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[#125] Added exact eacl checking

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Signed-off-by: Denis Kirillov <denis@nspcc.ru>
This commit is contained in:
Denis Kirillov 2021-07-09 17:06:35 +03:00
parent e78543adf3
commit acc2cdd96c
1 changed files with 14 additions and 4 deletions
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18
api/layer/container.go
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@ -1,6 +1,7 @@
package layer
import (
"bytes"
"context"
"crypto/ecdsa"
"fmt"
@ -165,7 +166,7 @@ func (n *layer) setContainerEACL(ctx context.Context, cid *cid.ID, gateKey *keys
return err
}
if err := n.waitEACLPresence(ctx, cid, defaultWaitParams()); err != nil {
if err := n.waitEACLPresence(ctx, cid, table, defaultWaitParams()); err != nil {
return err
}
@ -205,7 +206,12 @@ func defaultWaitParams() *waitParams {
}
}
func (n *layer) waitEACLPresence(ctx context.Context, cid *cid.ID, params *waitParams) error {
func (n *layer) waitEACLPresence(ctx context.Context, cid *cid.ID, table *eacl.Table, params *waitParams) error {
exp, err := table.Marshal()
if err != nil {
return fmt.Errorf("couldn't marshal eacl: %w", err)
}
wctx, cancel := context.WithTimeout(ctx, params.WaitTimeout)
defer cancel()
ticker := time.NewTimer(params.PollInterval)
@ -219,8 +225,12 @@ func (n *layer) waitEACLPresence(ctx context.Context, cid *cid.ID, params *waitP
case <-wdone:
return wctx.Err()
case <-ticker.C:
if _, err := n.pool.GetEACL(ctx, cid); err == nil {
return nil
signedEacl, err := n.pool.GetEACL(ctx, cid)
if err == nil {
got, err := signedEacl.EACL().Marshal()
if err == nil && bytes.Equal(exp, got) {
return nil
}
}
ticker.Reset(params.PollInterval)
}