62 lines
2.2 KiB
Ruby
62 lines
2.2 KiB
Ruby
# frozen_string_literal: true
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#
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# Copyright (C) 2011 - 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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#
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module Lti
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module AppUtil
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TOOL_DISPLAY_TEMPLATES = {
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'borderless' => {template: 'lti/unframed_launch', layout: 'borderless_lti'}.freeze,
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'full_width' => {template: 'lti/full_width_launch'}.freeze,
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'in_context' => {template: 'lti/framed_launch'}.freeze,
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'default' => {template: 'lti/framed_launch'}.freeze,
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'full_width_in_context' => {template: 'lti/full_width_in_context'}.freeze,
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}.freeze
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BLACKLIST_WILDCARD = '*'.freeze # to set up 'deny all' rules
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def self.display_template(display_type=nil, display_override:nil)
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unless TOOL_DISPLAY_TEMPLATES.key?(display_type)
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display_type = 'default'
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end
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if display_override
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if TOOL_DISPLAY_TEMPLATES.include?(display_override)
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display_type = display_override
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end
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end
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TOOL_DISPLAY_TEMPLATES[display_type].dup
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end
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def self.custom_params(raw_post)
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form_pairs = URI.decode_www_form(raw_post)
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form_pairs.each_with_object({}) do |(k,v), hash|
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captures = k.match(/^external_tool\[custom_fields\[(.*)\]\]/).try(:captures)
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hash[captures.first] = v if captures.present?
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end
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end
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def self.allowed?(candidate, whitelist, blacklist)
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return true if whitelist.blank? && blacklist.blank?
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return false if blacklist.present? && (blacklist.include?(candidate) || blacklist.include?(BLACKLIST_WILDCARD))
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whitelist.blank? || whitelist.include?(candidate)
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end
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end
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end
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