notify/discord.sh

   1 #!/usr/bin/env sh
   2
   3 #Support Discord webhooks
   4
   5 # Required:
   6 #DISCORD_WEBHOOK_URL=""
   7 # Optional:
   8 #DISCORD_USERNAME=""
   9 #DISCORD_AVATAR_URL=""
  10
  11 discord_send() {
  12   _subject="$1"
  13   _content="$2"
  14   _statusCode="$3" #0: success, 1: error 2($RENEW_SKIP): skipped
  15   _debug "_statusCode" "$_statusCode"
  16
  17   DISCORD_WEBHOOK_URL="${DISCORD_WEBHOOK_URL:-$(_readaccountconf_mutable DISCORD_WEBHOOK_URL)}"
  18   if [ -z "$DISCORD_WEBHOOK_URL" ]; then
  19     DISCORD_WEBHOOK_URL=""
  20     _err "You didn't specify a Discord webhook url DISCORD_WEBHOOK_URL yet."
  21     return 1
  22   fi
  23   _saveaccountconf_mutable DISCORD_WEBHOOK_URL "$DISCORD_WEBHOOK_URL"
  24
  25   DISCORD_USERNAME="${DISCORD_USERNAME:-$(_readaccountconf_mutable DISCORD_USERNAME)}"
  26   if [ "$DISCORD_USERNAME" ]; then
  27     _saveaccountconf_mutable DISCORD_USERNAME "$DISCORD_USERNAME"
  28   fi
  29
  30   DISCORD_AVATAR_URL="${DISCORD_AVATAR_URL:-$(_readaccountconf_mutable DISCORD_AVATAR_URL)}"
  31   if [ "$DISCORD_AVATAR_URL" ]; then
  32     _saveaccountconf_mutable DISCORD_AVATAR_URL "$DISCORD_AVATAR_URL"
  33   fi
  34
  35   export _H1="Content-Type: application/json"
  36
  37   _content="$(printf "**%s**\n%s" "$_subject" "$_content" | _json_encode)"
  38   _data="{\"content\": \"$_content\" "
  39   if [ "$DISCORD_USERNAME" ]; then
  40     _data="$_data, \"username\": \"$DISCORD_USERNAME\" "
  41   fi
  42   if [ "$DISCORD_AVATAR_URL" ]; then
  43     _data="$_data, \"avatar_url\": \"$DISCORD_AVATAR_URL\" "
  44   fi
  45   _data="$_data}"
  46
  47   if _post "$_data" "$DISCORD_WEBHOOK_URL?wait=true"; then
  48     # shellcheck disable=SC2154
  49     if [ "$response" ]; then
  50       _info "discord send success."
  51       return 0
  52     fi
  53   fi
  54   _err "discord send error."
  55   _err "$response"
  56   return 1
  57 }