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require 'httparty' | ||
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class MicrosoftGraph | ||
MS_BASE_URL = "https://login.microsoftonline.com".freeze | ||
TOKEN_REQUEST_PATH = "oauth2/v2.0/token".freeze | ||
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def initialize(tenant_id) | ||
@tenant_id = tenant_id | ||
end | ||
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# Make a request to the Microsoft Graph API, for instance https://graph.microsoft.com/v1.0/users | ||
def request(url) | ||
return false unless (token = bearer_token) | ||
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response = HTTParty.get( | ||
url, | ||
headers: { | ||
Authorization: "Bearer #{token}" | ||
} | ||
) | ||
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return false unless response.code == 200 | ||
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return JSON.parse(response.body) | ||
end | ||
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private | ||
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# A post to the Microsoft Graph to get a bearer token for the specified tenant. In this example | ||
# our Rails application has already been given permission to request these tokens by the admin of | ||
# the specified tenant_id. | ||
# | ||
# See here for more information https://developer.microsoft.com/en-us/graph/docs/concepts/auth_v2_service | ||
# | ||
# This request also makes use of the multipart/form-data post body. | ||
def bearer_token | ||
response = HTTParty.post( | ||
"#{MS_BASE_URL}/#{@tenant_id}/#{TOKEN_REQUEST_PATH}", | ||
body: { | ||
multipart: true, | ||
client_id: Rails.application.credentials[Rails.env.to_sym][:microsoft_client_id], | ||
client_secret: Rails.application.credentials[Rails.env.to_sym][:microsoft_client_secret], | ||
scope: 'https://graph.microsoft.com/.default', | ||
grant_type: 'client_credentials' | ||
} | ||
) | ||
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return false unless response.code == 200 | ||
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JSON.parse(response.body)['access_token'] | ||
end | ||
end |