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|
require 'test/unit'
require 'cgi'
require 'tempfile'
require 'stringio'
##
## 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 = ''
@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"
value = value.dup.force_encoding(::Encoding::ASCII_8BIT) if defined?(::Encoding)
buf << value
buf << "\r\n"
return self
end
def close
buf = @buf
@buf = ''
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
def setup
ENV['REQUEST_METHOD'] = 'POST'
@tempfiles = []
end
def teardown
%w[ REQUEST_METHOD CONTENT_TYPE CONTENT_LENGTH REQUEST_METHOD ].each do |name|
ENV.delete(name)
end
$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"},
{: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"},
{: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"},
{: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
--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
body.gsub!(/\n/, "\r\n")
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
|
