refactor(backend): service http ports

backend/internal/service/turnstile_service.go

@@ -2,14 +2,9 @@ package service
 
 import (
 	"context"
-	"encoding/json"
 	"errors"
 	"fmt"
 	"log"
-	"net/http"
-	"net/url"
-	"strings"
-	"time"
 )
 
 var (
@@ -19,10 +14,15 @@ var (
 
 const turnstileVerifyURL = "https://challenges.cloudflare.com/turnstile/v0/siteverify"
 
+// TurnstileVerifier 验证 Turnstile token 的接口
+type TurnstileVerifier interface {
+	VerifyToken(ctx context.Context, secretKey, token, remoteIP string) (*TurnstileVerifyResponse, error)
+}
+
 // TurnstileService Turnstile 验证服务
 type TurnstileService struct {
 	settingService *SettingService
-	httpClient     *http.Client
+	verifier       TurnstileVerifier
 }
 
 // TurnstileVerifyResponse Cloudflare Turnstile 验证响应
@@ -36,12 +36,10 @@ type TurnstileVerifyResponse struct {
 }
 
 // NewTurnstileService 创建 Turnstile 服务实例
-func NewTurnstileService(settingService *SettingService) *TurnstileService {
+func NewTurnstileService(settingService *SettingService, verifier TurnstileVerifier) *TurnstileService {
 	return &TurnstileService{
 		settingService: settingService,
-		httpClient: &http.Client{
-			Timeout: 10 * time.Second,
-		},
+		verifier:       verifier,
 	}
 }
 
@@ -66,35 +64,12 @@ func (s *TurnstileService) VerifyToken(ctx context.Context, token string, remote
 		return ErrTurnstileVerificationFailed
 	}
 
-	// 构建请求
-	formData := url.Values{}
-	formData.Set("secret", secretKey)
-	formData.Set("response", token)
-	if remoteIP != "" {
-		formData.Set("remoteip", remoteIP)
-	}
-
-	req, err := http.NewRequestWithContext(ctx, http.MethodPost, turnstileVerifyURL, strings.NewReader(formData.Encode()))
-	if err != nil {
-		return fmt.Errorf("create request: %w", err)
-	}
-	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
-
-	// 发送请求
 	log.Printf("[Turnstile] Verifying token for IP: %s", remoteIP)
-	resp, err := s.httpClient.Do(req)
+	result, err := s.verifier.VerifyToken(ctx, secretKey, token, remoteIP)
 	if err != nil {
 		log.Printf("[Turnstile] Request failed: %v", err)
 		return fmt.Errorf("send request: %w", err)
 	}
-	defer resp.Body.Close()
-
-	// 解析响应
-	var result TurnstileVerifyResponse
-	if err := json.NewDecoder(resp.Body).Decode(&result); err != nil {
-		log.Printf("[Turnstile] Failed to decode response: %v", err)
-		return fmt.Errorf("decode response: %w", err)
-	}
 
 	if !result.Success {
 		log.Printf("[Turnstile] Verification failed, error codes: %v", result.ErrorCodes)