mirror of
https://github.com/XTLS/Xray-core.git
synced 2024-11-18 04:53:02 +00:00
a994bf8b04
* chore: fix some errors detected by staticcheck * feat: remove `rand.Seed()` usage for possibly using "fastrand64" runtime to avoid locking ref: https://pkg.go.dev/math/rand#Seed
133 lines
3.1 KiB
Go
133 lines
3.1 KiB
Go
package api
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"fmt"
|
|
"io"
|
|
"net/http"
|
|
"net/url"
|
|
"os"
|
|
"reflect"
|
|
"strings"
|
|
"time"
|
|
|
|
"google.golang.org/grpc/credentials/insecure"
|
|
"google.golang.org/protobuf/encoding/protojson"
|
|
|
|
"github.com/xtls/xray-core/common/buf"
|
|
"github.com/xtls/xray-core/main/commands/base"
|
|
"google.golang.org/grpc"
|
|
"google.golang.org/protobuf/proto"
|
|
)
|
|
|
|
type serviceHandler func(ctx context.Context, conn *grpc.ClientConn, cmd *base.Command, args []string) string
|
|
|
|
var (
|
|
apiServerAddrPtr string
|
|
apiTimeout int
|
|
apiJSON bool
|
|
)
|
|
|
|
func setSharedFlags(cmd *base.Command) {
|
|
cmd.Flag.StringVar(&apiServerAddrPtr, "s", "127.0.0.1:8080", "")
|
|
cmd.Flag.StringVar(&apiServerAddrPtr, "server", "127.0.0.1:8080", "")
|
|
cmd.Flag.IntVar(&apiTimeout, "t", 3, "")
|
|
cmd.Flag.IntVar(&apiTimeout, "timeout", 3, "")
|
|
cmd.Flag.BoolVar(&apiJSON, "json", false, "")
|
|
}
|
|
|
|
func dialAPIServer() (conn *grpc.ClientConn, ctx context.Context, close func()) {
|
|
ctx, cancel := context.WithTimeout(context.Background(), time.Duration(apiTimeout)*time.Second)
|
|
conn, err := grpc.DialContext(ctx, apiServerAddrPtr, grpc.WithTransportCredentials(insecure.NewCredentials()), grpc.WithBlock())
|
|
if err != nil {
|
|
base.Fatalf("failed to dial %s", apiServerAddrPtr)
|
|
}
|
|
close = func() {
|
|
cancel()
|
|
conn.Close()
|
|
}
|
|
return
|
|
}
|
|
|
|
// loadArg loads one arg, maybe an remote url, or local file path
|
|
func loadArg(arg string) (out io.Reader, err error) {
|
|
var data []byte
|
|
switch {
|
|
case strings.HasPrefix(arg, "http://"), strings.HasPrefix(arg, "https://"):
|
|
data, err = fetchHTTPContent(arg)
|
|
|
|
case arg == "stdin:":
|
|
data, err = io.ReadAll(os.Stdin)
|
|
|
|
default:
|
|
data, err = os.ReadFile(arg)
|
|
}
|
|
|
|
if err != nil {
|
|
return
|
|
}
|
|
out = bytes.NewBuffer(data)
|
|
return
|
|
}
|
|
|
|
// fetchHTTPContent dials https for remote content
|
|
func fetchHTTPContent(target string) ([]byte, error) {
|
|
parsedTarget, err := url.Parse(target)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if s := strings.ToLower(parsedTarget.Scheme); s != "http" && s != "https" {
|
|
return nil, fmt.Errorf("invalid scheme: %s", parsedTarget.Scheme)
|
|
}
|
|
|
|
client := &http.Client{
|
|
Timeout: 30 * time.Second,
|
|
}
|
|
resp, err := client.Do(&http.Request{
|
|
Method: "GET",
|
|
URL: parsedTarget,
|
|
Close: true,
|
|
})
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to dial to %s", target)
|
|
}
|
|
defer resp.Body.Close()
|
|
|
|
if resp.StatusCode != 200 {
|
|
return nil, fmt.Errorf("unexpected HTTP status code: %d", resp.StatusCode)
|
|
}
|
|
|
|
content, err := buf.ReadAllToBytes(resp.Body)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to read HTTP response")
|
|
}
|
|
|
|
return content, nil
|
|
}
|
|
|
|
func protoToJSONString(m proto.Message, prefix, indent string) (string, error) {
|
|
return strings.TrimSpace(protojson.MarshalOptions{Indent: indent}.Format(m)), nil
|
|
}
|
|
|
|
func showJSONResponse(m proto.Message) {
|
|
if isNil(m) {
|
|
return
|
|
}
|
|
output, err := protoToJSONString(m, "", " ")
|
|
if err != nil {
|
|
fmt.Fprintf(os.Stdout, "%v\n", m)
|
|
base.Fatalf("error encode json: %s", err)
|
|
}
|
|
fmt.Println(output)
|
|
}
|
|
|
|
func isNil(i interface{}) bool {
|
|
vi := reflect.ValueOf(i)
|
|
if vi.Kind() == reflect.Ptr {
|
|
return vi.IsNil()
|
|
}
|
|
return i == nil
|
|
}
|