Récupère un access_token en clair depuis le Credential Manager Windows

ReadCredentialManagerToken.ps1

Install-Module -Name CredentialManager -Scope CurrentUser

if (-not $args[0]) {
    Write-Error "Usage : ReadCredentialManagerToken.ps1 <NomDuCredential>"
    exit 1
}
# Charge le credential
$credential = Get-StoredCredential -Target $args[0]

# Vérification
if ($credential) {
    # Conversion du SecureString en string clair
    $plainPassword = [Runtime.InteropServices.Marshal]::PtrToStringAuto(
        [Runtime.InteropServices.Marshal]::SecureStringToBSTR($credential.Password)
    )

    Write-Output "Token récupéré : $plainPassword"
} else {
    Write-Output "Aucun identifiant trouvé."
}