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require 'test/unit'
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require 'cgi'
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require 'tempfile'
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require 'stringio'
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##
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## usage:
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## boundary = 'foobar1234' # or nil
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## multipart = MultiPart.new(boundary)
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## multipart.append('name1', 'value1')
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## multipart.append('file1', File.read('file1.html'), 'file1.html')
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## str = multipart.close()
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## str.each_line {|line| p line }
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## ## output:
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## # "--foobar1234\r\n"
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## # "Content-Disposition: form-data: name=\"name1\"\r\n"
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## # "\r\n"
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## # "value1\r\n"
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## # "--foobar1234\r\n"
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## # "Content-Disposition: form-data: name=\"file1\"; filename=\"file1.html\"\r\n"
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## # "Content-Type: text/html\r\n"
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## # "\r\n"
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## # "<html>\n"
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## # "<body><p>Hello</p></body>\n"
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## # "</html>\n"
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## # "\r\n"
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## # "--foobar1234--\r\n"
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##
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class MultiPart
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def initialize(boundary=nil)
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@boundary = boundary || create_boundary()
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@buf = ''
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end
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attr_reader :boundary
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def append(name, value, filename=nil, content_type=nil)
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value.force_encoding("ASCII-8BIT") if RUBY_VERSION>="1.9"
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content_type = detect_content_type(filename) if filename && content_type.nil?
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s = filename ? "; filename=\"#{filename}\"" : ''
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buf = @buf
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buf << "--#{boundary}\r\n"
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buf << "Content-Disposition: form-data: name=\"#{name}\"#{s}\r\n"
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buf << "Content-Type: #{content_type}\r\n" if content_type
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buf << "\r\n"
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buf << value
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buf << "\r\n"
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return self
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end
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def close
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buf = @buf
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@buf = ''
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return buf << "--#{boundary}--\r\n"
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end
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def create_boundary() #:nodoc:
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return "--boundary#{rand().to_s[2..-1]}"
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end
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def detect_content_type(filename) #:nodoc:
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filename =~ /\.(\w+)\z/
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return MIME_TYPES[$1] || 'application/octet-stream'
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end
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MIME_TYPES = {
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'gif' => 'image/gif',
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'jpg' => 'image/jpeg',
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'jpeg' => 'image/jpeg',
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'png' => 'image/png',
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'bmp' => 'image/bmp',
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'tif' => 'image/tiff',
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'tiff' => 'image/tiff',
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'htm' => 'text/html',
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'html' => 'text/html',
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'xml' => 'text/xml',
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'txt' => 'text/plain',
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'text' => 'text/plain',
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'css' => 'text/css',
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'mpg' => 'video/mpeg',
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'mpeg' => 'video/mpeg',
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'mov' => 'video/quicktime',
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'avi' => 'video/x-msvideo',
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'mp3' => 'audio/mpeg',
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'mid' => 'audio/midi',
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'wav' => 'audio/x-wav',
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'zip' => 'application/zip',
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#'tar.gz' => 'application/gtar',
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'gz' => 'application/gzip',
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'bz2' => 'application/bzip2',
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'rtf' => 'application/rtf',
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'pdf' => 'application/pdf',
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'ps' => 'application/postscript',
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'js' => 'application/x-javascript',
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'xls' => 'application/vnd.ms-excel',
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'doc' => 'application/msword',
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'ppt' => 'application/vnd.ms-powerpoint',
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}
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end
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class CGIMultipartTest < Test::Unit::TestCase
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def setup
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ENV['REQUEST_METHOD'] = 'POST'
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end
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def teardown
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%w[ REQUEST_METHOD CONTENT_TYPE CONTENT_LENGTH REQUEST_METHOD ].each do |name|
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ENV.delete(name)
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end
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$stdin.close() if $stdin.is_a?(Tempfile)
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$stdin = STDIN
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end
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def _prepare(data)
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## create multipart input
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multipart = MultiPart.new(@boundary)
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data.each do |hash|
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multipart.append(hash[:name], hash[:value], hash[:filename])
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end
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input = multipart.close()
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input = yield(input) if block_given?
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#$stderr.puts "*** debug: input=\n#{input.collect{|line| line.inspect}.join("\n")}"
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@boundary ||= multipart.boundary
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## set environment
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ENV['CONTENT_TYPE'] = "multipart/form-data; boundary=#{@boundary}"
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ENV['CONTENT_LENGTH'] = input.length.to_s
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ENV['REQUEST_METHOD'] = 'POST'
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## set $stdin
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tmpfile = Tempfile.new(self.name)
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tmpfile << input
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tmpfile.rewind()
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$stdin = tmpfile
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end
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def _test_multipart
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caller(0).find {|s| s =~ /in `test_(.*?)'/ }
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testname = $1
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#$stderr.puts "*** debug: testname=#{testname.inspect}"
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_prepare(@data)
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cgi = CGI.new
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expected_names = @data.collect{|hash| hash[:name] }.sort
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assert_equal(expected_names, cgi.params.keys.sort)
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threshold = 1024*10
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@data.each do |hash|
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name = hash[:name]
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expected = hash[:value]
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expected_class = @expected_class || (hash[:value].length < threshold ? StringIO : Tempfile)
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assert_kind_of(expected_class, cgi[name]) if RUBY_VERSION<"1.9"
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assert_equal(expected, cgi[name].read()) if RUBY_VERSION<"1.9"
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assert_equal(hash[:filename] || '', cgi[name].original_filename) #if hash[:filename]
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assert_equal(hash[:content_type] || '', cgi[name].content_type) #if hash[:content_type]
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end
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end
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def _read(basename)
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filename = File.join(File.dirname(__FILE__), 'testdata', basename)
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s = File.open(filename, 'rb') {|f| f.read() }
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return s
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end
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def test_cgi_multipart_stringio
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@boundary = '----WebKitFormBoundaryAAfvAII+YL9102cX'
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@data = [
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{:name=>'hidden1', :value=>'foobar'},
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{:name=>'text1', :value=>"\202\240\202\242\202\244\202\246\202\250"},
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{:name=>'file1', :value=>_read('file1.html'),
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:filename=>'file1.html', :content_type=>'text/html'},
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{:name=>'image1', :value=>_read('small.png'),
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:filename=>'small.png', :content_type=>'image/png'}, # small image
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]
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@expected_class = StringIO
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_test_multipart()
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end
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def test_cgi_multipart_tempfile
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@boundary = '----WebKitFormBoundaryAAfvAII+YL9102cX'
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@data = [
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{:name=>'hidden1', :value=>'foobar'},
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{:name=>'text1', :value=>"\202\240\202\242\202\244\202\246\202\250"},
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{:name=>'file1', :value=>_read('file1.html'),
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:filename=>'file1.html', :content_type=>'text/html'},
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{:name=>'image1', :value=>_read('large.png'),
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:filename=>'large.png', :content_type=>'image/png'}, # large image
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]
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@expected_class = Tempfile
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_test_multipart()
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end
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def _set_const(klass, name, value)
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old = nil
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klass.class_eval do
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old = const_get(name)
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remove_const(name)
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const_set(name, value)
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end
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return old
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end
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def test_cgi_multipart_maxmultipartlength
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@data = [
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{:name=>'image1', :value=>_read('large.png'),
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:filename=>'large.png', :content_type=>'image/png'}, # large image
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]
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original = _set_const(CGI, :MAX_MULTIPART_LENGTH, 2 * 1024)
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begin
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ex = assert_raise(StandardError) do
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_test_multipart()
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end
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assert_equal("too large multipart data.", ex.message)
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ensure
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_set_const(CGI, :MAX_MULTIPART_LENGTH, original)
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end
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end if CGI.const_defined?(:MAX_MULTIPART_LENGTH)
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def test_cgi_multipart_maxmultipartcount
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@data = [
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{:name=>'file1', :value=>_read('file1.html'),
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:filename=>'file1.html', :content_type=>'text/html'},
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]
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item = @data.first
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500.times { @data << item }
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#original = _set_const(CGI, :MAX_MULTIPART_COUNT, 128)
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begin
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ex = assert_raise(StandardError) do
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_test_multipart()
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end
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assert_equal("too many parameters.", ex.message)
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ensure
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#_set_const(CGI, :MAX_MULTIPART_COUNT, original)
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end
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end if CGI.const_defined?(:MAX_MULTIPART_COUNT)
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def test_cgi_multipart_badbody ## [ruby-dev:28470]
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@data = [
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{:name=>'file1', :value=>_read('file1.html'),
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:filename=>'file1.html', :content_type=>'text/html'},
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]
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_prepare(@data) do |input|
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input2 = input.sub(/--(\r\n)?\z/, "\r\n")
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assert input2 != input
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#p input2
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input2
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end
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ex = assert_raise(EOFError) do
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cgi = CGI.new
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end
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assert_equal("bad boundary end of body part", ex.message)
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#
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_prepare(@data) do |input|
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input2 = input.sub(/--(\r\n)?\z/, "")
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assert input2 != input
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#p input2
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input2
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end
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ex = assert_raise(EOFError) do
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cgi = CGI.new
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end
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assert_equal("bad content body", ex.message)
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end
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def test_cgi_multipart_quoteboundary ## [JVN#84798830]
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@boundary = '(.|\n)*'
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@data = [
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{:name=>'hidden1', :value=>'foobar'},
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{:name=>'text1', :value=>"\202\240\202\242\202\244\202\246\202\250"},
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{:name=>'file1', :value=>_read('file1.html'),
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:filename=>'file1.html', :content_type=>'text/html'},
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{:name=>'image1', :value=>_read('small.png'),
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:filename=>'small.png', :content_type=>'image/png'}, # small image
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]
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_prepare(@data)
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cgi = CGI.new
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assert_equal('file1.html', cgi['file1'].original_filename)
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end
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###
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self.instance_methods.each do |method|
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private method if method =~ /^test_(.*)/ && $1 != ENV['TEST']
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end if ENV['TEST']
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end
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