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/*!
* Copyright (c) 2015, Salesforce.com, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of Salesforce.com nor the names of its contributors may
* be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
'use strict';
var net = require('net');
var urlParse = require('url').parse;
var pubsuffix = require('./pubsuffix');
var Store = require('./store').Store;
var MemoryCookieStore = require('./memstore').MemoryCookieStore;
var pathMatch = require('./pathMatch').pathMatch;
var VERSION = require('../package.json').version;
var punycode;
try {
punycode = require('punycode');
} catch(e) {
console.warn("cookie: can't load punycode; won't use punycode for domain normalization");
}
// From RFC6265 S4.1.1
// note that it excludes \x3B ";"
var COOKIE_OCTETS = /^[\x21\x23-\x2B\x2D-\x3A\x3C-\x5B\x5D-\x7E]+$/;
var CONTROL_CHARS = /[\x00-\x1F]/;
// From Chromium // '\r', '\n' and '\0' should be treated as a terminator in
// the "relaxed" mode, see:
// https://github.com/ChromiumWebApps/chromium/blob/b3d3b4da8bb94c1b2e061600df106d590fda3620/net/cookies/parsed_cookie.cc#L60
var TERMINATORS = ['\n', '\r', '\0'];
// RFC6265 S4.1.1 defines path value as 'any CHAR except CTLs or ";"'
// Note ';' is \x3B
var PATH_VALUE = /[\x20-\x3A\x3C-\x7E]+/;
// date-time parsing constants (RFC6265 S5.1.1)
var DATE_DELIM = /[\x09\x20-\x2F\x3B-\x40\x5B-\x60\x7B-\x7E]/;
var MONTH_TO_NUM = {
jan:0, feb:1, mar:2, apr:3, may:4, jun:5,
jul:6, aug:7, sep:8, oct:9, nov:10, dec:11
};
var NUM_TO_MONTH = [
'Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'
];
var NUM_TO_DAY = [
'Sun','Mon','Tue','Wed','Thu','Fri','Sat'
];
var MAX_TIME = 2147483647000; // 31-bit max
var MIN_TIME = 0; // 31-bit min
/*
* Parses a Natural number (i.e., non-negative integer) with either the
* <min>*<max>DIGIT ( non-digit *OCTET )
* or
* <min>*<max>DIGIT
* grammar (RFC6265 S5.1.1).
*
* The "trailingOK" boolean controls if the grammar accepts a
* "( non-digit *OCTET )" trailer.
*/
function parseDigits(token, minDigits, maxDigits, trailingOK) {
var count = 0;
while (count < token.length) {
var c = token.charCodeAt(count);
// "non-digit = %x00-2F / %x3A-FF"
if (c <= 0x2F || c >= 0x3A) {
break;
}
count++;
}
// constrain to a minimum and maximum number of digits.
if (count < minDigits || count > maxDigits) {
return null;
}
if (!trailingOK && count != token.length) {
return null;
}
return parseInt(token.substr(0,count), 10);
}
function parseTime(token) {
var parts = token.split(':');
var result = [0,0,0];
/* RF6256 S5.1.1:
* time = hms-time ( non-digit *OCTET )
* hms-time = time-field ":" time-field ":" time-field
* time-field = 1*2DIGIT
*/
if (parts.length !== 3) {
return null;
}
for (var i = 0; i < 3; i++) {
// "time-field" must be strictly "1*2DIGIT", HOWEVER, "hms-time" can be
// followed by "( non-digit *OCTET )" so therefore the last time-field can
// have a trailer
var trailingOK = (i == 2);
var num = parseDigits(parts[i], 1, 2, trailingOK);
if (num === null) {
return null;
}
result[i] = num;
}
return result;
}
function parseMonth(token) {
token = String(token).substr(0,3).toLowerCase();
var num = MONTH_TO_NUM[token];
return num >= 0 ? num : null;
}
/*
* RFC6265 S5.1.1 date parser (see RFC for full grammar)
*/
function parseDate(str) {
if (!str) {
return;
}
/* RFC6265 S5.1.1:
* 2. Process each date-token sequentially in the order the date-tokens
* appear in the cookie-date
*/
var tokens = str.split(DATE_DELIM);
if (!tokens) {
return;
}
var hour = null;
var minute = null;
var second = null;
var dayOfMonth = null;
var month = null;
var year = null;
for (var i=0; i<tokens.length; i++) {
var token = tokens[i].trim();
if (!token.length) {
continue;
}
var result;
/* 2.1. If the found-time flag is not set and the token matches the time
* production, set the found-time flag and set the hour- value,
* minute-value, and second-value to the numbers denoted by the digits in
* the date-token, respectively. Skip the remaining sub-steps and continue
* to the next date-token.
*/
if (second === null) {
result = parseTime(token);
if (result) {
hour = result[0];
minute = result[1];
second = result[2];
continue;
}
}
/* 2.2. If the found-day-of-month flag is not set and the date-token matches
* the day-of-month production, set the found-day-of- month flag and set
* the day-of-month-value to the number denoted by the date-token. Skip
* the remaining sub-steps and continue to the next date-token.
*/
if (dayOfMonth === null) {
// "day-of-month = 1*2DIGIT ( non-digit *OCTET )"
result = parseDigits(token, 1, 2, true);
if (result !== null) {
dayOfMonth = result;
continue;
}
}
/* 2.3. If the found-month flag is not set and the date-token matches the
* month production, set the found-month flag and set the month-value to
* the month denoted by the date-token. Skip the remaining sub-steps and
* continue to the next date-token.
*/
if (month === null) {
result = parseMonth(token);
if (result !== null) {
month = result;
continue;
}
}
/* 2.4. If the found-year flag is not set and the date-token matches the
* year production, set the found-year flag and set the year-value to the
* number denoted by the date-token. Skip the remaining sub-steps and
* continue to the next date-token.
*/
if (year === null) {
// "year = 2*4DIGIT ( non-digit *OCTET )"
result = parseDigits(token, 2, 4, true);
if (result !== null) {
year = result;
/* From S5.1.1:
* 3. If the year-value is greater than or equal to 70 and less
* than or equal to 99, increment the year-value by 1900.
* 4. If the year-value is greater than or equal to 0 and less
* than or equal to 69, increment the year-value by 2000.
*/
if (year >= 70 && year <= 99) {
year += 1900;
} else if (year >= 0 && year <= 69) {
year += 2000;
}
}
}
}
/* RFC 6265 S5.1.1
* "5. Abort these steps and fail to parse the cookie-date if:
* * at least one of the found-day-of-month, found-month, found-
* year, or found-time flags is not set,
* * the day-of-month-value is less than 1 or greater than 31,
* * the year-value is less than 1601,
* * the hour-value is greater than 23,
* * the minute-value is greater than 59, or
* * the second-value is greater than 59.
* (Note that leap seconds cannot be represented in this syntax.)"
*
* So, in order as above:
*/
if (
dayOfMonth === null || month === null || year === null || second === null ||
dayOfMonth < 1 || dayOfMonth > 31 ||
year < 1601 ||
hour > 23 ||
minute > 59 ||
second > 59
) {
return;
}
return new Date(Date.UTC(year, month, dayOfMonth, hour, minute, second));
}
function formatDate(date) {
var d = date.getUTCDate(); d = d >= 10 ? d : '0'+d;
var h = date.getUTCHours(); h = h >= 10 ? h : '0'+h;
var m = date.getUTCMinutes(); m = m >= 10 ? m : '0'+m;
var s = date.getUTCSeconds(); s = s >= 10 ? s : '0'+s;
return NUM_TO_DAY[date.getUTCDay()] + ', ' +
d+' '+ NUM_TO_MONTH[date.getUTCMonth()] +' '+ date.getUTCFullYear() +' '+
h+':'+m+':'+s+' GMT';
}
// S5.1.2 Canonicalized Host Names
function canonicalDomain(str) {
if (str == null) {
return null;
}
str = str.trim().replace(/^\./,''); // S4.1.2.3 & S5.2.3: ignore leading .
// convert to IDN if any non-ASCII characters
if (punycode && /[^\u0001-\u007f]/.test(str)) {
str = punycode.toASCII(str);
}
return str.toLowerCase();
}
// S5.1.3 Domain Matching
function domainMatch(str, domStr, canonicalize) {
if (str == null || domStr == null) {
return null;
}
if (canonicalize !== false) {
str = canonicalDomain(str);
domStr = canonicalDomain(domStr);
}
/*
* "The domain string and the string are identical. (Note that both the
* domain string and the string will have been canonicalized to lower case at
* this point)"
*/
if (str == domStr) {
return true;
}
/* "All of the following [three] conditions hold:" (order adjusted from the RFC) */
/* "* The string is a host name (i.e., not an IP address)." */
if (net.isIP(str)) {
return false;
}
/* "* The domain string is a suffix of the string" */
var idx = str.indexOf(domStr);
if (idx <= 0) {
return false; // it's a non-match (-1) or prefix (0)
}
// e.g "a.b.c".indexOf("b.c") === 2
// 5 === 3+2
if (str.length !== domStr.length + idx) { // it's not a suffix
return false;
}
/* "* The last character of the string that is not included in the domain
* string is a %x2E (".") character." */
if (str.substr(idx-1,1) !== '.') {
return false;
}
return true;
}
// RFC6265 S5.1.4 Paths and Path-Match
/*
* "The user agent MUST use an algorithm equivalent to the following algorithm
* to compute the default-path of a cookie:"
*
* Assumption: the path (and not query part or absolute uri) is passed in.
*/
function defaultPath(path) {
// "2. If the uri-path is empty or if the first character of the uri-path is not
// a %x2F ("/") character, output %x2F ("/") and skip the remaining steps.
if (!path || path.substr(0,1) !== "/") {
return "/";
}
// "3. If the uri-path contains no more than one %x2F ("/") character, output
// %x2F ("/") and skip the remaining step."
if (path === "/") {
return path;
}
var rightSlash = path.lastIndexOf("/");
if (rightSlash === 0) {
return "/";
}
// "4. Output the characters of the uri-path from the first character up to,
// but not including, the right-most %x2F ("/")."
return path.slice(0, rightSlash);
}
function trimTerminator(str) {
for (var t = 0; t < TERMINATORS.length; t++) {
var terminatorIdx = str.indexOf(TERMINATORS[t]);
if (terminatorIdx !== -1) {
str = str.substr(0,terminatorIdx);
}
}
return str;
}
function parseCookiePair(cookiePair, looseMode) {
cookiePair = trimTerminator(cookiePair);
var firstEq = cookiePair.indexOf('=');
if (looseMode) {
if (firstEq === 0) { // '=' is immediately at start
cookiePair = cookiePair.substr(1);
firstEq = cookiePair.indexOf('='); // might still need to split on '='
}
} else { // non-loose mode
if (firstEq <= 0) { // no '=' or is at start
return; // needs to have non-empty "cookie-name"
}
}
var cookieName, cookieValue;
if (firstEq <= 0) {
cookieName = "";
cookieValue = cookiePair.trim();
} else {
cookieName = cookiePair.substr(0, firstEq).trim();
cookieValue = cookiePair.substr(firstEq+1).trim();
}
if (CONTROL_CHARS.test(cookieName) || CONTROL_CHARS.test(cookieValue)) {
return;
}
var c = new Cookie();
c.key = cookieName;
c.value = cookieValue;
return c;
}
function parse(str, options) {
if (!options || typeof options !== 'object') {
options = {};
}
str = str.trim();
// We use a regex to parse the "name-value-pair" part of S5.2
var firstSemi = str.indexOf(';'); // S5.2 step 1
var cookiePair = (firstSemi === -1) ? str : str.substr(0, firstSemi);
var c = parseCookiePair(cookiePair, !!options.loose);
if (!c) {
return;
}
if (firstSemi === -1) {
return c;
}
// S5.2.3 "unparsed-attributes consist of the remainder of the set-cookie-string
// (including the %x3B (";") in question)." plus later on in the same section
// "discard the first ";" and trim".
var unparsed = str.slice(firstSemi + 1).trim();
// "If the unparsed-attributes string is empty, skip the rest of these
// steps."
if (unparsed.length === 0) {
return c;
}
/*
* S5.2 says that when looping over the items "[p]rocess the attribute-name
* and attribute-value according to the requirements in the following
* subsections" for every item. Plus, for many of the individual attributes
* in S5.3 it says to use the "attribute-value of the last attribute in the
* cookie-attribute-list". Therefore, in this implementation, we overwrite
* the previous value.
*/
var cookie_avs = unparsed.split(';');
while (cookie_avs.length) {
var av = cookie_avs.shift().trim();
if (av.length === 0) { // happens if ";;" appears
continue;
}
var av_sep = av.indexOf('=');
var av_key, av_value;
if (av_sep === -1) {
av_key = av;
av_value = null;
} else {
av_key = av.substr(0,av_sep);
av_value = av.substr(av_sep+1);
}
av_key = av_key.trim().toLowerCase();
if (av_value) {
av_value = av_value.trim();
}
switch(av_key) {
case 'expires': // S5.2.1
if (av_value) {
var exp = parseDate(av_value);
// "If the attribute-value failed to parse as a cookie date, ignore the
// cookie-av."
if (exp) {
// over and underflow not realistically a concern: V8's getTime() seems to
// store something larger than a 32-bit time_t (even with 32-bit node)
c.expires = exp;
}
}
break;
case 'max-age': // S5.2.2
if (av_value) {
// "If the first character of the attribute-value is not a DIGIT or a "-"
// character ...[or]... If the remainder of attribute-value contains a
// non-DIGIT character, ignore the cookie-av."
if (/^-?[0-9]+$/.test(av_value)) {
var delta = parseInt(av_value, 10);
// "If delta-seconds is less than or equal to zero (0), let expiry-time
// be the earliest representable date and time."
c.setMaxAge(delta);
}
}
break;
case 'domain': // S5.2.3
// "If the attribute-value is empty, the behavior is undefined. However,
// the user agent SHOULD ignore the cookie-av entirely."
if (av_value) {
// S5.2.3 "Let cookie-domain be the attribute-value without the leading %x2E
// (".") character."
var domain = av_value.trim().replace(/^\./, '');
if (domain) {
// "Convert the cookie-domain to lower case."
c.domain = domain.toLowerCase();
}
}
break;
case 'path': // S5.2.4
/*
* "If the attribute-value is empty or if the first character of the
* attribute-value is not %x2F ("/"):
* Let cookie-path be the default-path.
* Otherwise:
* Let cookie-path be the attribute-value."
*
* We'll represent the default-path as null since it depends on the
* context of the parsing.
*/
c.path = av_value && av_value[0] === "/" ? av_value : null;
break;
case 'secure': // S5.2.5
/*
* "If the attribute-name case-insensitively matches the string "Secure",
* the user agent MUST append an attribute to the cookie-attribute-list
* with an attribute-name of Secure and an empty attribute-value."
*/
c.secure = true;
break;
case 'httponly': // S5.2.6 -- effectively the same as 'secure'
c.httpOnly = true;
break;
default:
c.extensions = c.extensions || [];
c.extensions.push(av);
break;
}
}
return c;
}
// avoid the V8 deoptimization monster!
function jsonParse(str) {
var obj;
try {
obj = JSON.parse(str);
} catch (e) {
return e;
}
return obj;
}
function fromJSON(str) {
if (!str) {
return null;
}
var obj;
if (typeof str === 'string') {
obj = jsonParse(str);
if (obj instanceof Error) {
return null;
}
} else {
// assume it's an Object
obj = str;
}
var c = new Cookie();
for (var i=0; i<Cookie.serializableProperties.length; i++) {
var prop = Cookie.serializableProperties[i];
if (obj[prop] === undefined ||
obj[prop] === Cookie.prototype[prop])
{
continue; // leave as prototype default
}
if (prop === 'expires' ||
prop === 'creation' ||
prop === 'lastAccessed')
{
if (obj[prop] === null) {
c[prop] = null;
} else {
c[prop] = obj[prop] == "Infinity" ?
"Infinity" : new Date(obj[prop]);
}
} else {
c[prop] = obj[prop];
}
}
return c;
}
/* Section 5.4 part 2:
* "* Cookies with longer paths are listed before cookies with
* shorter paths.
*
* * Among cookies that have equal-length path fields, cookies with
* earlier creation-times are listed before cookies with later
* creation-times."
*/
function cookieCompare(a,b) {
var cmp = 0;
// descending for length: b CMP a
var aPathLen = a.path ? a.path.length : 0;
var bPathLen = b.path ? b.path.length : 0;
cmp = bPathLen - aPathLen;
if (cmp !== 0) {
return cmp;
}
// ascending for time: a CMP b
var aTime = a.creation ? a.creation.getTime() : MAX_TIME;
var bTime = b.creation ? b.creation.getTime() : MAX_TIME;
cmp = aTime - bTime;
if (cmp !== 0) {
return cmp;
}
// break ties for the same millisecond (precision of JavaScript's clock)
cmp = a.creationIndex - b.creationIndex;
return cmp;
}
// Gives the permutation of all possible pathMatch()es of a given path. The
// array is in longest-to-shortest order. Handy for indexing.
function permutePath(path) {
if (path === '/') {
return ['/'];
}
if (path.lastIndexOf('/') === path.length-1) {
path = path.substr(0,path.length-1);
}
var permutations = [path];
while (path.length > 1) {
var lindex = path.lastIndexOf('/');
if (lindex === 0) {
break;
}
path = path.substr(0,lindex);
permutations.push(path);
}
permutations.push('/');
return permutations;
}
function getCookieContext(url) {
if (url instanceof Object) {
return url;
}
// NOTE: decodeURI will throw on malformed URIs (see GH-32).
// Therefore, we will just skip decoding for such URIs.
try {
url = decodeURI(url);
}
catch(err) {
// Silently swallow error
}
return urlParse(url);
}
function Cookie(options) {
options = options || {};
Object.keys(options).forEach(function(prop) {
if (Cookie.prototype.hasOwnProperty(prop) &&
Cookie.prototype[prop] !== options[prop] &&
prop.substr(0,1) !== '_')
{
this[prop] = options[prop];
}
}, this);
this.creation = this.creation || new Date();
// used to break creation ties in cookieCompare():
Object.defineProperty(this, 'creationIndex', {
configurable: false,
enumerable: false, // important for assert.deepEqual checks
writable: true,
value: ++Cookie.cookiesCreated
});
}
Cookie.cookiesCreated = 0; // incremented each time a cookie is created
Cookie.parse = parse;
Cookie.fromJSON = fromJSON;
Cookie.prototype.key = "";
Cookie.prototype.value = "";
// the order in which the RFC has them:
Cookie.prototype.expires = "Infinity"; // coerces to literal Infinity
Cookie.prototype.maxAge = null; // takes precedence over expires for TTL
Cookie.prototype.domain = null;
Cookie.prototype.path = null;
Cookie.prototype.secure = false;
Cookie.prototype.httpOnly = false;
Cookie.prototype.extensions = null;
// set by the CookieJar:
Cookie.prototype.hostOnly = null; // boolean when set
Cookie.prototype.pathIsDefault = null; // boolean when set
Cookie.prototype.creation = null; // Date when set; defaulted by Cookie.parse
Cookie.prototype.lastAccessed = null; // Date when set
Object.defineProperty(Cookie.prototype, 'creationIndex', {
configurable: true,
enumerable: false,
writable: true,
value: 0
});
Cookie.serializableProperties = Object.keys(Cookie.prototype)
.filter(function(prop) {
return !(
Cookie.prototype[prop] instanceof Function ||
prop === 'creationIndex' ||
prop.substr(0,1) === '_'
);
});
Cookie.prototype.inspect = function inspect() {
var now = Date.now();
return 'Cookie="'+this.toString() +
'; hostOnly='+(this.hostOnly != null ? this.hostOnly : '?') +
'; aAge='+(this.lastAccessed ? (now-this.lastAccessed.getTime())+'ms' : '?') +
'; cAge='+(this.creation ? (now-this.creation.getTime())+'ms' : '?') +
'"';
};
Cookie.prototype.toJSON = function() {
var obj = {};
var props = Cookie.serializableProperties;
for (var i=0; i<props.length; i++) {
var prop = props[i];
if (this[prop] === Cookie.prototype[prop]) {
continue; // leave as prototype default
}
if (prop === 'expires' ||
prop === 'creation' ||
prop === 'lastAccessed')
{
if (this[prop] === null) {
obj[prop] = null;
} else {
obj[prop] = this[prop] == "Infinity" ? // intentionally not ===
"Infinity" : this[prop].toISOString();
}
} else if (prop === 'maxAge') {
if (this[prop] !== null) {
// again, intentionally not ===
obj[prop] = (this[prop] == Infinity || this[prop] == -Infinity) ?
this[prop].toString() : this[prop];
}
} else {
if (this[prop] !== Cookie.prototype[prop]) {
obj[prop] = this[prop];
}
}
}
return obj;
};
Cookie.prototype.clone = function() {
return fromJSON(this.toJSON());
};
Cookie.prototype.validate = function validate() {
if (!COOKIE_OCTETS.test(this.value)) {
return false;
}
if (this.expires != Infinity && !(this.expires instanceof Date) && !parseDate(this.expires)) {
return false;
}
if (this.maxAge != null && this.maxAge <= 0) {
return false; // "Max-Age=" non-zero-digit *DIGIT
}
if (this.path != null && !PATH_VALUE.test(this.path)) {
return false;
}
var cdomain = this.cdomain();
if (cdomain) {
if (cdomain.match(/\.$/)) {
return false; // S4.1.2.3 suggests that this is bad. domainMatch() tests confirm this
}
var suffix = pubsuffix.getPublicSuffix(cdomain);
if (suffix == null) { // it's a public suffix
return false;
}
}
return true;
};
Cookie.prototype.setExpires = function setExpires(exp) {
if (exp instanceof Date) {
this.expires = exp;
} else {
this.expires = parseDate(exp) || "Infinity";
}
};
Cookie.prototype.setMaxAge = function setMaxAge(age) {
if (age === Infinity || age === -Infinity) {
this.maxAge = age.toString(); // so JSON.stringify() works
} else {
this.maxAge = age;
}
};
// gives Cookie header format
Cookie.prototype.cookieString = function cookieString() {
var val = this.value;
if (val == null) {
val = '';
}
if (this.key === '') {
return val;
}
return this.key+'='+val;
};
// gives Set-Cookie header format
Cookie.prototype.toString = function toString() {
var str = this.cookieString();
if (this.expires != Infinity) {
if (this.expires instanceof Date) {
str += '; Expires='+formatDate(this.expires);
} else {
str += '; Expires='+this.expires;
}
}
if (this.maxAge != null && this.maxAge != Infinity) {
str += '; Max-Age='+this.maxAge;
}
if (this.domain && !this.hostOnly) {
str += '; Domain='+this.domain;
}
if (this.path) {
str += '; Path='+this.path;
}
if (this.secure) {
str += '; Secure';
}
if (this.httpOnly) {
str += '; HttpOnly';
}
if (this.extensions) {
this.extensions.forEach(function(ext) {
str += '; '+ext;
});
}
return str;
};
// TTL() partially replaces the "expiry-time" parts of S5.3 step 3 (setCookie()
// elsewhere)
// S5.3 says to give the "latest representable date" for which we use Infinity
// For "expired" we use 0
Cookie.prototype.TTL = function TTL(now) {
/* RFC6265 S4.1.2.2 If a cookie has both the Max-Age and the Expires
* attribute, the Max-Age attribute has precedence and controls the
* expiration date of the cookie.
* (Concurs with S5.3 step 3)
*/
if (this.maxAge != null) {
return this.maxAge<=0 ? 0 : this.maxAge*1000;
}
var expires = this.expires;
if (expires != Infinity) {
if (!(expires instanceof Date)) {
expires = parseDate(expires) || Infinity;
}
if (expires == Infinity) {
return Infinity;
}
return expires.getTime() - (now || Date.now());
}
return Infinity;
};
// expiryTime() replaces the "expiry-time" parts of S5.3 step 3 (setCookie()
// elsewhere)
Cookie.prototype.expiryTime = function expiryTime(now) {
if (this.maxAge != null) {
var relativeTo = now || this.creation || new Date();
var age = (this.maxAge <= 0) ? -Infinity : this.maxAge*1000;
return relativeTo.getTime() + age;
}
if (this.expires == Infinity) {
return Infinity;
}
return this.expires.getTime();
};
// expiryDate() replaces the "expiry-time" parts of S5.3 step 3 (setCookie()
// elsewhere), except it returns a Date
Cookie.prototype.expiryDate = function expiryDate(now) {
var millisec = this.expiryTime(now);
if (millisec == Infinity) {
return new Date(MAX_TIME);
} else if (millisec == -Infinity) {
return new Date(MIN_TIME);
} else {
return new Date(millisec);
}
};
// This replaces the "persistent-flag" parts of S5.3 step 3
Cookie.prototype.isPersistent = function isPersistent() {
return (this.maxAge != null || this.expires != Infinity);
};
// Mostly S5.1.2 and S5.2.3:
Cookie.prototype.cdomain =
Cookie.prototype.canonicalizedDomain = function canonicalizedDomain() {
if (this.domain == null) {
return null;
}
return canonicalDomain(this.domain);
};
function CookieJar(store, options) {
if (typeof options === "boolean") {
options = {rejectPublicSuffixes: options};
} else if (options == null) {
options = {};
}
if (options.rejectPublicSuffixes != null) {
this.rejectPublicSuffixes = options.rejectPublicSuffixes;
}
if (options.looseMode != null) {
this.enableLooseMode = options.looseMode;
}
if (!store) {
store = new MemoryCookieStore();
}
this.store = store;
}
CookieJar.prototype.store = null;
CookieJar.prototype.rejectPublicSuffixes = true;
CookieJar.prototype.enableLooseMode = false;
var CAN_BE_SYNC = [];
CAN_BE_SYNC.push('setCookie');
CookieJar.prototype.setCookie = function(cookie, url, options, cb) {
var err;
var context = getCookieContext(url);
if (options instanceof Function) {
cb = options;
options = {};
}
var host = canonicalDomain(context.hostname);
var loose = this.enableLooseMode;
if (options.loose != null) {
loose = options.loose;
}
// S5.3 step 1
if (!(cookie instanceof Cookie)) {
cookie = Cookie.parse(cookie, { loose: loose });
}
if (!cookie) {
err = new Error("Cookie failed to parse");
return cb(options.ignoreError ? null : err);
}
// S5.3 step 2
var now = options.now || new Date(); // will assign later to save effort in the face of errors
// S5.3 step 3: NOOP; persistent-flag and expiry-time is handled by getCookie()
// S5.3 step 4: NOOP; domain is null by default
// S5.3 step 5: public suffixes
if (this.rejectPublicSuffixes && cookie.domain) {
var suffix = pubsuffix.getPublicSuffix(cookie.cdomain());
if (suffix == null) { // e.g. "com"
err = new Error("Cookie has domain set to a public suffix");
return cb(options.ignoreError ? null : err);
}
}
// S5.3 step 6:
if (cookie.domain) {
if (!domainMatch(host, cookie.cdomain(), false)) {
err = new Error("Cookie not in this host's domain. Cookie:"+cookie.cdomain()+" Request:"+host);
return cb(options.ignoreError ? null : err);
}
if (cookie.hostOnly == null) { // don't reset if already set
cookie.hostOnly = false;
}
} else {
cookie.hostOnly = true;
cookie.domain = host;
}
//S5.2.4 If the attribute-value is empty or if the first character of the
//attribute-value is not %x2F ("/"):
//Let cookie-path be the default-path.
if (!cookie.path || cookie.path[0] !== '/') {
cookie.path = defaultPath(context.pathname);
cookie.pathIsDefault = true;
}
// S5.3 step 8: NOOP; secure attribute
// S5.3 step 9: NOOP; httpOnly attribute
// S5.3 step 10
if (options.http === false && cookie.httpOnly) {
err = new Error("Cookie is HttpOnly and this isn't an HTTP API");
return cb(options.ignoreError ? null : err);
}
var store = this.store;
if (!store.updateCookie) {
store.updateCookie = function(oldCookie, newCookie, cb) {
this.putCookie(newCookie, cb);
};
}
function withCookie(err, oldCookie) {
if (err) {
return cb(err);
}
var next = function(err) {
if (err) {
return cb(err);
} else {
cb(null, cookie);
}
};
if (oldCookie) {
// S5.3 step 11 - "If the cookie store contains a cookie with the same name,
// domain, and path as the newly created cookie:"
if (options.http === false && oldCookie.httpOnly) { // step 11.2
err = new Error("old Cookie is HttpOnly and this isn't an HTTP API");
return cb(options.ignoreError ? null : err);
}
cookie.creation = oldCookie.creation; // step 11.3
cookie.creationIndex = oldCookie.creationIndex; // preserve tie-breaker
cookie.lastAccessed = now;
// Step 11.4 (delete cookie) is implied by just setting the new one:
store.updateCookie(oldCookie, cookie, next); // step 12
} else {
cookie.creation = cookie.lastAccessed = now;
store.putCookie(cookie, next); // step 12
}
}
store.findCookie(cookie.domain, cookie.path, cookie.key, withCookie);
};
// RFC6365 S5.4
CAN_BE_SYNC.push('getCookies');
CookieJar.prototype.getCookies = function(url, options, cb) {
var context = getCookieContext(url);
if (options instanceof Function) {
cb = options;
options = {};
}
var host = canonicalDomain(context.hostname);
var path = context.pathname || '/';
var secure = options.secure;
if (secure == null && context.protocol &&
(context.protocol == 'https:' || context.protocol == 'wss:'))
{
secure = true;
}
var http = options.http;
if (http == null) {
http = true;
}
var now = options.now || Date.now();
var expireCheck = options.expire !== false;
var allPaths = !!options.allPaths;
var store = this.store;
function matchingCookie(c) {
// "Either:
// The cookie's host-only-flag is true and the canonicalized
// request-host is identical to the cookie's domain.
// Or:
// The cookie's host-only-flag is false and the canonicalized
// request-host domain-matches the cookie's domain."
if (c.hostOnly) {
if (c.domain != host) {
return false;
}
} else {
if (!domainMatch(host, c.domain, false)) {
return false;
}
}
// "The request-uri's path path-matches the cookie's path."
if (!allPaths && !pathMatch(path, c.path)) {
return false;
}
// "If the cookie's secure-only-flag is true, then the request-uri's
// scheme must denote a "secure" protocol"
if (c.secure && !secure) {
return false;
}
// "If the cookie's http-only-flag is true, then exclude the cookie if the
// cookie-string is being generated for a "non-HTTP" API"
if (c.httpOnly && !http) {
return false;
}
// deferred from S5.3
// non-RFC: allow retention of expired cookies by choice
if (expireCheck && c.expiryTime() <= now) {
store.removeCookie(c.domain, c.path, c.key, function(){}); // result ignored
return false;
}
return true;
}
store.findCookies(host, allPaths ? null : path, function(err,cookies) {
if (err) {
return cb(err);
}
cookies = cookies.filter(matchingCookie);
// sorting of S5.4 part 2
if (options.sort !== false) {
cookies = cookies.sort(cookieCompare);
}
// S5.4 part 3
var now = new Date();
cookies.forEach(function(c) {
c.lastAccessed = now;
});
// TODO persist lastAccessed
cb(null,cookies);
});
};
CAN_BE_SYNC.push('getCookieString');
CookieJar.prototype.getCookieString = function(/*..., cb*/) {
var args = Array.prototype.slice.call(arguments,0);
var cb = args.pop();
var next = function(err,cookies) {
if (err) {
cb(err);
} else {
cb(null, cookies
.sort(cookieCompare)
.map(function(c){
return c.cookieString();
})
.join('; '));
}
};
args.push(next);
this.getCookies.apply(this,args);
};
CAN_BE_SYNC.push('getSetCookieStrings');
CookieJar.prototype.getSetCookieStrings = function(/*..., cb*/) {
var args = Array.prototype.slice.call(arguments,0);
var cb = args.pop();
var next = function(err,cookies) {
if (err) {
cb(err);
} else {
cb(null, cookies.map(function(c){
return c.toString();
}));
}
};
args.push(next);
this.getCookies.apply(this,args);
};
CAN_BE_SYNC.push('serialize');
CookieJar.prototype.serialize = function(cb) {
var type = this.store.constructor.name;
if (type === 'Object') {
type = null;
}
// update README.md "Serialization Format" if you change this, please!
var serialized = {
// The version of tough-cookie that serialized this jar. Generally a good
// practice since future versions can make data import decisions based on
// known past behavior. When/if this matters, use `semver`.
version: 'tough-cookie@'+VERSION,
// add the store type, to make humans happy:
storeType: type,
// CookieJar configuration:
rejectPublicSuffixes: !!this.rejectPublicSuffixes,
// this gets filled from getAllCookies:
cookies: []
};
if (!(this.store.getAllCookies &&
typeof this.store.getAllCookies === 'function'))
{
return cb(new Error('store does not support getAllCookies and cannot be serialized'));
}
this.store.getAllCookies(function(err,cookies) {
if (err) {
return cb(err);
}
serialized.cookies = cookies.map(function(cookie) {
// convert to serialized 'raw' cookies
cookie = (cookie instanceof Cookie) ? cookie.toJSON() : cookie;
// Remove the index so new ones get assigned during deserialization
delete cookie.creationIndex;
return cookie;
});
return cb(null, serialized);
});
};
// well-known name that JSON.stringify calls
CookieJar.prototype.toJSON = function() {
return this.serializeSync();
};
// use the class method CookieJar.deserialize instead of calling this directly
CAN_BE_SYNC.push('_importCookies');
CookieJar.prototype._importCookies = function(serialized, cb) {
var jar = this;
var cookies = serialized.cookies;
if (!cookies || !Array.isArray(cookies)) {
return cb(new Error('serialized jar has no cookies array'));
}
cookies = cookies.slice(); // do not modify the original
function putNext(err) {
if (err) {
return cb(err);
}
if (!cookies.length) {
return cb(err, jar);
}
var cookie;
try {
cookie = fromJSON(cookies.shift());
} catch (e) {
return cb(e);
}
if (cookie === null) {
return putNext(null); // skip this cookie
}
jar.store.putCookie(cookie, putNext);
}
putNext();
};
CookieJar.deserialize = function(strOrObj, store, cb) {
if (arguments.length !== 3) {
// store is optional
cb = store;
store = null;
}
var serialized;
if (typeof strOrObj === 'string') {
serialized = jsonParse(strOrObj);
if (serialized instanceof Error) {
return cb(serialized);
}
} else {
serialized = strOrObj;
}
var jar = new CookieJar(store, serialized.rejectPublicSuffixes);
jar._importCookies(serialized, function(err) {
if (err) {
return cb(err);
}
cb(null, jar);
});
};
CookieJar.deserializeSync = function(strOrObj, store) {
var serialized = typeof strOrObj === 'string' ?
JSON.parse(strOrObj) : strOrObj;
var jar = new CookieJar(store, serialized.rejectPublicSuffixes);
// catch this mistake early:
if (!jar.store.synchronous) {
throw new Error('CookieJar store is not synchronous; use async API instead.');
}
jar._importCookiesSync(serialized);
return jar;
};
CookieJar.fromJSON = CookieJar.deserializeSync;
CAN_BE_SYNC.push('clone');
CookieJar.prototype.clone = function(newStore, cb) {
if (arguments.length === 1) {
cb = newStore;
newStore = null;
}
this.serialize(function(err,serialized) {
if (err) {
return cb(err);
}
CookieJar.deserialize(newStore, serialized, cb);
});
};
// Use a closure to provide a true imperative API for synchronous stores.
function syncWrap(method) {
return function() {
if (!this.store.synchronous) {
throw new Error('CookieJar store is not synchronous; use async API instead.');
}
var args = Array.prototype.slice.call(arguments);
var syncErr, syncResult;
args.push(function syncCb(err, result) {
syncErr = err;
syncResult = result;
});
this[method].apply(this, args);
if (syncErr) {
throw syncErr;
}
return syncResult;
};
}
// wrap all declared CAN_BE_SYNC methods in the sync wrapper
CAN_BE_SYNC.forEach(function(method) {
CookieJar.prototype[method+'Sync'] = syncWrap(method);
});
module.exports = {
CookieJar: CookieJar,
Cookie: Cookie,
Store: Store,
MemoryCookieStore: MemoryCookieStore,
parseDate: parseDate,
formatDate: formatDate,
parse: parse,
fromJSON: fromJSON,
domainMatch: domainMatch,
defaultPath: defaultPath,
pathMatch: pathMatch,
getPublicSuffix: pubsuffix.getPublicSuffix,
cookieCompare: cookieCompare,
permuteDomain: require('./permuteDomain').permuteDomain,
permutePath: permutePath,
canonicalDomain: canonicalDomain
};