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// Tests that users can only use transactions that they created.
// @tags: [uses_transactions]
(function() {
"use strict";
const rst = new ReplSetTest({nodes: 1, keyFile: "jstests/libs/key1"});
rst.startSet();
rst.initiate();
const adminDB = rst.getPrimary().getDB("admin");
// 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 dbName = "test";
const collName = "transactions";
const testDB = adminDB.getSiblingDB(dbName);
testDB.dropDatabase();
assert.commandWorked(testDB.runCommand({create: collName, writeConcern: {w: "majority"}}));
// 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();
// Alice starts a transaction.
assert.eq(1, testDB.auth("Alice", "pwd"));
const lsid = assert.commandWorked(testDB.runCommand({startSession: 1})).id;
assert.commandWorked(testDB.runCommand({
insert: collName,
documents: [{_id: "alice-1"}],
lsid: lsid,
txnNumber: NumberLong(0),
stmtId: NumberInt(0),
startTransaction: true,
autocommit: false
}));
testDB.logout();
// Mallory cannot continue the transaction. Using the same lsid for two different users creates
// two distinct sessions on the server. Mallory's session does not have an open transaction.
assert.eq(1, testDB.auth("Mallory", "pwd"));
assert.commandFailedWithCode(testDB.runCommand({
insert: collName,
documents: [{_id: "mallory"}],
lsid: lsid,
txnNumber: NumberLong(0),
stmtId: NumberInt(1),
autocommit: false
}),
ErrorCodes.NoSuchTransaction);
// Mallory cannot commit the transaction.
assert.commandFailedWithCode(adminDB.runCommand({
commitTransaction: 1,
lsid: lsid,
txnNumber: NumberLong(0),
stmtId: NumberInt(1),
autocommit: false,
writeConcern: {w: "majority"}
}),
ErrorCodes.NoSuchTransaction);
// Mallory cannot abort the transaction.
assert.commandFailedWithCode(adminDB.runCommand({
abortTransaction: 1,
lsid: lsid,
txnNumber: NumberLong(0),
stmtId: NumberInt(1),
autocommit: false,
writeConcern: {w: "majority"}
}),
ErrorCodes.NoSuchTransaction);
testDB.logout();
// An unauthenticated user cannot continue the transaction.
assert.commandFailedWithCode(testDB.runCommand({
insert: collName,
documents: [{_id: "unauthenticated"}],
lsid: lsid,
txnNumber: NumberLong(0),
stmtId: NumberInt(1),
autocommit: false
}),
ErrorCodes.Unauthorized);
// An unauthenticated user cannot commit the transaction.
assert.commandFailedWithCode(adminDB.runCommand({
commitTransaction: 1,
lsid: lsid,
txnNumber: NumberLong(0),
stmtId: NumberInt(1),
autocommit: false,
writeConcern: {w: "majority"}
}),
ErrorCodes.Unauthorized);
// An unauthenticated user cannot abort the transaction.
assert.commandFailedWithCode(adminDB.runCommand({
abortTransaction: 1,
lsid: lsid,
txnNumber: NumberLong(0),
stmtId: NumberInt(1),
autocommit: false,
writeConcern: {w: "majority"}
}),
ErrorCodes.Unauthorized);
// Alice can continue the transaction.
assert.eq(1, testDB.auth("Alice", "pwd"));
assert.commandWorked(testDB.runCommand({
insert: collName,
documents: [{_id: "alice-2"}],
lsid: lsid,
txnNumber: NumberLong(0),
stmtId: NumberInt(1),
autocommit: false
}));
// Alice can commit the transaction.
assert.commandWorked(adminDB.runCommand({
commitTransaction: 1,
lsid: lsid,
txnNumber: NumberLong(0),
stmtId: NumberInt(2),
autocommit: false,
writeConcern: {w: "majority"}
}));
// We do not see the writes from Mallory or the unauthenticated user.
assert.eq(1, testDB[collName].find({_id: "alice-1"}).itcount());
assert.eq(1, testDB[collName].find({_id: "alice-2"}).itcount());
assert.eq(0, testDB[collName].find({_id: "mallory"}).itcount());
assert.eq(0, testDB[collName].find({_id: "unauthenticated"}).itcount());
assert.commandWorked(testDB.runCommand({endSessions: [lsid]}));
testDB.logout();
rst.stopSet();
}());
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