53 lines
1.7 KiB
Ruby
53 lines
1.7 KiB
Ruby
# frozen_string_literal: true
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module RuboCop
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module Cop
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module Gitlab
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class FinderWithFindBy < RuboCop::Cop::Base
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extend RuboCop::Cop::AutoCorrector
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FIND_PATTERN = /\Afind(_by!?)?\z/.freeze
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ALLOWED_MODULES = ['FinderMethods'].freeze
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def message(used_method)
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<<~MSG
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Don't chain finders `#execute` method with `##{used_method}`.
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Instead include `FinderMethods` in the Finder and call `##{used_method}`
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directly on the finder instance.
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This will make sure all authorization checks are performed on the resource.
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MSG
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end
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def on_send(node)
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return unless find_on_execute?(node) && !allowed_module?(node)
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add_offense(node.loc.selector, message: message(node.method_name)) do |corrector|
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upto_including_execute = node.descendants.first.source_range
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before_execute = node.descendants[1].source_range
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range_to_remove = node.source_range
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.with(begin_pos: before_execute.end_pos,
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end_pos: upto_including_execute.end_pos)
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corrector.remove(range_to_remove)
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end
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end
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def find_on_execute?(node)
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chained_on_node = node.descendants.first
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node.method_name.to_s =~ FIND_PATTERN &&
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chained_on_node.is_a?(RuboCop::AST::SendNode) && chained_on_node.method_name == :execute
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end
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def allowed_module?(node)
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ALLOWED_MODULES.include?(node.parent_module_name)
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end
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def method_name_for_node(node)
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children[1].to_s
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end
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end
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end
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end
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end
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