azureblog.co.uk
← cd ~/roles
// roles/azure · web-and-mobile

SignalR REST API OwnerAzure built-in role

Full access to Azure SignalR Service REST APIs

Role IDfd53cd77-2268-407a-8f46-7e7863d0f521
CategoryWeb-and-mobile
Actions0
Data actions5

Before you assign it

  • It reaches the data, not just the resource. It has 5 data actions, such as reading blobs, secrets or messages.

What it can do

No control-plane actions.

Data actions

PermissionWhat it allows
Microsoft.SignalRService/SignalR/auth/clientToken/actionGenerate an AccessToken for client to connect to ASRS, the token will expire in 5 minutes by default
Microsoft.SignalRService/SignalR/hub/*Every operation under Microsoft.SignalRService/SignalR/hub
Microsoft.SignalRService/SignalR/group/*Every operation under Microsoft.SignalRService/SignalR/group
Microsoft.SignalRService/SignalR/clientConnection/*Every operation under Microsoft.SignalRService/SignalR/clientConnection
Microsoft.SignalRService/SignalR/user/*Every operation under Microsoft.SignalRService/SignalR/user

Assign it

Scope it as tightly as you can: a resource or resource group rather than the whole subscription.

azure cli
az role assignment create \
  --assignee "jane.doe@contoso.com" \
  --role "SignalR REST API Owner" \
  --scope "/subscriptions/<subscription id>/resourceGroups/<resource group>"
powershell3 lines
New-AzRoleAssignment -SignInName "jane.doe@contoso.com" `
  -RoleDefinitionName "SignalR REST API Owner" `
  -Scope "/subscriptions/<subscription id>/resourceGroups/<resource group>"
bicep7 lines
resource assignment 'Microsoft.Authorization/roleAssignments@2022-04-01' = {
  name: guid(resourceGroup().id, principalId, 'fd53cd77-2268-407a-8f46-7e7863d0f521')
  properties: {
    roleDefinitionId: subscriptionResourceId('Microsoft.Authorization/roleDefinitions', 'fd53cd77-2268-407a-8f46-7e7863d0f521')
    principalId: principalId
  }
}

Who already has it?

kql · azure resource graph
authorizationresources
| where type == "microsoft.authorization/roleassignments"
| where tostring(properties.roleDefinitionId) endswith "fd53cd77-2268-407a-8f46-7e7863d0f521"
| project principalId = tostring(properties.principalId), principalType = tostring(properties.principalType), scope = tostring(properties.scope)

Other web-and-mobile roles

Find the smallest role for a task →