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rename.go
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rename.go
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package teams
import (
"context"
"fmt"
"github.com/keybase/client/go/libkb"
"github.com/keybase/client/go/protocol/keybase1"
)
func RenameSubteam(ctx context.Context, g *libkb.GlobalContext, prevName keybase1.TeamName, newName keybase1.TeamName) error {
g.Log.CDebugf(ctx, "RenameSubteam %v -> %v", prevName, newName)
if prevName.IsRootTeam() {
return fmt.Errorf("cannot rename root team: %s", prevName.String())
}
if prevName.Depth() < 2 {
return fmt.Errorf("cannot rename team: '%v'", prevName)
}
if newName.Depth() != prevName.Depth() {
return fmt.Errorf("cannot change depth of team: %v (%v) -> %v (%v)",
prevName, prevName.Depth(), newName, newName.Depth())
}
parentName, err := prevName.Parent()
if err != nil {
return err
}
checkParentName, err := newName.Parent()
if err != nil {
// this should never happen
return fmt.Errorf("error checking new name: %v", err)
}
if !checkParentName.Eq(parentName) {
return fmt.Errorf("cannot rename teams with different parents: %v != %v", checkParentName, parentName)
}
if prevName.Eq(newName) {
return fmt.Errorf("cannot rename team without changing name")
}
g.Log.CDebugf(ctx, "RenameSubteam load teams: parent:'%v' subteam:'%v'",
parentName.String(), prevName.String())
parent, err := GetForTeamManagementByStringName(ctx, g, parentName.String(), true)
if err != nil {
return err
}
subteam, err := GetForTeamManagementByStringName(ctx, g, prevName.String(), false)
if err != nil {
return err
}
g.Log.CDebugf(ctx, "RenameSubteam load me")
me, err := libkb.LoadMe(libkb.NewLoadUserArg(g))
if err != nil {
return err
}
parent.me = me
subteam.me = me
deviceSigningKey, err := g.ActiveDevice.SigningKey()
if err != nil {
return err
}
admin, err := parent.getAdminPermission(ctx, true)
if err != nil {
return err
}
err = parent.ForceMerkleRootUpdate(ctx)
if err != nil {
return err
}
// Subteam renaming involves two links, one `rename_subteam` in the parent
// team's chain, and one `rename_up_pointer` in the subteam's chain.
g.Log.CDebugf(ctx, "RenameSubteam make sigs")
renameSubteamSig, err := generateRenameSubteamSigForParentChain(
g, me, deviceSigningKey, parent.chain(), subteam.ID, newName, admin)
if err != nil {
return err
}
renameUpPointerSig, err := generateRenameUpPointerSigForSubteamChain(
g, me, deviceSigningKey, chainPair{parent: parent.chain(), subteam: subteam.chain()}, newName, admin)
if err != nil {
return err
}
payload := make(libkb.JSONPayload)
payload["sigs"] = []interface{}{renameSubteamSig, renameUpPointerSig}
g.Log.CDebugf(ctx, "RenameSubteam post")
_, err = g.API.PostJSON(libkb.APIArg{
Endpoint: "sig/multi",
SessionType: libkb.APISessionTypeREQUIRED,
JSONPayload: payload,
})
if err != nil {
return err
}
go g.GetTeamLoader().NotifyTeamRename(ctx, subteam.ID, newName.String())
return nil
}
func generateRenameSubteamSigForParentChain(g *libkb.GlobalContext, me *libkb.User, signingKey libkb.GenericKey, parentTeam *TeamSigChainState, subteamID keybase1.TeamID, newSubteamName keybase1.TeamName, admin *SCTeamAdmin) (item *libkb.SigMultiItem, err error) {
entropy, err := makeSCTeamEntropy()
if err != nil {
return nil, err
}
teamSection := SCTeamSection{
Admin: admin,
ID: (SCTeamID)(parentTeam.GetID()),
Subteam: &SCSubteam{
ID: (SCTeamID)(subteamID),
Name: (SCTeamName)(newSubteamName.String()),
},
Entropy: entropy,
}
sigBody, err := RenameSubteamSig(me, signingKey, parentTeam, teamSection)
if err != nil {
return nil, err
}
sigJSON, err := sigBody.Marshal()
if err != nil {
return nil, err
}
prevLinkID, err := libkb.ImportLinkID(parentTeam.GetLatestLinkID())
if err != nil {
return nil, err
}
v2Sig, err := makeSigchainV2OuterSig(
signingKey,
libkb.LinkTypeRenameSubteam,
parentTeam.GetLatestSeqno()+1,
sigJSON,
prevLinkID,
false, /* hasRevokes */
)
if err != nil {
return nil, err
}
item = &libkb.SigMultiItem{
Sig: v2Sig,
SigningKID: signingKey.GetKID(),
Type: string(libkb.LinkTypeRenameSubteam),
SigInner: string(sigJSON),
TeamID: parentTeam.GetID(),
}
return item, nil
}
type chainPair struct {
parent *TeamSigChainState
subteam *TeamSigChainState
}
func generateRenameUpPointerSigForSubteamChain(g *libkb.GlobalContext, me *libkb.User, signingKey libkb.GenericKey, teams chainPair, newSubteamName keybase1.TeamName, admin *SCTeamAdmin) (item *libkb.SigMultiItem, err error) {
newSubteamNameStr := newSubteamName.String()
teamSection := SCTeamSection{
Admin: admin,
ID: (SCTeamID)(teams.subteam.GetID()),
Name: (*SCTeamName)(&newSubteamNameStr),
Parent: &SCTeamParent{
ID: SCTeamID(teams.parent.GetID()),
Seqno: teams.parent.GetLatestSeqno() + 1, // the seqno of the *new* parent link
SeqType: keybase1.SeqType_SEMIPRIVATE,
},
}
sigBody, err := RenameUpPointerSig(me, signingKey, teams.subteam, teamSection)
if err != nil {
return nil, err
}
sigJSON, err := sigBody.Marshal()
if err != nil {
return nil, err
}
prevLinkID, err := libkb.ImportLinkID(teams.subteam.GetLatestLinkID())
if err != nil {
return nil, err
}
v2Sig, err := makeSigchainV2OuterSig(
signingKey,
libkb.LinkTypeRenameUpPointer,
teams.subteam.GetLatestSeqno()+1,
sigJSON,
prevLinkID,
false, /* hasRevokes */
)
if err != nil {
return nil, err
}
item = &libkb.SigMultiItem{
Sig: v2Sig,
SigningKID: signingKey.GetKID(),
Type: string(libkb.LinkTypeRenameUpPointer),
SigInner: string(sigJSON),
TeamID: teams.subteam.GetID(),
}
return item, nil
}