266 lines
9.6 KiB
C#
266 lines
9.6 KiB
C#
using MediaBrowser.Common.Net;
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using MediaBrowser.Model.Net;
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Linq;
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using System.Management;
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using System.Net;
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using System.Net.Sockets;
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using System.Runtime.InteropServices;
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namespace MediaBrowser.Networking.Management
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{
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/// <summary>
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/// Class NetUtils
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/// </summary>
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public class NetworkManager : INetworkManager
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{
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/// <summary>
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/// Gets the machine's local ip address
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/// </summary>
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/// <returns>IPAddress.</returns>
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public string GetLocalIpAddress()
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{
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var host = Dns.GetHostEntry(Dns.GetHostName());
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var ip = host.AddressList.FirstOrDefault(i => i.AddressFamily == AddressFamily.InterNetwork);
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if (ip == null)
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{
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return null;
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}
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return ip.ToString();
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}
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/// <summary>
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/// Gets a random port number that is currently available
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/// </summary>
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/// <returns>System.Int32.</returns>
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public int GetRandomUnusedPort()
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{
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var listener = new TcpListener(IPAddress.Any, 0);
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listener.Start();
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var port = ((IPEndPoint)listener.LocalEndpoint).Port;
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listener.Stop();
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return port;
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}
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/// <summary>
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/// Creates the netsh URL registration.
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/// </summary>
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public void AuthorizeHttpListening(string url)
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{
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var startInfo = new ProcessStartInfo
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{
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FileName = "netsh",
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Arguments = string.Format("http add urlacl url={0} user=\"NT AUTHORITY\\Authenticated Users\"", url),
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CreateNoWindow = true,
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WindowStyle = ProcessWindowStyle.Hidden,
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Verb = "runas",
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ErrorDialog = false
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};
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using (var process = Process.Start(startInfo))
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{
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process.WaitForExit();
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}
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}
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/// <summary>
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/// Adds the windows firewall rule.
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/// </summary>
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/// <param name="port">The port.</param>
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/// <param name="protocol">The protocol.</param>
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public void AddSystemFirewallRule(int port, NetworkProtocol protocol)
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{
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// First try to remove it so we don't end up creating duplicates
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RemoveSystemFirewallRule(port, protocol);
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var args = string.Format("advfirewall firewall add rule name=\"Port {0}\" dir=in action=allow protocol={1} localport={0}", port, protocol);
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RunNetsh(args);
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}
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/// <summary>
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/// Removes the windows firewall rule.
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/// </summary>
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/// <param name="port">The port.</param>
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/// <param name="protocol">The protocol.</param>
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public void RemoveSystemFirewallRule(int port, NetworkProtocol protocol)
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{
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var args = string.Format("advfirewall firewall delete rule name=\"Port {0}\" protocol={1} localport={0}", port, protocol);
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RunNetsh(args);
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}
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/// <summary>
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/// Runs the netsh.
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/// </summary>
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/// <param name="args">The args.</param>
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private void RunNetsh(string args)
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{
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var startInfo = new ProcessStartInfo
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{
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FileName = "netsh",
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Arguments = args,
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CreateNoWindow = true,
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WindowStyle = ProcessWindowStyle.Hidden,
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Verb = "runas",
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ErrorDialog = false
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};
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using (var process = new Process { StartInfo = startInfo })
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{
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process.Start();
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process.WaitForExit();
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}
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}
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/// <summary>
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/// Returns MAC Address from first Network Card in Computer
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/// </summary>
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/// <returns>[string] MAC Address</returns>
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public string GetMacAddress()
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{
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var mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
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var moc = mc.GetInstances();
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var macAddress = String.Empty;
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foreach (ManagementObject mo in moc)
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{
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if (macAddress == String.Empty) // only return MAC Address from first card
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{
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try
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{
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if ((bool)mo["IPEnabled"]) macAddress = mo["MacAddress"].ToString();
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}
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catch
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{
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mo.Dispose();
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return "";
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}
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}
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mo.Dispose();
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}
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return macAddress.Replace(":", "");
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}
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/// <summary>
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/// Uses the DllImport : NetServerEnum with all its required parameters
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/// (see http://msdn.microsoft.com/library/default.asp?url=/library/en-us/netmgmt/netmgmt/netserverenum.asp
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/// for full details or method signature) to retrieve a list of domain SV_TYPE_WORKSTATION
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/// and SV_TYPE_SERVER PC's
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/// </summary>
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/// <returns>Arraylist that represents all the SV_TYPE_WORKSTATION and SV_TYPE_SERVER
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/// PC's in the Domain</returns>
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public IEnumerable<string> GetNetworkDevices()
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{
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//local fields
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const int MAX_PREFERRED_LENGTH = -1;
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var SV_TYPE_WORKSTATION = 1;
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var SV_TYPE_SERVER = 2;
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var buffer = IntPtr.Zero;
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var tmpBuffer = IntPtr.Zero;
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var entriesRead = 0;
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var totalEntries = 0;
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var resHandle = 0;
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var sizeofINFO = Marshal.SizeOf(typeof(_SERVER_INFO_100));
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try
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{
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//call the DllImport : NetServerEnum with all its required parameters
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//see http://msdn.microsoft.com/library/default.asp?url=/library/en-us/netmgmt/netmgmt/netserverenum.asp
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//for full details of method signature
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var ret = NativeMethods.NetServerEnum(null, 100, ref buffer, MAX_PREFERRED_LENGTH, out entriesRead, out totalEntries, SV_TYPE_WORKSTATION | SV_TYPE_SERVER, null, out resHandle);
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//if the returned with a NERR_Success (C++ term), =0 for C#
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if (ret == 0)
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{
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//loop through all SV_TYPE_WORKSTATION and SV_TYPE_SERVER PC's
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for (var i = 0; i < totalEntries; i++)
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{
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//get pointer to, Pointer to the buffer that received the data from
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//the call to NetServerEnum. Must ensure to use correct size of
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//STRUCTURE to ensure correct location in memory is pointed to
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tmpBuffer = new IntPtr((int)buffer + (i * sizeofINFO));
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//Have now got a pointer to the list of SV_TYPE_WORKSTATION and
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//SV_TYPE_SERVER PC's, which is unmanaged memory
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//Needs to Marshal data from an unmanaged block of memory to a
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//managed object, again using STRUCTURE to ensure the correct data
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//is marshalled
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var svrInfo = (_SERVER_INFO_100)Marshal.PtrToStructure(tmpBuffer, typeof(_SERVER_INFO_100));
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//add the PC names to the ArrayList
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if (!string.IsNullOrEmpty(svrInfo.sv100_name))
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{
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yield return svrInfo.sv100_name;
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}
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}
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}
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}
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finally
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{
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//The NetApiBufferFree function frees
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//the memory that the NetApiBufferAllocate function allocates
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NativeMethods.NetApiBufferFree(buffer);
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}
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}
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/// <summary>
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/// Gets the network shares.
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/// </summary>
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/// <param name="path">The path.</param>
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/// <returns>IEnumerable{NetworkShare}.</returns>
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public IEnumerable<NetworkShare> GetNetworkShares(string path)
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{
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return new ShareCollection(path).OfType<Share>().Select(ToNetworkShare);
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}
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/// <summary>
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/// To the network share.
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/// </summary>
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/// <param name="share">The share.</param>
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/// <returns>NetworkShare.</returns>
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private NetworkShare ToNetworkShare(Share share)
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{
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return new NetworkShare
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{
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Name = share.NetName,
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Path = share.Path,
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Remark = share.Remark,
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Server = share.Server,
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ShareType = ToNetworkShareType(share.ShareType)
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};
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}
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/// <summary>
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/// To the type of the network share.
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/// </summary>
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/// <param name="shareType">Type of the share.</param>
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/// <returns>NetworkShareType.</returns>
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/// <exception cref="System.ArgumentException">Unknown share type</exception>
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private NetworkShareType ToNetworkShareType(ShareType shareType)
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{
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switch (shareType)
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{
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case ShareType.Device:
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return NetworkShareType.Device;
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case ShareType.Disk :
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return NetworkShareType.Disk;
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case ShareType.IPC :
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return NetworkShareType.Ipc;
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case ShareType.Printer :
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return NetworkShareType.Printer;
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case ShareType.Special:
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return NetworkShareType.Special;
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default:
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throw new ArgumentException("Unknown share type");
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}
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}
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}
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}
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