notify/telegram.sh

   1 #!/usr/bin/env sh
   2
   3 #Support Telegram Bots
   4
   5 #TELEGRAM_BOT_APITOKEN=""
   6 #TELEGRAM_BOT_CHATID=""
   7
   8 telegram_send() {
   9   _subject="$1"
  10   _content="$2"
  11   _statusCode="$3" #0: success, 1: error 2($RENEW_SKIP): skipped
  12   _debug "_statusCode" "$_statusCode"
  13
  14   TELEGRAM_BOT_APITOKEN="${TELEGRAM_BOT_APITOKEN:-$(_readaccountconf_mutable TELEGRAM_BOT_APITOKEN)}"
  15   if [ -z "$TELEGRAM_BOT_APITOKEN" ]; then
  16     TELEGRAM_BOT_APITOKEN=""
  17     _err "You didn't specify a Telegram BOT API Token TELEGRAM_BOT_APITOKEN yet."
  18     return 1
  19   fi
  20   _saveaccountconf_mutable TELEGRAM_BOT_APITOKEN "$TELEGRAM_BOT_APITOKEN"
  21
  22   TELEGRAM_BOT_CHATID="${TELEGRAM_BOT_CHATID:-$(_readaccountconf_mutable TELEGRAM_BOT_CHATID)}"
  23   if [ -z "$TELEGRAM_BOT_CHATID" ]; then
  24     TELEGRAM_BOT_CHATID=""
  25     _err "You didn't specify a Telegram Chat id TELEGRAM_BOT_CHATID yet."
  26     return 1
  27   fi
  28   _saveaccountconf_mutable TELEGRAM_BOT_CHATID "$TELEGRAM_BOT_CHATID"
  29
  30   _content="$(printf "%s" "$_content" | sed -e 's/\([_*`\[]\)/\\\\\1/g')"
  31   _content="$(printf "*%s*\n%s" "$_subject" "$_content" | _json_encode)"
  32   _data="{\"text\": \"$_content\", "
  33   _data="$_data\"chat_id\": \"$TELEGRAM_BOT_CHATID\", "
  34   _data="$_data\"parse_mode\": \"markdown\", "
  35   _data="$_data\"disable_web_page_preview\": \"1\"}"
  36
  37   _debug "$_data"
  38
  39   export _H1="Content-Type: application/json"
  40   _telegram_bot_url="https://api.telegram.org/bot${TELEGRAM_BOT_APITOKEN}/sendMessage"
  41   if _post "$_data" "$_telegram_bot_url" >/dev/null; then
  42     # shellcheck disable=SC2154
  43     _message=$(printf "%s\n" "$response" | sed -n 's/.*"ok":\([^,]*\).*/\1/p')
  44     if [ "$_message" = "true" ]; then
  45       _info "telegram send success."
  46       return 0
  47     fi
  48   fi
  49   _err "telegram send error."
  50   _err "$response"
  51   return 1
  52 }