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MFACodeGenerator
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Verify with a NTP time source before continuing

This commit is contained in:
Jeff Leung 2020-07-08 15:48:59 -07:00
parent a7560d75d9
commit 73c6317b3e
3 changed files with 64 additions and 0 deletions
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39
MFACodeGenerator/MFACodeGenerator.csproj
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@ -13,6 +13,22 @@
<AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects> <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
<Deterministic>true</Deterministic> <Deterministic>true</Deterministic>
<TargetFrameworkProfile /> <TargetFrameworkProfile />
<PublishUrl>C:\Users\curriegrad2004\Desktop\MFAGenerator\</PublishUrl>
<Install>true</Install>
<InstallFrom>Disk</InstallFrom>
<UpdateEnabled>false</UpdateEnabled>
<UpdateMode>Foreground</UpdateMode>
<UpdateInterval>7</UpdateInterval>
<UpdateIntervalUnits>Days</UpdateIntervalUnits>
<UpdatePeriodically>false</UpdatePeriodically>
<UpdateRequired>false</UpdateRequired>
<MapFileExtensions>true</MapFileExtensions>
<ApplicationRevision>0</ApplicationRevision>
<ApplicationVersion>1.0.0.%2a</ApplicationVersion>
<IsWebBootstrapper>false</IsWebBootstrapper>
<UseApplicationTrust>false</UseApplicationTrust>
<PublishWizardCompleted>true</PublishWizardCompleted>
<BootstrapperEnabled>true</BootstrapperEnabled>
</PropertyGroup> </PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' "> <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
<PlatformTarget>AnyCPU</PlatformTarget> <PlatformTarget>AnyCPU</PlatformTarget>
@ -33,7 +49,22 @@
<ErrorReport>prompt</ErrorReport> <ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel> <WarningLevel>4</WarningLevel>
</PropertyGroup> </PropertyGroup>
<PropertyGroup>
<ManifestCertificateThumbprint>25959F1C21FCA9FFDED624C1BC14F6D1248B0FDD</ManifestCertificateThumbprint>
</PropertyGroup>
<PropertyGroup>
<ManifestKeyFile>MFACodeGenerator_TemporaryKey.pfx</ManifestKeyFile>
</PropertyGroup>
<PropertyGroup>
<GenerateManifests>true</GenerateManifests>
</PropertyGroup>
<PropertyGroup>
<SignManifests>true</SignManifests>
</PropertyGroup>
<ItemGroup> <ItemGroup>
<Reference Include="NtpClient, Version=1.0.14.0, Culture=neutral, processorArchitecture=MSIL">
<HintPath>..\packages\NtpClient.1.0.14\lib\net40\NtpClient.dll</HintPath>
</Reference>
<Reference Include="Otp.NET, Version=1.2.2.0, Culture=neutral, PublicKeyToken=38a48df817e173a6, processorArchitecture=MSIL"> <Reference Include="Otp.NET, Version=1.2.2.0, Culture=neutral, PublicKeyToken=38a48df817e173a6, processorArchitecture=MSIL">
<HintPath>..\packages\Otp.NET.1.2.2\lib\net45\Otp.NET.dll</HintPath> <HintPath>..\packages\Otp.NET.1.2.2\lib\net45\Otp.NET.dll</HintPath>
</Reference> </Reference>
@ -70,6 +101,7 @@
<AutoGen>True</AutoGen> <AutoGen>True</AutoGen>
<DependentUpon>Resources.resx</DependentUpon> <DependentUpon>Resources.resx</DependentUpon>
</Compile> </Compile>
<None Include="MFACodeGenerator_TemporaryKey.pfx" />
<None Include="packages.config" /> <None Include="packages.config" />
<None Include="Properties\Settings.settings"> <None Include="Properties\Settings.settings">
<Generator>SettingsSingleFileGenerator</Generator> <Generator>SettingsSingleFileGenerator</Generator>
@ -84,5 +116,12 @@
<ItemGroup> <ItemGroup>
<None Include="App.config" /> <None Include="App.config" />
</ItemGroup> </ItemGroup>
<ItemGroup>
<BootstrapperPackage Include="Microsoft.Net.Framework.3.5.SP1">
<Visible>False</Visible>
<ProductName>.NET Framework 3.5 SP1</ProductName>
<Install>false</Install>
</BootstrapperPackage>
</ItemGroup>
<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" /> <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
</Project> </Project>

24
MFACodeGenerator/Program.cs
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@ -3,6 +3,7 @@ using System.Collections.Generic;
using System.Linq; using System.Linq;
using System.Threading.Tasks; using System.Threading.Tasks;
using System.Windows.Forms; using System.Windows.Forms;
using NtpClient;
namespace MFACodeGenerator namespace MFACodeGenerator
{ {
@ -14,6 +15,29 @@ namespace MFACodeGenerator
[STAThread] [STAThread]
static void Main() static void Main()
{ {
try
{
NtpClient.NtpConnection client
= new NtpConnection("pool.ntp.org");
var NetDate = client.GetUtc();
var diff = NetDate - DateTime.UtcNow;
if (Math.Abs(diff.Seconds) >= 60)
{
MessageBox.Show("Time difference is greater than 60 seconds. Please check your local clock settings!",
"Clock Drift Detected",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
return;
}
} catch
{
MessageBox.Show("Since we can't verify your PC's clock to a reliable time source, this application may not work properly. Please ensure the time on your PC is set correctly.",
"No Reliable Time Source Found"
, MessageBoxButtons.OK
, MessageBoxIcon.Warning);
}
Application.EnableVisualStyles(); Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false); Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new Form1()); Application.Run(new Form1());

1
MFACodeGenerator/packages.config
View File

@ -1,4 +1,5 @@
<?xml version="1.0" encoding="utf-8"?> <?xml version="1.0" encoding="utf-8"?>
<packages> <packages>
<package id="NtpClient" version="1.0.14" targetFramework="net45" />
<package id="Otp.NET" version="1.2.2" targetFramework="net46" /> <package id="Otp.NET" version="1.2.2" targetFramework="net46" />
</packages> </packages>