### Home Classes Methods

### In Files

- lib/rack/multipart/parser.rb

### Parent

Object

### Methods

- ::create
- ::new
- #parse

### Files

- KNOWN-ISSUES

### Class/Module Index

Quicksearch

- Rack
- Rack::Auth
- Rack::Auth::AbstractHandler
- Rack::Auth::AbstractRequest
- Rack::Auth::Basic
- Rack::Auth::Basic::Request
- Rack::Auth::Digest
- Rack::Auth::Digest::MD5
- Rack::Auth::Digest::Nonce
- Rack::Auth::Digest::Params
- Rack::Auth::Digest::Request
- Rack::BodyProxy
- Rack::Builder
- Rack::Cascade
- Rack::Chunked
- Rack::Chunked::Body
- Rack::CommonLogger
- Rack::ConditionalGet
- Rack::Config
- Rack::ContentLength
- Rack::ContentType
- Rack::Deflater
- Rack::Deflater::DeflateStream
- Rack::Deflater::GzipStream
- Rack::Directory
- Rack::ETag
- Rack::File
- Rack::ForwardRequest
- Rack::Handler
- Rack::Handler::CGI
- Rack::Handler::EventedMongrel
- Rack::Handler::FastCGI
- Rack::Handler::LSWS
- Rack::Handler::Mongrel
- Rack::Handler::SCGI
- Rack::Handler::SwiftipliedMongrel
- Rack::Handler::Thin
- Rack::Handler::WEBrick
- Rack::Head
- Rack::Lint
- Rack::Lobster
- Rack::Lock
- Rack::Logger
- Rack::MethodOverride
- Rack::Mime
- Rack::MockRequest
- Rack::MockRequest::FatalWarner
- Rack::MockRequest::FatalWarning
- Rack::MockResponse
- Rack::Multipart
- Rack::Multipart::Generator
- Rack::Multipart::MultipartPartLimitError
- Rack::Multipart::Parser
- Rack::Multipart::UploadedFile
- Rack::NullLogger
- Rack::Recursive
- Rack::Reloader
- Rack::Reloader::Stat
- Rack::Request
- Rack::Response
- Rack::Response::Helpers
- Rack::RewindableInput
- Rack::RewindableInput::Tempfile
- Rack::Runtime
- Rack::Sendfile
- Rack::Server
- Rack::Server::Options
- Rack::Session
- Rack::Session::Abstract
- Rack::Session::Abstract::ID
- Rack::Session::Abstract::SessionHash
- Rack::Session::Cookie
- Rack::Session::Cookie::Base64
- Rack::Session::Cookie::Base64::JSON
- Rack::Session::Cookie::Base64::Marshal
- Rack::Session::Cookie::Base64::ZipJSON
- Rack::Session::Cookie::Identity
- Rack::Session::Memcache
- Rack::Session::Pool
- Rack::ShowExceptions
- Rack::ShowStatus
- Rack::Static
- Rack::TempfileReaper
- Rack::URLMap
- Rack::Utils
- Rack::Utils::Context
- Rack::Utils::HeaderHash
- Rack::Utils::InvalidParameterError
- Rack::Utils::KeySpaceConstrainedParams
- Rack::Utils::Multipart
- Rack::Utils::OkJson
- Rack::Utils::OkJson::Error
- Rack::Utils::OkJson::Utf8Error
- Rack::Utils::ParameterTypeError
- FCGI
- FCGI::Stream
- WEBrick
- WEBrick::HTTPResponse
- Object

No matching classes.

# Rack::Multipart::Parser

### Constants

BUFSIZE
CHARSET
DUMMY
TEXT_PLAIN

### Public Class Methods

create(env) click to toggle source

    # File lib/rack/multipart/parser.rb, line 12
    def self.create(env)
      return DUMMY unless env['CONTENT_TYPE'] =~ MULTIPART

      io = env['rack.input']
      io.rewind

      content_length = env['CONTENT_LENGTH']
      content_length = content_length.to_i if content_length

      tempfile = env['rack.multipart.tempfile_factory'] ||
        lambda { |filename, content_type| Tempfile.new(["RackMultipart", ::File.extname(filename)]) }
      bufsize = env['rack.multipart.buffer_size'] || BUFSIZE

      new($1, io, content_length, env, tempfile, bufsize)
    end

new(boundary, io, content_length, env, tempfile, bufsize) click to toggle source

    # File lib/rack/multipart/parser.rb, line 28
    def initialize(boundary, io, content_length, env, tempfile, bufsize)
      @buf            = ""

      if @buf.respond_to? :force_encoding
        @buf.force_encoding Encoding::ASCII_8BIT
      end

      @params         = Utils::KeySpaceConstrainedParams.new
      @boundary       = "--#{boundary}"
      @io             = io
      @content_length = content_length
      @boundary_size  = Utils.bytesize(@boundary) + EOL.size
      @env = env
      @tempfile       = tempfile
      @bufsize        = bufsize

      if @content_length
        @content_length -= @boundary_size
      end

      @rx = /(?:#{EOL})?#{Regexp.quote(@boundary)}(#{EOL}|--)/
      @full_boundary = @boundary + EOL
    end

### Public Instance Methods

parse() click to toggle source

    # File lib/rack/multipart/parser.rb, line 52
    def parse
      fast_forward_to_first_boundary

      opened_files = 0
      loop do

        head, filename, content_type, name, body =
          get_current_head_and_filename_and_content_type_and_name_and_body

        if Utils.multipart_part_limit > 0
          opened_files += 1 if filename
          raise MultipartPartLimitError, 'Maximum file multiparts in content reached' if opened_files >= Utils.multipart_part_limit
        end

        # Save the rest.
        if i = @buf.index(rx)
          body << @buf.slice!(0, i)
          @buf.slice!(0, @boundary_size+2)

          @content_length = -1  if $1 == "--"
        end

        get_data(filename, body, content_type, name, head) do |data|
          tag_multipart_encoding(filename, content_type, name, data)

          Utils.normalize_params(@params, name, data)
        end

        # break if we're at the end of a buffer, but not if it is the end of a field
        break if (@buf.empty? && $1 != EOL) || @content_length == -1
      end

      @io.rewind

      @params.to_params_hash
    end

[Validate]

Generated with the Darkfish Rdoc Generator 2.