Get-WifiPassword.psm1

<#
.SYNOPSIS
    Function to get wifi password
.DESCRIPTION
    Prints password to the console
.PARAMETER WifiName
    Determine the name of the Wi-Fi
.EXAMPLE
    PS> Get-WifiPassword
.EXAMPLE
    PS> Get-WifiPassword -name WIFINAME
.NOTES
    Filename: Get-WifiPassword.psm1
    Author: Jacquin Moon
    Email: jacquindev@outlook.com
    Date: January 6th, 2025
#>

function Get-WifiPassword {
    [alias('wifipass')]
    param ([Alias('n', 'name')][string]$WifiName)

    if (!$WifiName) {
        $wifiList = netsh wlan show profiles | Select-String -Pattern "All User Profile\s+:\s+(.*)" | ForEach-Object { $_.Matches.Groups[1].Value }

        if (Get-Command gum -ErrorAction SilentlyContinue) {
            $WifiName = gum choose --header="Choose an available Wi-Fi name:" $wifiList
        }

        elseif (Get-Command fzf -ErrorAction SilentlyContinue) {
            $WifiName = $wifiList | fzf --prompt="Select Wi-Fi >  " --height=~80% --layout=reverse --border --exit-0 --cycle --margin="2,40" --padding=1
        }

        else {
            for ($i = 0; $i -lt $wifiList.Count; $i++) {
                Write-Host "[$i] $($wifiList[$i])"
            }
            $index = $(Write-Host "Enter the corresponding number of Wi-Fi name: " -ForegroundColor Magenta -NoNewline; Read-Host)
            if ($null -ne $index) {
                if ($index -match '^\d+$' -and [int]$index -lt $wifiList.Count) {
                    $WifiName = $wifiList[$index]
                } else { return }
            }
        }
    }

    $WifiPassword = netsh wlan show profile name="$WifiName" key=clear | Select-String -Pattern "Key Content\s+:\s+(.+)" | ForEach-Object { $_.Matches.Groups[1].Value }

    if (!$WifiPassword) { Write-Warning "No password available for Wi-Fi $WifiName"; return }
    else {
        Write-Verbose "Prints password for Wi-Fi $WifiName"
        Write-Output $WifiPassword
    }
}

Export-ModuleMember -Function Get-WifiPassword -Alias wifipass