diff options
Diffstat (limited to 'ruby_1_9_3/lib/rubygems/validator.rb')
| -rw-r--r-- | ruby_1_9_3/lib/rubygems/validator.rb | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/ruby_1_9_3/lib/rubygems/validator.rb b/ruby_1_9_3/lib/rubygems/validator.rb deleted file mode 100644 index ffeed88660..0000000000 --- a/ruby_1_9_3/lib/rubygems/validator.rb +++ /dev/null @@ -1,169 +0,0 @@ -#-- -# Copyright 2006 by Chad Fowler, Rich Kilmer, Jim Weirich and others. -# All rights reserved. -# See LICENSE.txt for permissions. -#++ - -require 'rubygems/format' -require 'rubygems/installer' - -## -# Validator performs various gem file and gem database validation - -class Gem::Validator - - include Gem::UserInteraction - - def initialize - require 'find' - require 'digest' - 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) - raise Gem::VerificationError, 'empty gem file' if gem_data.size == 0 - - unless gem_data =~ /MD5SUM/ then - return # Don't worry about it...this sucks. Need to fix MD5 stuff for - # new format - # FIXME - end - - sum_data = gem_data.gsub(/MD5SUM = "([a-z0-9]+)"/, - "MD5SUM = \"#{"F" * 32}\"") - - unless Digest::MD5.hexdigest(sum_data) == $1.to_s then - raise Gem::VerificationError, 'invalid checksum for gem file' - end - 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) - 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 - - ErrorData = Struct.new :path, :problem - - ## - # 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. - - def alien(gems=[]) - errors = Hash.new { |h,k| h[k] = {} } - - Gem::SourceIndex.from_installed_gems.each do |gem_name, gem_spec| - next unless gems.include? gem_spec.name unless gems.empty? - - install_dir = gem_spec.installation_path - gem_path = Gem.cache_gem(gem_spec.file_name, install_dir) - spec_path = File.join install_dir, "specifications", gem_spec.spec_name - gem_directory = gem_spec.full_gem_path - - unless File.directory? gem_directory then - errors[gem_name][gem_spec.full_name] = - "Gem registered but doesn't exist at #{gem_directory}" - next - end - - unless File.exist? spec_path then - 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 - - open gem_path, Gem.binary_mode do |file| - format = Gem::Format.from_file_by_path(gem_path) - - good, gone = format.file_entries.partition { |entry, _| - File.exist? File.join(gem_directory, entry['path']) - } - - gone.map! { |entry, _| entry['path'] } - gone.sort.each do |path| - errors[gem_name][path] = "Missing file" - end - - good, unreadable = good.partition { |entry, _| - File.readable? File.join(gem_directory, entry['path']) - } - - unreadable.map! { |entry, _| entry['path'] } - 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` - - open File.join(gem_directory, entry['path']), Gem.binary_mode do |f| - unless Digest::MD5.hexdigest(f.read).to_s == - Digest::MD5.hexdigest(data).to_s then - errors[gem_name][entry['path']] = "Modified from original" - end - end - end - end - end - - installed_files = find_files_for_gem(gem_directory) - good.map! { |entry, _| entry['path'] } - 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 { |path, msg| ErrorData.new(path, msg) } - end - - errors - end - - def remove_leading_dot_dir(path) - path.sub(/^\.\//, "") - end - -end - |