99 lines
2.1 KiB
JavaScript
99 lines
2.1 KiB
JavaScript
'use strict';
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/*global Promise*/
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var PromiseA = Promise;
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try {
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PromiseA = require('bluebird').Promise;
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} catch(e) {
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console.warn("For better Promise support please use bluebird");
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}
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var sqlite3 = require('sqlite3');
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var dbs = {};
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function sanitize(str) {
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return String(str).replace("'", "''");
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}
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function create(opts) {
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var db;
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if (!opts) {
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opts = {};
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}
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if (opts.verbose) {
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sqlite3.verbose();
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}
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if (!dbs[opts.filename]) {
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dbs[opts.filename] = new sqlite3.Database(opts.filename);
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}
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db = dbs[opts.filename];
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db.sanitize = sanitize;
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db.escape = sanitize;
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db.init = function (newOpts) {
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if (!newOpts) {
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newOpts = {};
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}
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var key = newOpts.key || opts.key;
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var bits = newOpts.bits || opts.bits;
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return new PromiseA(function (resolve, reject) {
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if (db._initialized) {
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resolve(db);
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return;
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}
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if (!key) {
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if (!bits) {
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db._initialized = true;
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}
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resolve(db);
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return;
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}
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// TODO test key length
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db._initialized = true;
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db.serialize(function () {
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var setup = [];
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if (!bits) {
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bits = 128;
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}
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// TODO db.run(sql, function () { resolve() });
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setup.push(new PromiseA(function (resolve, reject) {
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db.run("PRAGMA KEY = \"x'" + sanitize(key) + "'\"", [], function (err) {
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if (err) { reject(err); return; }
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resolve(this);
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});
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}));
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setup.push(new PromiseA(function (resolve, reject) {
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//process.nextTick(function () {
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db.run("PRAGMA CIPHER = 'aes-" + sanitize(bits) + "-cbc'", [], function (err) {
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if (err) { reject(err); return; }
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resolve(this);
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});
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//});
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}));
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PromiseA.all(setup).then(function () {
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// restore original functions
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resolve(db);
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}, reject);
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});
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});
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};
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return db.init(opts);
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}
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module.exports.sanitize = sanitize;
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module.exports.escape = sanitize;
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module.exports.Database = sqlite3.Database;
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module.exports.create = create;
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