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module Rack
# A multipart form data parser, adapted from IOWA.
#
# Usually, Rack::Request#POST takes care of calling this.
module Multipart
autoload :UploadedFile, 'rack/multipart/uploaded_file'
autoload :Parser, 'rack/multipart/parser'
autoload :Generator, 'rack/multipart/generator'
EOL = "\r\n"
MULTIPART_BOUNDARY = "AaB03x"
MULTIPART = %r|\Amultipart/.*boundary=\"?([^\";,]+)\"?|n
TOKEN = /[^\s()<>,;:\\"\/\[\]?=]+/
CONDISP = /Content-Disposition:\s*#{TOKEN}\s*/i
DISPPARM = /;\s*(#{TOKEN})=("(?:\\"|[^"])*"|#{TOKEN})*/
RFC2183 = /^#{CONDISP}(#{DISPPARM})+$/i
BROKEN_QUOTED = /^#{CONDISP}.*;\sfilename="(.*?)"(?:\s*$|\s*;\s*#{TOKEN}=)/i
BROKEN_UNQUOTED = /^#{CONDISP}.*;\sfilename=(#{TOKEN})/i
MULTIPART_CONTENT_TYPE = /Content-Type: (.*)#{EOL}/ni
MULTIPART_CONTENT_DISPOSITION = /Content-Disposition:.*\s+name="?([^\";]*)"?/ni
MULTIPART_CONTENT_ID = /Content-ID:\s*([^#{EOL}]*)/ni
class << self
def parse_multipart(env)
Parser.new(env).parse
end
def build_multipart(params, first = true)
Generator.new(params, first).dump
end
end
end
end
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