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Edit File : request.rb \| Size : 6.89 KB
# frozen_string_literal: true require 'net/http' require 'thread' require 'time' require 'rubygems/user_interaction' class Gem::Request include Gem::UserInteraction ### # Legacy. This is used in tests. def self.create_with_proxy uri, request_class, last_modified, proxy # :nodoc: cert_files = get_cert_files proxy \|\|= get_proxy_from_env(uri.scheme) pool = ConnectionPools.new proxy_uri(proxy), cert_files new(uri, request_class, last_modified, pool.pool_for(uri)) end def self.proxy_uri proxy # :nodoc: case proxy when :no_proxy then nil when URI::HTTP then proxy else URI.parse(proxy) end end def initialize(uri, request_class, last_modified, pool) @uri = uri @request_class = request_class @last_modified = last_modified @requests = Hash.new 0 @user_agent = user_agent @connection_pool = pool end def proxy_uri; @connection_pool.proxy_uri; end def cert_files; @connection_pool.cert_files; end def self.get_cert_files pattern = File.expand_path("./ssl_certs/*.pem", File.dirname(__FILE__)) Dir.glob(pattern) end def self.configure_connection_for_https(connection, cert_files) require 'net/https' connection.use_ssl = true connection.verify_mode = Gem.configuration.ssl_verify_mode \|\| OpenSSL::SSL::VERIFY_PEER store = OpenSSL::X509::Store.new if Gem.configuration.ssl_client_cert then pem = File.read Gem.configuration.ssl_client_cert connection.cert = OpenSSL::X509::Certificate.new pem connection.key = OpenSSL::PKey::RSA.new pem end store.set_default_paths cert_files.each do \|ssl_cert_file\| store.add_file ssl_cert_file end if Gem.configuration.ssl_ca_cert if File.directory? Gem.configuration.ssl_ca_cert store.add_path Gem.configuration.ssl_ca_cert else store.add_file Gem.configuration.ssl_ca_cert end end connection.cert_store = store connection rescue LoadError => e raise unless (e.respond_to?(:path) && e.path == 'openssl') \|\| e.message =~ / -- openssl$/ raise Gem::Exception.new( 'Unable to require openssl, install OpenSSL and rebuild ruby (preferred) or use non-HTTPS sources') end ## # Creates or an HTTP connection based on +uri+, or retrieves an existing # connection, using a proxy if needed. def connection_for(uri) @connection_pool.checkout rescue defined?(OpenSSL::SSL) ? OpenSSL::SSL::SSLError : Errno::EHOSTDOWN, Errno::EHOSTDOWN => e raise Gem::RemoteFetcher::FetchError.new(e.message, uri) end def fetch request = @request_class.new @uri.request_uri unless @uri.nil? \|\| @uri.user.nil? \|\| @uri.user.empty? then request.basic_auth Gem::UriFormatter.new(@uri.user).unescape, Gem::UriFormatter.new(@uri.password).unescape end request.add_field 'User-Agent', @user_agent request.add_field 'Connection', 'keep-alive' request.add_field 'Keep-Alive', '30' if @last_modified then request.add_field 'If-Modified-Since', @last_modified.httpdate end yield request if block_given? perform_request request end ## # Returns a proxy URI for the given +scheme+ if one is set in the # environment variables. def self.get_proxy_from_env scheme = 'http' _scheme = scheme.downcase _SCHEME = scheme.upcase env_proxy = ENV["#{_scheme}_proxy"] \|\| ENV["#{_SCHEME}_PROXY"] no_env_proxy = env_proxy.nil? \|\| env_proxy.empty? return get_proxy_from_env 'http' if no_env_proxy and _scheme != 'http' return :no_proxy if no_env_proxy uri = URI(Gem::UriFormatter.new(env_proxy).normalize) if uri and uri.user.nil? and uri.password.nil? then user = ENV["#{_scheme}_proxy_user"] \|\| ENV["#{_SCHEME}_PROXY_USER"] password = ENV["#{_scheme}_proxy_pass"] \|\| ENV["#{_SCHEME}_PROXY_PASS"] uri.user = Gem::UriFormatter.new(user).escape uri.password = Gem::UriFormatter.new(password).escape end uri end def perform_request request # :nodoc: connection = connection_for @uri retried = false bad_response = false begin @requests[connection.object_id] += 1 verbose "#{request.method} #{@uri}" file_name = File.basename(@uri.path) # perform download progress reporter only for gems if request.response_body_permitted? && file_name =~ /\.gem$/ reporter = ui.download_reporter response = connection.request(request) do \|incomplete_response\| if Net::HTTPOK === incomplete_response reporter.fetch(file_name, incomplete_response.content_length) downloaded = 0 data = String.new incomplete_response.read_body do \|segment\| data << segment downloaded += segment.length reporter.update(downloaded) end reporter.done if incomplete_response.respond_to? :body= incomplete_response.body = data else incomplete_response.instance_variable_set(:@body, data) end end end else response = connection.request request end verbose "#{response.code} #{response.message}" rescue Net::HTTPBadResponse verbose "bad response" reset connection raise Gem::RemoteFetcher::FetchError.new('too many bad responses', @uri) if bad_response bad_response = true retry rescue Net::HTTPFatalError verbose "fatal error" raise Gem::RemoteFetcher::FetchError.new('fatal error', @uri) # HACK work around EOFError bug in Net::HTTP # NOTE Errno::ECONNABORTED raised a lot on Windows, and make impossible # to install gems. rescue EOFError, Timeout::Error, Errno::ECONNABORTED, Errno::ECONNRESET, Errno::EPIPE requests = @requests[connection.object_id] verbose "connection reset after #{requests} requests, retrying" raise Gem::RemoteFetcher::FetchError.new('too many connection resets', @uri) if retried reset connection retried = true retry end response ensure @connection_pool.checkin connection end ## # Resets HTTP connection +connection+. def reset(connection) @requests.delete connection.object_id connection.finish connection.start end def user_agent ua = "RubyGems/#{Gem::VERSION} #{Gem::Platform.local}".dup ruby_version = RUBY_VERSION ruby_version += 'dev' if RUBY_PATCHLEVEL == -1 ua << " Ruby/#{ruby_version} (#{RUBY_RELEASE_DATE}" if RUBY_PATCHLEVEL >= 0 then ua << " patchlevel #{RUBY_PATCHLEVEL}" elsif defined?(RUBY_REVISION) then ua << " revision #{RUBY_REVISION}" end ua << ")" ua << " #{RUBY_ENGINE}" if defined?(RUBY_ENGINE) and RUBY_ENGINE != 'ruby' ua end end require 'rubygems/request/http_pool' require 'rubygems/request/https_pool' require 'rubygems/request/connection_pools' Back

Edit File : request.rb | Size : 6.89 KB

# frozen_string_literal: true
require 'net/http'
require 'thread'
require 'time'
require 'rubygems/user_interaction'

class Gem::Request

include Gem::UserInteraction

###
  # Legacy.  This is used in tests.
  def self.create_with_proxy uri, request_class, last_modified, proxy # :nodoc:
    cert_files = get_cert_files
    proxy ||= get_proxy_from_env(uri.scheme)
    pool       = ConnectionPools.new proxy_uri(proxy), cert_files

new(uri, request_class, last_modified, pool.pool_for(uri))
  end

def self.proxy_uri proxy # :nodoc:
    case proxy
    when :no_proxy then nil
    when URI::HTTP then proxy
    else URI.parse(proxy)
    end
  end

def initialize(uri, request_class, last_modified, pool)
    @uri = uri
    @request_class = request_class
    @last_modified = last_modified
    @requests = Hash.new 0
    @user_agent = user_agent

@connection_pool = pool
  end

def proxy_uri; @connection_pool.proxy_uri; end
  def cert_files; @connection_pool.cert_files; end

def self.get_cert_files
    pattern = File.expand_path("./ssl_certs/*.pem", File.dirname(__FILE__))
    Dir.glob(pattern)
  end

def self.configure_connection_for_https(connection, cert_files)
    require 'net/https'
    connection.use_ssl = true
    connection.verify_mode =
      Gem.configuration.ssl_verify_mode || OpenSSL::SSL::VERIFY_PEER
    store = OpenSSL::X509::Store.new

if Gem.configuration.ssl_client_cert then
      pem = File.read Gem.configuration.ssl_client_cert
      connection.cert = OpenSSL::X509::Certificate.new pem
      connection.key = OpenSSL::PKey::RSA.new pem
    end

store.set_default_paths
    cert_files.each do |ssl_cert_file|
      store.add_file ssl_cert_file
    end
    if Gem.configuration.ssl_ca_cert
      if File.directory? Gem.configuration.ssl_ca_cert
        store.add_path Gem.configuration.ssl_ca_cert
      else
        store.add_file Gem.configuration.ssl_ca_cert
      end
    end
    connection.cert_store = store
    connection
  rescue LoadError => e
    raise unless (e.respond_to?(:path) && e.path == 'openssl') ||
                 e.message =~ / -- openssl$/

raise Gem::Exception.new(
            'Unable to require openssl, install OpenSSL and rebuild ruby (preferred) or use non-HTTPS sources')
  end

##
  # Creates or an HTTP connection based on +uri+, or retrieves an existing
  # connection, using a proxy if needed.

def connection_for(uri)
    @connection_pool.checkout
  rescue defined?(OpenSSL::SSL) ? OpenSSL::SSL::SSLError : Errno::EHOSTDOWN,
         Errno::EHOSTDOWN => e
    raise Gem::RemoteFetcher::FetchError.new(e.message, uri)
  end

def fetch
    request = @request_class.new @uri.request_uri

unless @uri.nil? || @uri.user.nil? || @uri.user.empty? then
      request.basic_auth Gem::UriFormatter.new(@uri.user).unescape,
                         Gem::UriFormatter.new(@uri.password).unescape
    end

request.add_field 'User-Agent', @user_agent
    request.add_field 'Connection', 'keep-alive'
    request.add_field 'Keep-Alive', '30'

if @last_modified then
      request.add_field 'If-Modified-Since', @last_modified.httpdate
    end

yield request if block_given?

perform_request request
  end

##
  # Returns a proxy URI for the given +scheme+ if one is set in the
  # environment variables.

def self.get_proxy_from_env scheme = 'http'
    _scheme = scheme.downcase
    _SCHEME = scheme.upcase
    env_proxy = ENV["#{_scheme}_proxy"] || ENV["#{_SCHEME}_PROXY"]

no_env_proxy = env_proxy.nil? || env_proxy.empty?

return get_proxy_from_env 'http' if no_env_proxy and _scheme != 'http'
    return :no_proxy                 if no_env_proxy

uri = URI(Gem::UriFormatter.new(env_proxy).normalize)

if uri and uri.user.nil? and uri.password.nil? then
      user     = ENV["#{_scheme}_proxy_user"] || ENV["#{_SCHEME}_PROXY_USER"]
      password = ENV["#{_scheme}_proxy_pass"] || ENV["#{_SCHEME}_PROXY_PASS"]

uri.user     = Gem::UriFormatter.new(user).escape
      uri.password = Gem::UriFormatter.new(password).escape
    end

uri
  end

def perform_request request # :nodoc:
    connection = connection_for @uri

retried = false
    bad_response = false

begin
      @requests[connection.object_id] += 1

verbose "#{request.method} #{@uri}"

file_name = File.basename(@uri.path)
      # perform download progress reporter only for gems
      if request.response_body_permitted? && file_name =~ /\.gem$/
        reporter = ui.download_reporter
        response = connection.request(request) do |incomplete_response|
          if Net::HTTPOK === incomplete_response
            reporter.fetch(file_name, incomplete_response.content_length)
            downloaded = 0
            data = String.new

incomplete_response.read_body do |segment|
              data << segment
              downloaded += segment.length
              reporter.update(downloaded)
            end
            reporter.done
            if incomplete_response.respond_to? :body=
              incomplete_response.body = data
            else
              incomplete_response.instance_variable_set(:@body, data)
            end
          end
        end
      else
        response = connection.request request
      end

verbose "#{response.code} #{response.message}"

rescue Net::HTTPBadResponse
      verbose "bad response"

reset connection

raise Gem::RemoteFetcher::FetchError.new('too many bad responses', @uri) if bad_response

bad_response = true
      retry
    rescue Net::HTTPFatalError
      verbose "fatal error"

raise Gem::RemoteFetcher::FetchError.new('fatal error', @uri)
    # HACK work around EOFError bug in Net::HTTP
    # NOTE Errno::ECONNABORTED raised a lot on Windows, and make impossible
    # to install gems.
    rescue EOFError, Timeout::Error,
           Errno::ECONNABORTED, Errno::ECONNRESET, Errno::EPIPE

requests = @requests[connection.object_id]
      verbose "connection reset after #{requests} requests, retrying"

raise Gem::RemoteFetcher::FetchError.new('too many connection resets', @uri) if retried

reset connection

retried = true
      retry
    end

response
  ensure
    @connection_pool.checkin connection
  end

##
  # Resets HTTP connection +connection+.

def reset(connection)
    @requests.delete connection.object_id

connection.finish
    connection.start
  end

def user_agent
    ua = "RubyGems/#{Gem::VERSION} #{Gem::Platform.local}".dup

ruby_version = RUBY_VERSION
    ruby_version += 'dev' if RUBY_PATCHLEVEL == -1

ua << " Ruby/#{ruby_version} (#{RUBY_RELEASE_DATE}"
    if RUBY_PATCHLEVEL >= 0 then
      ua << " patchlevel #{RUBY_PATCHLEVEL}"
    elsif defined?(RUBY_REVISION) then
      ua << " revision #{RUBY_REVISION}"
    end
    ua << ")"

ua << " #{RUBY_ENGINE}" if defined?(RUBY_ENGINE) and RUBY_ENGINE != 'ruby'

ua
  end

end

require 'rubygems/request/http_pool'
require 'rubygems/request/https_pool'
require 'rubygems/request/connection_pools'

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