oqtane.framework/Oqtane.Server/Infrastructure/Middleware/TenantMiddleware.cs

62 lines
2.5 KiB
C#

using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.Caching.Memory;
using Oqtane.Repository;
using Oqtane.Shared;
namespace Oqtane.Infrastructure
{
internal class TenantMiddleware
{
private readonly RequestDelegate next;
public TenantMiddleware(RequestDelegate next)
{
this.next = next;
}
public async Task Invoke(HttpContext context)
{
// check if framework is installed
var config = context.RequestServices.GetService(typeof(IConfigManager)) as IConfigManager;
string path = context.Request.Path.ToString();
if (config.IsInstalled() && !path.StartsWith("/_blazor"))
{
// get alias (note that this also sets SiteState.Alias)
var tenantManager = context.RequestServices.GetService(typeof(ITenantManager)) as ITenantManager;
var alias = tenantManager.GetAlias();
if (alias != null)
{
// add site settings to alias
var cache = context.RequestServices.GetService(typeof(IMemoryCache)) as IMemoryCache;
alias.SiteSettings = cache.GetOrCreate("sitesettings:" + alias.SiteKey, entry =>
{
var settingRepository = context.RequestServices.GetService(typeof(ISettingRepository)) as ISettingRepository;
return settingRepository.GetSettings(EntityNames.Site, alias.SiteId)
.ToDictionary(setting => setting.SettingName, setting => setting.SettingValue);
});
// save alias in HttpContext for server-side usage
context.Items.Add(Constants.HttpContextAliasKey, alias);
// remove site settings so they are not available client-side
alias.SiteSettings = null;
// rewrite path by removing alias path prefix from api and pages requests (for consistent routing)
if (!string.IsNullOrEmpty(alias.Path))
{
if (path.StartsWith("/" + alias.Path) && (path.Contains("/api/") || path.Contains("/pages/")))
{
context.Request.Path = path.Replace("/" + alias.Path, "");
}
}
}
}
// continue processing
if (next != null) await next(context);
}
}
}