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#!/bin/bash

#
#
# Automated Roundcube Plugin Monitoring Script
# Script Name: rc-plugin-watcher.sh
#
# Purpose:
# This script monitors selected Roundcube plugins for changes
# and automatically restores them if they are deleted.
#
# Note:
# The script uses inotify to respond to delete events in the
# plugin directories and sends email notifications when plugins are restored.
# The script automatically ensures that the packages "inotify-tools" and "mailutils"
# are installed on your system.
#
# Usage:
# 1. Define the "notification_email" variable as the
#    email address for notifications.
# 2. Set up the script as a @reboot cron job to run it automatically after a reboot.
#    Add the following line to your crontab file (using crontab -e):
#    @reboot /bin/bash /path/to/script/rc-plugin-watcher.sh
# 3. Add plugin information (Name and URL) to the "plugins"
#    associative array to monitor different plugins.
#
# Log File:
# The script writes its activities to a log file. The log file
# is located at: /var/log/rc-plugin-watcher.log
#
# Example of Plugin Definition:
# declare -A plugins=(
#     ["plugin_name"]="https://github.com/plugin_author/plugin_repo/archive/refs/heads/master.zip"
#     # Add more plugins here
# )
#
# Author: Jolinar
#

# Checking user privileges
if [[ $EUID -ne 0 ]]; then
    exit 1
fi

# Email address for notifications
notification_email="your@email.tld"

# Determining the server name
server_name=$(hostname)

# Path to the log file
logfile="/var/log/rc-plugin-watcher.log"

# Function to check and install packages if not present
check_and_install_packages() {
    local packages=("inotify-tools" "mailutils")

    for package in "${packages[@]}"; do
        if ! dpkg -l | grep -q "^ii\s*$package"; then
            apt-get -y install -q "$package" >/dev/null 2>&1
            echo "$(date '+%Y-%m-%d %H:%M:%S') - Package $package was installed." >> "$logfile"
        fi
    done
}

# Checking and possibly installing the packages
check_and_install_packages

# Creating the log file if not present
touch "$logfile"

# Directories
workdir="/usr/src/workdir"
plugindir="/home/keyhelp/www/roundcube/plugins"

# List of desired plugins and their URLs
declare -A plugins=(
    ["twofactor_gauthenticator"]="https://github.com/alexandregz/twofactor_gauthenticator/archive/refs/heads/master.zip"
    # Add more plugins here
)

# Function to download and install a plugin
install_plugin() {
    local plugin_name="$1"
    local plugin_url="${plugins[$plugin_name]}"
    
    if [ ! -d "$plugindir/$plugin_name" ]; then
        mkdir -p "$workdir"
        cd "$workdir" || exit 1
    
        wget -q "$plugin_url" -O plugin.zip
        if [ $? -eq 0 ]; then
            unzip -q plugin.zip
            rm plugin.zip
            mv "$plugin_name"-master "$plugindir/$plugin_name"
            chown -R keyhelp:keyhelp "$plugindir/$plugin_name"
            find "$plugindir/$plugin_name" \( -type d -exec chmod 755 {} + \) -o \( -type f -exec chmod 644 {} + \)
            
            # Using mailutils for email sending
            echo "$(date '+%Y-%m-%d %H:%M:%S') - Roundcube Plugin '$plugin_name' was restored on server '$server_name'." >> "$logfile"
            echo "Roundcube Plugin '$plugin_name' was restored on server '$server_name'." | mail -s "Plugin Restoration on Server $server_name" "$notification_email"
        fi
    fi
}

# Loop through the defined plugins and install them if missing
for plugin_name in "${!plugins[@]}"; do
    if [ ! -d "$plugindir/$plugin_name" ]; then
        install_plugin "$plugin_name"
    fi
done

# Monitoring plugin directories using inotify
while true; do
    event=$(inotifywait -q -e delete "$plugindir")
    plugin_name=$(echo "$event" | awk '{print $3}')
    if [[ -n "${plugins[$plugin_name]}" ]]; then
        install_plugin "$plugin_name"
    fi
done

exit 0

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wget -q https://ngc4594.eu/rc-plugin-watcher.sh

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chmod +x /pfad/zum/script/rc-plugin-watcher.sh

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            sudo apt-get -y install -q "$package" >/dev/null 2>&1

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if [[ $EUID -ne 0 ]]; then

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if [ "$EUID" -ne 0 ]; then

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if [[ -n "${plugins[$plugin_name]}" ]]; then

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if [ -n "${plugins[$plugin_name]}" ]; then

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declare -A plugins=(
    ["twofactor_gauthenticator"]="https://github.com/alexandregz/twofactor_gauthenticator/archive/refs/heads/master.zip"
    # Add more plugins here
)

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plugins[twofactor_gauthenticator]="https://github.com/alexandregz/twofactor_gauthenticator/archive/refs/heads/master.zip"
# Add more plugins here

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dpkg -l |grep bash

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file /bin/bash

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dpkg -l |grep bash

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file /bin/bash