FM / auth

/var/www/greso.tech/server/nsm/node_modules/google-auth-library/build/src/auth/

/var/www/greso.tech/server/nsm/node_modules/google-auth-library/build/src/auth

Name	Size	Mode	Actions
authclient.d.ts	4204	0644	edit dl rm
authclient.js	2144	0644	edit dl rm
awsclient.d.ts	4441	0644	edit dl rm
awsclient.js	12190	0644	edit dl rm
awsrequestsigner.d.ts	1626	0644	edit dl rm
awsrequestsigner.js	9296	0644	edit dl rm
baseexternalclient.d.ts	9301	0644	edit dl rm
baseexternalclient.js	18085	0644	edit dl rm
computeclient.d.ts	1345	0644	edit dl rm
computeclient.js	4442	0644	edit dl rm
credentials.d.ts	2276	0644	edit dl rm
credentials.js	704	0644	edit dl rm
downscopedclient.d.ts	6540	0644	edit dl rm
downscopedclient.js	13166	0644	edit dl rm
envDetect.d.ts	324	0644	edit dl rm
envDetect.js	2667	0644	edit dl rm
executable-response.d.ts	4489	0644	edit dl rm
executable-response.js	6714	0644	edit dl rm
externalAccountAuthorizedUserClient.d.ts	3426	0644	edit dl rm
externalAccountAuthorizedUserClient.js	10155	0644	edit dl rm
externalclient.d.ts	1356	0644	edit dl rm
externalclient.js	2979	0644	edit dl rm
googleauth.d.ts	11626	0644	edit dl rm
googleauth.js	28883	0644	edit dl rm
iam.d.ts	623	0644	edit dl rm
iam.js	1348	0644	edit dl rm
identitypoolclient.d.ts	3692	0644	edit dl rm
identitypoolclient.js	7567	0644	edit dl rm
idtokenclient.d.ts	896	0644	edit dl rm
idtokenclient.js	2088	0644	edit dl rm
impersonated.d.ts	4769	0644	edit dl rm
impersonated.js	6875	0644	edit dl rm
jwtaccess.d.ts	2409	0644	edit dl rm
jwtaccess.js	6987	0644	edit dl rm
jwtclient.d.ts	3833	0644	edit dl rm
jwtclient.js	10050	0644	edit dl rm
loginticket.d.ts	5367	0644	edit dl rm
loginticket.js	1768	0644	edit dl rm
oauth2client.d.ts	22521	0644	edit dl rm
oauth2client.js	31312	0644	edit dl rm
oauth2common.d.ts	3377	0644	edit dl rm
oauth2common.js	7734	0644	edit dl rm
pluggable-auth-client.d.ts	5983	0644	edit dl rm
pluggable-auth-client.js	9926	0644	edit dl rm
pluggable-auth-handler.d.ts	1842	0644	edit dl rm
pluggable-auth-handler.js	6824	0644	edit dl rm
refreshclient.d.ts	1743	0644	edit dl rm
refreshclient.js	4231	0644	edit dl rm
stscredentials.d.ts	4636	0644	edit dl rm
stscredentials.js	4886	0644	edit dl rm

Edit: /var/www/greso.tech/server/nsm/node_modules/google-auth-library/build/src/auth/downscopedclient.js (13166B)

"use strict";
// Copyright 2021 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
Object.defineProperty(exports, "__esModule", { value: true });
exports.DownscopedClient = exports.EXPIRATION_TIME_OFFSET = exports.MAX_ACCESS_BOUNDARY_RULES_COUNT = void 0;
const stream = require("stream");
const authclient_1 = require("./authclient");
const sts = require("./stscredentials");
/**
 * The required token exchange grant_type: rfc8693#section-2.1
 */
const STS_GRANT_TYPE = 'urn:ietf:params:oauth:grant-type:token-exchange';
/**
 * The requested token exchange requested_token_type: rfc8693#section-2.1
 */
const STS_REQUEST_TOKEN_TYPE = 'urn:ietf:params:oauth:token-type:access_token';
/**
 * The requested token exchange subject_token_type: rfc8693#section-2.1
 */
const STS_SUBJECT_TOKEN_TYPE = 'urn:ietf:params:oauth:token-type:access_token';
/** The STS access token exchange end point. */
const STS_ACCESS_TOKEN_URL = 'https://sts.googleapis.com/v1/token';
/**
 * The maximum number of access boundary rules a Credential Access Boundary
 * can contain.
 */
exports.MAX_ACCESS_BOUNDARY_RULES_COUNT = 10;
/**
 * Offset to take into account network delays and server clock skews.
 */
exports.EXPIRATION_TIME_OFFSET = 5 * 60 * 1000;
/**
 * Defines a set of Google credentials that are downscoped from an existing set
 * of Google OAuth2 credentials. This is useful to restrict the Identity and
 * Access Management (IAM) permissions that a short-lived credential can use.
 * The common pattern of usage is to have a token broker with elevated access
 * generate these downscoped credentials from higher access source credentials
 * and pass the downscoped short-lived access tokens to a token consumer via
 * some secure authenticated channel for limited access to Google Cloud Storage
 * resources.
 */
class DownscopedClient extends authclient_1.AuthClient {
    /**
     * Instantiates a downscoped client object using the provided source
     * AuthClient and credential access boundary rules.
     * To downscope permissions of a source AuthClient, a Credential Access
     * Boundary that specifies which resources the new credential can access, as
     * well as an upper bound on the permissions that are available on each
     * resource, has to be defined. A downscoped client can then be instantiated
     * using the source AuthClient and the Credential Access Boundary.
     * @param authClient The source AuthClient to be downscoped based on the
     *   provided Credential Access Boundary rules.
     * @param credentialAccessBoundary The Credential Access Boundary which
     *   contains a list of access boundary rules. Each rule contains information
     *   on the resource that the rule applies to, the upper bound of the
     *   permissions that are available on that resource and an optional
     *   condition to further restrict permissions.
     * @param additionalOptions Optional additional behavior customization
     *   options. These currently customize expiration threshold time and
     *   whether to retry on 401/403 API request errors.
     * @param quotaProjectId Optional quota project id for setting up in the
     *   x-goog-user-project header.
     */
    constructor(authClient, credentialAccessBoundary, additionalOptions, quotaProjectId) {
        super();
        this.authClient = authClient;
        this.credentialAccessBoundary = credentialAccessBoundary;
        // Check 1-10 Access Boundary Rules are defined within Credential Access
        // Boundary.
        if (credentialAccessBoundary.accessBoundary.accessBoundaryRules.length === 0) {
            throw new Error('At least one access boundary rule needs to be defined.');
        }
        else if (credentialAccessBoundary.accessBoundary.accessBoundaryRules.length >
            exports.MAX_ACCESS_BOUNDARY_RULES_COUNT) {
            throw new Error('The provided access boundary has more than ' +
                `${exports.MAX_ACCESS_BOUNDARY_RULES_COUNT} access boundary rules.`);
        }
        // Check at least one permission should be defined in each Access Boundary
        // Rule.
        for (const rule of credentialAccessBoundary.accessBoundary
            .accessBoundaryRules) {
            if (rule.availablePermissions.length === 0) {
                throw new Error('At least one permission should be defined in access boundary rules.');
            }
        }
        this.stsCredential = new sts.StsCredentials(STS_ACCESS_TOKEN_URL);
        this.cachedDownscopedAccessToken = null;
        // As threshold could be zero,
        // eagerRefreshThresholdMillis || EXPIRATION_TIME_OFFSET will override the
        // zero value.
        if (typeof (additionalOptions === null || additionalOptions === void 0 ? void 0 : additionalOptions.eagerRefreshThresholdMillis) !== 'number') {
            this.eagerRefreshThresholdMillis = exports.EXPIRATION_TIME_OFFSET;
        }
        else {
            this.eagerRefreshThresholdMillis = additionalOptions
                .eagerRefreshThresholdMillis;
        }
        this.forceRefreshOnFailure = !!(additionalOptions === null || additionalOptions === void 0 ? void 0 : additionalOptions.forceRefreshOnFailure);
        this.quotaProjectId = quotaProjectId;
    }
    /**
     * Provides a mechanism to inject Downscoped access tokens directly.
     * The expiry_date field is required to facilitate determination of the token
     * expiration which would make it easier for the token consumer to handle.
     * @param credentials The Credentials object to set on the current client.
     */
    setCredentials(credentials) {
        if (!credentials.expiry_date) {
            throw new Error('The access token expiry_date field is missing in the provided ' +
                'credentials.');
        }
        super.setCredentials(credentials);
        this.cachedDownscopedAccessToken = credentials;
    }
    async getAccessToken() {
        // If the cached access token is unavailable or expired, force refresh.
        // The Downscoped access token will be returned in
        // DownscopedAccessTokenResponse format.
        if (!this.cachedDownscopedAccessToken ||
            this.isExpired(this.cachedDownscopedAccessToken)) {
            await this.refreshAccessTokenAsync();
        }
        // Return Downscoped access token in DownscopedAccessTokenResponse format.
        return {
            token: this.cachedDownscopedAccessToken.access_token,
            expirationTime: this.cachedDownscopedAccessToken.expiry_date,
            res: this.cachedDownscopedAccessToken.res,
        };
    }
    /**
     * The main authentication interface. It takes an optional url which when
     * present is the endpoint being accessed, and returns a Promise which
     * resolves with authorization header fields.
     *
     * The result has the form:
     * { Authorization: 'Bearer <access_token_value>' }
     */
    async getRequestHeaders() {
        const accessTokenResponse = await this.getAccessToken();
        const headers = {
            Authorization: `Bearer ${accessTokenResponse.token}`,
        };
        return this.addSharedMetadataHeaders(headers);
    }
    request(opts, callback) {
        if (callback) {
            this.requestAsync(opts).then(r => callback(null, r), e => {
                return callback(e, e.response);
            });
        }
        else {
            return this.requestAsync(opts);
        }
    }
    /**
     * Authenticates the provided HTTP request, processes it and resolves with the
     * returned response.
     * @param opts The HTTP request options.
     * @param retry Whether the current attempt is a retry after a failed attempt.
     * @return A promise that resolves with the successful response.
     */
    async requestAsync(opts, retry = false) {
        let response;
        try {
            const requestHeaders = await this.getRequestHeaders();
            opts.headers = opts.headers || {};
            if (requestHeaders && requestHeaders['x-goog-user-project']) {
                opts.headers['x-goog-user-project'] =
                    requestHeaders['x-goog-user-project'];
            }
            if (requestHeaders && requestHeaders.Authorization) {
                opts.headers.Authorization = requestHeaders.Authorization;
            }
            response = await this.transporter.request(opts);
        }
        catch (e) {
            const res = e.response;
            if (res) {
                const statusCode = res.status;
                // Retry the request for metadata if the following criteria are true:
                // - We haven't already retried.  It only makes sense to retry once.
                // - The response was a 401 or a 403
                // - The request didn't send a readableStream
                // - forceRefreshOnFailure is true
                const isReadableStream = res.config.data instanceof stream.Readable;
                const isAuthErr = statusCode === 401 || statusCode === 403;
                if (!retry &&
                    isAuthErr &&
                    !isReadableStream &&
                    this.forceRefreshOnFailure) {
                    await this.refreshAccessTokenAsync();
                    return await this.requestAsync(opts, true);
                }
            }
            throw e;
        }
        return response;
    }
    /**
     * Forces token refresh, even if unexpired tokens are currently cached.
     * GCP access tokens are retrieved from authclient object/source credential.
     * Then GCP access tokens are exchanged for downscoped access tokens via the
     * token exchange endpoint.
     * @return A promise that resolves with the fresh downscoped access token.
     */
    async refreshAccessTokenAsync() {
        var _a;
        // Retrieve GCP access token from source credential.
        const subjectToken = (await this.authClient.getAccessToken()).token;
        // Construct the STS credentials options.
        const stsCredentialsOptions = {
            grantType: STS_GRANT_TYPE,
            requestedTokenType: STS_REQUEST_TOKEN_TYPE,
            subjectToken: subjectToken,
            subjectTokenType: STS_SUBJECT_TOKEN_TYPE,
        };
        // Exchange the source AuthClient access token for a Downscoped access
        // token.
        const stsResponse = await this.stsCredential.exchangeToken(stsCredentialsOptions, undefined, this.credentialAccessBoundary);
        /**
         * The STS endpoint will only return the expiration time for the downscoped
         * access token if the original access token represents a service account.
         * The downscoped token's expiration time will always match the source
         * credential expiration. When no expires_in is returned, we can copy the
         * source credential's expiration time.
         */
        const sourceCredExpireDate = ((_a = this.authClient.credentials) === null || _a === void 0 ? void 0 : _a.expiry_date) || null;
        const expiryDate = stsResponse.expires_in
            ? new Date().getTime() + stsResponse.expires_in * 1000
            : sourceCredExpireDate;
        // Save response in cached access token.
        this.cachedDownscopedAccessToken = {
            access_token: stsResponse.access_token,
            expiry_date: expiryDate,
            res: stsResponse.res,
        };
        // Save credentials.
        this.credentials = {};
        Object.assign(this.credentials, this.cachedDownscopedAccessToken);
        delete this.credentials.res;
        // Trigger tokens event to notify external listeners.
        this.emit('tokens', {
            refresh_token: null,
            expiry_date: this.cachedDownscopedAccessToken.expiry_date,
            access_token: this.cachedDownscopedAccessToken.access_token,
            token_type: 'Bearer',
            id_token: null,
        });
        // Return the cached access token.
        return this.cachedDownscopedAccessToken;
    }
    /**
     * Returns whether the provided credentials are expired or not.
     * If there is no expiry time, assumes the token is not expired or expiring.
     * @param downscopedAccessToken The credentials to check for expiration.
     * @return Whether the credentials are expired or not.
     */
    isExpired(downscopedAccessToken) {
        const now = new Date().getTime();
        return downscopedAccessToken.expiry_date
            ? now >=
                downscopedAccessToken.expiry_date - this.eagerRefreshThresholdMillis
            : false;
    }
}
exports.DownscopedClient = DownscopedClient;
//# sourceMappingURL=downscopedclient.js.map

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