a little more consolidation

1 files changed, 377 insertions, 0 deletions

diff --git a/MediaBrowser.Common.Implementations/NetworkManagement/NetworkManager.cs b/MediaBrowser.Common.Implementations/NetworkManagement/NetworkManager.cs
new file mode 100644
index 000000000..51b37944c
--- /dev/null
+++ b/MediaBrowser.Common.Implementations/NetworkManagement/NetworkManager.cs
@@ -0,0 +1,377 @@
+using System.Management;
+using MediaBrowser.Common.Net;
+using MediaBrowser.Model.Net;
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Net;
+using System.Net.Sockets;
+using System.Runtime.InteropServices;
+
+namespace MediaBrowser.Common.Implementations.NetworkManagement
+{
+    /// <summary>
+    /// Class NetUtils
+    /// </summary>
+    public class NetworkManager : INetworkManager
+    {
+        /// <summary>
+        /// Gets the machine's local ip address
+        /// </summary>
+        /// <returns>IPAddress.</returns>
+        public string GetLocalIpAddress()
+        {
+            var host = Dns.GetHostEntry(Dns.GetHostName());
+
+            var ip = host.AddressList.FirstOrDefault(i => i.AddressFamily == AddressFamily.InterNetwork);
+
+            if (ip == null)
+            {
+                return null;
+            }
+
+            return ip.ToString();
+        }
+
+        /// <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>
+        /// Creates the netsh URL registration.
+        /// </summary>
+        public void AuthorizeHttpListening(string url)
+        {
+            var startInfo = new ProcessStartInfo
+            {
+                FileName = "netsh",
+                Arguments = string.Format("http add urlacl url={0} user=\"NT AUTHORITY\\Authenticated Users\"", url),
+                CreateNoWindow = true,
+                WindowStyle = ProcessWindowStyle.Hidden,
+                Verb = "runas",
+                ErrorDialog = false
+            };
+
+            using (var process = Process.Start(startInfo))
+            {
+                process.WaitForExit();
+            }
+        }
+
+        /// <summary>
+        /// Adds the windows firewall rule.
+        /// </summary>
+        /// <param name="port">The port.</param>
+        /// <param name="protocol">The protocol.</param>
+        public void AddSystemFirewallRule(int port, NetworkProtocol protocol)
+        {
+            // First try to remove it so we don't end up creating duplicates
+            RemoveSystemFirewallRule(port, protocol);
+
+            var args = string.Format("advfirewall firewall add rule name=\"Port {0}\" dir=in action=allow protocol={1} localport={0}", port, protocol);
+
+            RunNetsh(args);
+        }
+
+        /// <summary>
+        /// Removes the windows firewall rule.
+        /// </summary>
+        /// <param name="port">The port.</param>
+        /// <param name="protocol">The protocol.</param>
+        public void RemoveSystemFirewallRule(int port, NetworkProtocol protocol)
+        {
+            var args = string.Format("advfirewall firewall delete rule name=\"Port {0}\" protocol={1} localport={0}", port, protocol);
+
+            RunNetsh(args);
+        }
+
+        /// <summary>
+        /// Runs the netsh.
+        /// </summary>
+        /// <param name="args">The args.</param>
+        private void RunNetsh(string args)
+        {
+            var startInfo = new ProcessStartInfo
+            {
+                FileName = "netsh",
+                Arguments = args,
+                CreateNoWindow = true,
+                WindowStyle = ProcessWindowStyle.Hidden,
+                Verb = "runas",
+                ErrorDialog = false
+            };
+
+            using (var process = new Process { StartInfo = startInfo })
+            {
+                process.Start();
+                process.WaitForExit();
+            }
+        }
+
+        /// <summary>
+        /// Returns MAC Address from first Network Card in Computer
+        /// </summary>
+        /// <returns>[string] MAC Address</returns>
+        public string GetMacAddress()
+        {
+            var mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
+            var moc = mc.GetInstances();
+            var macAddress = String.Empty;
+            foreach (ManagementObject mo in moc)
+            {
+                if (macAddress == String.Empty)  // only return MAC Address from first card
+                {
+                    try
+                    {
+                        if ((bool)mo["IPEnabled"]) macAddress = mo["MacAddress"].ToString();
+                    }
+                    catch
+                    {
+                        mo.Dispose();
+                        return "";
+                    }
+                }
+                mo.Dispose();
+            }
+
+            return macAddress.Replace(":", "");
+        }
+
+        /// <summary>
+        /// Uses the DllImport : NetServerEnum with all its required parameters
+        /// (see http://msdn.microsoft.com/library/default.asp?url=/library/en-us/netmgmt/netmgmt/netserverenum.asp
+        /// for full details or method signature) to retrieve a list of domain SV_TYPE_WORKSTATION
+        /// and SV_TYPE_SERVER PC's
+        /// </summary>
+        /// <returns>Arraylist that represents all the SV_TYPE_WORKSTATION and SV_TYPE_SERVER
+        /// PC's in the Domain</returns>
+        public IEnumerable<string> GetNetworkDevices()
+        {
+            //local fields
+            const int MAX_PREFERRED_LENGTH = -1;
+            var SV_TYPE_WORKSTATION = 1;
+            var SV_TYPE_SERVER = 2;
+            var buffer = IntPtr.Zero;
+            var tmpBuffer = IntPtr.Zero;
+            var entriesRead = 0;
+            var totalEntries = 0;
+            var resHandle = 0;
+            var sizeofINFO = Marshal.SizeOf(typeof(_SERVER_INFO_100));
+
+            try
+            {
+                //call the DllImport : NetServerEnum with all its required parameters
+                //see http://msdn.microsoft.com/library/default.asp?url=/library/en-us/netmgmt/netmgmt/netserverenum.asp
+                //for full details of method signature
+                var ret = NativeMethods.NetServerEnum(null, 100, ref buffer, MAX_PREFERRED_LENGTH, out entriesRead, out totalEntries, SV_TYPE_WORKSTATION | SV_TYPE_SERVER, null, out resHandle);
+
+                //if the returned with a NERR_Success (C++ term), =0 for C#
+                if (ret == 0)
+                {
+                    //loop through all SV_TYPE_WORKSTATION and SV_TYPE_SERVER PC's
+                    for (var i = 0; i < totalEntries; i++)
+                    {
+                        //get pointer to, Pointer to the buffer that received the data from
+                        //the call to NetServerEnum. Must ensure to use correct size of 
+                        //STRUCTURE to ensure correct location in memory is pointed to
+                        tmpBuffer = new IntPtr((int)buffer + (i * sizeofINFO));
+                        //Have now got a pointer to the list of SV_TYPE_WORKSTATION and 
+                        //SV_TYPE_SERVER PC's, which is unmanaged memory
+                        //Needs to Marshal data from an unmanaged block of memory to a 
+                        //managed object, again using STRUCTURE to ensure the correct data
+                        //is marshalled 
+                        var svrInfo = (_SERVER_INFO_100)Marshal.PtrToStructure(tmpBuffer, typeof(_SERVER_INFO_100));
+
+                        //add the PC names to the ArrayList
+                        if (!string.IsNullOrEmpty(svrInfo.sv100_name))
+                        {
+                            yield return svrInfo.sv100_name;
+                        }
+                    }
+                }
+            }
+            finally
+            {
+                //The NetApiBufferFree function frees 
+                //the memory that the NetApiBufferAllocate function allocates
+                NativeMethods.NetApiBufferFree(buffer);
+            }
+        }
+
+
+        /// <summary>
+        /// Gets the network shares.
+        /// </summary>
+        /// <param name="path">The path.</param>
+        /// <returns>IEnumerable{NetworkShare}.</returns>
+        public IEnumerable<NetworkShare> GetNetworkShares(string path)
+        {
+            return new ShareCollection(path).OfType<Share>().Select(ToNetworkShare);
+        }
+
+        /// <summary>
+        /// To the network share.
+        /// </summary>
+        /// <param name="share">The share.</param>
+        /// <returns>NetworkShare.</returns>
+        private NetworkShare ToNetworkShare(Share share)
+        {
+            return new NetworkShare
+            {
+                Name = share.NetName,
+                Path = share.Path,
+                Remark = share.Remark,
+                Server = share.Server,
+                ShareType = ToNetworkShareType(share.ShareType)
+            };
+        }
+
+        /// <summary>
+        /// To the type of the network share.
+        /// </summary>
+        /// <param name="shareType">Type of the share.</param>
+        /// <returns>NetworkShareType.</returns>
+        /// <exception cref="System.ArgumentException">Unknown share type</exception>
+        private NetworkShareType ToNetworkShareType(ShareType shareType)
+        {
+            switch (shareType)
+            {
+                case ShareType.Device:
+                    return NetworkShareType.Device;
+                case ShareType.Disk :
+                    return NetworkShareType.Disk;
+                case ShareType.IPC :
+                    return NetworkShareType.Ipc;
+                case ShareType.Printer :
+                    return NetworkShareType.Printer;
+                case ShareType.Special:
+                    return NetworkShareType.Special;
+                default:
+                    throw new ArgumentException("Unknown share type");
+            }
+        }
+
+        /// <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
+            {
+                if (values.Length == 1)
+                    //no port is specified, default
+                    port = defaultport;
+                else
+                    port = 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);
+        }
+
+        /// <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 (!int.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];
+        }
+    }
+
+}