added a class that will pull CNA organizationName and securityAdvisories

tools/cve_cna_security_advisories/cna_security_advisories.rb

@@ -0,0 +1,43 @@
+#!/usr/bin/env ruby
+# outputs the list of CNA organizationNames and the securityAdvisory urls from the json file here:
+# https://raw.githubusercontent.com/CVEProject/cve-website/dev/src/assets/data/CNAsList.json
+
+require 'json'
+require 'rest-client'
+
+class CnaSecurityAdvisories 
+  attr_accessor :url
+  def initialize
+    @url = 'https://raw.githubusercontent.com/CVEProject/cve-website/dev/src/assets/data/CNAsList.json'
+  end
+
+  def send_request_rest
+    RestClient::Request.execute(
+      method: :get,
+      url: url
+    )
+  end
+
+  def parse_res(response)
+    JSON.parse(response.body)
+  end
+
+  def get_json
+    res = send_request_rest
+    if res.code == 200
+      parse_res(res)
+    else
+      "HTTP Status: #{res.code}"
+    end
+  end
+
+  def perform
+    json = get_json
+    json.map do |d|
+      org_name = d.dig('organizationName')
+      security_advisories = d.dig('securityAdvisories')
+      security_advisory_urls = security_advisories.dig('advisories').map { |adv| adv.dig('url') }
+      { orgName: org_name, security_advisories_urls: security_advisory_urls }
+    end
+  end
+end