oauth-sign-url.rb

require 'oauth'

request = OAuth::RequestProxy.proxy(
             "method"      => 'GET',
             "uri"         => 'https://betastream.twitter.com/2b/user.json',
             "parameters"  => {
               "oauth_consumer_key"     => "******************",
               "oauth_token"            => "***-******************",
               "oauth_nonce"            => OAuth::Helper.generate_key,
               "oauth_timestamp"        => OAuth::Helper.generate_timestamp,
               "oauth_signature_method" => "HMAC-SHA1",
               "oauth_version"          => "1.0"
})
request.sign!(
            :consumer_secret => "******************",
            :token_secret    => "******************"
)
puts "URI: #{request.signed_uri}"