BareRTC/pkg/commands.go

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package barertc
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import (
"fmt"
"os"
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"strconv"
"time"
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"git.kirsle.net/apps/barertc/pkg/config"
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"git.kirsle.net/apps/barertc/pkg/log"
"github.com/mattn/go-shellwords"
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)
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// ProcessCommand parses a chat message for "/commands"
func (s *Server) ProcessCommand(sub *Subscriber, msg Message) bool {
if len(msg.Message) == 0 || msg.Message[0] != '/' {
return false
}
// Line begins with a slash, parse it apart.
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words, err := shellwords.Parse(msg.Message)
if err != nil {
log.Error("ProcessCommands: parsing shell words: %s", err)
return false
} else if len(words) == 0 {
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return false
}
// Moderator commands.
if sub.JWTClaims != nil && sub.JWTClaims.IsAdmin {
switch words[0] {
case "/kick":
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s.KickCommand(words, sub)
return true
case "/ban":
s.BanCommand(words, sub)
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return true
case "/nsfw":
if len(words) == 1 {
sub.ChatServer("Usage: `/nsfw username` to add the NSFW flag to their camera.")
}
username := words[1]
other, err := s.GetSubscriber(username)
if err != nil {
sub.ChatServer("/nsfw: username not found: %s", username)
} else {
other.ChatServer(
"Just a friendly reminder to mark your camera as 'Explicit' by using the button at the top "+
"of the page if you are going to be sexual on webcam. Your camera has been marked as Explicit "+
"for you by @%s", sub.Username,
)
other.VideoStatus |= VideoFlagNSFW
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other.SendMe()
s.SendWhoList()
sub.ChatServer("%s now has their camera marked as Explicit", username)
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}
return true
case "/help":
sub.ChatServer(RenderMarkdown("Moderator commands are:\n\n" +
"* `/kick <username>` to kick from chat\n" +
"* `/nsfw <username>` to mark their camera NSFW\n" +
"* `/shutdown` to gracefully shut down (reboot) the chat server\n" +
"* `/kickall` to kick EVERYBODY off and force them to log back in\n" +
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"* `/help` to show this message\n\n" +
"Note: shell-style quoting is supported, if a username has a space in it, quote the whole username, e.g.: `/kick \"username 2\"`",
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))
return true
case "/shutdown":
s.Broadcast(Message{
Action: ActionError,
Username: "ChatServer",
Message: "The chat server is going down for a reboot NOW!",
})
os.Exit(1)
case "/kickall":
s.KickAllCommand()
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}
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}
// Not handled.
return false
}
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// KickCommand handles the `/kick` operator command.
func (s *Server) KickCommand(words []string, sub *Subscriber) {
if len(words) == 1 {
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sub.ChatServer(RenderMarkdown(
"Usage: `/kick username` to remove the user from the chat room.\n\nNote: if the username has spaces in it, quote the name (shell style), `/kick \"username 2\"`",
))
return
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}
username := words[1]
other, err := s.GetSubscriber(username)
if err != nil {
sub.ChatServer("/kick: username not found: %s", username)
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} else if other.Username == sub.Username {
sub.ChatServer("/kick: did you really mean to kick yourself?")
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} else {
other.ChatServer("You have been kicked from the chat room by %s", sub.Username)
other.SendJSON(Message{
Action: ActionKick,
})
s.DeleteSubscriber(other)
sub.ChatServer("%s has been kicked from the room", username)
}
}
// KickAllCommand kicks everybody out of the room.
func (s *Server) KickAllCommand() {
// If we have JWT enabled and a landing page, link users to it.
if config.Current.JWT.Enabled && config.Current.JWT.LandingPageURL != "" {
s.Broadcast(Message{
Action: ActionError,
Username: "ChatServer",
Message: fmt.Sprintf(
"<strong>Notice:</strong> The chat operator has requested that you log back in to the chat room. "+
"Probably, this is because a new feature was launched that needs you to reload the page. "+
"You may refresh the tab or <a href=\"%s\">click here</a> to re-enter the room.",
config.Current.JWT.LandingPageURL,
),
})
} else {
s.Broadcast(Message{
Action: ActionError,
Username: "ChatServer",
Message: "<strong>Notice:</strong> The chat operator has kicked everybody from the room. Usually, this " +
"may mean a new feature of the chat has been launched and you need to reload the page for it " +
"to function correctly.",
})
}
// Kick everyone off.
s.Broadcast(Message{
Action: ActionKick,
})
// Disconnect everybody.
for _, sub := range s.IterSubscribers() {
if !sub.authenticated {
continue
}
s.DeleteSubscriber(sub)
}
}
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// BanCommand handles the `/ban` operator command.
func (s *Server) BanCommand(words []string, sub *Subscriber) {
if len(words) == 1 {
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sub.ChatServer(RenderMarkdown(
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"Usage: `/ban username` to remove the user from the chat room for 24 hours (default).\n\n" +
"Set another duration (in hours, fractions supported) like: `/ban username 0.5` for a 30-minute ban.",
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))
return
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}
// Parse the command.
var (
username = words[1]
duration = 24 * time.Hour
)
if len(words) >= 3 {
if dur, err := strconv.ParseFloat(words[2], 64); err == nil {
if dur < 1 {
duration = time.Duration(dur*60) * time.Second
} else {
duration = time.Duration(dur) * time.Hour
}
}
}
// TODO: banning, for now it just kicks.
_ = duration
other, err := s.GetSubscriber(username)
if err != nil {
sub.ChatServer("/ban: username not found: %s", username)
} else {
other.ChatServer("You have been kicked from the chat room by %s", sub.Username)
other.SendJSON(Message{
Action: ActionKick,
})
s.DeleteSubscriber(other)
sub.ChatServer("%s has been kicked from the room", username)
}
}