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Added uuidhelpers.js file with Javascript helper functions to work with the various encoding of UUIDs in the mongo shell. These will eventually be obsoleted when SERVER-3153 is implemented.
pull/70/merge
Added uuidhelpers.js file with Javascript helper functions to work with the various encoding of UUIDs in the mongo shell. These will eventually be obsoleted when SERVER-3153 is implemented.
pull/70/merge

2 changed files with 154 additions and 0 deletions
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// Javascript helper functions for parsing and displaying UUIDs in the MongoDB shell.
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// This is a temporary solution until SERVER-3153 is implemented.
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// To create BinData values corresponding to the various driver encodings use:
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// var s = "{00112233-4455-6677-8899-aabbccddeeff}";
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// var uuid = UUID(s); // new Standard encoding
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// var juuid = JUUID(s); // JavaLegacy encoding
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// var csuuid = CSUUID(s); // CSharpLegacy encoding
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// var pyuuid = PYUUID(s); // PythonLegacy encoding
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// To convert the various BinData values back to human readable UUIDs use:
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// uuid.toUUID() => 'UUID("00112233-4455-6677-8899-aabbccddeeff")'
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// juuid.ToJUUID() => 'JUUID("00112233-4455-6677-8899-aabbccddeeff")'
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// csuuid.ToCSUUID() => 'CSUUID("00112233-4455-6677-8899-aabbccddeeff")'
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// pyuuid.ToPYUUID() => 'PYUUID("00112233-4455-6677-8899-aabbccddeeff")'
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// With any of the UUID variants you can use toHexUUID to echo the raw BinData with subtype and hex string:
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// uuid.toHexUUID() => 'HexData(4, "00112233-4455-6677-8899-aabbccddeeff")'
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// juuid.toHexUUID() => 'HexData(3, "77665544-3322-1100-ffee-ddccbbaa9988")'
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// csuuid.toHexUUID() => 'HexData(3, "33221100-5544-7766-8899-aabbccddeeff")'
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// pyuuid.toHexUUID() => 'HexData(3, "00112233-4455-6677-8899-aabbccddeeff")'
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function HexToBase64(hex) { |
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var base64Digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; |
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var base64 = ""; |
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var group; |
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for (var i = 0; i < 30; i += 6) { |
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group = parseInt(hex.substr(i, 6), 16); |
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base64 += base64Digits[(group >> 18) & 0x3f]; |
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base64 += base64Digits[(group >> 12) & 0x3f]; |
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base64 += base64Digits[(group >> 6) & 0x3f]; |
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base64 += base64Digits[group & 0x3f]; |
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} |
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group = parseInt(hex.substr(30, 2), 16); |
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base64 += base64Digits[(group >> 2) & 0x3f]; |
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base64 += base64Digits[(group << 4) & 0x3f]; |
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base64 += "=="; |
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return base64; |
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} |
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function Base64ToHex(base64) { |
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var base64Digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="; |
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var hexDigits = "0123456789abcdef"; |
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var hex = ""; |
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for (var i = 0; i < 24; ) { |
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var e1 = base64Digits.indexOf(base64[i++]); |
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var e2 = base64Digits.indexOf(base64[i++]); |
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var e3 = base64Digits.indexOf(base64[i++]); |
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var e4 = base64Digits.indexOf(base64[i++]); |
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var c1 = (e1 << 2) | (e2 >> 4); |
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var c2 = ((e2 & 15) << 4) | (e3 >> 2); |
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var c3 = ((e3 & 3) << 6) | e4; |
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hex += hexDigits[c1 >> 4]; |
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hex += hexDigits[c1 & 15]; |
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if (e3 != 64) { |
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hex += hexDigits[c2 >> 4]; |
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hex += hexDigits[c2 & 15]; |
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} |
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if (e4 != 64) { |
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hex += hexDigits[c3 >> 4]; |
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hex += hexDigits[c3 & 15]; |
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} |
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} |
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return hex; |
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} |
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function UUID(uuid) { |
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var hex = uuid.replace(/[{}-]/g, ""); // remove extra characters
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var base64 = HexToBase64(hex); |
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return new BinData(4, base64); // new subtype 4
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} |
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function JUUID(uuid) { |
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var hex = uuid.replace(/[{}-]/g, ""); // remove extra characters
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var msb = hex.substr(0, 16); |
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var lsb = hex.substr(16, 16); |
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msb = msb.substr(14, 2) + msb.substr(12, 2) + msb.substr(10, 2) + msb.substr(8, 2) + msb.substr(6, 2) + msb.substr(4, 2) + msb.substr(2, 2) + msb.substr(0, 2); |
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lsb = lsb.substr(14, 2) + lsb.substr(12, 2) + lsb.substr(10, 2) + lsb.substr(8, 2) + lsb.substr(6, 2) + lsb.substr(4, 2) + lsb.substr(2, 2) + lsb.substr(0, 2); |
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hex = msb + lsb; |
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var base64 = HexToBase64(hex); |
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return new BinData(3, base64); |
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} |
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function CSUUID(uuid) { |
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var hex = uuid.replace(/[{}-]/g, ""); // remove extra characters
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var a = hex.substr(6, 2) + hex.substr(4, 2) + hex.substr(2, 2) + hex.substr(0, 2); |
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var b = hex.substr(10, 2) + hex.substr(8, 2); |
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var c = hex.substr(14, 2) + hex.substr(12, 2); |
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var d = hex.substr(16, 16); |
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hex = a + b + c + d; |
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var base64 = HexToBase64(hex); |
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return new BinData(3, base64); |
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} |
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function PYUUID(uuid) { |
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var hex = uuid.replace(/[{}-]/g, ""); // remove extra characters
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var base64 = HexToBase64(hex); |
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return new BinData(3, base64); |
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} |
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BinData.prototype.toUUID = function () { |
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var hex = Base64ToHex(this.base64()); // don't use BinData's hex function because it has bugs in older versions of the shell
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var uuid = hex.substr(0, 8) + '-' + hex.substr(8, 4) + '-' + hex.substr(12, 4) + '-' + hex.substr(16, 4) + '-' + hex.substr(20, 12); |
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return 'UUID("' + uuid + '")'; |
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} |
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BinData.prototype.toJUUID = function () { |
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var hex = Base64ToHex(this.base64()); // don't use BinData's hex function because it has bugs in older versions of the shell
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var msb = hex.substr(0, 16); |
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var lsb = hex.substr(16, 16); |
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msb = msb.substr(14, 2) + msb.substr(12, 2) + msb.substr(10, 2) + msb.substr(8, 2) + msb.substr(6, 2) + msb.substr(4, 2) + msb.substr(2, 2) + msb.substr(0, 2); |
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lsb = lsb.substr(14, 2) + lsb.substr(12, 2) + lsb.substr(10, 2) + lsb.substr(8, 2) + lsb.substr(6, 2) + lsb.substr(4, 2) + lsb.substr(2, 2) + lsb.substr(0, 2); |
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hex = msb + lsb; |
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var uuid = hex.substr(0, 8) + '-' + hex.substr(8, 4) + '-' + hex.substr(12, 4) + '-' + hex.substr(16, 4) + '-' + hex.substr(20, 12); |
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return 'JUUID("' + uuid + '")'; |
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} |
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BinData.prototype.toCSUUID = function () { |
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var hex = Base64ToHex(this.base64()); // don't use BinData's hex function because it has bugs in older versions of the shell
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var a = hex.substr(6, 2) + hex.substr(4, 2) + hex.substr(2, 2) + hex.substr(0, 2); |
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var b = hex.substr(10, 2) + hex.substr(8, 2); |
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var c = hex.substr(14, 2) + hex.substr(12, 2); |
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var d = hex.substr(16, 16); |
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hex = a + b + c + d; |
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var uuid = hex.substr(0, 8) + '-' + hex.substr(8, 4) + '-' + hex.substr(12, 4) + '-' + hex.substr(16, 4) + '-' + hex.substr(20, 12); |
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return 'CSUUID("' + uuid + '")'; |
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} |
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BinData.prototype.toPYUUID = function () { |
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var hex = Base64ToHex(this.base64()); // don't use BinData's hex function because it has bugs
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var uuid = hex.substr(0, 8) + '-' + hex.substr(8, 4) + '-' + hex.substr(12, 4) + '-' + hex.substr(16, 4) + '-' + hex.substr(20, 12); |
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return 'PYUUID("' + uuid + '")'; |
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} |
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BinData.prototype.toHexUUID = function () { |
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var hex = Base64ToHex(this.base64()); // don't use BinData's hex function because it has bugs
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var uuid = hex.substr(0, 8) + '-' + hex.substr(8, 4) + '-' + hex.substr(12, 4) + '-' + hex.substr(16, 4) + '-' + hex.substr(20, 12); |
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return 'HexData(' + this.subtype() + ', "' + uuid + '")'; |
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} |
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function TestUUIDHelperFunctions() { |
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var s = "{00112233-4455-6677-8899-aabbccddeeff}"; |
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var uuid = UUID(s); |
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var juuid = JUUID(s); |
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var csuuid = CSUUID(s); |
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var pyuuid = PYUUID(s); |
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print(uuid.toUUID()); |
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print(juuid.toJUUID()); |
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print(csuuid.toCSUUID()); |
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print(pyuuid.toPYUUID()); |
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print(uuid.toHexUUID()); |
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print(juuid.toHexUUID()); |
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print(csuuid.toHexUUID()); |
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print(pyuuid.toHexUUID()); |
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} |
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