discourse-chat-integration/lib/discourse_chat/provider/telegram/telegram_command_controller.rb

106 lines
3.2 KiB
Ruby

# frozen_string_literal: true
module DiscourseChat::Provider::TelegramProvider
class TelegramCommandController < DiscourseChat::Provider::HookController
requires_provider ::DiscourseChat::Provider::TelegramProvider::PROVIDER_NAME
before_action :telegram_token_valid?, only: :command
skip_before_action :check_xhr,
:preload_json,
:verify_authenticity_token,
:redirect_to_login_if_required,
only: :command
def command
# If it's a new message (telegram also sends hooks for other reasons that we don't care about)
if params.key?('message')
chat_id = params['message']['chat']['id']
message_text = process_command(params['message'])
message = {
chat_id: chat_id,
text: message_text,
parse_mode: "html",
disable_web_page_preview: true,
}
DiscourseChat::Provider::TelegramProvider.sendMessage(message)
elsif params.dig('channel_post', 'text')&.include?('/getchatid')
chat_id = params['channel_post']['chat']['id']
message_text = I18n.t(
"chat_integration.provider.telegram.unknown_chat",
site_title: CGI::escapeHTML(SiteSetting.title),
chat_id: chat_id,
)
message = {
chat_id: chat_id,
text: message_text,
parse_mode: "html",
disable_web_page_preview: true,
}
DiscourseChat::Provider::TelegramProvider.sendMessage(message)
end
# Always give telegram a success message, otherwise we'll stop receiving webhooks
data = {
success: true
}
render json: data
end
def process_command(message)
chat_id = params['message']['chat']['id']
provider = DiscourseChat::Provider::TelegramProvider::PROVIDER_NAME
channel = DiscourseChat::Channel.with_provider(provider).with_data_value('chat_id', chat_id).first
text_key = "unknown_chat" if channel.nil?
# If slash commands disabled, send a generic message
text_key = "known_chat" if !SiteSetting.chat_integration_telegram_enable_slash_commands
text_key = "help" if message['text'].blank?
if text_key.present?
return I18n.t(
"chat_integration.provider.telegram.#{text_key}",
site_title: CGI::escapeHTML(SiteSetting.title),
chat_id: chat_id,
)
end
tokens = message['text'].split(" ")
tokens[0][0] = '' # Remove the slash from the first token
tokens[0] = tokens[0].split('@')[0] # Remove the bot name from the command (necessary for group chats)
::DiscourseChat::Helper.process_command(channel, tokens)
end
def telegram_token_valid?
params.require(:token)
if SiteSetting.chat_integration_telegram_secret.blank? ||
SiteSetting.chat_integration_telegram_secret != params[:token]
raise Discourse::InvalidAccess.new
end
end
end
class TelegramEngine < ::Rails::Engine
engine_name DiscourseChat::PLUGIN_NAME + "-telegram"
isolate_namespace DiscourseChat::Provider::TelegramProvider
end
TelegramEngine.routes.draw do
post "command/:token" => "telegram_command#command"
end
end