28 lines
864 B
Ruby
28 lines
864 B
Ruby
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module Carto
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class EmailDomainValidator
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def self.validate_domain(email, whitelisted_domains)
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user_domain = email.split('@')[1]
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return false unless user_domain
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user_domain_split = user_domain.split('.').reverse
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if whitelisted_domains.include?(user_domain)
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return true
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end
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whitelisted_domains.each do |whitelist_domain|
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whitelist_domain_split = whitelist_domain.split('.').reverse
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# We don't support this kind of wildcard: a.*.carto.com
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if whitelist_domain_split[-1] == '*'
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filter_result = true
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filter_result = whitelist_domain_split.each.with_index.reduce(filter_result) do |acc, (item, index)|
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acc & (item == '*' || item == user_domain_split[index])
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end
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return true if filter_result
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end
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end
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false
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end
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end
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end
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