73 lines
2.9 KiB
JavaScript
73 lines
2.9 KiB
JavaScript
// Copyright (c) 2025, Oracle and/or its affiliates.
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//-----------------------------------------------------------------------------
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//
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// This software is dual-licensed to you under the Universal Permissive License
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// (UPL) 1.0 as shown at https://oss.oracle.com/licenses/upl and Apache License
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// 2.0 as shown at http://www.apache.org/licenses/LICENSE-2.0. You may choose
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// either license.
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//
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// If you elect to accept the software under the Apache License, Version 2.0,
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// the following applies:
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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//-----------------------------------------------------------------------------
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const fs = require('fs').promises;
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const util = require('node:util');
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const oracledb = require('oracledb');
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class locaJson {
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constructor(provider_arg, urlExtendedPart) {
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const params = new URLSearchParams(urlExtendedPart);
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this.paramMap = new URLSearchParams([...params].map(([key, value]) => [key.toLowerCase(), value])); //parse the extended part and store parameters in Map
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this.paramMap.set('filepath', provider_arg);
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}
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//---------------------------------------------------------------------------
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// init()
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//
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// Require/import modules from ociobject
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//---------------------------------------------------------------------------
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init() {
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// nothing to require
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}
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async returnConfig() {
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const alias = this.paramMap.get('alias');
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// Read input file
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const data = Buffer.from(await fs.readFile(this.paramMap.get("filepath"), { encoding: 'utf8', flag: 'r' }));
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// Converting to JSON
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const listofAliases = JSON.parse(data);
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if (alias) {
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this.obj = listofAliases[alias];
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} else {
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this.obj = listofAliases;
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}
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return this.obj;
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}
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}
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//---------------------------------------------------------------------------
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// hookFn()
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// hookFn will get registered to the driver while loading the plugins
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//---------------------------------------------------------------------------
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async function hookFn(args) {
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const configProvider = new locaJson(args.provider_arg, args.urlExtendedPart);
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try {
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configProvider.init();
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} catch (err) {
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const errmsg = util.format('Centralized Config Provider failed to load required libraries. Please install the required libraries.\n %s', err.message);
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throw new Error(errmsg);
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}
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return [await configProvider.returnConfig(), configProvider.credential];
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}
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oracledb.registerConfigurationProviderHook('file', hookFn);
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