add random string to token gen

add crc to utils
This commit is contained in:
lik 2019-09-04 10:46:51 +08:00
parent 9fced9b8b6
commit 679c784ead
5 changed files with 156 additions and 6 deletions

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@ -10,7 +10,7 @@ function AuthToken(redisdb) {
AuthToken.prototype.genToken = async function(userData, expiresSeconds) {
// 生成系统内部的user token
let hash = crypto.createHash('md5');
hash.update(JSON.stringify(userData) + Date());
hash.update(JSON.stringify(userData) + Date() + Math.random());
let userToken = hash.digest('hex');
// 缓存到redis
@ -99,9 +99,9 @@ AuthToken.prototype.getTokenData = async function (userToken) {
};
let tokenInstance = null;
module.exports = function getTokenInstance(redisPort, redisHost, db) {
module.exports = function getTokenInstance(redisdb) {
if (!tokenInstance) {
tokenInstance = new AuthToken(redisPort, redisHost, db);
tokenInstance = new AuthToken(redisdb);
}
return tokenInstance;
};

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@ -1,6 +1,6 @@
{
"name": "@ehason/auth",
"version": "1.2.2",
"version": "1.2.4",
"description": "User auth lib",
"main": "index.js",
"scripts": {

149
utils/impl/crc.js Normal file
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@ -0,0 +1,149 @@
const CRC = {};
CRC._auchCRCHi = [
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,
0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,
0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40,
0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,
0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40,
0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40,
0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,
0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40
];
CRC._auchCRCLo = [
0x00, 0xC0, 0xC1, 0x01, 0xC3, 0x03, 0x02, 0xC2, 0xC6, 0x06,
0x07, 0xC7, 0x05, 0xC5, 0xC4, 0x04, 0xCC, 0x0C, 0x0D, 0xCD,
0x0F, 0xCF, 0xCE, 0x0E, 0x0A, 0xCA, 0xCB, 0x0B, 0xC9, 0x09,
0x08, 0xC8, 0xD8, 0x18, 0x19, 0xD9, 0x1B, 0xDB, 0xDA, 0x1A,
0x1E, 0xDE, 0xDF, 0x1F, 0xDD, 0x1D, 0x1C, 0xDC, 0x14, 0xD4,
0xD5, 0x15, 0xD7, 0x17, 0x16, 0xD6, 0xD2, 0x12, 0x13, 0xD3,
0x11, 0xD1, 0xD0, 0x10, 0xF0, 0x30, 0x31, 0xF1, 0x33, 0xF3,
0xF2, 0x32, 0x36, 0xF6, 0xF7, 0x37, 0xF5, 0x35, 0x34, 0xF4,
0x3C, 0xFC, 0xFD, 0x3D, 0xFF, 0x3F, 0x3E, 0xFE, 0xFA, 0x3A,
0x3B, 0xFB, 0x39, 0xF9, 0xF8, 0x38, 0x28, 0xE8, 0xE9, 0x29,
0xEB, 0x2B, 0x2A, 0xEA, 0xEE, 0x2E, 0x2F, 0xEF, 0x2D, 0xED,
0xEC, 0x2C, 0xE4, 0x24, 0x25, 0xE5, 0x27, 0xE7, 0xE6, 0x26,
0x22, 0xE2, 0xE3, 0x23, 0xE1, 0x21, 0x20, 0xE0, 0xA0, 0x60,
0x61, 0xA1, 0x63, 0xA3, 0xA2, 0x62, 0x66, 0xA6, 0xA7, 0x67,
0xA5, 0x65, 0x64, 0xA4, 0x6C, 0xAC, 0xAD, 0x6D, 0xAF, 0x6F,
0x6E, 0xAE, 0xAA, 0x6A, 0x6B, 0xAB, 0x69, 0xA9, 0xA8, 0x68,
0x78, 0xB8, 0xB9, 0x79, 0xBB, 0x7B, 0x7A, 0xBA, 0xBE, 0x7E,
0x7F, 0xBF, 0x7D, 0xBD, 0xBC, 0x7C, 0xB4, 0x74, 0x75, 0xB5,
0x77, 0xB7, 0xB6, 0x76, 0x72, 0xB2, 0xB3, 0x73, 0xB1, 0x71,
0x70, 0xB0, 0x50, 0x90, 0x91, 0x51, 0x93, 0x53, 0x52, 0x92,
0x96, 0x56, 0x57, 0x97, 0x55, 0x95, 0x94, 0x54, 0x9C, 0x5C,
0x5D, 0x9D, 0x5F, 0x9F, 0x9E, 0x5E, 0x5A, 0x9A, 0x9B, 0x5B,
0x99, 0x59, 0x58, 0x98, 0x88, 0x48, 0x49, 0x89, 0x4B, 0x8B,
0x8A, 0x4A, 0x4E, 0x8E, 0x8F, 0x4F, 0x8D, 0x4D, 0x4C, 0x8C,
0x44, 0x84, 0x85, 0x45, 0x87, 0x47, 0x46, 0x86, 0x82, 0x42,
0x43, 0x83, 0x41, 0x81, 0x80, 0x40
];
CRC.CRC16 = function (buffer) {
let hi = 0xff;
let lo = 0xff;
for (let i = 0; i < buffer.length; i++) {
let idx = hi ^ buffer[i];
hi = (lo ^ CRC._auchCRCHi[idx]);
lo = CRC._auchCRCLo[idx];
}
return CRC.padLeft((hi << 8 | lo).toString(16).toUpperCase(), 4, '0');
};
CRC.isArray = function (arr) {
return Object.prototype.toString.call(arr) === '[object Array]';
};
CRC.ToCRC16 = function (str) {
return CRC.CRC16(CRC.isArray(str) ? str : CRC.strToByte(str));
};
CRC.ToModbusCRC16 = function (str) {
return CRC.CRC16(CRC.isArray(str) ? str : CRC.strToHex(str));
};
CRC.strToByte = function (str) {
let tmp = str.split(''), arr = [];
for (let i = 0, c = tmp.length; i < c; i++) {
let j = encodeURI(tmp[i]);
if (j.length === 1) {
arr.push(j.charCodeAt());
} else {
let b = j.split('%');
for (let m = 1; m < b.length; m++) {
arr.push(parseInt('0x' + b[m]));
}
}
}
return arr;
};
CRC.convertChinese = function (str) {
let tmp = str.split(''), arr = [];
for (let i = 0, c = tmp.length; i < c; i++) {
let s = tmp[i].charCodeAt();
if (s <= 0 || s >= 127) {
arr.push(s.toString(16));
}
else {
arr.push(tmp[i]);
}
}
return arr;
};
CRC.filterChinese = function (str) {
let tmp = str.split(''), arr = [];
for (let i = 0, c = tmp.length; i < c; i++) {
let s = tmp[i].charCodeAt();
if (s > 0 && s < 127) {
arr.push(tmp[i]);
}
}
return arr;
};
CRC.strToHex = function (hex, isFilterChinese) {
hex = isFilterChinese ? CRC.filterChinese(hex).join('') : CRC.convertChinese(hex).join('');
//清除所有空格
hex = hex.replace(/\s/g, "");
//若字符个数为奇数,补一个空格
hex += hex.length % 2 !== 0 ? " " : "";
let c = hex.length / 2, arr = [];
for (let i = 0; i < c; i++) {
arr.push(parseInt(hex.substr(i * 2, 2), 16));
}
return arr;
};
CRC.padLeft = function (s, w, pc) {
if (pc === undefined) {
pc = '0';
}
for (let i = 0, c = w - s.length; i < c; i++) {
s = pc + s;
}
return s;
};
module.exports = CRC;

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@ -1,5 +1,6 @@
module.exports = {
prxrmq: require('./impl/prxrmq'),
ctxresp: require('./impl/koaresp')
ctxresp: require('./impl/koaresp'),
crc: require('./impl/crc')
};

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@ -1,6 +1,6 @@
{
"name": "@ehason/utils",
"version": "1.0.2",
"version": "1.1.0",
"description": "Utils for ehason develope",
"main": "index.js",
"scripts": {