diff options
Diffstat (limited to 'deps/npm/node_modules/uuid/v5.js')
-rw-r--r-- | deps/npm/node_modules/uuid/v5.js | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/deps/npm/node_modules/uuid/v5.js b/deps/npm/node_modules/uuid/v5.js new file mode 100644 index 0000000000..39cc35e7c8 --- /dev/null +++ b/deps/npm/node_modules/uuid/v5.js @@ -0,0 +1,42 @@ +var sha1 = require('./lib/sha1-browser'); +var bytesToUuid = require('./lib/bytesToUuid'); + +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; +} + +function v5(name, namespace, buf, offset) { + if (typeof(name) == 'string') name = stringToBytes(name); + if (typeof(namespace) == 'string') namespace = uuidToBytes(namespace); + + if (!Array.isArray(name)) throw TypeError('name 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 = sha1(namespace.concat(name)); + bytes[6] = (bytes[6] & 0x0f) | 0x50; + bytes[8] = (bytes[8] & 0x3f) | 0x80; + + return buf || bytesToUuid(bytes); +} + +// Pre-defined namespaces, per Appendix C +v5.DNS = '6ba7b810-9dad-11d1-80b4-00c04fd430c8'; +v5.URL = '6ba7b811-9dad-11d1-80b4-00c04fd430c8'; + +module.exports = v5; |