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
|
#--
# Author:: Adam Jacob (<adam@opscode.com>)
# Author:: Thom May (<thom@clearairturbulence.org>)
# Author:: Nuo Yan (<nuo@opscode.com>)
# Author:: Christopher Brown (<cb@opscode.com>)
# Author:: Christopher Walters (<cw@opscode.com>)
# Copyright:: Copyright 2009-2016, Opscode, Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
require "tempfile"
require "chef/http"
class Chef
class HTTP; end
class REST < HTTP; end
end
require "chef/http/authenticator"
require "chef/http/decompressor"
require "chef/http/json_input"
require "chef/http/json_to_model_output"
require "chef/http/cookie_manager"
require "chef/http/validate_content_length"
require "chef/config"
require "chef/exceptions"
require "chef/platform/query_helpers"
require "chef/http/remote_request_id"
class Chef
# == Chef::REST
# Chef's custom REST client with built-in JSON support and RSA signed header
# authentication.
class REST < HTTP
# Backwards compatibility for things that use
# Chef::REST::RESTRequest or its constants
RESTRequest = HTTP::HTTPRequest
attr_accessor :url, :cookies, :sign_on_redirect, :redirect_limit
attr_reader :authenticator
# Create a REST client object. The supplied +url+ is used as the base for
# all subsequent requests. For example, when initialized with a base url
# http://localhost:4000, a call to +get_rest+ with 'nodes' will make an
# HTTP GET request to http://localhost:4000/nodes
def initialize(url, client_name=Chef::Config[:node_name], signing_key_filename=Chef::Config[:client_key], options={})
Chef.log_deprecation("Chef::REST is deprecated. Please use Chef::ServerAPI, or investigate Ridley or ChefAPI.")
signing_key_filename = nil if chef_zero_uri?(url)
options = options.dup
options[:client_name] = client_name
options[:signing_key_filename] = signing_key_filename
super(url, options)
@decompressor = Decompressor.new(options)
@authenticator = Authenticator.new(options)
@request_id = RemoteRequestID.new(options)
@middlewares << JSONInput.new(options)
@middlewares << JSONToModelOutput.new(options)
@middlewares << CookieManager.new(options)
@middlewares << @decompressor
@middlewares << @authenticator
@middlewares << @request_id
# ValidateContentLength should come after Decompressor
# because the order of middlewares is reversed when handling
# responses.
@middlewares << ValidateContentLength.new(options)
end
def signing_key_filename
authenticator.signing_key_filename
end
def auth_credentials
authenticator.auth_credentials
end
def client_name
authenticator.client_name
end
def signing_key
authenticator.raw_key
end
def sign_requests?
authenticator.sign_requests?
end
# Send an HTTP GET request to the path
#
# Using this method to +fetch+ a file is considered deprecated.
#
# === Parameters
# path:: The path to GET
# raw:: Whether you want the raw body returned, or JSON inflated. Defaults
# to JSON inflated.
def get(path, raw=false, headers={})
if raw
streaming_request(path, headers)
else
request(:GET, path, headers)
end
end
alias :get_rest :get
alias :delete_rest :delete
alias :post_rest :post
alias :put_rest :put
# Streams a download to a tempfile, then yields the tempfile to a block.
# After the download, the tempfile will be closed and unlinked.
# If you rename the tempfile, it will not be deleted.
# Beware that if the server streams infinite content, this method will
# stream it until you run out of disk space.
def fetch(path, headers={})
streaming_request(create_url(path), headers) {|tmp_file| yield tmp_file }
end
alias :api_request :request
# Do a HTTP request where no middleware is loaded (e.g. JSON input/output
# conversion) but the standard Chef Authentication headers are added to the
# request.
def raw_http_request(method, path, headers, data)
url = create_url(path)
method, url, headers, data = @authenticator.handle_request(method, url, headers, data)
method, url, headers, data = @request_id.handle_request(method, url, headers, data)
response, rest_request, return_value = send_http_request(method, url, headers, data)
response.error! unless success_response?(response)
return_value
rescue Exception => exception
log_failed_request(response, return_value) unless response.nil?
if exception.respond_to?(:chef_rest_request=)
exception.chef_rest_request = rest_request
end
raise
end
# Deprecated:
# Responsibilities of this method have been split up. The #http_client is
# now responsible for making individual requests, while
# #retrying_http_errors handles error/retry logic.
def retriable_http_request(method, url, req_body, headers)
rest_request = Chef::HTTP::HTTPRequest.new(method, url, req_body, headers)
Chef::Log.debug("Sending HTTP request via #{method} to #{url.host}:#{url.port}#{rest_request.path}")
retrying_http_errors(url) do
yield rest_request
end
end
# Customized streaming behavior; sets the accepted content type to "*/*"
# if not otherwise specified for compatibility purposes
def streaming_request(url, headers, &block)
headers["Accept"] ||= "*/*"
super
end
alias :retriable_rest_request :retriable_http_request
def follow_redirect
unless @sign_on_redirect
@authenticator.sign_request = false
end
super
ensure
@authenticator.sign_request = true
end
public :create_url
############################################################################
# DEPRECATED
############################################################################
def decompress_body(body)
@decompressor.decompress_body(body)
end
def authentication_headers(method, url, json_body=nil)
authenticator.authentication_headers(method, url, json_body)
end
end
end
|
