Flowdock
host_with_port() public

Returns a host:port string for this request, such as “example.com” or “example.com:8080”. Port is only included if it is not a default port (80 or 443)

req = ActionDispatch::Request.new 'HTTP_HOST' => 'example.com'
req.host_with_port # => "example.com"

req = ActionDispatch::Request.new 'HTTP_HOST' => 'example.com:80'
req.host_with_port # => "example.com"

req = ActionDispatch::Request.new 'HTTP_HOST' => 'example.com:8080'
req.host_with_port # => "example.com:8080"
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