47 lines
1.5 KiB
Go
47 lines
1.5 KiB
Go
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package messages
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import (
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"errors"
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"forge.redroom.link/yves/meowlib"
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"forge.redroom.link/yves/meowlib/client"
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"google.golang.org/protobuf/proto"
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)
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// Step3InitiatorFinalizesInviteeAndCreatesContactCard is called by the initiator when a
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// step-2 answer (invitee's encrypted ContactCard) arrives. It decrypts the card, upgrades
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// the invitee's peer entry with the real keys, and returns the initiator's own ContactCard
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// ready to be sent to the invitee via any transport.
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func Step3InitiatorFinalizesInviteeAndCreatesContactCard(invitation *meowlib.Invitation) (*client.Peer, *meowlib.ContactCard, error) {
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var invitationAnswer meowlib.PackedUserMessage
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if err := proto.Unmarshal(invitation.Payload, &invitationAnswer); err != nil {
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return nil, nil, err
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}
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peer := client.GetConfig().GetIdentity().Peers.GetFromInvitationId(invitation.Uuid)
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if peer == nil {
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return nil, nil, errors.New("no peer for invitation uuid " + invitation.Uuid)
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}
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// Guard against duplicate delivery (e.g., same answer from multiple servers).
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if peer.InvitationKp == nil {
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return nil, nil, nil
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}
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usermsg, err := peer.ProcessInboundStep2UserMessage(&invitationAnswer, invitation.From)
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if err != nil {
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return nil, nil, err
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}
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var inviteeCC meowlib.ContactCard
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if err := proto.Unmarshal(usermsg.Invitation.Payload, &inviteeCC); err != nil {
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return nil, nil, err
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}
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myCC, peer, err := client.GetConfig().GetIdentity().InvitationStep3(&inviteeCC)
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if err != nil {
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return nil, nil, err
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}
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client.GetConfig().GetIdentity().Save()
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return peer, myCC, nil
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}
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