Module: StillActive::HttpHelper

Extended by:
HttpHelper
Included in:
HttpHelper
Defined in:
lib/helpers/http_helper.rb

Constant Summary collapse

TRUSTED_HOSTS = 
["github.com", "gitlab.com", "api.deps.dev", "endoflife.date", "rubygems.pkg.github.com"].freeze
MAX_REDIRECTS = 
3

Instance Method Summary collapse

Instance Method Details

#get_json(base_uri, path, headers: {}, params: {}) ⇒ Object 



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# File 'lib/helpers/http_helper.rb', line 13

def get_json(base_uri, path, headers: {}, params: {})
  uri = base_uri.dup
  uri.path = path
  uri.query = URI.encode_www_form(params) unless params.empty?

  MAX_REDIRECTS.times do
    http = Net::HTTP.new(uri.host, uri.port)
    http.use_ssl = true
    http.open_timeout = 10
    http.read_timeout = 10

    request = Net::HTTP::Get.new(uri)
    headers.each { |key, value| request[key] = value }

    response = http.request(request)

    if response.is_a?(Net::HTTPRedirection)
      redirect_uri = uri + response["Location"]
      unless TRUSTED_HOSTS.include?(redirect_uri.host)
        $stderr.puts("warning: #{uri.host}#{uri.path} redirected to untrusted host #{redirect_uri.host}, skipping")
        return
      end
      $stderr.puts("warning: #{uri.host}#{uri.path} redirected to #{redirect_uri.host}#{redirect_uri.path} (stale metadata?)")
      headers = {} if redirect_uri.host != uri.host
      uri = redirect_uri
      next
    end

    unless response.is_a?(Net::HTTPSuccess)
      $stderr.puts("warning: #{uri.host}#{uri.path} returned HTTP #{response.code}") unless response.is_a?(Net::HTTPNotFound)
      return
    end

    return JSON.parse(response.body)
  end

  $stderr.puts("warning: #{uri.host}#{uri.path} too many redirects")
  nil
rescue Net::OpenTimeout, Net::ReadTimeout, SocketError, Errno::ECONNREFUSED, Errno::ECONNRESET => e
  $stderr.puts("warning: #{uri.host}#{uri.path} failed: #{e.class} (#{e.message})")
  nil
rescue JSON::ParserError => e
  $stderr.puts("warning: #{uri.host}#{uri.path} returned invalid JSON: #{e.message}")
  nil
end