代理检测

ProxyUtils.kt

/**
 * 是否使用代理(WiFi状态下的,避免被抓包)
 */
fun isWifiProxy(context: Context?): Boolean {
    val isIcsOrLater = Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH
    val proxyAddress: String
    val proxyPort: Int
    if (isIcsOrLater) {
        proxyAddress = System.getProperty("http.proxyHost")
        val portstr = System.getProperty("http.proxyPort")
        proxyPort = Integer.parseInt(portstr ?: "-1")
        println("$proxyAddress~")
        println("port = $proxyPort")
    } else {
        proxyAddress = if (null != context) android.net.Proxy.getHost(context) else ""
        proxyPort = if (null != context) android.net.Proxy.getPort(context) else -1
        Log.e("address = ", "$proxyAddress~")
        Log.e("port = ", "$proxyPort~")
    }
    return !TextUtils.isEmpty(proxyAddress) && proxyPort != -1
}

/**
 * 是否正在使用VPN
 */
fun isVpnUsed(): Boolean {
    try {
        val niList = NetworkInterface.getNetworkInterfaces()
        if (niList != null) {
            for (intf in Collections.list(niList)) {
                if (!intf.isUp || intf.interfaceAddresses.size === 0) {
                    continue
                }
                Log.d("-----", "isVpnUsed() NetworkInterface Name: " + intf.getName())
                if ("tun0" == intf.name || "ppp0" == intf.name) {
                    return true // The VPN is up
                }
            }
        }
    } catch (e: Throwable) {
        e.printStackTrace()
    }

    return false
}