1174 lines
40 KiB
JavaScript
1174 lines
40 KiB
JavaScript
"use strict";
|
||
Object.defineProperty(exports, "__esModule", { value: true });
|
||
exports.randomBytes = exports.COSMOS_DB_MSG = exports.DOCUMENT_DB_MSG = exports.COSMOS_DB_CHECK = exports.DOCUMENT_DB_CHECK = exports.MONGODB_WARNING_CODE = exports.DEFAULT_PK_FACTORY = exports.HostAddress = exports.BufferPool = exports.List = exports.MongoDBCollectionNamespace = exports.MongoDBNamespace = exports.ByteUtils = void 0;
|
||
exports.isUint8Array = isUint8Array;
|
||
exports.hostMatchesWildcards = hostMatchesWildcards;
|
||
exports.normalizeHintField = normalizeHintField;
|
||
exports.isObject = isObject;
|
||
exports.mergeOptions = mergeOptions;
|
||
exports.filterOptions = filterOptions;
|
||
exports.applyRetryableWrites = applyRetryableWrites;
|
||
exports.isPromiseLike = isPromiseLike;
|
||
exports.decorateWithCollation = decorateWithCollation;
|
||
exports.decorateWithReadConcern = decorateWithReadConcern;
|
||
exports.getTopology = getTopology;
|
||
exports.ns = ns;
|
||
exports.makeCounter = makeCounter;
|
||
exports.uuidV4 = uuidV4;
|
||
exports.maxWireVersion = maxWireVersion;
|
||
exports.arrayStrictEqual = arrayStrictEqual;
|
||
exports.errorStrictEqual = errorStrictEqual;
|
||
exports.makeStateMachine = makeStateMachine;
|
||
exports.now = now;
|
||
exports.calculateDurationInMs = calculateDurationInMs;
|
||
exports.hasAtomicOperators = hasAtomicOperators;
|
||
exports.resolveTimeoutOptions = resolveTimeoutOptions;
|
||
exports.resolveOptions = resolveOptions;
|
||
exports.isSuperset = isSuperset;
|
||
exports.isHello = isHello;
|
||
exports.setDifference = setDifference;
|
||
exports.isRecord = isRecord;
|
||
exports.deepCopy = deepCopy;
|
||
exports.emitWarning = emitWarning;
|
||
exports.emitWarningOnce = emitWarningOnce;
|
||
exports.enumToString = enumToString;
|
||
exports.supportsRetryableWrites = supportsRetryableWrites;
|
||
exports.shuffle = shuffle;
|
||
exports.commandSupportsReadConcern = commandSupportsReadConcern;
|
||
exports.compareObjectId = compareObjectId;
|
||
exports.parseInteger = parseInteger;
|
||
exports.parseUnsignedInteger = parseUnsignedInteger;
|
||
exports.checkParentDomainMatch = checkParentDomainMatch;
|
||
exports.get = get;
|
||
exports.request = request;
|
||
exports.isHostMatch = isHostMatch;
|
||
exports.promiseWithResolvers = promiseWithResolvers;
|
||
exports.squashError = squashError;
|
||
exports.once = once;
|
||
exports.maybeAddIdToDocuments = maybeAddIdToDocuments;
|
||
exports.fileIsAccessible = fileIsAccessible;
|
||
exports.csotMin = csotMin;
|
||
exports.noop = noop;
|
||
exports.decorateDecryptionResult = decorateDecryptionResult;
|
||
const crypto = require("crypto");
|
||
const fs_1 = require("fs");
|
||
const http = require("http");
|
||
const timers_1 = require("timers");
|
||
const url = require("url");
|
||
const url_1 = require("url");
|
||
const util_1 = require("util");
|
||
const bson_1 = require("./bson");
|
||
const constants_1 = require("./cmap/wire_protocol/constants");
|
||
const constants_2 = require("./constants");
|
||
const error_1 = require("./error");
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||
const read_concern_1 = require("./read_concern");
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||
const read_preference_1 = require("./read_preference");
|
||
const common_1 = require("./sdam/common");
|
||
const write_concern_1 = require("./write_concern");
|
||
exports.ByteUtils = {
|
||
toLocalBufferType(buffer) {
|
||
return Buffer.isBuffer(buffer)
|
||
? buffer
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||
: Buffer.from(buffer.buffer, buffer.byteOffset, buffer.byteLength);
|
||
},
|
||
equals(seqA, seqB) {
|
||
return exports.ByteUtils.toLocalBufferType(seqA).equals(seqB);
|
||
},
|
||
compare(seqA, seqB) {
|
||
return exports.ByteUtils.toLocalBufferType(seqA).compare(seqB);
|
||
},
|
||
toBase64(uint8array) {
|
||
return exports.ByteUtils.toLocalBufferType(uint8array).toString('base64');
|
||
}
|
||
};
|
||
/**
|
||
* Returns true if value is a Uint8Array or a Buffer
|
||
* @param value - any value that may be a Uint8Array
|
||
*/
|
||
function isUint8Array(value) {
|
||
return (value != null &&
|
||
typeof value === 'object' &&
|
||
Symbol.toStringTag in value &&
|
||
value[Symbol.toStringTag] === 'Uint8Array');
|
||
}
|
||
/**
|
||
* Determines if a connection's address matches a user provided list
|
||
* of domain wildcards.
|
||
*/
|
||
function hostMatchesWildcards(host, wildcards) {
|
||
for (const wildcard of wildcards) {
|
||
if (host === wildcard ||
|
||
(wildcard.startsWith('*.') && host?.endsWith(wildcard.substring(2, wildcard.length))) ||
|
||
(wildcard.startsWith('*/') && host?.endsWith(wildcard.substring(2, wildcard.length)))) {
|
||
return true;
|
||
}
|
||
}
|
||
return false;
|
||
}
|
||
/**
|
||
* Ensure Hint field is in a shape we expect:
|
||
* - object of index names mapping to 1 or -1
|
||
* - just an index name
|
||
* @internal
|
||
*/
|
||
function normalizeHintField(hint) {
|
||
let finalHint = undefined;
|
||
if (typeof hint === 'string') {
|
||
finalHint = hint;
|
||
}
|
||
else if (Array.isArray(hint)) {
|
||
finalHint = {};
|
||
hint.forEach(param => {
|
||
finalHint[param] = 1;
|
||
});
|
||
}
|
||
else if (hint != null && typeof hint === 'object') {
|
||
finalHint = {};
|
||
for (const name in hint) {
|
||
finalHint[name] = hint[name];
|
||
}
|
||
}
|
||
return finalHint;
|
||
}
|
||
const TO_STRING = (object) => Object.prototype.toString.call(object);
|
||
/**
|
||
* Checks if arg is an Object:
|
||
* - **NOTE**: the check is based on the `[Symbol.toStringTag]() === 'Object'`
|
||
* @internal
|
||
*/
|
||
function isObject(arg) {
|
||
return '[object Object]' === TO_STRING(arg);
|
||
}
|
||
/** @internal */
|
||
function mergeOptions(target, source) {
|
||
return { ...target, ...source };
|
||
}
|
||
/** @internal */
|
||
function filterOptions(options, names) {
|
||
const filterOptions = {};
|
||
for (const name in options) {
|
||
if (names.includes(name)) {
|
||
filterOptions[name] = options[name];
|
||
}
|
||
}
|
||
// Filtered options
|
||
return filterOptions;
|
||
}
|
||
/**
|
||
* Applies retryWrites: true to a command if retryWrites is set on the command's database.
|
||
* @internal
|
||
*
|
||
* @param target - The target command to which we will apply retryWrites.
|
||
* @param db - The database from which we can inherit a retryWrites value.
|
||
*/
|
||
function applyRetryableWrites(target, db) {
|
||
if (db && db.s.options?.retryWrites) {
|
||
target.retryWrites = true;
|
||
}
|
||
return target;
|
||
}
|
||
/**
|
||
* Applies a write concern to a command based on well defined inheritance rules, optionally
|
||
* detecting support for the write concern in the first place.
|
||
* @internal
|
||
*
|
||
* @param target - the target command we will be applying the write concern to
|
||
* @param sources - sources where we can inherit default write concerns from
|
||
* @param options - optional settings passed into a command for write concern overrides
|
||
*/
|
||
/**
|
||
* Checks if a given value is a Promise
|
||
*
|
||
* @typeParam T - The resolution type of the possible promise
|
||
* @param value - An object that could be a promise
|
||
* @returns true if the provided value is a Promise
|
||
*/
|
||
function isPromiseLike(value) {
|
||
return (value != null &&
|
||
typeof value === 'object' &&
|
||
'then' in value &&
|
||
typeof value.then === 'function');
|
||
}
|
||
/**
|
||
* Applies collation to a given command.
|
||
* @internal
|
||
*
|
||
* @param command - the command on which to apply collation
|
||
* @param target - target of command
|
||
* @param options - options containing collation settings
|
||
*/
|
||
function decorateWithCollation(command, target, options) {
|
||
const capabilities = getTopology(target).capabilities;
|
||
if (options.collation && typeof options.collation === 'object') {
|
||
if (capabilities && capabilities.commandsTakeCollation) {
|
||
command.collation = options.collation;
|
||
}
|
||
else {
|
||
throw new error_1.MongoCompatibilityError(`Current topology does not support collation`);
|
||
}
|
||
}
|
||
}
|
||
/**
|
||
* Applies a read concern to a given command.
|
||
* @internal
|
||
*
|
||
* @param command - the command on which to apply the read concern
|
||
* @param coll - the parent collection of the operation calling this method
|
||
*/
|
||
function decorateWithReadConcern(command, coll, options) {
|
||
if (options && options.session && options.session.inTransaction()) {
|
||
return;
|
||
}
|
||
const readConcern = Object.assign({}, command.readConcern || {});
|
||
if (coll.s.readConcern) {
|
||
Object.assign(readConcern, coll.s.readConcern);
|
||
}
|
||
if (Object.keys(readConcern).length > 0) {
|
||
Object.assign(command, { readConcern: readConcern });
|
||
}
|
||
}
|
||
/**
|
||
* A helper function to get the topology from a given provider. Throws
|
||
* if the topology cannot be found.
|
||
* @throws MongoNotConnectedError
|
||
* @internal
|
||
*/
|
||
function getTopology(provider) {
|
||
// MongoClient or ClientSession or AbstractCursor
|
||
if ('topology' in provider && provider.topology) {
|
||
return provider.topology;
|
||
}
|
||
else if ('client' in provider && provider.client.topology) {
|
||
return provider.client.topology;
|
||
}
|
||
throw new error_1.MongoNotConnectedError('MongoClient must be connected to perform this operation');
|
||
}
|
||
/** @internal */
|
||
function ns(ns) {
|
||
return MongoDBNamespace.fromString(ns);
|
||
}
|
||
/** @public */
|
||
class MongoDBNamespace {
|
||
/**
|
||
* Create a namespace object
|
||
*
|
||
* @param db - database name
|
||
* @param collection - collection name
|
||
*/
|
||
constructor(db, collection) {
|
||
this.db = db;
|
||
this.collection = collection;
|
||
this.collection = collection === '' ? undefined : collection;
|
||
}
|
||
toString() {
|
||
return this.collection ? `${this.db}.${this.collection}` : this.db;
|
||
}
|
||
withCollection(collection) {
|
||
return new MongoDBCollectionNamespace(this.db, collection);
|
||
}
|
||
static fromString(namespace) {
|
||
if (typeof namespace !== 'string' || namespace === '') {
|
||
// TODO(NODE-3483): Replace with MongoNamespaceError
|
||
throw new error_1.MongoRuntimeError(`Cannot parse namespace from "${namespace}"`);
|
||
}
|
||
const [db, ...collectionParts] = namespace.split('.');
|
||
const collection = collectionParts.join('.');
|
||
return new MongoDBNamespace(db, collection === '' ? undefined : collection);
|
||
}
|
||
}
|
||
exports.MongoDBNamespace = MongoDBNamespace;
|
||
/**
|
||
* @public
|
||
*
|
||
* A class representing a collection's namespace. This class enforces (through Typescript) that
|
||
* the `collection` portion of the namespace is defined and should only be
|
||
* used in scenarios where this can be guaranteed.
|
||
*/
|
||
class MongoDBCollectionNamespace extends MongoDBNamespace {
|
||
constructor(db, collection) {
|
||
super(db, collection);
|
||
this.collection = collection;
|
||
}
|
||
static fromString(namespace) {
|
||
return super.fromString(namespace);
|
||
}
|
||
}
|
||
exports.MongoDBCollectionNamespace = MongoDBCollectionNamespace;
|
||
/** @internal */
|
||
function* makeCounter(seed = 0) {
|
||
let count = seed;
|
||
while (true) {
|
||
const newCount = count;
|
||
count += 1;
|
||
yield newCount;
|
||
}
|
||
}
|
||
/**
|
||
* Synchronously Generate a UUIDv4
|
||
* @internal
|
||
*/
|
||
function uuidV4() {
|
||
const result = crypto.randomBytes(16);
|
||
result[6] = (result[6] & 0x0f) | 0x40;
|
||
result[8] = (result[8] & 0x3f) | 0x80;
|
||
return result;
|
||
}
|
||
/**
|
||
* A helper function for determining `maxWireVersion` between legacy and new topology instances
|
||
* @internal
|
||
*/
|
||
function maxWireVersion(topologyOrServer) {
|
||
if (topologyOrServer) {
|
||
if (topologyOrServer.loadBalanced || topologyOrServer.serverApi?.version) {
|
||
// Since we do not have a monitor in the load balanced mode,
|
||
// we assume the load-balanced server is always pointed at the latest mongodb version.
|
||
// There is a risk that for on-prem deployments
|
||
// that don't upgrade immediately that this could alert to the
|
||
// application that a feature is available that is actually not.
|
||
// We also return the max supported wire version for serverAPI.
|
||
return constants_1.MAX_SUPPORTED_WIRE_VERSION;
|
||
}
|
||
if (topologyOrServer.hello) {
|
||
return topologyOrServer.hello.maxWireVersion;
|
||
}
|
||
if ('lastHello' in topologyOrServer && typeof topologyOrServer.lastHello === 'function') {
|
||
const lastHello = topologyOrServer.lastHello();
|
||
if (lastHello) {
|
||
return lastHello.maxWireVersion;
|
||
}
|
||
}
|
||
if (topologyOrServer.description &&
|
||
'maxWireVersion' in topologyOrServer.description &&
|
||
topologyOrServer.description.maxWireVersion != null) {
|
||
return topologyOrServer.description.maxWireVersion;
|
||
}
|
||
}
|
||
return 0;
|
||
}
|
||
/** @internal */
|
||
function arrayStrictEqual(arr, arr2) {
|
||
if (!Array.isArray(arr) || !Array.isArray(arr2)) {
|
||
return false;
|
||
}
|
||
return arr.length === arr2.length && arr.every((elt, idx) => elt === arr2[idx]);
|
||
}
|
||
/** @internal */
|
||
function errorStrictEqual(lhs, rhs) {
|
||
if (lhs === rhs) {
|
||
return true;
|
||
}
|
||
if (!lhs || !rhs) {
|
||
return lhs === rhs;
|
||
}
|
||
if ((lhs == null && rhs != null) || (lhs != null && rhs == null)) {
|
||
return false;
|
||
}
|
||
if (lhs.constructor.name !== rhs.constructor.name) {
|
||
return false;
|
||
}
|
||
if (lhs.message !== rhs.message) {
|
||
return false;
|
||
}
|
||
return true;
|
||
}
|
||
/** @internal */
|
||
function makeStateMachine(stateTable) {
|
||
return function stateTransition(target, newState) {
|
||
const legalStates = stateTable[target.s.state];
|
||
if (legalStates && legalStates.indexOf(newState) < 0) {
|
||
throw new error_1.MongoRuntimeError(`illegal state transition from [${target.s.state}] => [${newState}], allowed: [${legalStates}]`);
|
||
}
|
||
target.emit('stateChanged', target.s.state, newState);
|
||
target.s.state = newState;
|
||
};
|
||
}
|
||
/** @internal */
|
||
function now() {
|
||
const hrtime = process.hrtime();
|
||
return Math.floor(hrtime[0] * 1000 + hrtime[1] / 1000000);
|
||
}
|
||
/** @internal */
|
||
function calculateDurationInMs(started) {
|
||
if (typeof started !== 'number') {
|
||
return -1;
|
||
}
|
||
const elapsed = now() - started;
|
||
return elapsed < 0 ? 0 : elapsed;
|
||
}
|
||
/** @internal */
|
||
function hasAtomicOperators(doc) {
|
||
if (Array.isArray(doc)) {
|
||
for (const document of doc) {
|
||
if (hasAtomicOperators(document)) {
|
||
return true;
|
||
}
|
||
}
|
||
return false;
|
||
}
|
||
const keys = Object.keys(doc);
|
||
return keys.length > 0 && keys[0][0] === '$';
|
||
}
|
||
function resolveTimeoutOptions(client, options) {
|
||
const { socketTimeoutMS, serverSelectionTimeoutMS, waitQueueTimeoutMS, timeoutMS } = client.s.options;
|
||
return { socketTimeoutMS, serverSelectionTimeoutMS, waitQueueTimeoutMS, timeoutMS, ...options };
|
||
}
|
||
/**
|
||
* Merge inherited properties from parent into options, prioritizing values from options,
|
||
* then values from parent.
|
||
*
|
||
* @param parent - An optional owning class of the operation being run. ex. Db/Collection/MongoClient.
|
||
* @param options - The options passed to the operation method.
|
||
*
|
||
* @internal
|
||
*/
|
||
function resolveOptions(parent, options) {
|
||
const result = Object.assign({}, options, (0, bson_1.resolveBSONOptions)(options, parent));
|
||
const timeoutMS = options?.timeoutMS ?? parent?.timeoutMS;
|
||
// Users cannot pass a readConcern/writeConcern to operations in a transaction
|
||
const session = options?.session;
|
||
if (!session?.inTransaction()) {
|
||
const readConcern = read_concern_1.ReadConcern.fromOptions(options) ?? parent?.readConcern;
|
||
if (readConcern) {
|
||
result.readConcern = readConcern;
|
||
}
|
||
let writeConcern = write_concern_1.WriteConcern.fromOptions(options) ?? parent?.writeConcern;
|
||
if (writeConcern) {
|
||
if (timeoutMS != null) {
|
||
writeConcern = write_concern_1.WriteConcern.fromOptions({
|
||
...writeConcern,
|
||
wtimeout: undefined,
|
||
wtimeoutMS: undefined
|
||
});
|
||
}
|
||
result.writeConcern = writeConcern;
|
||
}
|
||
}
|
||
result.timeoutMS = timeoutMS;
|
||
const readPreference = read_preference_1.ReadPreference.fromOptions(options) ?? parent?.readPreference;
|
||
if (readPreference) {
|
||
result.readPreference = readPreference;
|
||
}
|
||
const isConvenientTransaction = session?.explicit && session?.timeoutContext != null;
|
||
if (isConvenientTransaction && options?.timeoutMS != null) {
|
||
throw new error_1.MongoInvalidArgumentError('An operation cannot be given a timeoutMS setting when inside a withTransaction call that has a timeoutMS setting');
|
||
}
|
||
return result;
|
||
}
|
||
function isSuperset(set, subset) {
|
||
set = Array.isArray(set) ? new Set(set) : set;
|
||
subset = Array.isArray(subset) ? new Set(subset) : subset;
|
||
for (const elem of subset) {
|
||
if (!set.has(elem)) {
|
||
return false;
|
||
}
|
||
}
|
||
return true;
|
||
}
|
||
/**
|
||
* Checks if the document is a Hello request
|
||
* @internal
|
||
*/
|
||
function isHello(doc) {
|
||
return doc[constants_2.LEGACY_HELLO_COMMAND] || doc.hello ? true : false;
|
||
}
|
||
/** Returns the items that are uniquely in setA */
|
||
function setDifference(setA, setB) {
|
||
const difference = new Set(setA);
|
||
for (const elem of setB) {
|
||
difference.delete(elem);
|
||
}
|
||
return difference;
|
||
}
|
||
const HAS_OWN = (object, prop) => Object.prototype.hasOwnProperty.call(object, prop);
|
||
function isRecord(value, requiredKeys = undefined) {
|
||
if (!isObject(value)) {
|
||
return false;
|
||
}
|
||
const ctor = value.constructor;
|
||
if (ctor && ctor.prototype) {
|
||
if (!isObject(ctor.prototype)) {
|
||
return false;
|
||
}
|
||
// Check to see if some method exists from the Object exists
|
||
if (!HAS_OWN(ctor.prototype, 'isPrototypeOf')) {
|
||
return false;
|
||
}
|
||
}
|
||
if (requiredKeys) {
|
||
const keys = Object.keys(value);
|
||
return isSuperset(keys, requiredKeys);
|
||
}
|
||
return true;
|
||
}
|
||
/**
|
||
* Make a deep copy of an object
|
||
*
|
||
* NOTE: This is not meant to be the perfect implementation of a deep copy,
|
||
* but instead something that is good enough for the purposes of
|
||
* command monitoring.
|
||
*/
|
||
function deepCopy(value) {
|
||
if (value == null) {
|
||
return value;
|
||
}
|
||
else if (Array.isArray(value)) {
|
||
return value.map(item => deepCopy(item));
|
||
}
|
||
else if (isRecord(value)) {
|
||
const res = {};
|
||
for (const key in value) {
|
||
res[key] = deepCopy(value[key]);
|
||
}
|
||
return res;
|
||
}
|
||
const ctor = value.constructor;
|
||
if (ctor) {
|
||
switch (ctor.name.toLowerCase()) {
|
||
case 'date':
|
||
return new ctor(Number(value));
|
||
case 'map':
|
||
return new Map(value);
|
||
case 'set':
|
||
return new Set(value);
|
||
case 'buffer':
|
||
return Buffer.from(value);
|
||
}
|
||
}
|
||
return value;
|
||
}
|
||
/**
|
||
* A sequential list of items in a circularly linked list
|
||
* @remarks
|
||
* The head node is special, it is always defined and has a value of null.
|
||
* It is never "included" in the list, in that, it is not returned by pop/shift or yielded by the iterator.
|
||
* The circular linkage and always defined head node are to reduce checks for null next/prev references to zero.
|
||
* New nodes are declared as object literals with keys always in the same order: next, prev, value.
|
||
* @internal
|
||
*/
|
||
class List {
|
||
get length() {
|
||
return this.count;
|
||
}
|
||
get [Symbol.toStringTag]() {
|
||
return 'List';
|
||
}
|
||
constructor() {
|
||
this.count = 0;
|
||
// this is carefully crafted:
|
||
// declaring a complete and consistently key ordered
|
||
// object is beneficial to the runtime optimizations
|
||
this.head = {
|
||
next: null,
|
||
prev: null,
|
||
value: null
|
||
};
|
||
this.head.next = this.head;
|
||
this.head.prev = this.head;
|
||
}
|
||
toArray() {
|
||
return Array.from(this);
|
||
}
|
||
toString() {
|
||
return `head <=> ${this.toArray().join(' <=> ')} <=> head`;
|
||
}
|
||
*[Symbol.iterator]() {
|
||
for (const node of this.nodes()) {
|
||
yield node.value;
|
||
}
|
||
}
|
||
*nodes() {
|
||
let ptr = this.head.next;
|
||
while (ptr !== this.head) {
|
||
// Save next before yielding so that we make removing within iteration safe
|
||
const { next } = ptr;
|
||
yield ptr;
|
||
ptr = next;
|
||
}
|
||
}
|
||
/** Insert at end of list */
|
||
push(value) {
|
||
this.count += 1;
|
||
const newNode = {
|
||
next: this.head,
|
||
prev: this.head.prev,
|
||
value
|
||
};
|
||
this.head.prev.next = newNode;
|
||
this.head.prev = newNode;
|
||
}
|
||
/** Inserts every item inside an iterable instead of the iterable itself */
|
||
pushMany(iterable) {
|
||
for (const value of iterable) {
|
||
this.push(value);
|
||
}
|
||
}
|
||
/** Insert at front of list */
|
||
unshift(value) {
|
||
this.count += 1;
|
||
const newNode = {
|
||
next: this.head.next,
|
||
prev: this.head,
|
||
value
|
||
};
|
||
this.head.next.prev = newNode;
|
||
this.head.next = newNode;
|
||
}
|
||
remove(node) {
|
||
if (node === this.head || this.length === 0) {
|
||
return null;
|
||
}
|
||
this.count -= 1;
|
||
const prevNode = node.prev;
|
||
const nextNode = node.next;
|
||
prevNode.next = nextNode;
|
||
nextNode.prev = prevNode;
|
||
return node.value;
|
||
}
|
||
/** Removes the first node at the front of the list */
|
||
shift() {
|
||
return this.remove(this.head.next);
|
||
}
|
||
/** Removes the last node at the end of the list */
|
||
pop() {
|
||
return this.remove(this.head.prev);
|
||
}
|
||
/** Iterates through the list and removes nodes where filter returns true */
|
||
prune(filter) {
|
||
for (const node of this.nodes()) {
|
||
if (filter(node.value)) {
|
||
this.remove(node);
|
||
}
|
||
}
|
||
}
|
||
clear() {
|
||
this.count = 0;
|
||
this.head.next = this.head;
|
||
this.head.prev = this.head;
|
||
}
|
||
/** Returns the first item in the list, does not remove */
|
||
first() {
|
||
// If the list is empty, value will be the head's null
|
||
return this.head.next.value;
|
||
}
|
||
/** Returns the last item in the list, does not remove */
|
||
last() {
|
||
// If the list is empty, value will be the head's null
|
||
return this.head.prev.value;
|
||
}
|
||
}
|
||
exports.List = List;
|
||
/**
|
||
* A pool of Buffers which allow you to read them as if they were one
|
||
* @internal
|
||
*/
|
||
class BufferPool {
|
||
constructor() {
|
||
this.buffers = new List();
|
||
this.totalByteLength = 0;
|
||
}
|
||
get length() {
|
||
return this.totalByteLength;
|
||
}
|
||
/** Adds a buffer to the internal buffer pool list */
|
||
append(buffer) {
|
||
this.buffers.push(buffer);
|
||
this.totalByteLength += buffer.length;
|
||
}
|
||
/**
|
||
* If BufferPool contains 4 bytes or more construct an int32 from the leading bytes,
|
||
* otherwise return null. Size can be negative, caller should error check.
|
||
*/
|
||
getInt32() {
|
||
if (this.totalByteLength < 4) {
|
||
return null;
|
||
}
|
||
const firstBuffer = this.buffers.first();
|
||
if (firstBuffer != null && firstBuffer.byteLength >= 4) {
|
||
return firstBuffer.readInt32LE(0);
|
||
}
|
||
// Unlikely case: an int32 is split across buffers.
|
||
// Use read and put the returned buffer back on top
|
||
const top4Bytes = this.read(4);
|
||
const value = top4Bytes.readInt32LE(0);
|
||
// Put it back.
|
||
this.totalByteLength += 4;
|
||
this.buffers.unshift(top4Bytes);
|
||
return value;
|
||
}
|
||
/** Reads the requested number of bytes, optionally consuming them */
|
||
read(size) {
|
||
if (typeof size !== 'number' || size < 0) {
|
||
throw new error_1.MongoInvalidArgumentError('Argument "size" must be a non-negative number');
|
||
}
|
||
// oversized request returns empty buffer
|
||
if (size > this.totalByteLength) {
|
||
return Buffer.alloc(0);
|
||
}
|
||
// We know we have enough, we just don't know how it is spread across chunks
|
||
// TODO(NODE-4732): alloc API should change based on raw option
|
||
const result = Buffer.allocUnsafe(size);
|
||
for (let bytesRead = 0; bytesRead < size;) {
|
||
const buffer = this.buffers.shift();
|
||
if (buffer == null) {
|
||
break;
|
||
}
|
||
const bytesRemaining = size - bytesRead;
|
||
const bytesReadable = Math.min(bytesRemaining, buffer.byteLength);
|
||
const bytes = buffer.subarray(0, bytesReadable);
|
||
result.set(bytes, bytesRead);
|
||
bytesRead += bytesReadable;
|
||
this.totalByteLength -= bytesReadable;
|
||
if (bytesReadable < buffer.byteLength) {
|
||
this.buffers.unshift(buffer.subarray(bytesReadable));
|
||
}
|
||
}
|
||
return result;
|
||
}
|
||
}
|
||
exports.BufferPool = BufferPool;
|
||
/** @public */
|
||
class HostAddress {
|
||
constructor(hostString) {
|
||
this.host = undefined;
|
||
this.port = undefined;
|
||
this.socketPath = undefined;
|
||
this.isIPv6 = false;
|
||
const escapedHost = hostString.split(' ').join('%20'); // escape spaces, for socket path hosts
|
||
if (escapedHost.endsWith('.sock')) {
|
||
// heuristically determine if we're working with a domain socket
|
||
this.socketPath = decodeURIComponent(escapedHost);
|
||
return;
|
||
}
|
||
const urlString = `iLoveJS://${escapedHost}`;
|
||
let url;
|
||
try {
|
||
url = new url_1.URL(urlString);
|
||
}
|
||
catch (urlError) {
|
||
const runtimeError = new error_1.MongoRuntimeError(`Unable to parse ${escapedHost} with URL`);
|
||
runtimeError.cause = urlError;
|
||
throw runtimeError;
|
||
}
|
||
const hostname = url.hostname;
|
||
const port = url.port;
|
||
let normalized = decodeURIComponent(hostname).toLowerCase();
|
||
if (normalized.startsWith('[') && normalized.endsWith(']')) {
|
||
this.isIPv6 = true;
|
||
normalized = normalized.substring(1, hostname.length - 1);
|
||
}
|
||
this.host = normalized.toLowerCase();
|
||
if (typeof port === 'number') {
|
||
this.port = port;
|
||
}
|
||
else if (typeof port === 'string' && port !== '') {
|
||
this.port = Number.parseInt(port, 10);
|
||
}
|
||
else {
|
||
this.port = 27017;
|
||
}
|
||
if (this.port === 0) {
|
||
throw new error_1.MongoParseError('Invalid port (zero) with hostname');
|
||
}
|
||
Object.freeze(this);
|
||
}
|
||
[Symbol.for('nodejs.util.inspect.custom')]() {
|
||
return this.inspect();
|
||
}
|
||
inspect() {
|
||
return `new HostAddress('${this.toString()}')`;
|
||
}
|
||
toString() {
|
||
if (typeof this.host === 'string') {
|
||
if (this.isIPv6) {
|
||
return `[${this.host}]:${this.port}`;
|
||
}
|
||
return `${this.host}:${this.port}`;
|
||
}
|
||
return `${this.socketPath}`;
|
||
}
|
||
static fromString(s) {
|
||
return new HostAddress(s);
|
||
}
|
||
static fromHostPort(host, port) {
|
||
if (host.includes(':')) {
|
||
host = `[${host}]`; // IPv6 address
|
||
}
|
||
return HostAddress.fromString(`${host}:${port}`);
|
||
}
|
||
static fromSrvRecord({ name, port }) {
|
||
return HostAddress.fromHostPort(name, port);
|
||
}
|
||
toHostPort() {
|
||
if (this.socketPath) {
|
||
return { host: this.socketPath, port: 0 };
|
||
}
|
||
const host = this.host ?? '';
|
||
const port = this.port ?? 0;
|
||
return { host, port };
|
||
}
|
||
}
|
||
exports.HostAddress = HostAddress;
|
||
exports.DEFAULT_PK_FACTORY = {
|
||
// We prefer not to rely on ObjectId having a createPk method
|
||
createPk() {
|
||
return new bson_1.ObjectId();
|
||
}
|
||
};
|
||
/**
|
||
* When the driver used emitWarning the code will be equal to this.
|
||
* @public
|
||
*
|
||
* @example
|
||
* ```ts
|
||
* process.on('warning', (warning) => {
|
||
* if (warning.code === MONGODB_WARNING_CODE) console.error('Ah an important warning! :)')
|
||
* })
|
||
* ```
|
||
*/
|
||
exports.MONGODB_WARNING_CODE = 'MONGODB DRIVER';
|
||
/** @internal */
|
||
function emitWarning(message) {
|
||
return process.emitWarning(message, { code: exports.MONGODB_WARNING_CODE });
|
||
}
|
||
const emittedWarnings = new Set();
|
||
/**
|
||
* Will emit a warning once for the duration of the application.
|
||
* Uses the message to identify if it has already been emitted
|
||
* so using string interpolation can cause multiple emits
|
||
* @internal
|
||
*/
|
||
function emitWarningOnce(message) {
|
||
if (!emittedWarnings.has(message)) {
|
||
emittedWarnings.add(message);
|
||
return emitWarning(message);
|
||
}
|
||
}
|
||
/**
|
||
* Takes a JS object and joins the values into a string separated by ', '
|
||
*/
|
||
function enumToString(en) {
|
||
return Object.values(en).join(', ');
|
||
}
|
||
/**
|
||
* Determine if a server supports retryable writes.
|
||
*
|
||
* @internal
|
||
*/
|
||
function supportsRetryableWrites(server) {
|
||
if (!server) {
|
||
return false;
|
||
}
|
||
if (server.loadBalanced) {
|
||
// Loadbalanced topologies will always support retry writes
|
||
return true;
|
||
}
|
||
if (server.description.logicalSessionTimeoutMinutes != null) {
|
||
// that supports sessions
|
||
if (server.description.type !== common_1.ServerType.Standalone) {
|
||
// and that is not a standalone
|
||
return true;
|
||
}
|
||
}
|
||
return false;
|
||
}
|
||
/**
|
||
* Fisher–Yates Shuffle
|
||
*
|
||
* Reference: https://bost.ocks.org/mike/shuffle/
|
||
* @param sequence - items to be shuffled
|
||
* @param limit - Defaults to `0`. If nonzero shuffle will slice the randomized array e.g, `.slice(0, limit)` otherwise will return the entire randomized array.
|
||
*/
|
||
function shuffle(sequence, limit = 0) {
|
||
const items = Array.from(sequence); // shallow copy in order to never shuffle the input
|
||
if (limit > items.length) {
|
||
throw new error_1.MongoRuntimeError('Limit must be less than the number of items');
|
||
}
|
||
let remainingItemsToShuffle = items.length;
|
||
const lowerBound = limit % items.length === 0 ? 1 : items.length - limit;
|
||
while (remainingItemsToShuffle > lowerBound) {
|
||
// Pick a remaining element
|
||
const randomIndex = Math.floor(Math.random() * remainingItemsToShuffle);
|
||
remainingItemsToShuffle -= 1;
|
||
// And swap it with the current element
|
||
const swapHold = items[remainingItemsToShuffle];
|
||
items[remainingItemsToShuffle] = items[randomIndex];
|
||
items[randomIndex] = swapHold;
|
||
}
|
||
return limit % items.length === 0 ? items : items.slice(lowerBound);
|
||
}
|
||
/**
|
||
* TODO(NODE-4936): read concern eligibility for commands should be codified in command construction
|
||
* @internal
|
||
* @see https://github.com/mongodb/specifications/blob/master/source/read-write-concern/read-write-concern.md#read-concern
|
||
*/
|
||
function commandSupportsReadConcern(command) {
|
||
if (command.aggregate || command.count || command.distinct || command.find || command.geoNear) {
|
||
return true;
|
||
}
|
||
return false;
|
||
}
|
||
/**
|
||
* Compare objectIds. `null` is always less
|
||
* - `+1 = oid1 is greater than oid2`
|
||
* - `-1 = oid1 is less than oid2`
|
||
* - `+0 = oid1 is equal oid2`
|
||
*/
|
||
function compareObjectId(oid1, oid2) {
|
||
if (oid1 == null && oid2 == null) {
|
||
return 0;
|
||
}
|
||
if (oid1 == null) {
|
||
return -1;
|
||
}
|
||
if (oid2 == null) {
|
||
return 1;
|
||
}
|
||
return exports.ByteUtils.compare(oid1.id, oid2.id);
|
||
}
|
||
function parseInteger(value) {
|
||
if (typeof value === 'number')
|
||
return Math.trunc(value);
|
||
const parsedValue = Number.parseInt(String(value), 10);
|
||
return Number.isNaN(parsedValue) ? null : parsedValue;
|
||
}
|
||
function parseUnsignedInteger(value) {
|
||
const parsedInt = parseInteger(value);
|
||
return parsedInt != null && parsedInt >= 0 ? parsedInt : null;
|
||
}
|
||
/**
|
||
* This function throws a MongoAPIError in the event that either of the following is true:
|
||
* * If the provided address domain does not match the provided parent domain
|
||
* * If the parent domain contains less than three `.` separated parts and the provided address does not contain at least one more domain level than its parent
|
||
*
|
||
* If a DNS server were to become compromised SRV records would still need to
|
||
* advertise addresses that are under the same domain as the srvHost.
|
||
*
|
||
* @param address - The address to check against a domain
|
||
* @param srvHost - The domain to check the provided address against
|
||
* @returns void
|
||
*/
|
||
function checkParentDomainMatch(address, srvHost) {
|
||
// Remove trailing dot if exists on either the resolved address or the srv hostname
|
||
const normalizedAddress = address.endsWith('.') ? address.slice(0, address.length - 1) : address;
|
||
const normalizedSrvHost = srvHost.endsWith('.') ? srvHost.slice(0, srvHost.length - 1) : srvHost;
|
||
const allCharacterBeforeFirstDot = /^.*?\./;
|
||
const srvIsLessThanThreeParts = normalizedSrvHost.split('.').length < 3;
|
||
// Remove all characters before first dot
|
||
// Add leading dot back to string so
|
||
// an srvHostDomain = '.trusted.site'
|
||
// will not satisfy an addressDomain that endsWith '.fake-trusted.site'
|
||
const addressDomain = `.${normalizedAddress.replace(allCharacterBeforeFirstDot, '')}`;
|
||
let srvHostDomain = srvIsLessThanThreeParts
|
||
? normalizedSrvHost
|
||
: `.${normalizedSrvHost.replace(allCharacterBeforeFirstDot, '')}`;
|
||
if (!srvHostDomain.startsWith('.')) {
|
||
srvHostDomain = '.' + srvHostDomain;
|
||
}
|
||
if (srvIsLessThanThreeParts &&
|
||
normalizedAddress.split('.').length <= normalizedSrvHost.split('.').length) {
|
||
throw new error_1.MongoAPIError('Server record does not have at least one more domain level than parent URI');
|
||
}
|
||
if (!addressDomain.endsWith(srvHostDomain)) {
|
||
throw new error_1.MongoAPIError('Server record does not share hostname with parent URI');
|
||
}
|
||
}
|
||
/**
|
||
* Perform a get request that returns status and body.
|
||
* @internal
|
||
*/
|
||
function get(url, options = {}) {
|
||
return new Promise((resolve, reject) => {
|
||
/* eslint-disable prefer-const */
|
||
let timeoutId;
|
||
const request = http
|
||
.get(url, options, response => {
|
||
response.setEncoding('utf8');
|
||
let body = '';
|
||
response.on('data', chunk => (body += chunk));
|
||
response.on('end', () => {
|
||
(0, timers_1.clearTimeout)(timeoutId);
|
||
resolve({ status: response.statusCode, body });
|
||
});
|
||
})
|
||
.on('error', error => {
|
||
(0, timers_1.clearTimeout)(timeoutId);
|
||
reject(error);
|
||
})
|
||
.end();
|
||
timeoutId = (0, timers_1.setTimeout)(() => {
|
||
request.destroy(new error_1.MongoNetworkTimeoutError(`request timed out after 10 seconds`));
|
||
}, 10000);
|
||
});
|
||
}
|
||
async function request(uri, options = {}) {
|
||
return await new Promise((resolve, reject) => {
|
||
const requestOptions = {
|
||
method: 'GET',
|
||
timeout: 10000,
|
||
json: true,
|
||
...url.parse(uri),
|
||
...options
|
||
};
|
||
const req = http.request(requestOptions, res => {
|
||
res.setEncoding('utf8');
|
||
let data = '';
|
||
res.on('data', d => {
|
||
data += d;
|
||
});
|
||
res.once('end', () => {
|
||
if (options.json === false) {
|
||
resolve(data);
|
||
return;
|
||
}
|
||
try {
|
||
const parsed = JSON.parse(data);
|
||
resolve(parsed);
|
||
}
|
||
catch {
|
||
// TODO(NODE-3483)
|
||
reject(new error_1.MongoRuntimeError(`Invalid JSON response: "${data}"`));
|
||
}
|
||
});
|
||
});
|
||
req.once('timeout', () => req.destroy(new error_1.MongoNetworkTimeoutError(`Network request to ${uri} timed out after ${options.timeout} ms`)));
|
||
req.once('error', error => reject(error));
|
||
req.end();
|
||
});
|
||
}
|
||
/** @internal */
|
||
exports.DOCUMENT_DB_CHECK = /(\.docdb\.amazonaws\.com$)|(\.docdb-elastic\.amazonaws\.com$)/;
|
||
/** @internal */
|
||
exports.COSMOS_DB_CHECK = /\.cosmos\.azure\.com$/;
|
||
/** @internal */
|
||
exports.DOCUMENT_DB_MSG = 'You appear to be connected to a DocumentDB cluster. For more information regarding feature compatibility and support please visit https://www.mongodb.com/supportability/documentdb';
|
||
/** @internal */
|
||
exports.COSMOS_DB_MSG = 'You appear to be connected to a CosmosDB cluster. For more information regarding feature compatibility and support please visit https://www.mongodb.com/supportability/cosmosdb';
|
||
/** @internal */
|
||
function isHostMatch(match, host) {
|
||
return host && match.test(host.toLowerCase()) ? true : false;
|
||
}
|
||
function promiseWithResolvers() {
|
||
let resolve;
|
||
let reject;
|
||
const promise = new Promise(function withResolversExecutor(promiseResolve, promiseReject) {
|
||
resolve = promiseResolve;
|
||
reject = promiseReject;
|
||
});
|
||
return { promise, resolve, reject };
|
||
}
|
||
/**
|
||
* A noop function intended for use in preventing unhandled rejections.
|
||
*
|
||
* @example
|
||
* ```js
|
||
* const promise = myAsyncTask();
|
||
* // eslint-disable-next-line github/no-then
|
||
* promise.then(undefined, squashError);
|
||
* ```
|
||
*/
|
||
function squashError(_error) {
|
||
return;
|
||
}
|
||
exports.randomBytes = (0, util_1.promisify)(crypto.randomBytes);
|
||
/**
|
||
* Replicates the events.once helper.
|
||
*
|
||
* Removes unused signal logic and It **only** supports 0 or 1 argument events.
|
||
*
|
||
* @param ee - An event emitter that may emit `ev`
|
||
* @param name - An event name to wait for
|
||
*/
|
||
async function once(ee, name) {
|
||
const { promise, resolve, reject } = promiseWithResolvers();
|
||
const onEvent = (data) => resolve(data);
|
||
const onError = (error) => reject(error);
|
||
ee.once(name, onEvent).once('error', onError);
|
||
try {
|
||
const res = await promise;
|
||
ee.off('error', onError);
|
||
return res;
|
||
}
|
||
catch (error) {
|
||
ee.off(name, onEvent);
|
||
throw error;
|
||
}
|
||
}
|
||
function maybeAddIdToDocuments(coll, docOrDocs, options) {
|
||
const forceServerObjectId = typeof options.forceServerObjectId === 'boolean'
|
||
? options.forceServerObjectId
|
||
: coll.s.db.options?.forceServerObjectId;
|
||
// no need to modify the docs if server sets the ObjectId
|
||
if (forceServerObjectId === true) {
|
||
return docOrDocs;
|
||
}
|
||
const transform = (doc) => {
|
||
if (doc._id == null) {
|
||
doc._id = coll.s.pkFactory.createPk();
|
||
}
|
||
return doc;
|
||
};
|
||
return Array.isArray(docOrDocs) ? docOrDocs.map(transform) : transform(docOrDocs);
|
||
}
|
||
async function fileIsAccessible(fileName, mode) {
|
||
try {
|
||
await fs_1.promises.access(fileName, mode);
|
||
return true;
|
||
}
|
||
catch {
|
||
return false;
|
||
}
|
||
}
|
||
function csotMin(duration1, duration2) {
|
||
if (duration1 === 0)
|
||
return duration2;
|
||
if (duration2 === 0)
|
||
return duration1;
|
||
return Math.min(duration1, duration2);
|
||
}
|
||
function noop() {
|
||
return;
|
||
}
|
||
/**
|
||
* Recurse through the (identically-shaped) `decrypted` and `original`
|
||
* objects and attach a `decryptedKeys` property on each sub-object that
|
||
* contained encrypted fields. Because we only call this on BSON responses,
|
||
* we do not need to worry about circular references.
|
||
*
|
||
* @internal
|
||
*/
|
||
function decorateDecryptionResult(decrypted, original, isTopLevelDecorateCall = true) {
|
||
if (isTopLevelDecorateCall) {
|
||
// The original value could have been either a JS object or a BSON buffer
|
||
if (Buffer.isBuffer(original)) {
|
||
original = (0, bson_1.deserialize)(original);
|
||
}
|
||
if (Buffer.isBuffer(decrypted)) {
|
||
throw new error_1.MongoRuntimeError('Expected result of decryption to be deserialized BSON object');
|
||
}
|
||
}
|
||
if (!decrypted || typeof decrypted !== 'object')
|
||
return;
|
||
for (const k of Object.keys(decrypted)) {
|
||
const originalValue = original[k];
|
||
// An object was decrypted by libmongocrypt if and only if it was
|
||
// a BSON Binary object with subtype 6.
|
||
if (originalValue && originalValue._bsontype === 'Binary' && originalValue.sub_type === 6) {
|
||
if (!decrypted[constants_2.kDecoratedKeys]) {
|
||
Object.defineProperty(decrypted, constants_2.kDecoratedKeys, {
|
||
value: [],
|
||
configurable: true,
|
||
enumerable: false,
|
||
writable: false
|
||
});
|
||
}
|
||
// this is defined in the preceding if-statement
|
||
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
|
||
decrypted[constants_2.kDecoratedKeys].push(k);
|
||
// Do not recurse into this decrypted value. It could be a sub-document/array,
|
||
// in which case there is no original value associated with its subfields.
|
||
continue;
|
||
}
|
||
decorateDecryptionResult(decrypted[k], originalValue, false);
|
||
}
|
||
}
|
||
//# sourceMappingURL=utils.js.map
|