Class: WebAgent::CookieManager

Inherits:
Object
  • Object
show all
Includes:
CookieUtils
Defined in:
lib/httpclient/cookie.rb

Defined Under Namespace

Classes: Error, ErrorOverrideOK, NoDotError, SpecialError

Constant Summary collapse

SPECIAL_DOMAIN = 
[".com",".edu",".gov",".mil",".net",".org",".int"]

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from CookieUtils

#domain_match, #head_match?, #tail_match?, #total_dot_num

Constructor Details

#initialize(file = nil) ⇒ CookieManager

Returns a new instance of CookieManager.



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# File 'lib/httpclient/cookie.rb', line 218

def initialize(file=nil)
  @cookies = Array.new()
  @cookies_file = file
  @is_saved = true
  @reject_domains = Array.new()
  @accept_domains = Array.new()
  # for conformance to http://wp.netscape.com/newsref/std/cookie_spec.html
  @netscape_rule = false
end

Instance Attribute Details

#accept_domains ⇒ Object

Returns the value of attribute accept_domains.



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# File 'lib/httpclient/cookie.rb', line 215

def accept_domains
  @accept_domains
end

#cookies ⇒ Object

Returns the value of attribute cookies.



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# File 'lib/httpclient/cookie.rb', line 213

def cookies
  @cookies
end

#cookies_file ⇒ Object

Returns the value of attribute cookies_file.



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# File 'lib/httpclient/cookie.rb', line 214

def cookies_file
  @cookies_file
end

#netscape_rule ⇒ Object

Returns the value of attribute netscape_rule.



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# File 'lib/httpclient/cookie.rb', line 216

def netscape_rule
  @netscape_rule
end

#reject_domains ⇒ Object

Returns the value of attribute reject_domains.



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# File 'lib/httpclient/cookie.rb', line 215

def reject_domains
  @reject_domains
end

Instance Method Details

#add(cookie) ⇒ Object 



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# File 'lib/httpclient/cookie.rb', line 314

def add(cookie)
  url = cookie.url
  name, value = cookie.name, cookie.value
  expires, domain, path = 
	cookie.expires, cookie.domain, cookie.path
  secure, domain_orig, path_orig = 
	cookie.secure?, cookie.domain_orig?, cookie.path_orig?
  discard, override = 
	cookie.discard?, cookie.override?

  domainname = url.host
  domain_orig, path_orig = domain, path
  use_security = override

  if !domainname
	cookie_error(NodotError.new(), override)
  end

  if domain

	# [DRAFT 12] s. 4.2.2 (does not apply in the case that
	# host name is the same as domain attribute for version 0
	# cookie)
	# I think that this rule has almost the same effect as the
	# tail match of [NETSCAPE].
	if domain !~ /^\./ && domainname != domain
	  domain = '.'+domain
	end

    if @netscape_rule
      n = total_dot_num(domain)
      if n < 2
        cookie_error(SpecialError.new(), override)
      elsif n == 2
        ## [NETSCAPE] rule
        ok = SPECIAL_DOMAIN.select{|sdomain|
          sdomain == domain[-(sdomain.length)..-1]
        }
        if ok.empty?
          cookie_error(SpecialError.new(), override)
        end
      end
    end

  end

  path ||= url.path.sub!(%r|/[^/]*|, '')
  domain ||= domainname
  cookie = find_cookie_info(domain, path, name)

  if !cookie
	cookie = WebAgent::Cookie.new()
	cookie.use = true
	@cookies << cookie
  end

  cookie.url = url
  cookie.name = name
  cookie.value = value
  cookie.expires = expires
  cookie.domain = domain
  cookie.path = path

  ## for flag
  cookie.secure = secure
  cookie.domain_orig = domain_orig
  cookie.path_orig = path_orig
  if discard || cookie.expires == nil
	cookie.discard = true
  else
	cookie.discard = false
	@is_saved = false
  end

  check_expired_cookies()
  return false
end

#check_cookie_accept_domain(domain) ⇒ Object 



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# File 'lib/httpclient/cookie.rb', line 410

def check_cookie_accept_domain(domain)
  unless domain
	return false
  end
  @accept_domains.each{|dom|
	if domain_match(domain, dom)
	  return true
	end
  }
  @reject_domains.each{|dom|
	if domain_match(domain, dom)
	  return false
	end
  }
  return true
end

#check_expired_cookies ⇒ Object 



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# File 'lib/httpclient/cookie.rb', line 252

def check_expired_cookies()
  @cookies.reject!{|cookie|
	is_expired = (cookie.expires && (cookie.expires < Time.now.gmtime))
	if is_expired && !cookie.discard?
	  @is_saved = false
	end
	is_expired
  }
end

#find(url) ⇒ Object 



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# File 'lib/httpclient/cookie.rb', line 284

def find(url)

  check_expired_cookies()

  cookie_list = Array.new()

  @cookies.each{|cookie|
	if cookie.use? && cookie.match?(url)
	  if cookie_list.select{|c1| c1.name == cookie.name}.empty?
 cookie_list << cookie
	  end
	end
  }
  return make_cookie_str(cookie_list)
end

#load_cookies ⇒ Object 



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# File 'lib/httpclient/cookie.rb', line 392

def load_cookies()
  return if !File.readable?(@cookies_file)
  File.open(@cookies_file,'r'){|f|
	while line = f.gets
	  cookie = WebAgent::Cookie.new()
	  @cookies << cookie
	  col = line.chomp.split(/\t/)
	  cookie.url = URI.parse(col[0])
	  cookie.name = col[1]
	  cookie.value = col[2]
	  cookie.expires = Time.at(col[3].to_i)
	  cookie.domain = col[4]
	  cookie.path = col[5]
	  cookie.set_flag(col[6])
	end
  }
end

#parse(str, url) ⇒ Object 



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# File 'lib/httpclient/cookie.rb', line 262

def parse(str, url)
  cookie = WebAgent::Cookie.new()
  cookie.parse(str, url)
  add(cookie)
end

#save_all_cookies(force = nil, save_unused = true, save_discarded = true) ⇒ Object 



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# File 'lib/httpclient/cookie.rb', line 228

def save_all_cookies(force = nil, save_unused = true, save_discarded = true)
  if @is_saved and !force
	return
  end
  File.open(@cookies_file, 'w') do |f|
	@cookies.each do |cookie|
      if (cookie.use? or save_unused) and
          (!cookie.discard? or save_discarded)
 f.print(cookie.url.to_s,"\t",
  cookie.name,"\t",
  cookie.value,"\t",
  cookie.expires.to_i,"\t",
  cookie.domain,"\t",
  cookie.path,"\t",
  cookie.flag,"\n")
	  end
    end
  end
end

#save_cookies(force = nil) ⇒ Object 



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# File 'lib/httpclient/cookie.rb', line 248

def save_cookies(force = nil)
  save_all_cookies(force, false, false)
end