knowledge/node_modules/minio/dist/esm/AssumeRoleProvider.mjs

import * as http from "http";
import * as https from "https";
import { URL, URLSearchParams } from "url";
import { CredentialProvider } from "./CredentialProvider.mjs";
import { Credentials } from "./Credentials.mjs";
import { makeDateLong, parseXml, toSha256 } from "./internal/helper.mjs";
import { request } from "./internal/request.mjs";
import { readAsString } from "./internal/response.mjs";
import { signV4ByServiceName } from "./signing.mjs";

/**
 * @see https://docs.aws.amazon.com/STS/latest/APIReference/API_AssumeRole.html
 */

const defaultExpirySeconds = 900;
export class AssumeRoleProvider extends CredentialProvider {
  accessExpiresAt = '';
  constructor({
    stsEndpoint,
    accessKey,
    secretKey,
    durationSeconds = defaultExpirySeconds,
    sessionToken,
    policy,
    region = '',
    roleArn,
    roleSessionName,
    externalId,
    token,
    webIdentityToken,
    action = 'AssumeRole',
    transportAgent = undefined
  }) {
    super({
      accessKey,
      secretKey,
      sessionToken
    });
    this.stsEndpoint = new URL(stsEndpoint);
    this.accessKey = accessKey;
    this.secretKey = secretKey;
    this.policy = policy;
    this.region = region;
    this.roleArn = roleArn;
    this.roleSessionName = roleSessionName;
    this.externalId = externalId;
    this.token = token;
    this.webIdentityToken = webIdentityToken;
    this.action = action;
    this.durationSeconds = parseInt(durationSeconds);
    let expirySeconds = this.durationSeconds;
    if (this.durationSeconds < defaultExpirySeconds) {
      expirySeconds = defaultExpirySeconds;
    }
    this.expirySeconds = expirySeconds; // for calculating refresh of credentials.

    // By default, nodejs uses a global agent if the 'agent' property
    // is set to undefined. Otherwise, it's okay to assume the users
    // know what they're doing if they specify a custom transport agent.
    this.transportAgent = transportAgent;
    const isHttp = this.stsEndpoint.protocol === 'http:';
    this.transport = isHttp ? http : https;

    /**
     * Internal Tracking variables
     */
    this._credentials = null;
  }
  getRequestConfig() {
    const hostValue = this.stsEndpoint.hostname;
    const portValue = this.stsEndpoint.port;
    const qryParams = new URLSearchParams({
      Action: this.action,
      Version: '2011-06-15'
    });
    qryParams.set('DurationSeconds', this.expirySeconds.toString());
    if (this.policy) {
      qryParams.set('Policy', this.policy);
    }
    if (this.roleArn) {
      qryParams.set('RoleArn', this.roleArn);
    }
    if (this.roleSessionName != null) {
      qryParams.set('RoleSessionName', this.roleSessionName);
    }
    if (this.token != null) {
      qryParams.set('Token', this.token);
    }
    if (this.webIdentityToken) {
      qryParams.set('WebIdentityToken', this.webIdentityToken);
    }
    if (this.externalId) {
      qryParams.set('ExternalId', this.externalId);
    }
    const urlParams = qryParams.toString();
    const contentSha256 = toSha256(urlParams);
    const date = new Date();
    const requestOptions = {
      hostname: hostValue,
      port: portValue,
      path: '/',
      protocol: this.stsEndpoint.protocol,
      method: 'POST',
      headers: {
        'Content-Type': 'application/x-www-form-urlencoded',
        'content-length': urlParams.length.toString(),
        host: hostValue,
        'x-amz-date': makeDateLong(date),
        'x-amz-content-sha256': contentSha256
      },
      agent: this.transportAgent
    };
    requestOptions.headers.authorization = signV4ByServiceName(requestOptions, this.accessKey, this.secretKey, this.region, date, contentSha256, 'sts');
    return {
      requestOptions,
      requestData: urlParams
    };
  }
  async performRequest() {
    const {
      requestOptions,
      requestData
    } = this.getRequestConfig();
    const res = await request(this.transport, requestOptions, requestData);
    const body = await readAsString(res);
    return parseXml(body);
  }
  parseCredentials(respObj) {
    if (respObj.ErrorResponse) {
      var _respObj$ErrorRespons, _respObj$ErrorRespons2, _respObj$ErrorRespons3, _respObj$ErrorRespons4;
      throw new Error(`Unable to obtain credentials: ${(_respObj$ErrorRespons = respObj.ErrorResponse) === null || _respObj$ErrorRespons === void 0 ? void 0 : (_respObj$ErrorRespons2 = _respObj$ErrorRespons.Error) === null || _respObj$ErrorRespons2 === void 0 ? void 0 : _respObj$ErrorRespons2.Code} ${(_respObj$ErrorRespons3 = respObj.ErrorResponse) === null || _respObj$ErrorRespons3 === void 0 ? void 0 : (_respObj$ErrorRespons4 = _respObj$ErrorRespons3.Error) === null || _respObj$ErrorRespons4 === void 0 ? void 0 : _respObj$ErrorRespons4.Message}`, {
        cause: respObj
      });
    }
    const {
      AssumeRoleResponse: {
        AssumeRoleResult: {
          Credentials: {
            AccessKeyId: accessKey,
            SecretAccessKey: secretKey,
            SessionToken: sessionToken,
            Expiration: expiresAt
          }
        }
      }
    } = respObj;
    this.accessExpiresAt = expiresAt;
    return new Credentials({
      accessKey,
      secretKey,
      sessionToken
    });
  }
  async refreshCredentials() {
    try {
      const assumeRoleCredentials = await this.performRequest();
      this._credentials = this.parseCredentials(assumeRoleCredentials);
    } catch (err) {
      throw new Error(`Failed to get Credentials: ${err}`, {
        cause: err
      });
    }
    return this._credentials;
  }
  async getCredentials() {
    if (this._credentials && !this.isAboutToExpire()) {
      return this._credentials;
    }
    this._credentials = await this.refreshCredentials();
    return this._credentials;
  }
  isAboutToExpire() {
    const expiresAt = new Date(this.accessExpiresAt);
    const provisionalExpiry = new Date(Date.now() + 1000 * 10); // check before 10 seconds.
    return provisionalExpiry > expiresAt;
  }
}

// deprecated default export, please use named exports.
// keep for backward compatibility.
// eslint-disable-next-line import/no-default-export
export default AssumeRoleProvider;
//# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"names":["http","https","URL","URLSearchParams","CredentialProvider","Credentials","makeDateLong","parseXml","toSha256","request","readAsString","signV4ByServiceName","defaultExpirySeconds","AssumeRoleProvider","accessExpiresAt","constructor","stsEndpoint","accessKey","secretKey","durationSeconds","sessionToken","policy","region","roleArn","roleSessionName","externalId","token","webIdentityToken","action","transportAgent","undefined","parseInt","expirySeconds","isHttp","protocol","transport","_credentials","getRequestConfig","hostValue","hostname","portValue","port","qryParams","Action","Version","set","toString","urlParams","contentSha256","date","Date","requestOptions","path","method","headers","length","host","agent","authorization","requestData","performRequest","res","body","parseCredentials","respObj","ErrorResponse","_respObj$ErrorRespons","_respObj$ErrorRespons2","_respObj$ErrorRespons3","_respObj$ErrorRespons4","Error","Code","Message","cause","AssumeRoleResponse","AssumeRoleResult","AccessKeyId","SecretAccessKey","SessionToken","Expiration","expiresAt","refreshCredentials","assumeRoleCredentials","err","getCredentials","isAboutToExpire","provisionalExpiry","now"],"sources":["AssumeRoleProvider.ts"],"sourcesContent":["import * as http from 'node:http'\nimport * as https from 'node:https'\nimport { URL, URLSearchParams } from 'node:url'\n\nimport { CredentialProvider } from './CredentialProvider.ts'\nimport { Credentials } from './Credentials.ts'\nimport { makeDateLong, parseXml, toSha256 } from './internal/helper.ts'\nimport { request } from './internal/request.ts'\nimport { readAsString } from './internal/response.ts'\nimport type { Transport } from './internal/type.ts'\nimport { signV4ByServiceName } from './signing.ts'\n\n/**\n * @see https://docs.aws.amazon.com/STS/latest/APIReference/API_AssumeRole.html\n */\ntype CredentialResponse = {\n  ErrorResponse?: {\n    Error?: {\n      Code?: string\n      Message?: string\n    }\n  }\n\n  AssumeRoleResponse: {\n    AssumeRoleResult: {\n      Credentials: {\n        AccessKeyId: string\n        SecretAccessKey: string\n        SessionToken: string\n        Expiration: string\n      }\n    }\n  }\n}\n\nexport interface AssumeRoleProviderOptions {\n  stsEndpoint: string\n  accessKey: string\n  secretKey: string\n  durationSeconds?: number\n  sessionToken?: string\n  policy?: string\n  region?: string\n  roleArn?: string\n  roleSessionName?: string\n  externalId?: string\n  token?: string\n  webIdentityToken?: string\n  action?: string\n  transportAgent?: http.Agent\n}\n\nconst defaultExpirySeconds = 900\n\nexport class AssumeRoleProvider extends CredentialProvider {\n  private readonly stsEndpoint: URL\n  private readonly accessKey: string\n  private readonly secretKey: string\n  private readonly durationSeconds: number\n  private readonly policy?: string\n  private readonly region: string\n  private readonly roleArn?: string\n  private readonly roleSessionName?: string\n  private readonly externalId?: string\n  private readonly token?: string\n  private readonly webIdentityToken?: string\n  private readonly action: string\n\n  private _credentials: Credentials | null\n  private readonly expirySeconds: number\n  private accessExpiresAt = ''\n  private readonly transportAgent?: http.Agent\n\n  private readonly transport: Transport\n\n  constructor({\n    stsEndpoint,\n    accessKey,\n    secretKey,\n    durationSeconds = defaultExpirySeconds,\n    sessionToken,\n    policy,\n    region = '',\n    roleArn,\n    roleSessionName,\n    externalId,\n    token,\n    webIdentityToken,\n    action = 'AssumeRole',\n    transportAgent = undefined,\n  }: AssumeRoleProviderOptions) {\n    super({ accessKey, secretKey, sessionToken })\n\n    this.stsEndpoint = new URL(stsEndpoint)\n    this.accessKey = accessKey\n    this.secretKey = secretKey\n    this.policy = policy\n    this.region = region\n    this.roleArn = roleArn\n    this.roleSessionName = roleSessionName\n    this.externalId = externalId\n    this.token = token\n    this.webIdentityToken = webIdentityToken\n    this.action = action\n\n    this.durationSeconds = parseInt(durationSeconds as unknown as string)\n\n    let expirySeconds = this.durationSeconds\n    if (this.durationSeconds < defaultExpirySeconds) {\n      expirySeconds = defaultExpirySeconds\n    }\n    this.expirySeconds = expirySeconds // for calculating refresh of credentials.\n\n    // By default, nodejs uses a global agent if the 'agent' property\n    // is set to undefined. Otherwise, it's okay to assume the users\n    // know what they're doing if they specify a custom transport agent.\n    this.transportAgent = transportAgent\n    const isHttp: boolean = this.stsEndpoint.protocol === 'http:'\n    this.transport = isHttp ? http : https\n\n    /**\n     * Internal Tracking variables\n     */\n    this._credentials = null\n  }\n\n  getRequestConfig(): {\n    requestOptions: http.RequestOptions\n    requestData: string\n  } {\n    const hostValue = this.stsEndpoint.hostname\n    const portValue = this.stsEndpoint.port\n    const qryParams = new URLSearchParams({ Action: this.action, Version: '2011-06-15' })\n\n    qryParams.set('DurationSeconds', this.expirySeconds.toString())\n\n    if (this.policy) {\n      qryParams.set('Policy', this.policy)\n    }\n    if (this.roleArn) {\n      qryParams.set('RoleArn', this.roleArn)\n    }\n\n    if (this.roleSessionName != null) {\n      qryParams.set('RoleSessionName', this.roleSessionName)\n    }\n    if (this.token != null) {\n      qryParams.set('Token', this.token)\n    }\n\n    if (this.webIdentityToken) {\n      qryParams.set('WebIdentityToken', this.webIdentityToken)\n    }\n\n    if (this.externalId) {\n      qryParams.set('ExternalId', this.externalId)\n    }\n\n    const urlParams = qryParams.toString()\n    const contentSha256 = toSha256(urlParams)\n\n    const date = new Date()\n\n    const requestOptions = {\n      hostname: hostValue,\n      port: portValue,\n      path: '/',\n      protocol: this.stsEndpoint.protocol,\n      method: 'POST',\n      headers: {\n        'Content-Type': 'application/x-www-form-urlencoded',\n        'content-length': urlParams.length.toString(),\n        host: hostValue,\n        'x-amz-date': makeDateLong(date),\n        'x-amz-content-sha256': contentSha256,\n      } as Record<string, string>,\n      agent: this.transportAgent,\n    } satisfies http.RequestOptions\n\n    requestOptions.headers.authorization = signV4ByServiceName(\n      requestOptions,\n      this.accessKey,\n      this.secretKey,\n      this.region,\n      date,\n      contentSha256,\n      'sts',\n    )\n\n    return {\n      requestOptions,\n      requestData: urlParams,\n    }\n  }\n\n  async performRequest(): Promise<CredentialResponse> {\n    const { requestOptions, requestData } = this.getRequestConfig()\n\n    const res = await request(this.transport, requestOptions, requestData)\n\n    const body = await readAsString(res)\n\n    return parseXml(body)\n  }\n\n  parseCredentials(respObj: CredentialResponse): Credentials {\n    if (respObj.ErrorResponse) {\n      throw new Error(\n        `Unable to obtain credentials: ${respObj.ErrorResponse?.Error?.Code} ${respObj.ErrorResponse?.Error?.Message}`,\n        { cause: respObj },\n      )\n    }\n\n    const {\n      AssumeRoleResponse: {\n        AssumeRoleResult: {\n          Credentials: {\n            AccessKeyId: accessKey,\n            SecretAccessKey: secretKey,\n            SessionToken: sessionToken,\n            Expiration: expiresAt,\n          },\n        },\n      },\n    } = respObj\n\n    this.accessExpiresAt = expiresAt\n\n    return new Credentials({ accessKey, secretKey, sessionToken })\n  }\n\n  async refreshCredentials(): Promise<Credentials> {\n    try {\n      const assumeRoleCredentials = await this.performRequest()\n      this._credentials = this.parseCredentials(assumeRoleCredentials)\n    } catch (err) {\n      throw new Error(`Failed to get Credentials: ${err}`, { cause: err })\n    }\n\n    return this._credentials\n  }\n\n  async getCredentials(): Promise<Credentials> {\n    if (this._credentials && !this.isAboutToExpire()) {\n      return this._credentials\n    }\n\n    this._credentials = await this.refreshCredentials()\n    return this._credentials\n  }\n\n  isAboutToExpire() {\n    const expiresAt = new Date(this.accessExpiresAt)\n    const provisionalExpiry = new Date(Date.now() + 1000 * 10) // check before 10 seconds.\n    return provisionalExpiry > expiresAt\n  }\n}\n\n// deprecated default export, please use named exports.\n// keep for backward compatibility.\n// eslint-disable-next-line import/no-default-export\nexport default 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