forked from geminabox/geminabox
/
geminabox.rb
174 lines (146 loc) · 4.61 KB
/
geminabox.rb
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require 'rubygems'
require 'digest/md5'
require 'builder'
require 'sinatra/base'
require 'rubygems/builder'
require 'rubygems/indexer'
require 'hostess'
class Geminabox < Sinatra::Base
enable :static, :methodoverride
set :public_folder, File.join(File.dirname(__FILE__), *%w[.. public])
set :data, File.join(File.dirname(__FILE__), *%w[.. data])
set :build_legacy, false
set :incremental_updates, false
set :views, File.join(File.dirname(__FILE__), *%w[.. views])
set :allow_replace, false
use Hostess
class << self
def disallow_replace?
! allow_replace
end
def fixup_bundler_rubygems!
return if @post_reset_hook_applied
Gem.post_reset{ Gem::Specification.all = nil } if defined? Bundler and Gem.respond_to? :post_reset
@post_reset_hook_applied = true
end
end
autoload :GemVersionCollection, "geminabox/gem_version_collection"
get '/' do
@gems = load_gems
@index_gems = index_gems(@gems)
erb :index
end
get '/atom.xml' do
@gems = load_gems
erb :atom, :layout => false
end
get '/upload' do
erb :upload
end
get '/reindex' do
reindex(:force_rebuild)
redirect url("/")
end
delete '/gems/*.gem' do
File.delete file_path if File.exists? file_path
reindex(:force_rebuild)
redirect url("/")
end
post '/upload' do
if File.exists? Geminabox.data
error_response( 500, "Please ensure #{File.expand_path(Geminabox.data)} is writable by the geminabox web server." ) unless File.writable? Geminabox.data
error_response( 500, "Please ensure #{File.expand_path(Geminabox.data)} is a directory." ) unless File.directory? Geminabox.data
else
begin
FileUtils.mkdir_p(settings.data)
rescue Errno::EACCES, Errno::ENOENT, RuntimeError => e
error_response( 500, "Could not create #{File.expand_path(Geminabox.data)}.\n#{e}\n#{e.message}" )
end
end
unless params[:file] && (tmpfile = params[:file][:tempfile]) && (name = params[:file][:filename])
@error = "No file selected"
halt [400, erb(:upload)]
end
FileUtils.mkdir_p(File.join(settings.data, "gems"))
tmpfile.binmode
gem_name = File.basename(name)
dest_filename = File.join(settings.data, "gems", gem_name)
if Geminabox.disallow_replace? and File.exist?(dest_filename)
existing_file_digest = Digest::SHA1.file(dest_filename).hexdigest
tmpfile_digest = Digest::SHA1.file(tmpfile.path).hexdigest
if existing_file_digest != tmpfile_digest
error_response(409, "Updating an existing gem is not permitted.\nYou should either delete the existing version, or change your version number.")
else
error_response(200, "Ignoring upload, you uploaded the same thing previously.")
end
end
File.open(dest_filename, "wb") do |f|
while blk = tmpfile.read(65536)
f << blk
end
end
reindex
if api_request?
"Gem #{gem_name} received and indexed."
else
redirect url("/")
end
end
private
def api_request?
request.accept.first == "text/plain"
end
def error_response(code, message)
halt [code, message] if api_request?
html = <<HTML
<html>
<head><title>Error - #{code}</title></head>
<body>
<h1>Error - #{code}</h1>
<p>#{message}</p>
</body>
</html>
HTML
halt [code, html]
end
def reindex(force_rebuild = false)
Geminabox.fixup_bundler_rubygems!
force_rebuild = true unless settings.incremental_updates
if force_rebuild
indexer.generate_index
else
begin
indexer.update_index
rescue => e
puts "#{e.class}:#{e.message}"
puts e.backtrace.join("\n")
reindex(:force_rebuild)
end
end
end
def indexer
Gem::Indexer.new(settings.data, :build_legacy => settings.build_legacy)
end
def file_path
File.expand_path(File.join(settings.data, *request.path_info))
end
def load_gems
@loaded_gems ||=
%w(specs prerelease_specs).inject(GemVersionCollection.new){|gems, specs_file_type|
specs_file_path = File.join(settings.data, "#{specs_file_type}.#{Gem.marshal_version}.gz")
if File.exists?(specs_file_path)
gems |= Geminabox::GemVersionCollection.new(Marshal.load(Gem.gunzip(Gem.read_binary(specs_file_path))))
end
gems
}
end
def index_gems(gems)
Set.new(gems.map{|gem| gem.name[0..0].downcase})
end
helpers do
def spec_for(gem_name, version)
spec_file = File.join(settings.data, "quick", "Marshal.#{Gem.marshal_version}", "#{gem_name}-#{version}.gemspec.rz")
Marshal.load(Gem.inflate(File.read(spec_file))) if File.exists? spec_file
end
end
end