feat: hCaptcha middleware

internal/net/gphttp/middleware/captcha/provider.go

@@ -0,0 +1,21 @@
+package captcha
+
+import (
+	"net/http"
+	"time"
+
+	"github.com/yusing/go-proxy/internal/gperr"
+)
+
+type Provider interface {
+	CSPDirectives() []string
+	CSPSources() []string
+	Verify(r *http.Request) error
+	SessionExpiry() time.Duration
+	ScriptHTML() string
+	FormHTML() string
+}
+
+var (
+	ErrCaptchaVerificationFailed = gperr.New("captcha verification failed")
+)