80 lines
2.5 KiB
Go
80 lines
2.5 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package test
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import (
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"crypto/ecdsa"
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"time"
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"github.com/gogo/protobuf/proto"
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"github.com/gtank/cryptopasta"
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"github.com/skyrings/skyring-common/tools/uuid"
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"storj.io/storj/pkg/auth"
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"storj.io/storj/pkg/identity"
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"storj.io/storj/pkg/pb"
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"storj.io/storj/pkg/storj"
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)
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//GeneratePayerBandwidthAllocation creates a signed PayerBandwidthAllocation from a PayerBandwidthAllocation_Action
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func GeneratePayerBandwidthAllocation(action pb.PayerBandwidthAllocation_Action, satID *identity.FullIdentity, upID *identity.FullIdentity, expiration time.Duration) (*pb.PayerBandwidthAllocation, error) {
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serialNum, err := uuid.New()
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if err != nil {
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return nil, err
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}
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// Generate PayerBandwidthAllocation_Data
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data, _ := proto.Marshal(
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&pb.PayerBandwidthAllocation_Data{
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SatelliteId: satID.ID,
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UplinkId: upID.ID,
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ExpirationUnixSec: time.Now().Add(expiration).Unix(),
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SerialNumber: serialNum.String(),
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Action: action,
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CreatedUnixSec: time.Now().Unix(),
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},
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)
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// Sign the PayerBandwidthAllocation_Data with the "Satellite" Private Key
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satPrivECDSA, ok := satID.Key.(*ecdsa.PrivateKey)
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if !ok {
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return nil, pb.Payer.Wrap(auth.ECDSA)
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}
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s, err := cryptopasta.Sign(data, satPrivECDSA)
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if err != nil {
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return nil, pb.Payer.Wrap(auth.Sign.Wrap(err))
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}
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// Combine Signature and Data for PayerBandwidthAllocation
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return &pb.PayerBandwidthAllocation{
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Data: data,
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Signature: s,
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Certs: satID.ChainRaw(),
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}, nil
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}
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//GenerateRenterBandwidthAllocation creates a signed RenterBandwidthAllocation from a PayerBandwidthAllocation
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func GenerateRenterBandwidthAllocation(pba *pb.PayerBandwidthAllocation, storageNodeID storj.NodeID, upID *identity.FullIdentity, total int64) (*pb.RenterBandwidthAllocation, error) {
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// Generate RenterBandwidthAllocation_Data
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data, _ := proto.Marshal(
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&pb.RenterBandwidthAllocation_Data{
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PayerAllocation: pba,
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StorageNodeId: storageNodeID,
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Total: total,
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},
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)
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// Sign the PayerBandwidthAllocation_Data with the "Uplink" Private Key
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upPrivECDSA, ok := upID.Key.(*ecdsa.PrivateKey)
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if !ok {
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return nil, pb.Payer.Wrap(auth.ECDSA)
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}
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s, err := cryptopasta.Sign(data, upPrivECDSA)
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if err != nil {
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return nil, pb.Payer.Wrap(auth.Sign.Wrap(err))
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}
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// Combine Signature and Data for RenterBandwidthAllocation
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return &pb.RenterBandwidthAllocation{
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Signature: s,
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Data: data,
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Certs: upID.ChainRaw(),
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}, nil
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}
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