overleaf/services/track-changes/app.coffee
2019-07-18 09:00:47 +00:00

98 lines
2.9 KiB
CoffeeScript

Metrics = require "metrics-sharelatex"
Metrics.initialize("track-changes")
Settings = require "settings-sharelatex"
logger = require "logger-sharelatex"
TrackChangesLogger = logger.initialize("track-changes").logger
if Settings.sentry?.dsn?
logger.initializeErrorReporting(Settings.sentry.dsn)
# log updates as truncated strings
truncateFn = (updates) ->
JSON.parse(
JSON.stringify updates, (key, value) ->
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
}
Path = require "path"
Metrics.memory.monitor(logger)
child_process = require "child_process"
HttpController = require "./app/js/HttpController"
express = require "express"
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
packWorker = null # use a single packing worker
app.post "/pack", (req, res, next) ->
if packWorker?
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', (code, signal) ->
logger.log {code, signal}, "history auto pack exited"
packWorker = null
res.send "pack started"
app.get "/status", (req, res, next) ->
res.send "track-changes is alive"
app.get "/oops", (req, res, next) ->
throw new Error("dummy test error")
app.get "/check_lock", HttpController.checkLock
app.get "/health_check", HttpController.healthCheck
app.use (error, req, res, next) ->
logger.error err: error, req: req, "an internal error occured"
res.send 500
port = Settings.internal?.trackchanges?.port or 3015
host = Settings.internal?.trackchanges?.host or "localhost"
if !module.parent # Called directly
app.listen port, host, (error) ->
if error?
logger.error err: error, "could not start track-changes server"
else
logger.info "trackchanges starting up, listening on #{host}:#{port}"
module.exports = app