cptn

#!/bin/bash

# This is Captain Slack 
# Born in: https://github.com/rizitis/captain-slack 20/10/2024 first from a Human Brain with help of ChatGPT
# 
# This is free and unencumbered software released into the public domain.

# Anyone is free to copy, modify, publish, use, compile, sell, or
# distribute this software, either in source code form or as a compiled
# binary, for any purpose, commercial or non-commercial, and by any
# means.

# In jurisdictions that recognize copyright laws, the author or authors
# of this software dedicate any and all copyright interest in the
# software to the public domain. We make this dedication for the benefit
# of the public at large and to the detriment of our heirs and
# successors. We intend this dedication to be an overt act of
# relinquishment in perpetuity of all present and future rights to this
# software under copyright law.

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.

# For more info-librmation, please refer to <https://unlicense.org>

# =================== #
# Also many thanks to:
# =================== #

# 1. @ethelack for rcstatuss script: https://www.linuxquestions.org/questions/slackware-14/how-can-i-check-the-system-running-servs-534612/page2.html

# 2. @Petri Kaukasoina for ldtree script: https://www.linuxquestions.org/questions/slackware-14/requests-for-current-next-15-0-15-1-a-4175706801/page294.html#post6499776


# https://patorjk.com/software/taag/#p=display&c=fortran&w=%20&f=DiamFont&t=Captain%20Slack%20 #

echo -e "\e[1;34m"
cat << "EOF"


!   ▗▄▄▖▗▞▀▜▌▄▄▄▄     ■  ▗▞▀▜▌▄ ▄▄▄▄       ▗▄▄▖█ ▗▞▀▜▌▗▞▀▘█  ▄     
!  ▐▌   ▝▚▄▟▌█   █ ▗▄▟▙▄▖▝▚▄▟▌▄ █   █     ▐▌   █ ▝▚▄▟▌▝▚▄▖█▄▀      
!  ▐▌        █▄▄▄▀   ▐▌       █ █   █      ▝▀▚▖█          █ ▀▄     
!  ▝▚▄▄▖     █       ▐▌       █           ▗▄▄▞▘█          █  █     
!            ▀       ▐▌                                            
!                                                                  
!                                                                  

EOF
echo -e "\e[0m"
echo -e "${RESET}"



# Try to source the configuration file ini and see if it works
CONFIG_FILE=/etc/captain-slack/cptn-main.ini

# Parse the config file and export variables ;)
function source_config() {
    local section=""
    while IFS="=" read -r key value; do
        if [[ $key =~ ^\[(.*)\]$ ]]; then
            section="${BASH_REMATCH[1]}"
        elif [[ -n $key && -n $value && $key != ";"* && $section != "" ]]; then
            key=$(echo "$key" | xargs)  # Trim whitespace
            value=$(echo "$value" | xargs)  # Trim whitespace
            value=$(eval echo "$value")  # Resolve variables like $APP_HOME
            export "$key"="$value"  # Export as environment variable
            #echo "$key = $value"  # Automatically echo the key-value pair for testing not need in real.. 
        fi
    done < "$CONFIG_FILE"
}

# Call the function to source the config
source_config

mkdir -p /var/log/captain-slack || exit 9
DATE="$(date)"


# Function to execute commands
execute_command() {
    echo "Executing: $1"
    eval "$1"
}

# Check if at least one argument is provided
if [ "$#" -lt 1 ]; then
    echo "Usage: $0 <command> [<package>] [-a] [-p] [-l] [-v] [-1] [-2] ... [-9]"
    echo "Commands: mirrors, show-servs, restart-serv, serv-status, make-db, info, weather, open-pkgs, open-libs, open-logs, clear-logs"
    exit 1
fi


# Main command (install, upgrade, remove, etc.)
command="$1"
if [ "$1" == info ]; then
package="$2"
else
# Shift to check if the second argument is a package or flag
shift

# Initialize variables for package and flags
package=""
flag_a=false
flag_p=false
flag_l=false
flag_v=false
number_flag=""
fi
# Check if $command is not one of the invalid commands
if [[ "$1" != -* && "$1" != "" && "$command" != "mirrors" && "$command" != "show-servs" && "$command" != "restart-serv" && "$command" != "serv-status" && "$command" != "make-db" && "$command" != "info" && "$command" != "weather" && "$command" != "open-pkgs" && "$command" != "open-libs" && "$command" != "first-run" && "$command" != "clear-logs" ]]; then
    package="$1"
    shift
fi

# Parse optional flags: -a, -b, -v for non slack-package managers. I mean not needed for cptn exaclty but maybe in future... 
while getopts "aplv123456789" opt; do
    case ${opt} in
        a )
            flag_a=true
            ;;
        p )
            flag_p=true
            ;;
        l )
            flag_l=true
            ;;
        v )
            flag_v=true
            ;;
        [1-9] )
            number_flag=$opt
            ;;
        \? )
            echo "Invalid option: -$OPTARG"
            echo "Usage: $0 [-a] [-p] [-l] [-v] [-1] [-2] ... [-9]"
            exit 1
            ;;
    esac
done

# Example flag behavior after parsing
if [ "$flag_a" = true ]; then
    echo "Flag -a (all) is set."
fi

if [ "$flag_p" = true ]; then
    echo "Flag -p (packages) is set."
fi

if [ "$flag_l" = true ]; then
    echo "Flag -l (libraries) is set."
fi
if [ "$flag_v" = true ]; then
    echo "Flag [-v] validate mode enabled."
fi

if [ ! -z "$number_flag" ]; then
    echo "Number flag -$number_flag is set."
fi

# Handle the main commands
case "$command" in
    info)
    package="$2"
    echo "$package..."
        source "$APP_SERV/islib_installed.sh" "$package"
        source "$APP_SERV/ispkg_installed.sh" "$package"
        source "$APP_SERV/print_bins.sh" "$package"
        grep --color=always -rwF "$package" "$APP_SERV"/permissions_report.txt
        ;;

    serv-status)
    # Check if the script is being run as root
    if [ "$EUID" -ne 0 ]; then
        echo "Please run as root!"
        exit 1
    fi
       package=$1
       if [ -z "$package" ]; then
            echo "Error: 'serv-status' command requires a rc.serv_name"
            exit 1
        fi
         bash "/etc/rc.d/$package" status
        ;;

    make-db)
    # Check if the script is being run as root
    if [ "$EUID" -ne 0 ]; then
      echo "Please run as root!"
      exit 1
    fi
        echo "Creating DataBase"
        if [ "$flag_a" = true ]; then
        echo "Creating DataBase for all installed Libraries, Packages and ldd executables in $PATH"
            sleep 2
            execute_command "bash $APP_SERV/find_bins.sh"
            execute_command "bash $APP_SERV/export-installed.sh"
            execute_command "bash $APP_SERV/create_db.sh"
            execute_command "bash $APP_SERV/export-tags.sh"
            execute_command "bash $APP_SERV/validate-tags.sh"
            execute_command "bash $APP_SERV/ldd-explorer.sh"
            execute_command "bash $APP_SERV/create_libs_yaml.sh"
            find /bin /sbin /usr/bin /usr/sbin /usr/local/bin /opt -type f -exec ls -l {} \; > $APP_SERV/permissions_report.txt
        elif
            [ "$flag_p" = true ]; then
        echo "Creating DataBase for all installed Packages, it ldd executables in $PATH but not for Libraries."
            sleep 2
            execute_command "bash $APP_SERV/find_bins.sh"
            execute_command "bash $APP_SERV/export-installed.sh"
            execute_command "bash $APP_SERV/create_db.sh"
            execute_command "bash $APP_SERV/export-tags.sh"
            execute_command "bash $APP_SERV/validate-tags.sh"
            find /bin /sbin /usr/bin /usr/sbin /usr/local/bin /opt -type f -exec ls -l {} \; > $APP_SERV/permissions_report.txt
        elif
            [ "$flag_l" = true ]; then
        echo "Creating DataBase for all installed Libraries only."
            sleep 2
            execute_command "bash $APP_SERV/ldd-explorer.sh"
            execute_command "bash $APP_SERV/create_libs_yaml.sh"
        elif
            [ "$flag_v" = true ]; then
        echo "Creating DataBase for all installed packages and libraries BUT NOT ldd executables in $PATH"
            sleep 2
            execute_command "bash $APP_SERV/export-installed.sh"
            execute_command "bash $APP_SERV/create_db.sh"
            execute_command "bash $APP_SERV/export-tags.sh"
            execute_command "bash $APP_SERV/validate-tags.sh"
            execute_command "bash $APP_SERV/ldd-explorer.sh"
            execute_command "bash $APP_SERV/create_libs_yaml.sh"
            find /bin /sbin /usr/bin /usr/sbin /usr/local/bin /opt -type f -exec ls -l {} \; > $APP_SERV/permissions_report.txt
        else
        echo "Error: Invalid command: $command"
        echo "Usage: $0 make-db [-a] [-p] [-l]"
        exit 1
        fi
        ;;
        
    weather)
        execute_command "curl wttr.in"
        ;;
        
    restart-serv)
    # Check if the script is being run as root
    if [ "$EUID" -ne 0 ]; then
    echo "Please run as root!"
    exit 1
    fi
        execute_command "bash $APP_SERV/restart-services.sh"
        ;;
        
    show-servs)
    # Check if the script is being run as root
    if [ "$EUID" -ne 0 ]; then
    echo "Please run as root!"
    exit 1
    fi
        execute_command "bash $APP_SERV/rcstatus.sh"
        ;;
        
    mirrors)
    # Check if the script is being run as root
    if [ "$EUID" -ne 0 ]; then
    echo "Please run as root!"
    exit 1
    fi
        number_flag="$1"
        echo "Search for fast Slackware mirrors"
            source "$APP_SERV/show-mirrors.sh" "$number_flag"
        ;;

    open-libs)
            execute_command "xdg-open $PKG_DB/libraries_dependencies.yaml"
        ;;

    open-pkgs)
            execute_command "xdg-open $PKG_DB/packages.yaml"
        ;;

    open-logs)
            execute_command "xdg-open $CPTN_LOGS"
        ;;

    first-run)
    # This is for debug usage. It not touching something in system, we only see if source_config function can read $CONFIG_FILE properly.
            execute_command "bash $APP_SERV/first-ran.sh"
        ;;

    clear-logs)
    # Check if the script is being run as root
    if [ "$EUID" -ne 0 ]; then
    echo "Please run as root!"
    exit 1
    fi
            rm "$CPTN_LOGS"/*.log || exit
            echo "Success. Clear all log files from $CPTN_LOGS"
        ;;
        
    *)
        echo "Invalid command: $command"
        echo "Usage: cptn <command> [<package>] [-a] [-p] [-l] [-v] [-1] [-2] ... [-9]"
        echo "Commands: mirrors, show-servs, restart-serv, serv-status, make-db, info, weather, open-pkgs, open-libs, first-run, open-logs, clear-logs"
        exit 1
        ;;
esac