mirror of
https://github.com/Sonarr/Sonarr.git
synced 2024-10-30 23:42:33 +01:00
219 lines
5.3 KiB
C#
219 lines
5.3 KiB
C#
using System;
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using System.Diagnostics;
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using System.Linq;
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using System.Security.Principal;
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using NLog;
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#if __MonoCS__
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#else
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using NetFwTypeLib;
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#endif
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namespace NzbDrone.Common
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{
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public class SecurityProvider
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{
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private static readonly Logger Logger = LogManager.GetCurrentClassLogger ();
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private readonly ConfigFileProvider _configFileProvider;
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private readonly EnvironmentProvider _environmentProvider;
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private readonly ProcessProvider _processProvider;
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public SecurityProvider (ConfigFileProvider configFileProvider, EnvironmentProvider environmentProvider,
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ProcessProvider processProvider)
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{
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_configFileProvider = configFileProvider;
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_environmentProvider = environmentProvider;
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_processProvider = processProvider;
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}
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public SecurityProvider ()
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{
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}
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public virtual void MakeAccessible ()
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{
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if (!IsCurrentUserAdmin ()) {
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Logger.Trace ("User is not an admin, skipping.");
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return;
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}
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int port = 0;
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if (IsFirewallEnabled ()) {
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if (IsNzbDronePortOpen ()) {
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Logger.Trace ("NzbDrone port is already open, skipping.");
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return;
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}
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//Close any old ports
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port = CloseFirewallPort ();
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//Open the new port
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OpenFirewallPort (_configFileProvider.Port);
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}
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//Skip Url Register if not Vista or 7
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if (_environmentProvider.GetOsVersion ().Major < 6)
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return;
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//Unregister Url (if port != 0)
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if (port != 0)
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UnregisterUrl (port);
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//Register Url
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RegisterUrl (_configFileProvider.Port);
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}
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public virtual bool IsCurrentUserAdmin ()
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{
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try {
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var principal = new WindowsPrincipal (WindowsIdentity.GetCurrent ());
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return principal.IsInRole (WindowsBuiltInRole.Administrator);
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} catch (Exception ex) {
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Logger.WarnException ("Error checking if the current user is an administrator.", ex);
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return false;
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}
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}
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public virtual bool IsNzbDronePortOpen ()
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{
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#if __MonoCS__
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#else
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try {
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var netFwMgrType = Type.GetTypeFromProgID ("HNetCfg.FwMgr", false);
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var mgr = (INetFwMgr)Activator.CreateInstance (netFwMgrType);
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if (!mgr.LocalPolicy.CurrentProfile.FirewallEnabled)
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return false;
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var ports = mgr.LocalPolicy.CurrentProfile.GloballyOpenPorts;
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foreach (INetFwOpenPort p in ports) {
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if (p.Port == _configFileProvider.Port)
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return true;
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}
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} catch (Exception ex) {
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Logger.WarnException ("Failed to check for open port in firewall", ex);
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}
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#endif
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return false;
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}
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private bool OpenFirewallPort (int portNumber)
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{
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#if __MonoCS__
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return true;
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#else
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try {
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var type = Type.GetTypeFromProgID ("HNetCfg.FWOpenPort", false);
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var port = Activator.CreateInstance (type) as INetFwOpenPort;
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port.Port = portNumber;
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port.Name = "NzbDrone";
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port.Protocol = NET_FW_IP_PROTOCOL_.NET_FW_IP_PROTOCOL_TCP;
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port.Enabled = true;
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var netFwMgrType = Type.GetTypeFromProgID ("HNetCfg.FwMgr", false);
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var mgr = (INetFwMgr)Activator.CreateInstance (netFwMgrType);
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var ports = mgr.LocalPolicy.CurrentProfile.GloballyOpenPorts;
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ports.Add (port);
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return true;
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} catch (Exception ex) {
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Logger.WarnException ("Failed to open port in firewall for NzbDrone " + portNumber, ex);
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return false;
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}
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#endif
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}
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private int CloseFirewallPort ()
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{
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#if __MonoCS__
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#else
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try {
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var netFwMgrType = Type.GetTypeFromProgID ("HNetCfg.FwMgr", false);
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var mgr = (INetFwMgr)Activator.CreateInstance (netFwMgrType);
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var ports = mgr.LocalPolicy.CurrentProfile.GloballyOpenPorts;
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var portNumber = 8989;
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foreach (INetFwOpenPort p in ports) {
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if (p.Name == "NzbDrone") {
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portNumber = p.Port;
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break;
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}
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}
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if (portNumber != _configFileProvider.Port) {
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ports.Remove (portNumber, NET_FW_IP_PROTOCOL_.NET_FW_IP_PROTOCOL_TCP);
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return portNumber;
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}
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} catch (Exception ex) {
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Logger.WarnException ("Failed to close port in firewall for NzbDrone", ex);
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}
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#endif
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return 0;
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}
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private bool IsFirewallEnabled ()
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{
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#if __MonoCS__
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return true;
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#else
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try {
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var netFwMgrType = Type.GetTypeFromProgID ("HNetCfg.FwMgr", false);
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var mgr = (INetFwMgr)Activator.CreateInstance (netFwMgrType);
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return mgr.LocalPolicy.CurrentProfile.FirewallEnabled;
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} catch (Exception ex) {
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Logger.WarnException ("Failed to check if the firewall is enabled", ex);
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return false;
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}
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#endif
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}
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private bool RegisterUrl (int portNumber)
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{
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try {
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var startInfo = new ProcessStartInfo ()
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{
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FileName = "netsh.exe",
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Arguments = string.Format("http add urlacl http://*:{0}/ user=EVERYONE", portNumber)
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};
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var process = _processProvider.Start (startInfo);
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process.WaitForExit (5000);
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return true;
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} catch (Exception ex) {
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Logger.WarnException ("Error registering URL", ex);
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}
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return false;
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}
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private bool UnregisterUrl (int portNumber)
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{
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try {
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var startInfo = new ProcessStartInfo ()
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{
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FileName = "netsh.exe",
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Arguments = string.Format("http delete urlacl http://*:{0}/", portNumber)
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};
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var process = _processProvider.Start (startInfo);
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process.WaitForExit (5000);
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return true;
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} catch (Exception ex) {
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Logger.WarnException ("Error registering URL", ex);
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}
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return false;
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}
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}
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}
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