1 files changed, 86 insertions, 0 deletions
diff --git a/lang/js/src/index.js b/lang/js/src/index.js
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+++ b/lang/js/src/index.js
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+/* gpgme.js - Javascript integration for gpgme
+ * Copyright (C) 2018 Bundesamt für Sicherheit in der Informationstechnik
+ *
+ * This file is part of GPGME.
+ *
+ * GPGME is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * GPGME is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, see <http://www.gnu.org/licenses/>.
+ * SPDX-License-Identifier: LGPL-2.1+
+ */
+
+import { GpgME } from "./gpgmejs";
+import { gpgme_error } from "./Errors";
+import { Connection } from "./Connection";
+import { defaultConf, availableConf } from "./Config";
+
+/**
+ * Initializes a nativeMessaging Connection and returns a GPGMEjs object
+ * @param {Object} config Configuration. See Config.js for available parameters. Still TODO
+ */
+function init(config){
+    let _conf = parseconfiguration(config);
+    if (_conf instanceof Error){
+        return Promise.reject(_conf);
+    }
+    return new Promise(function(resolve, reject){
+        let connection = new Connection;
+        // TODO: Delayed reaction is ugly. We need to listen to the port's
+        // event listener in isConnected, but in some cases this takes some
+        // time (<5ms) to disconnect if there is no successfull connection.
+        let delayedreaction = function(){
+            if (connection === undefined) {
+                reject(gpgme_error('CONN_NO_CONNECT'));
+            }
+            if (connection.isConnected === true){
+                resolve(new GpgME(connection, _conf));
+            } else {
+                reject(gpgme_error('CONN_NO_CONNECT'));
+            }
+        };
+        setTimeout(delayedreaction, 5);
+    });
+}
+
+function parseconfiguration(rawconfig = {}){
+    if ( typeof(rawconfig) !== 'object'){
+        return gpgme_error('PARAM_WRONG');
+    };
+    let result_config = {};
+    let conf_keys = Object.keys(rawconfig);
+
+    for (let i=0; i < conf_keys.length; i++){
+
+        if (availableConf.hasOwnProperty(conf_keys[i])){
+            let value = rawconfig[conf_keys[i]];
+            if (availableConf[conf_keys[i]].indexOf(value) < 0){
+                return gpgme_error('PARAM_WRONG');
+            } else {
+                result_config[conf_keys[i]] = value;
+            }
+        }
+        else {
+            return gpgme_error('PARAM_WRONG');
+        }
+    }
+    let default_keys = Object.keys(defaultConf);
+    for (let j=0; j < default_keys.length; j++){
+        if (!result_config.hasOwnProperty(default_keys[j])){
+            result_config[default_keys[j]] = defaultConf[default_keys[j]];
+        }
+    }
+    return result_config;
+};
+
+export default {
+    init: init
+}
+\ No newline at end of file