As part of the process for deploying the SharePoint Online microservice, two service principal applications need to be registered in Azure. The first service principal is used to provide Azure AD authentication to the app service that hosts the microservice. The second service principal is needed to grant the necessary Graph and SharePoint API permissions for the microservice to manage SharePoint. Required permissions for the second service principal include those listed in the below table.
API / Permissions Name | Description |
|---|---|
Microsoft Graph | |
Sites.FullControl.All | Have full control of all site collections |
User.Read | Sign and read user profile |
User.ReadWrite.All | Read and write all users' full profiles |
SharePoint | |
Sites.FullControl.All | Have full control of all site collections |
User.Read.All | Read user profiles |
User.ReadWrite.All | Read and write user profiles |
Register a service principal for app service auth
In Azure, navigate to your Azure Active Directory.
On the Azure Active Directory navbar, click App registrations.
On the App registrations page, click New registration.
Name the application, select the scope (single or multitenant) and click Register.
Once the application is registered, copy the Application (client) ID and Directory (tenant) ID from the Overview page. These values are used later.
Navigate to the Certificates & secrets blade for the application and add a client secret.
Save the secret. You add this to the key vault you create later.
Register and configure a service principal for API calls
Register a second service principal in Azure AD.
After the service principal is registered, navigate to API permissions for the application, click Add a permission and then add the application permissions specified in the above table.
When completed, your application permissions should look like those show in the below image.
Grant admin consent for the application.
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