75 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Ruby
		
	
	
	
			
		
		
	
	
			75 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Ruby
		
	
	
	
# frozen_string_literal: true
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# This class is used as a proxy for all outbounding http connection
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# coming from callbacks, services and hooks. The direct use of the HTTParty
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# is discouraged because it can lead to several security problems, like SSRF
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# calling internal IP or services.
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module Gitlab
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  class HTTP
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    BlockedUrlError = Class.new(StandardError)
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    RedirectionTooDeep = Class.new(StandardError)
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    ReadTotalTimeout = Class.new(Net::ReadTimeout)
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    HTTP_TIMEOUT_ERRORS = [
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      Net::OpenTimeout, Net::ReadTimeout, Net::WriteTimeout, Gitlab::HTTP::ReadTotalTimeout
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    ].freeze
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    HTTP_ERRORS = HTTP_TIMEOUT_ERRORS + [
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      SocketError, OpenSSL::SSL::SSLError, OpenSSL::OpenSSLError,
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      Errno::ECONNRESET, Errno::ECONNREFUSED, Errno::EHOSTUNREACH,
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      Gitlab::HTTP::BlockedUrlError, Gitlab::HTTP::RedirectionTooDeep
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    ].freeze
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    DEFAULT_TIMEOUT_OPTIONS = {
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      open_timeout: 10,
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      read_timeout: 20,
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      write_timeout: 30
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    }.freeze
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    DEFAULT_READ_TOTAL_TIMEOUT = 20.seconds
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    include HTTParty # rubocop:disable Gitlab/HTTParty
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    class << self
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      alias_method :httparty_perform_request, :perform_request
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    end
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    connection_adapter HTTPConnectionAdapter
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    def self.perform_request(http_method, path, options, &block)
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      log_info = options.delete(:extra_log_info)
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      options_with_timeouts =
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        if !options.has_key?(:timeout)
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          options.with_defaults(DEFAULT_TIMEOUT_OPTIONS)
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        else
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          options
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        end
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      unless options.has_key?(:use_read_total_timeout)
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        return httparty_perform_request(http_method, path, options_with_timeouts, &block)
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      end
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      start_time = Gitlab::Metrics::System.monotonic_time
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      read_total_timeout = options.fetch(:timeout, DEFAULT_READ_TOTAL_TIMEOUT)
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      httparty_perform_request(http_method, path, options_with_timeouts) do |fragment|
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        elapsed = Gitlab::Metrics::System.monotonic_time - start_time
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        raise ReadTotalTimeout, "Request timed out after #{elapsed} seconds" if elapsed > read_total_timeout
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        block.call fragment if block
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      end
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    rescue HTTParty::RedirectionTooDeep
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      raise RedirectionTooDeep
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    rescue *HTTP_ERRORS => e
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      extra_info = log_info || {}
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      extra_info = log_info.call(e, path, options) if log_info.respond_to?(:call)
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      Gitlab::ErrorTracking.log_exception(e, extra_info)
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      raise e
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    end
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    def self.try_get(path, options = {}, &block)
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      self.get(path, options, &block)
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    rescue *HTTP_ERRORS
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      nil
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    end
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  end
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end
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