43 lines
1.1 KiB
C#
43 lines
1.1 KiB
C#
namespace API.Middlewares;
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public class ApiKeyValidationMiddleware
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{
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private readonly RequestDelegate _next;
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private const string APIKEYNAME = "ApiKey";
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public ApiKeyValidationMiddleware(RequestDelegate next)
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{
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_next = next;
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}
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public async Task InvokeAsync(HttpContext context)
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{
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if (!context.Request.Headers.TryGetValue(APIKEYNAME, out var extractedApiKey))
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{
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context.Response.StatusCode = 401;
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await context.Response.WriteAsync("API Key was not provided.");
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return;
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}
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var appSettings = context.RequestServices.GetRequiredService<IConfiguration>();
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var apiKey = appSettings.GetValue<string>("ApiKey");
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if (string.IsNullOrEmpty(apiKey))
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{
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context.Response.StatusCode = 400;
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await context.Response.WriteAsync("Unable to retrieve API key.");
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return;
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}
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if (!apiKey.Equals(extractedApiKey))
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{
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context.Response.StatusCode = 401;
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await context.Response.WriteAsync("Unauthorized client.");
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return;
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}
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await _next(context);
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}
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}
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