Exemplo n.º 1
0
            public async Task Invoke(HttpContext context)
            {
                // Check is request to Swagger
                if (!SwaggerHelper.IsAccessSwagger(context, _options))
                {
                    await _next.Invoke(context).ConfigureAwait(true);

                    return;
                }

                // Set cookie if need
                string requestAccessKey = context.Request.Query[ElectSwaggerConstants.AccessKeyName];

                if (!string.IsNullOrWhiteSpace(requestAccessKey) && context.Request.Cookies[ElectSwaggerConstants.AccessKeyName] != requestAccessKey)
                {
                    SetCookie(context, ElectSwaggerConstants.CookieAccessKeyName, requestAccessKey);
                }

                // Check Permission
                bool isCanAccess = SwaggerHelper.IsCanAccessSwagger(context, _options.AccessKey);

                if (!isCanAccess)
                {
                    context.Response.StatusCode = StatusCodes.Status403Forbidden;

                    await context.Response.WriteAsync(_options.UnAuthorizeMessage).ConfigureAwait(true);

                    return;
                }

                if (SwaggerHelper.IsAccessJsonViewer(context, _options))
                {
                    var jsonViewerContentResult = SwaggerHelper.GetApiJsonViewerHtml();

                    context.Response.ContentType = jsonViewerContentResult.ContentType;

                    context.Response.StatusCode = jsonViewerContentResult.StatusCode ?? StatusCodes.Status200OK;

                    await context.Response.WriteAsync(jsonViewerContentResult.Content, Encoding.UTF8).ConfigureAwait(true);

                    return;
                }

                if (SwaggerHelper.IsAccessUI(context, _options))
                {
                    var apiDocContentResult = SwaggerHelper.GetApiDocHtml();

                    context.Response.ContentType = apiDocContentResult.ContentType;

                    context.Response.StatusCode = apiDocContentResult.StatusCode ?? StatusCodes.Status200OK;

                    await context.Response.WriteAsync(apiDocContentResult.Content, Encoding.UTF8).ConfigureAwait(true);

                    return;
                }

                // Next middleware is swagger endpoint => generate document by swagger

                await _next.Invoke(context).ConfigureAwait(true);
            }