tailcfg: remove unused User fields

Fixes #14542

Change-Id: Ifeb0f90c570c1b555af761161f79df75f18ae3f9
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>

tailcfg/tailcfg.go

@@ -234,12 +234,6 @@ type User struct {
 	DisplayName   string // if non-empty overrides Login field
 	ProfilePicURL string // if non-empty overrides Login field
 	Created       time.Time
-
-	// Old, unused fields...
-	// TODO(bradfitz): remove, once verifying old clients don't need them.
-
-	LoginName string `json:"-"` // not stored, filled from Login // TODO REMOVE
-	Logins    []LoginID
 }
 
 // Login is a user from a specific identity provider, not associated with any

tailcfg/tailcfg_clone.go

@@ -26,7 +26,6 @@ func (src *User) Clone() *User {
 	}
 	dst := new(User)
 	*dst = *src
-	dst.Logins = append(src.Logins[:0:0], src.Logins...)
 	return dst
 }
 
@@ -36,8 +35,6 @@ var _UserCloneNeedsRegeneration = User(struct {
 	DisplayName   string
 	ProfilePicURL string
 	Created       time.Time
-	LoginName     string
-	Logins        []LoginID
 }{})
 
 // Clone makes a deep copy of Node.
@@ -302,7 +299,6 @@ func (src *RegisterResponse) Clone() *RegisterResponse {
 	}
 	dst := new(RegisterResponse)
 	*dst = *src
-	dst.User = *src.User.Clone()
 	dst.NodeKeySignature = append(src.NodeKeySignature[:0:0], src.NodeKeySignature...)
 	return dst
 }

tailcfg/tailcfg_test.go

@@ -666,7 +666,6 @@ func TestCloneUser(t *testing.T) {
 		u    *User
 	}{
 		{"nil_logins", &User{}},
-		{"zero_logins", &User{Logins: make([]LoginID, 0)}},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {

tailcfg/tailcfg_view.go

@@ -66,12 +66,10 @@ func (v *UserView) UnmarshalJSON(b []byte) error {
 	return nil
 }
 
-func (v UserView) ID() UserID                   { return v.ж.ID }
-func (v UserView) DisplayName() string          { return v.ж.DisplayName }
-func (v UserView) ProfilePicURL() string        { return v.ж.ProfilePicURL }
-func (v UserView) Created() time.Time           { return v.ж.Created }
-func (v UserView) LoginName() string            { return v.ж.LoginName }
-func (v UserView) Logins() views.Slice[LoginID] { return views.SliceOf(v.ж.Logins) }
+func (v UserView) ID() UserID            { return v.ж.ID }
+func (v UserView) DisplayName() string   { return v.ж.DisplayName }
+func (v UserView) ProfilePicURL() string { return v.ж.ProfilePicURL }
+func (v UserView) Created() time.Time    { return v.ж.Created }
 
 // A compilation failure here means this code must be regenerated, with the command at the top of this file.
 var _UserViewNeedsRegeneration = User(struct {
@@ -79,8 +77,6 @@ var _UserViewNeedsRegeneration = User(struct {
 	DisplayName   string
 	ProfilePicURL string
 	Created       time.Time
-	LoginName     string
-	Logins        []LoginID
 }{})
 
 // View returns a readonly view of Node.
@@ -637,7 +633,7 @@ func (v *RegisterResponseView) UnmarshalJSON(b []byte) error {
 	return nil
 }
 
-func (v RegisterResponseView) User() UserView          { return v.ж.User.View() }
+func (v RegisterResponseView) User() User              { return v.ж.User }
 func (v RegisterResponseView) Login() Login            { return v.ж.Login }
 func (v RegisterResponseView) NodeKeyExpired() bool    { return v.ж.NodeKeyExpired }
 func (v RegisterResponseView) MachineAuthorized() bool { return v.ж.MachineAuthorized }