50 lines
1.6 KiB
Ruby
50 lines
1.6 KiB
Ruby
require_dependency 'screening_model'
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# A ScreenedIpAddress record represents an IP address or subnet that is being watched,
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# and possibly blocked from creating accounts.
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class ScreenedIpAddress < ActiveRecord::Base
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include ScreeningModel
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default_action :block
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validates :ip_address, ip_address_format: true, presence: true
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def self.watch(ip_address, opts={})
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match_for_ip_address(ip_address) || create(opts.slice(:action_type).merge(ip_address: ip_address))
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end
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# In Rails 4.0.0, validators are run to handle invalid assignments to inet columns (as they should).
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# In Rails 4.0.1, an exception is raised before validation happens, so we need this hack for
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# inet/cidr columns:
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def ip_address=(val)
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write_attribute(:ip_address, val)
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rescue IPAddr::InvalidAddressError
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self.errors.add(:ip_address, :invalid)
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end
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def self.match_for_ip_address(ip_address)
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# The <<= operator on inet columns means "is contained within or equal to".
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#
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# Read more about PostgreSQL's inet data type here:
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#
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# http://www.postgresql.org/docs/9.1/static/datatype-net-types.html
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# http://www.postgresql.org/docs/9.1/static/functions-net.html
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where("'#{ip_address.to_s}' <<= ip_address").first
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end
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def self.should_block?(ip_address)
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exists_for_ip_address_and_action?(ip_address, actions[:block])
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end
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def self.is_whitelisted?(ip_address)
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exists_for_ip_address_and_action?(ip_address, actions[:do_nothing])
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end
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def self.exists_for_ip_address_and_action?(ip_address, action_type)
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b = match_for_ip_address(ip_address)
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b.record_match! if b
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!!b and b.action_type == action_type
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end
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end
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