Class: Wsv::Request::Parser

Inherits:
Object
  • Object
show all
Defined in:
lib/wsv/request/parser.rb

Constant Summary collapse

REQUEST_LINE_LIMIT = 
8192
HEADER_LINE_LIMIT = 
8192
HEADER_COUNT_LIMIT = 
100
HEADER_TOTAL_LIMIT = 
16_384

Instance Method Summary collapse

Constructor Details

#initialize(io) ⇒ Parser

Returns a new instance of Parser.



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# File 'lib/wsv/request/parser.rb', line 11

def initialize(io)
  @io = io
end

Instance Method Details

#parse ⇒ Object

Raises:



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# File 'lib/wsv/request/parser.rb', line 15

def parse
  line = @io.gets("\n", REQUEST_LINE_LIMIT)
  return :empty unless line
  raise TooLarge, 414 if line.bytesize >= REQUEST_LINE_LIMIT && !line.end_with?("\n")

  method, target, version = line.split(/\s+/, 3)
  version = version&.strip
  return :malformed unless method && target && version&.start_with?("HTTP/")

  Request.new(method: method, target: target, version: version, headers: read_headers)
end