public async Task Say(ICommand command)
{
var message = command["Message"].AsString ?? "";
var channel = command["TargetChannel"].AsTextChannel;
// This is a mods-only command, but to prevent permission escalation, check
// if there's any non-mentionable role and if the sender has a mention everyone perm
var nonMentionableRoles = command.Message.MentionedRoleIds.Where(x => !command.Guild.GetRole(x)?.IsMentionable ?? false).ToList();
var replaceRoleMentions = (message.ContainsEveryonePings() || nonMentionableRoles.Any()) &&
!((IGuildUser)command.Author).GetPermissions(channel).MentionEveryone;
if (replaceRoleMentions)
{
message = DiscordHelpers.ReplaceRoleMentions(message, nonMentionableRoles, command.Guild)
.Sanitise(allowRoleMentions: true);
}
if (command.Message.Attachments.Count <= 0)
{
if (string.IsNullOrEmpty(command["Message"]))
{
throw new Framework.Exceptions.IncorrectParametersCommandException("Specify a message or an attachment.");
}
await channel.SendMessageAsync(message);
}
else
{
var attachment = command.Message.Attachments.First();
var request = WebRequest.CreateHttp(attachment.Url);
using (var response = await request.GetResponseAsync())
using (var stream = response.GetResponseStream())
using (var memStream = new MemoryStream())
{
await stream.CopyToAsync(memStream);
memStream.Position = 0;
await channel.SendFileAsync(memStream, attachment.Filename, message);
}
}
if (command["TargetChannel"].AsTextChannel.Id != command.Message.Channel.Id)
{
await command.ReplySuccess("Message sent!" + (replaceRoleMentions ? " To mention roles, @here, or @everyone you must have the Mention Everyone permission." : ""));
}
}