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// Tests that a user can only run a getMore on a cursor that they created.
// @tags: [requires_sharding]
(function() {
"use strict";
// TODO SERVER-35447: Multiple users cannot be authenticated on one connection within a session.
TestData.disableImplicitSessions = true;
function runTest(conn) {
let adminDB = conn.getDB("admin");
let isMaster = adminDB.runCommand("ismaster");
assert.commandWorked(isMaster);
const isMongos = (isMaster.msg === "isdbgrid");
// Create the admin user.
assert.commandWorked(adminDB.runCommand({createUser: "admin", pwd: "admin", roles: ["root"]}));
assert.eq(1, adminDB.auth("admin", "admin"));
// Set up the test database.
const testDBName = "auth_getMore";
let testDB = adminDB.getSiblingDB(testDBName);
testDB.dropDatabase();
assert.writeOK(testDB.foo.insert({_id: 0}));
assert.writeOK(testDB.foo.insert({_id: 1}));
assert.writeOK(testDB.foo.insert({_id: 2}));
//
// Test that a user can only run a getMore on a cursor that they created.
//
// Create two users, "Alice" and "Mallory".
assert.commandWorked(
testDB.runCommand({createUser: "Alice", pwd: "pwd", roles: ["readWrite"]}));
assert.commandWorked(
testDB.runCommand({createUser: "Mallory", pwd: "pwd", roles: ["readWrite"]}));
adminDB.logout();
// Test that "Mallory" cannot use a find cursor created by "Alice".
assert.eq(1, testDB.auth("Alice", "pwd"));
let res = assert.commandWorked(testDB.runCommand({find: "foo", batchSize: 0}));
let cursorId = res.cursor.id;
assert.neq(0, cursorId);
testDB.logout();
assert.eq(1, testDB.auth("Mallory", "pwd"));
assert.commandFailedWithCode(testDB.runCommand({getMore: cursorId, collection: "foo"}),
ErrorCodes.Unauthorized,
"read from another user's find cursor");
testDB.logout();
// Test that "Mallory" cannot use a legacy find cursor created by "Alice".
testDB.getMongo().forceReadMode("legacy");
assert.eq(1, testDB.auth("Alice", "pwd"));
let cursor = testDB.foo.find().batchSize(2);
cursor.next();
cursor.next();
testDB.logout();
assert.eq(1, testDB.auth("Mallory", "pwd"));
assert.throws(function() {
cursor.next();
}, [], "read from another user's legacy find cursor");
testDB.logout();
testDB.getMongo().forceReadMode("commands");
// Test that "Mallory" cannot use an aggregation cursor created by "Alice".
assert.eq(1, testDB.auth("Alice", "pwd"));
res = assert.commandWorked(
testDB.runCommand({aggregate: "foo", pipeline: [], cursor: {batchSize: 0}}));
cursorId = res.cursor.id;
assert.neq(0, cursorId);
testDB.logout();
assert.eq(1, testDB.auth("Mallory", "pwd"));
assert.commandFailedWithCode(testDB.runCommand({getMore: cursorId, collection: "foo"}),
ErrorCodes.Unauthorized,
"read from another user's aggregate cursor");
testDB.logout();
// Test that "Mallory" cannot use a listCollections cursor created by "Alice".
assert.eq(1, testDB.auth("Alice", "pwd"));
res = assert.commandWorked(testDB.runCommand({listCollections: 1, cursor: {batchSize: 0}}));
cursorId = res.cursor.id;
assert.neq(0, cursorId);
testDB.logout();
assert.eq(1, testDB.auth("Mallory", "pwd"));
assert.commandFailedWithCode(
testDB.runCommand({getMore: cursorId, collection: "$cmd.listCollections"}),
ErrorCodes.Unauthorized,
"read from another user's listCollections cursor");
testDB.logout();
// Test that "Mallory" cannot use a listIndexes cursor created by "Alice".
assert.eq(1, testDB.auth("Alice", "pwd"));
res = assert.commandWorked(testDB.runCommand({listIndexes: "foo", cursor: {batchSize: 0}}));
cursorId = res.cursor.id;
assert.neq(0, cursorId);
testDB.logout();
assert.eq(1, testDB.auth("Mallory", "pwd"));
assert.commandFailedWithCode(testDB.runCommand({getMore: cursorId, collection: "foo"}),
ErrorCodes.Unauthorized,
"read from another user's listIndexes cursor");
testDB.logout();
//
// Test that a user can call getMore on an indexStats cursor they created, unless the
// indexStats privilege has been revoked in the meantime.
//
assert.eq(1, adminDB.auth("admin", "admin"));
assert.commandWorked(testDB.runCommand({
createRole: "indexStatsOnly",
privileges: [{resource: {db: testDBName, collection: "foo"}, actions: ["indexStats"]}],
roles: []
}));
assert.commandWorked(
testDB.runCommand({createUser: "Bob", pwd: "pwd", roles: ["indexStatsOnly"]}));
adminDB.logout();
assert.eq(1, testDB.auth("Bob", "pwd"));
res = assert.commandWorked(testDB.runCommand(
{aggregate: "foo", pipeline: [{$indexStats: {}}], cursor: {batchSize: 0}}));
cursorId = res.cursor.id;
assert.neq(0, cursorId);
assert.commandWorked(testDB.runCommand({getMore: cursorId, collection: "foo"}));
res = assert.commandWorked(testDB.runCommand(
{aggregate: "foo", pipeline: [{$indexStats: {}}], cursor: {batchSize: 0}}));
cursorId = res.cursor.id;
assert.neq(0, cursorId);
testDB.logout();
assert.eq(1, adminDB.auth("admin", "admin"));
assert.commandWorked(
testDB.runCommand({revokeRolesFromUser: "Bob", roles: ["indexStatsOnly"]}));
adminDB.logout();
assert.eq(1, testDB.auth("Bob", "pwd"));
assert.commandFailedWithCode(testDB.runCommand({getMore: cursorId, collection: "foo"}),
ErrorCodes.Unauthorized,
"read from a cursor without required privileges");
testDB.logout();
//
// Test that a user can call getMore on a listCollections cursor they created, unless the
// readWrite privilege has been revoked in the meantime.
//
assert.eq(1, adminDB.auth("admin", "admin"));
assert.commandWorked(testDB.runCommand({createUser: "Tom", pwd: "pwd", roles: ["readWrite"]}));
adminDB.logout();
assert.eq(1, testDB.auth("Tom", "pwd"));
res = assert.commandWorked(testDB.runCommand({listCollections: 1, cursor: {batchSize: 0}}));
cursorId = res.cursor.id;
assert.neq(0, cursorId);
assert.commandWorked(
testDB.runCommand({getMore: cursorId, collection: "$cmd.listCollections"}));
res = assert.commandWorked(testDB.runCommand({listCollections: 1, cursor: {batchSize: 0}}));
cursorId = res.cursor.id;
assert.neq(0, cursorId);
testDB.logout();
assert.eq(1, adminDB.auth("admin", "admin"));
assert.commandWorked(testDB.runCommand({revokeRolesFromUser: "Tom", roles: ["readWrite"]}));
adminDB.logout();
assert.eq(1, testDB.auth("Tom", "pwd"));
assert.commandFailedWithCode(
testDB.runCommand({getMore: cursorId, collection: "$cmd.listCollections"}),
ErrorCodes.Unauthorized,
"read from a cursor without required privileges");
testDB.logout();
//
// Test that a user can call getMore on a listIndexes cursor they created, unless the
// readWrite privilege has been revoked in the meantime.
//
assert.eq(1, adminDB.auth("admin", "admin"));
assert.commandWorked(testDB.runCommand({createUser: "Bill", pwd: "pwd", roles: ["readWrite"]}));
adminDB.logout();
assert.eq(1, testDB.auth("Bill", "pwd"));
res = assert.commandWorked(testDB.runCommand({listIndexes: "foo", cursor: {batchSize: 0}}));
cursorId = res.cursor.id;
assert.neq(0, cursorId);
assert.commandWorked(testDB.runCommand({getMore: cursorId, collection: "foo"}));
res = assert.commandWorked(testDB.runCommand({listIndexes: "foo", cursor: {batchSize: 0}}));
cursorId = res.cursor.id;
assert.neq(0, cursorId);
testDB.logout();
assert.eq(1, adminDB.auth("admin", "admin"));
assert.commandWorked(testDB.runCommand({revokeRolesFromUser: "Bill", roles: ["readWrite"]}));
adminDB.logout();
assert.eq(1, testDB.auth("Bill", "pwd"));
assert.commandFailedWithCode(testDB.runCommand({getMore: cursorId, collection: "foo"}),
ErrorCodes.Unauthorized,
"read from a cursor without required privileges");
testDB.logout();
//
// Test that a user can run a getMore on an aggregate cursor they created, unless some
// privileges required for the pipeline have been revoked in the meantime.
//
assert.eq(1, testDB.auth("Alice", "pwd"));
res = assert.commandWorked(testDB.runCommand(
{aggregate: "foo", pipeline: [{$match: {_id: 0}}, {$out: "out"}], cursor: {batchSize: 0}}));
cursorId = res.cursor.id;
assert.neq(0, cursorId);
assert.commandWorked(testDB.runCommand({getMore: cursorId, collection: "foo"}));
res = assert.commandWorked(testDB.runCommand(
{aggregate: "foo", pipeline: [{$match: {_id: 0}}, {$out: "out"}], cursor: {batchSize: 0}}));
cursorId = res.cursor.id;
assert.neq(0, cursorId);
testDB.logout();
assert.eq(1, adminDB.auth("admin", "admin"));
testDB.revokeRolesFromUser("Alice", ["readWrite"]);
testDB.grantRolesToUser("Alice", ["read"]);
adminDB.logout();
assert.eq(1, testDB.auth("Alice", "pwd"));
assert.commandFailedWithCode(
testDB.runCommand(
{aggregate: "foo", pipeline: [{$match: {_id: 0}}, {$out: "out"}], cursor: {}}),
ErrorCodes.Unauthorized,
"user should no longer have write privileges");
assert.commandFailedWithCode(testDB.runCommand({getMore: cursorId, collection: "foo"}),
ErrorCodes.Unauthorized,
"wrote from a cursor without required privileges");
testDB.logout();
//
// Test that if there were multiple users authenticated when the cursor was created, then at
// least one of them must be authenticated in order to run getMore on the cursor.
//
assert.eq(1, adminDB.auth("admin", "admin"));
assert.writeOK(testDB.bar.insert({_id: 0}));
// Create a user "fooUser" on the test database that can read the "foo" collection.
assert.commandWorked(testDB.runCommand({
createRole: "readFoo",
privileges: [{resource: {db: testDBName, collection: "foo"}, actions: ["find"]}],
roles: []
}));
assert.commandWorked(
testDB.runCommand({createUser: "fooUser", pwd: "pwd", roles: ["readFoo"]}));
// Create a user "fooBarUser" on the admin database that can read the "foo" and "bar"
// collections.
assert.commandWorked(adminDB.runCommand({
createRole: "readFooBar",
privileges: [
{resource: {db: testDBName, collection: "foo"}, actions: ["find"]},
{resource: {db: testDBName, collection: "bar"}, actions: ["find"]}
],
roles: []
}));
assert.commandWorked(
adminDB.runCommand({createUser: "fooBarUser", pwd: "pwd", roles: ["readFooBar"]}));
adminDB.logout();
// Test that a cursor created by "fooUser" and "fooBarUser" can be used by "fooUser".
assert.eq(1, testDB.auth("fooUser", "pwd"));
assert.eq(1, adminDB.auth("fooBarUser", "pwd"));
res = assert.commandWorked(testDB.runCommand({find: "foo", batchSize: 0}));
cursorId = res.cursor.id;
assert.neq(0, cursorId);
adminDB.logout();
assert.commandWorked(testDB.runCommand({getMore: cursorId, collection: "foo"}));
testDB.logout();
// Test that a cursor created by "fooUser" and "fooBarUser" cannot be used by "fooUser" if
// "fooUser" does not have the privilege to read the collection.
assert.eq(1, testDB.auth("fooUser", "pwd"));
assert.eq(1, adminDB.auth("fooBarUser", "pwd"));
res = assert.commandWorked(testDB.runCommand({find: "bar", batchSize: 0}));
cursorId = res.cursor.id;
assert.neq(0, cursorId);
adminDB.logout();
assert.commandFailedWithCode(testDB.runCommand({getMore: cursorId, collection: "bar"}),
ErrorCodes.Unauthorized,
"read from a cursor without required privileges");
testDB.logout();
// Test that an aggregate cursor created by "fooUser" and "fooBarUser" cannot be used by
// "fooUser" if "fooUser" does not have all privileges required by the pipeline.
assert.eq(1, testDB.auth("fooUser", "pwd"));
assert.eq(1, adminDB.auth("fooBarUser", "pwd"));
res = assert.commandWorked(testDB.runCommand({
aggregate: "foo",
pipeline: [
{$match: {_id: 0}},
{$lookup: {from: "bar", localField: "_id", foreignField: "_id", as: "bar"}}
],
cursor: {batchSize: 0}
}));
cursorId = res.cursor.id;
assert.neq(0, cursorId);
assert.commandWorked(testDB.runCommand({getMore: cursorId, collection: "foo"}));
res = assert.commandWorked(testDB.runCommand({
aggregate: "foo",
pipeline: [
{$match: {_id: 0}},
{$lookup: {from: "bar", localField: "_id", foreignField: "_id", as: "bar"}}
],
cursor: {batchSize: 0}
}));
cursorId = res.cursor.id;
assert.neq(0, cursorId);
adminDB.logout();
assert.commandFailedWithCode(testDB.runCommand({getMore: cursorId, collection: "foo"}),
ErrorCodes.Unauthorized,
"read from a cursor without required privileges");
testDB.logout();
}
// Run the test on a standalone.
let conn = MongoRunner.runMongod({auth: "", bind_ip: "127.0.0.1"});
runTest(conn);
MongoRunner.stopMongod(conn);
// Run the test on a sharded cluster.
// TODO: Remove 'shardAsReplicaSet: false' when SERVER-32672 is fixed.
let cluster = new ShardingTest({
shards: 1,
mongos: 1,
keyFile: "jstests/libs/key1",
other: {shardOptions: {auth: ""}, shardAsReplicaSet: false}
});
runTest(cluster);
cluster.stop();
}());
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