molstar
Version:
A comprehensive macromolecular library.
204 lines (203 loc) • 6.77 kB
JavaScript
/**
* Copyright (c) 2019-2020 mol* contributors, licensed under MIT, See LICENSE file for more info.
*
* @author David Sehnal <david.sehnal@gmail.com>
*/
Object.defineProperty(exports, "__esModule", { value: true });
const tslib_1 = require("tslib");
const express_1 = tslib_1.__importDefault(require("express"));
const compression_1 = tslib_1.__importDefault(require("compression"));
const cors_1 = tslib_1.__importDefault(require("cors"));
const fs = tslib_1.__importStar(require("fs"));
const path = tslib_1.__importStar(require("path"));
const swagger_ui_1 = require("../common/swagger-ui");
const make_dir_1 = require("../../mol-util/make-dir");
const config_1 = require("./config");
const mol_util_1 = require("../../mol-util");
const api_schema_1 = require("./api-schema");
const Config = (0, config_1.getConfig)();
const app = (0, express_1.default)();
app.use((0, compression_1.default)({ level: 6, memLevel: 9, chunkSize: 16 * 16384, filter: () => true }));
app.use((0, cors_1.default)({ methods: ['GET', 'PUT'] }));
app.use(express_1.default.json({ limit: '20mb' }));
function createIndex() {
const fn = path.join(Config.working_folder, 'index.json');
if (fs.existsSync(fn))
return;
if (!fs.existsSync(Config.working_folder))
(0, make_dir_1.makeDir)(Config.working_folder);
fs.writeFileSync(fn, '[]', 'utf-8');
}
function writeIndex(index) {
const fn = path.join(Config.working_folder, 'index.json');
if (!fs.existsSync(Config.working_folder))
(0, make_dir_1.makeDir)(Config.working_folder);
fs.writeFileSync(fn, JSON.stringify(index, null, 2), 'utf-8');
}
function readIndex() {
const fn = path.join(Config.working_folder, 'index.json');
if (!fs.existsSync(fn))
return [];
return JSON.parse(fs.readFileSync(fn, 'utf-8'));
}
function validateIndex(index) {
if (index.length > Config.max_states) {
const deletes = [], newIndex = [];
const toDelete = index.length - Config.max_states;
for (const e of index) {
if (!e.isSticky && deletes.length < toDelete) {
deletes.push(e);
}
else {
newIndex.push(e);
}
}
for (const d of deletes) {
try {
fs.unlinkSync(path.join(Config.working_folder, d.id + '.json'));
}
catch (_a) { }
}
return newIndex;
}
return index;
}
function remove(id) {
const index = readIndex();
let i = 0;
for (const e of index) {
if (e.id !== id) {
i++;
continue;
}
if (e.isSticky)
return;
try {
for (let j = i + 1; j < index.length; j++) {
index[j - 1] = index[j];
}
index.pop();
writeIndex(index);
}
catch (_a) { }
try {
fs.unlinkSync(path.join(Config.working_folder, e.id + '.json'));
}
catch (_b) { }
return;
}
}
// function clear() {
// let index = readIndex();
// for (const e of index) {
// try {
// fs.unlinkSync(path.join(Config.working_folder, e.id + '.json'));
// } catch { }
// }
// writeIndex([]);
// }
function mapPath(path) {
if (!Config.api_prefix)
return path;
return `/${Config.api_prefix}/${path}`;
}
app.get(mapPath(`/get/:id`), (req, res) => {
const id = req.params.id || '';
console.log('Reading', id);
if (id.length === 0 || id.indexOf('.') >= 0 || id.indexOf('/') >= 0 || id.indexOf('\\') >= 0) {
res.status(404);
res.end();
return;
}
fs.readFile(path.join(Config.working_folder, id + '.json'), 'utf-8', (err, data) => {
if (err) {
res.status(404);
res.end();
return;
}
res.writeHead(200, {
'Content-Type': 'application/json; charset=utf-8',
});
res.write(data);
res.end();
});
});
// app.get(mapPath(`/clear`), (req, res) => {
// clear();
// res.status(200);
// res.end();
// });
app.get(mapPath(`/remove/:id`), (req, res) => {
remove((req.params.id || '').toLowerCase());
res.status(200);
res.end();
});
// app.get(mapPath(`/latest`), (req, res) => {
// const index = readIndex();
// const id: string = index.length > 0 ? index[index.length - 1].id : '';
// console.log('Reading', id);
// if (id.length === 0 || id.indexOf('.') >= 0 || id.indexOf('/') >= 0 || id.indexOf('\\') >= 0) {
// res.status(404);
// res.end();
// return;
// }
// fs.readFile(path.join(Config.working_folder, id + '.json'), 'utf-8', (err, data) => {
// if (err) {
// res.status(404);
// res.end();
// return;
// }
// res.writeHead(200, {
// 'Content-Type': 'application/json; charset=utf-8',
// });
// res.write(data);
// res.end();
// });
// });
app.get(mapPath(`/list`), (req, res) => {
const index = readIndex();
res.writeHead(200, {
'Content-Type': 'application/json; charset=utf-8',
});
res.write(JSON.stringify(index, null, 2));
res.end();
});
app.post(mapPath(`/set`), (req, res) => {
console.log('SET', req.query.name, req.query.description);
const index = readIndex();
validateIndex(index);
const name = (req.query.name || new Date().toUTCString()).substr(0, 50);
const description = (req.query.description || '').substr(0, 100);
index.push({ timestamp: +new Date(), id: mol_util_1.UUID.createv4(), name, description });
const entry = index[index.length - 1];
const data = JSON.stringify({
id: entry.id,
name,
description,
data: req.body
});
fs.writeFile(path.join(Config.working_folder, entry.id + '.json'), data, { encoding: 'utf8' }, () => res.end());
writeIndex(index);
});
const schema = (0, api_schema_1.getSchema)(Config);
app.get(mapPath('/openapi.json'), (req, res) => {
res.writeHead(200, {
'Content-Type': 'application/json; charset=utf-8',
'Access-Control-Allow-Origin': '*',
'Access-Control-Allow-Headers': 'X-Requested-With'
});
res.end(JSON.stringify(schema));
});
app.use(mapPath('/'), (0, swagger_ui_1.swaggerUiAssetsHandler)());
app.get(mapPath('/'), (0, swagger_ui_1.swaggerUiIndexHandler)({
openapiJsonUrl: mapPath('/openapi.json'),
apiPrefix: Config.api_prefix,
title: 'PluginState Server API',
shortcutIconLink: api_schema_1.shortcutIconLink
}));
createIndex();
app.listen(Config.port);
console.log(`Mol* PluginState Server`);
console.log('');
console.log(JSON.stringify(Config, null, 2));
;