feat(NODE-5838): remove support for server 3.6

.evergreen/ci_matrix_constants.js

@@ -1,4 +1,4 @@
-const MONGODB_VERSIONS = ['latest', 'rapid', '8.0', '7.0', '6.0', '5.0', '4.4', '4.2', '4.0', '3.6'];
+const MONGODB_VERSIONS = ['latest', 'rapid', '8.0', '7.0', '6.0', '5.0', '4.4', '4.2', '4.0'];
 const versions = [
   { codeName: 'gallium', versionNumber: 16, npmVersion: 9 },
   { codeName: 'hydrogen', versionNumber: 18, npmVersion: 'latest' },

.evergreen/config.yml

@@ -1760,57 +1760,6 @@ tasks:
       - func: bootstrap mongo-orchestration
       - func: bootstrap kms servers
       - func: run tests
-  - name: test-3.6-server
-    tags:
-      - '3.6'
-      - server
-    commands:
-      - command: expansions.update
-        type: setup
-        params:
-          updates:
-            - {key: NPM_VERSION, value: '9'}
-            - {key: VERSION, value: '3.6'}
-            - {key: TOPOLOGY, value: server}
-            - {key: AUTH, value: auth}
-      - func: install dependencies
-      - func: bootstrap mongo-orchestration
-      - func: bootstrap kms servers
-      - func: run tests
-  - name: test-3.6-replica_set
-    tags:
-      - '3.6'
-      - replica_set
-    commands:
-      - command: expansions.update
-        type: setup
-        params:
-          updates:
-            - {key: NPM_VERSION, value: '9'}
-            - {key: VERSION, value: '3.6'}
-            - {key: TOPOLOGY, value: replica_set}
-            - {key: AUTH, value: auth}
-      - func: install dependencies
-      - func: bootstrap mongo-orchestration
-      - func: bootstrap kms servers
-      - func: run tests
-  - name: test-3.6-sharded_cluster
-    tags:
-      - '3.6'
-      - sharded_cluster
-    commands:
-      - command: expansions.update
-        type: setup
-        params:
-          updates:
-            - {key: NPM_VERSION, value: '9'}
-            - {key: VERSION, value: '3.6'}
-            - {key: TOPOLOGY, value: sharded_cluster}
-            - {key: AUTH, value: auth}
-      - func: install dependencies
-      - func: bootstrap mongo-orchestration
-      - func: bootstrap kms servers
-      - func: run tests
   - name: test-latest-server-v1-api
     tags:
       - latest
@@ -4178,60 +4127,6 @@ tasks:
       - func: bootstrap mongo-orchestration
       - func: bootstrap kms servers
       - func: run tests
-  - name: test-3.6-server-noauth
-    tags:
-      - '3.6'
-      - server
-      - noauth
-    commands:
-      - command: expansions.update
-        type: setup
-        params:
-          updates:
-            - {key: NPM_VERSION, value: '9'}
-            - {key: VERSION, value: '3.6'}
-            - {key: TOPOLOGY, value: server}
-            - {key: AUTH, value: noauth}
-      - func: install dependencies
-      - func: bootstrap mongo-orchestration
-      - func: bootstrap kms servers
-      - func: run tests
-  - name: test-3.6-replica_set-noauth
-    tags:
-      - '3.6'
-      - replica_set
-      - noauth
-    commands:
-      - command: expansions.update
-        type: setup
-        params:
-          updates:
-            - {key: NPM_VERSION, value: '9'}
-            - {key: VERSION, value: '3.6'}
-            - {key: TOPOLOGY, value: replica_set}
-            - {key: AUTH, value: noauth}
-      - func: install dependencies
-      - func: bootstrap mongo-orchestration
-      - func: bootstrap kms servers
-      - func: run tests
-  - name: test-3.6-sharded_cluster-noauth
-    tags:
-      - '3.6'
-      - sharded_cluster
-      - noauth
-    commands:
-      - command: expansions.update
-        type: setup
-        params:
-          updates:
-            - {key: NPM_VERSION, value: '9'}
-            - {key: VERSION, value: '3.6'}
-            - {key: TOPOLOGY, value: sharded_cluster}
-            - {key: AUTH, value: noauth}
-      - func: install dependencies
-      - func: bootstrap mongo-orchestration
-      - func: bootstrap kms servers
-      - func: run tests
   - name: test-lambda-example
     tags:
       - latest
@@ -4676,9 +4571,6 @@ buildvariants:
       - test-4.0-server
       - test-4.0-replica_set
       - test-4.0-sharded_cluster
-      - test-3.6-server
-      - test-3.6-replica_set
-      - test-3.6-sharded_cluster
       - test-latest-server-v1-api
       - test-x509-authentication
       - test-atlas-connectivity
@@ -4735,9 +4627,6 @@ buildvariants:
       - test-4.0-server
       - test-4.0-replica_set
       - test-4.0-sharded_cluster
-      - test-3.6-server
-      - test-3.6-replica_set
-      - test-3.6-sharded_cluster
       - test-latest-server-v1-api
       - test-x509-authentication
       - test-atlas-connectivity
@@ -4794,9 +4683,6 @@ buildvariants:
       - test-4.0-server
       - test-4.0-replica_set
       - test-4.0-sharded_cluster
-      - test-3.6-server
-      - test-3.6-replica_set
-      - test-3.6-sharded_cluster
       - test-latest-server-v1-api
       - test-x509-authentication
       - test-atlas-connectivity
@@ -4852,9 +4738,6 @@ buildvariants:
       - test-4.0-server
       - test-4.0-replica_set
       - test-4.0-sharded_cluster
-      - test-3.6-server
-      - test-3.6-replica_set
-      - test-3.6-sharded_cluster
       - test-latest-server-v1-api
       - test-x509-authentication
       - test-atlas-connectivity
@@ -4910,9 +4793,6 @@ buildvariants:
       - test-4.0-server
       - test-4.0-replica_set
       - test-4.0-sharded_cluster
-      - test-3.6-server
-      - test-3.6-replica_set
-      - test-3.6-sharded_cluster
       - test-latest-server-v1-api
       - test-socks5
       - test-socks5-tls
@@ -4957,9 +4837,6 @@ buildvariants:
       - test-4.0-server
       - test-4.0-replica_set
       - test-4.0-sharded_cluster
-      - test-3.6-server
-      - test-3.6-replica_set
-      - test-3.6-sharded_cluster
       - test-latest-server-v1-api
       - test-socks5
       - test-socks5-tls
@@ -5004,9 +4881,6 @@ buildvariants:
       - test-4.0-server
       - test-4.0-replica_set
       - test-4.0-sharded_cluster
-      - test-3.6-server
-      - test-3.6-replica_set
-      - test-3.6-sharded_cluster
       - test-latest-server-v1-api
       - test-socks5
       - test-socks5-tls
@@ -5254,9 +5128,6 @@ buildvariants:
       - test-4.0-server-noauth
       - test-4.0-replica_set-noauth
       - test-4.0-sharded_cluster-noauth
-      - test-3.6-server-noauth
-      - test-3.6-replica_set-noauth
-      - test-3.6-sharded_cluster-noauth
   - name: rhel8-test-lambda
     display_name: AWS Lambda handler tests
     run_on: rhel80-large

src/cmap/auth/mongo_credentials.ts

@@ -20,15 +20,10 @@ function getDefaultAuthMechanism(hello: Document | null): AuthMechanism {
         ? AuthMechanism.MONGODB_SCRAM_SHA256
         : AuthMechanism.MONGODB_SCRAM_SHA1;
     }
-
-    // Fallback to legacy selection method. If wire version >= 3, use scram-sha-1
-    if (hello.maxWireVersion >= 3) {
-      return AuthMechanism.MONGODB_SCRAM_SHA1;
-    }
   }
 
-  // Default for wireprotocol < 3
-  return AuthMechanism.MONGODB_CR;
+  // Default auth mechanism for 4.0 and higher.
+  return AuthMechanism.MONGODB_SCRAM_SHA256;
 }
 
 const ALLOWED_ENVIRONMENT_NAMES: AuthMechanismProperties['ENVIRONMENT'][] = [
@@ -173,7 +168,6 @@ export class MongoCredentials {
   validate(): void {
     if (
       (this.mechanism === AuthMechanism.MONGODB_GSSAPI ||
-        this.mechanism === AuthMechanism.MONGODB_CR ||
         this.mechanism === AuthMechanism.MONGODB_PLAIN ||
         this.mechanism === AuthMechanism.MONGODB_SCRAM_SHA1 ||
         this.mechanism === AuthMechanism.MONGODB_SCRAM_SHA256) &&

src/cmap/wire_protocol/constants.ts

@@ -1,6 +1,6 @@
-export const MIN_SUPPORTED_SERVER_VERSION = '3.6';
+export const MIN_SUPPORTED_SERVER_VERSION = '4.0';
 export const MAX_SUPPORTED_SERVER_VERSION = '8.0';
-export const MIN_SUPPORTED_WIRE_VERSION = 6;
+export const MIN_SUPPORTED_WIRE_VERSION = 7;
 export const MAX_SUPPORTED_WIRE_VERSION = 25;
 export const MIN_SUPPORTED_QE_WIRE_VERSION = 21;
 export const MIN_SUPPORTED_QE_SERVER_VERSION = '7.0';

src/db.ts

@@ -279,7 +279,7 @@ export class Db {
   }
 
   /**
-   * Execute an aggregation framework pipeline against the database, needs MongoDB \>= 3.6
+   * Execute an aggregation framework pipeline against the database.
    *
    * @param pipeline - An array of aggregation stages to be executed
    * @param options - Optional settings for the command

src/explain.ts

@@ -13,8 +13,7 @@ export type ExplainVerbosity = string;
 
 /**
  * For backwards compatibility, true is interpreted as "allPlansExecution"
- * and false as "queryPlanner". Prior to server version 3.6, aggregate()
- * ignores the verbosity parameter and executes in "queryPlanner".
+ * and false as "queryPlanner".
  * @public
  */
 export type ExplainVerbosityLike = ExplainVerbosity | boolean;

src/mongo_client_auth_providers.ts

@@ -1,7 +1,6 @@
 import { type AuthProvider } from './cmap/auth/auth_provider';
 import { GSSAPI } from './cmap/auth/gssapi';
 import { type AuthMechanismProperties } from './cmap/auth/mongo_credentials';
-import { MongoCR } from './cmap/auth/mongocr';
 import { MongoDBAWS } from './cmap/auth/mongodb_aws';
 import { MongoDBOIDC, OIDC_WORKFLOWS, type Workflow } from './cmap/auth/mongodb_oidc';
 import { AutomatedCallbackWorkflow } from './cmap/auth/mongodb_oidc/automated_callback_workflow';
@@ -16,7 +15,14 @@ import { MongoInvalidArgumentError } from './error';
 /** @internal */
 const AUTH_PROVIDERS = new Map<AuthMechanism | string, (workflow?: Workflow) => AuthProvider>([
   [AuthMechanism.MONGODB_AWS, () => new MongoDBAWS()],
-  [AuthMechanism.MONGODB_CR, () => new MongoCR()],
+  [
+    AuthMechanism.MONGODB_CR,
+    () => {
+      throw new MongoInvalidArgumentError(
+        'MONGODB-CR is no longer a supported auth mechanism in MongoDB 4.0+'
+      );
+    }
+  ],
   [AuthMechanism.MONGODB_GSSAPI, () => new GSSAPI()],
   [AuthMechanism.MONGODB_OIDC, (workflow?: Workflow) => new MongoDBOIDC(workflow)],
   [AuthMechanism.MONGODB_PLAIN, () => new Plain()],

test/mongodb.ts

@@ -107,7 +107,6 @@ export * from '../src/cmap/auth/auth_provider';
 export * from '../src/cmap/auth/aws_temporary_credentials';
 export * from '../src/cmap/auth/gssapi';
 export * from '../src/cmap/auth/mongo_credentials';
-export * from '../src/cmap/auth/mongocr';
 export * from '../src/cmap/auth/mongodb_aws';
 export * from '../src/cmap/auth/mongodb_oidc';
 export * from '../src/cmap/auth/mongodb_oidc/azure_machine_workflow';

test/spec/auth/legacy/connection-string.json

@@ -163,47 +163,6 @@
       "uri": "mongodb://localhost/?authMechanism=GSSAPI",
       "valid": false
     },
-    {
-      "description": "should recognize the mechanism (MONGODB-CR)",
-      "uri": "mongodb://user:password@localhost/?authMechanism=MONGODB-CR",
-      "valid": true,
-      "credential": {
-        "username": "user",
-        "password": "password",
-        "source": "admin",
-        "mechanism": "MONGODB-CR",
-        "mechanism_properties": null
-      }
-    },
-    {
-      "description": "should use the database when no authSource is specified (MONGODB-CR)",
-      "uri": "mongodb://user:password@localhost/foo?authMechanism=MONGODB-CR",
-      "valid": true,
-      "credential": {
-        "username": "user",
-        "password": "password",
-        "source": "foo",
-        "mechanism": "MONGODB-CR",
-        "mechanism_properties": null
-      }
-    },
-    {
-      "description": "should use the authSource when specified (MONGODB-CR)",
-      "uri": "mongodb://user:password@localhost/foo?authMechanism=MONGODB-CR&authSource=bar",
-      "valid": true,
-      "credential": {
-        "username": "user",
-        "password": "password",
-        "source": "bar",
-        "mechanism": "MONGODB-CR",
-        "mechanism_properties": null
-      }
-    },
-    {
-      "description": "should throw an exception if no username is supplied (MONGODB-CR)",
-      "uri": "mongodb://localhost/?authMechanism=MONGODB-CR",
-      "valid": false
-    },
     {
       "description": "should recognize the mechanism (MONGODB-X509)",
       "uri": "mongodb://CN%3DmyName%2COU%3DmyOrgUnit%2CO%3DmyOrg%2CL%3DmyLocality%2CST%3DmyState%2CC%3DmyCountry@localhost/?authMechanism=MONGODB-X509",
@@ -517,7 +476,7 @@
     },
     {
       "description": "should throw an exception if username is specified for test (MONGODB-OIDC)",
-      "uri": "mongodb://principalName@localhost/?authMechanism=MONGODB-OIDC&ENVIRONMENT:test",
+      "uri": "mongodb://principalName@localhost/?authMechanism=MONGODB-OIDC&authMechanismProperties=ENVIRONMENT:test",
       "valid": false,
       "credential": null
     },
@@ -669,4 +628,4 @@
       "credential": null
     }
   ]
-}
+}