overleaf/services/docstore/app/js/HttpController.js
2020-05-28 15:20:54 +02:00

263 lines
7.1 KiB
JavaScript

/* eslint-disable
camelcase,
handle-callback-err,
valid-typeof,
*/
// TODO: This file was created by bulk-decaffeinate.
// Fix any style issues and re-enable lint.
/*
* decaffeinate suggestions:
* DS101: Remove unnecessary use of Array.from
* DS102: Remove unnecessary code created because of implicit returns
* DS207: Consider shorter variations of null checks
* Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
*/
let HttpController
const DocManager = require('./DocManager')
const logger = require('logger-sharelatex')
const DocArchive = require('./DocArchiveManager')
const HealthChecker = require('./HealthChecker')
const Settings = require('settings-sharelatex')
module.exports = HttpController = {
getDoc(req, res, next) {
if (next == null) {
next = function (error) {}
}
const { project_id } = req.params
const { doc_id } = req.params
const include_deleted =
(req.query != null ? req.query.include_deleted : undefined) === 'true'
logger.log({ project_id, doc_id }, 'getting doc')
return DocManager.getFullDoc(project_id, doc_id, function (error, doc) {
if (error != null) {
return next(error)
}
logger.log({ doc_id, project_id }, 'got doc')
if (doc == null) {
return res.send(404)
} else if (doc.deleted && !include_deleted) {
return res.send(404)
} else {
return res.json(HttpController._buildDocView(doc))
}
})
},
getRawDoc(req, res, next) {
if (next == null) {
next = function (error) {}
}
const { project_id } = req.params
const { doc_id } = req.params
logger.log({ project_id, doc_id }, 'getting raw doc')
return DocManager.getDocLines(project_id, doc_id, function (error, doc) {
if (error != null) {
return next(error)
}
if (doc == null) {
return res.send(404)
} else {
res.setHeader('content-type', 'text/plain')
return res.send(HttpController._buildRawDocView(doc))
}
})
},
getAllDocs(req, res, next) {
if (next == null) {
next = function (error) {}
}
const { project_id } = req.params
logger.log({ project_id }, 'getting all docs')
return DocManager.getAllNonDeletedDocs(
project_id,
{ lines: true, rev: true },
function (error, docs) {
if (docs == null) {
docs = []
}
if (error != null) {
return next(error)
}
return res.json(HttpController._buildDocsArrayView(project_id, docs))
}
)
},
getAllRanges(req, res, next) {
if (next == null) {
next = function (error) {}
}
const { project_id } = req.params
logger.log({ project_id }, 'getting all ranges')
return DocManager.getAllNonDeletedDocs(
project_id,
{ ranges: true },
function (error, docs) {
if (docs == null) {
docs = []
}
if (error != null) {
return next(error)
}
return res.json(HttpController._buildDocsArrayView(project_id, docs))
}
)
},
updateDoc(req, res, next) {
if (next == null) {
next = function (error) {}
}
const { project_id } = req.params
const { doc_id } = req.params
const lines = req.body != null ? req.body.lines : undefined
const version = req.body != null ? req.body.version : undefined
const ranges = req.body != null ? req.body.ranges : undefined
if (lines == null || !(lines instanceof Array)) {
logger.error({ project_id, doc_id }, 'no doc lines provided')
res.send(400) // Bad Request
return
}
if (version == null || typeof version === !'number') {
logger.error({ project_id, doc_id }, 'no doc version provided')
res.send(400) // Bad Request
return
}
if (ranges == null) {
logger.error({ project_id, doc_id }, 'no doc ranges provided')
res.send(400) // Bad Request
return
}
const bodyLength = lines.reduce((len, line) => line.length + len, 0)
if (bodyLength > Settings.max_doc_length) {
logger.error(
{ project_id, doc_id, bodyLength },
'document body too large'
)
res.status(413).send('document body too large')
return
}
logger.log({ project_id, doc_id }, 'got http request to update doc')
return DocManager.updateDoc(
project_id,
doc_id,
lines,
version,
ranges,
function (error, modified, rev) {
if (error != null) {
return next(error)
}
return res.json({
modified,
rev
})
}
)
},
deleteDoc(req, res, next) {
if (next == null) {
next = function (error) {}
}
const { project_id } = req.params
const { doc_id } = req.params
logger.log({ project_id, doc_id }, 'deleting doc')
return DocManager.deleteDoc(project_id, doc_id, function (error) {
if (error != null) {
return next(error)
}
return res.send(204)
})
},
_buildDocView(doc) {
const doc_view = { _id: doc._id != null ? doc._id.toString() : undefined }
for (const attribute of ['lines', 'rev', 'version', 'ranges', 'deleted']) {
if (doc[attribute] != null) {
doc_view[attribute] = doc[attribute]
}
}
return doc_view
},
_buildRawDocView(doc) {
return ((doc != null ? doc.lines : undefined) || []).join('\n')
},
_buildDocsArrayView(project_id, docs) {
const docViews = []
for (const doc of Array.from(docs)) {
if (doc != null) {
// There can end up being null docs for some reason :( (probably a race condition)
docViews.push(HttpController._buildDocView(doc))
} else {
logger.error(
{ err: new Error('null doc'), project_id },
'encountered null doc'
)
}
}
return docViews
},
archiveAllDocs(req, res, next) {
if (next == null) {
next = function (error) {}
}
const { project_id } = req.params
logger.log({ project_id }, 'archiving all docs')
return DocArchive.archiveAllDocs(project_id, function (error) {
if (error != null) {
return next(error)
}
return res.send(204)
})
},
unArchiveAllDocs(req, res, next) {
if (next == null) {
next = function (error) {}
}
const { project_id } = req.params
logger.log({ project_id }, 'unarchiving all docs')
return DocArchive.unArchiveAllDocs(project_id, function (error) {
if (error != null) {
return next(error)
}
return res.send(200)
})
},
destroyAllDocs(req, res, next) {
if (next == null) {
next = function (error) {}
}
const { project_id } = req.params
logger.log({ project_id }, 'destroying all docs')
return DocArchive.destroyAllDocs(project_id, function (error) {
if (error != null) {
return next(error)
}
return res.send(204)
})
},
healthCheck(req, res) {
return HealthChecker.check(function (err) {
if (err != null) {
logger.err({ err }, 'error performing health check')
return res.send(500)
} else {
return res.send(200)
}
})
}
}