Class: Gem::Server

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# File 'lib/rubygems/server.rb', line 490

def latest_specs(req, res)
  @source_index.refresh!

  res['content-type'] = 'application/x-gzip'

  add_date res

  specs = @source_index.latest_specs.sort.map do |spec|
    platform = spec.original_platform
    platform = Gem::Platform::RUBY if platform.nil?
    [spec.name, spec.version, platform]
  end

  specs = Marshal.dump specs

  if req.path =~ /\.gz$/ then
    specs = Gem.gzip specs
    res['content-type'] = 'application/x-gzip'
  else
    res['content-type'] = 'application/octet-stream'
  end

  if req.request_method == 'HEAD' then
    res['content-length'] = specs.length
  else
    res.body << specs
  end
end

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# File 'lib/rubygems/server.rb', line 862

def launch
  listeners = @server.listeners.map{|l| l.addr[2] }

  host = listeners.any?{|l| l == '0.0.0.0'} ? 'localhost' : listeners.first

  say "Launching browser to http://#{host}:#{@port}"

  system("#{@launch} http://#{host}:#{@port}")
end

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# File 'lib/rubygems/server.rb', line 523

def listen addresses = @addresses
  addresses = [nil] unless addresses

  listeners = 0

  addresses.each do |address|
    begin
      @server.listen address, @port
      @server.listeners[listeners..-1].each do |listener|
        host, port = listener.addr.values_at 2, 1
        host = "[#{host}]" if host =~ /:/ # we don't reverse lookup
        say "Server started at http://#{host}:#{port}"
      end

      listeners = @server.listeners.length
    rescue SystemCallError
      next
    end
  end

  if @server.listeners.empty? then
    say "Unable to start a server."
    say "Check for running servers or your --bind and --port arguments"
    terminate_interaction 1
  end
end

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# File 'lib/rubygems/server.rb', line 462

def Marshal(req, res)
  @source_index.refresh!

  add_date res

  index = Marshal.dump @source_index

  if req.request_method == 'HEAD' then
    res['content-length'] = index.length
    return
  end

  if req.path =~ /Z$/ then
    res['content-type'] = 'application/x-deflate'
    index = Gem.deflate index
  else
    res['content-type'] = 'application/octet-stream'
  end

  res.body << index
end

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# File 'lib/rubygems/server.rb', line 550

def quick(req, res)
  @source_index.refresh!

  res['content-type'] = 'text/plain'
  add_date res

  case req.request_uri.path
  when '/quick/index' then
    res.body << @source_index.map { |name,| name }.sort.join("\n")
  when '/quick/index.rz' then
    index = @source_index.map { |name,| name }.sort.join("\n")
    res['content-type'] = 'application/x-deflate'
    res.body << Gem.deflate(index)
  when '/quick/latest_index' then
    index = @source_index.latest_specs.map { |spec| spec.full_name }
    res.body << index.sort.join("\n")
  when '/quick/latest_index.rz' then
    index = @source_index.latest_specs.map { |spec| spec.full_name }
    res['content-type'] = 'application/x-deflate'
    res.body << Gem.deflate(index.sort.join("\n"))
  when %r|^/quick/(Marshal.#{Regexp.escape Gem.marshal_version}/)?(.*?)-([0-9.]+)(-.*?)?\.gemspec\.rz$| then
    marshal_format, name, version, platform = $1, $2, $3, $4
    dep = Gem::Dependency.new name, version
    specs = @source_index.search dep

    selector = [name, version, platform].map { |s| s.inspect }.join ' '

    platform = if platform then
                 Gem::Platform.new platform.sub(/^-/, '')
               else
                 Gem::Platform::RUBY
               end

    specs = specs.select { |s| s.platform == platform }

    if specs.empty? then
      res.status = 404
      res.body = "No gems found matching #{selector}"
    elsif specs.length > 1 then
      res.status = 500
      res.body = "Multiple gems found matching #{selector}"
    elsif marshal_format then
      res['content-type'] = 'application/x-deflate'
      res.body << Gem.deflate(Marshal.dump(specs.first))
    else # deprecated YAML format
      res['content-type'] = 'application/x-deflate'
      res.body << Gem.deflate(specs.first.to_yaml)
    end
  else
    raise WEBrick::HTTPStatus::NotFound, "`#{req.path}' not found."
  end
end

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# File 'lib/rubygems/server.rb', line 718

def rdoc(req, res)
  query = req.query['q']
  show_rdoc_for_pattern("#{query}*", res) && return
  show_rdoc_for_pattern("*#{query}*", res) && return

  template = ERB.new RDOC_NO_DOCUMENTATION

  res['content-type'] = 'text/html'
  res.body = template.result binding
end

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# File 'lib/rubygems/server.rb', line 603

def root(req, res)
  @source_index.refresh!
  add_date res

  raise WEBrick::HTTPStatus::NotFound, "`#{req.path}' not found." unless
    req.path == '/'

  specs = []
  total_file_count = 0

  @source_index.each do |path, spec|
    total_file_count += spec.files.size
    deps = spec.dependencies.map do |dep|
      { "name"    => dep.name,
        "type"    => dep.type,
        "version" => dep.requirement.to_s, }
    end

    deps = deps.sort_by { |dep| [dep["name"].downcase, dep["version"]] }
    deps.last["is_last"] = true unless deps.empty?

    # executables
    executables = spec.executables.sort.collect { |exec| {"executable" => exec} }
    executables = nil if executables.empty?
    executables.last["is_last"] = true if executables

    specs << {
      "authors"             => spec.authors.sort.join(", "),
      "date"                => spec.date.to_s,
      "dependencies"        => deps,
      "doc_path"            => "/doc_root/#{spec.full_name}/rdoc/index.html",
      "executables"         => executables,
      "only_one_executable" => (executables && executables.size == 1),
      "full_name"           => spec.full_name,
      "has_deps"            => !deps.empty?,
      "homepage"            => spec.homepage,
      "name"                => spec.name,
      "rdoc_installed"      => Gem::DocManager.new(spec).rdoc_installed?,
      "summary"             => spec.summary,
      "version"             => spec.version.to_s,
    }
  end

  specs << {
    "authors" => "Chad Fowler, Rich Kilmer, Jim Weirich, Eric Hodel and others",
    "dependencies" => [],
    "doc_path" => "/doc_root/rubygems-#{Gem::VERSION}/rdoc/index.html",
    "executables" => [{"executable" => 'gem', "is_last" => true}],
    "only_one_executable" => true,
    "full_name" => "rubygems-#{Gem::VERSION}",
    "has_deps" => false,
    "homepage" => "http://docs.rubygems.org/",
    "name" => 'rubygems',
    "rdoc_installed" => true,
    "summary" => "RubyGems itself",
    "version" => Gem::VERSION,
  }

  specs = specs.sort_by { |spec| [spec["name"].downcase, spec["version"]] }
  specs.last["is_last"] = true

  # tag all specs with first_name_entry
  last_spec = nil
  specs.each do |spec|
    is_first = last_spec.nil? || (last_spec["name"].downcase != spec["name"].downcase)
    spec["first_name_entry"] = is_first
    last_spec = spec
  end

  # create page from template
  template = ERB.new(DOC_TEMPLATE)
  res['content-type'] = 'text/html'

  # this is used by binding, 1.9.3dev warns anyways
  values = { "gem_count" => specs.size.to_s, "specs" => specs,
             "total_file_count" => total_file_count.to_s }

  result = template.result binding
  res.body = result
end

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# File 'lib/rubygems/server.rb', line 768

def run
  listen

  WEBrick::Daemon.start if @daemon

  @server.mount_proc "/yaml", method(:yaml)
  @server.mount_proc "/yaml.Z", method(:yaml)

  @server.mount_proc "/Marshal.#{Gem.marshal_version}", method(:Marshal)
  @server.mount_proc "/Marshal.#{Gem.marshal_version}.Z", method(:Marshal)

  @server.mount_proc "/specs.#{Gem.marshal_version}", method(:specs)
  @server.mount_proc "/specs.#{Gem.marshal_version}.gz", method(:specs)

  @server.mount_proc "/latest_specs.#{Gem.marshal_version}",
                     method(:latest_specs)
  @server.mount_proc "/latest_specs.#{Gem.marshal_version}.gz",
                     method(:latest_specs)

  @server.mount_proc "/quick/", method(:quick)

  @server.mount_proc("/gem-server-rdoc-style.css") do |req, res|
    res['content-type'] = 'text/css'
    add_date res
    res.body << RDOC_CSS
  end

  @server.mount_proc "/", method(:root)

  @server.mount_proc "/rdoc", method(:rdoc)

  paths = { "/gems" => "/cache/", "/doc_root" => "/doc/" }
  paths.each do |mount_point, mount_dir|
    @server.mount(mount_point, WEBrick::HTTPServlet::FileHandler,
                  File.join(@gem_dirs.first, mount_dir), true)
  end

  trap("INT") { @server.shutdown; exit! }
  trap("TERM") { @server.shutdown; exit! }

  launch if @launch

  @server.start
end

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# File 'lib/rubygems/server.rb', line 737

def show_rdoc_for_pattern(pattern, res)
  found_gems = Dir.glob("{#{@gem_dirs.join ','}}/doc/#{pattern}").select {|path|
    File.exist? File.join(path, 'rdoc/index.html')
  }
  case found_gems.length
  when 0
    return false
  when 1
    new_path = File.basename(found_gems[0])
    res.status = 302
    res['Location'] = "/doc_root/#{new_path}/rdoc/index.html"
    return true
  else
    doc_items = []
    found_gems.each do |file_name|
      base_name = File.basename(file_name)
      doc_items << {
        :name => base_name,
        :url => "/doc_root/#{base_name}/rdoc/index.html",
        :summary => ''
      }
    end

    template = ERB.new(RDOC_SEARCH_TEMPLATE)
    res['content-type'] = 'text/html'
    result = template.result binding
    res.body = result
    return true
  end
end

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# File 'lib/rubygems/server.rb', line 813

def specs(req, res)
  @source_index.refresh!

  add_date res

  specs = @source_index.sort.map do |_, spec|
    platform = spec.original_platform
    platform = Gem::Platform::RUBY if platform.nil?
    [spec.name, spec.version, platform]
  end

  specs = Marshal.dump specs

  if req.path =~ /\.gz$/ then
    specs = Gem.gzip specs
    res['content-type'] = 'application/x-gzip'
  else
    res['content-type'] = 'application/octet-stream'
  end

  if req.request_method == 'HEAD' then
    res['content-length'] = specs.length
  else
    res.body << specs
  end
end

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# File 'lib/rubygems/server.rb', line 840

def yaml(req, res)
  @source_index.refresh!

  add_date res

  index = @source_index.to_yaml

  if req.path =~ /Z$/ then
    res['content-type'] = 'application/x-deflate'
    index = Gem.deflate index
  else
    res['content-type'] = 'text/plain'
  end

  if req.request_method == 'HEAD' then
    res['content-length'] = index.length
    return
  end

  res.body << index
end