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Propagate kick originators.
This commit is contained in:
parent
d98c9b95b2
commit
6e5348101c
4 changed files with 78 additions and 36 deletions
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@ -81,7 +81,7 @@ func (client *Client) Close() error {
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return nil
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}
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func (client *Client) Kick(message string) error {
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func (client *Client) Kick(id, user, message string) error {
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err := client.Close()
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group.DelClient(client)
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return err
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@ -102,5 +102,5 @@ type Client interface {
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}
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type Kickable interface {
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Kick(message string) error
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Kick(id, user, message string) error
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}
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@ -29,6 +29,23 @@ func (err UserError) Error() string {
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return string(err)
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}
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type KickError struct {
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Id string
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Username string
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Message string
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}
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func (err KickError) Error() string {
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m := "kicked out"
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if err.Message != "" {
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m += "(" + err.Message + ")"
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}
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if err.Username != "" {
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m += " by " + err.Username
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}
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return m
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}
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type ProtocolError string
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func (err ProtocolError) Error() string {
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@ -272,7 +289,7 @@ func AddClient(group string, c Client) (*Group, error) {
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g.mu.Lock()
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defer g.mu.Unlock()
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if(!c.OverridePermissions(g)) {
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if !c.OverridePermissions(g) {
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perms, err := g.description.GetPermission(group, c)
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if err != nil {
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return nil, err
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@ -381,7 +398,7 @@ func (g *Group) Shutdown(message string) {
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g.Range(func(c Client) bool {
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cc, ok := c.(Kickable)
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if ok {
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cc.Kick(message)
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cc.Kick("", "", message)
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}
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return true
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})
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@ -17,22 +17,31 @@ import (
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"sfu/group"
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)
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func errorToWSCloseMessage(err error) (string, []byte) {
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func errorToWSCloseMessage(id string, err error) (*clientMessage, []byte) {
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var code int
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var m *clientMessage
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var text string
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switch e := err.(type) {
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case *websocket.CloseError:
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code = websocket.CloseNormalClosure
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case group.ProtocolError:
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code = websocket.CloseProtocolError
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text = string(e)
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case group.UserError:
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m = &clientMessage{
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Type: "usermessage",
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Kind: "error",
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Dest: id,
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Priviledged: true,
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Value: e.Error(),
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}
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text = e.Error()
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case group.UserError, group.KickError:
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code = websocket.CloseNormalClosure
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text = string(e)
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m = errorMessage(id, err)
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text = e.Error()
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default:
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code = websocket.CloseInternalServerErr
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}
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return text, websocket.FormatCloseMessage(code, text)
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return m, websocket.FormatCloseMessage(code, text)
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}
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func isWSNormalError(err error) bool {
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@ -674,15 +683,9 @@ func StartClient(conn *websocket.Conn) (err error) {
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err = nil
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c.close(nil)
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} else {
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m, e := errorToWSCloseMessage(err)
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if m != "" {
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c.write(clientMessage{
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Type: "usermessage",
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Kind: "error",
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Dest: c.id,
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Priviledged: true,
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Value: m,
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})
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m, e := errorToWSCloseMessage(c.id, err)
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if m != nil {
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c.write(*m)
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}
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c.close(e)
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}
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@ -741,6 +744,8 @@ type connectionFailedAction struct {
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type permissionsChangedAction struct{}
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type kickAction struct {
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id string
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username string
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message string
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}
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@ -899,7 +904,9 @@ func clientLoop(c *webClient, ws *websocket.Conn) error {
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}
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}
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case kickAction:
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return group.UserError(a.message)
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return group.KickError{
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a.id, a.username, a.message,
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}
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default:
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log.Printf("unexpected action %T", a)
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return errors.New("unexpected action")
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@ -988,12 +995,12 @@ func setPermissions(g *group.Group, id string, perm string) error {
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return c.action(permissionsChangedAction{})
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}
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func (c *webClient) Kick(message string) error {
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return c.action(kickAction{message})
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func (c *webClient) Kick(id, user, message string) error {
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return c.action(kickAction{id, user, message})
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}
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func kickClient(g *group.Group, id string, message string) error {
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client := g.GetClient(id)
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func kickClient(g *group.Group, id, user, dest string, message string) error {
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client := g.GetClient(dest)
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if client == nil {
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return group.UserError("no such user")
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}
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@ -1003,7 +1010,7 @@ func kickClient(g *group.Group, id string, message string) error {
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return group.UserError("this client is not kickable")
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}
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return c.Kick(message)
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return c.Kick(id, user, message)
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}
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func handleClientMessage(c *webClient, m clientMessage) error {
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@ -1187,11 +1194,7 @@ func handleClientMessage(c *webClient, m clientMessage) error {
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if !c.permissions.Op {
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return c.error(group.UserError("not authorised"))
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}
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message := m.Value
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if message == "" {
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message = "you have been kicked out"
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}
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err := kickClient(c.group, m.Dest, message)
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err := kickClient(c.group, m.Id, m.Username, m.Dest, m.Value)
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if err != nil {
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return c.error(err)
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}
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@ -1298,17 +1301,39 @@ func (c *webClient) close(data []byte) error {
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}
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}
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func (c *webClient) error(err error) error {
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func errorMessage(id string, err error) *clientMessage {
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switch e := err.(type) {
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case group.UserError:
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return c.write(clientMessage{
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return &clientMessage{
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Type: "usermessage",
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Kind: "error",
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Dest: c.id,
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Dest: id,
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Priviledged: true,
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Value: string(e),
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})
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Value: e.Error(),
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}
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case group.KickError:
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message := e.Message
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if message == "" {
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message = "you have been kicked out"
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}
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return &clientMessage{
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Type: "usermessage",
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Kind: "error",
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Id: e.Id,
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Username: e.Username,
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Dest: id,
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Priviledged: true,
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Value: message,
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}
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default:
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return nil
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}
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}
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func (c *webClient) error(err error) error {
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m := errorMessage(c.id, err)
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if m == nil {
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return err
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}
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return c.write(*m)
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}
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