public async Task Invoke(MessagingContext context, CancellationToken cancellationToken, Func <Task> next)
{
if (_tenancyOptions.Value.TenancyType == TenancyType.None)
{
await next();
return;
}
var tenantId = await _tenantIdentificationService.GetTenantIdAsync();
if (!context.MessagingEnvelope.Headers.TryGetValue(MessagingHeaders.TenantId, out var messageTenantIdHeader))
{
throw new ApplicationException($"The tenant ID message header is missing from the message envelope");
}
if (!Guid.TryParse(messageTenantIdHeader, out var messageTenantId))
{
throw new ApplicationException($"The tenant ID message header is invalid");
}
if (messageTenantId != tenantId)
{
throw new ApplicationException(
$"Invalid tenant ID for message {context.MessagingEnvelope.Payload.GetType()}. Expected {tenantId} but received {messageTenantIdHeader}");
}
if (_tenancyOptions.Value.TenancyType == TenancyType.MonoTenant && _tenancyOptions.Value.TenantId != messageTenantId)
{
throw new ApplicationException(
$"Invalid tenant ID for message {context.MessagingEnvelope.Payload.GetType()}. Expected {_tenancyOptions.Value.TenantId} but received {messageTenantIdHeader}");
}
var tenant = await _tenantRepository.Get(tenantId, cancellationToken)
?? throw new ApplicationException($"Tenant {tenantId} not found");
if (tenant.IsShared && _tenancyOptions.Value.TenancyType == TenancyType.MonoTenant)
{
throw new ApplicationException(
$"Received a message for shared tenant {messageTenantIdHeader} in a MonoTenant hosting");
}
if (!tenant.IsShared && _tenancyOptions.Value.TenancyType == TenancyType.MultiTenant)
{
throw new ApplicationException(
$"Received a message for premium tenant {messageTenantIdHeader} in a MultiTenant (shared) context");
}
if (_tenantContextAccessor.TenantContext != null)
{
throw new ApplicationException("Tenant context is already set");
}
_tenantContextAccessor.TenantContext = new TenantContext(tenant);
await next();
}
public async Task Invoke(HttpContext context, ITenantIdentificationService tenantIdentificationService,
ITenantContextAccessor tenantContextAccessor, ITenantRepository tenantRepository, IOptions <TenancyHostingOptions> tenancyOptions)
{
if (tenancyOptions.Value.TenancyType == TenancyType.None)
{
await _next(context);
return;
}
if (tenantContextAccessor.TenantContext != null)
{
throw new ApplicationException("Tenant context is already set");
}
var tenantId = await tenantIdentificationService.GetTenantIdAsync();
var tenant = await tenantRepository.Get(tenantId, context.RequestAborted)
?? throw new ApplicationException($"Tenant {tenantId} not found");
if (tenant.IsShared && tenancyOptions.Value.TenancyType == TenancyType.MonoTenant)
{
throw new ApplicationException(
$"Received a message for shared tenant {tenantId} in a MonoTenant hosting");
}
if (!tenant.IsShared && tenancyOptions.Value.TenancyType == TenancyType.MultiTenant)
{
throw new ApplicationException(
$"Received a message for premium tenant {tenantId} in a MultiTenant (shared) context");
}
if (tenancyOptions.Value.TenancyType == TenancyType.MonoTenant && tenancyOptions.Value.TenantId != tenantId)
{
throw new ApplicationException(
$"Invalid tenant ID. Expected {tenancyOptions.Value.TenantId} but received {tenantId}");
}
tenantContextAccessor.TenantContext = new TenantContext(tenant);
await _next(context);
}