overleaf/libraries/logger/serializers.js

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const OError = require('@overleaf/o-error')
function errSerializer(err) {
if (!err) {
return err
}
return {
message: err.message,
name: err.name,
stack: err.stack && OError.getFullStack(err),
info: OError.getFullInfo(err),
code: err.code,
signal: err.signal,
}
}
function reqSerializer(req) {
if (!req) {
return req
}
const headers = req.headers || {}
const entry = {
method: req.method,
url: req.originalUrl || req.url,
remoteAddress: getRemoteIp(req),
headers: {
referer: headers.referer || headers.referrer,
'user-agent': headers['user-agent'],
'content-length': headers['content-length'],
},
}
const projectId =
req.params.projectId || req.params.project_id || req.params.Project_id
const userId = req.params.userId || req.params.user_id
const docId = req.params.docId || req.params.doc_id
if (projectId) {
entry.projectId = projectId
}
if (userId) {
entry.userId = userId
}
if (docId) {
entry.docId = docId
}
return entry
}
function resSerializer(res) {
if (!res) {
return res
}
return {
statusCode: res.statusCode,
headers: {
'content-length': res.getHeader && res.getHeader('content-length'),
},
}
}
function getRemoteIp(req) {
if (req.ip) {
return req.ip
}
if (req.socket) {
if (req.socket.socket && req.socket.socket.remoteAddress) {
return req.socket.socket.remoteAddress
} else if (req.socket.remoteAddress) {
return req.socket.remoteAddress
}
}
return null
}
module.exports = { err: errSerializer, req: reqSerializer, res: resSerializer }