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kratos/middleware/validate/validate.go

26 lines
591 B

package validate
import (
"context"
"github.com/go-kratos/kratos/v2/errors"
"github.com/go-kratos/kratos/v2/middleware"
)
type validator interface {
Validate() error
}
// Validator is a validator middleware.
func Validator() middleware.Middleware {
return func(handler middleware.Handler) middleware.Handler {
return func(ctx context.Context, req interface{}) (reply interface{}, err error) {
if v, ok := req.(validator); ok {
if err := v.Validate(); err != nil {
return nil, errors.BadRequest("validator", err.Error())
}
}
return handler(ctx, req)
}
}
}