install_ftprush.sh

#!/bin/bash

# This script handles the installation and uninstallation of FTPRush on Linux systems
# It provides a user-friendly interface for managing the FTPRush application

# Change directory to root to ensure correct paths and permissions
# This is important for maintaining consistent paths across the installation process
cd / || { echo "Failed to navigate to root directory. Exiting."; exit 1; }

# Configuration variables for the installation
# These define the core paths and URLs needed throughout the script
DOWNLOAD_URL="https://www.wftpserver.com/download/FTPRush_linux.tar.bz2"
INSTALL_DIR="/opt/FTPRush"               # Main installation directory
DESKTOP_ENTRY="/usr/share/applications/ftprush.desktop"  # System-wide desktop shortcut
EXEC_PATH="$INSTALL_DIR/ftprush"         # Executable path
TAR_FILE="/tmp/FTPRush_linux.tar.bz2"    # Temporary download location
ICON_URL="https://www.wftpserver.com/images/ftprush_app_logo.png"
ICON_FILE="$INSTALL_DIR/ftprush.png"     # Local icon storage

# Function to download the application icon
# This ensures the application has proper visual representation in desktop environments
download_icon() {
    echo "Downloading icon..."
    wget -O "$ICON_FILE" "$ICON_URL" || { echo "Icon download failed! Skipping."; }
}

# Main installation function
# Handles the complete installation process including:
# - Checking for existing installations
# - Downloading and extracting the application
# - Setting up desktop integration
install_ftprush() {
    echo "Installing FTPRush..."

    # Check for and handle existing installation
    # Removes previous installation to ensure clean setup
    if [ -d "$INSTALL_DIR" ]; then
        echo "FTPRush is already installed. Removing existing installation..."
        sudo rm -rf "$INSTALL_DIR"
        sudo rm "$DESKTOP_ENTRY"
    fi

    # Smart handling of existing download file
    # Gives users the option to reuse previously downloaded files
    if [ -f "$TAR_FILE" ]; then
        echo "Existing FTPRush tarball found. Use it? (y/N)"
        read -p "Enter your choice: " use_existing

        if [[ "$use_existing" == "y" || "$use_existing" == "Y" ]]; then
            echo "Using existing tarball..."
        else
            echo "Downloading FTPRush..."
            wget -O "$TAR_FILE" "$DOWNLOAD_URL" || { echo "Download failed! Exiting."; exit 1; }
        fi
    else
        echo "Downloading FTPRush..."
        wget -O "$TAR_FILE" "$DOWNLOAD_URL" || { echo "Download failed! Exiting."; exit 1; }
    fi

    # Extract to /opt/FTPRush
    echo "Extracting FTPRush to $INSTALL_DIR..."
    sudo mkdir -p "$INSTALL_DIR"
    if ! sudo tar -xjf "$TAR_FILE" -C "$INSTALL_DIR" --strip-components=1; then
        echo "Extraction failed. Please check permissions and try again."
        exit 1
    fi

    # Set executable permissions for the FTPRush binary
    echo "Setting executable permissions for $EXEC_PATH..."
    sudo chmod +x "$EXEC_PATH"

    # Download icon
    download_icon

    # Desktop integration setup
    # Creates a standard-compliant .desktop file for system-wide access
    echo "Creating desktop entry..."
    if ! sudo tee "$DESKTOP_ENTRY" <<EOF > /dev/null
[Desktop Entry]
Version=1.0
Name=FTPRush
Comment=FTP Client for File Transfers
Exec=$EXEC_PATH
Icon=$ICON_FILE
Terminal=false
Type=Application
Categories=Network;FileTransfer;
EOF
    then
        echo "Failed to create desktop entry. Please check permissions."
    else
        sudo chmod +x "$DESKTOP_ENTRY"
        echo "Desktop entry created successfully."
    fi

    echo "FTPRush installation completed successfully!"

    # Prompt user to clean up the downloaded tar file and icon
    echo "Would you like to remove the temporary downloaded files? (y/N)"
    read -p "Enter your choice: " cleanup_choice

    if [[ "$cleanup_choice" == "y" || "$cleanup_choice" == "Y" ]]; then
        echo "Cleaning up temporary files..."
        rm "$TAR_FILE"
        echo "Cleanup completed."
    else
        echo "Temporary files retained in $TAR_FILE."
    fi
}

# Uninstallation function
# Provides clean removal of all FTPRush components from the system
uninstall_ftprush() {
    echo "Uninstalling FTPRush..."
    if [ -d "$INSTALL_DIR" ]; then
        sudo rm -rf "$INSTALL_DIR"
        sudo rm "$DESKTOP_ENTRY"
        echo "FTPRush uninstalled successfully."
    else
        echo "FTPRush is not installed."
    fi
}

# Interactive menu for user operation
# Provides a simple interface for installation/uninstallation choices
echo "Choose an option:"
echo "1. Install FTPRush"
echo "2. Uninstall FTPRush"
read -p "Enter your choice: " choice

case "$choice" in
    1)
        install_ftprush
        ;;
    2)
        uninstall_ftprush
        ;;
    *)
        echo "Invalid choice. Exiting."
        exit 1
        ;;
esac