Extended maintenance of Ruby versions 1.8.7 and 1.9.2 ended on July 31, 2014. Read more

In Files

  • webrick/httputils.rb

WEBrick::HTTPUtils

Constants

DefaultMimeTypes

Public Class Methods

dequote(str) click to toggle source
 
               # File webrick/httputils.rb, line 189
def dequote(str)
  ret = (/\A"(.*)"\Z/ =~ str) ? $1 : str.dup
  ret.gsub!(/\(.)/, "\\1")
  ret
end
            
load_mime_types(file) click to toggle source

Load Apache compatible mime.types file.

 
               # File webrick/httputils.rb, line 93
def load_mime_types(file)
  open(file){ |io|
    hash = Hash.new
    io.each{ |line|
      next if /^#/ =~ line
      line.chomp!
      mimetype, ext0 = line.split(/\s+/, 2)
      next unless ext0   
      next if ext0.empty?
      ext0.split(/\s+/).each{ |ext| hash[ext] = mimetype }
    }
    hash
  }
end
            
mime_type(filename, mime_tab) click to toggle source
 
               # File webrick/httputils.rb, line 109
def mime_type(filename, mime_tab)
  suffix1 = (/\.(\w+)$/ =~ filename && $1.downcase)
  suffix2 = (/\.(\w+)\.[\w\-]+$/ =~ filename && $1.downcase)
  mime_tab[suffix1] || mime_tab[suffix2] || "application/octet-stream"
end
            
normalize_path(path) click to toggle source
 
               # File webrick/httputils.rb, line 21
def normalize_path(path)
  raise "abnormal path `#{path}'" if path[0] != ?/
  ret = path.dup

  ret.gsub!(%r{/+}o, '/')                    # //      => /
  while ret.sub!(%r/\.(?:/|\Z)', '/'); end  # /.      => /
  while ret.sub!(%r/(?!\.\./)[^/]+/\.\.(?:/|\Z)', '/'); end # /foo/.. => /foo

  raise "abnormal path `#{path}'" if %r{/\.\.(/|\Z)} =~ ret
  ret
end
            
parse_header(raw) click to toggle source
 
               # File webrick/httputils.rb, line 118
def parse_header(raw)
  header = Hash.new([].freeze)
  field = nil
  raw.each{|line|
    case line
    when /^([A-Za-z0-9!\#$%&'*+\-.^_`|~]+):\s*(.*?)\s*\z/om
      field, value = $1, $2
      field.downcase!
      header[field] = [] unless header.has_key?(field)
      header[field] << value
    when /^\s+(.*?)\s*\z/om
      value = $1
      unless field
        raise HTTPStatus::BadRequest, "bad header '#{line}'."
      end
      header[field][-1] << " " << value
    else
      raise HTTPStatus::BadRequest, "bad header '#{line}'."
    end
  }
  header.each{|key, values|
    values.each{|value|
      value.strip!
      value.gsub!(/\s+/, " ")
    }
  }
  header
end
            
parse_qvalues(value) click to toggle source
 
               # File webrick/httputils.rb, line 169
def parse_qvalues(value)
  tmp = []
  if value
    parts = value.split(/,\s*/)
    parts.each {|part|
      if m = %r{^([^\s,]+?)(?:;\s*q=(\d+(?:\.\d+)?))?$}.match(part)
        val = m[1]
        q = (m[2] or 1).to_f
        tmp.push([val, q])
      end
    }
    tmp = tmp.sort_by{|val, q| -q}
    tmp.collect!{|val, q| val}
  end
  return tmp
end
            
parse_range_header(ranges_specifier) click to toggle source
 
               # File webrick/httputils.rb, line 154
def parse_range_header(ranges_specifier)
  if /^bytes=(.*)/ =~ ranges_specifier
    byte_range_set = split_header_value($1)
    byte_range_set.collect{|range_spec|
      case range_spec
      when /^(\d+)-(\d+)/ then $1.to_i .. $2.to_i
      when /^(\d+)-/      then $1.to_i .. -1
      when /^-(\d+)/      then -($1.to_i) .. -1
      else return nil
      end
    }
  end
end
            
quote(str) click to toggle source
 
               # File webrick/httputils.rb, line 196
def quote(str)
  '"' << str.gsub(/[\\"]/o, "\\\1") << '"'
end
            
split_header_value(str) click to toggle source
 
               # File webrick/httputils.rb, line 148
def split_header_value(str)
  str.scan(%r\G((?:"(?:\.|[^"])+?"|[^",]+)+)
                (?:,\s*|\Z)'xn).flatten
end
            

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