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feat: add generator totp qr-code

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Polianin Nikita 2024-12-18 07:29:31 +03:00
parent 74ba4e901a
commit 25eddbe776
1 changed files with 58 additions and 0 deletions
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58
Endpoint/Controllers/V1/SecurityController.cs
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@ -14,6 +14,64 @@ namespace Mirea.Api.Endpoint.Controllers.V1;
[ApiVersion("1.0")]
public class SecurityController(IOptionsSnapshot<GeneralConfig> generalConfig) : BaseController
{
/// <summary>
/// Generates an SVG QR code for TOTP setup with customizable colors and size.
/// </summary>
/// <param name="totpKey">The TOTP secret key to embed in the QR code.</param>
/// <param name="label">The label to display with the QR code (usually username or email).</param>
/// <param name="backgroundColor">Background color for the QR code in hex format (e.g., "#FFFFFF" for white). Defaults to transparent.</param>
/// <param name="foregroundColor">Foreground color for the QR code in hex format (e.g., "#000000" for black), defaults to black.</param>
/// <param name="size">The pixel size of the QR code image (width and height).</param>
/// <param name="errorCorrectionLevel">Error correction level (low, medium, high, or very high). Valid values: L, M, Q, H.</param>
/// <returns>An SVG string of the generated QR code.</returns>
[HttpGet("GenerateTotpQrCode")]
[Produces("image/svg+xml")]
[MaintenanceModeIgnore]
public IActionResult GenerateTotpQrCode(
[FromQuery] string totpKey,
[FromQuery] string label,
[FromQuery] string? backgroundColor = null,
[FromQuery] string foregroundColor = "#000000",
[FromQuery] int size = 250,
[FromQuery] string? errorCorrectionLevel = "M")
{
try
{
var bgColor = string.IsNullOrEmpty(backgroundColor) ? Color.Transparent : ColorTranslator.FromHtml(backgroundColor);
var fgColor = ColorTranslator.FromHtml(foregroundColor);
var eccLevel = errorCorrectionLevel?.ToUpper() switch
{
"L" => QRCodeGenerator.ECCLevel.L,
"Q" => QRCodeGenerator.ECCLevel.Q,
"H" => QRCodeGenerator.ECCLevel.H,
_ => QRCodeGenerator.ECCLevel.M
};
var issuer = Uri.EscapeDataString("Mirea Schedule");
// Generate TOTP URI (otpauth://totp/issuer:username?secret=KEY&issuer=issuer)
var totpUri = $"otpauth://totp/{issuer}:{label}?secret={totpKey}&issuer={issuer}";
using var qrGenerator = new QRCodeGenerator();
var qrCodeData = qrGenerator.CreateQrCode(totpUri, eccLevel);
using var qrCode = new SvgQRCode(qrCodeData);
var svgImage = qrCode.GetGraphic(
pixelsPerModule: size / 25,
darkColorHex: $"#{fgColor.R:X2}{fgColor.G:X2}{fgColor.B:X2}",
lightColorHex: $"#{bgColor.R:X2}{bgColor.G:X2}{bgColor.B:X2}"
);
return Content(svgImage, "image/svg+xml");
}
catch (Exception ex)
{
return BadRequest($"Failed to generate QR code: {ex.Message}");
}
}
/// <summary>
/// Retrieves the current password policy for user authentication.
/// </summary>