1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
|
require 'bundler/vendored_persistent'
module Bundler
# Handles all the fetching with the rubygems server
class Fetcher
# How many redirects to allew in one request
REDIRECT_LIMIT = 5
# how long to wait for each gemcutter API call
API_TIMEOUT = 10
# This error is raised if the API returns a 413 (only printed in verbose)
class FallbackError < HTTPError; end
# This is the error raised if OpenSSL fails the cert verification
class CertificateFailureError < HTTPError
def initialize(remote_uri)
super "Could not verify the SSL certificate for #{remote_uri}.\nThere" \
" is a chance you are experiencing a man-in-the-middle attack, but" \
" most likely your system doesn't have the CA certificates needed" \
" for verification. For information about OpenSSL certificates, see" \
" bit.ly/ssl-certs. To connect without using SSL, edit your Gemfile" \
" sources and change 'https' to 'http'."
end
end
class << self
attr_accessor :disable_endpoint
@@spec_fetch_map ||= {}
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
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
end
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 USE_PERSISTENT
@connection ||= Net::HTTP::Persistent.new 'bundler', :ENV
else
if @remote_uri.scheme == "https"
raise Bundler::HTTPError, "Could not load OpenSSL.\n" \
"You must recompile Ruby with OpenSSL support or change the sources in your " \
"Gemfile from 'https' to 'http'. Instructions for compiling with OpenSSL " \
"using RVM are available at rvm.io/packages/openssl."
end
@connection ||= Net::HTTP.new(@remote_uri.host, @remote_uri.port)
end
@connection.read_timeout = API_TIMEOUT
Socket.do_not_reverse_lookup = true
end
# fetch a gem specification
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)
Marshal.load Gem.inflate(spec_rz)
end
# return the specs in the bundler format as an index
def specs(gem_names, source)
index = Index.new
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 OpenSSL::SSL::SSLError
Bundler.ui.info "" if gem_names && use_api # newline after dots
raise CertificateFailureError.new(@public_uri)
end
# fetch index
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
# 2,3. Marshal blob doesn't load properly
# 4. One of the YAML gemspecs has the Syck::DefaultKey problem
rescue HTTPError, ArgumentError, TypeError, 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
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
def inspect
"#<#{self.class}:0x#{object_id} uri=#{@public_uri.to_s}>"
end
private
HTTP_ERRORS = [
Timeout::Error, EOFError, SocketError,
Errno::EINVAL, Errno::ECONNRESET, Errno::ETIMEDOUT, Errno::EAGAIN,
Net::HTTPBadResponse, Net::HTTPHeaderSyntaxError, Net::ProtocolError
]
HTTP_ERRORS << Net::HTTP::Persistent::Error if defined?(Net::HTTP::Persistent)
def fetch(uri, counter = 0)
raise HTTPError, "Too many redirects" if counter >= REDIRECT_LIMIT
begin
Bundler.ui.debug "Fetching from: #{uri}"
if USE_PERSISTENT
response = @connection.request(uri)
else
req = Net::HTTP::Get.new uri.request_uri
response = @connection.request(req)
end
rescue *HTTP_ERRORS
raise HTTPError, "Network error while fetching #{uri}"
end
case response
when Net::HTTPRedirection
Bundler.ui.debug("HTTP Redirection")
new_uri = URI.parse(response["location"])
if new_uri.host == uri.host
new_uri.user = uri.user
new_uri.password = uri.password
end
fetch(new_uri, counter + 1)
when Net::HTTPSuccess
Bundler.ui.debug("HTTP Success")
response.body
when Net::HTTPRequestEntityTooLarge
raise FallbackError, response.body
else
raise HTTPError, "#{response.class}: #{response.body}"
end
end
def dependency_api_uri(gem_names = [])
url = "#{@remote_uri}api/v1/dependencies"
url << "?gems=#{URI.encode(gem_names.join(","))}" if gem_names.any?
URI.parse(url)
end
# fetch from Gemcutter Dependency Endpoint API
def fetch_dependency_remote_specs(gem_names)
Bundler.ui.debug "Query Gemcutter Dependency Endpoint API: #{gem_names.join(',')}"
marshalled_deps = fetch dependency_api_uri(gem_names)
gem_list = Marshal.load(marshalled_deps)
deps_list = []
spec_list = gem_list.map do |s|
dependencies = s[:dependencies].map do |d|
begin
name, requirement = d
dep = Gem::Dependency.new(name, requirement.split(", "))
rescue ArgumentError => e
if e.message.include?('Ill-formed requirement ["#<YAML::Syck::DefaultKey')
puts # we shouldn't print the error message on the "fetching info" status line
raise GemspecError,
"Unfortunately, the gem #{s[:name]} (#{s[:number]}) has an invalid gemspec. \n" \
"Please ask the gem author to yank the bad version to fix this issue. For \n" \
"more information, see http://bit.ly/syck-defaultkey."
else
raise e
end
end
deps_list << dep.name
dep
end
[s[:name], Gem::Version.new(s[:number]), s[:platform], dependencies]
end
[spec_list, deps_list.uniq]
end
# fetch from modern index: specs.4.8.gz
def fetch_all_remote_specs
Bundler.rubygems.sources = ["#{@remote_uri}"]
Bundler.rubygems.fetch_all_remote_specs
rescue Gem::RemoteFetcher::FetchError => e
if e.message.match("certificate verify failed")
raise CertificateFailureError.new(@public_uri)
else
raise HTTPError, "Could not fetch specs from #{@public_uri}"
end
end
end
end
|