73 lines
2.7 KiB
Ruby
73 lines
2.7 KiB
Ruby
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# frozen_string_literal: true
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# BigBlueButton open source conferencing system - http://www.bigbluebutton.org/.
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#
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# Copyright (c) 2018 BigBlueButton Inc. and by respective authors (see below).
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#
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# This program is free software; you can redistribute it and/or modify it under the
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# terms of the GNU Lesser General Public License as published by the Free Software
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# Foundation; either version 3.0 of the License, or (at your option) any later
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# version.
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#
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# BigBlueButton is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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# PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License along
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# with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
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module OmniauthOptions
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module_function
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def omniauth_options(env)
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case env['omniauth.strategy'].options[:name]
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when "bn_launcher"
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protocol = Rails.env.production? ? "https" : env["rack.url_scheme"]
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customer_redirect_url = "#{protocol}://#{env['SERVER_NAME']}:#{env['SERVER_PORT']}"
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user_domain = parse_user_domain(env["SERVER_NAME"])
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env['omniauth.strategy'].options[:customer] = user_domain
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env['omniauth.strategy'].options[:customer_redirect_url] = customer_redirect_url
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env['omniauth.strategy'].options[:default_callback_url] = Rails.configuration.gl_callback_url
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# This is only used in the old launcher and should eventually be removed
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env['omniauth.strategy'].options[:checksum] = generate_checksum(user_domain, customer_redirect_url,
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Rails.configuration.launcher_secret)
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when "google"
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set_hd(env, ENV['GOOGLE_OAUTH2_HD'])
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when "office365"
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set_hd(env, ENV['OFFICE365_HD'])
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when "openid_connect"
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set_hd(env, ENV['OPENID_CONNECT_HD'])
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end
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end
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# Limits the domain that can be used with the provider
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def set_hd(env, hd)
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if hd
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hd_opts = hd.split(',')
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env['omniauth.strategy'].options[:hd] = if hd_opts.empty?
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nil
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elsif hd_opts.length == 1
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hd_opts[0]
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else
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hd_opts
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end
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end
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end
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# Parses the url for the user domain
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def parse_user_domain(hostname)
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return hostname.split('.').first if Rails.configuration.url_host.empty?
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Rails.configuration.url_host.split(',').each do |url_host|
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return hostname.chomp(url_host).chomp('.') if hostname.include?(url_host)
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end
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''
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end
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# Generates a checksum to use alongside the omniauth request
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def generate_checksum(user_domain, redirect_url, secret)
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string = user_domain + redirect_url + secret
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OpenSSL::Digest.digest('sha1', string).unpack1("H*")
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end
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end
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