/
sign_filter.go
57 lines (45 loc) · 1.04 KB
/
sign_filter.go
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package wallet
import (
"bytes"
"context"
"encoding/json"
"fmt"
"os/exec"
"github.com/filecoin-project/venus-wallet/config"
"github.com/filecoin-project/venus/venus-shared/types"
)
type ISignMsgFilter interface {
CheckSignMsg(ctx context.Context, signMsg SignMsg) error
}
type SignMsg struct {
SignType types.MsgType
Data interface{}
}
type SignFilter struct {
cfg *config.SignFilter
}
func NewSignFilter(cfg *config.SignFilter) *SignFilter {
return &SignFilter{cfg}
}
func (filter *SignFilter) CheckSignMsg(ctx context.Context, signMsg SignMsg) error {
if len(filter.cfg.Expr) == 0 {
return nil
}
j, err := json.MarshalIndent(signMsg, "", " ")
if err != nil {
return err
}
var out bytes.Buffer
c := exec.Command("sh", "-c", filter.cfg.Expr)
c.Stdin = bytes.NewReader(j)
c.Stdout = &out
c.Stderr = &out
switch err := c.Run().(type) {
case nil:
return nil
case *exec.ExitError:
return fmt.Errorf("run customer sign check fail (%s)", out.String())
default:
return fmt.Errorf("filter cmd run error %w", err)
}
}