feat: add auth support for Redis 6 (#1130)

Author: asyrique

Diff for: examples/basic_operations.js

@@ -2,6 +2,7 @@ const Redis = require("ioredis");
 const redis = new Redis({
   port: process.env.redisPort,
   host: process.env.redisEndpoint,
+  username: process.env.redisUsername,
   password: process.env.redisPW,
 });
 

Diff for: lib/cluster/ClusterSubscriber.ts

@@ -74,6 +74,7 @@ export default class ClusterSubscriber {
     this.subscriber = new Redis({
       port: options.port,
       host: options.host,
+      username: options.username,
       password: options.password,
       enableReadyCheck: true,
       connectionName: SUBSCRIBER_CONNECTION_NAME,

Diff for: lib/cluster/util.ts

@@ -7,6 +7,7 @@ export type NodeRole = "master" | "slave" | "all";
 export interface IRedisOptions {
   port: number;
   host: string;
+  username?: string;
   password?: string;
   [key: string]: any;
 }

Diff for: lib/connectors/SentinelConnector/index.ts

@@ -35,6 +35,7 @@ export { ISentinelAddress, SentinelIterator };
 export interface ISentinelConnectionOptions extends ITcpConnectionOptions {
   role: "master" | "slave";
   name: string;
+  sentinelUsername?: string;
   sentinelPassword?: string;
   sentinels: Array<Partial<ISentinelAddress>>;
   sentinelRetryStrategy?: (retryAttempts: number) => number | void | null;
@@ -278,6 +279,7 @@ export default class SentinelConnector extends AbstractConnector {
     const client = new Redis({
       port: endpoint.port || 26379,
       host: endpoint.host,
+      username: this.options.sentinelUsername || null,
       password: this.options.sentinelPassword || null,
       family:
         endpoint.family ||

Diff for: lib/redis/RedisOptions.ts

@@ -14,6 +14,7 @@ export interface IRedisOptions
   keepAlive?: number;
   noDelay?: boolean;
   connectionName?: string;
+  username?: string;
   password?: string;
   db?: number;
   dropBufferSupport?: boolean;
@@ -50,6 +51,7 @@ export const DEFAULT_REDIS_OPTIONS: IRedisOptions = {
   enableTLSForSentinelMode: false,
   updateSentinels: true,
   // Status
+  username: null,
   password: null,
   db: 0,
   // Others

Diff for: lib/redis/event_handler.ts

@@ -25,13 +25,29 @@ export function connectHandler(self) {
           return;
         }
         if (err) {
-          if (err.message.indexOf("no password is set") === -1) {
-            flushed = true;
-            self.recoverFromFatalError(err, err);
-          } else {
+          if (err.message.indexOf("no password is set") !== -1) {
             console.warn(
               "[WARN] Redis server does not require a password, but a password was supplied."
             );
+          } else if (
+            err.message.indexOf(
+              "without any password configured for the default user"
+            ) !== -1
+          ) {
+            console.warn(
+              "[WARN] This Redis server's `default` user does not require a password, but a password was supplied"
+            );
+          } else if (
+            err.message.indexOf(
+              "wrong number of arguments for 'auth' command"
+            ) !== -1
+          ) {
+            console.warn(
+              `[ERROR] The server returned "wrong number of arguments for 'auth' command". You are probably passing both username and password to Redis version 5 or below. You should only pass the 'password' option for Redis version 5 and under.`
+            );
+          } else {
+            flushed = true;
+            self.recoverFromFatalError(err, err);
           }
         }
       });

Diff for: lib/redis/index.ts

@@ -42,6 +42,7 @@ const debug = Debug("redis");
  * it to reduce the latency.
  * @param {string} [options.connectionName=null] - Connection name.
  * @param {number} [options.db=0] - Database index to use.
+ * @param {string} [options.username=null] - If set, client will send AUTH command with this user and password when connected.
  * @param {string} [options.password=null] - If set, client will send AUTH command
  * with the value of this option when connected.
  * @param {boolean} [options.dropBufferSupport=false] - Drop the buffer support for better performance.
@@ -277,7 +278,10 @@ Redis.prototype.connect = function (callback) {
 
     this.condition = {
       select: options.db,
-      auth: options.password,
+      auth:
+        options.username
+          ? [options.username, options.password]
+          : options.password,
       subscriber: false,
     };
 

Diff for: lib/utils/index.ts

@@ -257,7 +257,11 @@ export function parseURL(url) {
 
   const result: any = {};
   if (parsed.auth) {
-    result.password = parsed.auth.split(":")[1];
+    const parsedAuth = parsed.auth.split(":");
+    if (parsedAuth[0]) {
+      result.username = parsedAuth[0];
+    }
+    result.password = parsedAuth[1];
   }
   if (parsed.pathname) {
     if (parsed.protocol === "redis:" || parsed.protocol === "rediss:") {

Diff for: package.json

@@ -8,6 +8,7 @@
   ],
   "scripts": {
     "test": "TS_NODE_TRANSPILE_ONLY=true TS_NODE_LOG_ERROR=true NODE_ENV=test mocha \"test/**/*.ts\"",
+    "test-single": "TS_NODE_TRANSPILE_ONLY=true TS_NODE_LOG_ERROR=true NODE_ENV=test mocha $1",
     "lint": "eslint --ext .js,.ts .",
     "format": "prettier --write \"{,!(node_modules)/**/}*.{js,ts}\"",
     "format-check": "prettier --check \"{,!(node_modules)/**/}*.{js,ts}\"",