https://github.com/nwestfall/blazortenant
Add Multi-Tenancy to your Blazor WebAssembly application
https://github.com/nwestfall/blazortenant
Last synced: about 2 months ago
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Add Multi-Tenancy to your Blazor WebAssembly application
- Host: GitHub
- URL: https://github.com/nwestfall/blazortenant
- Owner: nwestfall
- License: other
- Created: 2020-08-12T02:25:38.000Z (almost 5 years ago)
- Default Branch: master
- Last Pushed: 2021-03-14T20:20:37.000Z (about 4 years ago)
- Last Synced: 2025-04-14T22:14:39.176Z (about 2 months ago)
- Language: C#
- Size: 266 KB
- Stars: 28
- Watchers: 4
- Forks: 9
- Open Issues: 1
-
Metadata Files:
- Readme: README.md
- License: LICENSE.md
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README
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# BlazorTenant
Support multi-tenantancy in your Blazor application. You don't need to deploy multiple versions, just load a different config based on the url.
Tested and supported
- Tenant identification from url (/TENANT/counter)
- Change authentication based on tenant
- Custom properties on the tenant to do... anything! (custom endpoints, custom tokens, feature flags, be creative!)
## How does it work?
Setup is pretty simple, especially if starting with a new project. There are 3 main areas to look at. They instructures below are for WebAssembly.
#### Program.cs
Wire up the library to do it's thing. You will be creating a `TenantStore` (library comes included with an `InMemoryTenantStore`, but you can create your own) and adding that to the `ServiceCollection`.
```c#
using BlazorTenant;
...
public static async Task Main(string[] args)
{
var builder = WebAssemblyHostBuilder.CreateDefault(args);
builder.RootComponents.Add("app");
// Create a TenantStore
var store = new InMemoryTenantStore();
// Add manually
store.TryAdd(new Tenant("mycompany1", new Dictionary()
{
"Property1", "value1"
}));
// Add from appsettings.json file
var tenantSection = builder.Configuration.GetSection("Tenants");
foreach(var tenant in tenantSection.GetChildren())
{
store.TryAdd(new Tenant(tenant.GetValue("Identifier"), new Dictionary()
{
"Property1", tenant.GetValue("Property1")
}));
}
// Add MultiTenantancy
builder.Services.AddMultiTenantancy(store);
var build = builder.Build();
// We need the service provider for some fancy action
build.Services.AddServiceProviderToMultiTenantRoutes();
await build.RunAsync();
}
```
#### App.razor
Replace your `Router` with our new `MultiTenantRouter`. There is also a new `RenderFragment` called `NoTenant` to let you display custom messages if the tenant does not exist.
```html
Sorry, there's nothing at this address.
@message
```
#### Update your NavigationManager
This one can be a little annoying and I plan to fix in the future. When you use `NavigationManager`, you will need to include the current `Tenant.Identifier` so that the router works. Next step would be to replace the `NavigationManager` with a `TenantNavigationManager` that does this for you. But for now, you will have to do the following on your Razor pages
```html
@inject Tenant tenant
@inject NavigationManager navigationManager
Go!
@code {
public void GoToPage()
{
navigationManager.NavigateTo($"{tenant.Identifier}/mypage");
}
}
```
Feel free to look at the sample project as well.
## Why was this built?
Where I worked, I wanted to build a blazor app that sat on top of a few different systems. Based on your tenant, you could have a different OIDC provider, maybe a different endpoint for your data, and even some features weren't available based on where you lived. The goal of this application was to just build a new front end on existing APIs, using Blazor WebAssembly. Oh, and it had to be a PWA.
Few problems with having different tenants in Blazor
- How do you configure different OIDC paths, client ID, etc
- How do you handle different endpoints for you data?
- Yes, a lot of this data can be stored in `appsettings.json`, but this can have integrity checks so I can't make it dynamic easily
- I want to run this in S3 without ANY servers... so I'm relying on just my files to be correct, no fancy tricks
A lot of inspiration was taken from [Finbuckle.MultiTenant](https://www.finbuckle.com/MultiTenant). Recently, they appear to have started supporting Blazor, but not WebAssembly (from what I can tell, please correct me). My goal was to have a completely offline solution, so I didn't want to use Blazor Server or something else.
I was learning Blazor for the first time while building this, but it helped me learn the project **very** quickly. This library will probably evolve over time as I learn more, but I'm very happy with the outcome in our application.
## Future Plans
[ ] Build a `TenantNavigationManager`
[ ] Try to make `ServiceProvider` not included
[ ] Make an API based `TenantStore`