742 lines
24 KiB
TypeScript
742 lines
24 KiB
TypeScript
/**
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* Copyright 2013-2019 GenieACS Inc.
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*
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* This file is part of GenieACS.
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*
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* GenieACS is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* GenieACS is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with GenieACS. If not, see <http://www.gnu.org/licenses/>.
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*/
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import * as url from "url";
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import * as mongodb from "mongodb";
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import * as querystring from "querystring";
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import * as vm from "vm";
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import { exec } from "child_process";
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import * as config from "./config";
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import * as db from "./db";
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import * as query from "./query";
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import * as apiFunctions from "./api-functions";
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import * as cache from "./cache";
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import { version as VERSION } from "../package.json";
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const DEVICE_TASKS_REGEX = /^\/devices\/([a-zA-Z0-9\-_%]+)\/tasks\/?$/;
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const TASKS_REGEX = /^\/tasks\/([a-zA-Z0-9\-_%]+)(\/[a-zA-Z_]*)?$/;
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const TAGS_REGEX = /^\/devices\/([a-zA-Z0-9\-_%]+)\/tags\/([a-zA-Z0-9\-_%]+)\/?$/;
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const PRESETS_REGEX = /^\/presets\/([a-zA-Z0-9\-_%]+)\/?$/;
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const OBJECTS_REGEX = /^\/objects\/([a-zA-Z0-9\-_%]+)\/?$/;
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const FILES_REGEX = /^\/files\/([a-zA-Z0-9%!*'();:@&=+$,?#[\]\-_.~]+)\/?$/;
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const PING_REGEX = /^\/ping\/([a-zA-Z0-9\-_.:]+)\/?$/;
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const QUERY_REGEX = /^\/([a-zA-Z0-9_]+)\/?$/;
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const DELETE_DEVICE_REGEX = /^\/devices\/([a-zA-Z0-9\-_%]+)\/?$/;
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const PROVISIONS_REGEX = /^\/provisions\/([a-zA-Z0-9\-_%]+)\/?$/;
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const VIRTUAL_PARAMETERS_REGEX = /^\/virtual_parameters\/([a-zA-Z0-9\-_%]+)\/?$/;
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const FAULTS_REGEX = /^\/faults\/([a-zA-Z0-9\-_%:]+)\/?$/;
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function throwError(err, httpResponse?): never {
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if (httpResponse) {
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httpResponse.writeHead(500, { Connection: "close" });
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httpResponse.end(`${err.name}: ${err.message}`);
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}
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throw err;
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}
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export function listener(request, response): void {
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const chunks = [];
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let bytes = 0;
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response.setHeader("GenieACS-Version", VERSION);
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request.addListener("data", (chunk): void => {
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chunks.push(chunk);
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bytes += chunk.length;
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});
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function getBody(): Buffer {
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// Write all chunks into a Buffer
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const body = Buffer.allocUnsafe(bytes);
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let offset = 0;
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for (const chunk of chunks) {
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chunk.copy(body, offset, 0, chunk.length);
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offset += chunk.length;
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}
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return body;
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}
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request.addListener("end", () => {
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const body = getBody();
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const urlParts = url.parse(request.url, true);
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if (PRESETS_REGEX.test(urlParts.pathname)) {
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const presetName = querystring.unescape(
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PRESETS_REGEX.exec(urlParts.pathname)[1]
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);
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if (request.method === "PUT") {
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const preset = JSON.parse(body.toString());
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preset._id = presetName;
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db.presetsCollection.replaceOne(
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{ _id: presetName },
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preset,
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{ upsert: true },
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err => {
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if (err) return void throwError(err, response);
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cache
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.del("presets_hash")
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.then(() => {
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response.writeHead(200);
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response.end();
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})
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.catch(err => {
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setTimeout(() => {
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throwError(err, response);
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});
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});
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}
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);
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} else if (request.method === "DELETE") {
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db.presetsCollection.deleteOne({ _id: presetName }, err => {
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if (err) return void throwError(err, response);
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cache
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.del("presets_hash")
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.then(() => {
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response.writeHead(200);
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response.end();
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})
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.catch(err => {
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setTimeout(() => {
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throwError(err, response);
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});
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});
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});
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} else {
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response.writeHead(405, { Allow: "PUT, DELETE" });
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response.end("405 Method Not Allowed");
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}
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} else if (OBJECTS_REGEX.test(urlParts.pathname)) {
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const objectName = querystring.unescape(
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OBJECTS_REGEX.exec(urlParts.pathname)[1]
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);
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if (request.method === "PUT") {
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const object = JSON.parse(body.toString());
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object._id = objectName;
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db.objectsCollection.replaceOne(
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{ _id: objectName },
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object,
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{ upsert: true },
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err => {
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if (err) return void throwError(err, response);
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cache
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.del("presets_hash")
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.then(() => {
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response.writeHead(200);
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response.end();
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})
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.catch(err => {
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setTimeout(() => {
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throwError(err, response);
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});
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});
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}
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);
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} else if (request.method === "DELETE") {
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db.objectsCollection.deleteOne({ _id: objectName }, err => {
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if (err) return void throwError(err, response);
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cache
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.del("presets_hash")
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.then(() => {
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response.writeHead(200);
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response.end();
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})
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.catch(err => {
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setTimeout(() => {
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throwError(err, response);
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});
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});
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});
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} else {
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response.writeHead(405, { Allow: "PUT, DELETE" });
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response.end("405 Method Not Allowed");
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}
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} else if (PROVISIONS_REGEX.test(urlParts.pathname)) {
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const provisionName = querystring.unescape(
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PROVISIONS_REGEX.exec(urlParts.pathname)[1]
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);
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if (request.method === "PUT") {
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const object = {
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_id: provisionName,
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script: body.toString()
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};
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try {
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new vm.Script(`"use strict";(function(){\n${object.script}\n})();`);
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} catch (err) {
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response.writeHead(400);
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response.end(`${err.name}: ${err.message}`);
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return;
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}
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db.provisionsCollection.replaceOne(
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{ _id: provisionName },
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object,
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{ upsert: true },
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err => {
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if (err) return void throwError(err, response);
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cache
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.del("presets_hash")
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.then(() => {
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response.writeHead(200);
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response.end();
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})
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.catch(err => {
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setTimeout(() => {
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throwError(err, response);
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});
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});
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}
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);
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} else if (request.method === "DELETE") {
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db.provisionsCollection.deleteOne({ _id: provisionName }, err => {
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if (err) return void throwError(err, response);
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cache
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.del("presets_hash")
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.then(() => {
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response.writeHead(200);
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response.end();
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})
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.catch(err => {
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setTimeout(() => {
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throwError(err, response);
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});
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});
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});
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} else {
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response.writeHead(405, { Allow: "PUT, DELETE" });
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response.end("405 Method Not Allowed");
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}
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} else if (VIRTUAL_PARAMETERS_REGEX.test(urlParts.pathname)) {
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const virtualParameterName = querystring.unescape(
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VIRTUAL_PARAMETERS_REGEX.exec(urlParts.pathname)[1]
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);
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if (request.method === "PUT") {
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const object = {
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_id: virtualParameterName,
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script: body.toString()
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};
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try {
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new vm.Script(`"use strict";(function(){\n${object.script}\n})();`);
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} catch (err) {
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response.writeHead(400);
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response.end(`${err.name}: ${err.message}`);
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return;
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}
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db.virtualParametersCollection.replaceOne(
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{ _id: virtualParameterName },
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object,
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{ upsert: true },
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err => {
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if (err) return void throwError(err, response);
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cache
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.del("presets_hash")
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.then(() => {
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response.writeHead(200);
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response.end();
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})
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.catch(err => {
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setTimeout(() => {
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throwError(err, response);
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});
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});
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}
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);
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} else if (request.method === "DELETE") {
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db.virtualParametersCollection.deleteOne(
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{ _id: virtualParameterName },
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err => {
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if (err) return void throwError(err, response);
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cache
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.del("presets_hash")
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.then(() => {
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response.writeHead(200);
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response.end();
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})
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.catch(err => {
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setTimeout(() => {
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throwError(err, response);
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});
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});
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}
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);
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} else {
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response.writeHead(405, { Allow: "PUT, DELETE" });
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response.end("405 Method Not Allowed");
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}
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} else if (TAGS_REGEX.test(urlParts.pathname)) {
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const r = TAGS_REGEX.exec(urlParts.pathname);
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const deviceId = querystring.unescape(r[1]);
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const tag = querystring.unescape(r[2]);
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if (request.method === "POST") {
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db.devicesCollection.updateOne(
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{ _id: deviceId },
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{ $addToSet: { _tags: tag } },
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err => {
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if (err) return void throwError(err, response);
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response.writeHead(200);
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response.end();
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}
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);
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} else if (request.method === "DELETE") {
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db.devicesCollection.updateOne(
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{ _id: deviceId },
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{ $pull: { _tags: tag } },
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err => {
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if (err) return void throwError(err, response);
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response.writeHead(200);
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response.end();
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}
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);
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} else {
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response.writeHead(405, { Allow: "POST, DELETE" });
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response.end("405 Method Not Allowed");
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}
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} else if (FAULTS_REGEX.test(urlParts.pathname)) {
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if (request.method === "DELETE") {
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const faultId = querystring.unescape(
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FAULTS_REGEX.exec(urlParts.pathname)[1]
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);
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const deviceId = faultId.split(":", 1)[0];
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const channel = faultId.slice(deviceId.length + 1);
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db.faultsCollection.deleteOne({ _id: faultId }, err => {
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if (err) return void throwError(err, response);
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if (channel.startsWith("task_")) {
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const objId = new mongodb.ObjectID(channel.slice(5));
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return void db.tasksCollection.deleteOne({ _id: objId }, err => {
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if (err) return void throwError(err, response);
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cache
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.del(`${deviceId}_tasks_faults_operations`)
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.then(() => {
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response.writeHead(200);
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response.end();
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})
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.catch(err => {
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setTimeout(() => {
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throwError(err, response);
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});
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});
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});
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}
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cache
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.del(`${deviceId}_tasks_faults_operations`)
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.then(() => {
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response.writeHead(200);
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response.end();
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})
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.catch(err => {
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setTimeout(() => {
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throwError(err, response);
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});
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});
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});
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} else {
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response.writeHead(405, { Allow: "DELETE" });
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response.end("405 Method Not Allowed");
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}
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} else if (DEVICE_TASKS_REGEX.test(urlParts.pathname)) {
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if (request.method === "POST") {
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const deviceId = querystring.unescape(
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DEVICE_TASKS_REGEX.exec(urlParts.pathname)[1]
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);
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if (body.length) {
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const task = JSON.parse(body.toString());
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task.device = deviceId;
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apiFunctions
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.insertTasks(task)
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.then(() => {
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cache
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.del(`${deviceId}_tasks_faults_operations`)
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.then(() => {
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if (urlParts.query.connection_request != null) {
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apiFunctions
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.connectionRequest(deviceId)
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.then(() => {
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const taskTimeout =
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(urlParts.query.timeout &&
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parseInt(urlParts.query.timeout as string)) ||
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config.get("DEVICE_ONLINE_THRESHOLD", deviceId);
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apiFunctions
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.watchTask(deviceId, task._id, taskTimeout)
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.then(status => {
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if (status === "timeout") {
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response.writeHead(
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202,
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"Task queued but not processed",
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{
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"Content-Type": "application/json"
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}
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);
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response.end(JSON.stringify(task));
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} else if (status === "fault") {
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db.tasksCollection.findOne(
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{ _id: task._id },
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(err, task2) => {
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if (err)
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return void throwError(err, response);
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response.writeHead(202, "Task faulted", {
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"Content-Type": "application/json"
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});
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response.end(JSON.stringify(task2));
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}
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);
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} else {
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response.writeHead(200, {
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"Content-Type": "application/json"
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});
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response.end(JSON.stringify(task));
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}
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})
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.catch(err => {
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setTimeout(() => {
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throwError(err, response);
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});
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});
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})
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.catch(err => {
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response.writeHead(202, err.message, {
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"Content-Type": "application/json"
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});
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response.end(JSON.stringify(task));
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});
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} else {
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response.writeHead(202, {
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"Content-Type": "application/json"
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});
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response.end(JSON.stringify(task));
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}
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})
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.catch(err => {
|
|
setTimeout(() => {
|
|
throwError(err, response);
|
|
});
|
|
});
|
|
})
|
|
.catch(err => {
|
|
setTimeout(() => {
|
|
throwError(err, response);
|
|
});
|
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});
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} else if (urlParts.query.connection_request != null) {
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// No task, send connection request only
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apiFunctions
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.connectionRequest(deviceId)
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.then(() => {
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response.writeHead(200);
|
|
response.end();
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})
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.catch(err => {
|
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response.writeHead(504);
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response.end(`${err.name}: ${err.message}`);
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|
});
|
|
} else {
|
|
response.writeHead(400);
|
|
response.end();
|
|
}
|
|
} else {
|
|
response.writeHead(405, { Allow: "POST" });
|
|
response.end("405 Method Not Allowed");
|
|
}
|
|
} else if (TASKS_REGEX.test(urlParts.pathname)) {
|
|
const r = TASKS_REGEX.exec(urlParts.pathname);
|
|
const taskId = querystring.unescape(r[1]);
|
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const action = r[2];
|
|
if (!action || action === "/") {
|
|
if (request.method === "DELETE") {
|
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db.tasksCollection.findOne(
|
|
{ _id: new mongodb.ObjectID(taskId) },
|
|
{ projection: { device: 1 } },
|
|
(err, task) => {
|
|
if (err) return void throwError(err, response);
|
|
|
|
if (!task) {
|
|
response.writeHead(404);
|
|
response.end("Task not found");
|
|
return;
|
|
}
|
|
|
|
const deviceId = task.device;
|
|
db.tasksCollection.deleteOne(
|
|
{ _id: new mongodb.ObjectID(taskId) },
|
|
err => {
|
|
if (err) return void throwError(err, response);
|
|
|
|
db.faultsCollection.deleteOne(
|
|
{ _id: `${deviceId}:task_${taskId}` },
|
|
err => {
|
|
if (err) return void throwError(err, response);
|
|
|
|
cache
|
|
.del(`${deviceId}_tasks_faults_operations`)
|
|
.then(() => {
|
|
response.writeHead(200);
|
|
response.end();
|
|
})
|
|
.catch(err => {
|
|
setTimeout(() => {
|
|
throwError(err, response);
|
|
});
|
|
});
|
|
}
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|
);
|
|
}
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|
);
|
|
}
|
|
);
|
|
} else {
|
|
response.writeHead(405, { Allow: "PUT DELETE" });
|
|
response.end("405 Method Not Allowed");
|
|
}
|
|
} else if (action === "/retry") {
|
|
if (request.method === "POST") {
|
|
db.tasksCollection.findOne(
|
|
{ _id: new mongodb.ObjectID(taskId) },
|
|
{ projection: { device: 1 } },
|
|
(err, task) => {
|
|
if (err) return void throwError(err, response);
|
|
|
|
const deviceId = task.device;
|
|
db.faultsCollection.deleteOne(
|
|
{ _id: `${deviceId}:task_${taskId}` },
|
|
err => {
|
|
if (err) return void throwError(err, response);
|
|
|
|
cache
|
|
.del(`${deviceId}_tasks_faults_operations`)
|
|
.then(() => {
|
|
response.writeHead(200);
|
|
response.end();
|
|
})
|
|
.catch(err => {
|
|
setTimeout(() => {
|
|
throwError(err, response);
|
|
});
|
|
});
|
|
}
|
|
);
|
|
}
|
|
);
|
|
} else {
|
|
response.writeHead(405, { Allow: "POST" });
|
|
response.end("405 Method Not Allowed");
|
|
}
|
|
} else {
|
|
response.writeHead(404);
|
|
response.end();
|
|
}
|
|
} else if (FILES_REGEX.test(urlParts.pathname)) {
|
|
const filename = querystring.unescape(
|
|
FILES_REGEX.exec(urlParts.pathname)[1]
|
|
);
|
|
if (request.method === "PUT") {
|
|
const metadata = {
|
|
fileType: request.headers.filetype,
|
|
oui: request.headers.oui,
|
|
productClass: request.headers.productclass,
|
|
version: request.headers.version
|
|
};
|
|
const bucket = new mongodb.GridFSBucket(db.client.db());
|
|
const uploadStream = bucket.openUploadStreamWithId(filename, filename, {
|
|
metadata: metadata
|
|
});
|
|
|
|
uploadStream.on("error", err => {
|
|
throwError(err, response);
|
|
});
|
|
|
|
uploadStream.end(body, () => {
|
|
response.writeHead(201);
|
|
response.end();
|
|
});
|
|
} else if (request.method === "DELETE") {
|
|
const bucket = new mongodb.GridFSBucket(db.client.db());
|
|
bucket.delete((filename as unknown) as mongodb.ObjectId, err => {
|
|
if (err) return void throwError(err, response);
|
|
|
|
response.writeHead(200);
|
|
response.end();
|
|
});
|
|
} else {
|
|
response.writeHead(405, { Allow: "PUT, DELETE" });
|
|
response.end("405 Method Not Allowed");
|
|
}
|
|
} else if (PING_REGEX.test(urlParts.pathname)) {
|
|
const host = querystring.unescape(PING_REGEX.exec(urlParts.pathname)[1]);
|
|
exec(`ping -w 1 -i 0.2 -c 3 ${host}`, (err, stdout) => {
|
|
if (err) {
|
|
response.writeHead(404, { "Cache-Control": "no-cache" });
|
|
response.end(`${err.name}: ${err.message}`);
|
|
return;
|
|
}
|
|
|
|
response.writeHead(200, {
|
|
"Content-Type": "text/plain",
|
|
"Cache-Control": "no-cache"
|
|
});
|
|
response.end(stdout);
|
|
});
|
|
} else if (DELETE_DEVICE_REGEX.test(urlParts.pathname)) {
|
|
if (request.method !== "DELETE") {
|
|
response.writeHead(405, { Allow: "DELETE" });
|
|
response.end("405 Method Not Allowed");
|
|
return;
|
|
}
|
|
|
|
const deviceId = querystring.unescape(
|
|
DELETE_DEVICE_REGEX.exec(urlParts.pathname)[1]
|
|
);
|
|
apiFunctions
|
|
.deleteDevice(deviceId)
|
|
.then(() => {
|
|
response.writeHead(200);
|
|
response.end();
|
|
})
|
|
.catch(err => {
|
|
setTimeout(() => {
|
|
throwError(err, response);
|
|
});
|
|
});
|
|
} else if (QUERY_REGEX.test(urlParts.pathname)) {
|
|
let collectionName = QUERY_REGEX.exec(urlParts.pathname)[1];
|
|
|
|
// Convert to camel case
|
|
let i = collectionName.indexOf("_");
|
|
while (i++ >= 0) {
|
|
const up =
|
|
i < collectionName.length ? collectionName[i].toUpperCase() : "";
|
|
collectionName =
|
|
collectionName.slice(0, i - 1) + up + collectionName.slice(i + 1);
|
|
i = collectionName.indexOf("_", i);
|
|
}
|
|
|
|
if (request.method !== "GET" && request.method !== "HEAD") {
|
|
response.writeHead(405, { Allow: "GET, HEAD" });
|
|
response.end("405 Method Not Allowed");
|
|
return;
|
|
}
|
|
|
|
const collection = db[`${collectionName}Collection`];
|
|
if (!collection) {
|
|
response.writeHead(404);
|
|
response.end("404 Not Found");
|
|
return;
|
|
}
|
|
|
|
let q = {};
|
|
if (urlParts.query.query) {
|
|
try {
|
|
q = JSON.parse(urlParts.query.query as string);
|
|
} catch (err) {
|
|
response.writeHead(400);
|
|
response.end(`${err.name}: ${err.message}`);
|
|
return;
|
|
}
|
|
}
|
|
|
|
switch (collectionName) {
|
|
case "devices":
|
|
q = query.expand(q);
|
|
break;
|
|
case "tasks":
|
|
q = query.sanitizeQueryTypes(q, {
|
|
_id: v => new mongodb.ObjectID(v),
|
|
timestamp: v => new Date(v),
|
|
retries: Number
|
|
});
|
|
break;
|
|
case "faults":
|
|
q = query.sanitizeQueryTypes(q, {
|
|
timestamp: v => new Date(v),
|
|
retries: Number
|
|
});
|
|
}
|
|
|
|
let projection = null;
|
|
if (urlParts.query.projection) {
|
|
projection = {};
|
|
for (const p of (urlParts.query.projection as string).split(","))
|
|
projection[p.trim()] = 1;
|
|
}
|
|
|
|
const cur = collection.find(q, { projection: projection });
|
|
|
|
if (urlParts.query.sort) {
|
|
const s = JSON.parse(urlParts.query.sort as string);
|
|
const sort = {};
|
|
for (const [k, v] of Object.entries(s)) {
|
|
if (k[k.lastIndexOf(".") + 1] !== "_" && collectionName === "devices")
|
|
sort[`${k}._value`] = v;
|
|
else sort[k] = v;
|
|
}
|
|
|
|
cur.sort(sort);
|
|
}
|
|
|
|
if (urlParts.query.skip)
|
|
cur.skip(parseInt(urlParts.query.skip as string));
|
|
|
|
if (urlParts.query.limit)
|
|
cur.limit(parseInt(urlParts.query.limit as string));
|
|
|
|
cur.count(false, (err, total) => {
|
|
if (err) return void throwError(err);
|
|
|
|
response.writeHead(200, {
|
|
"Content-Type": "application/json",
|
|
total: total
|
|
});
|
|
|
|
if (request.method === "HEAD") {
|
|
response.end();
|
|
return;
|
|
}
|
|
|
|
response.write("[\n");
|
|
i = 0;
|
|
cur.forEach(
|
|
item => {
|
|
if (i++) response.write(",\n");
|
|
response.write(JSON.stringify(item));
|
|
},
|
|
err => {
|
|
if (err) return void throwError(err);
|
|
response.end("\n]");
|
|
}
|
|
);
|
|
});
|
|
} else {
|
|
response.writeHead(404);
|
|
response.end("404 Not Found");
|
|
}
|
|
});
|
|
}
|