nuell_Captcha 1.0.1

.NET 5.0 This package targets .NET 5.0. The package is compatible with this framework or higher. 
dotnet add package nuell_Captcha --version 1.0.1
                    


                    

                
NuGet\Install-Package nuell_Captcha -Version 1.0.1
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package. 
<PackageReference Include="nuell_Captcha" Version="1.0.1" />
For projects that support PackageReference, copy this XML node into the project file to reference the package. 
<PackageVersion Include="nuell_Captcha" Version="1.0.1" />
                    


                            Directory.Packages.props
                        

                    

                
<PackageReference Include="nuell_Captcha" />
                    


                            Project file
For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package. 
paket add nuell_Captcha --version 1.0.1
                    


                    

                
#r "nuget: nuell_Captcha, 1.0.1"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package. 
#:package nuell_Captcha@1.0.1
#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package. 
#addin nuget:?package=nuell_Captcha&version=1.0.1
                    


                            Install as a Cake Addin
                        

                    

                
#tool nuget:?package=nuell_Captcha&version=1.0.1
                    


                            Install as a Cake Tool

Configuring the captcha class:

public Startup(IConfiguration config, IWebHostEnvironment env)
{
   Configuration = configuration;
      
   Captcha.ConnectionString = config.GetConnectionString("MySQLServerConnectionString");
   Captcha.RootPath = env.WebRootPath;
   Captcha.FontPath = "Roboto.ttf"; //reltive path

   //optional properties:
   Captcha.Digits = 3; //default: 5
   Captcha.ForeColor = SixLabors.ImageSharp.Color.Blue; //default: FromRgb(60, 60, 60)
   Captcha.BackColor = SixLabors.ImageSharp.Color.Black; //default: White
   Captcha.Width = 150; //default: 200
   Captcha.Height = 50; //default: 60
}

A new table named CaptchaCodes will be created in the SQL Server database. Creating the captcha and sending the image and the code to the razor view:

public IActionResult Index()
{
   var captcha = new Captcha();
   ViewBag.Src = captcha.Src;
   ViewBag.Code = captcha.Code;
   return View();
}

Displaying the captcha in the razor view form:

<input type="hidden" name="CaptchaCode" value="@ViewBag.Code">
<img src="@ViewBag.Src">
<input type="text" name="CaptchaUserInput">

Checking the validity of the user input after the form was posted back to the server:

if (Captcha.IsValid(request.CaptchaUserInput, request.CaptchaCode)) { . . . }
Product Compatible and additional computed target framework versions.
.NET net5.0 is compatible.  net5.0-windows was computed.  net6.0 was computed.  net6.0-android was computed.  net6.0-ios was computed.  net6.0-maccatalyst was computed.  net6.0-macos was computed.  net6.0-tvos was computed.  net6.0-windows was computed.  net7.0 was computed.  net7.0-android was computed.  net7.0-ios was computed.  net7.0-maccatalyst was computed.  net7.0-macos was computed.  net7.0-tvos was computed.  net7.0-windows was computed.  net8.0 was computed.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed.  net9.0 was computed.  net9.0-android was computed.  net9.0-browser was computed.  net9.0-ios was computed.  net9.0-maccatalyst was computed.  net9.0-macos was computed.  net9.0-tvos was computed.  net9.0-windows was computed.  net10.0 was computed.  net10.0-android was computed.  net10.0-browser was computed.  net10.0-ios was computed.  net10.0-maccatalyst was computed.  net10.0-macos was computed.  net10.0-tvos was computed.  net10.0-windows was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

NuGet packages

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Version Downloads Last Updated
1.0.1 629 8/23/2021
1.0.0 572 12/25/2020