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Bundler::Fetcher

Handles all the fetching with the rubygems server

Constants

API_TIMEOUT

how long to wait for each gemcutter API call

HTTP_ERRORS
REDIRECT_LIMIT

How many redirects to allew in one request

Attributes

disable_endpoint[RW]

Public Class Methods

download_gem_from_uri(spec, uri) click to toggle source
# File lib/bundler/fetcher.rb, line 49
def download_gem_from_uri(spec, uri)
  spec.fetch_platform

  download_path = Bundler.requires_sudo? ? Bundler.tmp : Bundler.rubygems.gem_dir
  gem_path = "#{Bundler.rubygems.gem_dir}/cache/#{spec.full_name}.gem"

  FileUtils.mkdir_p("#{download_path}/cache")
  Bundler.rubygems.download_gem(spec, uri, download_path)

  if Bundler.requires_sudo?
    Bundler.mkdir_p "#{Bundler.rubygems.gem_dir}/cache"
    Bundler.sudo "mv #{Bundler.tmp}/cache/#{spec.full_name}.gem #{gem_path}"
  end

  gem_path
end
fetch(spec) click to toggle source
# File lib/bundler/fetcher.rb, line 40
def fetch(spec)
  spec, uri = @@spec_fetch_map[spec.full_name]
  if spec
    path = download_gem_from_uri(spec, uri)
    s = Bundler.rubygems.spec_from_gem(path, Bundler.settings["trust-policy"])
    spec.__swap__(s)
  end
end
new(remote_uri) click to toggle source
# File lib/bundler/fetcher.rb, line 67
def initialize(remote_uri)
  @remote_uri = remote_uri
  @public_uri = remote_uri.dup
  @public_uri.user, @public_uri.password = nil, nil # don't print these
  if defined?(Net::HTTP::Persistent)
    @connection = Net::HTTP::Persistent.new 'bundler', :ENV
    @connection.verify_mode = (Bundler.settings[:ssl_verify_mode] ||
      OpenSSL::SSL::VERIFY_PEER)
    @connection.cert_store = bundler_cert_store
  else
    raise SSLError if @remote_uri.scheme == "https"
    @connection = Net::HTTP.new(@remote_uri.host, @remote_uri.port)
  end
  @connection.read_timeout = API_TIMEOUT

  Socket.do_not_reverse_lookup = true
end

Public Instance Methods

fetch_remote_specs(gem_names, full_dependency_list = [], last_spec_list = []) click to toggle source

fetch index

# File lib/bundler/fetcher.rb, line 139
def fetch_remote_specs(gem_names, full_dependency_list = [], last_spec_list = [])
  query_list = gem_names - full_dependency_list

  # only display the message on the first run
  if Bundler.ui.debug?
    Bundler.ui.debug "Query List: #{query_list.inspect}"
  else
    Bundler.ui.info ".", false
  end

  return {@remote_uri => last_spec_list} if query_list.empty?

  spec_list, deps_list = fetch_dependency_remote_specs(query_list)
  returned_gems = spec_list.map {|spec| spec.first }.uniq

  fetch_remote_specs(deps_list, full_dependency_list + returned_gems, spec_list + last_spec_list)
# fall back to the legacy index in the following cases
# 1. Gemcutter Endpoint doesn't return a 200
# 2. Marshal blob doesn't load properly
# 3. One of the YAML gemspecs has the Syck::DefaultKey problem
rescue HTTPError, MarshalError, GemspecError => e
  @use_api = false

  # new line now that the dots are over
  Bundler.ui.info "" unless Bundler.ui.debug?

  Bundler.ui.debug "Error during API request. #{e.class}: #{e.message}"
  Bundler.ui.debug e.backtrace.join("  ")

  return nil
end
fetch_spec(spec) click to toggle source

fetch a gem specification

# File lib/bundler/fetcher.rb, line 86
def fetch_spec(spec)
  spec = spec - [nil, 'ruby', '']
  spec_file_name = "#{spec.join '-'}.gemspec.rz"

  uri = URI.parse("#{@remote_uri}#{Gem::MARSHAL_SPEC_DIR}#{spec_file_name}")

  spec_rz = (uri.scheme == "file") ? Gem.read_binary(uri.path) : fetch(uri)
  Bundler.load_marshal Gem.inflate(spec_rz)
rescue MarshalError => e
  raise HTTPError, "Gemspec #{spec} contained invalid data.\n"          "Your network or your gem server is probably having issues right now."
end
inspect() click to toggle source
# File lib/bundler/fetcher.rb, line 183
def inspect
  "#<#{self.class}:0x#{object_id} uri=#{@public_uri.to_s}>"
end
specs(gem_names, source) click to toggle source

return the specs in the bundler format as an index

# File lib/bundler/fetcher.rb, line 100
def specs(gem_names, source)
  index = Index.new
  use_full_source_index = !gem_names || @remote_uri.scheme == "file" || Bundler::Fetcher.disable_endpoint

  if gem_names && use_api
    Bundler.ui.info "Fetching gem metadata from #{@public_uri}", Bundler.ui.debug?
    specs = fetch_remote_specs(gem_names)
    # new line now that the dots are over
    Bundler.ui.info "" if specs && !Bundler.ui.debug?
  end

  if specs.nil?
    # API errors mean we should treat this as a non-API source
    @use_api = false

    Bundler.ui.info "Fetching source index from #{@public_uri}"
    specs = fetch_all_remote_specs
  end

  specs[@remote_uri].each do |name, version, platform, dependencies|
    next if name == 'bundler'
    spec = nil
    if dependencies
      spec = EndpointSpecification.new(name, version, platform, dependencies)
    else
      spec = RemoteSpecification.new(name, version, platform, self)
    end
    spec.source = source
    @@spec_fetch_map[spec.full_name] = [spec, @remote_uri]
    index << spec
  end

  index
rescue CertificateFailureError => e
  Bundler.ui.info "" if gem_names && use_api # newline after dots
  raise e
end
use_api() click to toggle source
# File lib/bundler/fetcher.rb, line 171
def use_api
  return @use_api if defined?(@use_api)

  if @remote_uri.scheme == "file" || Bundler::Fetcher.disable_endpoint
    @use_api = false
  elsif fetch(dependency_api_uri)
    @use_api = true
  end
rescue HTTPError
  @use_api = false
end

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