Class: Arachni::Element::Cookie
- Includes:
- Arachni::Element::Capabilities::Analyzable, Arachni::Element::Capabilities::Auditable, Arachni::Element::Capabilities::Inputtable, Arachni::Element::Capabilities::Mutable, Arachni::Element::Capabilities::Submittable, Arachni::Element::Capabilities::WithDOM, Arachni::Element::Capabilities::WithSource
- Defined in:
- lib/arachni/element/cookie.rb,
lib/arachni/element/cookie/dom.rb,
lib/arachni/element/cookie/capabilities/mutable.rb,
lib/arachni/element/cookie/capabilities/with_dom.rb,
lib/arachni/element/cookie/capabilities/inputtable.rb
Overview
Represents a Cookie object and provides helper class methods for parsing, encoding, etc.
Defined Under Namespace
Modules: Capabilities Classes: DOM
Constant Summary collapse
- ENCODE_CHARACTERS =
['+', ';', '%', "\0", '&', ' ', '"', "\n", "\r"]
- ENCODE_CHARACTERS_LIST =
ENCODE_CHARACTERS.join
- ENCODE_CHARACTERS_IN_NAME =
ENCODE_CHARACTERS + ['=']
- ENCODE_CHARACTERS_IN_NAME_LIST =
ENCODE_CHARACTERS_IN_NAME.join
- DEFAULT =
Default cookie values
{ name: nil, value: nil, version: 0, port: nil, discard: nil, comment_url: nil, expires: nil, max_age: nil, comment: nil, secure: nil, path: nil, domain: nil, httponly: false }
Constants included from Arachni::Element::Capabilities::Mutable
Arachni::Element::Capabilities::Mutable::EXTRA_NAME, Arachni::Element::Capabilities::Mutable::FUZZ_NAME, Arachni::Element::Capabilities::Mutable::FUZZ_NAME_VALUE, Arachni::Element::Capabilities::Mutable::MUTATION_OPTIONS
Constants included from Arachni::Element::Capabilities::Inputtable
Arachni::Element::Capabilities::Inputtable::INPUTTABLE_CACHE
Constants included from Arachni::Element::Capabilities::Analyzable::Differential
Arachni::Element::Capabilities::Analyzable::Differential::DIFFERENTIAL_OPTIONS
Constants included from Arachni::Element::Capabilities::Analyzable::Timeout
Arachni::Element::Capabilities::Analyzable::Timeout::TIMEOUT_OPTIONS
Constants included from Arachni::Element::Capabilities::Analyzable::Signature
Arachni::Element::Capabilities::Analyzable::Signature::SIGNATURE_CACHE, Arachni::Element::Capabilities::Analyzable::Signature::SIGNATURE_OPTIONS
Constants included from Arachni::Element::Capabilities::Auditable
Arachni::Element::Capabilities::Auditable::OPTIONS
Constants inherited from Base
Instance Attribute Summary collapse
-
#data ⇒ Object
readonly
Returns the value of attribute data.
Attributes included from Arachni::Element::Capabilities::Mutable
#affected_input_name, #format, #seed
Attributes included from Arachni::Element::Capabilities::Inputtable
Attributes included from Arachni::Element::Capabilities::WithDOM
Attributes included from Arachni::Element::Capabilities::WithSource
Attributes included from Arachni::Element::Capabilities::Analyzable::Differential
#differential_analysis_options
Attributes included from Arachni::Element::Capabilities::Analyzable::Timeout
Attributes included from Arachni::Element::Capabilities::Auditable
Attributes included from Arachni::Element::Capabilities::WithAuditor
Attributes inherited from Base
#initialization_options, #page
Class Method Summary collapse
-
.decode(str) ⇒ String
Decodes a String encoded for the ‘Cookie` header field.
-
.encode(str, name = false) ⇒ String
Encodes a String‘s reserved characters in order to prepare it for the `Cookie` header field.
-
.expires_to_time(expires) ⇒ Time
Converts a cookie’s expiration date to a Ruby ‘Time` object.
-
.from_document(url, document) ⇒ Array<Cookie>
Extracts cookies from a document based on ‘Set-Cookie` `http-equiv` meta tags.
-
.from_file(url, filepath) ⇒ Array<Cookie>
Parses a Netscape Cookie-jar into an Array of Cookie.
-
.from_headers(url, headers) ⇒ Array<Cookie>
Extracts cookies from the ‘Set-Cookie` HTTP response header field.
-
.from_response(response) ⇒ Array<Cookie>
Extracts cookies from an HTTP response.
- .from_rpc_data(data) ⇒ Object
-
.from_set_cookie(url, str) ⇒ Array<Cookie>
(also: parse_set_cookie)
Parses the ‘Set-Cookie` header value into cookie elements.
-
.from_string(url, string) ⇒ Array<Cookie>
Parses a string formatted for the ‘Cookie` HTTP request header field into cookie elements.
- .keep_for_set_cookie ⇒ Object
- .value_to_v0(value) ⇒ Object
Instance Method Summary collapse
- #decode(str) ⇒ Object
- #encode(*args) ⇒ Object
-
#expired?(time = Time.now) ⇒ Boolean
Indicates whether or not the cookie has expired.
-
#expires_at ⇒ Time, NilClass
Expiration ‘Time` of the cookie or `nil` if it doesn’t have one (i.e. is a session cookie).
-
#http_only? ⇒ Bool
Indicates whether the cookie is safe from modification from client-side code.
-
#initialize(options) ⇒ Cookie
constructor
A new instance of Cookie.
-
#method_missing(sym, *args, &block) ⇒ Object
Uses the method name as a key to cookie attributes in DEFAULT.
-
#respond_to?(*args) ⇒ Bool
Used by #method_missing to determine if it should process the call.
-
#secure? ⇒ Bool
Indicates whether the cookie must be only sent over an encrypted channel.
-
#session? ⇒ Bool
Indicates whether the cookie is to be discarded at the end of the session.
-
#simple ⇒ Hash
Simple representation of the cookie as a hash – with the cookie name as ‘key` and the cookie value as `value`.
- #to_rpc_data ⇒ Object
-
#to_s ⇒ String
To be used in a ‘Cookie` HTTP request header.
-
#to_set_cookie ⇒ String
Converts self to a ‘Set-Cookie` string.
Methods included from Arachni::Element::Capabilities::Mutable
#affected_input_value, #affected_input_value=, #dup, #each_mutation, #immutables, #inspect, #mutation?, #mutations, #reset, #switch_method, #to_h
Methods included from Arachni::Element::Capabilities::Inputtable
#[], #[]=, #changes, #dup, #has_inputs?, #inputtable_id, #reset, #to_h, #try_input, #update, #valid_input_data?, #valid_input_name?, #valid_input_name_data?, #valid_input_value?, #valid_input_value_data?
Methods included from Arachni::Element::Capabilities::WithDOM
Methods included from Arachni::Element::Capabilities::WithSource
Methods included from Arachni::Element::Capabilities::Analyzable
has_timeout_candidates?, reset, timeout_audit_run
Methods included from Arachni::Element::Capabilities::Analyzable::Differential
#differential_analysis, #dup, reset
Methods included from Arachni::Element::Capabilities::Analyzable::Timeout
add_phase_2_candidate, candidates_include?, deduplicate, deduplicate?, do_not_deduplicate, #dup, #ensure_responsiveness, has_candidates?, payload_delay_from_options, reset, run, #timeout_analysis, timeout_from_options, #timeout_id, #timing_attack_probe, #timing_attack_verify
Methods included from Arachni::Element::Capabilities::Analyzable::Signature
Methods included from Arachni::Element::Capabilities::Auditable
#audit, #audit_id, #audit_status_message, #audit_status_message_action, #audit_verbose_message, #coverage_hash, #coverage_id, #dup, #matches_skip_like_blocks?, #reset, reset, #skip?, skip_like
Methods included from Arachni::Element::Capabilities::WithAuditor
#dup, #marshal_dump, #orphan?, #prepare_for_report, #remove_auditor
Methods included from Utilities
#available_port, #bytes_to_kilobytes, #bytes_to_megabytes, #caller_name, #caller_path, #cookie_decode, #cookie_encode, #cookies_from_document, #cookies_from_file, #cookies_from_response, #exception_jail, #exclude_path?, #follow_protocol?, #form_decode, #form_encode, #forms_from_document, #forms_from_response, #full_and_absolute_url?, #generate_token, #get_path, #hms_to_seconds, #html_decode, #html_encode, #include_path?, #links_from_document, #links_from_response, #normalize_url, #page_from_response, #page_from_url, #parse_set_cookie, #path_in_domain?, #path_too_deep?, #port_available?, #rand_port, #random_seed, #redundant_path?, #regexp_array_match, #remove_constants, #request_parse_body, #seconds_to_hms, #skip_page?, #skip_path?, #skip_resource?, #skip_response?, #to_absolute, #uri_decode, #uri_encode, #uri_parse, #uri_parse_query, #uri_parser, #uri_rewrite
Methods included from Arachni::Element::Capabilities::Submittable
#action, #action=, #dup, #http, #id, #method, #method=, #platforms, #submit, #to_h
Methods inherited from Base
#==, #action, #dup, #hash, #id, #marshal_dump, #marshal_load, #persistent_hash, #prepare_for_report, #reset, #to_h, #to_hash, too_big?, type, #type, #url, #url=
Methods included from Arachni::Element::Capabilities::WithScope
Constructor Details
#initialize(options) ⇒ Cookie
Returns a new instance of Cookie.
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# File 'lib/arachni/element/cookie.rb', line 72 def initialize( ) @data = {} super( ) if [:name] && [:value] [:name] = [:name].to_s.recode [:value] = [:value].to_s.recode self.inputs = { [:name] => [:value] } @data.merge!( ) else self.inputs = ([:inputs] || {}).dup end @data.merge!( DEFAULT.merge( @data ) ) @data[:value] = decode( @data[:value].to_s ) rescue @data[:value].to_s parsed_uri = uri_parse( action ) if !@data[:path] path = parsed_uri.path path = !path.empty? ? path : '/' @data[:path] = path end if @data[:expires] && !@data[:expires].is_a?( Time ) @data[:expires] = Time.parse( @data[:expires] ) rescue nil end @data[:domain] ||= parsed_uri.host @default_inputs = self.inputs.dup.freeze end |
Dynamic Method Handling
This class handles dynamic methods through the method_missing method
Instance Attribute Details
#data ⇒ Object (readonly)
Returns the value of attribute data.
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# File 'lib/arachni/element/cookie.rb', line 61 def data @data end |
Class Method Details
.decode(str) ⇒ String
Decodes a String encoded for the ‘Cookie` header field.
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# File 'lib/arachni/element/cookie.rb', line 455 def decode( str ) Form.decode str end |
.encode(str, name = false) ⇒ String
Encodes a String‘s reserved characters in order to prepare it for the `Cookie` header field.
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# File 'lib/arachni/element/cookie.rb', line 422 def encode( str, name = false ) str = str.to_s return str if !(name ? ENCODE_CHARACTERS_IN_NAME : ENCODE_CHARACTERS). find { |c| str.include? c } # Instead of just encoding everything we do this selectively because: # # * Some webapps don't actually decode some cookies, they just get # the raw value, so if we encode something may break. # * We need to encode spaces as '+' because of the above. # Since we decode values, any un-encoded '+' will be converted # to spaces, and in order to send back a value that the server # expects we use '+' for spaces. s = ::URI.encode( str, name ? ENCODE_CHARACTERS_IN_NAME_LIST : ENCODE_CHARACTERS_LIST ) s.gsub!( '%20', '+' ) s end |
.expires_to_time(expires) ⇒ Time
Converts a cookie’s expiration date to a Ruby ‘Time` object.
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# File 'lib/arachni/element/cookie.rb', line 282 def expires_to_time( expires ) return nil if expires == '0' (expires_to_i = expires.to_i) > 0 ? Time.at( expires_to_i ) : Time.parse( expires ) end |
.from_document(url, document) ⇒ Array<Cookie>
Extracts cookies from a document based on ‘Set-Cookie` `http-equiv` meta tags.
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# File 'lib/arachni/element/cookie.rb', line 310 def from_document( url, document ) if !document.is_a?( Nokogiri::HTML::Document ) document = document.to_s return [] if !(document =~ /set-cookie/i ) document = Nokogiri::HTML( document ) end Arachni::Utilities.exception_jail { document.search( '//meta[@http-equiv]' ).map do |elem| next if elem['http-equiv'].downcase != 'set-cookie' ( url, elem['content'] ) end.flatten.compact } rescue [] end |
.from_file(url, filepath) ⇒ Array<Cookie>
Parses a Netscape Cookie-jar into an Array of Arachni::Element::Cookie.
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# File 'lib/arachni/element/cookie.rb', line 244 def from_file( url, filepath ) File.open( filepath, 'r' ).map do |line| # skip empty lines next if (line = line.strip).empty? || line[0] == '#' c = {} c['domain'], foo, c['path'], c['secure'], c['expires'], c['name'], c['value'] = *line.split( "\t" ) # expiry date is optional so if we don't have one push everything back begin c['expires'] = expires_to_time( c['expires'] ) rescue c['value'] = c['name'].dup c['name'] = c['expires'].dup c['expires'] = nil end c['secure'] = (c['secure'] == 'TRUE') ? true : false new( { url: url }.merge( c.my_symbolize_keys ) ) end.flatten.compact end |
.from_headers(url, headers) ⇒ Array<Cookie>
Extracts cookies from the ‘Set-Cookie` HTTP response header field.
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# File 'lib/arachni/element/cookie.rb', line 337 def from_headers( url, headers ) headers = Arachni::HTTP::Headers.new( headers ) return [] if headers..empty? exception_jail { headers..map { |c| ( url, c ) }.flatten } rescue [] end |
.from_response(response) ⇒ Array<Cookie>
Extracts cookies from an HTTP response.
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# File 'lib/arachni/element/cookie.rb', line 295 def from_response( response ) from_document( response.url, response.body ) | from_headers( response.url, response.headers ) end |
.from_rpc_data(data) ⇒ Object
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# File 'lib/arachni/element/cookie.rb', line 219 def from_rpc_data( data ) if data['initialization_options']['expires'] data['initialization_options']['expires'] = Time.parse( data['initialization_options']['expires'] ) end if data['data']['expires'] data['data']['expires'] = Time.parse( data['data']['expires'] ) end data['data'] = data['data'].my_symbolize_keys(false) super data end |
.from_set_cookie(url, str) ⇒ Array<Cookie> Also known as:
Parses the ‘Set-Cookie` header value into cookie elements.
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# File 'lib/arachni/element/cookie.rb', line 354 def ( url, str ) WEBrick::Cookie.( str ).flatten.uniq.map do || = {} .instance_variables.each do |var| [var.to_s.gsub( /@/, '' )] = .instance_variable_get( var ) end ['expires'] = .expires ['path'] ||= '/' ['name'] = decode( .name ) if too_big?( .value ) ['value'] = '' else ['value'] = decode( .value ) end new( { url: url, source: str }.merge( .my_symbolize_keys ) ) end.flatten.compact end |
.from_string(url, string) ⇒ Array<Cookie>
Parses a string formatted for the ‘Cookie` HTTP request header field into cookie elements.
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# File 'lib/arachni/element/cookie.rb', line 385 def from_string( url, string ) return [] if string.empty? string.split( ';' ).map do || .strip! k, v = *.split( '=', 2 ) v = '' if too_big?( v ) new( url: url, source: , inputs: { decode( k ) => value_to_v0( v ) } ) end.flatten.compact end |
.keep_for_set_cookie ⇒ Object
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# File 'lib/arachni/element/cookie.rb', line 459 def return @keep if @keep @keep = Set.new( DEFAULT.keys ) @keep.delete( :name ) @keep.delete( :value ) @keep.delete( :url ) @keep.delete( :secure ) @keep.delete( :httponly ) @keep.delete( :version ) @keep end |
.value_to_v0(value) ⇒ Object
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# File 'lib/arachni/element/cookie.rb', line 403 def value_to_v0( value ) return '' if !value value.start_with?( '"' ) && value.end_with?( '"' ) ? value[1...-1] : decode( value ) end |
Instance Method Details
#decode(str) ⇒ Object
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# File 'lib/arachni/element/cookie.rb', line 197 def decode( str ) self.class.decode( str ) end |
#encode(*args) ⇒ Object
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# File 'lib/arachni/element/cookie.rb', line 192 def encode( *args ) self.class.encode( *args ) end |
#expired?(time = Time.now) ⇒ Boolean
Indicates whether or not the cookie has expired.
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# File 'lib/arachni/element/cookie.rb', line 141 def expired?( time = Time.now ) expires_at != nil && time > expires_at end |
#expires_at ⇒ Time, NilClass
Returns Expiration ‘Time` of the cookie or `nil` if it doesn’t have one (i.e. is a session cookie).
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# File 'lib/arachni/element/cookie.rb', line 131 def expires_at @data[:expires] end |
#http_only? ⇒ Bool
Indicates whether the cookie is safe from modification from client-side code.
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# File 'lib/arachni/element/cookie.rb', line 115 def http_only? @data[:httponly] == true end |
#respond_to?(*args) ⇒ Bool
Used by #method_missing to determine if it should process the call.
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# File 'lib/arachni/element/cookie.rb', line 167 def respond_to?( *args ) (@data && @data.include?( args.first )) || super end |
#secure? ⇒ Bool
Indicates whether the cookie must be only sent over an encrypted channel.
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# File 'lib/arachni/element/cookie.rb', line 108 def secure? @data[:secure] == true end |
#session? ⇒ Bool
Indicates whether the cookie is to be discarded at the end of the session.
Doesn’t play a role during the scan but it can provide useful info to checks and such.
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# File 'lib/arachni/element/cookie.rb', line 124 def session? @data[:expires].nil? end |
#simple ⇒ Hash
Returns Simple representation of the cookie as a hash – with the cookie name as ‘key` and the cookie value as `value`.
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# File 'lib/arachni/element/cookie.rb', line 153 def simple self.inputs.dup end |
#to_rpc_data ⇒ Object
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# File 'lib/arachni/element/cookie.rb', line 201 def to_rpc_data h = super if h['initialization_options']['expires'] h['initialization_options']['expires'] = h['initialization_options']['expires'].to_s end h['data'] = h['data'].my_stringify_keys(false) if h['data']['expires'] h['data']['expires'] = h['data']['expires'].to_s end h end |
#to_s ⇒ String
Returns To be used in a ‘Cookie` HTTP request header.
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# File 'lib/arachni/element/cookie.rb', line 173 def to_s "#{encode( name, true )}=#{encode( value )}" end |
#to_set_cookie ⇒ String
Returns Converts self to a ‘Set-Cookie` string.
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# File 'lib/arachni/element/cookie.rb', line 179 def = "#{self.to_s}; " << @data.map do |k, v| next if !v || !self.class..include?( k ) "#{k.capitalize}=#{v}" end.compact.join( '; ' ) << '; Secure' if secure? << '; HttpOnly' if http_only? end |