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We add the ClientID() method to the ipnauth.Actor interface and updated ipnserver.actor to implement it. This method returns a unique ID of the connected client if the actor represents one. It helps link a series of interactions initiated by the client, such as when a notification needs to be sent back to a specific session, rather than all active sessions, in response to a certain request. We also add LocalBackend.WatchNotificationsAs and LocalBackend.StartLoginInteractiveAs methods, which are like WatchNotifications and StartLoginInteractive but accept an additional parameter specifying an ipnauth.Actor who initiates the operation. We store these actor identities in watchSession.owner and LocalBackend.authActor, respectively,and implement LocalBackend.sendTo and related helper methods to enable sending notifications to watchSessions associated with actors (or, more broadly, identifiable recipients). We then use the above to change who receives the BrowseToURL notifications: - For user-initiated, interactive logins, the notification is delivered only to the user who initiated the process. If the initiating actor represents a specific connected client, the URL notification is sent back to the same LocalAPI client that called StartLoginInteractive. Otherwise, the notification is sent to all clients connected as that user. Currently, we only differentiate between users on Windows, as it is inherently a multi-user OS. - In all other cases (e.g., node key expiration), we send the notification to all connected users. Updates tailscale/corp#18342 Signed-off-by: Nick Khyl <nickk@tailscale.com>
37 lines
1.3 KiB
Go
37 lines
1.3 KiB
Go
// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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package ipnauth
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import (
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"tailscale.com/ipn"
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)
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var _ Actor = (*TestActor)(nil)
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// TestActor is an [Actor] used exclusively for testing purposes.
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type TestActor struct {
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UID ipn.WindowsUserID // OS-specific UID of the user, if the actor represents a local Windows user
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Name string // username associated with the actor, or ""
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NameErr error // error to be returned by [TestActor.Username]
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CID ClientID // non-zero if the actor represents a connected LocalAPI client
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LocalSystem bool // whether the actor represents the special Local System account on Windows
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LocalAdmin bool // whether the actor has local admin access
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}
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// UserID implements [Actor].
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func (a *TestActor) UserID() ipn.WindowsUserID { return a.UID }
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// Username implements [Actor].
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func (a *TestActor) Username() (string, error) { return a.Name, a.NameErr }
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// ClientID implements [Actor].
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func (a *TestActor) ClientID() (_ ClientID, ok bool) { return a.CID, a.CID != NoClientID }
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// IsLocalSystem implements [Actor].
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func (a *TestActor) IsLocalSystem() bool { return a.LocalSystem }
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// IsLocalAdmin implements [Actor].
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func (a *TestActor) IsLocalAdmin(operatorUID string) bool { return a.LocalAdmin }
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