A modified script for downloading and installing the latest version of RustDesk for macOS

InstallRustDesk.MACOS.sh

#!/bin/bash

# Assign the value random password to the password variable
rustdesk_pw=$(openssl rand -hex 4)

# Provide a link to your script.
# If you use the script to host it on your server and run it through 'curl -sL https://domain.ru/script.sh | bash'
script_url=""

# Get your config string from your Web portal and Fill Below
# Use a reverse Base64 string in the format {"host":"HOSTADDRESS","relay":"","api":"","key":"HOSTKEY"}
rustdesk_cfg="configstring"

################################### Please Do Not Edit Below This Line #########################################

# Root password request for privilege escalation
#[ "$UID" -eq 0 ] || exec sudo bash "$0" "$@"

# Checking if the script is running from root (UID 0)
if [ "$(id -u)" -ne 0 ]; then
    echo "Administrator rights are requested..."
    
    # Checking if the script is running via curl
    if [ "$0" = "bash" ] || [ ! -f "$0" ]; then
        # The trick for macOS is to download the script again into a variable and pass it to sudo bash
        SCRIPT_CONTENT=$(curl -sL "$script_url")
        exec sudo bash -c "$SCRIPT_CONTENT" "$@"
    else
        # If the script is running as a regular local file
        exec sudo bash "$0" "$@"
    fi
fi

# Get the page of the latest RustDesk release and extract the blank version number.
RELEASE_PAGE=$(curl -sL https://github.com/rustdesk/rustdesk/releases/latest)
LATEST_VERSION=$(echo "$RELEASE_PAGE" | grep -Eo "releases/tag/[0-9.]+" | head -n 1 | sed 's|releases/tag/||')

if [ -z "$LATEST_VERSION" ]; then
    echo "Error: The latest version of RustDesk could not be identified from GitHub."
    exit 1
fi

# Checking the currently installed version in macOS
INSTALLED_VERSION=""
IS_NEW_INSTALL="false"
APP_PATH="/Applications/RustDesk.app"

if [ -d "$APP_PATH" ]; then
    INSTALLED_VERSION=$(defaults read "$APP_PATH/Contents/Info.plist" CFBundleShortVersionString 2>/dev/null)
fi

# Comparing the versions
if [ -n "$INSTALLED_VERSION" ]; then
    INSTALLED_VERSION_CLEAN=$(echo "$INSTALLED_VERSION" | grep -Eo "^[0-9.]+")
    
    if [ "$INSTALLED_VERSION_CLEAN" = "$LATEST_VERSION" ]; then
        echo "RustDesk is already installed with the current version ($INSTALLED_VERSION). No update is required."
        exit 0
    else
        echo "The installed RustDesk version of $INSTALLED_VERSION was found. An upgrade to $LATEST_VERSION is available."
    fi
else
    echo "RustDesk is not found in macOS. Starting a clean install of the $LATEST_VERSION version..."
    IS_NEW_INSTALL="true"
fi

# Check the processor architecture and create links
ARCH=$(arch)
if [[ "$ARCH" == 'arm64' ]]; then
    rd_link=$(echo "$RELEASE_PAGE" | grep -Eo "(http|https)://[a-zA-Z0-9./?=_-]*/[0-9.]+/rustdesk.[0-9.]+.aarch64.dmg" | head -n 1)
    dmg_file=$(echo "$rd_link" | grep -Eo "rustdesk.[0-9.]+.aarch64.dmg")
else
    rd_link=$(echo "$RELEASE_PAGE" | grep -Eo "(http|https)://[a-zA-Z0-9./?=_-]*/[0-9.]+/rustdesk.[0-9.]+.x86_64.dmg" | head -n 1)
    dmg_file=$(echo "$rd_link" | grep -Eo "rustdesk.[0-9.]+.x86_64.dmg")
fi

if [ -z "$rd_link" ]; then
    echo "Error: The link to the .dmg file for the $ARCH architecture could not be found."
    exit 1
fi

# Downloading and silent installation of DMG
echo "Downloading a file $dmg_file..."
curl -L "$rd_link" --output "$dmg_file"

echo "Mounting the image and installing it..."
# Mount the dmg and get the name of the mount point.
MOUNT_DIR=$(hdiutil attach "$dmg_file" -nobrowse -plist | grep -A1 'mount-point' | grep -o '/Volumes/[^<]*')

if [ -n "$MOUNT_DIR" ]; then
    # Copy the application to the system directory (with replacement if this is an update)
    cp -R "$MOUNT_DIR/RustDesk.app" /Applications/
    
    # Unmount the image
    hdiutil detach "$MOUNT_DIR" -quiet
else
    echo "Failed to mount the RustDesk DMG. Installation aborted."
    rm -f "$dmg_file"
    exit 1
fi

# Deleting the downloaded installer
rm -f "$dmg_file"

# Kill all processes named RustDesk
rdpid=$(pgrep RustDesk)
kill $rdpid &> /dev/null

# Run the rustdesk command with --get-id and store the output in the rustdesk_id variable
cd /Applications/RustDesk.app/Contents/MacOS/
rustdesk_id=$(./RustDesk --get-id)

# Apply new password to RustDesk if set_rustdesk_pw=true
if [ "$IS_NEW_INSTALL" = "true" ]; then
    ./RustDesk --server &
    /Applications/RustDesk.app/Contents/MacOS/RustDesk --password $rustdesk_pw &> /dev/null
fi
/Applications/RustDesk.app/Contents/MacOS/RustDesk --config $rustdesk_cfg

# Kill all processes named RustDesk
rdpid=$(pgrep RustDesk)
kill $rdpid &> /dev/null

echo "..............................................."
# Check if the rustdesk_id is not empty
if [ -n "$rustdesk_id" ]; then
    echo "RustDesk ID: $rustdesk_id"
else
    echo "Failed to get RustDesk ID."
fi

if [ "$IS_NEW_INSTALL" = "true" ]; then
    echo "Password: $rustdesk_pw"
else
    echo "RustDesk has been successfully updated. The previous password are saved."
fi
echo "..............................................."

echo "Please complete install on GUI, launching RustDesk now."
open -n /Applications/RustDesk.app