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jellyfin/Jellyfin.Api/Middleware/LegacyEmbyRouteRewriteMiddl...

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using System;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.Logging;
namespace Jellyfin.Api.Middleware
{
/// <summary>
/// Removes /emby and /mediabrowser from requested route.
/// </summary>
public class LegacyEmbyRouteRewriteMiddleware
{
private const string EmbyPath = "/emby";
private const string MediabrowserPath = "/mediabrowser";
private readonly RequestDelegate _next;
private readonly ILogger<LegacyEmbyRouteRewriteMiddleware> _logger;
/// <summary>
/// Initializes a new instance of the <see cref="LegacyEmbyRouteRewriteMiddleware"/> class.
/// </summary>
/// <param name="next">The next delegate in the pipeline.</param>
/// <param name="logger">The logger.</param>
public LegacyEmbyRouteRewriteMiddleware(
RequestDelegate next,
ILogger<LegacyEmbyRouteRewriteMiddleware> logger)
{
_next = next;
_logger = logger;
}
/// <summary>
/// Executes the middleware action.
/// </summary>
/// <param name="httpContext">The current HTTP context.</param>
/// <returns>The async task.</returns>
public async Task Invoke(HttpContext httpContext)
{
var localPath = httpContext.Request.Path.ToString();
if (localPath.StartsWith(EmbyPath, StringComparison.OrdinalIgnoreCase))
{
httpContext.Request.Path = localPath[EmbyPath.Length..];
_logger.LogDebug("Removing {EmbyPath} from route.", EmbyPath);
}
else if (localPath.StartsWith(MediabrowserPath, StringComparison.OrdinalIgnoreCase))
{
httpContext.Request.Path = localPath[MediabrowserPath.Length..];
_logger.LogDebug("Removing {MediabrowserPath} from route.", MediabrowserPath);
}
await _next(httpContext).ConfigureAwait(false);
}
}
}