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52 lines
1.6 KiB
52 lines
1.6 KiB
13 years ago
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class Domain < ActiveRecord::Base
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validate :domain_ownership
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def domain_ownership
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# non-TLD validation
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errors[:name] = "cannot be a TLD or a reserved domain" if Tld.include?(name)
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# If parent domain is on our system, the user be permitted to manage current domain.
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# He either owns parent, or is permitted to current domain or to an ancestor.
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if parent_domain.present? && !parent_domain.can_be_managed_by_current_user?
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@domain_ownership_failed = true
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errors[:name] = "issue, the parent domain `#{parent_domain.name}` is registered to another user"
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end
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end
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# If current user present authorize it
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# If current user not present, just allow (rake tasks etc)
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def can_be_managed_by_current_user?
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return true if User.current.nil?
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Ability::CRUD.all?{|operation| User.current.can?(operation, self)}
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end
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before_save do
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self.name_reversed = name.reverse if name_changed?
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end
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# Returns the first immediate parent, if exists (and caches the search)
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def parent_domain
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return nil if name.nil?
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@parent_domain ||= {}
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@parent_domain[name] ||= _parent_domain
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end
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def subdomains
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Domain.where(:name_reversed.matches => "#{name_reversed}.%")
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end
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protected
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# Returns the first immediate parent, if exists (does not cache the search)
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# For example "sub.sub.domain.com"'s parent might be "sub.domain.com" or "domain.com"
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def _parent_domain
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segments = name.split('.')
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while segments.size > 1
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segments.shift
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domain = Domain.find_by_name(segments.join('.'))
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return domain if domain.present?
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end
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return nil
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end
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end
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