Class: Multiparty

Inherits:
Object
  • Object
show all
Defined in:
lib/multiparty.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) {|_self| ... } ⇒ Multiparty

Multiparty.new(“my-boundary”) Multiparty.new(:boundary => “my-boundary”)

Yields:

  • (_self)

Yield Parameters:

  • _self (Multiparty) —

    the object that the method was called on



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# File 'lib/multiparty.rb', line 10

def initialize(options = {})
  case options
  when Hash
    @boundary = options[:boundary]
    @content_type = options[:content_type]
  when String 
    @boundary = options
  end
 
  @parts = {}
  @content_type ||= "multipart/form-data"
  @boundary ||= "multiparty-boundary-#{rand(1000000000)}"

  yield self if block_given?
end

Instance Attribute Details

#boundary ⇒ Object

Returns the value of attribute boundary.



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# File 'lib/multiparty.rb', line 5

def boundary
  @boundary
end

#parts ⇒ Object

Returns the value of attribute parts.



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# File 'lib/multiparty.rb', line 6

def parts
  @parts
end

Instance Method Details

#add_part(index, value) ⇒ Object Also known as: []= 



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# File 'lib/multiparty.rb', line 71

def add_part(index, value)
  parts[index] = value
end

#add_parts(parts) ⇒ Object Also known as: << 



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# File 'lib/multiparty.rb', line 76

def add_parts(parts)
  parts.each do |index, value|
    add_part(index, value)
  end
end

#body ⇒ Object Also known as: to_s 



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# File 'lib/multiparty.rb', line 30

def body
  result = "--#{@boundary}\r\n"
  result << parts.map do |name, value|
    parse_part(name, value)
  end.join("\r\n")

  result << "--"
end

#header ⇒ Object 



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# File 'lib/multiparty.rb', line 26

def header
  "Content-Type: #{@content_type}; boundary=#{@boundary}\r\n"
end

#parse_part(name, value) ⇒ Object 



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# File 'lib/multiparty.rb', line 40

def parse_part(name, value)
  content_disposition = "form-data"
  case value
  when Hash
    content_disposition = value[:content_disposition] if value[:content_disposition]
    content_type = value[:content_type]
    filename = value[:filename]
    encoding = value[:encoding]
    body_part = value[:content]
  when File, Tempfile
    content_type = "application/octet-stream"
    filename = File.split(value.path).last
    body_part = value.read
  else
    body_part = value
  end
  
  if filename
    content_type ||= MIME::Types.of(filename).first.to_s || "application/octet-stream"
    encoding ||= "binary"
  end

  head_part = "Content-Disposition: #{content_disposition}; name=\"#{name}\""
  head_part << "; filename=\"#{filename}\"" if filename
  head_part << "\r\n"
  head_part << "Content-Type: #{content_type}\r\n" if content_type
  head_part << "Content-Transfer-Encoding: #{encoding}\r\n" if encoding

  "#{head_part}\r\n#{body_part}\r\n--#{@boundary}"
end