# class Bundler::Fetcher

Handles all the fetching with the rubygems server

### Constants

FAIL_ERRORS
FETCHERS
HTTP_ERRORS
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.

### Attributes

api_timeout[RW]
disable_endpoint[RW]
max_retries[RW]
redirect_limit[RW]

### Public Class Methods

new(remote) click to toggle source

    # File lib/bundler/fetcher.rb, line 81
    def initialize(remote)
      @remote = remote

      Socket.do_not_reverse_lookup = true
      connection # create persistent connection
    end

### Public Instance Methods

fetch_spec(spec) click to toggle source

fetch a gem specification

    # File lib/bundler/fetcher.rb, line 93
    def fetch_spec(spec)
      spec -= [nil, "ruby", ""]
      spec_file_name = "#{spec.join "-"}.gemspec"

      uri = URI.parse("#{remote_uri}#{Gem::MARSHAL_SPEC_DIR}#{spec_file_name}.rz")
      if uri.scheme == "file"
        Bundler.load_marshal Bundler.rubygems.inflate(Gem.read_binary(uri.path))
      elsif cached_spec_path = gemspec_cached_path(spec_file_name)
        Bundler.load_gemspec(cached_spec_path)
      else
        Bundler.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() click to toggle source

    # File lib/bundler/fetcher.rb, line 202
    def fetchers
      @fetchers ||= FETCHERS.map {|f| f.new(downloader, @remote, uri) }
    end

http_proxy() click to toggle source

    # File lib/bundler/fetcher.rb, line 206
    def http_proxy
      return unless uri = connection.proxy_uri
      uri.to_s
    end

inspect() click to toggle source

    # File lib/bundler/fetcher.rb, line 211
    def inspect
      "#<#{self.class}:0x#{object_id} uri=#{uri}>"
    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 118
    def specs(gem_names, source)
      old = Bundler.rubygems.sources
      index = Bundler::Index.new

      if Bundler::Fetcher.disable_endpoint
        @use_api = false
        specs = fetchers.last.specs(gem_names)
      else
        specs = []
        fetchers.shift until fetchers.first.available? || fetchers.empty?
        fetchers.dup.each do |f|
          break unless f.api_fetcher? && !gem_names || !specs = f.specs(gem_names)
          fetchers.delete(f)
        end
        @use_api = false if fetchers.none?(&:api_fetcher?)
      end

      specs.each do |name, version, platform, dependencies, metadata|
        next if name == "bundler"
        spec = if dependencies
          EndpointSpecification.new(name, version, platform, 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
    ensure
      Bundler.rubygems.sources = old
    end

specs_with_retry(gem_names, source) click to toggle source

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

    # File lib/bundler/fetcher.rb, line 111
    def specs_with_retry(gem_names, source)
      Bundler::Retry.new("fetcher", FAIL_ERRORS).attempts do
        specs(gem_names, source)
      end
    end

uri() click to toggle source

    # File lib/bundler/fetcher.rb, line 88
    def uri
      @remote.anonymized_uri
    end

use_api() click to toggle source

    # 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() click to toggle source

    # 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

### Private Instance Methods

bundler_cert_store() click to toggle source

    # File lib/bundler/fetcher.rb, line 283
    def bundler_cert_store
      store = OpenSSL::X509::Store.new
      ssl_ca_cert = Bundler.settings[:ssl_ca_cert] ||
        (Bundler.rubygems.configuration.ssl_ca_cert if
          Bundler.rubygems.configuration.respond_to?(:ssl_ca_cert))
      if ssl_ca_cert
        if File.directory? ssl_ca_cert
          store.add_path ssl_ca_cert
        else
          store.add_file ssl_ca_cert
        end
      else
        store.set_default_paths
        certs = File.expand_path("../ssl_certs/*/*.pem", __FILE__)
        Dir.glob(certs).each {|c| store.add_file c }
      end
      store
    end

cis() click to toggle source

    # File lib/bundler/fetcher.rb, line 219
    def cis
      env_cis = {
        "TRAVIS" => "travis",
        "CIRCLECI" => "circle",
        "SEMAPHORE" => "semaphore",
        "JENKINS_URL" => "jenkins",
        "BUILDBOX" => "buildbox",
        "GO_SERVER_URL" => "go",
        "SNAP_CI" => "snap",
        "CI_NAME" => ENV["CI_NAME"],
        "CI" => "ci"
      }
      env_cis.find_all {|env, _| ENV[env] }.map {|_, ci| ci }
    end

connection() click to toggle source

    # File lib/bundler/fetcher.rb, line 234
    def connection
      @connection ||= begin
        needs_ssl = remote_uri.scheme == "https" ||
          Bundler.settings[:ssl_verify_mode] ||
          Bundler.settings[:ssl_client_cert]
        raise SSLError if needs_ssl && !defined?(OpenSSL::SSL)

        con = PersistentHTTP.new "bundler", :ENV
        if gem_proxy = Bundler.rubygems.configuration[:http_proxy]
          con.proxy = URI.parse(gem_proxy) if gem_proxy != :no_proxy
        end

        if remote_uri.scheme == "https"
          con.verify_mode = (Bundler.settings[:ssl_verify_mode] ||
            OpenSSL::SSL::VERIFY_PEER)
          con.cert_store = bundler_cert_store
        end

        ssl_client_cert = Bundler.settings[:ssl_client_cert] ||
          (Bundler.rubygems.configuration.ssl_client_cert if
            Bundler.rubygems.configuration.respond_to?(:ssl_client_cert))
        if ssl_client_cert
          pem = File.read(ssl_client_cert)
          con.cert = OpenSSL::X509::Certificate.new(pem)
          con.key  = OpenSSL::PKey::RSA.new(pem)
        end

        con.read_timeout = Fetcher.api_timeout
        con.open_timeout = Fetcher.api_timeout
        con.override_headers["User-Agent"] = user_agent
        con.override_headers["X-Gemfile-Source"] = @remote.original_uri.to_s if @remote.original_uri
        con
      end
    end

downloader() click to toggle source

    # File lib/bundler/fetcher.rb, line 308
    def downloader
      @downloader ||= Downloader.new(connection, self.class.redirect_limit)
    end

gemspec_cached_path(spec_file_name) click to toggle source

cached gem specification path, if one exists

    # File lib/bundler/fetcher.rb, line 270
    def gemspec_cached_path(spec_file_name)
      paths = Bundler.rubygems.spec_cache_dirs.map {|dir| File.join(dir, spec_file_name) }
      paths = paths.select {|path| File.file? path }
      paths.first
    end

remote_uri() click to toggle source

    # File lib/bundler/fetcher.rb, line 304
    def remote_uri
      @remote.uri
    end