node build fixed

seanime-2.9.10/internal/util/user_agent.go

@@ -0,0 +1,77 @@
+package util
+
+import (
+	"bufio"
+	"encoding/json"
+	"math/rand"
+	"net/http"
+	"sync"
+	"time"
+
+	"github.com/rs/zerolog/log"
+)
+
+var (
+	userAgentList []string
+	uaMu          sync.RWMutex
+)
+
+func init() {
+	go func() {
+		defer func() {
+			if r := recover(); r != nil {
+				log.Warn().Msgf("util: Failed to get online user agents: %v", r)
+			}
+		}()
+
+		agents, err := getOnlineUserAgents()
+		if err != nil {
+			log.Warn().Err(err).Msg("util: Failed to get online user agents")
+			return
+		}
+
+		uaMu.Lock()
+		userAgentList = agents
+		uaMu.Unlock()
+	}()
+}
+
+func getOnlineUserAgents() ([]string, error) {
+	link := "https://raw.githubusercontent.com/fake-useragent/fake-useragent/refs/heads/main/src/fake_useragent/data/browsers.jsonl"
+
+	client := &http.Client{
+		Timeout: 10 * time.Second,
+	}
+	response, err := client.Get(link)
+	if err != nil {
+		return nil, err
+	}
+	defer response.Body.Close()
+
+	var agents []string
+	type UserAgent struct {
+		UserAgent string `json:"useragent"`
+	}
+
+	scanner := bufio.NewScanner(response.Body)
+	for scanner.Scan() {
+		line := scanner.Text()
+		var ua UserAgent
+		if err := json.Unmarshal([]byte(line), &ua); err != nil {
+			return nil, err
+		}
+		agents = append(agents, ua.UserAgent)
+	}
+
+	return agents, nil
+}
+
+func GetRandomUserAgent() string {
+	uaMu.RLock()
+	defer uaMu.RUnlock()
+
+	if len(userAgentList) > 0 {
+		return userAgentList[rand.Intn(len(userAgentList))]
+	}
+	return UserAgentList[rand.Intn(len(UserAgentList))]
+}