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
|
#
# Author:: Adam Jacob (<adam@hjksolutions.com>)
# Copyright:: Copyright (c) 2008 HJK Solutions, LLC
# 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 File.join(File.dirname(__FILE__), "mixin", "params_validate")
require 'net/https'
require 'uri'
require 'json'
require 'tempfile'
class Chef
class REST
def initialize(url)
@url = url
@cookies = Hash.new
end
# Send an HTTP GET request to the path
#
# === Parameters
# path:: The path to GET
# raw:: Whether you want the raw body returned, or JSON inflated. Defaults
# to JSON inflated.
def get_rest(path, raw=false)
run_request(:GET, create_url(path), false, 10, raw)
end
# Send an HTTP DELETE request to the path
def delete_rest(path)
run_request(:DELETE, create_url(path))
end
# Send an HTTP POST request to the path
def post_rest(path, json)
run_request(:POST, create_url(path), json)
end
# Send an HTTP PUT request to the path
def put_rest(path, json)
run_request(:PUT, create_url(path), json)
end
def create_url(path)
if path =~ /^(http|https):\/\//
URI.parse(path)
else
URI.parse("#{@url}/#{path}")
end
end
# Actually run an HTTP request. First argument is the HTTP method,
# which should be one of :GET, :PUT, :POST or :DELETE. Next is the
# URL, then an object to include in the body (which will be converted with
# .to_json) and finally, the limit of HTTP Redirects to follow (10).
#
# Typically, you won't use this method -- instead, you'll use one of
# the helper methods (get_rest, post_rest, etc.)
#
# Will return the body of the response on success.
def run_request(method, url, data=false, limit=10, raw=false)
raise ArgumentError, 'HTTP redirect too deep' if limit == 0
http = Net::HTTP.new(url.host, url.port)
if url.scheme == "https"
http.use_ssl = true
if Chef::Config[:ssl_verify_mode] == :verify_none
http.verify_mode = OpenSSL::SSL::VERIFY_NONE
end
end
http.read_timeout = Chef::Config[:rest_timeout]
headers = Hash.new
unless raw
headers = {
'Accept' => "application/json",
}
end
if @cookies["#{url.host}:#{url.port}"]
headers['Cookie'] = @cookies["#{url.host}:#{url.port}"]
end
req = nil
case method
when :GET
req_path = "#{url.path}"
req_path << "?#{url.query}" if url.query
req = Net::HTTP::Get.new(req_path, headers)
when :POST
headers["Content-Type"] = 'application/json' if data
req = Net::HTTP::Post.new(url.path, headers)
req.body = data.to_json if data
when :PUT
headers["Content-Type"] = 'application/json' if data
req = Net::HTTP::Put.new(url.path, headers)
req.body = data.to_json if data
when :DELETE
req_path = "#{url.path}"
req_path << "?#{url.query}" if url.query
req = Net::HTTP::Delete.new(req_path, headers)
else
raise ArgumentError, "You must provide :GET, :PUT, :POST or :DELETE as the method"
end
Chef::Log.debug("Sending HTTP Request via #{req.method} to #{req.path}")
res = http.request(req)
Chef::Log.debug("HTTP request headers: #{req.to_hash.inspect} ")
Chef::Log.debug("HTTP response headers: #{res.to_hash.inspect} ")
if res.kind_of?(Net::HTTPSuccess)
if res['set-cookie']
@cookies["#{url.host}:#{url.port}"] = res['set-cookie']
end
if res['content-type'] =~ /json/
JSON.parse(res.body)
else
if raw
tf = Tempfile.new("chef-rest")
tf.print(res.body)
tf.close
tf
else
res.body
end
end
elsif res.kind_of?(Net::HTTPFound)
if res['set-cookie']
@cookies["#{url.host}:#{url.port}"] = res['set-cookie']
end
run_request(:GET, create_url(res['location']), false, limit - 1, raw)
else
res.error!
end
end
end
end
|