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ðŸ“ auth
ðŸ“„ body_proxy.rb(1.3 KB)
ðŸ“„ builder.rb(8.56 KB)
ðŸ“„ cascade.rb(2.25 KB)
ðŸ“„ chunked.rb(3.3 KB)
ðŸ“„ common_logger.rb(3.12 KB)
ðŸ“„ conditional_get.rb(2.99 KB)
ðŸ“„ config.rb(410 B)
ðŸ“„ constants.rb(2.47 KB)
ðŸ“„ content_length.rb(806 B)
ðŸ“„ content_type.rb(695 B)
ðŸ“„ deflater.rb(5.51 KB)
ðŸ“„ directory.rb(6.02 KB)
ðŸ“„ etag.rb(1.87 KB)
ðŸ“„ events.rb(4.8 KB)
ðŸ“„ file.rb(167 B)
ðŸ“„ files.rb(5.66 KB)
ðŸ“„ head.rb(524 B)
ðŸ“„ headers.rb(2.96 KB)
ðŸ“„ lint.rb(36.09 KB)
ðŸ“„ lock.rb(573 B)
ðŸ“„ logger.rb(414 B)
ðŸ“„ media_type.rb(1.4 KB)
ðŸ“„ method_override.rb(1.45 KB)
ðŸ“„ mime.rb(32.69 KB)
ðŸ“„ mock.rb(63 B)
ðŸ“„ mock_request.rb(5.37 KB)
ðŸ“„ mock_response.rb(3.28 KB)
ðŸ“ multipart
ðŸ“„ multipart.rb(1.17 KB)
ðŸ“„ null_logger.rb(1.18 KB)
ðŸ“„ query_parser.rb(8.37 KB)
ðŸ“„ recursive.rb(1.78 KB)
ðŸ“„ reloader.rb(3.02 KB)
ðŸ“„ request.rb(24.57 KB)
ðŸ“„ response.rb(10.72 KB)
ðŸ“„ rewindable_input.rb(3.12 KB)
ðŸ“„ runtime.rb(870 B)
ðŸ“„ sendfile.rb(5.55 KB)
ðŸ“„ show_exceptions.rb(13.73 KB)
ðŸ“„ show_status.rb(3.58 KB)
ðŸ“„ static.rb(6 KB)
ðŸ“„ tempfile_reaper.rb(778 B)
ðŸ“„ urlmap.rb(2.81 KB)
ðŸ“„ utils.rb(21.1 KB)
ðŸ“„ version.rb(958 B)

Editing: rewindable_input.rb

# -*- encoding: binary -*-
# frozen_string_literal: true

require 'tempfile'

require_relative 'constants'

module Rack
  # Class which can make any IO object rewindable, including non-rewindable ones. It does
  # this by buffering the data into a tempfile, which is rewindable.
  #
  # Don't forget to call #close when you're done. This frees up temporary resources that
  # RewindableInput uses, though it does *not* close the original IO object.
  class RewindableInput
    # Makes rack.input rewindable, for compatibility with applications and middleware
    # designed for earlier versions of Rack (where rack.input was required to be
    # rewindable).
    class Middleware
      def initialize(app)
        @app = app
      end

def call(env)
        env[RACK_INPUT] = RewindableInput.new(env[RACK_INPUT])
        @app.call(env)
      end
    end

def initialize(io)
      @io = io
      @rewindable_io = nil
      @unlinked = false
    end

def gets
      make_rewindable unless @rewindable_io
      @rewindable_io.gets
    end

def read(*args)
      make_rewindable unless @rewindable_io
      @rewindable_io.read(*args)
    end

def each(&block)
      make_rewindable unless @rewindable_io
      @rewindable_io.each(&block)
    end

def rewind
      make_rewindable unless @rewindable_io
      @rewindable_io.rewind
    end

def size
      make_rewindable unless @rewindable_io
      @rewindable_io.size
    end

# Closes this RewindableInput object without closing the originally
    # wrapped IO object. Cleans up any temporary resources that this RewindableInput
    # has created.
    #
    # This method may be called multiple times. It does nothing on subsequent calls.
    def close
      if @rewindable_io
        if @unlinked
          @rewindable_io.close
        else
          @rewindable_io.close!
        end
        @rewindable_io = nil
      end
    end

private

def make_rewindable
      # Buffer all data into a tempfile. Since this tempfile is private to this
      # RewindableInput object, we chmod it so that nobody else can read or write
      # it. On POSIX filesystems we also unlink the file so that it doesn't
      # even have a file entry on the filesystem anymore, though we can still
      # access it because we have the file handle open.
      @rewindable_io = Tempfile.new('RackRewindableInput')
      @rewindable_io.chmod(0000)
      @rewindable_io.set_encoding(Encoding::BINARY)
      @rewindable_io.binmode
      # :nocov:
      if filesystem_has_posix_semantics?
        raise 'Unlink failed. IO closed.' if @rewindable_io.closed?
        @unlinked = true
      end
      # :nocov:

buffer = "".dup
      while @io.read(1024 * 4, buffer)
        entire_buffer_written_out = false
        while !entire_buffer_written_out
          written = @rewindable_io.write(buffer)
          entire_buffer_written_out = written == buffer.bytesize
          if !entire_buffer_written_out
            buffer.slice!(0 .. written - 1)
          end
        end
      end
      @rewindable_io.rewind
    end

def filesystem_has_posix_semantics?
      RUBY_PLATFORM !~ /(mswin|mingw|cygwin|java)/
    end
  end
end

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Editing: rewindable_input.rb

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