Class: Clickstream::Inspector

Inherits:
Object
  • Object
show all
Defined in:
lib/clickstream/inspector.rb

Instance Method Summary collapse

Constructor Details

#initialize(api_key, api_uri, crawlers, capture_crawlers, filter_params) ⇒ Inspector

Returns a new instance of Inspector.



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# File 'lib/clickstream/inspector.rb', line 8

def initialize(api_key, api_uri, crawlers, capture_crawlers, filter_params)
  @client = Clickstream::APIClient.new(api_key, api_uri)
  @crawlers, @capture_crawlers, @filter_params = crawlers, capture_crawlers, filter_params
  @hostname = Socket.gethostname
  @rg = Regexp.new(crawlers, Regexp::IGNORECASE)
end

Instance Method Details

#investigate(env, status, headers, body, start, stop, cookie, pid) ⇒ Object 



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# File 'lib/clickstream/inspector.rb', line 15

def investigate(env, status, headers, body, start, stop, cookie, pid)
  # Normalise request from env
  request = Rack::Request.new(env)
  # Don't capture bots traffic by default
  return unless @capture_crawlers || !request.user_agent.match(@rg)
  html = ''
  # in case of gzipping has been done by the app
  body.each { |part| html += Clickstream::Compressor.unzip(part, headers['Content-Encoding']) }
  request_headers = {}
  request.env.each { |key, value| request_headers[key.sub(/^HTTP_/, '').gsub(/_/, '-').downcase] = value if key.start_with? 'HTTP_'}
  params = request.params.clone || {}
  @filter_params.each {|param| params[param.to_s] = '[FILTERED]' if params[param.to_s]}
  session_opts = request.session_options.clone || {}
  session_opts.delete :secret
  data = {
      sid: cookie,
      pid: pid,
      hostname: @hostname,
      filter_params: @filter_params,
      request: {
          params: params,
          ip: request.ip,
          user_agent: request.user_agent,
          referer: request.referer,
          method: request.request_method,
          path: request.path, # script_name + path_info
          fullpath: request.fullpath, # "#{path}?#{query_string}"
          script_name: request.script_name,
          path_info: request.path_info,
          uri: request.env['REQUEST_URI'],
          querystring: request.query_string,
          scheme: request.scheme,
          host: request.host,
          port: request.port,
          url: request.url, # base_url + fullpath
          base_url: request.base_url, # scheme + host [+ port]
          content_type: request.content_type,
          content_charset: request.content_charset,
          media_type: request.media_type,
          media_type_params: request.media_type_params,
          protocol: request.env['HTTP_VERSION'],
          session: request.session,
          session_options: session_opts,
          cookies: request.cookies,
          path_parameters: request.env['action_dispatch.request.path_parameters'],
          headers: request_headers,
          xhr: request.xhr?
      },
      response: {
          status: status,
          headers: headers,
          size: html.length,
          body: html,
          start: start,
          stop: stop,
          time: stop-start
      }
  }
  # Send data to API
  @client.post_data data
end