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telegram-bot-bash/bashbot.sh
Kay Marquardt (Gnadelwartz) db14eb990a Bashbot Version 0.72
2019-05-10 19:09:03 +02:00

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#!/bin/bash
# file: bashbot.sh
# do not edit, this file will be overwritten on update
# bashbot, the Telegram bot written in bash.
# 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),
# and on tmux (http://github.com/tmux/tmux) (BSD).
# This file is public domain in the USA and all free countries.
# Elsewhere, consider it to be WTFPLv2. (wtfpl.net/txt/copying)
#
#### $$VERSION$$ v0.72-1-g67c47ac
#
# Exit Codes:
# - 0 sucess (hopefully)
# - 1 can't change to dir
# - 2 can't write to tmp, count or token
# - 3 user / command / file not found
# - 4 unkown command
# - 5 cannot connect to telegram bot
# are we runnig in a terminal?
if [ -t 1 ] && [ "$TERM" != "" ]; then
CLEAR='clear'
RED='\e[31m'
GREEN='\e[32m'
ORANGE='\e[35m'
NC='\e[0m'
fi
# get location and name of bashbot.sh
SCRIPT="$0"
SCRIPTDIR="$(dirname "$0")"
MODULEDIR="${SCRIPTDIR}/modules"
RUNDIR="${SCRIPTDIR}"
[ "${RUNDIR}" = "${SCRIPTDIR}" ] && SCRIPT="./$(basename "${SCRIPT}")"
RUNUSER="${USER}" # USER is overwritten by bashbot array
if [ "$1" != "source" ] && ! cd "${RUNDIR}" ; then
echo -e "${RED}ERROR: Can't change to ${RUNDIR} ...${NC}"
exit 1
fi
if [ ! -w "." ]; then
echo -e "${ORANGE}WARNING: ${RUNDIR} is not writeable!${NC}"
ls -ld .
fi
TOKENFILE="${BASHBOT_ETC:-.}/token"
if [ ! -f "${TOKENFILE}" ]; then
if [ "${CLEAR}" = "" ] && [ "$1" != "init" ]; then
echo "Running headless, run ${SCRIPT} init first!"
exit 2
else
${CLEAR}
echo -e "${RED}TOKEN MISSING.${NC}"
echo -e "${ORANGE}PLEASE WRITE YOUR TOKEN HERE OR PRESS CTRL+C TO ABORT${NC}"
read -r token
echo "${token}" > "${TOKENFILE}"
fi
fi
JSONSHFILE="${BASHBOT_JSONSH:-${RUNDIR}/JSON.sh/JSON.sh}"
[[ "${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 ${JSONSHFILE}..."
[[ "${JSONSHFILE}" = "${RUNDIR}/JSON.sh/JSON.sh" ]] && mkdir "JSON.sh" 2>/dev/null;
curl -sL -o "${JSONSHFILE}" "https://cdn.jsdelivr.net/gh/dominictarr/JSON.sh/JSON.sh"
chmod +x "${JSONSHFILE}"
fi
BOTADMIN="${BASHBOT_ETC:-.}/botadmin"
if [ ! -f "${BOTADMIN}" ]; then
if [ "${CLEAR}" = "" ]; then
echo "Running headless, set botadmin to AUTO MODE!"
echo '?' > "${BOTADMIN}"
else
${CLEAR}
echo -e "${RED}BOTADMIN MISSING.${NC}"
echo -e "${ORANGE}PLEASE WRITE YOUR TELEGRAM ID HERE OR ENTER '?'${NC}"
echo -e "${ORANGE}TO MAKE FIRST USER TYPING '/start' TO BOTADMIN${NC}"
read -r token
echo "${token}" > "${BOTADMIN}"
[ "${token}" = "" ] && echo '?' > "${BOTADMIN}"
fi
fi
BOTACL="${BASHBOT_ETC:-.}/botacl"
if [ ! -f "${BOTACL}" ]; then
echo -e "${ORANGE}Create empty ${BOTACL} file.${NC}"
echo "" >"${BOTACL}"
fi
TMPDIR="${BASHBOT_VAR:-.}/data-bot-bash"
if [ ! -d "${TMPDIR}" ]; then
mkdir "${TMPDIR}"
elif [ ! -w "${TMPDIR}" ]; then
${CLEAR}
echo -e "${RED}ERROR: Can't write to ${TMPDIR}!.${NC}"
ls -ld "${TMPDIR}"
exit 2
fi
COUNTFILE="${BASHBOT_VAR:-.}/count"
if [ ! -f "${COUNTFILE}" ]; then
echo "" >"${COUNTFILE}"
elif [ ! -w "${COUNTFILE}" ]; then
${CLEAR}
echo -e "${RED}ERROR: Can't write to ${COUNTFILE}!.${NC}"
ls -l "${COUNTFILE}"
exit 2
fi
BOTTOKEN="$(cat "${TOKENFILE}")"
URL='https://api.telegram.org/bot'$BOTTOKEN
MSG_URL=$URL'/sendMessage'
LEAVE_URL=$URL'/leaveChat'
KICK_URL=$URL'/kickChatMember'
UNBAN_URL=$URL'/unbanChatMember'
PHO_URL=$URL'/sendPhoto'
AUDIO_URL=$URL'/sendAudio'
DOCUMENT_URL=$URL'/sendDocument'
STICKER_URL=$URL'/sendSticker'
VIDEO_URL=$URL'/sendVideo'
VOICE_URL=$URL'/sendVoice'
LOCATION_URL=$URL'/sendLocation'
VENUE_URL=$URL'/sendVenue'
ACTION_URL=$URL'/sendChatAction'
FORWARD_URL=$URL'/forwardMessage'
ME_URL=$URL'/getMe'
DELETE_URL=$URL'/deleteMessage'
GETMEMBER_URL=$URL'/getChatMember'
UPD_URL=$URL'/getUpdates?offset='
GETFILE_URL=$URL'/getFile'
unset USER
declare -A BOTSENT USER MESSAGE URLS CONTACT LOCATION CHAT FORWARD REPLYTO VENUE
export BOTSENT USER MESSAGE URLS CONTACT LOCATION CHAT FORWARD REPLYTO VENUE
COMMANDS="${BASHBOT_ETC:-.}/commands.sh"
if [ "$1" != "source" ]; then
if [ ! -f "${COMMANDS}" ] || [ ! -r "${COMMANDS}" ]; then
${CLEAR}
echo -e "${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
send_normal_message() {
local text="${2}"
until [ -z "${text}" ]; do
sendJson "${1}" '"text":"'"${text:0:4096}"'"' "${MSG_URL}"
text="${text:4096}"
done
}
send_markdown_message() {
local text="${2}"
until [ -z "${text}" ]; do
sendJson "${1}" '"text":"'"${text:0:4096}"'","parse_mode":"markdown"' "${MSG_URL}"
text="${text:4096}"
done
}
send_html_message() {
local text="${2}"
until [ -z "${text}" ]; do
sendJson "${1}" '"text":"'"${text:0:4096}"'","parse_mode":"html"' "${MSG_URL}"
text="${text:4096}"
done
}
delete_message() {
sendJson "${1}" 'message_id: '"${2}"'' "${DELETE_URL}"
}
# usage: status="$(get_chat_member_status "chat" "user")"
get_chat_member_status() {
sendJson "$1" 'user_id: '"$2"'' "$GETMEMBER_URL"
JsonGetString '"result","status"' <<< "$res"
}
kick_chat_member() {
sendJson "$1" 'user_id: '"$2"'' "$KICK_URL"
}
unban_chat_member() {
sendJson "$1" 'user_id: '"$2"'' "$UNBAN_URL"
}
leave_chat() {
sendJson "$1" "" "$LEAVE_URL"
}
user_is_creator() {
if [ "${1:--}" = "${2:-+}" ] || [ "$(get_chat_member_status "$1" "$2")" = "creator" ]; then return 0; fi
return 1
}
user_is_admin() {
local me; me="$(get_chat_member_status "$1" "$2")"
if [ "${me}" = "creator" ] || [ "${me}" = "administrator" ]; then return 0; fi
return 1
}
user_is_botadmin() {
local admin; admin="$(head -n 1 "${BOTADMIN}")"
[ "${admin}" = "${1}" ] && return 0
[[ "${admin}" = "@*" ]] && [[ "${admin}" = "${2}" ]] && return 0
if [ "${admin}" = "?" ]; then echo "${1:-?}" >"${BOTADMIN}"; return 0; fi
return 1
}
user_is_allowed() {
local acl="$1"
[ "$1" = "" ] && return 1
grep -F -xq "${acl}:*:*" <"${BOTACL}" && return 0
[ "$2" != "" ] && acl="${acl}:$2"
grep -F -xq "${acl}:*" <"${BOTACL}" && return 0
[ "$3" != "" ] && acl="${acl}:$3"
grep -F -xq "${acl}" <"${BOTACL}"
}
old_send_keyboard() {
local text='"text":"'"${2}"'"'
shift 2
local keyboard=init
OLDIFS=$IFS
IFS=$(echo -en "\"")
for f in "$@" ;do [ "$f" != " " ] && keyboard="$keyboard, [\"$f\"]";done
IFS=$OLDIFS
keyboard=${keyboard/init, /}
sendJson "${1}" "${text}"', "reply_markup": {"keyboard": [ '"${keyboard}"' ],"one_time_keyboard": true}' "$MSG_URL"
}
ISEMPTY="ThisTextIsEmptyAndWillBeDeleted"
send_keyboard() {
if [[ "$3" != *'['* ]]; then old_send_keyboard "$@"; return; fi
local text='"text":"'"${2}"'"'; [ "${2}" = "" ] && text='"text":"'"${ISEMPTY}"'"'
local one_time=', "one_time_keyboard":true' && [ "$4" != "" ] && one_time=""
sendJson "${1}" "${text}"', "reply_markup": {"keyboard": [ '"${3}"' ] '"${one_time}"'}' "$MSG_URL"
# '"text":"$2", "reply_markup": {"keyboard": [ ${3} ], "one_time_keyboard": true}'
}
remove_keyboard() {
local text='"text":"'"${2}"'"'; [ "${2}" = "" ] && text='"text":"'"${ISEMPTY}"'"'
sendJson "${1}" "${text}"', "reply_markup": {"remove_keyboard":true}' "$MSG_URL"
#JSON='"text":"$2", "reply_markup": {"remove_keyboard":true}'
}
send_inline_keyboard() {
local text='"text":"'"${2}"'"'; [ "${2}" = "" ] && text='"text":"'"${ISEMPTY}"'"'
sendJson "${1}" "${text}"', "reply_markup": {"inline_keyboard": [ '"${3}"' ]}' "$MSG_URL"
# JSON='"text":"$2", "reply_markup": {"inline_keyboard": [ $3->[{"text":"text", "url":"url"}]<- ]}'
}
send_button() {
send_inline_keyboard "${1}" "${2}" '[ {"text":"'"${3}"'", "url":"'"${4}"'"}]'
}
# usage: sendJson "chat" "JSON" "URL"
sendJson(){
local chat="";
[ "${1}" != "" ] && chat='"chat_id":'"${1}"','
res="$(curl -s -d '{'"${chat} $2"'}' -X POST "${3}" \
-H "Content-Type: application/json" | "${JSONSHFILE}" -s -b -n )"
BOTSENT[OK]="$(JsonGetLine '"ok"' <<< "$res")"
BOTSENT[ID]="$(JsonGetValue '"result","message_id"' <<< "$res")"
[[ "${2}" = *"${ISEMPTY}"* ]] && delete_message "${1}" "${BOTSENT[ID]}"
}
# convert common telegram entities to JSON
# title caption description markup inlinekeyboard
title2Json(){
local title caption desc markup keyboard
[ "$1" != "" ] && title=',"title":"'$1'"'
[ "$2" != "" ] && caption=',"caption":"'$2'"'
[ "$3" != "" ] && desc=',"description":"'$3'"'
[ "$4" != "" ] && markup=',"parse_mode":"'$4'"'
[ "$5" != "" ] && keyboard=',"reply_markup":"'$5'"'
echo "${title}${caption}${desc}${markup}${keyboard}"
}
get_file() {
[ "$1" = "" ] && return
local JSON='"file_id": '"${1}"
sendJson "" "${JSON}" "${GETFILE_URL}"
echo "${URL}/$(echo "${res}" | jsonGetString '"result","file_path"')"
}
send_file() {
[ "$2" = "" ] && return
local CAPTION
local chat_id=$1
local file=$2
echo "$file" | grep -qE "$FILE_REGEX" || return
local ext="${file##*.}"
case $ext in
mp3|flac)
CUR_URL=$AUDIO_URL
WHAT=audio
STATUS=upload_audio
CAPTION="$3"
;;
png|jpg|jpeg|gif)
CUR_URL=$PHO_URL
WHAT=photo
STATUS=upload_photo
CAPTION="$3"
;;
webp)
CUR_URL=$STICKER_URL
WHAT=sticker
STATUS=
;;
mp4)
CUR_URL=$VIDEO_URL
WHAT=video
STATUS=upload_video
CAPTION="$3"
;;
ogg)
CUR_URL=$VOICE_URL
WHAT=voice
STATUS=
;;
*)
CUR_URL=$DOCUMENT_URL
WHAT=document
STATUS=upload_document
CAPTION="$3"
;;
esac
send_action "$chat_id" "$STATUS"
res="$(curl -s "$CUR_URL" -F "chat_id=$chat_id" -F "$WHAT=@$file" -F "caption=$CAPTION")"
}
# typing for text messages, upload_photo for photos, record_video or upload_video for videos, record_audio or upload_audio for audio files, upload_document for general files, find_location for location
send_action() {
[ "$2" = "" ] && return
sendJson "${1}" '"action": "'"${2}"'"' "$ACTION_URL"
}
send_location() {
[ "$3" = "" ] && return
sendJson "${1}" '"latitude": '"${2}"', "longitude": '"${3}"'' "$LOCATION_URL"
}
send_venue() {
local add=""
[ "$5" = "" ] && return
[ "$6" != "" ] && add=', "foursquare_id": '"$6"''
sendJson "${1}" '"latitude": '"${2}"', "longitude": '"${3}"', "address": "'"${5}"'", "title": "'"${4}"'"'"${add}" "$VENUE_URL"
}
forward_message() {
[ "$3" = "" ] && return
sendJson "${1}" '"from_chat_id": '"${2}"', "message_id": '"${3}"'' "$FORWARD_URL"
}
forward() { # backward compatibility
forward_message "$@" || return
}
# returns true if function exist
_is_function()
{
[ "$(LC_ALL=C type -t "$1")" = "function" ]
}
process_updates() {
MAX_PROCESS_NUMBER="$(sed <<< "${UPDATE}" '/\["result",[0-9]*\]/!d' | tail -1 | sed 's/\["result",//g;s/\].*//g')"
for ((PROCESS_NUMBER=0; PROCESS_NUMBER<=MAX_PROCESS_NUMBER; PROCESS_NUMBER++)); do
process_client "$1"
done
}
process_client() {
iQUERY[ID]="$(JsonGetString <<<"${UPDATE}" '"result",'"${PROCESS_NUMBER}"',"inline_query","id"')"
if [ "${iQUERY[ID]}" = "" ]; then
[[ "$1" = *"debug"* ]] && echo "$UPDATE" >>"MESSAGE.log"
process_message "$PROCESS_NUMBER" "$1"
else
[[ "$1" = *"debug"* ]] && echo "$UPDATE" >>"INLINE.log"
[ "$INLINE" != "0" ] && _is_function process_inline && process_inline "$PROCESS_NUMBER" "$1"
fi
# Tmux
copname="$ME"_"${CHAT[ID]}"
source commands.sh
tmpcount="COUNT${CHAT[ID]}"
grep -q "$tmpcount" <"${COUNTFILE}" >/dev/null 2>&1 || echo "$tmpcount">>"${COUNTFILE}"
# To get user count execute bash bashbot.sh count
}
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'
}
process_message() {
local num="$1"
local TMP="${TMPDIR:-.}/$RANDOM$RANDOM-MESSAGE"
echo "$UPDATE" >"$TMP"
# Message
MESSAGE[0]="$(JsonDecode "$(JsonGetString '"result",'"${num}"',"message","text"' <"$TMP")" | sed 's#\\/#/#g')"
MESSAGE[ID]="$(JsonGetValue '"result",'"${num}"',"message","message_id"' <"$TMP" )"
# Chat
CHAT[ID]="$(JsonGetValue '"result",'"${num}"',"message","chat","id"' <"$TMP" )"
CHAT[FIRST_NAME]="$(JsonDecode "$(JsonGetString '"result",'"${num}"',"message","chat","first_name"' <"$TMP")")"
CHAT[LAST_NAME]="$(JsonDecode "$(JsonGetString '"result",'"${num}"',"message","chat","last_name"' <"$TMP")")"
CHAT[USERNAME]="$(JsonDecode "$(JsonGetString '"result",'"${num}"',"message","chat","username"' <"$TMP")")"
CHAT[TITLE]="$(JsonDecode "$(JsonGetString '"result",'"${num}"',"message","chat","title"' <"$TMP")")"
CHAT[TYPE]="$(JsonDecode "$(JsonGetString '"result",'"${num}"',"message","chat","type"' <"$TMP")")"
CHAT[ALL_MEMBERS_ARE_ADMINISTRATORS]="$(JsonDecode "$(JsonGetString '"result",'"${num}"',"message","chat","all_members_are_administrators"' <"$TMP")")"
# User
USER[ID]="$(JsonGetValue '"result",'"${num}"',"message","from","id"' <"$TMP" )"
USER[FIRST_NAME]="$(JsonDecode "$(JsonGetString '"result",'"${num}"',"message","from","first_name"' <"$TMP")")"
USER[LAST_NAME]="$(JsonDecode "$(JsonGetString '"result",'"${num}"',"message","from","last_name"' <"$TMP")")"
USER[USERNAME]="$(JsonDecode "$(JsonGetString '"result",'"${num}"',"message","from","username"' <"$TMP")")"
# in reply to message from
REPLYTO[UID]="$(JsonGetValue '"result",'"${num}"',"message","reply_to_message","from","id"' <"$TMP" )"
if [ "${REPLYTO[UID]}" != "" ]; then
REPLYTO[0]="$(JsonDecode "$(JsonGetString '"result",'"${num}"',"message","reply_to_message","text"' <"$TMP")")"
REPLYTO[ID]="$(JsonGetValue '"result",'"${num}"',"message","reply_to_message","message_id"' <"$TMP")"
REPLYTO[FIRST_NAME]="$(JsonDecode "$(JsonGetString '"result",'"${num}"',"message","reply_to_message","from","first_name"' <"$TMP")")"
REPLYTO[LAST_NAME]="$(JsonDecode "$(JsonGetString '"result",'"${num}"',"message","reply_to_message","from","last_name"' <"$TMP")")"
REPLYTO[USERNAME]="$(JsonDecode "$(JsonGetString '"result",'"${num}"',"message","reply_to_message","from","username"' <"$TMP")")"
fi
# forwarded message from
FORWARD[UID]="$(JsonGetValue '"result",'"${num}"',"message","forward_from","id"' <"$TMP" )"
if [ "${FORWARD[UID]}" != "" ]; then
FORWARD[ID]="${MESSAGE[ID]}" # same as message ID
FORWARD[FIRST_NAME]="$(JsonDecode "$(JsonGetString '"result",'"${num}"',"message","forward_from","first_name"' <"$TMP")")"
FORWARD[LAST_NAME]="$(JsonDecode "$(JsonGetString '"result",'"${num}"',"message","forward_from","last_name"' <"$TMP")")"
FORWARD[USERNAME]="$(JsonDecode "$(JsonGetString '"result",'"${num}"',"message","forward_from","username"' <"$TMP")")"
fi
# Audio
URLS[AUDIO]="$(get_file "$(JsonGetString '"result",'"${num}"',"message","audio","file_id"' <"$TMP")")"
# Document
URLS[DOCUMENT]="$(get_file "$(JsonGetString '"result",'"${num}"',"message","document","file_id"' <"$TMP")")"
# Photo
URLS[PHOTO]="$(get_file "$(JsonGetString '"result",'"${num}"',"message","photo",0,"file_id"' <"$TMP")")"
# Sticker
URLS[STICKER]="$(get_file "$(JsonGetString '"result",'"${num}"',"message","sticker","file_id"' <"$TMP")")"
# Video
URLS[VIDEO]="$(get_file "$(JsonGetString '"result",'"${num}"',"message","video","file_id"' <"$TMP")")"
# Voice
URLS[VOICE]="$(get_file "$(JsonGetString '"result",'"${num}"',"message","voice","file_id"' <"$TMP")")"
# Contact
CONTACT[USER_ID]="$(JsonDecode "$(JsonGetString '"result",'"${num}"',"message","contact","user_id"' <"$TMP")")"
CONTACT[FIRST_NAME]="$(JsonDecode "$(JsonGetString '"result",'"${num}"',"message","contact","first_name"' <"$TMP")")"
CONTACT[LAST_NAME]="$(JsonDecode "$(JsonGetString '"result",'"${num}"',"message","contact","last_name"' <"$TMP")")"
CONTACT[NUMBER]="$(JsonGetString '"result",'"${num}"',"message","contact","phone_number"' <"$TMP")"
CONTACT[VCARD]="$(JsonGetString '"result",'"${num}"',"message","contact","vcard"' <"$TMP")"
# vunue
VENUE[TITLE]="$(JsonDecode "$(JsonGetString '"result",'"${num}"',"message","venue","title"' <"$TMP")")"
VENUE[ADDRESS]="$(JsonDecode "$(JsonGetString '"result",'"${num}"',"message","venue","address"' <"$TMP")")"
VENUE[LONGITUDE]="$(JsonGetValue '"result",'"${num}"',"message","venue","location","longitude"' <"$TMP")"
VENUE[LATITUDE]="$(JsonGetValue '"result",'"${num}"',"message","venue","location","latitude"' <"$TMP")"
VENUE[FOURSQUARE]="$(JsonGetString '"result",'"${num}"',"message","venue","foursquare_id"' <"$TMP")"
# Caption
CAPTION="$(JsonDecode "$(JsonGetString '"result",'"${num}"',"message","caption"' <"$TMP")")"
# Location
LOCATION[LONGITUDE]="$(JsonGetValue '"result",'"${num}"',"message","location","longitude"' <"$TMP")"
LOCATION[LATITUDE]="$(JsonGetValue '"result",'"${num}"',"message","location","latitude"' <"$TMP")"
NAME="$(echo "${URLS[*]}" | sed 's/.*\///g')"
rm "$TMP"
}
# main get updates loop, should never terminate
start_bot() {
local DEBUG="$1"
local OFFSET=0
local mysleep="100" # ms
local addsleep="100"
local maxsleep="$(( ${BASHBOT_SLEEP:-5000} + 100 ))"
[[ "${DEBUG}" = *"debug" ]] && exec &>>"DEBUG.log"
[ "${DEBUG}" != "" ] && date && echo "Start BASHBOT in Mode \"${DEBUG}\""
[[ "${DEBUG}" = "xdebug"* ]] && set -x
while true; do {
UPDATE="$(curl -s "$UPD_URL$OFFSET" | "${JSONSHFILE}" -s -b -n)"
# Offset
OFFSET="$(grep <<< "${UPDATE}" '\["result",[0-9]*,"update_id"\]' | tail -1 | cut -f 2)"
OFFSET=$((OFFSET+1))
if [ "$OFFSET" != "1" ]; then
mysleep="100"
process_updates "${DEBUG}" &
fi
# adaptive sleep in ms rounded to next lower second
[ "${mysleep}" -gt "999" ] && sleep "${mysleep%???}"
mysleep=$((mysleep+addsleep)); [ "${mysleep}" -gt "${maxsleep}" ] && mysleep="${maxsleep}"
}
done
}
# initialize bot environment, user and permissions
bot_init() {
# move tmpdir to datadir
local OLDTMP="${BASHBOT_VAR:-.}/tmp-bot-bash"
[ -d "${OLDTMP}" ] && { mv -n "${OLDTMP}/"* "${TMPDIR}"; rmdir "${OLDTMP}"; }
[[ "$(id -u)" -eq "0" ]] && RUNUSER="nobody"
echo -n "Enter User to run basbot [$RUNUSER]: "
read -r TOUSER
[ "$TOUSER" = "" ] && TOUSER="$RUNUSER"
if ! compgen -u "$TOUSER" >/dev/null 2>&1; then
echo -e "${RED}User \"$TOUSER\" not found!${NC}"
exit 3
else
echo "Adjusting user \"${TOUSER}\" files and permissions ..."
[ -w "bashbot.rc" ] && sed -i '/^[# ]*runas=/ s/runas=.*$/runas="'$TOUSER'"/' "bashbot.rc"
chown -R "$TOUSER" . ./*
chmod 711 .
chmod -R a-w ./*
chmod -R u+w "${COUNTFILE}" "${TMPDIR}" "${BOTADMIN}" ./*.log 2>/dev/null
chmod -R o-r,o-w "${COUNTFILE}" "${TMPDIR}" "${TOKENFILE}" "${BOTADMIN}" "${BOTACL}" 2>/dev/null
ls -la
fi
}
# get bot name
getBotName() {
sendJson "" "" "$ME_URL"
JsonGetString '"result","username"' <<< "$res"
}
ME="$(getBotName)"
if [ "$ME" = "" ]; then
if [ "$(cat "${TOKENFILE}")" = "bashbottestscript" ]; then
ME="bashbottestscript"
else
echo -e "${RED}ERROR: Can't connect to Telegram Bot! May be your TOKEN is invalid ...${NC}"
exit 1
fi
fi
# use phyton JSON to decode JSON UFT-8, provide bash implementaion as fallback
if [ "${BASHBOT_DECODE}" != "" ] && which python >/dev/null 2>&1 ; then
JsonDecode() {
printf '"%s\\n"' "${1//\"/\\\"}" | python -c 'import json, sys; sys.stdout.write(json.load(sys.stdin).encode("utf-8"))'
}
else
# pure bash implementaion, done by KayM (@gnadelwartz)
# see https://stackoverflow.com/a/55666449/9381171
JsonDecode() {
local out="$1"
local remain=""
local regexp='(.*)\\u[dD]([0-9a-fA-F]{3})\\u[dD]([0-9a-fA-F]{3})(.*)'
while [[ "${out}" =~ $regexp ]] ; do
# match 2 \udxxx hex values, calculate new U, then split and replace
local W1=$(( ( 0xd${BASH_REMATCH[2]} & 0x3ff) <<10 ))
local W2=$(( 0xd${BASH_REMATCH[3]} & 0x3ff ))
local U=$(( ( W1 | W2 ) + 0x10000 ))
remain="$(printf '\\U%8.8x' "${U}")${BASH_REMATCH[4]}${remain}"
out="${BASH_REMATCH[1]}"
done
echo -e "${out}${remain}"
}
fi
# source the script with source as param to use functions in other scripts
# do not execute if read from other scripts
if [ "$1" != "source" ]; then
##############
# internal options only for use from bashbot and developers
case "$1" in
"outproc") # forward output from interactive and jobs to chat
until [ "$line" = "imprettydarnsuredatdisisdaendofdacmd" ];do
line=""
read -r -t 10 line
[ "$line" != "" ] && [ "$line" != "imprettydarnsuredatdisisdaendofdacmd" ] && send_message "$2" "$line"
done <"${TMPDIR:-.}/$3"
rm -f -r "${TMPDIR:-.}/$3"
exit
;;
"startbot" )
start_bot "$2"
exit
;;
"source") # this should never arrive here
exit
;;
"init") # adjust users and permissions
bot_init
exit
;;
"attach")
tmux attach -t "$ME"
exit
;;
esac
###############
# "official" arguments as shown to users
case "$1" in
"count")
echo "A total of $(wc -l <"${COUNTFILE}") users used me."
exit
;;
"broadcast")
NUMCOUNT="$(wc -l <"${COUNTFILE}")"
echo "Sending the broadcast $* to $NUMCOUNT users."
[ "$NUMCOUNT" -gt "300" ] && sleep="sleep 0.5"
shift
while read -r f; do send_markdown_message "${f//COUNT}" "$*"; $sleep; done <"${COUNTFILE}"
;;
"start")
${CLEAR}
tmux kill-session -t "$ME" &>/dev/null
tmux new-session -d -s "$ME" "bash $SCRIPT startbot" && echo -e "${GREEN}Bot started successfully.${NC}"
echo "Tmux session name $ME" || echo -e "${RED}An error occurred while starting the bot. ${NC}"
send_markdown_message "${CHAT[ID]}" "*Bot started*"
;;
"kill")
${CLEAR}
tmux kill-session -t "$ME" &>/dev/null
send_markdown_message "${CHAT[ID]}" "*Bot stopped*"
echo -e "${GREEN}OK. Bot stopped successfully.${NC}"
;;
"background" | "resumeback")
${CLEAR}
echo -e "${GREEN}Restart background processes ...${NC}"
for FILE in "${TMPDIR:-.}/"*-back.cmd; do
if [ "${FILE}" = "${TMPDIR:-.}/*-back.cmd" ]; then
echo -e "${RED}No background processes to start.${NC}"; break
else
RESTART="$(< "${FILE}")"
CHAT[ID]="${RESTART%%:*}"
JOB="${RESTART#*:}"
PROG="${JOB#*:}"
JOB="${JOB%:*}"
fifo="back-${JOB}-${ME}_${CHAT[ID]}" # compose fifo from jobname, $ME (botname) and CHAT[ID]
echo "restartbackground ${PROG} ${fifo}"
( tmux kill-session -t "${fifo}"; tmux kill-session -t "sendprocess_${fifo}"; rm -f -r "${TMPDIR:-.}/${fifo}") 2>/dev/null
mkfifo "${TMPDIR:-.}/${fifo}"
tmux new-session -d -s "${fifo}" "${PROG} &>${TMPDIR:-.}/${fifo}; echo imprettydarnsuredatdisisdaendofdacmd>${TMPDIR:-.}/${fifo}"
tmux new-session -d -s "sendprocess_${fifo}" "bash $SCRIPT outproc ${CHAT[ID]} ${fifo}"
fi
done
;;
"killback" | "suspendback")
${CLEAR}
echo -e "${GREEN}Stopping background processes ...${NC}"
for FILE in "${TMPDIR:-.}/"*-back.cmd; do
if [ "${FILE}" = "${TMPDIR:-.}/*-back.cmd" ]; then
echo -e "${RED}No background processes.${NC}"; break
else
REMOVE="$(< "${FILE}")"
JOB="${REMOVE#*:}"
fifo="back-${JOB%:*}-${ME}_${REMOVE%%:*}"
echo "killbackground ${fifo}"
[ "$1" = "killback" ] && rm -f "${FILE}" # remove job
( tmux kill-session -t "${fifo}"; tmux kill-session -t "sendprocess_${fifo}"; rm -f -r "${TMPDIR:-.}/${fifo}") 2>/dev/null
fi
done
;;
"help")
${CLEAR}
less "README.txt"
exit
;;
*)
echo -e "${RED}${ME}: BAD REQUEST${NC}"
echo -e "${RED}Available arguments: start, kill, count, broadcast, help, suspendback, resumeback, killback${NC}"
exit 4
;;
esac
# warn if root
if [[ "$(id -u)" -eq "0" ]] ; then
echo -e "\\n${ORANGE}WARNING: ${SCRIPT} was started as ROOT (UID 0)!${NC}"
echo -e "${ORANGE}You are at HIGH RISK when processing user input with root privilegs!${NC}"
fi
fi # end source
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