discourse/lib/spam_handler.rb

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# frozen_string_literal: true
class SpamHandler
def self.should_prevent_registration_from_ip?(ip_address)
return false if SiteSetting.max_new_accounts_per_registration_ip <= 0
tl2_plus_accounts_with_same_ip = User.where("trust_level >= ?", TrustLevel[2])
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.where(ip_address: ip_address.to_s)
.count
return false if tl2_plus_accounts_with_same_ip > 0
staff_user_ids = Group[:staff].user_ids - [-1]
staff_members_with_same_ip = User.where(id: staff_user_ids)
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.where(ip_address: ip_address.to_s)
.count
return false if staff_members_with_same_ip > 0
ip_whitelisted = ScreenedIpAddress.is_whitelisted?(ip_address)
return false if ip_whitelisted
tl0_accounts_with_same_ip = User.unscoped
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.where(trust_level: TrustLevel[0])
.where(ip_address: ip_address.to_s)
.count
tl0_accounts_with_same_ip >= SiteSetting.max_new_accounts_per_registration_ip
end
end