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Store our own keys in the keydb (#853)

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* Store our own keys in the keydb

The DirectKeyFetcher makes the assumption that you can always reach the key/v2/server endpoint of any server, including our own. We previously haven't bothered to store our own keys in the keydb so this would mean we end up making key requests to ourselves.

In the libp2p world as an example, self-dialling is not possible, therefore this would render it impossible to get our own keys.

This commit adds our own keys into the keydb so that we don't create unnecessarily (and maybe impossible) requests.

* Use golang.org/x/crypto/ed25519 instead of crypto/ed25519 for pre-Go 1.13
This commit is contained in:
Neil Alexander 2020-01-25 14:12:52 +00:00 • committed by GitHub
parent 37d117f2b7
commit 2cb7c91c5d
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5 changed files with 56 additions and 384 deletions
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9
common/basecomponent/base.go
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@ -19,6 +19,8 @@ import (
"io"
"net/http"
"golang.org/x/crypto/ed25519"
"github.com/matrix-org/dendrite/common/keydb"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/naffka"
@ -139,7 +141,12 @@ func (b *BaseDendrite) CreateAccountsDB() *accounts.Database {
// CreateKeyDB creates a new instance of the key database. Should only be called
// once per component.
func (b *BaseDendrite) CreateKeyDB() keydb.Database {
db, err := keydb.NewDatabase(string(b.Cfg.Database.ServerKey))
db, err := keydb.NewDatabase(
string(b.Cfg.Database.ServerKey),
b.Cfg.Matrix.ServerName,
b.Cfg.Matrix.PrivateKey.Public().(ed25519.PublicKey),
b.Cfg.Matrix.KeyID,
)
if err != nil {
logrus.WithError(err).Panicf("failed to connect to keys db")
}