mongocr.js
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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.MongoCR = void 0;
const crypto = require("crypto");
const error_1 = require("../../error");
const utils_1 = require("../../utils");
const auth_provider_1 = require("./auth_provider");
class MongoCR extends auth_provider_1.AuthProvider {
auth(authContext, callback) {
const { connection, credentials } = authContext;
if (!credentials) {
return callback(new error_1.MongoMissingCredentialsError('AuthContext must provide credentials.'));
}
const username = credentials.username;
const password = credentials.password;
const source = credentials.source;
connection.command((0, utils_1.ns)(`${source}.$cmd`), { getnonce: 1 }, undefined, (err, r) => {
let nonce = null;
let key = null;
// Get nonce
if (err == null) {
nonce = r.nonce;
// Use node md5 generator
let md5 = crypto.createHash('md5');
// Generate keys used for authentication
md5.update(`${username}:mongo:${password}`, 'utf8');
const hash_password = md5.digest('hex');
// Final key
md5 = crypto.createHash('md5');
md5.update(nonce + username + hash_password, 'utf8');
key = md5.digest('hex');
}
const authenticateCommand = {
authenticate: 1,
user: username,
nonce,
key
};
connection.command((0, utils_1.ns)(`${source}.$cmd`), authenticateCommand, undefined, callback);
});
}
}
exports.MongoCR = MongoCR;
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