Class: Xray

Inherits:
Object
  • Object
show all
Defined in:
lib/fluent/plugin/xray.rb

Instance Method Summary collapse

Constructor Details

#initialize(jpd_url, username, api_key, token, wait_interval, batch_size, pos_file_path, router, tag) ⇒ Xray

Returns a new instance of Xray.



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# File 'lib/fluent/plugin/xray.rb', line 7

def initialize(jpd_url, username, api_key, token, wait_interval, batch_size, pos_file_path, router, tag)
  @jpd_url = jpd_url
  @username = username
  @api_key = api_key
  @token = token
  @wait_interval = wait_interval
  @batch_size = batch_size
  @pos_file_path = pos_file_path
  @router = router
  @tag = tag
end

Instance Method Details

#data_normalization(detailResp_json) ⇒ Object 



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# File 'lib/fluent/plugin/xray.rb', line 87

def data_normalization(detailResp_json)
  cve = []
  cvss_v2_list = []
  cvss_v3_list = []
  policy_list = []
  rule_list = []
  impacted_artifact_url_list = []
  if detailResp_json.key?('properties')
    properties = detailResp_json['properties']
    for index in 0..properties.length-1 do
      if properties[index].key?('cve')
        cve.push(properties[index]['cve'])
      end
      if properties[index].key?('cvss_v2')
        cvss_v2_list.push(properties[index]['cvss_v2'])
      end
      if properties[index].key?('cvss_v3')
        cvss_v3_list.push(properties[index]['cvss_v3'])
      end
    end

    detailResp_json["cve"] = cve.sort.reverse[0]
    cvss_v2 = cvss_v2_list.sort.reverse[0]
    cvss_v3 = cvss_v3_list.sort.reverse[0]
    if !cvss_v3.nil?
      cvss = cvss_v3
    elsif !cvss_v2.nil?
      cvss = cvss_v2
    end
    cvss_score = cvss[0..2]
    cvss_version = cvss.split(':')[1][0..2]
    detailResp_json["cvss_score"] = cvss_score
    detailResp_json["cvss_version"] = cvss_version
  end

  if detailResp_json.key?('matched_policies')
    matched_policies = detailResp_json['matched_policies']
    for index in 0..matched_policies.length-1 do
      if matched_policies[index].key?('policy')
        policy_list.push(matched_policies[index]['policy'])
      end
      if matched_policies[index].key?('rule')
        rule_list.push(matched_policies[index]['rule'])
      end
    end
    detailResp_json['policies'] = policy_list
    detailResp_json['rules'] = rule_list
  end

  detailResp_json['impacted_artifacts'].each do |impacted_artifact|
    matchdata = impacted_artifact.match /default\/(?<repo_name>[^\/]*)\/(?<path>.*)/
    impacted_artifact_url = matchdata['repo_name'] + ":" + matchdata['path'] + " "
    impacted_artifact_url_list.append(impacted_artifact_url)
  end
  detailResp_json['impacted_artifacts_url'] = impacted_artifact_url_list
  return detailResp_json
end

#get_violations_detail(xray_violation_detail_url) ⇒ Object 



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# File 'lib/fluent/plugin/xray.rb', line 60

def get_violations_detail(xray_violation_detail_url)
  if !@token.nil? && @token != ''
    response = RestClient::Request.new(
        :method => :get,
        :url => @jpd_url + xray_violation_detail_url[xray_violation_detail_url.index('/xray/'),xray_violation_detail_url.length],
        :headers => { :accept => :json, :content_type => :json, Authorization:'Bearer ' + @token }
    )
  elsif !@api_key.nil? && @api_key != ''
    response = RestClient::Request.new(
        :method => :get,
        :url => @jpd_url + xray_violation_detail_url[xray_violation_detail_url.index('/xray/'),xray_violation_detail_url.length],
        :user => @username,
        :password => @api_key
    )
  end

  response.execute do |response, request, result|
    case response.code
    when 200
      return JSON.parse(response.to_s)
    else
      puts "error: #{response.to_json}"
      raise Fluent::ConfigError, "Cannot reach Artifactory URL to pull Xray SIEM violations details."
    end
  end
end

#process(violation, violations_channel) ⇒ Object 



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# File 'lib/fluent/plugin/xray.rb', line 145

def process(violation, violations_channel)
  pos_file = PositionFile.new(@pos_file_path)
  violations_channel << violation unless pos_file.processed?(violation)
  violations_channel
end

#pull_violation_details(xray_violation_detail_url) ⇒ Object 



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# File 'lib/fluent/plugin/xray.rb', line 48

def pull_violation_details(xray_violation_detail_url)
  begin
    detailResp_json = data_normalization(get_violations_detail(xray_violation_detail_url))
    time = Fluent::Engine.now
    puts detailResp_json
    @router.emit(@tag, time, detailResp_json)
  rescue => e
    puts "error: #{e}"
    raise Fluent::ConfigError, "Error pulling violation details url #{xray_violation_detail_url}: #{e}"
  end
end

#violation_details(violations_channel) ⇒ Object 



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# File 'lib/fluent/plugin/xray.rb', line 38

def violation_details(violations_channel)
  violations_channel.each do |v|
    Concurrent::Promises.future(v) do |v|
      pull_violation_details(v['violation_details_url'])
      pos_file = PositionFile.new(@pos_file_path)
      pos_file.write(v)
    end
  end
end

#violations(date_since) ⇒ Object 



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# File 'lib/fluent/plugin/xray.rb', line 19

def violations(date_since)
  violations_channel = Concurrent::Channel.new(capacity: @batch_size)
  page_number = 1
  timer_task = Concurrent::TimerTask.new(execution_interval: @wait_interval, timeout_interval: 30) do
    xray_json = {"filters": { "created_from": date_since }, "pagination": {"order_by": "created","limit": @batch_size ,"offset": page_number } }
    resp = get_violations(xray_json)
    page_violation_count = resp['violations'].length
    puts "Total violations count is #{resp['total_violations']}"
    if resp['total_violations'] > 0
      puts "Number of Violations in page #{page_number} are #{page_violation_count}"
      resp['violations'].each {|v| violations_channel = process(v, violations_channel) }
      page_number += 1 if next_page?(page_violation_count)
    end
  end
  timer_task.execute

  violations_channel
end