telegram-bot-bash/bashbot.sh

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#!/bin/bash
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##################################################################
#
# File: bashbot.sh
# Note: DO NOT EDIT! this file will be overwritten on update
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# shellcheck disable=SC2140,SC2031,SC2120,SC1091,SC1117,SC2059
#
# Description: bashbot, the Telegram bot written in bash.
#
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# Written by Drew (@topkecleon) KayM (@gnadelwartz).
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# Also contributed: Daniil Gentili (@danog), JuanPotato, BigNerd95,
# TiagoDanin, iicc1, dcoomber
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# https://github.com/topkecleon/telegram-bot-bash
#
# This file is public domain in the USA and all free countries.
# Elsewhere, consider it to be WTFPLv2. (wtfpl.net/txt/copying)
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#
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# Usage: bashbot.sh [-h|--help|BOTCOMMANDS]
BOTCOMMANDS="start, stop, status, help, init, suspendback, resumeback, killback"
#
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# Exit Codes:
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# 0 - success (hopefully)
# 1 - can't change to dir
# 2 - can't write to tmp, count or token
# 3 - user / command / file not found
# 4 - unknown command
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# 5 - cannot start, stop or get status
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# 6 - mandatory module not found
# 7 - can't get bottoken
# 8 - curl/wget missing
# 10 - not bash!
#
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#### $$VERSION$$ v1.21-0-gc85af77
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##################################################################
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# emmbeded system may claim bash but it is not
# check for bash like ARRAY handlung
if ! (unset a; set -A a a; eval "a=(a b)"; eval '[ -n "${a[1]}" ]'; ) > /dev/null 2>&1; then
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printf "Error: Current shell does not support ARRAY's, may be busybox ash shell. pls install a real bash!\n"
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exit 10
fi
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# are we running in a terminal?
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NN="\n"
if [ -t 1 ] && [ -n "$TERM" ]; then
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INTERACTIVE='yes'
RED='\e[31m'
GREEN='\e[32m'
ORANGE='\e[35m'
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GREY='\e[1;30m'
NC='\e[0m'
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NN="${NC}\n"
fi
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# telegram uses utf-8 characters, check if we have an utf-8 charset
if [ "${LANG}" = "${LANG%[Uu][Tt][Ff]*}" ]; then
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printf "${ORANGE}Warning: Telegram uses utf-8, but looks like you are using non utf-8 locale:${NC} ${LANG}\n"
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fi
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# we need some bash 4+ features, check for old bash by feature
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if [ "$({ LC_ALL=C.utf-8 printf "%b" "\u1111"; } 2>/dev/null)" = "\u1111" ]; then
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printf "${ORANGE}Warning: Missing unicode '\uxxxx' support, missing C.utf-8 locale or to old bash version.${NN}"
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fi
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# some important helper functions
# returns true if command exist
_exists() {
[ "$(type -t "${1}")" = "file" ]
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}
# execute function if exists
_exec_if_function() {
[ "$(type -t "${1}")" != "function" ] && return 1
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"$@"
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}
# returns true if function exist
_is_function() {
[ "$(type -t "${1}")" = "function" ]
}
# round $1 in international notation! , returns float with $2 decimal digits
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# if $2 is not given or is not a positive number zero is assumed
_round_float() {
local digit="${2}"; [[ "${2}" =~ ^[0-9]+$ ]] || digit="0"
{ LC_ALL=C.utf-8 printf "%.${digit}f" "${1}"; } 2>/dev/null
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}
setConfigKey() {
[[ "$1" =~ ^[-a-zA-Z0-9,._]+$ ]] || return 3
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[ -z "${BOTCONFIG}" ] && return 1
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printf '["%s"]\t"%s"\n' "${1//,/\",\"}" "${2//\"/\\\"}" >>"${BOTCONFIG}.jssh"
}
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getConfigKey() {
[[ "$1" =~ ^[-a-zA-Z0-9,._]+$ ]] || return 3
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[ -r "${BOTCONFIG}.jssh" ] && sed -n 's/\["'"$1"'"\]\t*"\(.*\)"/\1/p' <"${BOTCONFIG}.jssh" | tail -n 1
}
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# check if $1 seems a valid token
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# return true if token seems to be valid
check_token(){
[[ "${1}" =~ ^[0-9]{8,10}:[a-zA-Z0-9_-]{35}$ ]] && return 0
return 1
}
# log $1 with date
log_error(){ printf "%s: %s\n" "$(date)" "$*" >>"${ERRORLOG}"; }
log_debug(){ printf "%s: %s\n" "$(date)" "$*" >>"${DEBUGLOG}"; }
log_update(){ printf "%s: %s\n" "$(date)" "$*" >>"${UPDATELOG}"; }
# log $1 with date, special first \n
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log_message(){ printf "\n%s: %s\n" "$(date)" "${1/\\n/$'\n'}" >>"${MESSAGELOG}"; }
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# additional tests if we run in debug mode
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export BASHBOTDEBUG
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[[ "${BASH_ARGV[0]}" == *"debug"* ]] && BASHBOTDEBUG="yes"
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# $1 where $2 command $3 may debug
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# shellcheck disable=SC2094
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debug_checks(){ {
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[ -z "${BASHBOTDEBUG}" ] && return
local DATE WHERE MYTOKEN; DATE="$(date)"; WHERE="${1}"; shift
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printf "%s: debug_checks: %s: bashbot.sh %s\n" "${DATE}" "${WHERE}" "${@##*/}"
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# shellcheck disable=SC2094
[ -z "${DEBUGLOG}" ] && printf "%s: %s\n" "${DATE}" "DEBUGLOG not set! =========="
MYTOKEN="$(getConfigKey "bottoken")"
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[ -z "${MYTOKEN}" ] && printf "%s: %s\n" "${DATE}" "Bot token is missing! =========="
check_token "${MYTOKEN}" || printf "%s: %s\n" "${DATE}" "Invalid bot token! =========="
[ -z "$(getConfigKey "botadmin")" ] && printf "%s: %s\n" "${DATE}" "Bot admin is missing! =========="
# call user defined debug_checks if exists
_exec_if_function my_debug_checks "${DATE}" "${WHERE}" "$*"
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} >>"${DEBUGLOG}"
}
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# some Linux distributions (e.g. Manjaro) doesn't seem to have C locale activated by default
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if _exists locale && [ "$(locale -a | grep -c -e "^C$" -e "^C.[uU][tT][fF]")" -lt 2 ]; then
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printf "${ORANGE}Warning: locale ${NC}${GREY}C${NC}${ORANGE} and/or ${NC}${GREY}C.utf8${NC}${ORANGE} seems missing, use \"${NC}${GREY}locale -a${NC}${ORANGE}\" to show what locales are installed on your system.${NN}"
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fi
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# get location and name of bashbot.sh
SCRIPT="$0"
REALME="${BASH_SOURCE[0]}"
SCRIPTDIR="$(dirname "${REALME}")"
RUNDIR="$(dirname "$0")"
MODULEDIR="${SCRIPTDIR}/modules"
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# adjust locations based on source and real name
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[[ "${SCRIPT}" != "${REALME}" || "$1" == "source" ]] && SOURCE="yes"
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if [ -n "$BASHBOT_HOME" ]; then
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SCRIPTDIR="$BASHBOT_HOME"
else
BASHBOT_HOME="${SCRIPTDIR}"
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fi
[ -z "${BASHBOT_ETC}" ] && BASHBOT_ETC="$BASHBOT_HOME"
[ -z "${BASHBOT_VAR}" ] && BASHBOT_VAR="$BASHBOT_HOME"
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ADDONDIR="${BASHBOT_ETC:-.}/addons"
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RUNUSER="${USER}" # USER is overwritten by bashbot array :-(, save original
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# provide help
case "$1" in
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""|"-h"*) [ -z "${SOURCE}" ] && printf "${ORANGE}Available commands: ${GREY}${BOTCOMMANDS}${NN}" && exit
;;
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"--h"*) sed -nE -e '/(NOT EDIT)|(shellcheck)/d' -e '3,/###/p' <"$0"
exit;;
"help") HELP="${BASHBOT_HOME:-.}/README"
if [ -n "${INTERACTIVE}" ];then
_exists w3m && w3m "$HELP.html" && exit
_exists lynx && lynx "$HELP.html" && exit
_exists less && less "$HELP.txt" && exit
fi
cat "$HELP.txt"
exit;;
esac
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# OK, ENVIRONMENT is set up, let's do some additional tests
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if [[ -z "${SOURCE}" && -z "$BASHBOT_HOME" ]] && ! cd "${RUNDIR}" ; then
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printf "${RED}ERROR: Can't change to ${RUNDIR} ...${NN}"
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exit 1
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fi
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RUNDIR="."
[ ! -w "." ] && printf "${ORANGE}WARNING: ${RUNDIR} is not writeable!${NN}"
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# check if JSON.sh is available
JSONSHFILE="${BASHBOT_JSONSH:-${SCRIPTDIR}/JSON.sh/JSON.sh}"
[ ! -x "${JSONSHFILE}" ] &&\
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printf "${RED}ERROR:${NC} ${JSONSHFILE} ${RED}does not exist, are we in dev environment?${NN}${GREY}%s${NN}\n"\
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"\$JSONSHFILE is set wrong or bashbot is not installed correctly, see doc/0_install.md" && exit 3
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# file locations based on ENVIRONMENT
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BOTCONFIG="${BASHBOT_ETC:-.}/botconfig"
BOTACL="${BASHBOT_ETC:-.}/botacl"
DATADIR="${BASHBOT_VAR:-.}/data-bot-bash"
BLOCKEDFILE="${BASHBOT_VAR:-.}/blocked"
COUNTFILE="${BASHBOT_VAR:-.}/count"
LOGDIR="${RUNDIR:-.}/logs"
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# CREATE botconfig if not exist
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# assume everything already set up correctly if TOKEN is set
if [ -z "${BOTTOKEN}" ]; then
# BOTCONFIG does not exist, create
[ ! -f "${BOTCONFIG}.jssh" ] && printf '["bot_config_key"]\t"config_key_value"\n' >>"${BOTCONFIG}.jssh"
if [ -z "$(getConfigKey "bottoken")" ]; then
# ask user for bot token
if [ -z "${INTERACTIVE}" ] && [ "$1" != "init" ]; then
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printf "Running headless, set BOTTOKEN or run ${SCRIPT} init first!\n"
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exit 2
else
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printf "${RED}ENTER BOT TOKEN...${NN}${ORANGE}PLEASE WRITE YOUR TOKEN HERE OR PRESS CTRL+C TO ABORT${NN}"
read -r token
printf "\n"
fi
[ -n "${token}" ] && printf '["bottoken"]\t"%s"\n' "${token}" >> "${BOTCONFIG}.jssh"
fi
# no botadmin, setup botadmin
if [ -z "$(getConfigKey "botadmin")" ]; then
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# ask user for bot admin
if [ -z "${INTERACTIVE}" ]; then
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printf "Running headless, set botadmin to AUTO MODE!\n"
else
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printf "${RED}ENTER BOT ADMIN...${NN}${ORANGE}PLEASE WRITE YOUR TELEGRAM ID HERE OR PRESS ENTER\nTO MAKE FIRST USER TYPING '/start' BOT ADMIN${NN}?\b"
read -r admin
fi
[ -z "${admin}" ] && admin='?'
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printf '["botadmin"]\t"%s"\n' "${admin}" >> "${BOTCONFIG}.jssh"
fi
# setup botacl file
if [ ! -f "${BOTACL}" ]; then
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printf "${GREY}Create initial ${BOTACL} file.${NN}"
printf '\n' >"${BOTACL}"
fi
# check data dir file
if [ ! -w "${DATADIR}" ]; then
printf "${RED}ERROR: ${DATADIR} does not exist or is not writeable!.${NN}"
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exit 2
fi
# setup count file
if [ ! -f "${COUNTFILE}.jssh" ]; then
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printf '["counted_user_chat_id"]\t"num_messages_seen"\n' >> "${COUNTFILE}.jssh"
elif [ ! -w "${COUNTFILE}.jssh" ]; then
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printf "${RED}ERROR: Can't write to ${COUNTFILE}!.${NN}"
ls -l "${COUNTFILE}.jssh"
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exit 2
fi
# setup blocked file
if [ ! -f "${BLOCKEDFILE}.jssh" ]; then
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printf '["blocked_user_or_chat_id"]\t"name and reason"\n' >>"${BLOCKEDFILE}.jssh"
fi
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fi
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if [[ ! -d "${LOGDIR}" || ! -w "${LOGDIR}" ]]; then
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LOGDIR="${RUNDIR:-.}"
fi
DEBUGLOG="${LOGDIR}/DEBUG.log"
ERRORLOG="${LOGDIR}/ERROR.log"
UPDATELOG="${LOGDIR}/BASHBOT.log"
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MESSAGELOG="${LOGDIR}/MESSAGE.log"
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debug_checks "start SOURCE=${SOURCE:-no}" "$@"
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# read BOTTOKEN from bot database if not set
if [ -z "${BOTTOKEN}" ]; then
BOTTOKEN="$(getConfigKey "bottoken")"
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if [ -z "${BOTTOKEN}" ]; then
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BOTERROR="Warning: can't get bot token, try to recover working config..."
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printf "${ORANGE}${BOTERROR}${NC} "
if [ -r "${BOTCONFIG}.jssh.ok" ]; then
log_error "${BOTERROR}"
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mv "${BOTCONFIG}.jssh" "${BOTCONFIG}.jssh.bad"
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cp "${BOTCONFIG}.jssh.ok" "${BOTCONFIG}.jssh"; printf "OK\n"
BOTTOKEN="$(getConfigKey "bottoken")"
else
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printf "\n${RED}Error: Can't recover from missing bot token! Remove ${BOTCONFIG}.jssh and run${NC} bashbot.sh init\n"
exit 7
fi
fi
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fi
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# BOTTOKEN format checks
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if ! check_token "${BOTTOKEN}"; then
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printf "\n${ORANGE}Warning: Your bot token is incorrect, it should have the following format:${NC}\n%b%b"\
"<your_bot_id>${RED}:${NC}<35_alphanumeric_characters-hash> ${RED}e.g. =>${NC} 123456789${RED}:${NC}Aa-Zz_0Aa-Zz_1Aa-Zz_2Aa-Zz_3Aa-Zz_4\n\n"\
"${GREY}Your bot token: '${NC}${BOTTOKEN//:/${RED}:${NC}}'\n"
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if [[ ! "${BOTTOKEN}" =~ ^[0-9]{8,10}: ]]; then
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printf "${GREY}\tHint: Bot id not a number or wrong len: ${NC}$(($(wc -c <<<"${BOTTOKEN%:*}")-1)) ${GREY}but should be${NC} 8-10\n"
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[ -n "$(getConfigKey "botid")" ] && printf "\t${GREEN}Did you mean: \"${NC}$(getConfigKey "botid")${GREEN}\" ?${NN}"
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fi
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[[ ! "${BOTTOKEN}" =~ :[a-zA-Z0-9_-]{35}$ ]] &&\
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printf "${GREY}\tHint: Hash contains invalid character or has not len${NC} 35 ${GREY}, hash len is ${NC}$(($(wc -c <<<"${BOTTOKEN#*:}")-1))\n"
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printf "\n"
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fi
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##################
# here we start with the real stuff
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BASHBOT_RETRY="" # retry by default
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URL="${BASHBOT_URL:-https://api.telegram.org/bot}${BOTTOKEN}"
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ME_URL=$URL'/getMe'
UPD_URL=$URL'/getUpdates?offset='
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GETFILE_URL=$URL'/getFile'
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#################
# BASHBOT COMMON functions
declare -rx SCRIPT SCRIPTDIR MODULEDIR RUNDIR ADDONDIR BOTACL DATADIR COUNTFILE
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declare -rx BOTTOKEN URL ME_URL UPD_URL GETFILE_URL
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declare -ax CMD
declare -Ax UPD BOTSENT USER MESSAGE URLS CONTACT LOCATION CHAT FORWARD REPLYTO VENUE iQUERY
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declare -Ax SERVICE NEWMEMBER LEFTMEMBER PINNED MIGRATE
export res CAPTION ME
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##################
# read commands file if we are not sourced
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COMMANDS="${BASHBOT_ETC:-.}/commands.sh"
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if [ -r "${COMMANDS}" ]; then
# shellcheck source=./commands.sh
source "${COMMANDS}" "source"
else
[ -z "${SOURCE}" ] && printf "${RED}Warning: ${COMMANDS} does not exist or is not readable!.${NN}"
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fi
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###############
# load modules
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for module in "${MODULEDIR:-.}"/*.sh ; do
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# shellcheck source=./modules/aliases.sh
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if ! _is_function "$(basename "${module}")" && [ -r "${module}" ]; then source "${module}" "source"; fi
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done
#####################
# BASHBOT INTERNAL functions
#
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# do we have BSD sed
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sed '1ia' </dev/null 2>/dev/null || printf "${ORANGE}Warning: You may run on a BSD style system without gnu utils ...${NN}"
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#jsonDB is now mandatory
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if ! _is_function jssh_newDB; then
printf "${RED}ERROR: Mandatory module jsonDB is missing or not readable!${NN}"
exit 6
fi
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# $1 URL, $2 filename in DATADIR
# outputs final filename
download() {
local empty="no.file" file="${2:-${empty}}"
if [[ "$file" = *"/"* ]] || [[ "$file" = "."* ]]; then file="${empty}"; fi
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while [ -f "${DATADIR:-.}/${file}" ] ; do file="$RAMDOM-${file}"; done
getJson "$1" >"${DATADIR:-.}/${file}" || return
printf '%s\n' "${DATADIR:-.}/${file}"
}
# $1 postfix, e.g. chatid
# $2 prefix, back- or startbot-
procname(){
printf '%s\n' "$2${ME}_$1"
}
# $1 string to search for programme incl. parameters
# returns a list of PIDs of all current bot processes matching $1
proclist() {
# shellcheck disable=SC2009
ps -fu "${UID}" | grep -F "$1" | grep -v ' grep'| grep -F "${ME}" | sed 's/\s\+/\t/g' | cut -f 2
}
# $1 string to search for programme to kill
killallproc() {
local procid; procid="$(proclist "$1")"
if [ -n "${procid}" ] ; then
# shellcheck disable=SC2046
kill $(proclist "$1")
sleep 1
procid="$(proclist "$1")"
# shellcheck disable=SC2046
[ -n "${procid}" ] && kill $(proclist -9 "$1")
fi
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debug_checks "end killallproc" "${1}"
}
# $ chat $2 msg_id $3 nolog
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declare -xr DELETE_URL=$URL'/deleteMessage'
delete_message() {
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[ -z "$3" ] && log_update "Delete Message CHAT=${1} MSG_ID=${2}"
sendJson "${1}" '"message_id": '"${2}"'' "${DELETE_URL}"
}
get_file() {
[ -z "$1" ] && return
sendJson "" '"file_id": "'"${1}"'"' "${GETFILE_URL}"
printf '%s\n' "${URL}"/"$(JsonGetString <<< "${res}" '"result","file_path"')"
}
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# curl is preferred, try detect curl even not in PATH
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# return TRUE if curl is found or custom curl detected
# return FALSE if no curl is found or wget is forced by BASHBOT_WGET
# sets BASHBOT_CURL to point to curl
DETECTED_CURL="curl"
function detect_curl() {
# custom curl command
[ -n "${BASHBOT_CURL}" ] && return 0
# use wget
if [ -n "${BASHBOT_WGET}" ]; then
DETECTED_CURL="wget"
return 1
fi
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# default use curl in PATH
BASHBOT_CURL="curl"
_exists curl && return 0
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# search in usual locations
local file
for file in /usr/bin /bin /usr/local/bin; do
if [ -x "${file}/curl" ]; then
BASHBOT_CURL="${file}/curl"
return 0
fi
done
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# curl not in PATH and not in usual locations
DETECTED_CURL="wget"
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local warn="Warning: Curl not detected, try fallback to wget! pls install curl or adjust BASHBOT_CURL/BASHBOT_WGET environment variables."
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log_update "${warn}"; [ -n "${BASHBOTDEBUG}" ] && log_debug "${warn}"
return 1
}
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# iconv used to filter out broken utf characters, if not installed fake it
if ! _exists iconv; then
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log_update "Warning: iconv not installed, pls imstall iconv!"
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function iconv() { cat; }
fi
TIMEOUT="${BASHBOT_TIMEOUT}"
[[ "$TIMEOUT" =~ ^[0-9]+$ ]] || TIMEOUT="20"
# usage: sendJson "chat" "JSON" "URL"
sendJson(){
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local json chat=""
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if [ -n "${1}" ]; then
chat='"chat_id":'"${1}"','
[[ "${1}" == *[!0-9-]* ]] && chat='"chat_id":"'"${1}"' NAN",' # chat id not a number!
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fi
# compose final json
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json='{'"${chat} $(iconv -f utf-8 -t utf-8 -c <<<"$2")"'}'
if [ -n "${BASHBOTDEBUG}" ] ; then
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log_update "sendJson (${DETECTED_CURL}) CHAT=${chat#*:} JSON=${2:0:100} URL=${3##*/}"
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log_message "DEBUG sendJson ==========\n$("${JSONSHFILE}" -b -n <<<"${json}" 2>&1)"
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fi
# chat id not a number
if [[ "${chat}" == *"NAN\"," ]]; then
sendJsonResult "$(printf '["ok"]\tfalse\n["error_code"]\t400\n["description"]\t"Bad Request: chat id not a number"\n')"\
"sendJson (NAN)" "$@"
return
fi
# OK here we go ...
# route to curl/wget specific function
res="$(sendJson_do "${json}" "${3}")"
# check telegram response
sendJsonResult "${res}" "sendJson (${DETECTED_CURL})" "$@"
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[ -n "${BASHBOT_EVENT_SEND[*]}" ] && event_send "send" "${@}" &
}
#
# curl / wget specific functions
#
if detect_curl ; then
# here we have curl ----
[ -z "${BASHBOT_CURL}" ] && BASHBOT_CURL="curl"
getJson(){
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[[ -n "${BASHBOTDEBUG}" && -n "${3}" ]] && log_debug "getJson (curl) URL=${1##*/}"
# shellcheck disable=SC2086
"${BASHBOT_CURL}" -sL -k ${BASHBOT_CURL_ARGS} -m "${TIMEOUT}" "$1"
}
# curl variant for sendJson
# usage: "JSON" "URL"
sendJson_do(){
# shellcheck disable=SC2086
"${BASHBOT_CURL}" -s -k ${BASHBOT_CURL_ARGS} -m "${TIMEOUT}"\
-d "${1}" -X POST "${2}" -H "Content-Type: application/json" | "${JSONSHFILE}" -b -n 2>/dev/null
}
#$1 Chat, $2 what, $3 file, $4 URL, $5 caption
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sendUpload() {
[ "$#" -lt 4 ] && return
if [ -n "$5" ]; then
[ -n "${BASHBOTDEBUG}" ] &&\
log_update "sendUpload CHAT=${1} WHAT=${2} FILE=${3} CAPT=${5}"
# shellcheck disable=SC2086
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res="$("${BASHBOT_CURL}" -s -k ${BASHBOT_CURL_ARGS} "$4" -F "chat_id=$1"\
-F "$2=@$3;${3##*/}" -F "caption=$5" | "${JSONSHFILE}" -b -n 2>/dev/null )"
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else
# shellcheck disable=SC2086
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res="$("${BASHBOT_CURL}" -s -k ${BASHBOT_CURL_ARGS} "$4" -F "chat_id=$1"\
-F "$2=@$3;${3##*/}" | "${JSONSHFILE}" -b -n 2>/dev/null )"
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fi
sendJsonResult "${res}" "sendUpload (curl)" "$@"
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[ -n "${BASHBOT_EVENT_SEND[*]}" ] && event_send "upload" "$@" &
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}
else
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# NO curl, try wget
if _exists wget; then
getJson(){
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[[ -n "${BASHBOTDEBUG}" && -z "${3}" ]] && log_debug "getJson (wget) URL=${1##*/}"
# shellcheck disable=SC2086
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wget --no-check-certificate -t 2 -T "${TIMEOUT}" ${BASHBOT_WGET_ARGS} -qO - "$1"
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}
# curl variant for sendJson
# usage: "JSON" "URL"
sendJson_do(){
# shellcheck disable=SC2086
wget --no-check-certificate -t 2 -T "${TIMEOUT}" ${BASHBOT_WGET_ARGS} -qO - --post-data="${1}" \
--header='Content-Type:application/json' "${2}" | "${JSONSHFILE}" -b -n 2>/dev/null
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}
sendUpload() {
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log_error "Sorry, wget does not support file upload"
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BOTSENT[OK]="false"
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[ -n "${BASHBOT_EVENT_SEND[*]}" ] && event_send "upload" "$@" &
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}
else
# ups, no curl AND no wget
if [ -n "${BASHBOT_WGET}" ]; then
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printf "${RED}Error: You set BASHBOT_WGET but no wget found!${NN}"
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else
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printf "${RED}Error: curl and wget not found, install curl!${NN}"
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fi
exit 8
fi
fi
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# retry sendJson
# $1 function $2 sleep $3 ... $n arguments
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sendJsonRetry(){
local retry="${1}"; shift
[[ "${1}" =~ ^\ *[0-9.]+\ *$ ]] && sleep "${1}"; shift
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printf "%s: RETRY %s %s %s\n" "$(date)" "${retry}" "${1}" "${2:0:60}"
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case "${retry}" in
'sendJson'*)
sendJson "$@"
;;
'sendUpload'*)
sendUpload "$@"
;;
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'send_album'*)
send_album "$@"
;;
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*)
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log_error "Error: unknown function ${retry}, cannot retry"
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return
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;;
esac
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[ "${BOTSENT[OK]}" = "true" ] && log_error "Retry OK:${retry} ${1} ${2:0:60}"
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} >>"${ERRORLOG}"
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# process sendJson result
# stdout is written to ERROR.log
# $1 result $2 function $3 .. $n original arguments, $3 is Chat_id
sendJsonResult(){
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local offset=0
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BOTSENT=( )
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[ -n "${BASHBOTDEBUG}" ] && log_message "New Result ==========\n$1"
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BOTSENT[OK]="$(JsonGetLine '"ok"' <<< "${1}")"
if [ "${BOTSENT[OK]}" = "true" ]; then
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BOTSENT[ID]="$(JsonGetValue '"result","message_id"' <<< "${1}")"
return
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# hot path everything OK!
else
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# oops something went wrong!
if [ "${1}" != "" ]; then
BOTSENT[ERROR]="$(JsonGetValue '"error_code"' <<< "${1}")"
BOTSENT[DESCRIPTION]="$(JsonGetString '"description"' <<< "${1}")"
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grep -qs -F '"parameters","retry_after"' <<< "${1}" &&\
BOTSENT[RETRY]="$(JsonGetValue '"parameters","retry_after"' <<< "${1}")"
else
BOTSENT[OK]="false"
BOTSENT[ERROR]="999"
BOTSENT[DESCRIPTION]="Send to telegram not possible, timeout/broken/no connection"
fi
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# log error
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[[ "${BOTSENT[ERROR]}" = "400" && "${BOTSENT[DESCRIPTION]}" == *"starting at byte offset"* ]] &&\
offset="${BOTSENT[DESCRIPTION]%* }"
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printf "%s: RESULT=%s FUNC=%s CHAT[ID]=%s ERROR=%s DESC=%s ACTION=%s\n" "$(date)"\
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"${BOTSENT[OK]}" "${2}" "${3}" "${BOTSENT[ERROR]}" "${BOTSENT[DESCRIPTION]}" "${4:${offset}:100}"
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# warm path, do not retry on error, also if we use wegt
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[ -n "${BASHBOT_RETRY}${BASHBOT_WGET}" ] && return
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# OK, we can retry sendJson, let's see what's failed
# throttled, telegram say we send too many messages
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if [ -n "${BOTSENT[RETRY]}" ]; then
BASHBOT_RETRY="$(( ++BOTSENT[RETRY] ))"
printf "Retry %s in %s seconds ...\n" "${2}" "${BASHBOT_RETRY}"
sendJsonRetry "${2}" "${BASHBOT_RETRY}" "${@:3}"
unset BASHBOT_RETRY
return
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fi
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# timeout, failed connection or blocked
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if [ "${BOTSENT[ERROR]}" == "999" ];then
# check if default curl and args are OK
if ! curl -sL -k -m 2 "${URL}" >/dev/null 2>&1 ; then
printf "%s: BASHBOT IP Address seems blocked!\n" "$(date)"
# user provided function to recover or notify block
if _exec_if_function bashbotBlockRecover; then
BASHBOT_RETRY="2"
printf "bashbotBlockRecover returned true, retry %s ...\n" "${2}"
sendJsonRetry "${2}" "${BASHBOT_RETRY}" "${@:3}"
unset BASHBOT_RETRY
fi
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return
fi
# are not blocked, default curl and args are working
if [ -n "${BASHBOT_CURL_ARGS}" ] || [ "${BASHBOT_CURL}" != "curl" ]; then
printf "Problem with \"%s %s\"? retry %s with default config ...\n"\
"${BASHBOT_CURL}" "${BASHBOT_CURL_ARGS}" "${2}"
BASHBOT_RETRY="2"; BASHBOT_CURL="curl"; BASHBOT_CURL_ARGS=""
sendJsonRetry "${2}" "${BASHBOT_RETRY}" "${@:3}"
unset BASHBOT_RETRY
fi
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fi
fi
} >>"${ERRORLOG}"
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# escape / remove text characters for json strings, eg. " -> \"
# $1 string
# output escaped string
JsonEscape(){
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sed 's/\([-"`´,§$%&/(){}#@!?*.\t]\)/\\\1/g' <<< "$1"
}
# convert common telegram entities to JSON
# title caption description markup inlinekeyboard
title2Json(){
local title caption desc markup keyboard
[ -n "$1" ] && title=',"title":"'$(JsonEscape "$1")'"'
[ -n "$2" ] && caption=',"caption":"'$(JsonEscape "$2")'"'
[ -n "$3" ] && desc=',"description":"'$(JsonEscape "$3")'"'
[ -n "$4" ] && markup=',"parse_mode":"'"$4"'"'
[ -n "$5" ] && keyboard=',"reply_markup":"'$(JsonEscape "$5")'"'
printf '%s\n' "${title}${caption}${desc}${markup}${keyboard}"
}
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# get bot name and id from telegram
getBotName() {
declare -A BOTARRAY
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Json2Array 'BOTARRAY' <<<"$(getJson "$ME_URL" | "${JSONSHFILE}" -b -n 2>/dev/null)"
[ -z "${BOTARRAY["result","username"]}" ] && return 1
# save botname and id
setConfigKey "botname" "${BOTARRAY["result","username"]}"
setConfigKey "botid" "${BOTARRAY["result","id"]}"
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printf "${BOTARRAY["result","username"]}\n"
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}
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# pure bash implementation, done by KayM (@gnadelwartz)
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# see https://stackoverflow.com/a/55666449/9381171
JsonDecode() {
local out="$1" remain="" U=""
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local regexp='(.*)\\u[dD]([0-9a-fA-F]{3})\\u[dD]([0-9a-fA-F]{3})(.*)'
while [[ "${out}" =~ $regexp ]] ; do
U=$(( ( (0xd${BASH_REMATCH[2]} & 0x3ff) <<10 ) | ( 0xd${BASH_REMATCH[3]} & 0x3ff ) + 0x10000 ))
remain="$(printf '\\U%8.8x' "${U}")${BASH_REMATCH[4]}${remain}"
out="${BASH_REMATCH[1]}"
done
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#printf "%b\n" "${out}${remain}" # seems to work ... dealyed to next dev
echo -e "${out}${remain}"
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}
JsonGetString() {
sed -n -e '0,/\['"$1"'\]/ s/\['"$1"'\][ \t]"\(.*\)"$/\1/p'
}
JsonGetLine() {
sed -n -e '0,/\['"$1"'\]/ s/\['"$1"'\][ \t]//p'
}
JsonGetValue() {
sed -n -e '0,/\['"$1"'\]/ s/\['"$1"'\][ \t]\([0-9.,]*\).*/\1/p'
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}
################
# processing of updates starts here
process_updates() {
local max num debug="$1"
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max="$(grep -F ',"update_id"]' <<< "${UPDATE}" | tail -1 | cut -d , -f 2 )"
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Json2Array 'UPD' <<<"${UPDATE}"
for ((num=0; num<=max; num++)); do
process_client "$num" "${debug}"
done
}
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process_client() {
local num="$1" debug="$2"
pre_process_message "${num}"
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# log message on debug
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[[ -n "${debug}" ]] && log_message "New Message ==========\n$(grep -F '["result",'"${num}" <<<"${UPDATE}")"
# check for users / groups to ignore
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jssh_updateArray_async "BASHBOTBLOCKED" "${BLOCKEDFILE}"
[ -n "${USER[ID]}" ] && [[ -n "${BASHBOTBLOCKED[${USER[ID]}]}" || -n "${BASHBOTBLOCKED[${CHAT[ID]}]}" ]] && return
# process per message type
if [ -z "${iQUERY[ID]}" ]; then
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if grep -qs -e '\["result",'"${num}"',"edited_message"' <<<"${UPDATE}"; then
# edited message
UPDATE="${UPDATE//,${num},\"edited_message\",/,${num},\"message\",}"
Json2Array 'UPD' <<<"${UPDATE}"
MESSAGE[0]="/_edited_message "
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fi
process_message "${num}" "${debug}"
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printf "%s: update received FROM=%s CHAT=%s CMD=%s\n" "$(date)" "${USER[USERNAME]:0:20} (${USER[ID]})"\
"${CHAT[USERNAME]:0:20}${CHAT[TITLE]:0:30} (${CHAT[ID]})"\
"${MESSAGE:0:30}${CAPTION:0:30}${URLS[*]:0:30}" >>"${UPDATELOG}"
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else
process_inline "${num}" "${debug}"
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printf "%s: iQuery received FROM=%s iQUERY=%s\n" "$(date)"\
"${iQUERY[USERNAME]:0:20} (${iQUERY[USER_ID]})" "${iQUERY[0]}" >>"${UPDATELOG}"
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fi
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#####
# process inline and message events
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# first classic command dispatcher
# shellcheck source=./commands.sh
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source "${COMMANDS}" "${debug}" &
# then all registered addons
if [ -z "${iQUERY[ID]}" ]; then
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event_message "${debug}"
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else
event_inline "${debug}"
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fi
# last count users
jssh_countKeyDB_async "${CHAT[ID]}" "${COUNTFILE}"
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}
declare -Ax BASHBOT_EVENT_INLINE BASHBOT_EVENT_MESSAGE BASHBOT_EVENT_CMD BASHBOT_EVENT_REPLY BASHBOT_EVENT_FORWARD BASHBOT_EVENT_SEND
declare -Ax BASHBOT_EVENT_CONTACT BASHBOT_EVENT_LOCATION BASHBOT_EVENT_FILE BASHBOT_EVENT_TEXT BASHBOT_EVENT_TIMER BASHBOT_BLOCKED
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start_timer(){
# send alarm every ~60 s
while :; do
sleep 59.5
kill -ALRM $$
done;
}
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EVENT_SEND="0"
event_send() {
# max recursion level 5 to avoid fork bombs
(( EVENT_SEND++ )); [ "$EVENT_SEND" -gt "5" ] && return
# shellcheck disable=SC2153
for key in "${!BASHBOT_EVENT_SEND[@]}"
do
_exec_if_function "${BASHBOT_EVENT_SEND[${key}]}" "$@"
done
}
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EVENT_TIMER="0"
event_timer() {
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local key timer debug="$1"
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(( EVENT_TIMER++ ))
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# shellcheck disable=SC2153
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for key in "${!BASHBOT_EVENT_TIMER[@]}"
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do
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timer="${key##*,}"
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[[ ! "$timer" =~ ^-*[1-9][0-9]*$ ]] && continue
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if [ "$(( EVENT_TIMER % timer ))" = "0" ]; then
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_exec_if_function "${BASHBOT_EVENT_TIMER[${key}]}" "timer" "${key}" "${debug}"
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[ "$(( EVENT_TIMER % timer ))" -lt "0" ] && \
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unset BASHBOT_EVENT_TIMER["${key}"]
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fi
done
}
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event_inline() {
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local key debug="$1"
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# shellcheck disable=SC2153
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for key in "${!BASHBOT_EVENT_INLINE[@]}"
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do
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_exec_if_function "${BASHBOT_EVENT_INLINE[${key}]}" "inline" "${key}" "${debug}"
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done
}
event_message() {
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local key debug="$1"
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# ${MESSAEG[*]} event_message
# shellcheck disable=SC2153
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for key in "${!BASHBOT_EVENT_MESSAGE[@]}"
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do
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_exec_if_function "${BASHBOT_EVENT_MESSAGE[${key}]}" "message" "${key}" "${debug}"
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done
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# ${TEXT[*]} event_text
if [ -n "${MESSAGE[0]}" ]; then
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# shellcheck disable=SC2153
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for key in "${!BASHBOT_EVENT_TEXT[@]}"
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do
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_exec_if_function "${BASHBOT_EVENT_TEXT[${key}]}" "text" "${key}" "${debug}"
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done
# ${CMD[*]} event_cmd
if [ -n "${CMD[0]}" ]; then
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# shellcheck disable=SC2153
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for key in "${!BASHBOT_EVENT_CMD[@]}"
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do
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_exec_if_function "${BASHBOT_EVENT_CMD[${key}]}" "command" "${key}" "${debug}"
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done
fi
fi
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# ${REPLYTO[*]} event_replyto
if [ -n "${REPLYTO[UID]}" ]; then
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# shellcheck disable=SC2153
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for key in "${!BASHBOT_EVENT_REPLYTO[@]}"
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do
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_exec_if_function "${BASHBOT_EVENT_REPLYTO[${key}]}" "replyto" "${key}" "${debug}"
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done
fi
# ${FORWARD[*]} event_forward
if [ -n "${FORWARD[UID]}" ]; then
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# shellcheck disable=SC2153
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for key in "${!BASHBOT_EVENT_FORWARD[@]}"
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do
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_exec_if_function && "${BASHBOT_EVENT_FORWARD[${key}]}" "forward" "${key}" "${debug}"
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done
fi
# ${CONTACT[*]} event_contact
if [ -n "${CONTACT[FIRST_NAME]}" ]; then
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# shellcheck disable=SC2153
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for key in "${!BASHBOT_EVENT_CONTACT[@]}"
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do
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_exec_if_function "${BASHBOT_EVENT_CONTACT[${key}]}" "contact" "${key}" "${debug}"
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done
fi
# ${VENUE[*]} event_location
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# ${LOCATION[*]} event_location
if [ -n "${LOCATION[LONGITUDE]}" ] || [ -n "${VENUE[TITLE]}" ]; then
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# shellcheck disable=SC2153
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for key in "${!BASHBOT_EVENT_LOCATION[@]}"
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do
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_exec_if_function "${BASHBOT_EVENT_LOCATION[${key}]}" "location" "${key}" "${debug}"
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done
fi
# ${URLS[*]} event_file
# NOTE: compare again #URLS -1 blanks!
if [[ "${URLS[*]}" != " " ]]; then
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# shellcheck disable=SC2153
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for key in "${!BASHBOT_EVENT_FILE[@]}"
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do
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_exec_if_function "${BASHBOT_EVENT_FILE[${key}]}" "file" "${key}" "${debug}"
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done
fi
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}
pre_process_message(){
local num="${1}"
# unset everything to not have old values
CMD=( ); iQUERY=( ); MESSAGE=(); CHAT=(); USER=(); CONTACT=(); LOCATION=(); unset CAPTION
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REPLYTO=( ); FORWARD=( ); URLS=(); VENUE=( ); SERVICE=( ); NEWMEMBER=( ); LEFTMEMBER=( ); PINNED=( ); MIGRATE=( )
iQUERY[ID]="${UPD["result",${num},"inline_query","id"]}"
CHAT[ID]="${UPD["result",${num},"message","chat","id"]}"
USER[ID]="${UPD["result",${num},"message","from","id"]}"
[ -z "${CHAT[ID]}" ] && CHAT[ID]="${UPD["result",${num},"edited_message","chat","id"]}"
[ -z "${USER[ID]}" ] && USER[ID]="${UPD["result",${num},"edited_message","from","id"]}"
# always true
return 0
}
process_inline() {
local num="${1}"
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iQUERY[0]="$(JsonDecode "${UPD["result",${num},"inline_query","query"]}")"
iQUERY[USER_ID]="${UPD["result",${num},"inline_query","from","id"]}"
iQUERY[FIRST_NAME]="$(JsonDecode "${UPD["result",${num},"inline_query","from","first_name"]}")"
iQUERY[LAST_NAME]="$(JsonDecode "${UPD["result",${num},"inline_query","from","last_name"]}")"
iQUERY[USERNAME]="$(JsonDecode "${UPD["result",${num},"inline_query","from","username"]}")"
# always true
return 0
}
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process_message() {
local num="$1"
# Message
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MESSAGE[0]+="$(JsonDecode "${UPD["result",${num},"message","text"]}" | sed 's|\\/|/|g')"
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MESSAGE[ID]="${UPD["result",${num},"message","message_id"]}"
# Chat ID is now parsed when update is received
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CHAT[LAST_NAME]="$(JsonDecode "${UPD["result",${num},"message","chat","last_name"]}")"
CHAT[FIRST_NAME]="$(JsonDecode "${UPD["result",${num},"message","chat","first_name"]}")"
CHAT[USERNAME]="$(JsonDecode "${UPD["result",${num},"message","chat","username"]}")"
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# set real name as username if empty
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[ -z "${CHAT[USERNAME]}" ] && CHAT[USERNAME]="${CHAT[FIRST_NAME]} ${CHAT[LAST_NAME]}"
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CHAT[TITLE]="$(JsonDecode "${UPD["result",${num},"message","chat","title"]}")"
CHAT[TYPE]="$(JsonDecode "${UPD["result",${num},"message","chat","type"]}")"
CHAT[ALL_ADMIN]="${UPD["result",${num},"message","chat","all_members_are_administrators"]}"
# user ID is now parsed when update is received
#USER[ID]="${UPD["result",${num},"message","from","id"]}"
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USER[FIRST_NAME]="$(JsonDecode "${UPD["result",${num},"message","from","first_name"]}")"
USER[LAST_NAME]="$(JsonDecode "${UPD["result",${num},"message","from","last_name"]}")"
USER[USERNAME]="$(JsonDecode "${UPD["result",${num},"message","from","username"]}")"
# set real name as username if empty
[ -z "${USER[USERNAME]}" ] && USER[USERNAME]="${USER[FIRST_NAME]} ${USER[LAST_NAME]}"
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# in reply to message from
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if [ -n "${UPD["result",${num},"message","reply_to_message","from","id"]}" ]; then
REPLYTO[UID]="${UPD["result",${num},"message","reply_to_message","from","id"]}"
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REPLYTO[0]="$(JsonDecode "${UPD["result",${num},"message","reply_to_message","text"]}")"
REPLYTO[ID]="${UPD["result",${num},"message","reply_to_message","message_id"]}"
REPLYTO[FIRST_NAME]="$(JsonDecode "${UPD["result",${num},"message","reply_to_message","from","first_name"]}")"
REPLYTO[LAST_NAME]="$(JsonDecode "${UPD["result",${num},"message","reply_to_message","from","last_name"]}")"
REPLYTO[USERNAME]="$(JsonDecode "${UPD["result",${num},"message","reply_to_message","from","username"]}")"
fi
# forwarded message from
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if [ -n "${UPD["result",${num},"message","forward_from","id"]}" ]; then
FORWARD[UID]="${UPD["result",${num},"message","forward_from","id"]}"
FORWARD[ID]="${MESSAGE[ID]}" # same as message ID
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FORWARD[FIRST_NAME]="$(JsonDecode "${UPD["result",${num},"message","forward_from","first_name"]}")"
FORWARD[LAST_NAME]="$(JsonDecode "${UPD["result",${num},"message","forward_from","last_name"]}")"
FORWARD[USERNAME]="$(JsonDecode "${UPD["result",${num},"message","forward_from","username"]}")"
fi
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# get file URL from telegram, check for any of them!
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if grep -qs -e '\["result",'"${num}"',"message","[avpsd].*,"file_id"\]' <<<"${UPDATE}"; then
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URLS[AUDIO]="$(get_file "${UPD["result",${num},"message","audio","file_id"]}")"
URLS[DOCUMENT]="$(get_file "${UPD["result",${num},"message","document","file_id"]}")"
URLS[PHOTO]="$(get_file "${UPD["result",${num},"message","photo",0,"file_id"]}")"
URLS[STICKER]="$(get_file "${UPD["result",${num},"message","sticker","file_id"]}")"
URLS[VIDEO]="$(get_file "${UPD["result",${num},"message","video","file_id"]}")"
URLS[VOICE]="$(get_file "${UPD["result",${num},"message","voice","file_id"]}")"
fi
2020-12-13 09:10:15 +00:00
# Contact, must have phone_number
if [ -n "${UPD["result",${num},"message","contact","phone_number"]}" ]; then
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CONTACT[USER_ID]="$(JsonDecode "${UPD["result",${num},"message","contact","user_id"]}")"
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CONTACT[FIRST_NAME]="$(JsonDecode "${UPD["result",${num},"message","contact","first_name"]}")"
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CONTACT[LAST_NAME]="$(JsonDecode "${UPD["result",${num},"message","contact","last_name"]}")"
CONTACT[NUMBER]="${UPD["result",${num},"message","contact","phone_number"]}"
CONTACT[VCARD]="$(JsonGetString '"result",'"${num}"',"message","contact","vcard"' <<<"${UPDATE}")"
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fi
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2020-12-13 09:10:15 +00:00
# venue, must have a position
if [ -n "${UPD["result",${num},"message","venue","location","longitude"]}" ]; then
VENUE[TITLE]="$(JsonDecode "${UPD["result",${num},"message","venue","title"]}")"
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VENUE[ADDRESS]="$(JsonDecode "${UPD["result",${num},"message","venue","address"]}")"
VENUE[LONGITUDE]="${UPD["result",${num},"message","venue","location","longitude"]}"
VENUE[LATITUDE]="${UPD["result",${num},"message","venue","location","latitude"]}"
VENUE[FOURSQUARE]="${UPD["result",${num},"message","venue","foursquare_id"]}"
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fi
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# Caption
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CAPTION="$(JsonDecode "${UPD["result",${num},"message","caption"]}")"
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# Location
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LOCATION[LONGITUDE]="${UPD["result",${num},"message","location","longitude"]}"
LOCATION[LATITUDE]="${UPD["result",${num},"message","location","latitude"]}"
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# service messages, group or channel only!
if [[ "${CHAT[ID]}" == "-"* ]] ; then
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# new chat member
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if [ -n "${UPD["result",${num},"message","new_chat_member","id"]}" ]; then
SERVICE[NEWMEMBER]="${UPD["result",${num},"message","new_chat_member","id"]}"
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NEWMEMBER[ID]="${SERVICE[NEWMEMBER]}"
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NEWMEMBER[FIRST_NAME]="$(JsonDecode "${UPD["result",${num},"message","new_chat_member","first_name"]}")"
NEWMEMBER[LAST_NAME]="$(JsonDecode "${UPD["result",${num},"message","new_chat_member","last_name"]}")"
NEWMEMBER[USERNAME]="$(JsonDecode "${UPD["result",${num},"message","new_chat_member","username"]}")"
2020-05-14 11:04:57 +00:00
NEWMEMBER[ISBOT]="${UPD["result",${num},"message","new_chat_member","is_bot"]}"
[ -z "${MESSAGE[0]}" ] &&\
MESSAGE[0]="/_new_chat_member ${NEWMEMBER[ID]} ${NEWMEMBER[USERNAME]:=${NEWMEMBER[FIRST_NAME]} ${NEWMEMBER[LAST_NAME]}}"
fi
2020-12-13 09:24:26 +00:00
# left chat member
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if [ -n "${UPD["result",${num},"message","left_chat_member","id"]}" ]; then
SERVICE[LEFTMEMBER]="${UPD["result",${num},"message","left_chat_member","id"]}"
LEFTMEMBER[ID]="${SERVICE[LEFTMEBER]}"
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LEFTMEMBER[FIRST_NAME]="$(JsonDecode "${UPD["result",${num},"message","left_chat_member","first_name"]}")"
LEFTMEMBER[LAST_NAME]="$(JsonDecode "${UPD["result",${num},"message","left_chat_member","last_name"]}")"
LEFTMEBER[USERNAME]="$(JsonDecode "${UPD["result",${num},"message","left_chat_member","username"]}")"
LEFTMEMBER[ISBOT]="${UPD["result",${num},"message","left_chat_member","is_bot"]}"
[ -z "${MESSAGE[0]}" ] &&\
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MESSAGE[0]="/_left_chat_member ${LEFTMEMBER[ID]} ${LEFTMEMBER[USERNAME]:=${LEFTMEMBER[FIRST_NAME]} ${LEFTMEMBER[LAST_NAME]}}"
fi
2020-12-13 09:24:26 +00:00
# chat title / photo, check for any of them!
if grep -qs -e '\["result",'"${num}"',"message","new_chat_[tp]' <<<"${UPDATE}"; then
2020-06-17 06:38:44 +00:00
SERVICE[NEWTITLE]="$(JsonDecode "${UPD["result",${num},"message","new_chat_title"]}")"
[ -z "${MESSAGE[0]}" ] && [ -n "${SERVICE[NEWTITLE]}" ] &&\
MESSAGE[0]="/_new_chat_title ${USER[ID]} ${SERVICE[NEWTITLE]}"
2020-06-17 06:38:44 +00:00
SERVICE[NEWPHOTO]="$(get_file "${UPD["result",${num},"message","new_chat_photo",0,"file_id"]}")"
[ -z "${MESSAGE[0]}" ] && [ -n "${SERVICE[NEWPHOTO]}" ] &&\
MESSAGE[0]="/_new_chat_photo ${USER[ID]} ${SERVICE[NEWPHOTO]}"
fi
2020-12-13 09:24:26 +00:00
# pinned message
if [ -n "${UPD["result",${num},"message","pinned_message","message_id"]}" ]; then
2020-12-13 11:00:18 +00:00
SERVICE[PINNED]="${UPD["result",${num},"message","pinned_message","message_id"]}"
PINNED[ID]="${SERVICE[PINNED]}"
PINNED[MESSAGE]="$(JsonDecode "${UPD["result",${num},"message","pinned_message","text"]}")"
2020-12-13 11:00:18 +00:00
[ -z "${MESSAGE[0]}" ] &&\
MESSAGE[0]="/_new_pinned_message ${USER[ID]} ${PINNED[ID]} ${PINNED[MESSAGE]}"
fi
2020-12-13 11:00:18 +00:00
# migrate to super group
if [ -n "${UPD["result",${num},"message","migrate_to_chat_id"]}" ]; then
MIGRATE[TO]="${UPD["result",${num},"message","migrate_to_chat_id"]}"
MIGRATE[FROM]="${UPD["result",${num},"message","migrate_from_chat_id"]}"
SERVICE[MIGRATE]="${MIGRATE[FROM]} ${MIGRATE[TO]}"
[ -z "${MESSAGE[0]}" ] &&\
MESSAGE[0]="/_migrate_group ${SERVICE[MIGRATE]}"
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fi
# set SERVICE to yes if a service message was received
[[ "${SERVICE[*]}" =~ ^[[:blank:]]*$ ]] || SERVICE[0]="yes"
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fi
2019-05-27 10:27:09 +00:00
# split message in command and args
2020-06-27 16:51:17 +00:00
[[ "${MESSAGE[0]}" == "/"* ]] && read -r CMD <<<"${MESSAGE[0]}" && CMD[0]="${CMD[0]%%@*}"
# everything went well
return 0
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}
#########################
2019-04-22 19:05:52 +00:00
# main get updates loop, should never terminate
2020-06-15 08:42:36 +00:00
declare -A BASHBOTBLOCKED
export BASHBOT_UPDATELOG="${BASHBOT_UPDATELOG-nolog}" # allow to be ""
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start_bot() {
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local DEBUGMSG OFFSET=0
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# adaptive sleep defaults
2020-06-23 18:57:38 +00:00
local nextsleep="100"
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local stepsleep="${BASHBOT_SLEEP_STEP:-100}"
local maxsleep="${BASHBOT_SLEEP:-5000}"
2020-06-14 07:10:43 +00:00
# startup message
2020-12-15 19:53:42 +00:00
DEBUGMSG="Start BASHBOT updates in Mode \"${1:-normal}\" =========="
log_update "${DEBUGMSG}"
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# redirect to Debug.log
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[[ "${1}" == *"debug" ]] && exec &>>"${DEBUGLOG}"
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log_debug "${DEBUGMSG}"; DEBUGMSG="${1}"
2020-11-29 14:57:26 +00:00
[[ "${DEBUGMSG}" == "xdebug"* ]] && set -x && unset BASHBOT_UPDATELOG
2020-09-26 19:25:17 +00:00
# cleaup old pipes and empty logfiles
2019-05-28 18:44:40 +00:00
find "${DATADIR}" -type p -delete
find "${DATADIR}" -size 0 -name "*.log" -delete
2019-05-25 17:31:20 +00:00
# load addons on startup
2019-12-07 12:25:50 +00:00
for addons in "${ADDONDIR:-.}"/*.sh ; do
2019-05-25 17:31:20 +00:00
# shellcheck source=./modules/aliases.sh
2020-06-30 05:26:16 +00:00
[ -r "${addons}" ] && source "${addons}" "startbot" "${DEBUGMSG}"
2019-05-25 17:31:20 +00:00
done
2020-05-14 11:04:57 +00:00
# shellcheck source=./commands.sh
source "${COMMANDS}" "startbot"
2019-05-29 15:33:31 +00:00
# start timer events
2020-06-09 14:51:50 +00:00
if [ -n "${BASHBOT_START_TIMER}" ] ; then
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# shellcheck disable=SC2064
2020-06-30 05:26:16 +00:00
trap "event_timer $DEBUGMSG" ALRM
2019-05-29 15:33:31 +00:00
start_timer &
# shellcheck disable=SC2064
trap "kill -9 $!; exit" EXIT INT HUP TERM QUIT
fi
# cleanup countfile on startup
2020-06-10 07:48:37 +00:00
jssh_deleteKeyDB "CLEAN_COUNTER_DATABASE_ON_STARTUP" "${COUNTFILE}"
2020-06-11 10:37:36 +00:00
[ -f "${COUNTFILE}.jssh.flock" ] && rm -f "${COUNTFILE}.jssh.flock"
# store start time and cleanup botconfig on startup
jssh_updateKeyDB "startup" "$(date)" "${BOTCONFIG}"
2020-06-19 10:49:18 +00:00
[ -f "${BOTCONFIG}.jssh.flock" ] && rm -f "${BOTCONFIG}.jssh.flock"
# read blocked users
2020-06-15 08:42:36 +00:00
jssh_readDB_async "BASHBOTBLOCKED" "${BLOCKEDFILE}"
2020-06-15 06:39:52 +00:00
# inform botadmin about start
2020-12-31 17:11:37 +00:00
send_normal_message "$(getConfigKey "botadmin")" "Bot $(getConfigKey "botname") started ..." &
##########
# bot is ready, start processing updates ...
while true; do
2020-06-09 12:46:45 +00:00
# adaptive sleep in ms rounded to next 0.1 s
2020-06-10 13:56:34 +00:00
sleep "$(_round_float "${nextsleep}e-3" "1")"
2020-06-09 12:46:45 +00:00
# get next update
UPDATE="$(getJson "${UPD_URL}${OFFSET}" "${BASHBOT_UPDATELOG}" 2>/dev/null | "${JSONSHFILE}" -b -n 2>/dev/null | iconv -f utf-8 -t utf-8 -c)"
2020-09-26 19:25:17 +00:00
# did we get an response?
2020-06-09 12:46:45 +00:00
if [ -n "${UPDATE}" ]; then
# we got something, do processing
2020-06-12 19:18:32 +00:00
[ "${OFFSET}" = "-999" ] && [ "${nextsleep}" -gt "$((maxsleep*2))" ] &&\
2020-06-27 08:43:08 +00:00
log_error "Recovered from timeout/broken/no connection, continue with telegram updates"
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# escape bash $ expansion bug
2020-06-12 08:00:52 +00:00
((nextsleep+= stepsleep , nextsleep= nextsleep>maxsleep ?maxsleep:nextsleep))
2020-06-09 12:46:45 +00:00
UPDATE="${UPDATE//$/\\$}"
# Offset
OFFSET="$(grep <<< "${UPDATE}" '\["result",[0-9]*,"update_id"\]' | tail -1 | cut -f 2)"
((OFFSET++))
if [ "$OFFSET" != "1" ]; then
nextsleep="100"
2020-06-30 05:26:16 +00:00
process_updates "${DEBUGMSG}"
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fi
else
# oops, something bad happened, wait maxsleep*10
(( nextsleep=nextsleep*2 , nextsleep= nextsleep>maxsleep*10 ?maxsleep*10:nextsleep ))
2020-12-14 13:00:23 +00:00
# second time, report problem
if [ "${OFFSET}" = "-999" ]; then
log_error "Repeated timeout/broken/no connection on telegram update, sleep $(_round_float "${nextsleep}e-3")s"
# try to recover
if _is_function bashbotBlockRecover && [ -z "$(getJson "${ME_URL}")" ]; then
log_error "Try to recover, calling bashbotBlockRecover ..."
2020-12-15 19:53:42 +00:00
bashbotBlockRecover >>"${ERRORLOG}"
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fi
fi
OFFSET="-999"
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fi
done
}
# initialize bot environment, user and permissions
bot_init() {
2020-06-08 14:04:45 +00:00
[ -n "${BASHBOT_HOME}" ] && cd "${BASHBOT_HOME}" || exit 1
2019-05-25 17:31:20 +00:00
local DEBUG="$1"
# upgrade from old version
2020-12-27 14:12:35 +00:00
# currently no action
2020-12-26 20:18:18 +00:00
printf "Check for Update actions ...\n"
printf "Done.\n"
2020-12-27 14:12:35 +00:00
# load addons on startup
2020-12-26 20:18:18 +00:00
printf "Initialize modules and addons ...\n"
2019-12-07 12:25:50 +00:00
for addons in "${ADDONDIR:-.}"/*.sh ; do
2019-05-25 17:31:20 +00:00
# shellcheck source=./modules/aliases.sh
[ -r "${addons}" ] && source "${addons}" "init" "${DEBUG}"
done
2020-12-26 20:18:18 +00:00
printf "Done.\n"
# setup bashbot
[[ "${UID}" -eq "0" ]] && RUNUSER="nobody"
2020-12-26 20:18:18 +00:00
printf "Enter User to run bashbot [$RUNUSER]: "
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read -r TOUSER
[ -z "$TOUSER" ] && TOUSER="$RUNUSER"
if ! id "$TOUSER" &>/dev/null; then
2020-12-26 20:18:18 +00:00
printf "${RED}User \"$TOUSER\" not found!${NN}"
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exit 3
else
2020-12-26 20:18:18 +00:00
printf "Adjusting files and permissions for user \"${TOUSER}\" ...\n"
[ -w "bashbot.rc" ] && sed -i '/^[# ]*runas=/ s/runas=.*$/runas="'$TOUSER'"/' "bashbot.rc"
2019-04-22 19:05:52 +00:00
chmod 711 .
chmod -R o-w ./*
chmod -R u+w "${COUNTFILE}"* "${BLOCKEDFILE}"* "${DATADIR}" logs "${LOGDIR}/"*.log 2>/dev/null
chmod -R o-r,o-w "${COUNTFILE}"* "${BLOCKEDFILE}"* "${DATADIR}" "${BOTACL}" 2>/dev/null
2019-06-03 14:05:02 +00:00
# jsshDB must writeable by owner
find . -name '*.jssh*' -exec chmod u+w \{\} +
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chown -R "$TOUSER" . ./*
2020-12-26 20:18:18 +00:00
printf "Done.\n"
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fi
# ask to check bottoken online
if [ -z "$(getConfigKey "botid")" ]; then
2020-12-26 20:18:18 +00:00
printf "Seems to be your first init. Should I verify your bot token online? (y/N) N\b"
read -r ANSWER
if [[ "${ANSWER}" =~ ^[Yy] ]]; then
2020-12-26 20:18:18 +00:00
printf "${GREEN}Contacting telegram to verify your bot token ...${NN}"
$0 botname
fi
fi
2020-12-27 14:12:35 +00:00
# check if botconf seems valid
2020-12-26 20:18:18 +00:00
printf "${GREEN}This is your bot config:${NN}"
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sed 's/^/\t/' "${BOTCONFIG}.jssh" | grep -vF '["bot_config_key"]'
2020-12-27 14:12:35 +00:00
if check_token "$(getConfigKey "bottoken")" && [[ "$(getConfigKey "botadmin")" =~ ^[0-9]+$ ]]; then
2020-12-26 20:18:18 +00:00
printf "Bot config seems to be valid. Should I make a backup copy? (Y/n) Y\b"
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read -r ANSWER
if [[ -z "${ANSWER}" || "${ANSWER}" =~ ^[^Nn] ]]; then
2020-12-26 20:18:18 +00:00
printf "Copy bot config to ${BOTCONFIG}.jssh.ok ...\n"
2020-06-27 10:43:46 +00:00
cp "${BOTCONFIG}.jssh" "${BOTCONFIG}.jssh.ok"
2020-06-25 15:15:49 +00:00
fi
else
2020-12-27 14:12:35 +00:00
printf "${ORANGE}Bot config may incomplete, pls check.${NN}"
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fi
2020-06-10 06:20:48 +00:00
# show result
ls -ld "${DATADIR}" "${LOGDIR}" ./*.jssh* ./*.sh 2>/dev/null
2019-04-22 19:05:52 +00:00
}
2019-05-26 15:03:58 +00:00
if ! _is_function send_message ; then
2020-12-26 20:18:18 +00:00
printf "${RED}ERROR: send_message is not available, did you deactivate ${MODULEDIR}/sendMessage.sh?${NN}"
2019-05-26 15:03:58 +00:00
exit 1
fi
# check if JSON.awk exist and has x flag
JSONAWKFILE="${JSONSHFILE%.sh}.awk"
if [ -x "${JSONAWKFILE}" ] && _exists awk ; then
JSONSHFILE="JsonAwk"; JsonAwk() { "${JSONAWKFILE}" -v "BRIEF=8" -v "STRICT=0" -; }
fi
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# source the script with source as param to use functions in other scripts
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# do not execute if read from other scripts
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if [ -z "${SOURCE}" ]; then
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##############
# internal options only for use from bashbot and developers
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# shellcheck disable=SC2221,SC2222
case "${1}" in
# update botname when starting only
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"botname"|"start"*)
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ME="$(getBotName)"
if [ -n "${ME}" ]; then
# ok we have a connection and got botname, save it
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[ -n "${INTERACTIVE}" ] && printf "${GREY}Bottoken is valid ...${NN}"
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jssh_updateKeyDB "botname" "${ME}" "${BOTCONFIG}"
rm -f "${BOTCONFIG}.jssh.flock"
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else
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printf "${GREY}Info: Can't get Botname from Telegram, try cached one ...${NN}"
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ME="$(getConfigKey "botname")"
if [ -z "$ME" ]; then
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printf "${RED}ERROR: No cached botname, can't continue! ...${NN}"
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exit 1
fi
fi
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[ -n "${INTERACTIVE}" ] && printf "Bot Name: %s\n" "${ME}"
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[ "$1" = "botname" ] && exit
;;&
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# used to send output of background and interactive to chats
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"outproc") # $2 chat_id $3 identifier of job, internal use only!
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[ -z "$3" ] && printf "No job identifier\n" && exit 3
[ -z "$2" ] && printf "No chat to send to\n" && exit 3
ME="$(getConfigKey "botname")"
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# read until terminated
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while read -r line ;do
[ -n "$line" ] && send_message "$2" "$line"
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done
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# cleanup datadir, keep logfile if not empty
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rm -f -r "${DATADIR:-.}/$3"
[ -s "${DATADIR:-.}/$3.log" ] || rm -f "${DATADIR:-.}/$3.log"
debug_checks "end outproc" "$@"
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exit
;;
# finally starts the read update loop, internal use only1
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"startbot" )
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start_bot "$2"
debug_checks "end startbot" "$@"
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exit
;;
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# run after every update to update files and adjust permissions
"init")
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bot_init "$2"
debug_checks "end init" "$@"
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exit
;;
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# stats deprecated
"stats"|"count")
printf "${ORANGE}Stats is a separate command now, see bin/bashbot_stats.sh --help${NN}"
"${BASHBOT_HOME:-.}"/bin/bashbot_stats.sh --help
exit
;;
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# broadcast deprecated
'broadcast')
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printf "${ORANGE}Broadcast is a separate command now, see bin/send_broadcast.sh --help${NN}"
"${BASHBOT_HOME:-.}"/bin/send_broadcast.sh --help
exit
;;
# does what it says
"status")
ME="$(getConfigKey "botname")"
SESSION="${ME:-_bot}-startbot"
BOTPID="$(proclist "${SESSION}")"
if [ -n "${BOTPID}" ]; then
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printf "${GREEN}Bot is running with UID ${RUNUSER}.${NN}"
exit
else
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printf "${ORANGE}No Bot running with UID ${RUNUSER}.${NN}"
exit 5
fi
debug_checks "end status" "$@"
;;
# start bot as background job and check if bot is running
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"start")
# shellcheck disable=SC2086
SESSION="${ME:-_bot}-startbot"
BOTPID="$(proclist "${SESSION}")"
# shellcheck disable=SC2086
[ -n "${BOTPID}" ] && kill ${BOTPID}
nohup "$SCRIPT" "startbot" "$2" "${SESSION}" &>/dev/null &
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printf "Session Name: %s\n" "${SESSION}"
sleep 1
if [ -n "$(proclist "${SESSION}")" ]; then
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printf "${GREEN}Bot started successfully.${NN}"
else
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printf "${RED}An error occurred while starting the bot.${NN}"
exit 5
fi
debug_checks "end start" "$@"
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;;
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# does what it says
"stop")
ME="$(getConfigKey "botname")"
SESSION="${ME:-_bot}-startbot"
BOTPID="$(proclist "${SESSION}")"
if [ -n "${BOTPID}" ]; then
# shellcheck disable=SC2086
if kill ${BOTPID}; then
# inform botadmin about stop
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send_normal_message "$(getConfigKey "botadmin")" "Bot ${ME} stopped ..." &
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printf "${GREEN}OK. Bot stopped successfully.${NN}"
else
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printf "${RED}An error occurred while stopping bot.${NN}"
exit 5
fi
else
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printf "${ORANGE}No Bot running with UID ${RUNUSER}.${NN}"
fi
debug_checks "end stop" "$@"
exit
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;;
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# suspend, resume or kill background jobs
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"suspendb"*|"resumeb"*|"killb"*)
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_is_function job_control || { printf "${RED}Module background is not available!${NN}"; exit 3; }
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ME="$(getConfigKey "botname")"
job_control "$1"
debug_checks "end background $1" "$@"
;;
*)
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printf "${RED}${REALME##*/}: unknown command${NN}"
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printf "${ORANGE}Available commands: ${GREY}${BOTCOMMANDS}${NN}" && exit
exit 4
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;;
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esac
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# warn if root
if [[ "${UID}" -eq "0" ]] ; then
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printf "\n${ORANGE}WARNING: ${SCRIPT} was started as ROOT (UID 0)!${NN}"
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printf "${ORANGE}You are at HIGH RISK when running a Telegram BOT with root privileges!${NN}"
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fi
fi # end source