overleaf/services/track-changes/app.js
2020-02-17 18:36:01 +01:00

121 lines
No EOL
3.8 KiB
JavaScript

/*
* decaffeinate suggestions:
* DS102: Remove unnecessary code created because of implicit returns
* DS103: Rewrite code to no longer use __guard__
* DS207: Consider shorter variations of null checks
* Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
*/
const Metrics = require("metrics-sharelatex");
Metrics.initialize("track-changes");
const Settings = require("settings-sharelatex");
const logger = require("logger-sharelatex");
const TrackChangesLogger = logger.initialize("track-changes").logger;
if ((Settings.sentry != null ? Settings.sentry.dsn : undefined) != null) {
logger.initializeErrorReporting(Settings.sentry.dsn);
}
// log updates as truncated strings
const truncateFn = updates =>
JSON.parse(
JSON.stringify(updates, function(key, value) {
let len;
if ((typeof value === 'string') && ((len = value.length) > 80)) {
return value.substr(0,32) + `...(message of length ${len} truncated)...` + value.substr(-32);
} else {
return value;
}
})
)
;
TrackChangesLogger.addSerializers({
rawUpdate: truncateFn,
rawUpdates: truncateFn,
newUpdates: truncateFn,
lastUpdate: truncateFn
});
const Path = require("path");
Metrics.memory.monitor(logger);
const child_process = require("child_process");
const HttpController = require("./app/js/HttpController");
const express = require("express");
const app = express();
app.use(Metrics.http.monitor(logger));
Metrics.injectMetricsRoute(app);
app.post("/project/:project_id/doc/:doc_id/flush", HttpController.flushDoc);
app.get("/project/:project_id/doc/:doc_id/diff", HttpController.getDiff);
app.get("/project/:project_id/doc/:doc_id/check", HttpController.checkDoc);
app.get("/project/:project_id/updates", HttpController.getUpdates);
app.post("/project/:project_id/flush", HttpController.flushProject);
app.post("/project/:project_id/doc/:doc_id/version/:version/restore", HttpController.restore);
app.post('/project/:project_id/doc/:doc_id/push', HttpController.pushDocHistory);
app.post('/project/:project_id/doc/:doc_id/pull', HttpController.pullDocHistory);
app.post('/flush/all', HttpController.flushAll);
app.post('/check/dangling', HttpController.checkDanglingUpdates);
let packWorker = null; // use a single packing worker
app.post("/pack", function(req, res, next) {
if (packWorker != null) {
return res.send("pack already running");
} else {
logger.log("running pack");
packWorker = child_process.fork(__dirname + '/app/js/PackWorker.js',
[req.query.limit || 1000, req.query.delay || 1000, req.query.timeout || (30*60*1000)]);
packWorker.on('exit', function(code, signal) {
logger.log({code, signal}, "history auto pack exited");
return packWorker = null;
});
return res.send("pack started");
}
});
app.get("/status", (req, res, next) => res.send("track-changes is alive"));
app.get("/oops", function(req, res, next) {
throw new Error("dummy test error");
});
app.get("/check_lock", HttpController.checkLock);
app.get("/health_check", HttpController.healthCheck);
app.use(function(error, req, res, next) {
logger.error({err: error, req}, "an internal error occured");
return res.send(500);
});
const port = __guard__(Settings.internal != null ? Settings.internal.trackchanges : undefined, x => x.port) || 3015;
const host = __guard__(Settings.internal != null ? Settings.internal.trackchanges : undefined, x1 => x1.host) || "localhost";
if (!module.parent) { // Called directly
app.listen(port, host, function(error) {
if (error != null) {
return logger.error({err: error}, "could not start track-changes server");
} else {
return logger.info(`trackchanges starting up, listening on ${host}:${port}`);
}
});
}
module.exports = app;
function __guard__(value, transform) {
return (typeof value !== 'undefined' && value !== null) ? transform(value) : undefined;
}