Merge branch 'v1.3-dev'

[websub-hub] / src / authenticator.js

diff --git a/src/authenticator.js b/src/authenticator.js
deleted file mode 100644 (file)
index ed4fc40..0000000
--- a/src/authenticator.js
+++ /dev/null
@@ -1,113 +0,0 @@
-'use strict';
-
-const argon2 = require('argon2');
-const common = require('./common');
-const Enum = require('./enum');
-const Errors = require('./errors');
-
-const _fileScope = common.fileScope(__filename);
-
-class Authenticator {
-  constructor(logger, db, options) {
-    this.logger = logger;
-    this.db = db;
-    this.basicRealm = options.authenticator.basicRealm;
-    this.secureAuthOnly = options.authenticator.secureAuthOnly;
-  }
-
-
-  /**
-   * Check for valid Basic auth, updates ctx with identifier if valid.
-   * @param {String} credentials
-   * @param {Object} ctx
-   * @returns {Boolean}
-   */
-  async isValidBasic(credentials, ctx) {
-    const _scope = _fileScope('isValidBasic');
-    this.logger.debug(_scope, 'called', { ctx });
-
-    const [identifier, credential] = common.splitFirst(credentials, ':', '');
-
-    let valid = false;
-    await this.db.context(async (dbCtx) => {
-      const authData = await this.db.authenticationGet(dbCtx, identifier);
-      if (!authData) {
-        this.logger.debug(_scope, 'failed, invalid authentication id', { ctx });
-        return false;
-      }
-
-      if (authData.credential.startsWith('$argon2')) {
-        valid = await argon2.verify(authData.credential, credential);
-      } else {
-        this.logger.error(_scope, 'failed, unknown type of stored password hash', { ctx });
-      }
-      if (valid) {
-        ctx.authenticationId = identifier;
-        await this.db.authenticationSuccess(dbCtx, identifier);
-      }
-    });
-
-    return valid;
-  }
-
-
-  /**
-   * Determine which Authorization header is available, and if it is valid.
-   * @param {String} authorizationHeader
-   * @param {Object} ctx
-   */
-  async isValidAuthorization(authorizationHeader, ctx) {
-    const _scope = _fileScope('isValidAuthorization');
-    this.logger.debug(_scope, 'called', { authorizationHeader, ctx });
-
-    const [authMethod, authString] = common.splitFirst(authorizationHeader, ' ', '').map((x) => x.trim());
-    // eslint-disable-next-line sonarjs/no-small-switch
-    switch (authMethod.toLowerCase()) {
-      case 'basic': {
-        const credentials = Buffer.from(authString, 'base64').toString('utf-8');
-        return await this.isValidBasic(credentials, ctx);
-      }
-
-      default:
-        this.logger.debug(_scope, 'unknown authorization scheme', { ctx });
-        return false;
-    }
-  }
-
-
-  /**
-   * Send a response requesting basic auth.
-   * @param {http.ServerResponse} res
-   */
-  requestBasic(res) {
-    res.setHeader(Enum.Header.WWWAuthenticate, `Basic realm="${this.basicRealm}", charset="UTF-8"`);
-    throw new Errors.ResponseError(Enum.ErrorResponse.Unauthorized);
-  }
-
-
-  /**
-   * Require that a request has valid auth over secure channel, requests if missing.
-   * @param {http.ClientRequest} req
-   * @param {http.ServerResponse} res
-   * @param {Object} ctx
-   */
-  async required(req, res, ctx) {
-    const _scope = _fileScope('required');
-    this.logger.debug(_scope, 'called', { ctx });
-
-    if (this.secureAuthOnly && ctx.clientProtocol.toLowerCase() !== 'https') {
-      this.logger.debug(_scope, 'rejecting insecure auth', ctx);
-      throw new Errors.ResponseError(Enum.ErrorResponse.Forbidden, 'authentication required, but connection is insecure; cannot continue');
-    }
-
-    const authData = req.getHeader(Enum.Header.Authorization);
-    if (authData
-    &&  await this.isValidAuthorization(authData, ctx)) {
-        return true;
-    }
-    return this.requestBasic(res);
-  }
-
-}
-
-module.exports = Authenticator;
\ No newline at end of file