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store_options.go
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store_options.go
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package bertyprotocol
import (
"encoding/hex"
"fmt"
"berty.tech/berty/v2/go/internal/cryptoutil"
"berty.tech/berty/v2/go/pkg/errcode"
"berty.tech/berty/v2/go/pkg/protocoltypes"
"berty.tech/go-ipfs-log/enc"
"berty.tech/go-ipfs-log/identityprovider"
orbitdb "berty.tech/go-orbit-db"
"berty.tech/go-orbit-db/accesscontroller"
)
func DefaultOrbitDBOptions(g *protocoltypes.Group, options *orbitdb.CreateDBOptions, keystore *BertySignedKeyStore, storeType string, groupOpenMode GroupOpenMode) (*orbitdb.CreateDBOptions, error) {
var err error
if options == nil {
options = &orbitdb.CreateDBOptions{}
}
options = &orbitdb.CreateDBOptions{
Directory: options.Directory,
Overwrite: options.Overwrite,
LocalOnly: options.LocalOnly,
StoreType: options.StoreType,
AccessControllerAddress: options.AccessControllerAddress,
AccessController: options.AccessController,
Replicate: options.Replicate,
Cache: options.Cache,
}
t := true
options.Create = &t
if options.AccessController == nil {
options.AccessController, err = defaultACForGroup(g, storeType)
if err != nil {
return nil, errcode.TODO.Wrap(err)
}
}
updateKey, err := cryptoutil.GetLinkKeyArray(g)
if err != nil {
return nil, errcode.ErrInvalidInput.Wrap(fmt.Errorf("unable to get an updates key for group: %w", err))
}
if updateKey != nil {
options.SharedKey, err = enc.NewSecretbox(updateKey[:])
if err != nil {
return nil, errcode.ErrInternal.Wrap(err)
}
}
options.Keystore = keystore
if groupOpenMode != GroupOpenModeReplicate {
options.Identity, err = defaultIdentityForGroup(g, keystore)
if err != nil {
return nil, errcode.TODO.Wrap(err)
}
} else {
options.Identity, err = readIdentityForGroup(g, keystore)
if err != nil {
return nil, errcode.TODO.Wrap(err)
}
}
return options, nil
}
func defaultACForGroup(g *protocoltypes.Group, storeType string) (accesscontroller.ManifestParams, error) {
groupID := g.GroupIDAsString()
sigPK, err := g.GetSigningPubKey()
if err != nil {
return nil, errcode.TODO.Wrap(err)
}
signingKeyBytes, err := sigPK.Raw()
if err != nil {
return nil, errcode.TODO.Wrap(err)
}
access := map[string][]string{
"write": {hex.EncodeToString(signingKeyBytes)},
identityGroupIDKey: {groupID},
storeTypeKey: {storeType},
}
address, err := simpleAccessControllerCID(access)
if err != nil {
return nil, err
}
param := &accesscontroller.CreateAccessControllerOptions{
Access: access,
SkipManifest: true,
Type: "bertysimple",
Address: address,
}
return param, nil
}
func defaultIdentityForGroup(g *protocoltypes.Group, ks *BertySignedKeyStore) (*identityprovider.Identity, error) {
sigPK, err := g.GetSigningPubKey()
if err != nil {
return nil, errcode.TODO.Wrap(err)
}
signingKeyBytes, err := sigPK.Raw()
if err != nil {
return nil, errcode.TODO.Wrap(err)
}
identity, err := ks.getIdentityProvider().createIdentity(&identityprovider.CreateIdentityOptions{
Type: identityType,
Keystore: ks,
ID: hex.EncodeToString(signingKeyBytes),
})
if err != nil {
return nil, errcode.TODO.Wrap(err)
}
return identity, nil
}
func readIdentityForGroup(g *protocoltypes.Group, ks *BertySignedKeyStore) (*identityprovider.Identity, error) {
sigPK, err := g.GetSigningPubKey()
if err != nil {
return nil, errcode.TODO.Wrap(err)
}
signingKeyBytes, err := sigPK.Raw()
if err != nil {
return nil, errcode.TODO.Wrap(err)
}
return &identityprovider.Identity{
ID: hex.EncodeToString(signingKeyBytes),
PublicKey: g.PublicKey,
Signatures: &identityprovider.IdentitySignature{},
Type: ks.getIdentityProvider().GetType(),
Provider: ks.getIdentityProvider(),
}, nil
}