Radicade/Server/Players/LinkAPI.cs

using System.Text.Json;
using Microsoft.AspNetCore.Mvc;

namespace RadicadeServer.API.Link;

[Route("link")]
public class LinkAPI : Controller
{
	[HttpGet("actionlink/{code}")]
	public IActionResult ConsumeActionLink(string code)
	{
		if (string.Equals(code?.Trim(), "COACH", StringComparison.OrdinalIgnoreCase))
			return Ok(new { Success = true, Code = "COACH", InfluencerAccountId = 1L });
		return Ok(new { Success = false, Code = code?.Trim() ?? string.Empty, InfluencerAccountId = 0L });
	}
	private static readonly HashSet<string> KnownDeepLinks = new(StringComparer.OrdinalIgnoreCase)
	{
		"recroom://testlink",
		"recroom://solus",
		"recroom://winterwonderland",
		"recroom://reccenter",
		"recroom://testforcat"
	};

	[HttpPost("actionlink")]
	public async Task<ActionResult<int>> CheckActionLink()
	{
		string? linkId = null;

		using (var reader = new StreamReader(Request.Body))
		{
			var body = await reader.ReadToEndAsync();
			if (!string.IsNullOrWhiteSpace(body))
			{
				try
				{
					using var doc = JsonDocument.Parse(body);
					if (doc.RootElement.ValueKind == JsonValueKind.Object)
					{
						foreach (var prop in doc.RootElement.EnumerateObject())
						{
							if (prop.Value.ValueKind == JsonValueKind.String &&
								(prop.Name.Equals("shortLinkId", StringComparison.OrdinalIgnoreCase) ||
								 prop.Name.Equals("code", StringComparison.OrdinalIgnoreCase) ||
								 prop.Name.Equals("link", StringComparison.OrdinalIgnoreCase) ||
								 prop.Name.Equals("deepLink", StringComparison.OrdinalIgnoreCase) ||
								 prop.Name.Equals("fullLink", StringComparison.OrdinalIgnoreCase) ||
								 prop.Name.Equals("roomId", StringComparison.OrdinalIgnoreCase)))
							{
								linkId = prop.Value.GetString();
								break;
							}
						}
					}
				}
				catch (JsonException)
				{
				}
			}
		}

		if (linkId == null && Request.HasFormContentType)
			linkId = Request.Form["shortLinkId"].ToString();

		if (!string.IsNullOrWhiteSpace(linkId))
		{
			var normalized = linkId.Trim();
			if (!normalized.StartsWith("recroom://", StringComparison.OrdinalIgnoreCase))
				normalized = $"recroom://{normalized}";
			if (KnownDeepLinks.Contains(normalized))
				return Ok(0);
		}

		return Ok(0);
	}
}