Add a certificate to an app using Microsoft Graph

To create the self-signed certificate, run the following command at a terminal prompt: - openssl req -x509 -newkey rsa:2048 -keyout selfsignkey.pem -out selfsigncert.pem -nodes -days 365

Permissions

Requires delegated permission Application.ReadWrite.All.

Reference

• https://learn.microsoft.com/en-us/graph/applications-how-to-add-certificate

View source

from office365.graph_client import GraphClient
from tests.settings import client_id, password, tenant, username

cert_path = "../../selfsigncert.pem"

client = GraphClient(tenant=tenant).with_username_and_password(client_id, username, password)

target_app = client.applications.get_by_app_id(client_id)
with open(cert_path, "rb") as f:
    cert_data = f.read()
target_app.add_certificate(cert_data, "Internet Widgits Pty Ltd").execute_query()

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