diff options
Diffstat (limited to 'MediaBrowser.Common.Implementations/Networking/BaseNetworkManager.cs')
| -rw-r--r-- | MediaBrowser.Common.Implementations/Networking/BaseNetworkManager.cs | 385 |
1 files changed, 0 insertions, 385 deletions
diff --git a/MediaBrowser.Common.Implementations/Networking/BaseNetworkManager.cs b/MediaBrowser.Common.Implementations/Networking/BaseNetworkManager.cs deleted file mode 100644 index 5e00514d5..000000000 --- a/MediaBrowser.Common.Implementations/Networking/BaseNetworkManager.cs +++ /dev/null @@ -1,385 +0,0 @@ -using MediaBrowser.Model.Logging; -using System; -using System.Collections.Generic; -using System.Globalization; -using System.Linq; -using System.Net; -using System.Net.NetworkInformation; -using System.Net.Sockets; -using MediaBrowser.Model.Extensions; - -namespace MediaBrowser.Common.Implementations.Networking -{ - public abstract class BaseNetworkManager - { - protected ILogger Logger { get; private set; } - private DateTime _lastRefresh; - - protected BaseNetworkManager(ILogger logger) - { - Logger = logger; - } - - private List<IPAddress> _localIpAddresses; - private readonly object _localIpAddressSyncLock = new object(); - - /// <summary> - /// Gets the machine's local ip address - /// </summary> - /// <returns>IPAddress.</returns> - public IEnumerable<IPAddress> GetLocalIpAddresses() - { - const int cacheMinutes = 5; - - lock (_localIpAddressSyncLock) - { - var forceRefresh = (DateTime.UtcNow - _lastRefresh).TotalMinutes >= cacheMinutes; - - if (_localIpAddresses == null || forceRefresh) - { - var addresses = GetLocalIpAddressesInternal().ToList(); - - _localIpAddresses = addresses; - _lastRefresh = DateTime.UtcNow; - - return addresses; - } - } - - return _localIpAddresses; - } - - private IEnumerable<IPAddress> GetLocalIpAddressesInternal() - { - var list = GetIPsDefault() - .ToList(); - - if (list.Count == 0) - { - list.AddRange(GetLocalIpAddressesFallback()); - } - - return list.Where(FilterIpAddress).DistinctBy(i => i.ToString()); - } - - private bool FilterIpAddress(IPAddress address) - { - var addressString = address.ToString (); - - if (addressString.StartsWith("169.", StringComparison.OrdinalIgnoreCase)) - { - return false; - } - - return true; - } - - public bool IsInPrivateAddressSpace(string endpoint) - { - if (string.Equals(endpoint, "::1", StringComparison.OrdinalIgnoreCase)) - { - return true; - } - - // Handle ipv4 mapped to ipv6 - endpoint = endpoint.Replace("::ffff:", string.Empty); - - // Private address space: - // http://en.wikipedia.org/wiki/Private_network - - if (endpoint.StartsWith("172.", StringComparison.OrdinalIgnoreCase)) - { - return Is172AddressPrivate(endpoint); - } - - return - - endpoint.StartsWith("localhost", StringComparison.OrdinalIgnoreCase) || - endpoint.StartsWith("127.", StringComparison.OrdinalIgnoreCase) || - endpoint.StartsWith("10.", StringComparison.OrdinalIgnoreCase) || - endpoint.StartsWith("192.168", StringComparison.OrdinalIgnoreCase) || - endpoint.StartsWith("169.", StringComparison.OrdinalIgnoreCase); - } - - private bool Is172AddressPrivate(string endpoint) - { - for (var i = 16; i <= 31; i++) - { - if (endpoint.StartsWith("172." + i.ToString(CultureInfo.InvariantCulture) + ".", StringComparison.OrdinalIgnoreCase)) - { - return true; - } - } - - return false; - } - - public bool IsInLocalNetwork(string endpoint) - { - return IsInLocalNetworkInternal(endpoint, true); - } - - public bool IsInLocalNetworkInternal(string endpoint, bool resolveHost) - { - if (string.IsNullOrWhiteSpace(endpoint)) - { - throw new ArgumentNullException("endpoint"); - } - - IPAddress address; - if (IPAddress.TryParse(endpoint, out address)) - { - var addressString = address.ToString(); - - int lengthMatch = 100; - if (address.AddressFamily == AddressFamily.InterNetwork) - { - lengthMatch = 4; - if (IsInPrivateAddressSpace(addressString)) - { - return true; - } - } - else if (address.AddressFamily == AddressFamily.InterNetworkV6) - { - lengthMatch = 10; - if (IsInPrivateAddressSpace(endpoint)) - { - return true; - } - } - - // Should be even be doing this with ipv6? - if (addressString.Length >= lengthMatch) - { - var prefix = addressString.Substring(0, lengthMatch); - - if (GetLocalIpAddresses().Any(i => i.ToString().StartsWith(prefix, StringComparison.OrdinalIgnoreCase))) - { - return true; - } - } - } - else if (resolveHost) - { - Uri uri; - if (Uri.TryCreate(endpoint, UriKind.RelativeOrAbsolute, out uri)) - { - try - { - var host = uri.DnsSafeHost; - Logger.Debug("Resolving host {0}", host); - - address = GetIpAddresses(host).FirstOrDefault(); - - if (address != null) - { - Logger.Debug("{0} resolved to {1}", host, address); - - return IsInLocalNetworkInternal(address.ToString(), false); - } - } - catch (InvalidOperationException) - { - // Can happen with reverse proxy or IIS url rewriting - } - catch (Exception ex) - { - Logger.ErrorException("Error resovling hostname", ex); - } - } - } - - return false; - } - - public IEnumerable<IPAddress> GetIpAddresses(string hostName) - { - return Dns.GetHostAddresses(hostName); - } - - private List<IPAddress> GetIPsDefault() - { - NetworkInterface[] interfaces; - - try - { - interfaces = NetworkInterface.GetAllNetworkInterfaces(); - } - catch (Exception ex) - { - Logger.ErrorException("Error in GetAllNetworkInterfaces", ex); - return new List<IPAddress>(); - } - - return interfaces.SelectMany(network => { - - try - { - Logger.Debug("Querying interface: {0}. Type: {1}. Status: {2}", network.Name, network.NetworkInterfaceType, network.OperationalStatus); - - var properties = network.GetIPProperties(); - - return properties.UnicastAddresses - .Where(i => i.IsDnsEligible) - .Select(i => i.Address) - .Where(i => i.AddressFamily == AddressFamily.InterNetwork) - .ToList(); - } - catch (Exception ex) - { - Logger.ErrorException("Error querying network interface", ex); - return new List<IPAddress>(); - } - - }).DistinctBy(i => i.ToString()) - .ToList(); - } - - private IEnumerable<IPAddress> GetLocalIpAddressesFallback() - { - var host = Dns.GetHostEntry(Dns.GetHostName()); - - // Reverse them because the last one is usually the correct one - // It's not fool-proof so ultimately the consumer will have to examine them and decide - return host.AddressList - .Where(i => i.AddressFamily == AddressFamily.InterNetwork) - .Reverse(); - } - - /// <summary> - /// Gets a random port number that is currently available - /// </summary> - /// <returns>System.Int32.</returns> - public int GetRandomUnusedPort() - { - var listener = new TcpListener(IPAddress.Any, 0); - listener.Start(); - var port = ((IPEndPoint)listener.LocalEndpoint).Port; - listener.Stop(); - return port; - } - - /// <summary> - /// Returns MAC Address from first Network Card in Computer - /// </summary> - /// <returns>[string] MAC Address</returns> - public string GetMacAddress() - { - return NetworkInterface.GetAllNetworkInterfaces() - .Where(i => i.NetworkInterfaceType != NetworkInterfaceType.Loopback) - .Select(i => BitConverter.ToString(i.GetPhysicalAddress().GetAddressBytes())) - .FirstOrDefault(); - } - - /// <summary> - /// Parses the specified endpointstring. - /// </summary> - /// <param name="endpointstring">The endpointstring.</param> - /// <returns>IPEndPoint.</returns> - public IPEndPoint Parse(string endpointstring) - { - return Parse(endpointstring, -1); - } - - /// <summary> - /// Parses the specified endpointstring. - /// </summary> - /// <param name="endpointstring">The endpointstring.</param> - /// <param name="defaultport">The defaultport.</param> - /// <returns>IPEndPoint.</returns> - /// <exception cref="System.ArgumentException">Endpoint descriptor may not be empty.</exception> - /// <exception cref="System.FormatException"></exception> - private static IPEndPoint Parse(string endpointstring, int defaultport) - { - if (String.IsNullOrEmpty(endpointstring) - || endpointstring.Trim().Length == 0) - { - throw new ArgumentException("Endpoint descriptor may not be empty."); - } - - if (defaultport != -1 && - (defaultport < IPEndPoint.MinPort - || defaultport > IPEndPoint.MaxPort)) - { - throw new ArgumentException(String.Format("Invalid default port '{0}'", defaultport)); - } - - string[] values = endpointstring.Split(new char[] { ':' }); - IPAddress ipaddy; - int port = -1; - - //check if we have an IPv6 or ports - if (values.Length <= 2) // ipv4 or hostname - { - port = values.Length == 1 ? defaultport : GetPort(values[1]); - - //try to use the address as IPv4, otherwise get hostname - if (!IPAddress.TryParse(values[0], out ipaddy)) - ipaddy = GetIPfromHost(values[0]); - } - else if (values.Length > 2) //ipv6 - { - //could [a:b:c]:d - if (values[0].StartsWith("[") && values[values.Length - 2].EndsWith("]")) - { - string ipaddressstring = String.Join(":", values.Take(values.Length - 1).ToArray()); - ipaddy = IPAddress.Parse(ipaddressstring); - port = GetPort(values[values.Length - 1]); - } - else //[a:b:c] or a:b:c - { - ipaddy = IPAddress.Parse(endpointstring); - port = defaultport; - } - } - else - { - throw new FormatException(String.Format("Invalid endpoint ipaddress '{0}'", endpointstring)); - } - - if (port == -1) - throw new ArgumentException(String.Format("No port specified: '{0}'", endpointstring)); - - return new IPEndPoint(ipaddy, port); - } - - protected static readonly CultureInfo UsCulture = new CultureInfo("en-US"); - - /// <summary> - /// Gets the port. - /// </summary> - /// <param name="p">The p.</param> - /// <returns>System.Int32.</returns> - /// <exception cref="System.FormatException"></exception> - private static int GetPort(string p) - { - int port; - - if (!Int32.TryParse(p, out port) - || port < IPEndPoint.MinPort - || port > IPEndPoint.MaxPort) - { - throw new FormatException(String.Format("Invalid end point port '{0}'", p)); - } - - return port; - } - - /// <summary> - /// Gets the I pfrom host. - /// </summary> - /// <param name="p">The p.</param> - /// <returns>IPAddress.</returns> - /// <exception cref="System.ArgumentException"></exception> - private static IPAddress GetIPfromHost(string p) - { - var hosts = Dns.GetHostAddresses(p); - - if (hosts == null || hosts.Length == 0) - throw new ArgumentException(String.Format("Host not found: {0}", p)); - - return hosts[0]; - } - } -} |