Class: Mechanize::CookieJar

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

Overview

This class is used to manage the Cookies that have been returned from any particular website.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ CookieJar

Returns a new instance of CookieJar.



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# File 'lib/mechanize/cookie_jar.rb', line 9

def initialize
  @jar = {}
end

Instance Attribute Details

#jar ⇒ Object (readonly)

Returns the value of attribute jar.



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# File 'lib/mechanize/cookie_jar.rb', line 7

def jar
  @jar
end

Instance Method Details

#add(uri, cookie) ⇒ Object

Add a cookie to the Jar.



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# File 'lib/mechanize/cookie_jar.rb', line 14

def add(uri, cookie)
  return unless uri.host =~ /#{CookieJar.strip_port(cookie.domain)}$/i

  normal_domain = cookie.domain.downcase

  unless @jar.has_key?(normal_domain)
    @jar[normal_domain] = Hash.new { |h,k| h[k] = {} }
  end

  @jar[normal_domain][cookie.path][cookie.name] = cookie
  cleanup
  cookie
end

#clear! ⇒ Object

Clear the cookie jar



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# File 'lib/mechanize/cookie_jar.rb', line 101

def clear!
  @jar = {}
end

#cookies(url) ⇒ Object

Fetch the cookies that should be used for the URI object passed in.



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# File 'lib/mechanize/cookie_jar.rb', line 29

def cookies(url)
  cleanup
  url.path = '/' if url.path.empty?

  domains = @jar.find_all { |domain, _|
    url.host =~ /#{CookieJar.strip_port(domain)}$/i
  }

  return [] unless domains.length > 0

  cookies = domains.map { |_,paths|
    paths.find_all { |path, _|
      url.path =~ /^#{Regexp.escape(path)}/
    }.map { |_,cookie| cookie.values }
  }.flatten

  cookies.find_all { |cookie|
    !cookie.expires || Time.now < cookie.expires
  }
end

#dump_cookiestxt(io) ⇒ Object

Write cookies to Mozilla cookies.txt-style IO stream



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# File 'lib/mechanize/cookie_jar.rb', line 143

def dump_cookiestxt(io)
  to_a.each do |cookie|
    fields = []
    fields[0] = cookie.domain

    if cookie.domain =~ /^\./
      fields[1] = "TRUE"
    else
      fields[1] = "FALSE"
    end

    fields[2] = cookie.path

    if cookie.secure == true
      fields[3] = "TRUE"
    else
      fields[3] = "FALSE"
    end

    fields[4] = cookie.expires.to_i.to_s

    fields[5] = cookie.name
    fields[6] = cookie.value
    io.puts(fields.join("\t"))
  end
end

#empty?(url) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mechanize/cookie_jar.rb', line 50

def empty?(url)
  cookies(url).length > 0 ? false : true
end

#load(file, format = :yaml) ⇒ Object

Load cookie jar from a file in the format specified.

Available formats: :yaml <- YAML structure. :cookiestxt <- Mozilla’s cookies.txt format



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# File 'lib/mechanize/cookie_jar.rb', line 87

def load(file, format = :yaml)
  @jar = ::File.open(file) { |f|
    case format
    when :yaml then
      YAML::load(f)
    when :cookiestxt then
      load_cookiestxt(f)
    else
      raise "Unknown cookie jar file format"
    end
  }
end

#load_cookiestxt(io) ⇒ Object

Read cookies from Mozilla cookies.txt-style IO stream



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# File 'lib/mechanize/cookie_jar.rb', line 107

def load_cookiestxt(io)
  now = Time.now
  fakeuri = Struct.new(:host)    # add_cookie wants something resembling a URI.

  io.each_line do |line|
    line.chomp!
    line.gsub!(/#.+/, '')
    fields = line.split("\t")

    next if fields.length != 7

    expires_seconds = fields[4].to_i
    begin
      expires = Time.at(expires_seconds)
    rescue
      next
      # Just in case we ever decide to support DateTime...
      # expires = DateTime.new(1970,1,1) + ((expires_seconds + 1) / (60*60*24.0))
    end
    next if expires < now

    c = Mechanize::Cookie.new(fields[5], fields[6])
    c.domain = fields[0]
    # Field 1 indicates whether the cookie can be read by other machines at the same domain.
    # This is computed by the cookie implementation, based on the domain value.
    c.path = fields[2]               # Path for which the cookie is relevant
    c.secure = (fields[3] == "TRUE") # Requires a secure connection
    c.expires = expires             # Time the cookie expires.
    c.version = 0                   # Conforms to Netscape cookie spec.

    add(fakeuri.new(c.domain), c)
  end
  @jar
end

#save_as(file, format = :yaml) ⇒ Object

Save the cookie jar to a file in the format specified.

Available formats: :yaml <- YAML structure :cookiestxt <- Mozilla’s cookies.txt format



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# File 'lib/mechanize/cookie_jar.rb', line 69

def save_as(file, format = :yaml)
  ::File.open(file, "w") { |f|
    case format
    when :yaml then
      YAML::dump(@jar, f)
    when :cookiestxt then
      dump_cookiestxt(f)
    else
      raise "Unknown cookie jar file format"
    end
  }
end

#to_a ⇒ Object 



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# File 'lib/mechanize/cookie_jar.rb', line 54

def to_a
  cookies = []
  @jar.each do |domain, paths|
    paths.each do |path, names|
      cookies << names.values
    end
  end
  cookies.flatten
end