
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}
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return content, nil
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}
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func ExtConfigLoader(files []string, reader io.Reader) (io.Reader, error) {
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buf, err := ctlcmd.Run(append([]string{"convert"}, files...), reader)
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if err != nil {
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return nil, err
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}
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return strings.NewReader(buf.String()), nil
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}
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func init() {
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confloader.EffectiveConfigFileLoader = ConfigLoader
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confloader.EffectiveExtConfigLoader = ExtConfigLoader
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}
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