mirror of
https://github.com/octoleo/telegram-bot-bash.git
synced 2024-11-29 18:53:52 +00:00
135 lines
4.0 KiB
Bash
135 lines
4.0 KiB
Bash
#!/bin/bash
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# file: addons/antiFlood.sh.dist
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#
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# this addon counts how many files, e.g. stickers, are sent to
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# a chat and takes actions if threshold is reached
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#
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#### $$VERSION$$ v0.90-0-g7029f7f
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# used events:
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#
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# BASHBOT_EVENT_TEXT message containing message text received
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# BASHBOT_EVENT_CMD a command is recieved
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# BASHBOT_EVENT_FILE file received
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#
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# all global variables and functions can be used in registered functions.
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#
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# parameters when loaded
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# $1 event: init, startbot ...
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# $2 debug: use "[[ "$2" = *"debug"* ]]" if you want to output extra diagnostic
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#
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# prameters on events
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# $1 event: inline, message, ..., file
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# $2 debug: use "[[ "$2" = *"debug"* ]]" if you want to output extra diagnostic
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#
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# shellcheck disable=SC2140
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# export used events
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export BASHBOT_EVENT_TEXT BASHBOT_EVENT_CMD BASHBOT_EVENT_FILE BASHBOT_EVENT_TIMER
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# any global variable defined by addons MUST be prefixed by addon name
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ANTIFL_ME="antiFlood"
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declare -Ax ANTIFL_CHATS ANTIFL_ACTUALS
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ANTIFL_DEFAULT="5" # 5 files per minute
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ANTIFL_BAN="5" # 5 minutes
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# initialize after installation or update
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if [[ "$1" = "init"* ]]; then
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jssh_newDB "addons/$ANTIFL_ME"
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fi
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# register on startbot
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if [[ "$1" = "start"* ]]; then
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ANTIFL_ADMIN="$(< "${BOTADMIN}")"
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#load existing chat settings on start
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jssh_readDB "ANTIFL_CHATS" "addons/$ANTIFL_ME"
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# register to CMD
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BASHBOT_EVENT_CMD["${ANTIFL_ME}"]="${ANTIFL_ME}_cmd"
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antiFlood_cmd(){
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case "${CMD[0]}" in
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# command /afstart starts detection, $1 floodlevel
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"/afstart")
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ANTIFL_CHATS["${CHAT[ID]}","level"]="${ANTIFL_DEFAULT}"
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ANTIFL_CHATS["${CHAT[ID]}","ban"]="${ANTIFL_BAN}"
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[[ "${CMD[1]}" =~ ^[0-9]+$ ]] && ANTIFL_CHATS["${CHAT[ID]}","level"]="${CMD[1]}"
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antiFlood_timer
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;;
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# command /afactive starts counter meausares
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"/afdo")
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ANTIFL_CHATS["${CHAT[ID]}","active"]="yes"
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;;
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# command /afactive starts counter meausares
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"/afstop")
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ANTIFL_CHATS["${CHAT[ID]}","active"]="no"
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;;
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esac
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}
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# register to timer
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BASHBOT_EVENT_TIMER["${ANTIFL_ME}","${ANTIFL_BAN}"]="antiFlood_timer"
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# save settings and reset flood level every BAN Min
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antiFlood_timer(){
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ANTIFL_ACTUALS=( )
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jssh_writeDB "ANTIFL_CHATS" "addons/$ANTIFL_ME" &
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}
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# register to inline and command
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BASHBOT_EVENT_TEXT["${ANTIFL_ME}"]="${ANTIFL_ME}_multievent"
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BASHBOT_EVENT_FILE["${ANTIFL_ME}"]="${ANTIFL_ME}_multievent"
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antiFlood_multievent(){
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# not started
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[ "${ANTIFL_CHATS["${CHAT[ID]}","level"]}" = "" ] && return
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# count user flood text
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if [ "$1" = "text" ]; then
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if [ "${#MESSAGE[0]}" -gt "${ANTIFL_CHATS["${CHAT[ID]}","level"]}" ]; then
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(( ANTIFL_ACTUALS["${CHAT[ID]}","${USER[ID]}"]-- ))
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# shellcheck disable=SC2154
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(( ANTIFL_ACTUALS["${CHAT[ID]}","${USER[ID]}","file"]-- ))
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else
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# shellcheck disable=SC2154
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(( ANTIFL_ACTUALS["${CHAT[ID]}","${USER[ID]}"]++ ))
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fi
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fi
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# count user chat flood
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if [ "$1" = "file" ]; then
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# shellcheck disable=SC2154
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(( ANTIFL_ACTUALS["${CHAT[ID]}","${USER[ID]}","file"]++ ))
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# shellcheck disable=SC2154
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(( ANTIFL_ACTUALS["${CHAT[ID]}","file"]++ ))
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antiFlood_action & # do actions in subshell
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fi
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}
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# check and handle actions
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antiFlood_action() {
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# check flood level of user
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if [ "$(( ANTIFL_ACTUALS["${CHAT[ID]}","${USER[ID]}","file"] +1))" -gt "${ANTIFL_CHATS["${CHAT[ID]}","level"]}" ]; then
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if [ "${ANTIFL_CHATS["${CHAT[ID]}","active"]}" = "yes" ]; then
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# remove message
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delete_message "${CHAT[ID]}" "${MESSAGE[ID]}"
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else
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# inform admin
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send_markdown_message "${ANTIFL_ADMIN}" "User ${USER[USERNAME]} reached flood level in chat ${CHAT[USERNAME]}!"
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fi
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fi
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# check flood level of chat
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if [ "$(( ANTIFL_ACTUALS["${CHAT[ID]}","file"] +1))" -gt "$(( ANTIFL_CHATS["${CHAT[ID]}","level"] * ANTIFL_BAN ))" ]; then
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if [ "${ANTIFL_CHATS["${CHAT[ID]}","active"]}" = "yes" ]; then
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# remove message
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delete_message "${CHAT[ID]}" "${MESSAGE[ID]}"
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else
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# inform admin
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send_markdown_message "${ANTIFL_ADMIN}" "Chat ${CHAT[USERNAME]} reached max flood level!"
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fi
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fi
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}
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fi
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