20 lines
692 B
Ruby
20 lines
692 B
Ruby
# Validate format of URLs
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class UrlFormatValidator < ActiveModel::EachValidator
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# will be validated with active it if works
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# just do a fast and dirty check.
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def validate_each(record,attribute,value)
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return true if (value.blank? && options[:allow_blank])
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# http (optional s) :// domain . tld (optional port) / anything
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regexp = /^https?:\/\/[_a-z\d\-]+\.[._a-z\d\-]+(:\d+)?\/?.+/i
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unless value.match regexp
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record.errors.add(attribute, options[:message] || :invalid)
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end
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begin
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Addressable::URI.heuristic_parse(value)
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rescue Addressable::URI::InvalidURIError
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record.errors.add(attribute, options[:message] || :invalid)
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end
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end
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end
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