Bash script to update T-Mobile Router Config

#!/bin/bash

# Function to get authentication token
token() {
    read -sp "Enter Password For The Gateway: " password
    body="{\"username\": \"admin\", \"password\": \"$password\"}"
    token=$(curl -s -X POST -H "Content-Type: application/json" -d "$body" "http://192.168.12.1/TMI/v1/auth/login" | jq -r '.auth.token')
    echo "token: $token"
    HEADER="Authorization: Bearer $token"
}

# Function to display the menu
show_menu() {
    clear
    echo "Options for Gateway:"
    echo "1: Turn Off 2.4G WiFi"
    echo "2: Turn On 2.4G WiFi"
    echo "3: Turn Off 5G WiFi"
    echo "4: Turn On 5G WiFi"
    echo "5: Reboot Gateway"
    echo "6: Download Config to Verify Changes"
    echo "7: Update Config"
    echo "Q: Quit"
}

# Function to turn off 2.4G WiFi
wifi_off_24() {
    echo "Turning off 2.4G WiFi..."
    echo "$HEADER"
    curl -s -H "$HEADER" "http://192.168.12.1/TMI/v1/network/configuration/v2?get=ap" -o config.json
    sed -i 's/"2.4ghz":{"isRadioEnabled":true}/"2.4ghz":{"isRadioEnabled":false}/' config.json
    curl -s -X POST -H "$HEADER" -H "Content-Type: application/json" -d @config.json "http://192.168.12.1/TMI/v1/network/configuration/v2?set=ap"
}

# Function to turn on 2.4G WiFi
wifi_on_24() {
    echo "$HEADER"
    curl -s -H "$HEADER" "http://192.168.12.1/TMI/v1/network/configuration/v2?get=ap" -o config.json
    sed -i 's/"2.4ghz":{"isRadioEnabled":false}/"2.4ghz":{"isRadioEnabled":true}/' config.json
    curl -s -X POST -H "$HEADER" -H "Content-Type: application/json" -d @config.json "http://192.168.12.1/TMI/v1/network/configuration/v2?set=ap"
}

# Function to turn off 5G WiFi
wifi_off_5() {
    echo "$HEADER"
    curl -s -H "$HEADER" "http://192.168.12.1/TMI/v1/network/configuration/v2?get=ap" -o config.json
    sed -i 's/"5.0ghz":{"isRadioEnabled":true}/"5.0ghz":{"isRadioEnabled":false}/' config.json
    curl -s -X POST -H "$HEADER" -H "Content-Type: application/json" -d @config.json "http://192.168.12.1/TMI/v1/network/configuration/v2?set=ap"
}

# Function to turn on 5G WiFi
wifi_on_5() {
    curl -s -H "$HEADER" "http://192.168.12.1/TMI/v1/network/configuration/v2?get=ap" -o config.json
    sed -i 's/"5.0ghz":{"isRadioEnabled":false}/"5.0ghz":{"isRadioEnabled":true}/' config.json
    curl -s -X POST -H "$HEADER" -H "Content-Type: application/json" -d @config.json "http://192.168.12.1/TMI/v1/network/configuration/v2?set=ap"
}

# Function to download the current configuration
config() {
    curl -s -H "$HEADER" "http://192.168.12.1/TMI/v1/network/configuration/v2?get=ap" -o config.json
}

update_config() {
    curl -s -X POST -H "$HEADER" -H "Content-Type: application/json" -d @config_custom.json "http://192.168.12.1/TMI/v1/network/configuration/v2?set=ap"
}

# Function to reboot the gateway
reboot() {
    curl -s -X POST -H "$HEADER" "http://192.168.12.1/TMI/v1/gateway/reset?set=reboot"
}

# Main function to control menu and actions
menu() {
    show_menu
    read -p "Please make a selection: " choice
    case "$choice" in
        1) echo "Turning off 2.4G WiFi..."
           wifi_off_24
           ;;
        2) echo "Turning on 2.4G WiFi..."
           wifi_on_24
           ;;
        3) echo "Turning off 5G WiFi..."
           wifi_off_5
           ;;
        4) echo "Turning on 5G WiFi..."
           wifi_on_5
           ;;
        5) echo "Rebooting Gateway..."
           reboot
           ;;
        6) echo "Downloading config..."
           config
           ;;
        7) echo "Updating config..."
              update_config
              ;;
        "Q"|"q") echo "Quitting..."
           exit 0
           ;;
        *) echo "Invalid option. Please try again."
           ;;
    esac
    echo "Returning to Menu"
    sleep 2
    menu
}

# Initialize script by obtaining token and showing menu
token
menu