53 lines
1.3 KiB
Ruby
53 lines
1.3 KiB
Ruby
module Canvas
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class JWTWorkflow
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def initialize(&token_state)
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@token_state = token_state
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end
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def state_for(context, user)
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@token_state ? @token_state.call(context, user) : {}
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end
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def self.state_for(workflows, context, user)
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workflows.inject({}) do |memo, label|
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workflow = get(label)
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workflow ? memo.merge(workflow.state_for(context, user)) : memo
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end
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end
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def self.get(label)
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@workflows ? @workflows[label.to_sym] : nil
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end
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def self.register(label, &token_state)
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@workflows ||= {}
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@workflows[label.to_sym] = JWTWorkflow.new(&token_state)
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end
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# Register jwt token workflows with specific state requirments.
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#
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# - Try to keep workflow state in tokens to a minium. Remember this will be
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# passed around with every request in the service workflow.
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#
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register(:rich_content) do |context, user|
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{
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usage_rights_required: (
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context &&
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context.feature_enabled?(:usage_rights_required)
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) || false,
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can_upload_files: (
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user &&
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context &&
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context.grants_any_right?(user, :manage_files)
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) || false
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}
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end
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register(:ui) do |_, user|
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{
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use_high_contrast: user.try(:prefers_high_contrast?)
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}
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end
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end
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end
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