90 lines
2.2 KiB
Ruby
90 lines
2.2 KiB
Ruby
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# frozen_string_literal: true
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module Gitlab
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module Search
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class Params
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include ActiveModel::Validations
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SEARCH_CHAR_LIMIT = 4096
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SEARCH_TERM_LIMIT = 64
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# Generic validation
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validates :query_string, length: { maximum: SEARCH_CHAR_LIMIT }
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validate :not_too_many_terms
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attr_reader :raw_params, :query_string, :abuse_detection
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alias_method :search, :query_string
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alias_method :term, :query_string
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def initialize(params, detect_abuse: true)
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@raw_params = params.is_a?(Hash) ? params.with_indifferent_access : params.dup
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@query_string = strip_surrounding_whitespace(@raw_params[:search] || @raw_params[:term])
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@detect_abuse = detect_abuse
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@abuse_detection = AbuseDetection.new(self) if @detect_abuse
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validate
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end
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def [](key)
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if respond_to? key
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# We have this logic here to support reading custom attributes
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# like @query_string
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#
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# This takes precedence over values in @raw_params
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public_send(key) # rubocop:disable GitlabSecurity/PublicSend
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else
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raw_params[key]
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end
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end
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def abusive?
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detect_abuse? && abuse_detection.errors.any?
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end
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def valid_query_length?
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return true unless errors.has_key? :query_string
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errors[:query_string].none? { |msg| msg.include? SEARCH_CHAR_LIMIT.to_s }
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end
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def valid_terms_count?
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return true unless errors.has_key? :query_string
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errors[:query_string].none? { |msg| msg.include? SEARCH_TERM_LIMIT.to_s }
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end
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def validate
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if detect_abuse?
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abuse_detection.validate
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end
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super
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end
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def valid?
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if detect_abuse?
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abuse_detection.valid? && super
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else
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super
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end
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end
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private
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def detect_abuse?
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@detect_abuse
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end
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def not_too_many_terms
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if query_string.split.count { |word| word.length >= 3 } > SEARCH_TERM_LIMIT
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errors.add :query_string, "has too many search terms (maximum is #{SEARCH_TERM_LIMIT})"
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end
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end
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def strip_surrounding_whitespace(obj)
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obj.to_s.strip
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end
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end
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end
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end
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