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Koper
2023-11-20 21:39:33 +07:00
parent 82f50817f8
commit ba40d28152
3609 changed files with 2311843 additions and 7 deletions

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/**
* Convert array of 16 byte values to UUID string format of the form:
* XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX
*/
var byteToHex = [];
for (var i = 0; i < 256; ++i) {
byteToHex[i] = (i + 0x100).toString(16).substr(1);
}
function bytesToUuid(buf, offset) {
var i = offset || 0;
var bth = byteToHex; // join used to fix memory issue caused by concatenation: https://bugs.chromium.org/p/v8/issues/detail?id=3175#c4
return [bth[buf[i++]], bth[buf[i++]], bth[buf[i++]], bth[buf[i++]], '-', bth[buf[i++]], bth[buf[i++]], '-', bth[buf[i++]], bth[buf[i++]], '-', bth[buf[i++]], bth[buf[i++]], '-', bth[buf[i++]], bth[buf[i++]], bth[buf[i++]], bth[buf[i++]], bth[buf[i++]], bth[buf[i++]]].join('');
}
export default bytesToUuid;

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export { default as v1 } from './v1.js';
export { default as v3 } from './v3.js';
export { default as v4 } from './v4.js';
export { default as v5 } from './v5.js';

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import crypto from 'crypto';
function md5(bytes) {
if (Array.isArray(bytes)) {
bytes = Buffer.from(bytes);
} else if (typeof bytes === 'string') {
bytes = Buffer.from(bytes, 'utf8');
}
return crypto.createHash('md5').update(bytes).digest();
}
export default md5;

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import crypto from 'crypto';
export default function rng() {
return crypto.randomBytes(16);
}

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import crypto from 'crypto';
function sha1(bytes) {
if (Array.isArray(bytes)) {
bytes = Buffer.from(bytes);
} else if (typeof bytes === 'string') {
bytes = Buffer.from(bytes, 'utf8');
}
return crypto.createHash('sha1').update(bytes).digest();
}
export default sha1;

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import rng from './rng.js';
import bytesToUuid from './bytesToUuid.js'; // **`v1()` - Generate time-based UUID**
//
// Inspired by https://github.com/LiosK/UUID.js
// and http://docs.python.org/library/uuid.html
var _nodeId;
var _clockseq; // Previous uuid creation time
var _lastMSecs = 0;
var _lastNSecs = 0; // See https://github.com/uuidjs/uuid for API details
function v1(options, buf, offset) {
var i = buf && offset || 0;
var b = buf || [];
options = options || {};
var node = options.node || _nodeId;
var clockseq = options.clockseq !== undefined ? options.clockseq : _clockseq; // node and clockseq need to be initialized to random values if they're not
// specified. We do this lazily to minimize issues related to insufficient
// system entropy. See #189
if (node == null || clockseq == null) {
var seedBytes = options.random || (options.rng || rng)();
if (node == null) {
// Per 4.5, create and 48-bit node id, (47 random bits + multicast bit = 1)
node = _nodeId = [seedBytes[0] | 0x01, seedBytes[1], seedBytes[2], seedBytes[3], seedBytes[4], seedBytes[5]];
}
if (clockseq == null) {
// Per 4.2.2, randomize (14 bit) clockseq
clockseq = _clockseq = (seedBytes[6] << 8 | seedBytes[7]) & 0x3fff;
}
} // UUID timestamps are 100 nano-second units since the Gregorian epoch,
// (1582-10-15 00:00). JSNumbers aren't precise enough for this, so
// time is handled internally as 'msecs' (integer milliseconds) and 'nsecs'
// (100-nanoseconds offset from msecs) since unix epoch, 1970-01-01 00:00.
var msecs = options.msecs !== undefined ? options.msecs : new Date().getTime(); // Per 4.2.1.2, use count of uuid's generated during the current clock
// cycle to simulate higher resolution clock
var nsecs = options.nsecs !== undefined ? options.nsecs : _lastNSecs + 1; // Time since last uuid creation (in msecs)
var dt = msecs - _lastMSecs + (nsecs - _lastNSecs) / 10000; // Per 4.2.1.2, Bump clockseq on clock regression
if (dt < 0 && options.clockseq === undefined) {
clockseq = clockseq + 1 & 0x3fff;
} // Reset nsecs if clock regresses (new clockseq) or we've moved onto a new
// time interval
if ((dt < 0 || msecs > _lastMSecs) && options.nsecs === undefined) {
nsecs = 0;
} // Per 4.2.1.2 Throw error if too many uuids are requested
if (nsecs >= 10000) {
throw new Error("uuid.v1(): Can't create more than 10M uuids/sec");
}
_lastMSecs = msecs;
_lastNSecs = nsecs;
_clockseq = clockseq; // Per 4.1.4 - Convert from unix epoch to Gregorian epoch
msecs += 12219292800000; // `time_low`
var tl = ((msecs & 0xfffffff) * 10000 + nsecs) % 0x100000000;
b[i++] = tl >>> 24 & 0xff;
b[i++] = tl >>> 16 & 0xff;
b[i++] = tl >>> 8 & 0xff;
b[i++] = tl & 0xff; // `time_mid`
var tmh = msecs / 0x100000000 * 10000 & 0xfffffff;
b[i++] = tmh >>> 8 & 0xff;
b[i++] = tmh & 0xff; // `time_high_and_version`
b[i++] = tmh >>> 24 & 0xf | 0x10; // include version
b[i++] = tmh >>> 16 & 0xff; // `clock_seq_hi_and_reserved` (Per 4.2.2 - include variant)
b[i++] = clockseq >>> 8 | 0x80; // `clock_seq_low`
b[i++] = clockseq & 0xff; // `node`
for (var n = 0; n < 6; ++n) {
b[i + n] = node[n];
}
return buf ? buf : bytesToUuid(b);
}
export default v1;

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import v35 from './v35.js';
import md5 from './md5.js';
const v3 = v35('v3', 0x30, md5);
export default v3;

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import bytesToUuid from './bytesToUuid.js';
function uuidToBytes(uuid) {
// Note: We assume we're being passed a valid uuid string
var bytes = [];
uuid.replace(/[a-fA-F0-9]{2}/g, function (hex) {
bytes.push(parseInt(hex, 16));
});
return bytes;
}
function stringToBytes(str) {
str = unescape(encodeURIComponent(str)); // UTF8 escape
var bytes = new Array(str.length);
for (var i = 0; i < str.length; i++) {
bytes[i] = str.charCodeAt(i);
}
return bytes;
}
export const DNS = '6ba7b810-9dad-11d1-80b4-00c04fd430c8';
export const URL = '6ba7b811-9dad-11d1-80b4-00c04fd430c8';
export default function (name, version, hashfunc) {
var generateUUID = function (value, namespace, buf, offset) {
var off = buf && offset || 0;
if (typeof value == 'string') value = stringToBytes(value);
if (typeof namespace == 'string') namespace = uuidToBytes(namespace);
if (!Array.isArray(value)) throw TypeError('value must be an array of bytes');
if (!Array.isArray(namespace) || namespace.length !== 16) throw TypeError('namespace must be uuid string or an Array of 16 byte values'); // Per 4.3
var bytes = hashfunc(namespace.concat(value));
bytes[6] = bytes[6] & 0x0f | version;
bytes[8] = bytes[8] & 0x3f | 0x80;
if (buf) {
for (var idx = 0; idx < 16; ++idx) {
buf[off + idx] = bytes[idx];
}
}
return buf || bytesToUuid(bytes);
}; // Function#name is not settable on some platforms (#270)
try {
generateUUID.name = name;
} catch (err) {} // For CommonJS default export support
generateUUID.DNS = DNS;
generateUUID.URL = URL;
return generateUUID;
}

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import rng from './rng.js';
import bytesToUuid from './bytesToUuid.js';
function v4(options, buf, offset) {
var i = buf && offset || 0;
if (typeof options == 'string') {
buf = options === 'binary' ? new Array(16) : null;
options = null;
}
options = options || {};
var rnds = options.random || (options.rng || rng)(); // Per 4.4, set bits for version and `clock_seq_hi_and_reserved`
rnds[6] = rnds[6] & 0x0f | 0x40;
rnds[8] = rnds[8] & 0x3f | 0x80; // Copy bytes to buffer, if provided
if (buf) {
for (var ii = 0; ii < 16; ++ii) {
buf[i + ii] = rnds[ii];
}
}
return buf || bytesToUuid(rnds);
}
export default v4;

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import v35 from './v35.js';
import sha1 from './sha1.js';
const v5 = v35('v5', 0x50, sha1);
export default v5;