[api] convert sub to Json

util/subToJson.go

@@ -0,0 +1,97 @@
+package util
+
+import (
+	"crypto/tls"
+	"encoding/json"
+	"io"
+	"net/http"
+	"strings"
+
+	"github.com/alireza0/s-ui/logger"
+	"github.com/alireza0/s-ui/util/common"
+)
+
+func GetExternalLink(url string) string {
+	tr := &http.Transport{
+		TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
+	}
+
+	client := &http.Client{Transport: tr}
+
+	response, err := client.Get(url)
+	if err != nil {
+		logger.Warning("sub: Error making HTTP request:", err)
+		return ""
+	}
+	defer response.Body.Close()
+
+	body, err := io.ReadAll(response.Body)
+	if err != nil {
+		logger.Warning("sub: Error reading response body:", err)
+		return ""
+	}
+
+	data := StrOrBase64Encoded(string(body))
+	return data
+}
+
+func GetExternalSub(url string) ([]map[string]interface{}, error) {
+	var err error
+	var result []map[string]interface{}
+
+	if len(url) == 0 {
+		return nil, common.NewError("no url")
+	}
+
+	data := GetExternalLink(url)
+	if len(data) == 0 {
+		return nil, common.NewError("no result")
+	}
+
+	// if the data is a JSON object
+	if strings.HasPrefix(data, "{") && strings.HasSuffix(data, "}") {
+		var jsonData map[string]interface{}
+		err = json.Unmarshal([]byte(data), &jsonData)
+		if err != nil {
+			logger.Warning("sub: Error unmarshalling JSON:", err)
+			return nil, err
+		}
+		outbounds, ok := jsonData["outbounds"].([]any)
+		if !ok {
+			logger.Warning("sub: Error getting outbounds:", err)
+			return nil, err
+		}
+		for _, outbound := range outbounds {
+			outboundMap, ok := outbound.(map[string]interface{})
+			if ok && len(outboundMap) > 0 {
+				oType, _ := outboundMap["type"].(string)
+				switch oType {
+				case "urltest":
+				case "direct":
+				case "selector":
+				case "block":
+					continue
+				default:
+					result = append(result, outboundMap)
+				}
+			}
+		}
+		if len(result) == 0 {
+			return nil, common.NewError("no result")
+		}
+		return result, nil
+	} else {
+		// if data is a text
+		links := strings.Split(data, "\n")
+		for _, link := range links {
+			linkToJson, _, err := GetOutbound(link, 0)
+			if err == nil {
+				result = append(result, *linkToJson)
+			}
+		}
+	}
+	if len(result) == 0 {
+		return nil, common.NewError("no result")
+	}
+	return result, nil
+}