hexo/node_modules/hexo-translate-title/lib/sign.js

32 lines
1.4 KiB
JavaScript

function a(r, o) {
for (var t = 0; t < o.length - 2; t += 3) {
var a = o.charAt(t + 2);
a = a >= "a" ? a.charCodeAt(0) - 87 : Number(a),
a = "+" === o.charAt(t + 1) ? r >>> a: r << a,
r = "+" === o.charAt(t) ? r + a & 4294967295 : r ^ a
}
return r
}
var C = null;
var token = function(r, _gtk) {
var o = r.length;
o > 30 && (r = "" + r.substr(0, 10) + r.substr(Math.floor(o / 2) - 5, 10) + r.substring(r.length, r.length - 10));
var t = void 0,
t = null !== C ? C: (C = _gtk || "") || "";
for (var e = t.split("."), h = Number(e[0]) || 0, i = Number(e[1]) || 0, d = [], f = 0, g = 0; g < r.length; g++) {
var m = r.charCodeAt(g);
128 > m ? d[f++] = m: (2048 > m ? d[f++] = m >> 6 | 192 : (55296 === (64512 & m) && g + 1 < r.length && 56320 === (64512 & r.charCodeAt(g + 1)) ? (m = 65536 + ((1023 & m) << 10) + (1023 & r.charCodeAt(++g)), d[f++] = m >> 18 | 240, d[f++] = m >> 12 & 63 | 128) : d[f++] = m >> 12 | 224, d[f++] = m >> 6 & 63 | 128), d[f++] = 63 & m | 128)
}
for (var S = h,
u = "+-a^+6",
l = "+-3^+b+-f",
s = 0; s < d.length; s++) S += d[s],
S = a(S, u);
return S = a(S, l),
S ^= i,
0 > S && (S = (2147483647 & S) + 2147483648),
S %= 1e6,
S.toString() + "." + (S ^ h)
}
exports.get_baidu_hash = token;