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56 lines
1.6 KiB
Ruby
56 lines
1.6 KiB
Ruby
# Copyright (c) Microsoft Corporation.
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# Licensed under the MIT License.
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# frozen_string_literal: true
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# Refer: https://github.com/microsoftgraph/msgraph-sample-rubyrailsapp
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require 'omniauth-oauth2'
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# Implements an OmniAuth strategy to get a Microsoft Graph
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# compatible token from Azure AD
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class MicrosoftGraphAuth < OmniAuth::Strategies::OAuth2
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option :name, :microsoft_graph_auth
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DEFAULT_SCOPE = 'offline_access https://outlook.office.com/IMAP.AccessAsUser.All https://outlook.office.com/SMTP.Send'
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# Configure the Microsoft identity platform endpoints
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option :client_options,
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site: 'https://login.microsoftonline.com',
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authorize_url: '/common/oauth2/v2.0/authorize',
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token_url: '/common/oauth2/v2.0/token'
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option :pcke, true
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# Send the scope parameter during authorize
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option :authorize_options, [:scope]
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# Unique ID for the user is the id field
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uid { raw_info['id'] }
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# Get additional information after token is retrieved
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extra do
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{
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'raw_info' => raw_info
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}
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end
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def raw_info
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# Get user profile information from the /me endpoint
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@raw_info ||= access_token.get('https://graph.microsoft.com/v1.0/me?$select=displayName').parsed
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end
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def authorize_params
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super.tap do |params|
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params[:scope] = request.params['scope'] if request.params['scope']
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params[:scope] ||= DEFAULT_SCOPE
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end
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end
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# Override callback URL
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# OmniAuth by default passes the entire URL of the callback, including
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# query parameters. Azure fails validation because that doesn't match the
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# registered callback.
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def callback_url
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ENV.fetch('FRONTEND_URL', nil) + app_path
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end
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end
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