2019-05-27 14:59:39 +00:00
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#!/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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# 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
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# any global variable defined by addons MUST be prefixed by addon name
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ANTIFLOOD_ME="antiflood"
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2019-05-28 18:50:19 +00:00
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declare -Ax ANTIFLOOD_CHATS ANTIFLOOD_ACTUALS
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2019-05-27 14:59:39 +00:00
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ANTIFLOOD_DEFAULT="5" # 5 files per minute
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ANTIFLOOD_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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: # nothing
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fi
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# register on startbot
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if [[ "$1" = "start"* ]]; then
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#load existing chat settings on start
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jssh_readDB "ANTIFLOOD_CHATS" "${ADDONDIR:-./addons}/$ANTIFLOOD_ME"
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# register to CMD
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BASHBOT_EVENT_CMD["${ANTIFLOOD_ME}"]="${ANTIFLOOD_ME}_cmd"
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# command /antiflood starts addon, $1 floodlevel $2 bantime
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antiflood_cmd(){
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case "${CMD[0]}" in
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"/antifl"*)
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ANTIFLOOD_CHATS["${CHAT[ID]}","level"]="${ANTIFLOOD_DEFAULT}"
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ANTIFLOOD_CHATS["${CHAT[ID]}","ban"]="${ANTIFLOOD_BAN}"
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[[ "${CMD[1]}" =~ ^[0-9]+$ ]] && ANTIFLOOD_CHATS["${CHAT[ID]}","level"]="${CMD[1]}"
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[[ "${CMD[2]}" =~ ^[0-9]+$ ]] && ANTIFLOOD_CHATS["${CHAT[ID]}","ban"]="${CMD[2]}"
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# antiflood_save &
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;;
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esac
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}
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# register to inline and command
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BASHBOT_EVENT_TEXT["${ANTIFLOOD_ME}"]="${ANTIFLOOD_ME}_multievent"
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BASHBOT_EVENT_FILE["${ANTIFLOOD_ME}"]="${ANTIFLOOD_ME}_multievent"
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antiflood_multievent(){
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# not started
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[ "${ANTIFLOOD_CHATS["${CHAT[ID]}","level"]}" = "" ] && return
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# count flood messages
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[ "$1" = "text" ] && [ "${#MESSAGE[0]}" -lt "5" ] && (( ANTIFLOOD_ACTUALS["${CHAT[ID]}","${USER[ID]}"] += 1 ))
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# shellcheck disable=SC2154
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[ "$1" = "file" ] && (( ANTIFLOOD_ACTUALS["${CHAT[ID]}","${USER[ID]}","file"] += 1 ))
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# antiflood_check &
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}
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fi
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