telegram-bot-bash/bashbot.sh

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#!/bin/bash
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# file: bashbot.sh
# do not edit, this file will be overwritten on update
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# bashbot, the Telegram bot written in bash.
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# Written by Drew (@topkecleon) and Daniil Gentili (@danogentili), KayM (@gnadelwartz).
# Also contributed: JuanPotato, BigNerd95, TiagoDanin, iicc1.
# https://github.com/topkecleon/telegram-bot-bash
# Depends on JSON.sh (http://github.com/dominictarr/JSON.sh) (MIT/Apache),
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# 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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#### $$VERSION$$ v0.96-pre-22-g0c0a4cc
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#
# Exit Codes:
# - 0 sucess (hopefully)
# - 1 can't change to dir
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# - 2 can't write to tmp, count or token
# - 3 user / command / file not found
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# - 4 unkown command
# - 5 cannot connect to telegram bot
# - 6 mandatory module not found
# shellcheck disable=SC2140,SC2031,SC2120,SC1091
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# are we runnig in a terminal?
if [ -t 1 ] && [ -n "$TERM" ]; then
CLEAR='clear'
RED='\e[31m'
GREEN='\e[32m'
ORANGE='\e[35m'
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GREY='\e[1;30m'
NC='\e[0m'
fi
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# some important helper functions
# returns true if command exist
_exists()
{
[ "$(LC_ALL=C type -t "$1")" = "file" ]
}
# execute function if exists
_exec_if_function() {
[ "$(LC_ALL=C type -t "${1}")" != "function" ] || "$@"
}
# returns true if function exist
_is_function()
{
[ "$(LC_ALL=C type -t "$1")" = "function" ]
}
# read JSON.sh style data and asssign to an ARRAY
# $1 ARRAY name, must be declared with "declare -A ARRAY" before calling
Json2Array() {
# shellcheck source=./commands.sh
[ -z "$1" ] || source <( printf "$1"'=( %s )' "$(sed -E -n -e '/\["[-0-9a-zA-Z_,."]+"\]\+*\t/ s/\t/=/gp' -e 's/=(true|false)/="\1"/')" )
}
# output ARRAY as JSON.sh style data
# $1 ARRAY name, must be declared with "declare -A ARRAY" before calling
Array2Json() {
local key
declare -n ARRAY="$1"
for key in "${!ARRAY[@]}"
do
printf '["%s"]\t"%s"\n' "${key//,/\",\"}" "${ARRAY[${key}]//\"/\\\"}"
done
}
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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
if [ "${SCRIPT}" != "${REALME}" ] || [ "$1" = "source" ]; then
SOURCE="yes"
fi
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if [ -n "$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
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# OK everthing setup, lest start
if [ "${SOURCE}" != "yes" ] && [ -z "$BASHBOT_HOME" ] && ! cd "${RUNDIR}" ; then
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echo -e "${RED}ERROR: Can't change to ${RUNDIR} ...${NC}"
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exit 1
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else
RUNDIR="."
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fi
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if [ ! -w "." ]; then
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echo -e "${ORANGE}WARNING: ${RUNDIR} is not writeable!${NC}"
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ls -ld .
fi
# Setup and check environment if BOTTOKEN is NOT set
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TOKENFILE="${BASHBOT_ETC:-.}/token"
BOTADMIN="${BASHBOT_ETC:-.}/botadmin"
BOTACL="${BASHBOT_ETC:-.}/botacl"
DATADIR="${BASHBOT_VAR:-.}/data-bot-bash"
BLOCKEDFILE="${BASHBOT_VAR:-.}/blocked"
COUNTFILE="${BASHBOT_VAR:-.}/count"
LOGDIR="${RUNDIR:-.}/logs"
if [ ! -d "${LOGDIR}" ] || [ ! -w "${LOGDIR}" ]; then
LOGDIR="${RUNDIR:-.}"
fi
ERRORLOG="${LOGDIR}/ERROR.log"
# we assume everthing is already set up correctly if we have TOKEN
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if [ -z "${BOTTOKEN}" ]; then
# BOTTOKEN empty read from file
if [ ! -f "${TOKENFILE}" ]; then
if [ -z "${CLEAR}" ] && [ "$1" != "init" ]; then
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echo "Running headless, set BOTTOKEN or run ${SCRIPT} init first!"
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exit 2
else
${CLEAR}
echo -e "${RED}TOKEN MISSING.${NC}"
echo -e "${ORANGE}PLEASE WRITE YOUR TOKEN HERE OR PRESS CTRL+C TO ABORT${NC}"
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read -r BOTTOKEN
printf '%s\n' "${BOTTOKEN}" > "${TOKENFILE}"
fi
fi
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# read BOTTOKEN from file and removen everyting from first newline to end
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BOTTOKEN="$(< "${TOKENFILE}")"
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BOTTOKEN="${BOTTOKEN%%$'\n'*}"
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# setup botadmin file
if [ ! -f "${BOTADMIN}" ]; then
if [ -z "${CLEAR}" ]; then
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echo "Running headless, set botadmin to AUTO MODE!"
printf '%s\n' '?' > "${BOTADMIN}"
else
${CLEAR}
echo -e "${RED}BOTADMIN MISSING.${NC}"
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echo -e "${ORANGE}PLEASE WRITE YOUR TELEGRAM ID HERE OR ENTER '?'${NC}"
echo -e "${ORANGE}TO MAKE FIRST USER TYPING '/start' TO BOTADMIN${NC}"
read -r admin
[ -z "${admin}" ] && admin='?'
printf '%s\n' "${admin}" > "${BOTADMIN}"
fi
fi
# setup botacl file
if [ ! -f "${BOTACL}" ]; then
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echo -e "${ORANGE}Create empty ${BOTACL} file.${NC}"
printf '\n' >"${BOTACL}"
fi
# setup data dir file
if [ ! -d "${DATADIR}" ]; then
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mkdir "${DATADIR}"
elif [ ! -w "${DATADIR}" ]; then
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echo -e "${RED}ERROR: Can't write to ${DATADIR}!.${NC}"
ls -ld "${DATADIR}"
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exit 2
fi
# setup count file
if [ ! -f "${COUNTFILE}.jssh" ]; then
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printf '["counted_user_chat_id"]\t"num_messages_seen"\n' > "${COUNTFILE}.jssh"
# convert old file on creation
if [ -r "${COUNTFILE}" ];then
sed 's/COUNT/\[\"/;s/$/\"\]\t\"1\"/' < "${COUNTFILE}" >> "${COUNTFILE}.jssh"
fi
elif [ ! -w "${COUNTFILE}.jssh" ]; then
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echo -e "${RED}ERROR: Can't write to ${COUNTFILE}!.${NC}"
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' >"${BLOCKEDFILE}.jssh"
fi
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fi
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# do we have BSD sed
if ! sed '1ia' </dev/null 2>/dev/null; then
echo -e "${ORANGE}Warning: You may run on a BSD style system without gnu utils ...${NC}"
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fi
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# BOTTOKEN format checks
if [[ ! "${BOTTOKEN}" =~ ^[0-9]{8,10}:[a-zA-Z0-9_-]{35}$ ]]; then
echo -e "${ORANGE}Warning, your bottoken may incorrect. it should have the following format:${NC}"
echo -e "${GREY}123456789${RED}:${GREY}Aa-Zz_0Aa-Zz_1Aa-Zz_2Aa-Zz_3Aa-Zz_4${ORANGE} => ${NC}\c"
echo -e "${GREY}8-10 digits${RED}:${GREY}35 alnum characters + '_-'${NC}"
echo -e "${ORANGE}Your current token is: '${GREY}^$(cat -ve <<<"${BOTTOKEN//:/${RED}:${GREY}}")${ORANGE}'${NC}"
[[ ! "${BOTTOKEN}" =~ ^[0-9]{8,10}: ]] &&\
echo -e "${ORANGE}Possible problem in the digits part, len is $(($(wc -c <<<"${BOTTOKEN%:*}")-1))${NC}"
[[ ! "${BOTTOKEN}" =~ :[a-zA-Z0-9_-]{35}$ ]] &&\
echo -e "${ORANGE}Posilbe problem in the charatcers part, len is $(($(wc -c <<<"${BOTTOKEN#*:}")-1))${NC}"
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fi
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##################
# here we start with the real stuff
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BOTSEND_RETRY="no" # do not 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=$URL'/getFile'
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declare -rx SCRIPT SCRIPTDIR MODULEDIR RUNDIR ADDONDIR TOKENFILE BOTADMIN BOTACL DATADIR COUNTFILE
declare -rx BOTTOKEN URL ME_URL UPD_URL GETFILE_URL
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declare -ax CMD
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declare -Ax UPD BOTSENT USER MESSAGE URLS CONTACT LOCATION CHAT FORWARD REPLYTO VENUE iQUERY SERVICE NEWMEMBER
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export res CAPTION
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##################
# read commamds file if we are not sourced
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COMMANDS="${BASHBOT_ETC:-.}/commands.sh"
if [ "${SOURCE}" != "yes" ]; then
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if [ ! -f "${COMMANDS}" ] || [ ! -r "${COMMANDS}" ]; then
echo -e "${RED}ERROR: ${COMMANDS} does not exist or is not readable!.${NC}"
ls -l "${COMMANDS}"
exit 3
fi
# shellcheck source=./commands.sh
source "${COMMANDS}" "source"
fi
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###############
# load modules
for modules in "${MODULEDIR:-.}"/*.sh ; do
# shellcheck source=./modules/aliases.sh
if ! _is_function "$(basename "${modules}")" && [ -r "${modules}" ]; then source "${modules}" "source"; fi
done
#####################
# BASHBOT INTERNAL functions
#
#jsonDB is now mandatory
if ! _is_function jssh_newDB ; then
echo -e "${RED}ERROR: Mandatory module jsonDB is missing or not readable!"
exit 6
fi
# cleanup (remove double entries) countfile on startup
[ "${SOURCE}" != "yes" ] && jssh_deleteKeyDB_async "CLEAN_COUNTER_DATABASE_ON_STARTUP" "${COUNTFILE}"
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#################
# BASHBOT COMMON functions
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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 sting to search for proramm incl. parameters
# retruns a list of PIDs of all current bot proceeses 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
}
# $1 sting to search for proramm to kill
killallproc() {
local procid; procid="$(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 "$1")
fi
}
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declare -xr DELETE_URL=$URL'/deleteMessage'
delete_message() {
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"')"
}
# curl is preffered, but may not availible on ebedded systems
TIMEOUT="${BASHBOT_TIMEOUT}"
[[ "$TIMEOUT" =~ ^[0-9]+$ ]] || TIMEOUT="20"
if [ -z "${BASHBOT_WGET}" ] && _exists curl ; then
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[ -z "${BASHBOT_CURL}" ] && BASHBOT_CURL="curl"
# simple curl or wget call, output to stdout
getJson(){
# shellcheck disable=SC2086
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"${BASHBOT_CURL}" -sL -k ${BASHBOT_CURL_ARGS} -m "${TIMEOUT}" "$1"
}
# usage: sendJson "chat" "JSON" "URL"
sendJson(){
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local chat="";
[ -n "${1}" ] && chat='"chat_id":'"${1}"','
# shellcheck disable=SC2086
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res="$("${BASHBOT_CURL}" -s -k ${BASHBOT_CURL_ARGS} -m "${TIMEOUT}"\
-d '{'"${chat} $(iconv -f utf-8 -t utf-8 -c <<<$2)"'}' -X POST "${3}" \
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-H "Content-Type: application/json" | "${JSONSHFILE}" -s -b -n )"
sendJsonResult "${res}" "sendJson (curl)" "$@"
}
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#$1 Chat, $2 what , $3 file, $4 URL, $5 caption
sendUpload() {
[ "$#" -lt 4 ] && return
if [ -n "$5" ]; then
# shellcheck disable=SC2086
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res="$("${BASHBOT_CURL}" -s -k ${BASHBOT_CURL_ARGS} "$4" -F "chat_id=$1"\
-F "$2=@$3;${3##*/}" -F "caption=$5" | "${JSONSHFILE}" -s -b -n )"
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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##*/}" | "${JSONSHFILE}" -s -b -n )"
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fi
sendJsonResult "${res}" "sendUpload (curl)" "$@"
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}
else
# simple curl or wget call outputs result to stdout
getJson(){
# shellcheck disable=SC2086
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wget --no-check-certificate -t 2 -T "${TIMEOUT}" ${BASHBOT_WGET_ARGS} -qO - "$1"
}
# usage: sendJson "chat" "JSON" "URL"
sendJson(){
local chat="";
[ -n "${1}" ] && chat='"chat_id":'"${1}"','
# shellcheck disable=SC2086
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res="$(wget --no-check-certificate -t 2 -T "${TIMEOUT}" ${BASHBOT_WGET_ARGS} -qO - --post-data='{'"${chat} $(iconv -f utf-8 -t utf-8 -c <<<$2)"'}' \
--header='Content-Type:application/json' "${3}" | "${JSONSHFILE}" -s -b -n )"
sendJsonResult "${res}" "sendJson (wget)" "$@"
}
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sendUpload() {
printf "%s: %s\n" "$(date)" "Sorry, wget does not support file upload\n" >>"${ERRORLOG}"
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BOTSENT[OK]="false"
[ "${SOURCE}" != "yes" ] && [ -n "${BASHBOT_EVENT_SEND[*]}" ] && event_send "upload" "$@" &
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}
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 "${1}"; shift
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case "${retry}" in
'sendJson'*)
sendJson "$@"
;;
'sendUpload'*)
sendUpload "$@"
;;
*)
printf "%s: SendJsonRetry: unknown, cannot retry %s\n" "$(date)" "${retry}" >>"${ERRORLOG}"
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;;
esac
}
# process sendJson result
# stdout is written to ERROR.log
# $1 result $2 function $3 .. $n original arguments, $3 is Chat_id
sendJsonResult(){
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BOTSENT=( )
BOTSENT[OK]="$(JsonGetLine '"ok"' <<< "${1}")"
if [ "${BOTSENT[OK]}" = "true" ]; then
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BOTSENT[ID]="$(JsonGetValue '"result","message_id"' <<< "${1}")"
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[ -n "${BASHBOT_EVENT_SEND[*]}" ] && event_send "send" "${@:2}"
return
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# hot path everthing OK!
else
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# oops something went wrong!
if [ "${res}" != "" ]; then
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BOTSENT[ERROR]="$(JsonGetValue '"error_code"' <<< "${1}")"
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BOTSENT[DESCRIPTION]="$(JsonGetString '"description"' <<< "${1}")"
BOTSENT[RETRY]="$(JsonGetValue '"parameters","retry_after"' <<< "${1}")"
else
BOTSENT[ERROR]="999"
BOTSENT[DESCRIPTION]="Timeout or broken/no connection"
fi
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# log error
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printf "%s: RESULT=%s FUNC=%s CHAT[ID]=%s ERROR=%s DESC=%s\n=ACTION=%s\n" "$(date)"\
"${BOTSENT[OK]}" "${2}" "${3}" "${BOTSENT[ERROR]}" "${BOTSENT[DESCRIPTION]}" "${4/[$'\n\r']*}"
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# warm path, do not retry on error, also if we use wegt
[ -n "${BOTSEND_RETRY}${BASHBOT_WGET}" ] && return
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# OK, we can retry sendJson, let's see what's failed
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# throttled, telegram say we send to much messages
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if [ -n "${BOTSENT[RETRY]}" ]; then
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BOTSEND_RETRY="$(( BOTSENT[RETRY] * 15/10 ))"
printf "Retry %s in %s seconds ...\n" "${2}" "${BOTSEND_RETRY}"
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sendJsonRetry "${2}" "${BOTSEND_RETRY}" "${@:2}"
unset BOTSEND_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 "BASHBOT IP Adress is blocked!\n"
# user provided function to recover or notify block
if _exec_if_function bashbotBlockRecover; then
BOTSEND_RETRY="2"
printf "Function bashbotBlockRecover returned true, retry %s.\n" "${2}"
sendJsonRetry "${2}" "${BOTSEND_RETRY}" "${@:2}"
unset BOTSEND_RETRY
fi
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return
fi
# are not blocked, default curl and args are working
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if [ -n "${BASHBOT_CURL_ARGS}" ] || [ "${BASHBOT_CURL}" != "curl" ]; then
printf "Possible Problem with \"%s %s\", retry %s with default curl config ...\n"\
"${BASHBOT_CURL}" "${BASHBOT_CURL_ARGS}" "${2}"
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BOTSEND_RETRY="2"; BASHBOT_CURL="curl"; BASHBOT_CURL_ARGS=""
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sendJsonRetry "${2}" "${BOTSEND_RETRY}" "${@:2}"
unset BOTSEND_RETRY
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fi
fi
fi
} >>"${ERRORLOG}"
# escape / remove text charaters for json strings, eg. " -> \"
# $1 string
# output escaped string
JsonEscape(){
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sed 's/\([-"`´,§$%&/(){}#@!?*.]\)/\\\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 "$4" ] && markup=',"parse_mode":"'$(JsonEscape "$4")'"'
[ -n "$5" ] && keyboard=',"reply_markup":"'$(JsonEscape "$5")'"'
printf '%s\n' "${title}${caption}${desc}${markup}${keyboard}"
}
# get bot name
getBotName() {
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getJson "$ME_URL" | "${JSONSHFILE}" -s -b -n | JsonGetString '"result","username"'
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}
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# pure bash implementaion, done by KayM (@gnadelwartz)
# see https://stackoverflow.com/a/55666449/9381171
JsonDecode() {
local out="$1" remain="" U=""
local regexp='(.*)\\u[dD]([0-9a-fA-F]{3})\\u[dD]([0-9a-fA-F]{3})(.*)'
while [[ "${out}" =~ $regexp ]] ; do
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U=$(( ( (0xd${BASH_REMATCH[2]} & 0x3ff) <<10 ) | ( 0xd${BASH_REMATCH[3]} & 0x3ff ) + 0x10000 ))
remain="$(printf '\\U%8.8x' "${U}")${BASH_REMATCH[4]}${remain}"
out="${BASH_REMATCH[1]}"
done
# this echo must stay for correct decoding!
echo -e "${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="$1"
max="$(sed <<< "${UPDATE}" '/\["result",[0-9]*\]/!d' | tail -1 | sed 's/\["result",//g;s/\].*//g')"
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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="$2"
CMD=( ); iQUERY=( )
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[[ "${debug}" = *"debug"* ]] && printf "\n%s New Message ========\n%s\n" "$(date)" "$UPDATE" >>"${LOGDIR}/MESSAGE.log"
iQUERY[ID]="${UPD["result",${num},"inline_query","id"]}"
CHAT[ID]="${UPD["result",${num},"message","chat","id"]}"
USER[ID]="${UPD["result",${num},"message","from","id"]}"
# check for uers / groups to ignore
if [ -n "${USER[ID]}" ]; then
[[ " ${!BASHBOT_BLOCKED[*]} " == *" ${USER[ID]} "* ]] && return
jssh_readDB_async "BASHBOT_BLOCKED" "${BLOCKEDFILE}"
fi
if [ -z "${iQUERY[ID]}" ]; then
process_message "${num}" "${debug}"
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else
process_inline "${num}" "${debug}"
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fi
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#####
# process inline and message events
# first classic commnad dispatcher
# shellcheck source=./commands.sh
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source "${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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}
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declare -Ax BASBOT_EVENT_INLINE BASBOT_EVENT_MESSAGE BASHBOT_EVENT_CMD BASBOT_EVENT_REPLY BASBOT_EVENT_FORWARD BASHBOT_EVENT_SEND
declare -Ax BASBOT_EVENT_CONTACT BASBOT_EVENT_LOCATION BASBOT_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}]}" "messsage" "${key}" "${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
# ${LOCALTION[*]} event_location
if [ -n "${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}" "${debug}"
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done
fi
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}
process_inline() {
local num="${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"]}")"
}
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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')"
MESSAGE[ID]="${UPD["result",${num},"message","message_id"]}"
# Chat ID is now parsed when update isrecieved
#CHAT[ID]="${UPD["result",${num},"message","chat","id"]}"
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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",${num},"message","chat","username"]}")"
CHAT[TITLE]="$(JsonDecode "${UPD["result",${num},"message","chat","title"]}")"
CHAT[TYPE]="$(JsonDecode "${UPD["result",${num},"message","chat","type"]}")"
CHAT[ALL_ADMIN]="${UPD["result",${num},"message","chat","all_members_are_administrators"]}"
CHAT[ALL_MEMBERS_ARE_ADMINISTRATORS]="${CHAT[ALL_ADMIN]}" # backward compatibility
# user ID is now parsed when update isrecieved
#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",${num},"message","from","username"]}")"
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# in reply to message from
REPLYTO=( )
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REPLYTO[UID]="${UPD["result",${num},"message","reply_to_message","from","id"]}"
if [ -n "${REPLYTO[UID]}" ]; then
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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
FORWARD=( )
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FORWARD[UID]="${UPD["result",${num},"message","forward_from","id"]}"
if [ -n "${FORWARD[UID]}" ]; then
FORWARD[ID]="${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",${num},"message","forward_from","username"]}")"
fi
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# Audio
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URLS[AUDIO]="$(get_file "${UPD["result",${num},"message","audio","file_id"]}")"
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# Document
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URLS[DOCUMENT]="$(get_file "${UPD["result",${num},"message","document","file_id"]}")"
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# Photo
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URLS[PHOTO]="$(get_file "${UPD["result",${num},"message","photo",0,"file_id"]}")"
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# Sticker
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URLS[STICKER]="$(get_file "${UPD["result",${num},"message","sticker","file_id"]}")"
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# Video
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URLS[VIDEO]="$(get_file "${UPD["result",${num},"message","video","file_id"]}")"
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# Voice
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URLS[VOICE]="$(get_file "${UPD["result",${num},"message","voice","file_id"]}")"
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# Contact
CONTACT=( )
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CONTACT[FIRST_NAME]="$(JsonDecode "${UPD["result",${num},"message","contact","first_name"]}")"
if [ -n "${CONTACT[FIRST_NAME]}" ]; then
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CONTACT[USER_ID]="$(JsonDecode "${UPD["result",${num},"message","contact","user_id"]}")"
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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# vunue
VENUE=( )
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VENUE[TITLE]="$(JsonDecode "${UPD["result",${num},"message","venue","title"]}")"
if [ -n "${VENUE[TITLE]}" ]; then
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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
SERVICE=( ); NEWMEMBER=( )
SERVICE[NEWMEMBER]="${UPD["result",${num},"message","new_chat_member","id"]}"
if [ -n "${SERVICE[NEWMEMBER]}" ]; then
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NEWMEMBER[ID]="${SERVICE[NEWMEMBER]}"
NEWMEMBER[FIRSTNAME]="${UPD["result",${num},"message","new_chat_member","first_name"]}"
NEWMEMBER[LASTNAME]="${UPD["result",${num},"message","new_chat_member","last_name"]}"
NEWMEMBER[USERNAME]="${UPD["result",${num},"message","new_chat_member","username"]}"
NEWMEMBER[ISBOT]="${UPD["result",${num},"message","new_chat_member","is_bot"]}"
fi
SERVICE[LEFTMEMBER]="${UPD["result",${num},"message","left_chat_member","id"]}"
SERVICE[NEWTILE]="${UPD["result",${num},"message","new_chat_title"]}"
SERVICE[NEWPHOTO]="${UPD["result",${num},"message","new_chat_photo"]}"
SERVICE[PINNED]="${UPD["result",${num},"message","pinned_message"]}"
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# set SSERVICE to yes if a service message was recieved
[[ "${SERVICE[*]}" =~ ^[[:blank:]]+$ ]] || SERVICE[0]="yes"
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2019-05-27 10:27:09 +00:00
# split message in command and args
2019-06-01 10:41:12 +00:00
CMD=( )
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if [[ "${MESSAGE[0]}" == "/"* ]]; then
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set -f; unset IFS
# shellcheck disable=SC2206
CMD=( ${MESSAGE[0]} )
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CMD[0]="${CMD[0]%%@*}"
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set +f
fi
}
#########################
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# main get updates loop, should never terminate
start_bot() {
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local DEBUG="$1"
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local OFFSET=0
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# adaptive sleep deafults
local nextsleep="100" :
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local stepsleep="${BASHBOT_SLEEP_STEP:-100}"
local maxsleep="${BASHBOT_SLEEP:-5000}"
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# redirect to Debug.log
[[ "${DEBUG}" == *"debug" ]] && exec &>>"${LOGDIR}/DEBUG.log"
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[ -n "${DEBUG}" ] && printf "%s Start BASHBOT in Mode \"%s\"" "$(date)" "${DEBUG}"
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[[ "${DEBUG}" == "xdebug"* ]] && set -x
#cleaup old pipes and empty logfiles
2019-05-28 18:44:40 +00:00
find "${DATADIR}" -type p -delete
find "${DATADIR}" -size 0 -name "*.log" -delete
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# load addons on startup
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for addons in "${ADDONDIR:-.}"/*.sh ; do
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# shellcheck source=./modules/aliases.sh
[ -r "${addons}" ] && source "${addons}" "startbot" "${DEBUG}"
done
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# shellcheck source=./commands.sh
source "${COMMANDS}" "startbot"
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# start timer events
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if [ -n "${BASHBOT_START_TIMER}" ] ; then
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# shellcheck disable=SC2064
trap "event_timer $DEBUG" ALRM
start_timer &
# shellcheck disable=SC2064
trap "kill -9 $!; exit" EXIT INT HUP TERM QUIT
fi
while true; do
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# adaptive sleep in ms rounded to next 0.1 s
sleep "$(printf '%.1f' "$((nextsleep))e-3")"
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((nextsleep+= stepsleep , nextsleep= nextsleep>maxsleep ?maxsleep:nextsleep))
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# get next update
UPDATE="$(getJson "$UPD_URL$OFFSET" 2>/dev/null | "${JSONSHFILE}" -s -b -n | iconv -f utf-8 -t utf-8 -c)"
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# did we ge an responsn0r
if [ -n "${UPDATE}" ]; then
# we got something, do processing
# escape bash $ expansion bug
UPDATE="${UPDATE//$/\\$}"
# Offset
OFFSET="$(grep <<< "${UPDATE}" '\["result",[0-9]*,"update_id"\]' | tail -1 | cut -f 2)"
((OFFSET++))
if [ "$OFFSET" != "1" ]; then
nextsleep="100"
process_updates "${DEBUG}"
fi
else
# ups, something bad happend, wait maxsleep
(( nextsleep=maxsleep ))
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printf "%s: Timeout or broken/no connection on telegram update, sleep %ds\n" "$(date)" $((nextsleep))e-3 >>"${ERRORLOG}"
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fi
done
}
# initialize bot environment, user and permissions
bot_init() {
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[ -n "${BASHBOT_HOME}" ] && cd "${BASHBOT_HOME}" || exit 1
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local DEBUG="$1"
# upgrade from old version
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local OLDTMP="${BASHBOT_VAR:-.}/tmp-bot-bash"
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[ -d "${OLDTMP}" ] && { mv -n "${OLDTMP}/"* "${DATADIR}"; rmdir "${OLDTMP}"; }
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# no more existing modules
[ -f "modules/inline.sh" ] && rm -f "modules/inline.sh"
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# load addons on startup
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for addons in "${ADDONDIR:-.}"/*.sh ; do
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# shellcheck source=./modules/aliases.sh
[ -r "${addons}" ] && source "${addons}" "init" "${DEBUG}"
done
#setup bashbot
[[ "${UID}" -eq "0" ]] && RUNUSER="nobody"
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echo -n "Enter User to run basbot [$RUNUSER]: "
read -r TOUSER
[ -z "$TOUSER" ] && TOUSER="$RUNUSER"
if ! id "$TOUSER" &>/dev/null; then
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echo -e "${RED}User \"$TOUSER\" not found!${NC}"
exit 3
else
# shellcheck disable=SC2009
oldbot="$(ps -fu "$TOUSER" | grep startbot | grep -v -e 'grep' -e '\-startbot' )"
[ -n "${oldbot}" ] && \
echo -e "${ORANGE}Warning: At least one not upgraded TMUX bot is running! You must stop it with kill command:${NC}\\n${oldbot}"
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echo "Adjusting user \"${TOUSER}\" files and permissions ..."
[ -w "bashbot.rc" ] && sed -i '/^[# ]*runas=/ s/runas=.*$/runas="'$TOUSER'"/' "bashbot.rc"
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chown -R "$TOUSER" . ./*
chmod 711 .
chmod -R o-w ./*
chmod -R u+w "${COUNTFILE}"* "${BLOCKEDFILE}"* "${DATADIR}" "${BOTADMIN}" "${LOGDIR}/"*.log 2>/dev/null
chmod -R o-r,o-w "${COUNTFILE}"* "${BLOCKEDFILE}"* "${DATADIR}" "${TOKENFILE}" "${BOTADMIN}" "${BOTACL}" 2>/dev/null
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# jsshDB must writeable by owner
find . -name '*.jssh' -exec chmod u+w \{\} +
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fi
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# show result
ls -l
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}
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if ! _is_function send_message ; then
echo -e "${RED}ERROR: send_message is not availible, did you deactivate ${MODULEDIR}/sendMessage.sh?${NC}"
exit 1
fi
JSONSHFILE="${BASHBOT_JSONSH:-${SCRIPTDIR}/JSON.sh/JSON.sh}"
[[ "${JSONSHFILE}" != *"/JSON.sh" ]] && echo -e "${RED}ERROR: \"${JSONSHFILE}\" ends not with \"JSONS.sh\".${NC}" && exit 3
if [ ! -f "${JSONSHFILE}" ]; then
echo "Seems to be first run, Downloading ${JSONSHFILE}..."
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[ "${SCRIPTDIR}/JSON.sh/JSON.sh" = "${JSONSHFILE}" ] &&\
mkdir "${SCRIPTDIR}/JSON.sh" 2>/dev/null && chmod +w "${SCRIPTDIR}/JSON.sh"
getJson "https://cdn.jsdelivr.net/gh/dominictarr/JSON.sh/JSON.sh" >"${JSONSHFILE}"
chmod +x "${JSONSHFILE}"
fi
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if [ "${SOURCE}" != "yes" ] && [ "$1" != "init" ] && [ "$1" != "help" ]; then
ME="$(getBotName)"
if [ -z "$ME" ]; then
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echo -e "${RED}ERROR: Can't connect to Telegram! Your TOKEN is invalid or you are blocked by ${URL%/*} ...${NC}"
case "$1" in
"" | "stop" | "kill"* | "suspendb"* ) # warn, but do not exit
echo -e "${RED}Ignored to continue for $1 ... ${NC}";;
*) exit 1;;
esac
fi
fi
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# source the script with source as param to use functions in other scripts
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# do not execute if read from other scripts
if [ "${SOURCE}" != "yes" ]; then
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##############
# internal options only for use from bashbot and developers
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case "$1" in
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"outproc") # forward output from interactive and jobs to chat
[ -z "$3" ] && echo "No file to read from" && exit 3
[ -z "$2" ] && echo "No chat to send to" && exit 3
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while read -r line ;do
[ -n "$line" ] && send_message "$2" "$line"
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done
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rm -f -r "${DATADIR:-.}/$3"
[ -s "${DATADIR:-.}/$3.log" ] || rm -f "${DATADIR:-.}/$3.log"
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exit
;;
"startbot" )
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start_bot "$2"
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exit
;;
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"init") # adjust users and permissions
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bot_init "$2"
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exit
;;
esac
###############
# "official" arguments as shown to users
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SESSION="${ME:-unknown}-startbot"
BOTPID="$(proclist "${SESSION}")"
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case "$1" in
"stats"|'count')
declare -A STATS
jssh_readDB_async "STATS" "${COUNTFILE}"
for MSG in ${!STATS[*]}
do
[[ ! "${MSG}" =~ ^[0-9-]*$ ]] && continue
(( USERS++ ))
done
for MSG in ${STATS[*]}
do
(( MESSAGES+=MSG ))
done
echo "A total of ${MESSAGES} messages from ${USERS} users are processed."
exit
;;
'broadcast')
declare -A SENDALL
shift
jssh_readDB_async "SENDALL" "${COUNTFILE}"
echo -e "Sending broadcast message to all users \c"
for MSG in ${!SENDALL[*]}
do
[[ ! "${MSG}" =~ ^[0-9-]*$ ]] && continue
(( USERS++ ))
if [ -n "$*" ]; then
send_markdown_message "${MSG}" "$*"
echo -e ".\c"
sleep 0.1
fi
done
echo -e "\nMessage \"$*\" sent to ${USERS} users."
exit
;;
"status")
if [ -n "${BOTPID}" ]; then
echo -e "${GREEN}Bot is running.${NC}"
exit
else
echo -e "${ORANGE}Bot not running.${NC}"
exit 5
fi
;;
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"start")
# shellcheck disable=SC2086
[ -n "${BOTPID}" ] && kill ${BOTPID}
nohup "$SCRIPT" "startbot" "$2" "${SESSION}" &>/dev/null &
echo "Session Name: ${SESSION}"
if [ -n "$(proclist "${SESSION}")" ]; then
echo -e "${GREEN}Bot started successfully.${NC}"
else
echo -e "${RED}An error occurred while starting the bot.${NC}"
exit 5
fi
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;;
"kill"|"stop")
if [ -n "${BOTPID}" ]; then
# shellcheck disable=SC2086
if kill ${BOTPID}; then
echo -e "${GREEN}OK. Bot stopped successfully.${NC}"
else
echo -e "${RED}An error occured while stopping bot.${NC}"
exit 5
fi
fi
exit
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;;
"resumeb"* | "killb"* | "suspendb"*)
_is_function job_control || { echo -e "${RED}Module background is not availible!${NC}"; exit 3; }
job_control "$1"
;;
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"help")
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less "README.txt"
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exit
;;
*)
echo -e "${RED}${REALME}: BAD REQUEST${NC}"
echo -e "${RED}Available arguments: ${GREY}start, stop, kill, status, status, broadcast, help, suspendback, resumeback, killback${NC}"
exit 4
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;;
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esac
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# warn if root
if [[ "${UID}" -eq "0" ]] ; then
echo -e "\\n${ORANGE}WARNING: ${SCRIPT} was started as ROOT (UID 0)!${NC}"
echo -e "${ORANGE}You are at HIGH RISK when running a Telegram BOT with root privilegs!${NC}"
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fi
fi # end source