Current File : //opt/alt/ruby25/lib64/ruby/2.5.0/rubygems/request.rb
# frozen_string_literal: true
require 'net/http'
require 'thread'
require 'time'
require 'rubygems/user_interaction'
class Gem::Request
extend Gem::UserInteraction
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.verify_callback = proc do |preverify_ok, store_context|
verify_certificate store_context unless preverify_ok
preverify_ok
end
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
def self.verify_certificate store_context
depth = store_context.error_depth
error = store_context.error_string
number = store_context.error
cert = store_context.current_cert
ui.alert_error "SSL verification error at depth #{depth}: #{error} (#{number})"
extra_message = verify_certificate_message number, cert
ui.alert_error extra_message if extra_message
end
def self.verify_certificate_message error_number, cert
return unless cert
case error_number
when OpenSSL::X509::V_ERR_CERT_HAS_EXPIRED then
"Certificate #{cert.subject} expired at #{cert.not_after.iso8601}"
when OpenSSL::X509::V_ERR_CERT_NOT_YET_VALID then
"Certificate #{cert.subject} not valid until #{cert.not_before.iso8601}"
when OpenSSL::X509::V_ERR_CERT_REJECTED then
"Certificate #{cert.subject} is rejected"
when OpenSSL::X509::V_ERR_CERT_UNTRUSTED then
"Certificate #{cert.subject} is not trusted"
when OpenSSL::X509::V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT then
"Certificate #{cert.issuer} is not trusted"
when OpenSSL::X509::V_ERR_INVALID_CA then
"Certificate #{cert.subject} is an invalid CA certificate"
when OpenSSL::X509::V_ERR_INVALID_PURPOSE then
"Certificate #{cert.subject} has an invalid purpose"
when OpenSSL::X509::V_ERR_SELF_SIGNED_CERT_IN_CHAIN then
"Root certificate is not trusted (#{cert.subject})"
when OpenSSL::X509::V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY,
OpenSSL::X509::V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE then
"You must add #{cert.issuer} to your local trusted store"
end
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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