TradeStation OAuth2 Auth Code tester

oauth2-authcode.sh

#!/bin/bash
######################################################
# Stolen & Modified by Lance Hunt
# Author: Unknown
#
# Please let me know who the righful author is so I 
# can give due credit
######################################################

echo '* Installing oauth2 Ruby gem'
gem install oauth2
echo '* Done installing oauth2 gem'
echo ''

apikey='********-****-****-****-************'
echo '* Enter your API Key:'
read apikey

apisecret='********-****-****-****-************'
echo '* Enter your API secret:'
read apisecret

site='https://api.tradestation.com'
echo '* Enter the OAuth2 site: (e.g. https://api.tradestation.com):'
read site
site=${site:-https://api.tradestation.com}
echo $site

authorizeurl='/v2/authorize/'
echo '* Enter the OAuth2 Authorize path: (e.g. /v2/authorize):'
read authorizeurl
authorizeurl=${authorizeurl:-/v2/authorize}
echo $authorizeurl

tokenurl='/v2/security/authorize/'
echo '* Enter the OAuth2 Token site: (e.g. /v2/security/authorize/):'
read tokenurl
tokenurl=${tokenurl:-/v2/security/authorize/}
echo $tokenurl

redirecturi='https://www.tradestation.com'
echo '* Enter the OAuth2 Redirect URI: (e.g. https://www.tradestation.com)'
read redirecturi
redirecturi=${redirecturi:-https://www.tradestation.com}
echo $redirecturi

authorize_url=`ruby -r oauth2 -e "puts OAuth2::Client.new(\"$apikey\", \"$apisecret\", :site=>\"$site\", :authorize_url=>\"$authorizeurl\", :token_url=>\"$tokenurl\").auth_code.authorize_url(:redirect_uri => \"$redirecturi\")"`

echo ''
echo "* You are about to be redirected to $site/$authorize_url"
echo ''

echo "***After authorizing, you'll be brought to $redirecturi.  Copy the value from the 'code' querystring parameter in the URL you're redirected to (after 'code=') and paste below when prompted.***"
echo ''
echo '* Press ENTER to proceed!'
read
open $authorize_url

echo '* Enter your authorization code from the previous step:'
read auth_code
unescaped=`ruby -r cgi -e "puts CGI.unescape(\"$auth_code\")"`
#echo $unescaped

token=`ruby -r oauth2 -e "puts OAuth2::Client.new(\"$apikey\", \"$apisecret\", :site=>\"$site\", :authorize_url=>\"$authorizeurl\", :token_url=>\"$tokenurl\").auth_code.get_token('$escaped', :redirect_uri => \"$redirecturi\").token"`

echo ''
echo 'Your OAuth2 token is: '
echo $token