71 lines
2.5 KiB
Go
71 lines
2.5 KiB
Go
package helpers
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import (
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"strings"
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"forge.redroom.link/yves/meowlib"
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"forge.redroom.link/yves/meowlib/client"
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)
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// InvitationStep2GetMessage builds and returns the packed server message that retrieves
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// the InvitationInitPayload from the server using the shortcode URL (STEP_2, invitee side).
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func InvitationStep2GetMessage(invitationUrl string, serverPublicKey string, invitationPassword string) ([]byte, string, error) {
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meowurl := strings.Split(invitationUrl, "?")
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shortcode := meowurl[1]
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srv, err := client.CreateServerFromMeowUrl(meowurl[0])
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if err != nil {
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return nil, "InvitationStep2GetMessage: CreateServerFromMeowUrl", err
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}
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// Reuse the server entry if already known.
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dbsrv, err := client.GetConfig().GetIdentity().MessageServers.LoadServer(srv.Url)
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if err != nil {
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return nil, "InvitationStep2GetMessage: LoadServer", err
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}
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if dbsrv == nil {
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srv.PublicKey = serverPublicKey
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k, err := meowlib.NewKeyPair()
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if err != nil {
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return nil, "InvitationStep2GetMessage: NewKeyPair", err
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}
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srv.UserKp = k
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if err := client.GetConfig().GetIdentity().MessageServers.StoreServer(srv); err != nil {
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return nil, "InvitationStep2GetMessage: StoreServer", err
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}
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} else {
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if dbsrv.PublicKey != serverPublicKey {
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dbsrv.PublicKey = serverPublicKey
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}
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srv = dbsrv
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}
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toSrvMsg, err := srv.BuildToServerMessageInvitationRequest(shortcode, invitationPassword)
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if err != nil {
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return nil, "InvitationStep2GetMessage: BuildToServerMessageInvitationRequest", err
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}
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bytemsg, err := srv.ProcessOutboundMessage(toSrvMsg)
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if err != nil {
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return nil, "InvitationStep2GetMessage: ProcessOutboundMessage", err
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}
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return bytemsg, "", nil
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}
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// InvitationStep2ReadResponse decodes the server response to a Step2 get-message and returns
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// the InvitationInitPayload sent by the initiator.
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func InvitationStep2ReadResponse(invitationData []byte, invitationServerUid string) (*meowlib.InvitationInitPayload, string, error) {
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server, err := client.GetConfig().GetIdentity().MessageServers.LoadServer(invitationServerUid)
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if err != nil {
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return nil, "InvitationStep2ReadResponse: LoadServer", err
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}
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serverMsg, err := server.ProcessInboundServerResponse(invitationData)
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if err != nil {
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return nil, "InvitationStep2ReadResponse: ProcessInboundServerResponse", err
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}
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payload, err := meowlib.NewInvitationInitPayloadFromCompressed(serverMsg.Invitation.Payload)
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if err != nil {
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return nil, "InvitationStep2ReadResponse: NewInvitationInitPayloadFromCompressed", err
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}
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return payload, "", nil
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}
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