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# frozen_string_literal: true
module SearchRateLimitable
extend ActiveSupport::Concern
private
def check_search_rate_limit!
if current_user
# Because every search in the UI typically runs concurrent searches with different
# scopes to get counts, we apply rate limits on the search scope if it is present.
#
# If abusive search is detected, we have stricter limits and ignore the search scope.
check_rate_limit!(:search_rate_limit, scope: [current_user, safe_search_scope].compact,
users_allowlist: Gitlab::CurrentSettings.current_application_settings.search_rate_limit_allowlist)
else
check_rate_limit!(:search_rate_limit_unauthenticated, scope: [request.ip])
end
end
def safe_search_scope
# Sometimes search scope can have abusive length or invalid keyword. We don't want
# to send those to redis for rate limit checks, so we guard against that here.
params[:scope] unless abuse_detected?
end
def abuse_detected?
Gitlab::Search::Params.new(params, detect_abuse: true).abusive?
end
end
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