82 lines
2.2 KiB
JavaScript
82 lines
2.2 KiB
JavaScript
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const pairSplitRegExp = /; */;
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const fieldContentRegExp = /^[\u0009\u0020-\u007e\u0080-\u00ff]+$/;
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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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function parse(str, options = {
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decode: decodeURIComponent
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}) {
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const obj = {};
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const pairs = str.split(pairSplitRegExp);
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for (const pair of pairs) {
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let eqIdx = pair.indexOf("=");
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if (eqIdx < 0)
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continue;
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const key = pair.substr(0, eqIdx).trim();
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let val = pair.substr(++eqIdx, pair.length).trim();
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if ('"' == val[0])
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val = val.slice(1, -1);
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if (obj[key] == null)
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obj[key] = tryDecode(val, options.decode);
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}
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return obj;
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}
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function serialize(name, val, opt = {}) {
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if (!opt.encode)
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opt.encode = encodeURIComponent;
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if (!fieldContentRegExp.test(name))
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throw new TypeError("argument name is invalid");
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const value = opt.encode(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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let str = name + "=" + value;
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if (null != opt.maxAge) {
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const maxAge = opt.maxAge - 0;
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if (isNaN(maxAge) || !isFinite(maxAge))
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throw new TypeError("option maxAge is invalid");
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str += "; 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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str += "; 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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str += "; Path=" + opt.path;
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}
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if (opt.expires)
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str += "; Expires=" + opt.expires.toUTCString();
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if (opt.httpOnly)
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str += "; HttpOnly";
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if (opt.secure)
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str += "; Secure";
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if (opt.sameSite) {
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const sameSite = typeof opt.sameSite === "string" ? opt.sameSite.toLowerCase() : opt.sameSite;
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switch (sameSite) {
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case true:
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case "strict":
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str += "; SameSite=Strict";
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break;
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case "lax":
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str += "; SameSite=Lax";
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break;
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case "none":
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str += "; SameSite=None";
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break;
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default:
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throw new TypeError("option sameSite is invalid");
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}
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}
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return str;
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}
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export {
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parse,
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serialize
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};
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