166 lines
No EOL
3.5 KiB
JavaScript
Executable file
166 lines
No EOL
3.5 KiB
JavaScript
Executable file
/*!
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* cookie
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* Copyright(c) 2012-2014 Roman Shtylman
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* Copyright(c) 2015 Douglas Christopher Wilson
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* MIT Licensed
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*/
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/**
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* Module exports.
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* @public
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*/
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exports.parse = parse;
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exports.serialize = serialize;
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/**
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* Module variables.
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* @private
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*/
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var decode = decodeURIComponent;
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var encode = encodeURIComponent;
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var pairSplitRegExp = /; */;
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/**
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* RegExp to match field-content in RFC 7230 sec 3.2
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*
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* field-content = field-vchar [ 1*( SP / HTAB ) field-vchar ]
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* field-vchar = VCHAR / obs-text
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* obs-text = %x80-FF
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*/
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var fieldContentRegExp = /^[\u0009\u0020-\u007e\u0080-\u00ff]+$/;
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/**
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* Parse a cookie header.
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*
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* Parse the given cookie header string into an object
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* The object has the various cookies as keys(names) => values
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*
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* @param {string} str
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* @param {object} [options]
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* @return {object}
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* @public
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*/
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function parse(str, options) {
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if (typeof str !== 'string') {
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throw new TypeError('argument str must be a string');
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}
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var obj = {}
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var opt = options || {};
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var pairs = str.split(pairSplitRegExp);
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var dec = opt.decode || decode;
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pairs.forEach(function(pair) {
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var eq_idx = pair.indexOf('=')
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// skip things that don't look like key=value
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if (eq_idx < 0) {
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return;
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}
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var key = pair.substr(0, eq_idx).trim()
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var val = pair.substr(++eq_idx, pair.length).trim();
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// quoted values
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if ('"' == val[0]) {
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val = val.slice(1, -1);
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}
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// only assign once
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if (undefined == obj[key]) {
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obj[key] = tryDecode(val, dec);
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}
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});
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return obj;
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}
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/**
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* Serialize data into a cookie header.
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*
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* Serialize the a name value pair into a cookie string suitable for
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* http headers. An optional options object specified cookie parameters.
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*
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* serialize('foo', 'bar', { httpOnly: true })
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* => "foo=bar; httpOnly"
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*
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* @param {string} name
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* @param {string} val
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* @param {object} [options]
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* @return {string}
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* @public
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*/
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function serialize(name, val, options) {
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var opt = options || {};
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var enc = opt.encode || encode;
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if (!fieldContentRegExp.test(name)) {
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throw new TypeError('argument name is invalid');
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}
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var value = enc(val);
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if (value && !fieldContentRegExp.test(value)) {
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throw new TypeError('argument val is invalid');
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}
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var pairs = [name + '=' + value];
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if (null != opt.maxAge) {
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var maxAge = opt.maxAge - 0;
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if (isNaN(maxAge)) throw new Error('maxAge should be a Number');
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pairs.push('Max-Age=' + Math.floor(maxAge));
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}
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if (opt.domain) {
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if (!fieldContentRegExp.test(opt.domain)) {
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throw new TypeError('option domain is invalid');
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}
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pairs.push('Domain=' + opt.domain);
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}
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if (opt.path) {
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if (!fieldContentRegExp.test(opt.path)) {
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throw new TypeError('option path is invalid');
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}
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pairs.push('Path=' + opt.path);
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}
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if (opt.expires) pairs.push('Expires=' + opt.expires.toUTCString());
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if (opt.httpOnly) pairs.push('HttpOnly');
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if (opt.secure) pairs.push('Secure');
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if (opt.firstPartyOnly) pairs.push('First-Party-Only');
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return pairs.join('; ');
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}
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/**
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* Try decoding a string using a decoding function.
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*
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* @param {string} str
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* @param {function} decode
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* @private
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*/
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function tryDecode(str, decode) {
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try {
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return decode(str);
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} catch (e) {
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return str;
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}
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}
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//////////////////
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// WEBPACK FOOTER
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// ./~/cookie/index.js
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// module id = 1198
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// module chunks = 4
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