0UT1S's

opt/alt/ruby26/lib64/ruby/2.6.0/rubygems/

By Order of Mr.0UT1S

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[DIR] request_set

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[DIR] ssl_certs

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available_set.rb

3.02 KB

basic_specification.rb

7.34 KB

bundler_version_finder.rb

2.78 KB

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command_manager.rb

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compatibility.rb

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dependency_installer.rb

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dependency_list.rb

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gemcutter_utilities.rb

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install_default_message.rb

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install_message.rb

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install_update_options.rb

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installer_test_case.rb

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local_remote_options.rb

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package_task.rb

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path_support.rb

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psych_additions.rb

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remote_fetcher.rb

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security_option.rb

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source_local.rb

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source_specific_file.rb

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spec_fetcher.rb

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specification.rb

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specification_policy.rb

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stub_specification.rb

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test_utilities.rb

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uri_formatter.rb

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user_interaction.rb

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version_option.rb

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# frozen_string_literal: true
#--
# Copyright 2006 by Chad Fowler, Rich Kilmer, Jim Weirich and others.
# All rights reserved.
# See LICENSE.txt for permissions.
#++

require 'rubygems/package'
require 'rubygems/installer'

##
# Validator performs various gem file and gem database validation

class Gem::Validator

include Gem::UserInteraction

def initialize # :nodoc:
    require 'find'
  end

##
  # Given a gem file's contents, validates against its own MD5 checksum
  # gem_data:: [String] Contents of the gem file

def verify_gem(gem_data)
    # TODO remove me? The code here only validate an MD5SUM that was
    # in some old formatted gems, but hasn't been for a long time.
  end

##
  # Given the path to a gem file, validates against its own MD5 checksum
  #
  # gem_path:: [String] Path to gem file

def verify_gem_file(gem_path)
    File.open gem_path, Gem.binary_mode do |file|
      gem_data = file.read
      verify_gem gem_data
    end
  rescue Errno::ENOENT, Errno::EINVAL
    raise Gem::VerificationError, "missing gem file #{gem_path}"
  end

private

def find_files_for_gem(gem_directory)
    installed_files = []

Find.find gem_directory do |file_name|
      fn = file_name[gem_directory.size..file_name.size-1].sub(/^\//, "")
      installed_files << fn unless
        fn =~ /CVS/ || fn.empty? || File.directory?(file_name)
    end

installed_files
  end

public

##
  # Describes a problem with a file in a gem.

ErrorData = Struct.new :path, :problem do
    def <=>(other) # :nodoc:
      return nil unless self.class === other

[path, problem] <=> [other.path, other.problem]
    end
  end

##
  # Checks the gem directory for the following potential
  # inconsistencies/problems:
  #
  # * Checksum gem itself
  # * For each file in each gem, check consistency of installed versions
  # * Check for files that aren't part of the gem but are in the gems directory
  # * 1 cache - 1 spec - 1 directory.
  #
  # returns a hash of ErrorData objects, keyed on the problem gem's name.
  #--
  # TODO needs further cleanup

def alien(gems=[])
    errors = Hash.new { |h,k| h[k] = {} }

Gem::Specification.each do |spec|
      next unless gems.include? spec.name unless gems.empty?
      next if spec.default_gem?

gem_name      = spec.file_name
      gem_path      = spec.cache_file
      spec_path     = spec.spec_file
      gem_directory = spec.full_gem_path

unless File.directory? gem_directory
        errors[gem_name][spec.full_name] =
          "Gem registered but doesn't exist at #{gem_directory}"
        next
      end

unless File.exist? spec_path
        errors[gem_name][spec_path] = "Spec file missing for installed gem"
      end

begin
        verify_gem_file(gem_path)

good, gone, unreadable = nil, nil, nil, nil

File.open gem_path, Gem.binary_mode do |file|
          package = Gem::Package.new gem_path

good, gone = package.contents.partition { |file_name|
            File.exist? File.join(gem_directory, file_name)
          }

gone.sort.each do |path|
            errors[gem_name][path] = "Missing file"
          end

good, unreadable = good.partition { |file_name|
            File.readable? File.join(gem_directory, file_name)
          }

unreadable.sort.each do |path|
            errors[gem_name][path] = "Unreadable file"
          end

good.each do |entry, data|
            begin
              next unless data # HACK `gem check -a mkrf`

source = File.join gem_directory, entry['path']

File.open source, Gem.binary_mode do |f|
                unless f.read == data
                  errors[gem_name][entry['path']] = "Modified from original"
                end
              end
            end
          end
        end

installed_files = find_files_for_gem(gem_directory)
        extras = installed_files - good - unreadable

extras.each do |extra|
          errors[gem_name][extra] = "Extra file"
        end
      rescue Gem::VerificationError => e
        errors[gem_name][gem_path] = e.message
      end
    end

errors.each do |name, subhash|
      errors[name] = subhash.map do |path, msg|
        ErrorData.new path, msg
      end.sort
    end

errors
  end
end