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don't reprovide inssecure hashes

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License: MIT
Signed-off-by: Jakub Sztandera <kubuxu@protonmail.ch>
This commit is contained in:
Jakub Sztandera 2018-03-05 02:58:08 +01:00
parent 60018d3ee8
commit 45272790a2
1 changed files with 7 additions and 0 deletions
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7
exchange/reprovide/reprovide.go
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@ -5,6 +5,8 @@ import (
"fmt"
"time"
"github.com/ipfs/go-ipfs/thirdparty/verifcid"
backoff "gx/ipfs/QmPJUtEJsm5YLUWhF6imvyCH8KZXRJa9Wup7FDMwTy5Ufz/backoff"
logging "gx/ipfs/QmRb5jh8z2E8hMGN2tkvs1yHynUanqnZ3UeKwgN1i9P1F8/go-log"
routing "gx/ipfs/QmTiWLZ6Fo5j4KcTVutZJ5KWRRJrbxzmxA4td8NfEdrPh7/go-libp2p-routing"
@ -83,6 +85,11 @@ func (rp *Reprovider) Reprovide() error {
return fmt.Errorf("Failed to get key chan: %s", err)
}
for c := range keychan {
// hash security
if err := verifcid.ValidateCid(c); err != nil {
log.Errorf("insecure hash in reprovider, %s (%s)", c, err)
continue
}
op := func() error {
err := rp.rsys.Provide(rp.ctx, c, true)
if err != nil {