Class: Bundler::Fetcher

Inherits:
Object
  • Object
show all
Defined in:
lib/bundler/fetcher.rb,
lib/bundler/fetcher/base.rb,
lib/bundler/fetcher/index.rb,
lib/bundler/fetcher/dependency.rb,
lib/bundler/fetcher/downloader.rb,
lib/bundler/fetcher/compact_index.rb

Overview

Handles all the fetching with the rubygems server

Defined Under Namespace

Classes: AuthenticationRequiredError, BadAuthenticationError, Base, CertificateFailureError, CompactIndex, Dependency, Downloader, FallbackError, Index, NetworkDownError, SSLError, TooManyRequestsError

Constant Summary collapse

NET_ERRORS =

Exceptions classes that should bypass retry attempts. If your password didn’t work the first time, it’s not going to the third time.

[:HTTPBadGateway, :HTTPBadRequest, :HTTPFailedDependency,
:HTTPForbidden, :HTTPInsufficientStorage, :HTTPMethodNotAllowed,
:HTTPMovedPermanently, :HTTPNoContent, :HTTPNotFound,
:HTTPNotImplemented, :HTTPPreconditionFailed, :HTTPRequestEntityTooLarge,
:HTTPRequestURITooLong, :HTTPUnauthorized, :HTTPUnprocessableEntity,
:HTTPUnsupportedMediaType, :HTTPVersionNotSupported].freeze
FAIL_ERRORS = 
begin
  fail_errors = [AuthenticationRequiredError, BadAuthenticationError, FallbackError]
  fail_errors << Gem::Requirement::BadRequirementError
  fail_errors.concat(NET_ERRORS.map {|e| Net.const_get(e) })
end.freeze

Class Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(remote) ⇒ Fetcher

Returns a new instance of Fetcher.



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# File 'lib/bundler/fetcher.rb', line 86

def initialize(remote)
  @remote = remote

  Socket.do_not_reverse_lookup = true
  connection # create persistent connection
end

Class Attribute Details

.api_timeout ⇒ Object

Returns the value of attribute api_timeout.



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# File 'lib/bundler/fetcher.rb', line 79

def api_timeout
  @api_timeout
end

.disable_endpoint ⇒ Object

Returns the value of attribute disable_endpoint.



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# File 'lib/bundler/fetcher.rb', line 79

def disable_endpoint
  @disable_endpoint
end

.max_retries ⇒ Object

Returns the value of attribute max_retries.



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# File 'lib/bundler/fetcher.rb', line 79

def max_retries
  @max_retries
end

.redirect_limit ⇒ Object

Returns the value of attribute redirect_limit.



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# File 'lib/bundler/fetcher.rb', line 79

def redirect_limit
  @redirect_limit
end

Instance Method Details

#fetch_spec(spec) ⇒ Object

fetch a gem specification



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# File 'lib/bundler/fetcher.rb', line 98

def fetch_spec(spec)
  spec -= [nil, "ruby", ""]
  spec_file_name = "#{spec.join "-"}.gemspec"

  uri = Bundler::URI.parse("#{remote_uri}#{Gem::MARSHAL_SPEC_DIR}#{spec_file_name}.rz")
  if uri.scheme == "file"
    path = Bundler.rubygems.correct_for_windows_path(uri.path)
    Bundler.safe_load_marshal Bundler.rubygems.inflate(Gem.read_binary(path))
  elsif cached_spec_path = gemspec_cached_path(spec_file_name)
    Bundler.load_gemspec(cached_spec_path)
  else
    Bundler.safe_load_marshal Bundler.rubygems.inflate(downloader.fetch(uri).body)
  end
rescue MarshalError
  raise HTTPError, "Gemspec #{spec} contained invalid data.\n" \
    "Your network or your gem server is probably having issues right now."
end

#fetchers ⇒ Object 



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# File 'lib/bundler/fetcher.rb', line 202

def fetchers
  @fetchers ||= FETCHERS.map {|f| f.new(downloader, @remote, uri) }
end

#http_proxy ⇒ Object 



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# File 'lib/bundler/fetcher.rb', line 206

def http_proxy
  return unless uri = connection.proxy_uri
  uri.to_s
end

#inspect ⇒ Object 



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# File 'lib/bundler/fetcher.rb', line 211

def inspect
  "#<#{self.class}:0x#{object_id} uri=#{uri}>"
end

#specs(gem_names, source) ⇒ Object

return the specs in the bundler format as an index



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# File 'lib/bundler/fetcher.rb', line 124

def specs(gem_names, source)
  index = Bundler::Index.new

  if Bundler::Fetcher.disable_endpoint
    @use_api = false
    specs = fetchers.last.specs(gem_names)
  else
    specs = []
    @fetchers = fetchers.drop_while do |f|
      !f.available? || (f.api_fetcher? && !gem_names) || !specs = f.specs(gem_names)
    end
    @use_api = false if fetchers.none?(&:api_fetcher?)
  end

  specs.each do |name, version, platform, dependencies, metadata|
    spec = if dependencies
      EndpointSpecification.new(name, version, platform, self, dependencies, metadata)
    else
      RemoteSpecification.new(name, version, platform, self)
    end
    spec.source = source
    spec.remote = @remote
    index << spec
  end

  index
rescue CertificateFailureError
  Bundler.ui.info "" if gem_names && use_api # newline after dots
  raise
end

#specs_with_retry(gem_names, source) ⇒ Object

return the specs in the bundler format as an index with retries



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# File 'lib/bundler/fetcher.rb', line 117

def specs_with_retry(gem_names, source)
  Bundler::Retry.new("fetcher", FAIL_ERRORS).attempts do
    specs(gem_names, source)
  end
end

#uri ⇒ Object 



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# File 'lib/bundler/fetcher.rb', line 93

def uri
  @remote.anonymized_uri
end

#use_api ⇒ Object 



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# File 'lib/bundler/fetcher.rb', line 155

def use_api
  return @use_api if defined?(@use_api)

  fetchers.shift until fetchers.first.available?

  @use_api = if remote_uri.scheme == "file" || Bundler::Fetcher.disable_endpoint
    false
  else
    fetchers.first.api_fetcher?
  end
end

#user_agent ⇒ Object 



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# File 'lib/bundler/fetcher.rb', line 167

def user_agent
  @user_agent ||= begin
    ruby = Bundler::RubyVersion.system

    agent = String.new("bundler/#{Bundler::VERSION}")
    agent << " rubygems/#{Gem::VERSION}"
    agent << " ruby/#{ruby.versions_string(ruby.versions)}"
    agent << " (#{ruby.host})"
    agent << " command/#{ARGV.first}"

    if ruby.engine != "ruby"
      # engine_version raises on unknown engines
      engine_version = begin
                         ruby.engine_versions
                       rescue RuntimeError
                         "???"
                       end
      agent << " #{ruby.engine}/#{ruby.versions_string(engine_version)}"
    end

    agent << " options/#{Bundler.settings.all.join(",")}"

    agent << " ci/#{cis.join(",")}" if cis.any?

    # add a random ID so we can consolidate runs server-side
    agent << " " << SecureRandom.hex(8)

    # add any user agent strings set in the config
    extra_ua = Bundler.settings[:user_agent]
    agent << " " << extra_ua if extra_ua

    agent
  end
end