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
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
|
# frozen_string_literal: true
require 'test/unit'
require 'cgi'
require 'tempfile'
require 'stringio'
require_relative 'update_env'
##
## usage:
## boundary = 'foobar1234' # or nil
## multipart = MultiPart.new(boundary)
## multipart.append('name1', 'value1')
## multipart.append('file1', File.read('file1.html'), 'file1.html')
## str = multipart.close()
## str.each_line {|line| p line }
## ## output:
## # "--foobar1234\r\n"
## # "Content-Disposition: form-data: name=\"name1\"\r\n"
## # "\r\n"
## # "value1\r\n"
## # "--foobar1234\r\n"
## # "Content-Disposition: form-data: name=\"file1\"; filename=\"file1.html\"\r\n"
## # "Content-Type: text/html\r\n"
## # "\r\n"
## # "<html>\n"
## # "<body><p>Hello</p></body>\n"
## # "</html>\n"
## # "\r\n"
## # "--foobar1234--\r\n"
##
class MultiPart
def initialize(boundary=nil)
@boundary = boundary || create_boundary()
@buf = ''.dup
@buf.force_encoding(::Encoding::ASCII_8BIT) if defined?(::Encoding)
end
attr_reader :boundary
def append(name, value, filename=nil, content_type=nil)
content_type = detect_content_type(filename) if filename && content_type.nil?
s = filename ? "; filename=\"#{filename}\"" : ''
buf = @buf
buf << "--#{boundary}\r\n"
buf << "Content-Disposition: form-data: name=\"#{name}\"#{s}\r\n"
buf << "Content-Type: #{content_type}\r\n" if content_type
buf << "\r\n"
buf << value.b
buf << "\r\n"
return self
end
def close
buf = @buf
@buf = ''.dup
return buf << "--#{boundary}--\r\n"
end
def create_boundary() #:nodoc:
return "--boundary#{rand().to_s[2..-1]}"
end
def detect_content_type(filename) #:nodoc:
filename =~ /\.(\w+)\z/
return MIME_TYPES[$1] || 'application/octet-stream'
end
MIME_TYPES = {
'gif' => 'image/gif',
'jpg' => 'image/jpeg',
'jpeg' => 'image/jpeg',
'png' => 'image/png',
'bmp' => 'image/bmp',
'tif' => 'image/tiff',
'tiff' => 'image/tiff',
'htm' => 'text/html',
'html' => 'text/html',
'xml' => 'text/xml',
'txt' => 'text/plain',
'text' => 'text/plain',
'css' => 'text/css',
'mpg' => 'video/mpeg',
'mpeg' => 'video/mpeg',
'mov' => 'video/quicktime',
'avi' => 'video/x-msvideo',
'mp3' => 'audio/mpeg',
'mid' => 'audio/midi',
'wav' => 'audio/x-wav',
'zip' => 'application/zip',
#'tar.gz' => 'application/gtar',
'gz' => 'application/gzip',
'bz2' => 'application/bzip2',
'rtf' => 'application/rtf',
'pdf' => 'application/pdf',
'ps' => 'application/postscript',
'js' => 'application/x-javascript',
'xls' => 'application/vnd.ms-excel',
'doc' => 'application/msword',
'ppt' => 'application/vnd.ms-powerpoint',
}
end
class CGIMultipartTest < Test::Unit::TestCase
include UpdateEnv
def setup
@environ = {}
update_env(
'REQUEST_METHOD' => 'POST',
'CONTENT_TYPE' => nil,
'CONTENT_LENGTH' => nil,
)
@tempfiles = []
end
def teardown
ENV.update(@environ)
$stdin.close() if $stdin.is_a?(Tempfile)
$stdin = STDIN
@tempfiles.each {|t|
t.close!
}
end
def _prepare(data)
## create multipart input
multipart = MultiPart.new(defined?(@boundary) ? @boundary : nil)
data.each do |hash|
multipart.append(hash[:name], hash[:value], hash[:filename])
end
input = multipart.close()
input = yield(input) if block_given?
#$stderr.puts "*** debug: input=\n#{input.collect{|line| line.inspect}.join("\n")}"
@boundary ||= multipart.boundary
## set environment
ENV['CONTENT_TYPE'] = "multipart/form-data; boundary=#{@boundary}"
ENV['CONTENT_LENGTH'] = input.length.to_s
ENV['REQUEST_METHOD'] = 'POST'
## set $stdin
tmpfile = Tempfile.new('test_cgi_multipart')
@tempfiles << tmpfile
tmpfile.binmode
tmpfile << input
tmpfile.rewind()
$stdin = tmpfile
end
def _test_multipart(cgi_options={})
caller(0).find {|s| s =~ /in `test_(.*?)'/ }
#testname = $1
#$stderr.puts "*** debug: testname=#{testname.inspect}"
_prepare(@data)
options = {:accept_charset=>"UTF-8"}
options.merge! cgi_options
cgi = CGI.new(options)
expected_names = @data.collect{|hash| hash[:name] }.sort
assert_equal(expected_names, cgi.params.keys.sort)
threshold = 1024*10
@data.each do |hash|
name = hash[:name]
expected = hash[:value]
if hash[:filename] #if file
expected_class = @expected_class || (hash[:value].length < threshold ? StringIO : Tempfile)
assert(cgi.files.keys.member?(hash[:name]))
else
expected_class = String
assert_equal(expected, cgi[name])
assert_equal(false,cgi.files.keys.member?(hash[:name]))
end
assert_kind_of(expected_class, cgi[name])
assert_equal(expected, cgi[name].read())
assert_equal(hash[:filename] || '', cgi[name].original_filename) #if hash[:filename]
assert_equal(hash[:content_type] || '', cgi[name].content_type) #if hash[:content_type]
end
ensure
if cgi
cgi.params.each {|name, vals|
vals.each {|val|
if val.kind_of?(Tempfile) && val.path
val.close!
end
}
}
end
end
def _read(basename)
filename = File.join(File.dirname(__FILE__), 'testdata', basename)
s = File.open(filename, 'rb') {|f| f.read() }
return s
end
def test_cgi_multipart_stringio
@boundary = '----WebKitFormBoundaryAAfvAII+YL9102cX'
@data = [
{:name=>'hidden1', :value=>'foobar'},
{:name=>'text1', :value=>"\xE3\x81\x82\xE3\x81\x84\xE3\x81\x86\xE3\x81\x88\xE3\x81\x8A".dup},
{:name=>'file1', :value=>_read('file1.html'),
:filename=>'file1.html', :content_type=>'text/html'},
{:name=>'image1', :value=>_read('small.png'),
:filename=>'small.png', :content_type=>'image/png'}, # small image
]
@data[1][:value].force_encoding(::Encoding::UTF_8) if defined?(::Encoding)
@expected_class = StringIO
_test_multipart()
end
def test_cgi_multipart_tempfile
@boundary = '----WebKitFormBoundaryAAfvAII+YL9102cX'
@data = [
{:name=>'hidden1', :value=>'foobar'},
{:name=>'text1', :value=>"\xE3\x81\x82\xE3\x81\x84\xE3\x81\x86\xE3\x81\x88\xE3\x81\x8A".dup},
{:name=>'file1', :value=>_read('file1.html'),
:filename=>'file1.html', :content_type=>'text/html'},
{:name=>'image1', :value=>_read('large.png'),
:filename=>'large.png', :content_type=>'image/png'}, # large image
]
@data[1][:value].force_encoding(::Encoding::UTF_8) if defined?(::Encoding)
@expected_class = Tempfile
_test_multipart()
end
def _set_const(klass, name, value)
old = nil
klass.class_eval do
old = const_get(name)
remove_const(name)
const_set(name, value)
end
return old
end
def test_cgi_multipart_maxmultipartlength
@data = [
{:name=>'image1', :value=>_read('large.png'),
:filename=>'large.png', :content_type=>'image/png'}, # large image
]
begin
ex = assert_raise(StandardError) do
_test_multipart(:max_multipart_length=>2 * 1024) # set via simple scalar
end
assert_equal("too large multipart data.", ex.message)
ensure
end
end
def test_cgi_multipart_maxmultipartlength_lambda
@data = [
{:name=>'image1', :value=>_read('large.png'),
:filename=>'large.png', :content_type=>'image/png'}, # large image
]
begin
ex = assert_raise(StandardError) do
_test_multipart(:max_multipart_length=>lambda{2*1024}) # set via lambda
end
assert_equal("too large multipart data.", ex.message)
ensure
end
end
def test_cgi_multipart_maxmultipartcount
@data = [
{:name=>'file1', :value=>_read('file1.html'),
:filename=>'file1.html', :content_type=>'text/html'},
]
item = @data.first
500.times { @data << item }
#original = _set_const(CGI, :MAX_MULTIPART_COUNT, 128)
begin
ex = assert_raise(StandardError) do
_test_multipart()
end
assert_equal("too many parameters.", ex.message)
ensure
#_set_const(CGI, :MAX_MULTIPART_COUNT, original)
end
end if CGI.const_defined?(:MAX_MULTIPART_COUNT)
def test_cgi_multipart_badbody ## [ruby-dev:28470]
@data = [
{:name=>'file1', :value=>_read('file1.html'),
:filename=>'file1.html', :content_type=>'text/html'},
]
_prepare(@data) do |input|
input2 = input.sub(/--(\r\n)?\z/, "\r\n")
assert input2 != input
#p input2
input2
end
ex = assert_raise(EOFError) do
CGI.new(:accept_charset=>"UTF-8")
end
assert_equal("bad content body", ex.message)
#
_prepare(@data) do |input|
input2 = input.sub(/--(\r\n)?\z/, "")
assert input2 != input
#p input2
input2
end
ex = assert_raise(EOFError) do
CGI.new(:accept_charset=>"UTF-8")
end
assert_equal("bad content body", ex.message)
end
def test_cgi_multipart_quoteboundary ## [JVN#84798830]
@boundary = '(.|\n)*'
@data = [
{:name=>'hidden1', :value=>'foobar'},
{:name=>'text1', :value=>"\xE3\x81\x82\xE3\x81\x84\xE3\x81\x86\xE3\x81\x88\xE3\x81\x8A".dup},
{:name=>'file1', :value=>_read('file1.html'),
:filename=>'file1.html', :content_type=>'text/html'},
{:name=>'image1', :value=>_read('small.png'),
:filename=>'small.png', :content_type=>'image/png'}, # small image
]
@data[1][:value].force_encoding("UTF-8")
_prepare(@data)
cgi = CGI.new(:accept_charset=>"UTF-8")
assert_equal('file1.html', cgi['file1'].original_filename)
end
def test_cgi_multipart_boundary_10240 # [Bug #3866]
@boundary = 'AaB03x'
@data = [
{:name=>'file', :value=>"b"*10134,
:filename=>'file.txt', :content_type=>'text/plain'},
{:name=>'foo', :value=>"bar"},
]
_prepare(@data)
cgi = CGI.new(:accept_charset=>"UTF-8")
assert_equal(cgi['foo'], 'bar')
assert_equal(cgi['file'].read, 'b'*10134)
cgi['file'].close! if cgi['file'].kind_of? Tempfile
end
def test_cgi_multipart_without_tempfile
assert_in_out_err([], <<-'EOM')
require 'cgi'
require 'stringio'
ENV['REQUEST_METHOD'] = 'POST'
ENV['CONTENT_TYPE'] = 'multipart/form-data; boundary=foobar1234'
body = <<-BODY.gsub(/\n/, "\r\n")
--foobar1234
Content-Disposition: form-data: name=\"name1\"
value1
--foobar1234
Content-Disposition: form-data: name=\"file1\"; filename=\"file1.html\"
Content-Type: text/html
<html>
<body><p>Hello</p></body>
</html>
--foobar1234--
BODY
ENV['CONTENT_LENGTH'] = body.size.to_s
$stdin = StringIO.new(body)
CGI.new
EOM
end
###
self.instance_methods.each do |method|
private method if method =~ /^test_(.*)/ && $1 != ENV['TEST']
end if ENV['TEST']
end
|
