Error trying to sign get Net::HTTP to POST to a HTTPS URL through a proxy.

curl_example.sh

jdeen@iMac:/Volumes/Dev/Work/Edge/edge|ziyan/edg-158-transaction-authorisations-through-vgs⚡
⇒  curl https://eoftqqzi7ii7mmn.m.pipedream.net -vvv --cacert lib/vgs/certs/sandbox.pem \
  -x https://$HTTPS_PROXY_USERNAME:$HTTPS_PROXY_PASSWORD@tnttla0t7dc.sandbox.verygoodproxy.com:8443 \
  -H "Content-type: application/json" \
  -d '{
    "card_cvc": "tok_sandbox_sXTRFEQqsidYhF6uwW1w9r",
    "card_exp": "10/25",
    "card_number": "tok_sandbox_uQPorT8AJ5g4e3727Q93bm"
  }'

*   Trying 3.215.240.222:8443...
* Connected to tnttla0t7dc.sandbox.verygoodproxy.com (3.215.240.222) port 8443 (#0)
* ALPN, offering http/1.1
* successfully set certificate verify locations:
*  CAfile: /Volumes/Dev/Applications/anaconda3/ssl/cacert.pem
*  CApath: none
* TLSv1.3 (OUT), TLS handshake, Client hello (1):
* TLSv1.3 (IN), TLS handshake, Server hello (2):
* TLSv1.3 (IN), TLS handshake, Encrypted Extensions (8):
* TLSv1.3 (IN), TLS handshake, Certificate (11):
* TLSv1.3 (IN), TLS handshake, CERT verify (15):
* TLSv1.3 (IN), TLS handshake, Finished (20):
* TLSv1.3 (OUT), TLS change cipher, Change cipher spec (1):
* TLSv1.3 (OUT), TLS handshake, Finished (20):
* SSL connection using TLSv1.3 / TLS_AES_256_GCM_SHA384
* ALPN, server did not agree to a protocol
* Proxy certificate:
*  subject: CN=*.reverse.sandbox.verygoodproxy.com
*  start date: Jun  3 10:07:08 2022 GMT
*  expire date: Sep  1 10:07:07 2022 GMT
*  subjectAltName: host "tnttla0t7dc.sandbox.verygoodproxy.com" matched cert's "*.sandbox.verygoodproxy.com"
*  issuer: C=US; O=Let's Encrypt; CN=R3
*  SSL certificate verify ok.
* allocate connect buffer!
* Establish HTTP proxy tunnel to eoftqqzi7ii7mmn.m.pipedream.net:443
* Proxy auth using Basic with user 'USw9hbQ1PRht6Qu3aYGzgdNj'
> CONNECT eoftqqzi7ii7mmn.m.pipedream.net:443 HTTP/1.1
> Host: eoftqqzi7ii7mmn.m.pipedream.net:443
> Proxy-Authorization: Basic VVN3OWhiUTFQUmh0NlF1M2FZR3pnZE5qOmYxZjRmY2RmLTFhN2ItNDdhZS1iMDU1LTNhOGRhNWYwNmQyMA==
> User-Agent: curl/7.78.0
> Proxy-Connection: Keep-Alive
>
* TLSv1.3 (IN), TLS handshake, Newsession Ticket (4):
* TLSv1.3 (IN), TLS handshake, Newsession Ticket (4):
< HTTP/1.1 200 Connection established
< Connection: keep-alive
< Via: 1.1 forward-proxy-02-58557d979c-r4bmk
<
* Proxy replied 200 to CONNECT request
* CONNECT phase completed!
* ALPN, offering h2
* ALPN, offering http/1.1
* successfully set certificate verify locations:
*  CAfile: lib/vgs/certs/sandbox.pem
*  CApath: none
* TLSv1.3 (OUT), TLS handshake, Client hello (1):
* TLSv1.3 (IN), TLS handshake, Server hello (2):
* TLSv1.3 (OUT), TLS change cipher, Change cipher spec (1):
* TLSv1.3 (OUT), TLS handshake, Client hello (1):
* TLSv1.3 (IN), TLS handshake, Server hello (2):
* TLSv1.3 (IN), TLS handshake, Encrypted Extensions (8):
* TLSv1.3 (IN), TLS handshake, Certificate (11):
* TLSv1.3 (IN), TLS handshake, CERT verify (15):
* TLSv1.3 (IN), TLS handshake, Finished (20):
* TLSv1.3 (OUT), TLS handshake, Finished (20):
* SSL connection using TLSv1.3 / TLS_AES_256_GCM_SHA384
* ALPN, server did not agree to a protocol
* Server certificate:
*  subject: CN=*.m.pipedream.net; O=Very Good Security, Inc.; OU=Very Good Security SecOps Team
*  start date: Jun  2 09:36:08 2021 GMT
*  expire date: Jun  7 19:43:56 2022 GMT
*  subjectAltName: host "eoftqqzi7ii7mmn.m.pipedream.net" matched cert's "*.m.pipedream.net"
*  issuer: CN=*.sandbox.verygoodproxy.com; O=Very Good Security, Inc.; OU=Very Good Security - Engineering Team
*  SSL certificate verify ok.
> POST / HTTP/1.1
> Host: eoftqqzi7ii7mmn.m.pipedream.net
> User-Agent: curl/7.78.0
> Accept: */*
> Content-type: application/json
> Content-Length: 140
>
* TLSv1.3 (IN), TLS handshake, Newsession Ticket (4):
* Mark bundle as not supporting multiuse
< HTTP/1.1 200 OK
< Date: Mon, 06 Jun 2022 19:44:00 GMT
< Content-Type: application/json; charset=utf-8
< X-Powered-By: Express
< Access-Control-Allow-Origin: *
< Via: 1.1 forward-proxy-02-58557d979c-r4bmk
< content-length: 407
< VGS-Request-Id: 3720b1bc04b71ed270195fbfcb215996
<
* Connection #0 to host tnttla0t7dc.sandbox.verygoodproxy.com left intact
{"about":"Pipedream is the fastest way to connects APIs. Build and run workflows with code-level control when you need it — and no code when you don't.","event_id":"2ADWSa5wwoYR8a0eurqnV2CQ56N","workflow_id":"p_k2CaPGL","owner_id":"u_1jh7vQ","deployment_id":"d_b4semqvy","timestamp":"2022-06-06T19:43:56.911Z","inspect":"https://pipedream.com/@/p_k2CaPGL","quickstart":"https://pipedream.com/quickstart/"}%
jdeen@iMac:/Volumes/Dev/Work/Edge/edge|ziyan/edg-158-transaction-authorisations-through-vgs⚡

net_http_example.rb

require 'net/http'
require 'uri'
require 'json'

uri = URI.parse('https://eoftqqzi7ii7mmn.m.pipedream.net')

http = Net::HTTP.new(
  uri.host,
  uri.port,
  'tnttla0t7dc.sandbox.verygoodproxy.com',
  '8443',
  '[USERNAME]',
  '[PASSWORD]'
)

http.use_ssl = true
http.ssl_version = :TLSv1_2
http.verify_mode = OpenSSL::SSL::VERIFY_PEER
http.ca_file = '/Volumes/Dev/Work/Edge/edge/lib/vgs/certs/sandbox.pem'
http.set_debug_output $stderr

request = Net::HTTP::Post.new(uri.request_uri)

request.body = {
  card_number: 'tok_sandbox_sS27yztTZjuznHD1hmtgCS',
  card_cvc: 'tok_sandbox_241N1r8hxoYDyqrUSmZ4ih',
  card_expiration_date: '2212',
  transaction_amount: 84.0
}.to_json

response = http.request(request)
pp response

net_http_exaple_output.txt

opening connection to tnttla0t7dc.sandbox.verygoodproxy.com:8443...
opened
<- "CONNECT eoftqqzi7ii7mmn.m.pipedream.net:443 HTTP/1.1\r\nHost: eoftqqzi7ii7mmn.m.pipedream.net:443\r\nProxy-Authorization: Basic VVN3OWhiUTFQUmh0NlF1M2FZR3pnZE5qOmYxZjRmY2RmLTFhN2ItNDdhZS1iMDU1LTNhOGRhNWYwNmQyMA==\r\n\r\n"
Conn close because of connect error end of file reached
Uncaught exception: end of file reached
	/Users/jdeen/.rvm/gems/ruby-3.1.1/gems/net-protocol-0.1.3/lib/net/protocol.rb:227:in `rbuf_fill'
	/Users/jdeen/.rvm/gems/ruby-3.1.1/gems/net-protocol-0.1.3/lib/net/protocol.rb:193:in `readuntil'
	/Users/jdeen/.rvm/gems/ruby-3.1.1/gems/net-protocol-0.1.3/lib/net/protocol.rb:203:in `readline'
	/Users/jdeen/.rvm/rubies/ruby-3.1.1/lib/ruby/3.1.0/net/http/response.rb:42:in `read_status_line'
	/Users/jdeen/.rvm/rubies/ruby-3.1.1/lib/ruby/3.1.0/net/http/response.rb:31:in `read_new'
	/Users/jdeen/.rvm/rubies/ruby-3.1.1/lib/ruby/3.1.0/net/http.rb:1020:in `connect'
	/Users/jdeen/.rvm/rubies/ruby-3.1.1/lib/ruby/3.1.0/net/http.rb:976:in `do_start'
	/Users/jdeen/.rvm/rubies/ruby-3.1.1/lib/ruby/3.1.0/net/http.rb:965:in `start'
	/Users/jdeen/.rvm/rubies/ruby-3.1.1/lib/ruby/3.1.0/net/http.rb:1530:in `request'
	/Volumes/Dev/Work/Edge/edge/test.rb:31:in `<top (required)>'
	/Users/jdeen/.rvm/gems/ruby-3.1.1/bin/rdebug-ide:25:in `load'
	/Users/jdeen/.rvm/gems/ruby-3.1.1/bin/rdebug-ide:25:in `<main>'
	/Users/jdeen/.rvm/gems/ruby-3.1.1/bin/ruby_executable_hooks:22:in `eval'
	/Users/jdeen/.rvm/gems/ruby-3.1.1/bin/ruby_executable_hooks:22:in `<main>'