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downgrade_leases.go
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downgrade_leases.go
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// Copyright 2015 Keybase, Inc. All rights reserved. Use of
// this source code is governed by the included BSD license.
package libkb
import (
"strings"
keybase1 "github.com/keybase/client/go/protocol/keybase1"
context "golang.org/x/net/context"
)
func kidsToString(kids []keybase1.KID) string {
var tmp []string
for _, k := range kids {
tmp = append(tmp, string(k))
}
return strings.Join(tmp, ",")
}
func sigIDsToString(sigIDs []keybase1.SigID) string {
var tmp []string
for _, k := range sigIDs {
tmp = append(tmp, string(k))
}
return strings.Join(tmp, ",")
}
func UidsToString(uids []keybase1.UID) string {
s := make([]string, len(uids))
for i, uid := range uids {
s[i] = string(uid)
}
return strings.Join(s, ",")
}
type Lease struct {
MerkleSeqno keybase1.Seqno `json:"merkle_seqno"`
LeaseID keybase1.LeaseID `json:"downgrade_lease_id"`
HashMeta keybase1.HashMeta `json:"hash_meta"`
}
type leaseReply struct {
Lease
Status AppStatus `json:"status"`
}
func (r *leaseReply) GetAppStatus() *AppStatus {
return &r.Status
}
func RequestDowngradeLeaseByKID(ctx context.Context, g *GlobalContext, kids []keybase1.KID) (lease *Lease, mr *MerkleRoot, err error) {
var res leaseReply
mctx := NewMetaContext(ctx, g)
err = g.API.PostDecode(mctx, APIArg{
Endpoint: "downgrade/key",
SessionType: APISessionTypeREQUIRED,
Args: HTTPArgs{
"kids": S{kidsToString(kids)},
},
}, &res)
if err != nil {
return nil, nil, err
}
return leaseWithMerkleRoot(ctx, g, res)
}
func CancelDowngradeLease(ctx context.Context, g *GlobalContext, l keybase1.LeaseID) error {
mctx := NewMetaContext(ctx, g)
_, err := g.API.Post(mctx, APIArg{
Endpoint: "downgrade/cancel",
SessionType: APISessionTypeREQUIRED,
Args: HTTPArgs{
"downgrade_lease_id": S{string(l)},
},
})
return err
}
func RequestDowngradeLeaseBySigIDs(ctx context.Context, g *GlobalContext, sigIDs []keybase1.SigID) (lease *Lease, mr *MerkleRoot, err error) {
var res leaseReply
mctx := NewMetaContext(ctx, g)
err = g.API.PostDecode(mctx, APIArg{
Endpoint: "downgrade/sig",
SessionType: APISessionTypeREQUIRED,
Args: HTTPArgs{
"sig_ids": S{sigIDsToString(sigIDs)},
},
}, &res)
if err != nil {
return nil, nil, err
}
return leaseWithMerkleRoot(ctx, g, res)
}
func RequestDowngradeLeaseByTeam(ctx context.Context, g *GlobalContext, teamID keybase1.TeamID, uids []keybase1.UID) (lease *Lease, mr *MerkleRoot, err error) {
var res leaseReply
mctx := NewMetaContext(ctx, g)
err = g.API.PostDecode(mctx, APIArg{
Endpoint: "downgrade/team",
SessionType: APISessionTypeREQUIRED,
Args: HTTPArgs{
"team_id": S{string(teamID)},
"member_uids": S{UidsToString(uids)},
},
}, &res)
if err != nil {
return nil, nil, err
}
return leaseWithMerkleRoot(ctx, g, res)
}
func leaseWithMerkleRoot(ctx context.Context, g *GlobalContext, res leaseReply) (lease *Lease, mr *MerkleRoot, err error) {
mr, err = g.MerkleClient.FetchRootFromServerByMinSeqno(NewMetaContext(ctx, g), res.Lease.MerkleSeqno)
if err != nil {
return nil, nil, err
}
return &res.Lease, mr, nil
}