mirror of
https://github.com/tvytlx/ai-agent-deep-dive.git
synced 2026-04-04 16:14:50 +08:00
191 lines
9.0 KiB
JavaScript
191 lines
9.0 KiB
JavaScript
// Copyright (c) Microsoft Corporation.
|
|
// Licensed under the MIT License.
|
|
import { checkTenantId, processMultiTenantRequest, resolveAdditionallyAllowedTenantIds, } from "../util/tenantIdUtils.js";
|
|
import { credentialLogger, formatError, formatSuccess } from "../util/logging.js";
|
|
import { ensureValidScopeForDevTimeCreds, getScopeResource } from "../util/scopeUtils.js";
|
|
import { CredentialUnavailableError } from "../errors.js";
|
|
import child_process from "child_process";
|
|
import { tracingClient } from "../util/tracing.js";
|
|
import { checkSubscription } from "../util/subscriptionUtils.js";
|
|
const logger = credentialLogger("AzureCliCredential");
|
|
/**
|
|
* Mockable reference to the CLI credential cliCredentialFunctions
|
|
* @internal
|
|
*/
|
|
export const cliCredentialInternals = {
|
|
/**
|
|
* @internal
|
|
*/
|
|
getSafeWorkingDir() {
|
|
if (process.platform === "win32") {
|
|
let systemRoot = process.env.SystemRoot || process.env["SYSTEMROOT"];
|
|
if (!systemRoot) {
|
|
logger.getToken.warning("The SystemRoot environment variable is not set. This may cause issues when using the Azure CLI credential.");
|
|
systemRoot = "C:\\Windows";
|
|
}
|
|
return systemRoot;
|
|
}
|
|
else {
|
|
return "/bin";
|
|
}
|
|
},
|
|
/**
|
|
* Gets the access token from Azure CLI
|
|
* @param resource - The resource to use when getting the token
|
|
* @internal
|
|
*/
|
|
async getAzureCliAccessToken(resource, tenantId, subscription, timeout) {
|
|
let tenantSection = [];
|
|
let subscriptionSection = [];
|
|
if (tenantId) {
|
|
tenantSection = ["--tenant", tenantId];
|
|
}
|
|
if (subscription) {
|
|
// Add quotes around the subscription to handle subscriptions with spaces
|
|
subscriptionSection = ["--subscription", `"${subscription}"`];
|
|
}
|
|
return new Promise((resolve, reject) => {
|
|
try {
|
|
child_process.execFile("az", [
|
|
"account",
|
|
"get-access-token",
|
|
"--output",
|
|
"json",
|
|
"--resource",
|
|
resource,
|
|
...tenantSection,
|
|
...subscriptionSection,
|
|
], { cwd: cliCredentialInternals.getSafeWorkingDir(), shell: true, timeout }, (error, stdout, stderr) => {
|
|
resolve({ stdout: stdout, stderr: stderr, error });
|
|
});
|
|
}
|
|
catch (err) {
|
|
reject(err);
|
|
}
|
|
});
|
|
},
|
|
};
|
|
/**
|
|
* This credential will use the currently logged-in user login information
|
|
* via the Azure CLI ('az') commandline tool.
|
|
* To do so, it will read the user access token and expire time
|
|
* with Azure CLI command "az account get-access-token".
|
|
*/
|
|
export class AzureCliCredential {
|
|
/**
|
|
* Creates an instance of the {@link AzureCliCredential}.
|
|
*
|
|
* To use this credential, ensure that you have already logged
|
|
* in via the 'az' tool using the command "az login" from the commandline.
|
|
*
|
|
* @param options - Options, to optionally allow multi-tenant requests.
|
|
*/
|
|
constructor(options) {
|
|
if (options === null || options === void 0 ? void 0 : options.tenantId) {
|
|
checkTenantId(logger, options === null || options === void 0 ? void 0 : options.tenantId);
|
|
this.tenantId = options === null || options === void 0 ? void 0 : options.tenantId;
|
|
}
|
|
if (options === null || options === void 0 ? void 0 : options.subscription) {
|
|
checkSubscription(logger, options === null || options === void 0 ? void 0 : options.subscription);
|
|
this.subscription = options === null || options === void 0 ? void 0 : options.subscription;
|
|
}
|
|
this.additionallyAllowedTenantIds = resolveAdditionallyAllowedTenantIds(options === null || options === void 0 ? void 0 : options.additionallyAllowedTenants);
|
|
this.timeout = options === null || options === void 0 ? void 0 : options.processTimeoutInMs;
|
|
}
|
|
/**
|
|
* Authenticates with Microsoft Entra ID and returns an access token if successful.
|
|
* If authentication fails, a {@link CredentialUnavailableError} will be thrown with the details of the failure.
|
|
*
|
|
* @param scopes - The list of scopes for which the token will have access.
|
|
* @param options - The options used to configure any requests this
|
|
* TokenCredential implementation might make.
|
|
*/
|
|
async getToken(scopes, options = {}) {
|
|
const tenantId = processMultiTenantRequest(this.tenantId, options, this.additionallyAllowedTenantIds);
|
|
if (tenantId) {
|
|
checkTenantId(logger, tenantId);
|
|
}
|
|
if (this.subscription) {
|
|
checkSubscription(logger, this.subscription);
|
|
}
|
|
const scope = typeof scopes === "string" ? scopes : scopes[0];
|
|
logger.getToken.info(`Using the scope ${scope}`);
|
|
return tracingClient.withSpan(`${this.constructor.name}.getToken`, options, async () => {
|
|
var _a, _b, _c, _d;
|
|
try {
|
|
ensureValidScopeForDevTimeCreds(scope, logger);
|
|
const resource = getScopeResource(scope);
|
|
const obj = await cliCredentialInternals.getAzureCliAccessToken(resource, tenantId, this.subscription, this.timeout);
|
|
const specificScope = (_a = obj.stderr) === null || _a === void 0 ? void 0 : _a.match("(.*)az login --scope(.*)");
|
|
const isLoginError = ((_b = obj.stderr) === null || _b === void 0 ? void 0 : _b.match("(.*)az login(.*)")) && !specificScope;
|
|
const isNotInstallError = ((_c = obj.stderr) === null || _c === void 0 ? void 0 : _c.match("az:(.*)not found")) || ((_d = obj.stderr) === null || _d === void 0 ? void 0 : _d.startsWith("'az' is not recognized"));
|
|
if (isNotInstallError) {
|
|
const error = new CredentialUnavailableError("Azure CLI could not be found. Please visit https://aka.ms/azure-cli for installation instructions and then, once installed, authenticate to your Azure account using 'az login'.");
|
|
logger.getToken.info(formatError(scopes, error));
|
|
throw error;
|
|
}
|
|
if (isLoginError) {
|
|
const error = new CredentialUnavailableError("Please run 'az login' from a command prompt to authenticate before using this credential.");
|
|
logger.getToken.info(formatError(scopes, error));
|
|
throw error;
|
|
}
|
|
try {
|
|
const responseData = obj.stdout;
|
|
const response = this.parseRawResponse(responseData);
|
|
logger.getToken.info(formatSuccess(scopes));
|
|
return response;
|
|
}
|
|
catch (e) {
|
|
if (obj.stderr) {
|
|
throw new CredentialUnavailableError(obj.stderr);
|
|
}
|
|
throw e;
|
|
}
|
|
}
|
|
catch (err) {
|
|
const error = err.name === "CredentialUnavailableError"
|
|
? err
|
|
: new CredentialUnavailableError(err.message || "Unknown error while trying to retrieve the access token");
|
|
logger.getToken.info(formatError(scopes, error));
|
|
throw error;
|
|
}
|
|
});
|
|
}
|
|
/**
|
|
* Parses the raw JSON response from the Azure CLI into a usable AccessToken object
|
|
*
|
|
* @param rawResponse - The raw JSON response from the Azure CLI
|
|
* @returns An access token with the expiry time parsed from the raw response
|
|
*
|
|
* The expiryTime of the credential's access token, in milliseconds, is calculated as follows:
|
|
*
|
|
* When available, expires_on (introduced in Azure CLI v2.54.0) will be preferred. Otherwise falls back to expiresOn.
|
|
*/
|
|
parseRawResponse(rawResponse) {
|
|
const response = JSON.parse(rawResponse);
|
|
const token = response.accessToken;
|
|
// if available, expires_on will be a number representing seconds since epoch.
|
|
// ensure it's a number or NaN
|
|
let expiresOnTimestamp = Number.parseInt(response.expires_on, 10) * 1000;
|
|
if (!isNaN(expiresOnTimestamp)) {
|
|
logger.getToken.info("expires_on is available and is valid, using it");
|
|
return {
|
|
token,
|
|
expiresOnTimestamp,
|
|
tokenType: "Bearer",
|
|
};
|
|
}
|
|
// fallback to the older expiresOn - an RFC3339 date string
|
|
expiresOnTimestamp = new Date(response.expiresOn).getTime();
|
|
// ensure expiresOn is well-formatted
|
|
if (isNaN(expiresOnTimestamp)) {
|
|
throw new CredentialUnavailableError(`Unexpected response from Azure CLI when getting token. Expected "expiresOn" to be a RFC3339 date string. Got: "${response.expiresOn}"`);
|
|
}
|
|
return {
|
|
token,
|
|
expiresOnTimestamp,
|
|
tokenType: "Bearer",
|
|
};
|
|
}
|
|
}
|
|
//# sourceMappingURL=azureCliCredential.js.map
|