76 lines
2.0 KiB
JavaScript
76 lines
2.0 KiB
JavaScript
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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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var serialize = function(name, val, opt){
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opt = opt || {};
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var enc = opt.encode || encode;
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var pairs = [name + '=' + enc(val)];
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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=' + maxAge);
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}
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if (opt.domain) pairs.push('Domain=' + opt.domain);
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if (opt.path) pairs.push('Path=' + opt.path);
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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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return pairs.join('; ');
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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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/// @param {String} str
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/// @return {Object}
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var parse = function(str, opt) {
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opt = opt || {};
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var obj = {}
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var pairs = str.split(/; */);
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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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try {
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obj[key] = dec(val);
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} catch (e) {
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obj[key] = val;
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}
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}
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});
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return obj;
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};
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var encode = encodeURIComponent;
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var decode = decodeURIComponent;
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module.exports.serialize = serialize;
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module.exports.parse = parse;
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