37 lines
1.2 KiB
Ruby
37 lines
1.2 KiB
Ruby
#
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# Copyright (C) 2013 - present Instructure, Inc.
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#
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# This file is part of Canvas.
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#
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# Canvas is free software: you can redistribute it and/or modify it under
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# the terms of the GNU Affero General Public License as published by the Free
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# Software Foundation, version 3 of the License.
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#
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# Canvas 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
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# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Affero General Public License along
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# with this program. If not, see <http://www.gnu.org/licenses/>.
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require 'user_agent'
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class Browser < Struct.new(:browser, :version)
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def self.supported?(user_agent)
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user_agent = UserAgent.parse(user_agent)
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return false if minimum_browsers.any?{ |browser| user_agent < browser }
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true # if we don't recognize it (e.g. Android), be nice
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end
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def self.configuration
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@configuration ||= YAML.load_file(File.expand_path('../../config/browsers.yml', __FILE__))
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end
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def self.minimum_browsers
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@minimum_browsers ||= (configuration['minimums'] || []).
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map{ |browser, version| new(browser, version.to_s) }
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end
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end
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