1. Suppose you have a service **IAuthSettingsProvider** that fetches the settings from your database.
2. Register your provider in **ConfigureServices** in Startup:
3. Implement Your Provider
```
public interface IAuthSettingsProvider
{
Task<AuthSettings> GetSettingsAsync(string tenantId);
}
public class AuthSettings
{
public string ClientId { get; set; }
public string ClientSecret { get; set; }
}
public class AuthSettingsProvider : IAuthSettingsProvider
{
public async Task<AuthSettings> GetSettingsAsync(string tenantId)
{
// Query your database for the tenant's settings
// Example:
// return await dbContext.TenantAuthSettings
// .Where(t => t.TenantId == tenantId)
// .Select(t => new AuthSettings { ClientId = t.ClientId, ClientSecret = t.ClientSecret })
// .FirstOrDefaultAsync();
// Placeholder:
return new AuthSettings
{
ClientId = "tenant-specific-clientid",
ClientSecret = "tenant-specific-clientsecret"
};
}
}
```
4. Use **OpenIdConnectEvents.OnRedirectToIdentityProvider** :
This event is triggered before redirecting to the identity provider. You can set ClientId and ClientSecret here, based on the current tenant/subdomain.
```
builder.Services.AddOpenIdConnect(options =>
{
// Set static options as fallback/default
options.Authority = configuration["Authentication:OpenId:Authority"];
options.ResponseType = OpenIdConnectResponseType.Code;
options.SaveTokens = true;
options.Scope.Add("openid");
options.Scope.Add("profile");
options.Scope.Add("email");
options.Events = new OpenIdConnectEvents
{
OnRedirectToIdentityProvider = async context =>
{
// Get tenant/subdomain info from request
var httpContext = context.HttpContext;
var tenantId = httpContext.Request.Host.Host; // Or use a custom resolver
// Resolve your service from DI
var tenantAuthProvider = httpContext.RequestServices.GetRequiredService<ITenantAuthSettingsProvider>();
var authSettings = await tenantAuthProvider.GetSettingsAsync(tenantId);
// Set ClientId and ClientSecret dynamically
context.Options.ClientId = authSettings.ClientId;
context.Options.ClientSecret = authSettings.ClientSecret;
}
};
});
```
1. Suppose you have a service **IAuthSettingsProvider** that fetches the settings from your database.
2. Register your provider in **ConfigureServices** in Startup:
3. Implement Your Provider
```
public interface IAuthSettingsProvider
{
Task<AuthSettings> GetSettingsAsync(string tenantId);
}
public class AuthSettings
{
public string ClientId { get; set; }
public string ClientSecret { get; set; }
}
public class AuthSettingsProvider : IAuthSettingsProvider
{
public async Task<AuthSettings> GetSettingsAsync(string tenantId)
{
// Query your database for the tenant's settings
// Example:
// return await dbContext.TenantAuthSettings
// .Where(t => t.TenantId == tenantId)
// .Select(t => new AuthSettings { ClientId = t.ClientId, ClientSecret = t.ClientSecret })
// .FirstOrDefaultAsync();
// Placeholder:
return new AuthSettings
{
ClientId = "tenant-specific-clientid",
ClientSecret = "tenant-specific-clientsecret"
};
}
}
```
4. Use **OpenIdConnectEvents.OnRedirectToIdentityProvider** :
This event is triggered before redirecting to the identity provider. You can set ClientId and ClientSecret here, based on the current tenant/subdomain.
```
builder.Services.AddOpenIdConnect(options =>
{
// Set static options as fallback/default
options.Authority = configuration["Authentication:OpenId:Authority"];
options.ResponseType = OpenIdConnectResponseType.Code;
options.SaveTokens = true;
options.Scope.Add("openid");
options.Scope.Add("profile");
options.Scope.Add("email");
options.Events = new OpenIdConnectEvents
{
OnRedirectToIdentityProvider = async context =>
{
// Get tenant/subdomain info from request
var httpContext = context.HttpContext;
var tenantId = httpContext.Request.Host.Host; // Or use a custom resolver
// Resolve your service from DI
var tenantAuthProvider = httpContext.RequestServices.GetRequiredService<ITenantAuthSettingsProvider>();
var authSettings = await tenantAuthProvider.GetSettingsAsync(tenantId);
// Set ClientId and ClientSecret dynamically
context.Options.ClientId = authSettings.ClientId;
context.Options.ClientSecret = authSettings.ClientSecret;
}
};
});
```
