418 lines
8.8 KiB
Go
418 lines
8.8 KiB
Go
package convert
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import (
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"bytes"
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"encoding/base64"
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"encoding/json"
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"fmt"
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"net/url"
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"strings"
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)
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var enc = base64.StdEncoding
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func DecodeBase64(buf []byte) ([]byte, error) {
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dBuf := make([]byte, enc.DecodedLen(len(buf)))
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n, err := enc.Decode(dBuf, buf)
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if err != nil {
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return nil, err
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}
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return dBuf[:n], nil
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}
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// DecodeBase64StringToString decode base64 string to string
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func DecodeBase64StringToString(s string) (string, error) {
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dBuf, err := enc.DecodeString(s)
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if err != nil {
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return "", err
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}
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return string(dBuf), nil
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}
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// ConvertsV2Ray convert V2Ray subscribe proxies data to clash proxies config
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func ConvertsV2Ray(buf []byte) ([]map[string]any, error) {
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data, err := DecodeBase64(buf)
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if err != nil {
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data = buf
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}
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arr := strings.Split(string(data), "\n")
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proxies := make([]map[string]any, 0, len(arr))
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names := make(map[string]int, 200)
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for _, line := range arr {
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line = strings.TrimRight(line, " \r")
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if line == "" {
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continue
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}
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scheme, body, found := strings.Cut(line, "://")
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if !found {
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continue
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}
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scheme = strings.ToLower(scheme)
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switch scheme {
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case "trojan":
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urlTrojan, err := url.Parse(line)
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if err != nil {
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continue
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}
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q := urlTrojan.Query()
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name := uniqueName(names, urlTrojan.Fragment)
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trojan := make(map[string]any, 20)
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trojan["name"] = name
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trojan["type"] = scheme
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trojan["server"] = urlTrojan.Hostname()
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trojan["port"] = urlTrojan.Port()
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trojan["password"] = urlTrojan.User.Username()
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trojan["udp"] = true
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trojan["skip-cert-verify"] = false
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sni := q.Get("sni")
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if sni != "" {
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trojan["sni"] = sni
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}
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network := strings.ToLower(q.Get("type"))
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if network != "" {
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trojan["network"] = network
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}
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switch network {
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case "ws":
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headers := make(map[string]any)
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wsOpts := make(map[string]any)
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//headers["Host"] = RandHost()
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headers["User-Agent"] = RandUserAgent()
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wsOpts["path"] = q.Get("path")
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wsOpts["headers"] = headers
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trojan["ws-opts"] = wsOpts
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case "grpc":
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grpcOpts := make(map[string]any)
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grpcOpts["grpc-service-name"] = q.Get("serviceName")
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trojan["grpc-opts"] = grpcOpts
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}
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proxies = append(proxies, trojan)
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case "vless":
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urlVless, err := url.Parse(line)
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if err != nil {
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continue
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}
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q := urlVless.Query()
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name := uniqueName(names, urlVless.Fragment)
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vless := make(map[string]any, 20)
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vless["name"] = name
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vless["type"] = scheme
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vless["server"] = urlVless.Hostname()
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vless["port"] = urlVless.Port()
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vless["uuid"] = urlVless.User.Username()
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vless["udp"] = true
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vless["skip-cert-verify"] = false
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sni := q.Get("sni")
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if sni != "" {
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vless["servername"] = sni
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}
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flow := strings.ToLower(q.Get("flow"))
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if flow != "" {
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vless["flow"] = flow
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}
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network := strings.ToLower(q.Get("type"))
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if network != "" {
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if network == "tcp" {
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network = "http"
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}
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vless["network"] = network
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}
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switch network {
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case "http":
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headers := make(map[string]any)
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httpOpts := make(map[string]any)
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//headers["Host"] = RandHost()
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headers["User-Agent"] = RandUserAgent()
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httpOpts["method"] = q.Get("method")
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httpOpts["path"] = q.Get("path")
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httpOpts["headers"] = headers
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vless["http-opts"] = httpOpts
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case "h2":
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headers := make(map[string]any)
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h2Opts := make(map[string]any)
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//headers["Host"] = RandHost()
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headers["User-Agent"] = RandUserAgent()
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h2Opts["path"] = q.Get("path")
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h2Opts["headers"] = headers
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vless["h2-opts"] = h2Opts
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case "ws":
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headers := make(map[string]any)
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wsOpts := make(map[string]any)
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//headers["Host"] = RandHost()
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headers["User-Agent"] = RandUserAgent()
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wsOpts["path"] = q.Get("path")
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wsOpts["headers"] = headers
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vless["ws-opts"] = wsOpts
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case "grpc":
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grpcOpts := make(map[string]any)
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grpcOpts["grpc-service-name"] = q.Get("serviceName")
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vless["grpc-opts"] = grpcOpts
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}
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proxies = append(proxies, vless)
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case "vmess":
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dcBuf, err := enc.DecodeString(body)
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if err != nil {
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continue
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}
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jsonDc := json.NewDecoder(bytes.NewReader(dcBuf))
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values := make(map[string]any, 20)
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if jsonDc.Decode(&values) != nil {
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continue
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}
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name := uniqueName(names, values["ps"].(string))
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vmess := make(map[string]any, 20)
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vmess["name"] = name
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vmess["type"] = scheme
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vmess["server"] = values["add"]
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vmess["port"] = values["port"]
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vmess["uuid"] = values["id"]
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vmess["alterId"] = values["aid"]
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vmess["cipher"] = "auto"
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vmess["udp"] = true
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vmess["skip-cert-verify"] = false
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sni := values["sni"]
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if sni != "" {
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vmess["sni"] = sni
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}
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host := values["host"]
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network := strings.ToLower(values["net"].(string))
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vmess["network"] = network
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tls := strings.ToLower(values["tls"].(string))
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if tls != "" && tls != "0" && tls != "null" {
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if host != nil {
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vmess["servername"] = host
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}
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vmess["tls"] = true
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}
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switch network {
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case "http":
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headers := make(map[string]any)
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httpOpts := make(map[string]any)
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//headers["Host"] = RandHost()
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headers["User-Agent"] = RandUserAgent()
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httpOpts["method"] = values["method"]
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httpOpts["path"] = values["path"]
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httpOpts["headers"] = headers
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vmess["http-opts"] = httpOpts
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case "h2":
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headers := make(map[string]any)
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h2Opts := make(map[string]any)
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//headers["Host"] = RandHost()
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headers["User-Agent"] = RandUserAgent()
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h2Opts["path"] = values["path"]
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h2Opts["headers"] = headers
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vmess["h2-opts"] = h2Opts
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case "ws":
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headers := make(map[string]any)
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wsOpts := make(map[string]any)
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headers["Host"] = RandHost()
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headers["User-Agent"] = RandUserAgent()
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if values["path"] != nil {
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wsOpts["path"] = values["path"]
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}
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wsOpts["headers"] = headers
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vmess["ws-opts"] = wsOpts
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case "grpc":
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grpcOpts := make(map[string]any)
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grpcOpts["grpc-service-name"] = values["path"]
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vmess["grpc-opts"] = grpcOpts
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}
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proxies = append(proxies, vmess)
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case "ss":
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urlSS, err := url.Parse(line)
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if err != nil {
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continue
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}
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name := uniqueName(names, urlSS.Fragment)
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port := urlSS.Port()
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if port == "" {
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dcBuf, err := enc.DecodeString(urlSS.Host)
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if err != nil {
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continue
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}
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urlSS, err = url.Parse("ss://" + string(dcBuf))
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if err != nil {
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continue
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}
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}
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var (
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cipher = urlSS.User.Username()
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password string
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)
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if password, found = urlSS.User.Password(); !found {
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dcBuf, err := enc.DecodeString(cipher)
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if err != nil {
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continue
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}
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cipher, password, found = strings.Cut(string(dcBuf), ":")
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if !found {
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continue
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}
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}
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ss := make(map[string]any, 20)
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ss["name"] = name
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ss["type"] = scheme
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ss["server"] = urlSS.Hostname()
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ss["port"] = urlSS.Port()
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ss["cipher"] = cipher
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ss["password"] = password
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ss["udp"] = true
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proxies = append(proxies, ss)
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case "ssr":
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dcBuf, err := enc.DecodeString(body)
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if err != nil {
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continue
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}
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// ssr://host:port:protocol:method:obfs:urlsafebase64pass/?obfsparam=urlsafebase64&protoparam=&remarks=urlsafebase64&group=urlsafebase64&udpport=0&uot=1
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before, after, ok := strings.Cut(string(dcBuf), "/?")
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if !ok {
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continue
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}
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beforeArr := strings.Split(before, ":")
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if len(beforeArr) != 6 {
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continue
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}
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host := beforeArr[0]
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port := beforeArr[1]
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protocol := beforeArr[2]
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method := beforeArr[3]
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obfs := beforeArr[4]
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password := decodeUrlSafe(urlSafe(beforeArr[5]))
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query, err := url.ParseQuery(urlSafe(after))
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if err != nil {
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continue
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}
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remarks := decodeUrlSafe(query.Get("remarks"))
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name := uniqueName(names, remarks)
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obfsParam := decodeUrlSafe(query.Get("obfsparam"))
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protocolParam := query.Get("protoparam")
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ssr := make(map[string]any, 20)
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ssr["name"] = name
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ssr["type"] = scheme
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ssr["server"] = host
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ssr["port"] = port
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ssr["cipher"] = method
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ssr["password"] = password
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ssr["obfs"] = obfs
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ssr["protocol"] = protocol
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ssr["udp"] = true
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if obfsParam != "" {
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ssr["obfs-param"] = obfsParam
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}
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if protocolParam != "" {
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ssr["protocol-param"] = protocolParam
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}
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proxies = append(proxies, ssr)
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}
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}
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if len(proxies) == 0 {
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return nil, fmt.Errorf("convert v2ray subscribe error: format invalid")
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}
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return proxies, nil
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}
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func urlSafe(data string) string {
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return strings.ReplaceAll(strings.ReplaceAll(data, "+", "-"), "/", "_")
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}
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func decodeUrlSafe(data string) string {
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dcBuf, err := base64.URLEncoding.DecodeString(data)
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if err != nil {
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return ""
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}
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return string(dcBuf)
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}
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func uniqueName(names map[string]int, name string) string {
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if index, ok := names[name]; ok {
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index++
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names[name] = index
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name = name + "-" + fmt.Sprintf("%02d", index)
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} else {
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index = 0
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names[name] = index
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}
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return name
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}
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