131 lines
4.0 KiB
JavaScript
131 lines
4.0 KiB
JavaScript
// @ts-check
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const fs = require("fs");
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const path = require("path");
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const mysql = require("serverless-mysql");
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const SSL_DIR =
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process.env.DSQL_SSL_DIR || path.resolve(__dirname, "../../../../ssl");
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let DSQL_USER = mysql({
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config: {
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host: process.env.DSQL_DB_HOST,
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user: process.env.DSQL_DB_READ_ONLY_USERNAME,
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password: process.env.DSQL_DB_READ_ONLY_PASSWORD,
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charset: "utf8mb4",
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ssl: {
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ca: fs.readFileSync(`${SSL_DIR}/ca-cert.pem`),
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},
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},
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});
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/**
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* DSQL user read-only DB handler
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* @param {object} params
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* @param {"Full Access" | "FA" | "Read Only"} params.paradigm
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* @param {string} params.database
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* @param {string} params.queryString
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* @param {string[]} [params.queryValues]
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*/
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function DSQL_USER_DB_HANDLER({
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paradigm,
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database,
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queryString,
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queryValues,
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}) {
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try {
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return new Promise((resolve, reject) => {
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const fullAccess = paradigm?.match(/full.access|^fa$/i)
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? true
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: false;
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try {
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if (fullAccess) {
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DSQL_USER = mysql({
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config: {
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host: process.env.DSQL_DB_HOST,
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user: process.env.DSQL_DB_FULL_ACCESS_USERNAME,
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password: process.env.DSQL_DB_FULL_ACCESS_PASSWORD,
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database: database,
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ssl: {
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ca: fs.readFileSync(`${SSL_DIR}/ca-cert.pem`),
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},
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},
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});
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} else {
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DSQL_USER = mysql({
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config: {
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host: process.env.DSQL_DB_HOST,
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user: process.env.DSQL_DB_READ_ONLY_USERNAME,
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password: process.env.DSQL_DB_READ_ONLY_PASSWORD,
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database: database,
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ssl: {
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ca: fs.readFileSync(`${SSL_DIR}/ca-cert.pem`),
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},
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},
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});
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}
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/**
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* ### Run query Function
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* @param {any} results
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*/
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function runQuery(results) {
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DSQL_USER.end();
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resolve(JSON.parse(JSON.stringify(results)));
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}
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/**
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* ### Query Error
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* @param {any} err
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*/
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function queryError(err) {
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DSQL_USER.end();
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resolve({
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error: err.message,
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queryStringGenerated: queryString,
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queryValuesGenerated: queryValues,
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sql: err.sql,
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});
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}
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if (
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queryValues &&
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Array.isArray(queryValues) &&
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queryValues[0]
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) {
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DSQL_USER.query(queryString, queryValues)
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.then(runQuery)
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.catch(queryError);
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} else {
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DSQL_USER.query(queryString)
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.then(runQuery)
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.catch(queryError);
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}
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////////////////////////////////////////
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} catch (/** @type {any} */ error) {
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////////////////////////////////////////
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fs.appendFileSync(
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"./.tmp/dbErrorLogs.txt",
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error.message + "\n" + Date() + "\n\n\n",
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"utf8"
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);
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resolve({
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error: error.message,
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});
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}
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});
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} catch (/** @type {any} */ error) {
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return {
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success: false,
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error: error.message,
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};
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}
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}
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module.exports = DSQL_USER_DB_HANDLER;
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