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Prevent import of insanely large files
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@ -4,7 +4,15 @@ def parse_subscription_export_csv(csv_content : String)
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rows = CSV.new(csv_content, headers: true)
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subscriptions = Array(String).new
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# Counter to limit the amount of imports.
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# This is intended to prevent DoS.
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row_counter = 0
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rows.each do |row|
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# Limit to 1200
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row_counter += 1
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break if row_counter > 1_200
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# Channel ID is the first column in the csv export we can't use the header
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# name, because the header name is localized depending on the
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# language the user has set on their account
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