
func currentSSID()-> String {
guard let wifiInterfaces = CNCopySupportedInterfaces() else { return nil }
let interfaceArr = CFBridgingRetain(wifiInterfaces) as! Array
if interfaceArr.count > 0 {
let interfaceName = interfaceArr[0] as CFString
let ussafeInterfaceData = CNCopyCurrentNetworkInfo(interfaceName)
if (ussafeInterfaceData != nil) {
let interfaceData = ussafeInterfaceData as! Dictionary
return interfaceData["SSID"] as? String
}
}
return nil
};
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