refactor(captcha): update Cap to 2.0.0 (#2573)

* refactor(captcha): update Cap backend to 2.0.0 API format

* feat(captcha): add Cap version config for 1.x/2.x compatibility

* fix(captcha): change Cap default version to 1.x for backward compatibility

* refactor(captcha): remove Cap 1.x compatibility, keep only 2.x support

* feat(captcha): update field names to Cap 2.0 standard - Site Key and Secret Key

* fix(captcha): update Cap field names in defaults configuration

inventory/setting.go

@@ -393,8 +393,8 @@ var DefaultSettings = map[string]string{
 	"captcha_turnstile_site_key":                 "",
 	"captcha_turnstile_site_secret":              "",
 	"captcha_cap_instance_url":                   "",
-	"captcha_cap_key_id":                         "",
-	"captcha_cap_key_secret":                     "",
+	"captcha_cap_site_key":                       "",
+	"captcha_cap_secret_key":                     "",
 	"thumb_width":                                "400",
 	"thumb_height":                               "300",
 	"thumb_entity_suffix":                        "._thumb",

middleware/captcha.go

@@ -3,6 +3,12 @@ package middleware
 import (
 	"bytes"
 	"encoding/json"
+	"io"
+	"net/http"
+	"net/url"
+	"strings"
+	"time"
+
 	"github.com/cloudreve/Cloudreve/v4/application/dependency"
 	"github.com/cloudreve/Cloudreve/v4/pkg/logging"
 	"github.com/cloudreve/Cloudreve/v4/pkg/recaptcha"
@@ -11,11 +17,6 @@ import (
 	"github.com/cloudreve/Cloudreve/v4/pkg/setting"
 	"github.com/gin-gonic/gin"
 	"github.com/mojocn/base64Captcha"
-	"io"
-	"net/http"
-	"net/url"
-	"strings"
-	"time"
 )
 
 type req struct {
@@ -133,7 +134,7 @@ func CaptchaRequired(enabled func(c *gin.Context) bool) gin.HandlerFunc {
 				break
 			case setting.CaptchaCap:
 				captchaSetting := settings.CapCaptcha(c)
-				if captchaSetting.InstanceURL == "" || captchaSetting.KeyID == "" || captchaSetting.KeySecret == "" {
+				if captchaSetting.InstanceURL == "" || captchaSetting.SiteKey == "" || captchaSetting.SecretKey == "" {
 					l.Warning("Cap verification failed: missing configuration")
 					c.JSON(200, serializer.ErrWithDetails(c, serializer.CodeCaptchaError, "Captcha configuration error", nil))
 					c.Abort()
@@ -146,9 +147,10 @@ func CaptchaRequired(enabled func(c *gin.Context) bool) gin.HandlerFunc {
 					request2.WithHeader(http.Header{"Content-Type": []string{"application/json"}}),
 				)
 
-				capEndpoint := strings.TrimSuffix(captchaSetting.InstanceURL, "/") + "/" + captchaSetting.KeyID + "/siteverify"
+				// Cap 2.0 API format: /{siteKey}/siteverify
+				capEndpoint := strings.TrimSuffix(captchaSetting.InstanceURL, "/") + "/" + captchaSetting.SiteKey + "/siteverify"
 				requestBody := map[string]string{
-					"secret":   captchaSetting.KeySecret,
+					"secret":   captchaSetting.SecretKey,
 					"response": service.Ticket,
 				}
 				requestData, err := json.Marshal(requestBody)

pkg/setting/provider.go

@@ -669,8 +669,8 @@ func (s *settingProvider) TurnstileCaptcha(ctx context.Context) *Turnstile {
 func (s *settingProvider) CapCaptcha(ctx context.Context) *Cap {
 	return &Cap{
 		InstanceURL: s.getString(ctx, "captcha_cap_instance_url", ""),
-		KeyID:       s.getString(ctx, "captcha_cap_key_id", ""),
-		KeySecret:   s.getString(ctx, "captcha_cap_key_secret", ""),
+		SiteKey:     s.getString(ctx, "captcha_cap_site_key", ""),
+		SecretKey:   s.getString(ctx, "captcha_cap_secret_key", ""),
 	}
 }
 

pkg/setting/types.go

@@ -50,8 +50,8 @@ type Turnstile struct {
 
 type Cap struct {
 	InstanceURL string
-	KeyID       string
-	KeySecret   string
+	SiteKey     string
+	SecretKey   string
 }
 
 type SMTP struct {

service/basic/site.go

@@ -30,7 +30,7 @@ type SiteConfig struct {
 	CaptchaType      setting.CaptchaType `json:"captcha_type,omitempty"`
 	TurnstileSiteID  string              `json:"turnstile_site_id,omitempty"`
 	CapInstanceURL   string              `json:"captcha_cap_instance_url,omitempty"`
-	CapKeyID         string              `json:"captcha_cap_key_id,omitempty"`
+	CapSiteKey       string              `json:"captcha_cap_site_key,omitempty"`
 	RegisterEnabled  bool                `json:"register_enabled,omitempty"`
 	TosUrl           string              `json:"tos_url,omitempty"`
 	PrivacyPolicyUrl string              `json:"privacy_policy_url,omitempty"`
@@ -137,7 +137,7 @@ func (s *GetSettingService) GetSiteConfig(c *gin.Context) (*SiteConfig, error) {
 		TurnstileSiteID: settings.TurnstileCaptcha(c).Key,
 		ReCaptchaKey:    reCaptcha.Key,
 		CapInstanceURL:  capCaptcha.InstanceURL,
-		CapKeyID:        capCaptcha.KeyID,
+		CapSiteKey:      capCaptcha.SiteKey,
 		AppPromotion:    appSetting.Promotion,
 	}, nil
 }