mirror of
https://github.com/octoleo/telegram-bot-bash.git
synced 2024-11-16 13:05:09 +00:00
948 lines
32 KiB
Bash
Executable File
948 lines
32 KiB
Bash
Executable File
#!/bin/bash
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##################################################################
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#
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# File: bashbot.sh
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# Note: DO NOT EDIT! this file will be overwritten on update
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# shellcheck disable=SC2140,SC2031,SC2120,SC1091,SC1117,SC2059
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#
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# Description: bashbot, the Telegram bot written in bash.
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#
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# Written by Drew (@topkecleon) KayM (@gnadelwartz).
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# Also contributed: Daniil Gentili (@danog), JuanPotato, BigNerd95,
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# TiagoDanin, iicc1, dcoomber
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# https://github.com/topkecleon/telegram-bot-bash
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#
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# This file is public domain in the USA and all free countries.
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# Elsewhere, consider it to be WTFPLv2. (wtfpl.net/txt/copying)
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#
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# Usage: bashbot.sh BOTCOMMAND
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BOTCOMMANDS="-h help init start stop status suspendback resumeback killback"
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#
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# Exit Codes:
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# 0 - success (hopefully)
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# 1 - can't change to dir
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# 2 - can't write to tmp, count or token
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# 3 - user / command / file not found
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# 4 - unknown command
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# 5 - cannot start, stop or get status
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# 6 - mandatory module not found
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# 7 - can't get bottoken
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# 8 - curl/wget missing
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# 10 - not bash!
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#
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#### $$VERSION$$ v1.52-1-g0dae2db
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##################################################################
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# are we running in a terminal?
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NN="\n"
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if [ -t 1 ] && [ -n "${TERM}" ]; then
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INTERACTIVE='yes'
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RED='\e[31m'
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GREEN='\e[32m'
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ORANGE='\e[35m'
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GREY='\e[1;30m'
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NC='\e[0m'
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NN="${NC}\n"
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fi
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declare -r INTERACTIVE RED GREEN ORANGE GREY NC NN
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# telegram uses utf-8 characters, check if we have an utf-8 charset
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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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# in UTF-8 äöü etc. are part of [:alnum:] and ranges (e.g. a-z), but we want ASCII a-z ranges!
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# for more information see doc/4_expert.md#Character_classes
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azazaz='abcdefghijklmnopqrstuvwxyz' # a-z :lower:
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AZAZAZ='ABCDEFGHIJKLMNOPQRSTUVWXYZ' # A-Z :upper:
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o9o9o9='0123456789' # 0-9 :digit:
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azAZaz="${azazaz}${AZAZAZ}" # a-zA-Z :alpha:
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azAZo9="${azAZaz}${o9o9o9}" # a-zA-z0-9 :alnum:
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# some important helper functions
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# returns true if command exist
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_exists() {
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[ "$(type -t "$1")" = "file" ]
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}
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# execute function if exists
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_exec_if_function() {
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[ "$(type -t "$1")" != "function" ] && return 1
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"$@"
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}
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# returns true if function exist
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_is_function() {
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[ "$(type -t "$1")" = "function" ]
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}
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# 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
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_round_float() {
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local digit="$2"; [[ "$2" =~ ^[${o9o9o9}]+$ ]] || digit="0"
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: "$(LC_ALL=C printf "%.${digit}f" "$1" 2>/dev/null)"
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printf "%s" "${_//,/.}" # make more LANG independent
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}
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# date is external, printf is much faster
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_date(){
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printf "%(%c)T\n" -1
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}
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setConfigKey() {
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[[ "$1" =~ ^[-${azAZo9},._]+$ ]] || 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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}
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getConfigKey() {
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[[ "$1" =~ ^[-${azAZo9},._]+$ ]] || 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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}
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# escape characters in json strings for telegram
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# $1 string, output escaped string
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JsonEscape(){
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sed -E -e 's/\r//g' -e 's/([-"`´,§$%&/(){}#@!?*.\t])/\\\1/g' <<< "${1//$'\n'/\\n}"
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}
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# clean \ from escaped json string
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# $1 string, output cleaned string
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cleanEscape(){ # remove " all \ but \n\u \n or \r
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sed -E -e 's/\\"/+/g' -e 's/\\([^nu])/\1/g' -e 's/(\r|\n)//g' <<<"$1"
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}
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# check if $1 seems a valid token
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# return true if token seems to be valid
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check_token(){
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[[ "$1" =~ ^[${o9o9o9}]{8,10}:[${azAZo9}_-]{35}$ ]] && return 0
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return 1
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}
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# log $1 with date
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log_error(){ printf "%(%c)T: %s\n" -1 "$*" >>"${ERRORLOG}"; }
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log_debug(){ printf "%(%c)T: %s\n" -1 "$*" >>"${DEBUGLOG}"; }
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log_update(){ printf "%(%c)T: %s\n" -1 "$*" >>"${UPDATELOG}"; }
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# log $1 with date, special first \n
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log_message(){ printf "\n%(%c)T: %s\n" -1 "${1/\\n/$'\n'}" >>"${MESSAGELOG}"; }
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# curl is preferred, try detect curl even not in PATH
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# sets BASHBOT_CURL to point to curl
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DETECTED_CURL="curl"
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detect_curl() {
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local file warn="Warning: Curl not detected, try fallback to wget! pls install curl or adjust BASHBOT_CURL/BASHBOT_WGET environment variables."
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# custom curl command
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[ -n "${BASHBOT_CURL}" ] && return 0
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# use wget
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[ -n "${BASHBOT_WGET}" ] && DETECTED_CURL="wget" && return 1
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# default use curl in PATH
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BASHBOT_CURL="curl"
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_exists curl && return 0
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# search in usual locations
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for file in /usr/bin /bin /usr/local/bin; do
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[ -x "${file}/curl" ] && BASHBOT_CURL="${file}/curl" && return 0
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done
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# curl not in PATH and not in usual locations
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DETECTED_CURL="wget"
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log_update "${warn}"; [ -n "${BASHBOTDEBUG}" ] && log_debug "${warn}"
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return 1
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}
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# additional tests if we run in debug mode
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export BASHBOTDEBUG
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[[ "${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
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local token where="$1"; shift
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printf "%(%c)T: debug_checks: %s: bashbot.sh %s\n" -1 "${where}" "${1##*/}"
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# shellcheck disable=SC2094
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[ -z "${DEBUGLOG}" ] && printf "%(%c)T: %s\n" -1 "DEBUGLOG not set! =========="
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token="$(getConfigKey "bottoken")"
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[ -z "${token}" ] && printf "%(%c)T: %s\n" -1 "Bot token is missing! =========="
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check_token "${token}" || printf "%(%c)T: %s\n%s\n" -1 "Invalid bot token! ==========" "${token}"
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[ -z "$(getConfigKey "botadmin")" ] && printf "%(%c)T: %s\n" -1 "Bot admin is missing! =========="
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# call user defined debug_checks if exists
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_exec_if_function my_debug_checks "$(_date)" "${where}" "$*"
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} 2>/dev/null >>"${DEBUGLOG}"
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}
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# some Linux distributions (e.g. Manjaro) doesn't seem to have C locale activated by default
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if _exists locale && [ "$(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
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SCRIPT="$0"
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REALME="${BASH_SOURCE[0]}"
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SCRIPTDIR="$(dirname "${REALME}")"
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RUNDIR="$(dirname "$0")"
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MODULEDIR="${SCRIPTDIR}/modules"
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# adjust stuff for source, use return from source without source
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exit_source() { exit "$1"; }
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if [[ "${SCRIPT}" != "${REALME}" || "$1" == "source" ]]; then
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SOURCE="yes"
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SCRIPT="${REALME}"
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[ -z "$1" ] && exit_source() { printf "Exit from source ...\n"; return "$1"; }
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fi
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# emmbeded system may claim bash but it is not
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# check for bash like ARRAY handlung
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if ! (unset a; set -A a a; eval "a=(a b)"; eval '[ -n "${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_source 10
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fi
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# adjust path variables
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if [ -n "${BASHBOT_HOME}" ]; then
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SCRIPTDIR="${BASHBOT_HOME}"
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else
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BASHBOT_HOME="${SCRIPTDIR}"
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fi
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[ -z "${BASHBOT_ETC}" ] && BASHBOT_ETC="${BASHBOT_HOME}"
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[ -z "${BASHBOT_VAR}" ] && BASHBOT_VAR="${BASHBOT_HOME}"
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ADDONDIR="${BASHBOT_ETC:-.}/addons"
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RUNUSER="${USER}" # save original USER
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# provide help
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case "$1" in
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"") [ -z "${SOURCE}" ] && printf "${ORANGE}Available commands: ${GREY}${BOTCOMMANDS}${NN}" && exit
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;;
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"-h"*) LOGO="${BASHBOT_HOME:-.}/doc/bashbot.ascii"
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{ [ -r "${LOGO}" ] && cat "${LOGO}"
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sed -nE -e '/(NOT EDIT)|(shellcheck)/d' -e '3,/###/p' "$0"; } | more
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exit;;
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"help") HELP="${BASHBOT_HOME:-.}/README"
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if [ -n "${INTERACTIVE}" ];then
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_exists w3m && w3m "${HELP}.html" && exit
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_exists lynx && lynx "${HELP}.html" && exit
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_exists less && less "${HELP}.txt" && exit
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fi
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cat "${HELP}.txt"
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exit;;
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esac
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# OK, ENVIRONMENT is set up, let's do some additional tests
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if [[ -z "${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_source 1
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fi
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RUNDIR="."
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[ ! -w "." ] && printf "${ORANGE}WARNING: ${RUNDIR} is not writeable!${NN}"
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# check if JSON.sh is available
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JSONSHFILE="${BASHBOT_JSONSH:-${SCRIPTDIR}/JSON.sh/JSON.sh}"
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if [ ! -x "${JSONSHFILE}" ]; then
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printf "${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"
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exit_source 3
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fi
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# file locations based on ENVIRONMENT
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BOTCONFIG="${BASHBOT_ETC:-.}/botconfig"
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BOTACL="${BASHBOT_ETC:-.}/botacl"
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DATADIR="${BASHBOT_VAR:-.}/data-bot-bash"
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BLOCKEDFILE="${BASHBOT_VAR:-.}/blocked"
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COUNTFILE="${BASHBOT_VAR:-.}/count"
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LOGDIR="${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
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if [ -z "${BOTTOKEN}" ]; then
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# BOTCONFIG does not exist, create
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[ ! -f "${BOTCONFIG}.jssh" ] && printf '["bot_config_key"]\t"config_key_value"\n' >>"${BOTCONFIG}.jssh"
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if [ -z "$(getConfigKey "bottoken")" ]; then
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# ask user for bot token
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if [ -z "${INTERACTIVE}" ] && [ "$1" != "init" ]; then
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printf "Running headless, set BOTTOKEN or run ${SCRIPT} init first!\n"
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exit 2
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else
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printf "${RED}ENTER BOT TOKEN...${NN}${ORANGE}PLEASE WRITE YOUR TOKEN HERE OR PRESS CTRL+C TO ABORT${NN}"
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read -r token
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printf "\n"
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fi
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[ -n "${token}" ] && printf '["bottoken"]\t"%s"\n' "${token}" >> "${BOTCONFIG}.jssh"
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fi
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# no botadmin, setup botadmin
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if [ -z "$(getConfigKey "botadmin")" ]; then
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# ask user for bot admin
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if [ -z "${INTERACTIVE}" ]; then
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printf "Running headless, set botadmin to AUTO MODE!\n"
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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"
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read -r admin
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fi
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[ -z "${admin}" ] && admin='?'
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printf '["botadmin"]\t"%s"\n' "${admin}" >> "${BOTCONFIG}.jssh"
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fi
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# setup botacl file
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if [ ! -f "${BOTACL}" ]; then
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printf "${GREY}Create initial ${BOTACL} file.${NN}"
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printf '\n' >"${BOTACL}"
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fi
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# check data dir file
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if [ ! -w "${DATADIR}" ]; then
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printf "${RED}ERROR: ${DATADIR} does not exist or is not writeable!.${NN}"
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[ "$1" != "init" ] && exit_source 2 # skip on init
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fi
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# setup count file
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if [ ! -f "${COUNTFILE}.jssh" ]; then
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printf '["counted_user_chat_id"]\t"num_messages_seen"\n' >> "${COUNTFILE}.jssh"
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elif [ ! -w "${COUNTFILE}.jssh" ]; then
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printf "${RED}WARNING: Can't write to ${COUNTFILE}!.${NN}"
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ls -l "${COUNTFILE}.jssh"
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fi
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# setup blocked file
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if [ ! -f "${BLOCKEDFILE}.jssh" ]; then
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printf '["blocked_user_or_chat_id"]\t"name and reason"\n' >>"${BLOCKEDFILE}.jssh"
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fi
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fi
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if [[ ! -d "${LOGDIR}" || ! -w "${LOGDIR}" ]]; then
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LOGDIR="${RUNDIR:-.}"
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fi
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DEBUGLOG="${LOGDIR}/DEBUG.log"
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ERRORLOG="${LOGDIR}/ERROR.log"
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UPDATELOG="${LOGDIR}/BASHBOT.log"
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MESSAGELOG="${LOGDIR}/MESSAGE.log"
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# read BOTTOKEN from bot database if not set
|
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if [ -z "${BOTTOKEN}" ]; then
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BOTTOKEN="$(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} "
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if [ -r "${BOTCONFIG}.jssh.ok" ]; then
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log_error "${BOTERROR}"
|
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mv "${BOTCONFIG}.jssh" "${BOTCONFIG}.jssh.bad"
|
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cp "${BOTCONFIG}.jssh.ok" "${BOTCONFIG}.jssh"; printf "OK\n"
|
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BOTTOKEN="$(getConfigKey "bottoken")"
|
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else
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printf "\n${RED}Error: Can't recover from missing bot token! Remove ${BOTCONFIG}.jssh and run${NC} bashbot.sh init\n"
|
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exit_source 7
|
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fi
|
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fi
|
||
fi
|
||
|
||
# BOTTOKEN format checks
|
||
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}:${NC}}'\n"
|
||
|
||
if [[ ! "${BOTTOKEN}" =~ ^[${o9o9o9}]{8,10}: ]]; then
|
||
printf "${GREY}\tHint: Bot id not a number or wrong len: ${NC}$(($(wc -c <<<"${BOTTOKEN%:*}")-1)) ${GREY}but should be${NC} 8-10\n"
|
||
[ -n "$(getConfigKey "botid")" ] && printf "\t${GREEN}Did you mean: \"${NC}$(getConfigKey "botid")${GREEN}\" ?${NN}"
|
||
fi
|
||
[[ ! "${BOTTOKEN}" =~ :[${azAZo9}_-]{35}$ ]] &&\
|
||
printf "${GREY}\tHint: Hash contains invalid character or has not len${NC} 35 ${GREY}, hash len is ${NC}$(($(wc -c <<<"${BOTTOKEN#*:}")-1))\n"
|
||
printf "\n"
|
||
fi
|
||
|
||
|
||
##################
|
||
# here we start with the real stuff
|
||
BASHBOT_RETRY="" # retry by default
|
||
|
||
URL="${BASHBOT_URL:-https://api.telegram.org/bot}${BOTTOKEN}"
|
||
FILEURL="${URL%%/bot*}/file/bot${BOTTOKEN}"
|
||
ME_URL=${URL}'/getMe'
|
||
|
||
#################
|
||
# BASHBOT COMMON functions
|
||
|
||
declare -rx SCRIPT SCRIPTDIR MODULEDIR RUNDIR ADDONDIR BOTACL DATADIR COUNTFILE
|
||
declare -rx BOTTOKEN URL ME_URL
|
||
|
||
declare -ax CMD
|
||
declare -Ax UPD BOTSENT USER MESSAGE URLS CONTACT LOCATION CHAT FORWARD REPLYTO VENUE iQUERY iBUTTON
|
||
declare -Ax SERVICE NEWMEMBER LEFTMEMBER PINNED MIGRATE
|
||
export res CAPTION ME BOTADMIN
|
||
|
||
|
||
###############
|
||
# load modules
|
||
for module in "${MODULEDIR:-.}"/*.sh ; do
|
||
# shellcheck source=./modules/aliases.sh
|
||
if ! _is_function "$(basename "${module}")" && [ -r "${module}" ]; then source "${module}" "source"; fi
|
||
done
|
||
|
||
##################
|
||
# read commands file if we are not sourced
|
||
COMMANDS="${BASHBOT_ETC:-.}/commands.sh"
|
||
if [ -r "${COMMANDS}" ]; then
|
||
# shellcheck source=./commands.sh
|
||
source "${COMMANDS}" "source"
|
||
else
|
||
[ -z "${SOURCE}" ] && printf "${RED}Warning: ${COMMANDS} does not exist or is not readable!.${NN}"
|
||
fi
|
||
# no debug checks on source
|
||
[ -z "${SOURCE}" ] && debug_checks "start" "$@"
|
||
|
||
|
||
#####################
|
||
# BASHBOT INTERNAL functions
|
||
#
|
||
|
||
# do we have BSD sed
|
||
sed '1ia' </dev/null 2>/dev/null || printf "${ORANGE}Warning: You may run on a BSD style system without gnu utils ...${NN}"
|
||
#jsonDB is now mandatory
|
||
if ! _is_function jssh_newDB; then
|
||
printf "${RED}ERROR: Mandatory module jsonDB is missing or not readable!${NN}"
|
||
exit_source 6
|
||
fi
|
||
|
||
# $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
|
||
debug_checks "end killallproc" "$1"
|
||
}
|
||
|
||
# URL path for file id, $1 file_id
|
||
# use download_file "path" to download file
|
||
get_file() {
|
||
[ -z "$1" ] && return
|
||
sendJson "" '"file_id": "'"$1"'"' "${URL}/getFile"
|
||
printf "%s\n" "${UPD["result,file_path"]}"
|
||
}
|
||
# download file to DATADIR
|
||
# $1 URL path, $2 proposed filename (may modified/ignored)
|
||
# outputs final filename
|
||
# keep old function name for backward compatibility
|
||
alias download="download_file"
|
||
download_file() {
|
||
local url="$1" file="${2:-$1}"
|
||
# old mode if full URL is given
|
||
if [[ "${1}" =~ ^https*:// ]]; then
|
||
# random filename if not given for http
|
||
if [ -z "$2" ]; then
|
||
: "$(mktemp -u -p . "XXXXXXXXXX" 2>/dev/null)"
|
||
file="download-${_#./}"
|
||
fi
|
||
else
|
||
# prefix https://api.telegram...
|
||
url="${FILEURL}/${url}"
|
||
fi
|
||
# filename: replace "/" with "-", use mktemp if exist
|
||
file="${DATADIR:-.}/${file//\//-}"
|
||
[ -f "${file}" ] && file="$(mktemp -p "${DATADIR:-.}" "XXXXX-${file##*/}" )"
|
||
getJson "${url}" >"${file}" || return
|
||
# output absolute file path
|
||
printf "%s\n" "$(cd "${file%/*}" >/dev/null 2>&1 && pwd)/${file##*/}"
|
||
}
|
||
# notify mycommands about errors while sending
|
||
# $1 calling function $2 error $3 chat $4 user $5 error message $6 ... remaining args to calling function
|
||
# calls function based on error: bashbotError{function} basbotError{error}
|
||
# if no specific function exist try to call bashbotProcessError
|
||
processError(){
|
||
local func="$1" err="$2"
|
||
[[ "${err}" != "4"* ]] && return 1
|
||
# check for bashbotError${func} provided in mycommands
|
||
# shellcheck disable=SC2082
|
||
if _is_function "bashbotError_${func}"; then
|
||
"bashbotError_${func}" "$@"
|
||
# check for bashbotError${err} provided in mycommands
|
||
elif _is_function "bashbotError_${err}"; then
|
||
"bashbotError_${err}" "$@"
|
||
# noting found, try bashbotProcessError
|
||
else
|
||
_exec_if_function bashbotProcessError "$@"
|
||
fi
|
||
}
|
||
|
||
# iconv used to filter out broken utf characters, if not installed fake it
|
||
if ! _exists iconv; then
|
||
log_update "Warning: iconv not installed, pls imstall iconv!"
|
||
function iconv() { cat; }
|
||
fi
|
||
|
||
TIMEOUT="${BASHBOT_TIMEOUT:-20}"
|
||
[[ "${TIMEOUT}" =~ ^[${o9o9o9}]+$ ]] || TIMEOUT="20"
|
||
|
||
# usage: sendJson "chat" "JSON" "URL"
|
||
sendJson(){
|
||
local json chat=""
|
||
if [ -n "$1" ]; then
|
||
chat='"chat_id":'"$1"','
|
||
[[ "$1" == *[!${o9o9o9}-]* ]] && chat='"chat_id":"'"$1"' NAN",' # chat id not a number!
|
||
fi
|
||
# compose final json
|
||
json='{'"${chat} $(iconv -f utf-8 -t utf-8 -c <<<"$2")"'}'
|
||
if [ -n "${BASHBOTDEBUG}" ] ; then
|
||
log_update "sendJson (${DETECTED_CURL}) CHAT=${chat#*:} JSON=$(cleanEscape "${json:0:100}") URL=${3##*/}"
|
||
log_message "DEBUG sendJson ==========\n$("${JSONSHFILE}" -b -n <<<"$(cleanEscape "${json}")" 2>&1)"
|
||
fi
|
||
# chat id not a number
|
||
if [[ "${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 (${DETECTED_CURL})" "$@"
|
||
[ -n "${BASHBOT_EVENT_SEND[*]}" ] && event_send "send" "${@}" &
|
||
}
|
||
|
||
UPLOADDIR="${BASHBOT_UPLOAD:-${DATADIR}/upload}"
|
||
|
||
# $1 chat $2 file, $3 calling function
|
||
# return final file name or empty string on error
|
||
checkUploadFile() {
|
||
local err file="$2"
|
||
[[ "${file}" == *'..'* || "${file}" == '.'* ]] && err=1 # no directory traversal
|
||
if [[ "${file}" == '/'* ]] ; then
|
||
[[ ! "${file}" =~ ${FILE_REGEX} ]] && err=2 # absolute must match REGEX
|
||
else
|
||
file="${UPLOADDIR:-NOUPLOADDIR}/${file}" # others must be in UPLOADDIR
|
||
fi
|
||
[ ! -r "${file}" ] && err=3 # and file must exits of course
|
||
# file path error, generate error response
|
||
if [ -n "${err}" ]; then
|
||
BOTSENT=(); BOTSENT[OK]="false"
|
||
case "${err}" in
|
||
1) BOTSENT[ERROR]="Path to file $2 contains to much '../' or starts with '.'";;
|
||
2) BOTSENT[ERROR]="Path to file $2 does not match regex: ${FILE_REGEX} ";;
|
||
3) if [[ "$2" == "/"* ]];then
|
||
BOTSENT[ERROR]="File not found: $2"
|
||
else
|
||
BOTSENT[ERROR]="File not found: ${UPLOADDIR}/$2"
|
||
fi;;
|
||
esac
|
||
[ -n "${BASHBOTDEBUG}" ] && log_debug "$3: CHAT=$1 FILE=$2 MSG=${BOTSENT[DESCRIPTION]}"
|
||
return 1
|
||
fi
|
||
printf "%s\n" "${file}"
|
||
}
|
||
|
||
|
||
#
|
||
# curl / wget specific functions
|
||
#
|
||
if detect_curl ; then
|
||
# here we have curl ----
|
||
[ -z "${BASHBOT_CURL}" ] && BASHBOT_CURL="curl"
|
||
# $1 URL, $2 hack: log getJson if not ""
|
||
getJson(){
|
||
# shellcheck disable=SC2086
|
||
"${BASHBOT_CURL}" -sL -k ${BASHBOT_CURL_ARGS} -m "${TIMEOUT}" -K - <<<"url=$1"
|
||
}
|
||
# curl variant for sendJson
|
||
# usage: "JSON" "URL"
|
||
sendJson_do(){
|
||
# shellcheck disable=SC2086
|
||
"${BASHBOT_CURL}" -s -k ${BASHBOT_CURL_ARGS} -m "${TIMEOUT}"\
|
||
-d "$1" -X POST -K - <<<"url=$2" -H "Content-Type: application/json" | "${JSONSHFILE}" -b -n 2>/dev/null
|
||
}
|
||
#$1 Chat, $2 what, $3 file, $4 URL, $5 caption
|
||
sendUpload() {
|
||
[ "$#" -lt 4 ] && return
|
||
if [ -n "$5" ]; then
|
||
[ -n "${BASHBOTDEBUG}" ] &&\
|
||
log_update "sendUpload CHAT=$1 WHAT=$2 FILE=$3 CAPT=$5"
|
||
# shellcheck disable=SC2086
|
||
res="$("${BASHBOT_CURL}" -s -k ${BASHBOT_CURL_ARGS} -K - <<<"url=$4" -F "chat_id=$1"\
|
||
-F "$2=@$3;${3##*/}" -F "caption=$5" | "${JSONSHFILE}" -b -n 2>/dev/null )"
|
||
else
|
||
# shellcheck disable=SC2086
|
||
res="$("${BASHBOT_CURL}" -s -k ${BASHBOT_CURL_ARGS} -K - <<<"url=$4" -F "chat_id=$1"\
|
||
-F "$2=@$3;${3##*/}" | "${JSONSHFILE}" -b -n 2>/dev/null )"
|
||
fi
|
||
sendJsonResult "${res}" "sendUpload (curl)" "$@"
|
||
[ -n "${BASHBOT_EVENT_SEND[*]}" ] && event_send "upload" "$@" &
|
||
}
|
||
else
|
||
# NO curl, try wget
|
||
if _exists wget; then
|
||
getJson(){
|
||
# shellcheck disable=SC2086
|
||
wget --no-check-certificate -t 2 -T "${TIMEOUT}" ${BASHBOT_WGET_ARGS} -qO - -i <<<"$1"
|
||
}
|
||
# curl variant for sendJson
|
||
# usage: "JSON" "URL"
|
||
sendJson_do(){
|
||
# shellcheck disable=SC2086
|
||
wget --no-check-certificate -t 2 -T "${TIMEOUT}" ${BASHBOT_WGET_ARGS} -qO - --post-data="$1" \
|
||
--header='Content-Type:application/json' -i <<<"$2" | "${JSONSHFILE}" -b -n 2>/dev/null
|
||
}
|
||
sendUpload() {
|
||
log_error "Sorry, wget does not support file upload"
|
||
BOTSENT[OK]="false"
|
||
[ -n "${BASHBOT_EVENT_SEND[*]}" ] && event_send "upload" "$@" &
|
||
}
|
||
else
|
||
# ups, no curl AND no wget
|
||
if [ -n "${BASHBOT_WGET}" ]; then
|
||
printf "${RED}Error: You set BASHBOT_WGET but no wget found!${NN}"
|
||
else
|
||
printf "${RED}Error: curl and wget not found, install curl!${NN}"
|
||
fi
|
||
exit_source 8
|
||
fi
|
||
fi
|
||
|
||
# retry sendJson
|
||
# $1 function $2 sleep $3 ... $n arguments
|
||
sendJsonRetry(){
|
||
local retry="$1"; shift
|
||
[[ "$1" =~ ^\ *[${o9o9o9}.]+\ *$ ]] && sleep "$1"; shift
|
||
printf "%(%c)T: RETRY %s %s %s\n" -1 "${retry}" "$1" "${2:0:60}"
|
||
case "${retry}" in
|
||
'sendJson'*)
|
||
sendJson "$@"
|
||
;;
|
||
'sendUpload'*)
|
||
sendUpload "$@"
|
||
;;
|
||
'send_album'*)
|
||
send_album "$@"
|
||
;;
|
||
*)
|
||
log_error "Error: unknown function ${retry}, cannot retry"
|
||
return
|
||
;;
|
||
esac
|
||
[ "${BOTSENT[OK]}" = "true" ] && log_error "Retry OK:${retry} $1 ${2:0:60}"
|
||
} >>"${ERRORLOG}"
|
||
|
||
# process sendJson result
|
||
# stdout is written to ERROR.log
|
||
# $1 result $2 function $3 .. $n original arguments, $3 is Chat_id
|
||
sendJsonResult(){
|
||
local offset=0
|
||
BOTSENT=( )
|
||
Json2Array 'UPD' <<<"$1"
|
||
[ -n "${BASHBOTDEBUG}" ] && log_message "New Result ==========\n$1"
|
||
BOTSENT[OK]="${UPD["ok"]}"
|
||
if [ "${BOTSENT[OK]}" = "true" ]; then
|
||
BOTSENT[ID]="${UPD["result,message_id"]}"
|
||
BOTSENT[CHAT]="${UPD["result,chat,id"]}"
|
||
[ -n "${UPD["result"]}" ] && BOTSENT[RESULT]="${UPD["result"]}"
|
||
return
|
||
# hot path everything OK!
|
||
else
|
||
# oops something went wrong!
|
||
if [ -n "$1" ]; then
|
||
BOTSENT[ERROR]="${UPD["error_code"]}"
|
||
BOTSENT[DESCRIPTION]="${UPD["description"]}"
|
||
[ -n "${UPD["parameters,retry_after"]}" ] && BOTSENT[RETRY]="${UPD["parameters,retry_after"]}"
|
||
else
|
||
BOTSENT[OK]="false"
|
||
BOTSENT[ERROR]="999"
|
||
BOTSENT[DESCRIPTION]="Send to telegram not possible, timeout/broken/no connection"
|
||
fi
|
||
# log error
|
||
[[ "${BOTSENT[ERROR]}" = "400" && "${BOTSENT[DESCRIPTION]}" == *"starting at byte offset"* ]] &&\
|
||
offset="${BOTSENT[DESCRIPTION]%* }"
|
||
printf "%(%c)T: RESULT=%s FUNC=%s CHAT[ID]=%s ERROR=%s DESC=%s ACTION=%s\n" -1\
|
||
"${BOTSENT[OK]}" "$2" "$3" "${BOTSENT[ERROR]}" "${BOTSENT[DESCRIPTION]}" "${4:${offset}:100}"
|
||
# warm path, do not retry on error, also if we use wegt
|
||
[ -n "${BASHBOT_RETRY}${BASHBOT_WGET}" ] && return
|
||
|
||
# OK, we can retry sendJson, let's see what's failed
|
||
# throttled, telegram say we send too many messages
|
||
if [ -n "${BOTSENT[RETRY]}" ]; then
|
||
BASHBOT_RETRY="$(( ++BOTSENT[RETRY] ))"
|
||
printf "Retry %s in %s seconds ...\n" "$2" "${BASHBOT_RETRY}"
|
||
sendJsonRetry "$2" "${BASHBOT_RETRY}" "${@:3}"
|
||
unset BASHBOT_RETRY
|
||
return
|
||
fi
|
||
# timeout, failed connection or blocked
|
||
if [ "${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 "%(%c)T: BASHBOT IP Address seems blocked!\n" -1
|
||
# 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}" "${@:3}"
|
||
unset BASHBOT_RETRY
|
||
fi
|
||
# seems not blocked, try if blockrecover and default curl args working
|
||
elif [ -n "${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=""
|
||
_exec_if_function bashbotBlockRecover
|
||
sendJsonRetry "$2" "${BASHBOT_RETRY}" "${@:3}"
|
||
unset BASHBOT_RETRY
|
||
fi
|
||
[ -n "${BOTSENT[ERROR]}" ] && processError "$3" "${BOTSENT[ERROR]}" "$4" "" "${BOTSENT[DESCRIPTION]}" "$5" "$6"
|
||
fi
|
||
fi
|
||
} >>"${ERRORLOG}"
|
||
|
||
# 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}"
|
||
}
|
||
|
||
# get bot name and id from telegram
|
||
getBotName() {
|
||
declare -A BOTARRAY
|
||
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"]}"
|
||
printf "${BOTARRAY["result","username"]}\n"
|
||
}
|
||
|
||
# pure bash implementation, done by KayM (@gnadelwartz)
|
||
# see https://stackoverflow.com/a/55666449/9381171
|
||
JsonDecode() {
|
||
local remain U out="$1"
|
||
local regexp='(.*)\\u[dD]([0-9a-fA-F]{3})\\u[dD]([0-9a-fA-F]{3})(.*)'
|
||
while [[ "${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="${BASH_REMATCH[1]}"
|
||
done
|
||
printf "%b\n" "${out}${remain}"
|
||
}
|
||
|
||
|
||
EVENT_SEND="0"
|
||
declare -Ax BASHBOT_EVENT_SEND
|
||
event_send() {
|
||
# max recursion level 5 to avoid fork bombs
|
||
(( EVENT_SEND++ )); [ "${EVENT_SEND}" -gt "5" ] && return
|
||
# shellcheck disable=SC2153
|
||
for key in "${!BASHBOT_EVENT_SEND[@]}"
|
||
do
|
||
_exec_if_function "${BASHBOT_EVENT_SEND[${key}]}" "$@"
|
||
done
|
||
}
|
||
|
||
# cleanup activities on startup, called from startbot and resume background jobs
|
||
# $1 action, timestamp for action is saved in config
|
||
bot_cleanup() {
|
||
# cleanup countfile on startup
|
||
jssh_deleteKeyDB "CLEAN_COUNTER_DATABASE_ON_STARTUP" "${COUNTFILE}"
|
||
[ -f "${COUNTFILE}.jssh.flock" ] && rm -f "${COUNTFILE}.jssh.flock"
|
||
# store action time and cleanup botconfig on startup
|
||
[ -n "$1" ] && jssh_updateKeyDB "$1" "$(_date)" "${BOTCONFIG}"
|
||
[ -f "${BOTCONFIG}.jssh.flock" ] && rm -f "${BOTCONFIG}.jssh.flock"
|
||
}
|
||
|
||
# fallback version, full version is in bin/bashbot_init.in.sh
|
||
# initialize bot environment, user and permissions
|
||
bot_init() {
|
||
if [ -n "${BASHBOT_HOME}" ] && ! cd "${BASHBOT_HOME}"; then
|
||
printf "Can't change to BASHBOT_HOME"
|
||
exit 1
|
||
fi
|
||
# initialize addons
|
||
printf "Initialize addons ...\n"
|
||
for addons in "${ADDONDIR:-.}"/*.sh ; do
|
||
# shellcheck source=./modules/aliases.sh
|
||
[ -r "${addons}" ] && source "${addons}" "init" "$1"
|
||
done
|
||
printf "Done.\n"
|
||
# adjust permissions
|
||
printf "Adjusting files and permissions ...\n"
|
||
chmod 711 .
|
||
chmod -R o-w ./*
|
||
chmod -R u+w "${COUNTFILE}"* "${BLOCKEDFILE}"* "${DATADIR}" logs "${LOGDIR}/"*.log 2>/dev/null
|
||
chmod -R o-r,o-w "${COUNTFILE}"* "${BLOCKEDFILE}"* "${DATADIR}" "${BOTACL}" 2>/dev/null
|
||
# jsshDB must writeable by owner
|
||
find . -name '*.jssh*' -exec chmod u+w \{\} +
|
||
printf "Done.\n"
|
||
_exec_if_function my_init
|
||
}
|
||
|
||
if ! _is_function send_message ; then
|
||
printf "${RED}ERROR: send_message is not available, did you deactivate ${MODULEDIR}/sendMessage.sh?${NN}"
|
||
exit_source 1
|
||
fi
|
||
|
||
# check if JSON.awk exist and has x flag
|
||
JSONAWKFILE="${JSONSHFILE%.sh}.awk"
|
||
if [ -x "${JSONAWKFILE}" ] && _exists awk ; then
|
||
JSONSHFILE="JsonAwk"; JsonAwk() { "${JSONAWKFILE}" -v "BRIEF=8" -v "STRICT=0" -; }
|
||
fi
|
||
|
||
# source the script with source as param to use functions in other scripts
|
||
# do not execute if read from other scripts
|
||
|
||
BOTADMIN="$(getConfigKey "botadmin")"
|
||
|
||
if [ -z "${SOURCE}" ]; then
|
||
##############
|
||
# internal options only for use from bashbot and developers
|
||
# shellcheck disable=SC2221,SC2222
|
||
case "$1" in
|
||
# update botname when starting only
|
||
"botname"|"start"*)
|
||
ME="$(getBotName)"
|
||
if [ -n "${ME}" ]; then
|
||
# ok we have a connection and got botname, save it
|
||
[ -n "${INTERACTIVE}" ] && printf "${GREY}Bottoken is valid ...${NN}"
|
||
jssh_updateKeyDB "botname" "${ME}" "${BOTCONFIG}"
|
||
rm -f "${BOTCONFIG}.jssh.flock"
|
||
else
|
||
printf "${GREY}Info: Can't get Botname from Telegram, try cached one ...${NN}"
|
||
ME="$(getConfigKey "botname")"
|
||
if [ -z "${ME}" ]; then
|
||
printf "${RED}ERROR: No cached botname, can't continue! ...${NN}"
|
||
exit 1
|
||
fi
|
||
fi
|
||
[ -n "${INTERACTIVE}" ] && printf "Bot Name: %s\n" "${ME}"
|
||
[ "$1" = "botname" ] && exit
|
||
;;&
|
||
# used to send output of background and interactive to chats
|
||
"outproc") # $2 chat_id $3 identifier of job, internal use only!
|
||
[ -z "$3" ] && printf "No job identifier\n" && exit 3
|
||
[ -z "$2" ] && printf "No chat to send to\n" && exit 3
|
||
ME="$(getConfigKey "botname")"
|
||
# read until terminated
|
||
while read -r line ;do
|
||
[ -n "${line}" ] && send_message "$2" "${line}"
|
||
done
|
||
# cleanup datadir, keep logfile if not empty
|
||
rm -f -r "${DATADIR:-.}/$3"
|
||
[ -s "${DATADIR:-.}/$3.log" ] || rm -f "${DATADIR:-.}/$3.log"
|
||
debug_checks "end outproc" "$@"
|
||
exit
|
||
;;
|
||
# finally starts the read update loop, internal use only
|
||
"startbot" )
|
||
_exec_if_function start_bot "$2" "polling mode"
|
||
_exec_if_function get_updates "$2"
|
||
debug_checks "end startbot" "$@"
|
||
exit
|
||
;;
|
||
# run after every update to update files and adjust permissions
|
||
"init")
|
||
# shellcheck source=./bin/bashbot._init.inc.sh"
|
||
[ -r "${BASHBOT_HOME:-.}/bin/bashbot_init.inc.sh" ] && source "${BASHBOT_HOME:-.}/bin/bashbot_init.inc.sh"
|
||
bot_init "$2"
|
||
debug_checks "end init" "$@"
|
||
exit
|
||
;;
|
||
# stats deprecated
|
||
"stats"|"count")
|
||
printf "${ORANGE}Stats is a separate command now, see bin/bashbot_stats.sh --help${NN}"
|
||
"${BASHBOT_HOME:-.}"/bin/bashbot_stats.sh --help
|
||
exit
|
||
;;
|
||
# broadcast deprecated
|
||
'broadcast')
|
||
printf "${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 "${BOTPID}" ]; then
|
||
printf "${GREEN}Bot is running with UID ${RUNUSER}.${NN}"
|
||
exit
|
||
else
|
||
printf "${ORANGE}No Bot running with UID ${RUNUSER}.${NN}"
|
||
exit 5
|
||
fi
|
||
debug_checks "end status" "$@"
|
||
;;
|
||
|
||
# start bot as background job and check if bot is running
|
||
"start")
|
||
SESSION="${ME:-_bot}-startbot"
|
||
BOTPID="$(proclist "${SESSION}")"
|
||
if _is_function process_update; then
|
||
# shellcheck disable=SC2086
|
||
[ -n "${BOTPID}" ] && kill ${BOTPID} && printf "${GREY}Stop already running bot ...${NN}"
|
||
nohup "${SCRIPT}" "startbot" "$2" "${SESSION}" &>/dev/null &
|
||
printf "Session Name: %s\n" "${SESSION}"
|
||
sleep 1
|
||
else
|
||
printf "${ORANGE}Update processing disabled, bot can only send messages.${NN}"
|
||
[ -n "${BOTPID}" ] && printf "${ORANGE}Already running bot found ...${NN}"
|
||
fi
|
||
if [ -n "$(proclist "${SESSION}")" ]; then
|
||
printf "${GREEN}Bot started successfully.${NN}"
|
||
else
|
||
printf "${RED}An error occurred while starting the bot.${NN}"
|
||
exit 5
|
||
fi
|
||
debug_checks "end start" "$@"
|
||
;;
|
||
# does what it says
|
||
"stop")
|
||
ME="$(getConfigKey "botname")"
|
||
SESSION="${ME:-_bot}-startbot"
|
||
BOTPID="$(proclist "${SESSION}")"
|
||
if [ -n "${BOTPID}" ]; then
|
||
# shellcheck disable=SC2086
|
||
if kill ${BOTPID}; then
|
||
# inform botadmin about stop
|
||
send_normal_message "${BOTADMIN}" "Bot ${ME} polling mode stopped ..." &
|
||
printf "${GREEN}OK. Bot stopped successfully.${NN}"
|
||
else
|
||
printf "${RED}An error occurred while stopping bot.${NN}"
|
||
exit 5
|
||
fi
|
||
else
|
||
printf "${ORANGE}No Bot running with UID ${RUNUSER}.${NN}"
|
||
fi
|
||
debug_checks "end stop" "$@"
|
||
exit
|
||
;;
|
||
# suspend, resume or kill background jobs
|
||
"suspendb"*|"resumeb"*|'restartb'*|"killb"*)
|
||
_is_function job_control || { printf "${RED}Module background is not available!${NN}"; exit 3; }
|
||
ME="$(getConfigKey "botname")"
|
||
job_control "$1"
|
||
debug_checks "end background $1" "$@"
|
||
;;
|
||
*)
|
||
printf "${RED}${REALME##*/}: unknown command${NN}"
|
||
printf "${ORANGE}Available commands: ${GREY}${BOTCOMMANDS}${NN}" && exit
|
||
exit 4
|
||
;;
|
||
esac
|
||
|
||
# warn if root
|
||
if [[ "${UID}" -eq "0" ]] ; then
|
||
printf "\n${ORANGE}WARNING: ${SCRIPT} was started as ROOT (UID 0)!${NN}"
|
||
printf "${ORANGE}You are at HIGH RISK when running a Telegram BOT with root privileges!${NN}"
|
||
fi
|
||
fi # end source
|