typeorm
Version:
Data-Mapper ORM for TypeScript, ES7, ES6, ES5. Supports MySQL, PostgreSQL, MariaDB, SQLite, MS SQL Server, Oracle, MongoDB databases.
145 lines (143 loc) • 5.16 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.RandomGenerator = void 0;
var RandomGenerator = /** @class */ (function () {
function RandomGenerator() {
}
/**
* discuss at: http://locutus.io/php/sha1/
* original by: Webtoolkit.info (http://www.webtoolkit.info/)
* improved by: Michael White (http://getsprink.com)
* improved by: Kevin van Zonneveld (http://kvz.io)
* input by: Brett Zamir (http://brett-zamir.me)
* note 1: Keep in mind that in accordance with PHP, the whole string is buffered and then
* note 1: hashed. If available, we'd recommend using Node's native crypto modules directly
* note 1: in a steaming fashion for faster and more efficient hashing
* example 1: sha1('Kevin van Zonneveld')
* returns 1: '54916d2e62f65b3afa6e192e6a601cdbe5cb5897'
*/
RandomGenerator.sha1 = function (str) {
var _rotLeft = function (n, s) {
var t4 = (n << s) | (n >>> (32 - s));
return t4;
};
var _cvtHex = function (val) {
var str = "";
var i;
var v;
for (i = 7; i >= 0; i--) {
v = (val >>> (i * 4)) & 0x0f;
str += v.toString(16);
}
return str;
};
var blockstart;
var i, j;
var W = new Array(80);
var H0 = 0x67452301;
var H1 = 0xEFCDAB89;
var H2 = 0x98BADCFE;
var H3 = 0x10325476;
var H4 = 0xC3D2E1F0;
var A, B, C, D, E;
var temp;
// utf8_encode
str = /*unescape*/ (encodeURIComponent(str));
var strLen = str.length;
var wordArray = [];
for (i = 0; i < strLen - 3; i += 4) {
j = str.charCodeAt(i) << 24 |
str.charCodeAt(i + 1) << 16 |
str.charCodeAt(i + 2) << 8 |
str.charCodeAt(i + 3);
wordArray.push(j);
}
switch (strLen % 4) {
case 0:
i = 0x080000000;
break;
case 1:
i = str.charCodeAt(strLen - 1) << 24 | 0x0800000;
break;
case 2:
i = str.charCodeAt(strLen - 2) << 24 | str.charCodeAt(strLen - 1) << 16 | 0x08000;
break;
case 3:
i = str.charCodeAt(strLen - 3) << 24 |
str.charCodeAt(strLen - 2) << 16 |
str.charCodeAt(strLen - 1) <<
8 | 0x80;
break;
}
wordArray.push(i);
while ((wordArray.length % 16) !== 14) {
wordArray.push(0);
}
wordArray.push(strLen >>> 29);
wordArray.push((strLen << 3) & 0x0ffffffff);
for (blockstart = 0; blockstart < wordArray.length; blockstart += 16) {
for (i = 0; i < 16; i++) {
W[i] = wordArray[blockstart + i];
}
for (i = 16; i <= 79; i++) {
W[i] = _rotLeft(W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16], 1);
}
A = H0;
B = H1;
C = H2;
D = H3;
E = H4;
for (i = 0; i <= 19; i++) {
temp = (_rotLeft(A, 5) + ((B & C) | (~B & D)) + E + W[i] + 0x5A827999) & 0x0ffffffff;
E = D;
D = C;
C = _rotLeft(B, 30);
B = A;
A = temp;
}
for (i = 20; i <= 39; i++) {
temp = (_rotLeft(A, 5) + (B ^ C ^ D) + E + W[i] + 0x6ED9EBA1) & 0x0ffffffff;
E = D;
D = C;
C = _rotLeft(B, 30);
B = A;
A = temp;
}
for (i = 40; i <= 59; i++) {
temp = (_rotLeft(A, 5) + ((B & C) | (B & D) | (C & D)) + E + W[i] + 0x8F1BBCDC) & 0x0ffffffff;
E = D;
D = C;
C = _rotLeft(B, 30);
B = A;
A = temp;
}
for (i = 60; i <= 79; i++) {
temp = (_rotLeft(A, 5) + (B ^ C ^ D) + E + W[i] + 0xCA62C1D6) & 0x0ffffffff;
E = D;
D = C;
C = _rotLeft(B, 30);
B = A;
A = temp;
}
H0 = (H0 + A) & 0x0ffffffff;
H1 = (H1 + B) & 0x0ffffffff;
H2 = (H2 + C) & 0x0ffffffff;
H3 = (H3 + D) & 0x0ffffffff;
H4 = (H4 + E) & 0x0ffffffff;
}
temp = _cvtHex(H0) + _cvtHex(H1) + _cvtHex(H2) + _cvtHex(H3) + _cvtHex(H4);
return temp.toLowerCase();
};
/**
* RFC4122 compliant UUID v4 generator.
*/
RandomGenerator.uuid4 = function () {
return "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g, function (c) {
var r = Math.random() * 16 | 0, v = c === "x" ? r : (r & 0x3 | 0x8);
return v.toString(16);
});
};
return RandomGenerator;
}());
exports.RandomGenerator = RandomGenerator;
//# sourceMappingURL=RandomGenerator.js.map