mirror of
https://github.com/v2fly/v2ray-core.git
synced 2024-09-11 06:24:21 -04:00
100 lines
2.1 KiB
Go
100 lines
2.1 KiB
Go
package jsonem
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import (
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"bytes"
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"io"
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"io/ioutil"
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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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"v2ray.com/core"
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"v2ray.com/core/common"
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"v2ray.com/core/common/buf"
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"v2ray.com/core/common/cmdarg"
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"v2ray.com/core/infra/conf"
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"v2ray.com/core/infra/conf/serial"
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)
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func init() {
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common.Must(core.RegisterConfigLoader(&core.ConfigFormat{
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Name: "JSON",
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Extension: []string{"json"},
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Loader: func(input interface{}) (*core.Config, error) {
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switch v := input.(type) {
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case cmdarg.Arg:
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cf := &conf.Config{}
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for _, arg := range v {
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newError("Reading config: ", arg).AtInfo().WriteToLog()
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r, err := LoadArg(arg)
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common.Must(err)
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c, err := serial.DecodeJSONConfig(r)
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common.Must(err)
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cf.Override(c, arg)
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}
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return cf.Build()
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case io.Reader:
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return serial.LoadJSONConfig(v)
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default:
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return nil, newError("unknow type")
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}
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},
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}))
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}
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func LoadArg(arg string) (out io.Reader, err error) {
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var data []byte
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if strings.HasPrefix(arg, "http://") || strings.HasPrefix(arg, "https://") {
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data, err = FetchHTTPContent(arg)
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} else if arg == "stdin:" {
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data, err = ioutil.ReadAll(os.Stdin)
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} else {
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data, err = ioutil.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, newError("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, newError("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, newError("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, newError("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, newError("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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