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svrjs-blog-newsletter/cronjob/node_modules/mongodb/lib/cmap/auth/mongo_credentials.js

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2024-05-26 22:54:55 +02:00
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.MongoCredentials = void 0;
const error_1 = require("../../error");
const utils_1 = require("../../utils");
const gssapi_1 = require("./gssapi");
const providers_1 = require("./providers");
// https://github.com/mongodb/specifications/blob/master/source/auth/auth.rst
function getDefaultAuthMechanism(hello) {
if (hello) {
// If hello contains saslSupportedMechs, use scram-sha-256
// if it is available, else scram-sha-1
if (Array.isArray(hello.saslSupportedMechs)) {
return hello.saslSupportedMechs.includes(providers_1.AuthMechanism.MONGODB_SCRAM_SHA256)
? providers_1.AuthMechanism.MONGODB_SCRAM_SHA256
: providers_1.AuthMechanism.MONGODB_SCRAM_SHA1;
}
// Fallback to legacy selection method. If wire version >= 3, use scram-sha-1
if (hello.maxWireVersion >= 3) {
return providers_1.AuthMechanism.MONGODB_SCRAM_SHA1;
}
}
// Default for wireprotocol < 3
return providers_1.AuthMechanism.MONGODB_CR;
}
/**
* A representation of the credentials used by MongoDB
* @public
*/
class MongoCredentials {
constructor(options) {
this.username = options.username;
this.password = options.password;
this.source = options.source;
if (!this.source && options.db) {
this.source = options.db;
}
this.mechanism = options.mechanism || providers_1.AuthMechanism.MONGODB_DEFAULT;
this.mechanismProperties = options.mechanismProperties || {};
if (this.mechanism.match(/MONGODB-AWS/i)) {
if (!this.username && process.env.AWS_ACCESS_KEY_ID) {
this.username = process.env.AWS_ACCESS_KEY_ID;
}
if (!this.password && process.env.AWS_SECRET_ACCESS_KEY) {
this.password = process.env.AWS_SECRET_ACCESS_KEY;
}
if (this.mechanismProperties.AWS_SESSION_TOKEN == null &&
process.env.AWS_SESSION_TOKEN != null) {
this.mechanismProperties = {
...this.mechanismProperties,
AWS_SESSION_TOKEN: process.env.AWS_SESSION_TOKEN
};
}
}
if ('gssapiCanonicalizeHostName' in this.mechanismProperties) {
(0, utils_1.emitWarningOnce)('gssapiCanonicalizeHostName is deprecated. Please use CANONICALIZE_HOST_NAME instead.');
this.mechanismProperties.CANONICALIZE_HOST_NAME =
this.mechanismProperties.gssapiCanonicalizeHostName;
}
Object.freeze(this.mechanismProperties);
Object.freeze(this);
}
/** Determines if two MongoCredentials objects are equivalent */
equals(other) {
return (this.mechanism === other.mechanism &&
this.username === other.username &&
this.password === other.password &&
this.source === other.source);
}
/**
* If the authentication mechanism is set to "default", resolves the authMechanism
* based on the server version and server supported sasl mechanisms.
*
* @param hello - A hello response from the server
*/
resolveAuthMechanism(hello) {
// If the mechanism is not "default", then it does not need to be resolved
if (this.mechanism.match(/DEFAULT/i)) {
return new MongoCredentials({
username: this.username,
password: this.password,
source: this.source,
mechanism: getDefaultAuthMechanism(hello),
mechanismProperties: this.mechanismProperties
});
}
return this;
}
validate() {
var _a;
if ((this.mechanism === providers_1.AuthMechanism.MONGODB_GSSAPI ||
this.mechanism === providers_1.AuthMechanism.MONGODB_CR ||
this.mechanism === providers_1.AuthMechanism.MONGODB_PLAIN ||
this.mechanism === providers_1.AuthMechanism.MONGODB_SCRAM_SHA1 ||
this.mechanism === providers_1.AuthMechanism.MONGODB_SCRAM_SHA256) &&
!this.username) {
throw new error_1.MongoMissingCredentialsError(`Username required for mechanism '${this.mechanism}'`);
}
if (providers_1.AUTH_MECHS_AUTH_SRC_EXTERNAL.has(this.mechanism)) {
if (this.source != null && this.source !== '$external') {
// TODO(NODE-3485): Replace this with a MongoAuthValidationError
throw new error_1.MongoAPIError(`Invalid source '${this.source}' for mechanism '${this.mechanism}' specified.`);
}
}
if (this.mechanism === providers_1.AuthMechanism.MONGODB_PLAIN && this.source == null) {
// TODO(NODE-3485): Replace this with a MongoAuthValidationError
throw new error_1.MongoAPIError('PLAIN Authentication Mechanism needs an auth source');
}
if (this.mechanism === providers_1.AuthMechanism.MONGODB_X509 && this.password != null) {
if (this.password === '') {
Reflect.set(this, 'password', undefined);
return;
}
// TODO(NODE-3485): Replace this with a MongoAuthValidationError
throw new error_1.MongoAPIError(`Password not allowed for mechanism MONGODB-X509`);
}
const canonicalization = (_a = this.mechanismProperties.CANONICALIZE_HOST_NAME) !== null && _a !== void 0 ? _a : false;
if (!Object.values(gssapi_1.GSSAPICanonicalizationValue).includes(canonicalization)) {
throw new error_1.MongoAPIError(`Invalid CANONICALIZE_HOST_NAME value: ${canonicalization}`);
}
}
static merge(creds, options) {
var _a, _b, _c, _d, _e, _f, _g, _h, _j, _k, _l;
return new MongoCredentials({
username: (_b = (_a = options.username) !== null && _a !== void 0 ? _a : creds === null || creds === void 0 ? void 0 : creds.username) !== null && _b !== void 0 ? _b : '',
password: (_d = (_c = options.password) !== null && _c !== void 0 ? _c : creds === null || creds === void 0 ? void 0 : creds.password) !== null && _d !== void 0 ? _d : '',
mechanism: (_f = (_e = options.mechanism) !== null && _e !== void 0 ? _e : creds === null || creds === void 0 ? void 0 : creds.mechanism) !== null && _f !== void 0 ? _f : providers_1.AuthMechanism.MONGODB_DEFAULT,
mechanismProperties: (_h = (_g = options.mechanismProperties) !== null && _g !== void 0 ? _g : creds === null || creds === void 0 ? void 0 : creds.mechanismProperties) !== null && _h !== void 0 ? _h : {},
source: (_l = (_k = (_j = options.source) !== null && _j !== void 0 ? _j : options.db) !== null && _k !== void 0 ? _k : creds === null || creds === void 0 ? void 0 : creds.source) !== null && _l !== void 0 ? _l : 'admin'
});
}
}
exports.MongoCredentials = MongoCredentials;
//# sourceMappingURL=mongo_credentials.js.map