instance method `ips_from`

Ruby on Rails 4.2.9

Since v3.2.22.5

Available in: v3.2.22.5 v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

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ips_from(header)

No documentation comment.

Parameters

header req

Source

# File actionpack/lib/action_dispatch/middleware/remote_ip.rb, line 149
      def ips_from(header)
        # Split the comma-separated list into an array of strings
        ips = @env[header] ? @env[header].strip.split(/[,\s]+/) : []
        ips.select do |ip|
          begin
            # Only return IPs that are valid according to the IPAddr#new method
            range = IPAddr.new(ip).to_range
            # we want to make sure nobody is sneaking a netmask in
            range.begin == range.end
          rescue ArgumentError
            nil
          end
        end
      end

Defined in actionpack/lib/action_dispatch/middleware/remote_ip.rb line 149 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActionDispatch::RemoteIp::GetIp

Signature

Parameters