overleaf/services/track-changes/app/coffee/MongoAWS.coffee

122 lines
3.2 KiB
CoffeeScript

settings = require "settings-sharelatex"
child_process = require "child_process"
mongoUri = require "mongo-uri";
logger = require "logger-sharelatex"
AWS = require 'aws-sdk'
fs = require 'fs'
S3S = require 's3-streams'
module.exports = MongoAWS =
archiveDocHistory: (project_id, doc_id, callback = (error) ->) ->
MongoAWS.mongoExportDocHistory doc_id, (error, filepath) ->
MongoAWS.s3upStream project_id, doc_id, filepath, callback
#delete temp file?
unArchiveDocHistory: (project_id, doc_id, callback = (error) ->) ->
MongoAWS.s3downStream project_id, doc_id, (error, filepath) ->
if error == null
MongoAWS.mongoImportDocHistory filepath, callback
#delete temp file?
else
callback
mongoExportDocHistory: (doc_id, callback = (error, filepath) ->) ->
uriData = mongoUri.parse(settings.mongo.url);
filepath = settings.path.dumpFolder + '/' + doc_id + '.jsonUp'
args = []
args.push '-h'
args.push uriData.hosts[0]
args.push '-d'
args.push uriData.database
args.push '-c'
args.push 'docHistory'
args.push '-q'
args.push "{doc_id: ObjectId('#{doc_id}') , expiresAt: {$exists : false} }"
args.push '-o'
args.push filepath
proc = child_process.spawn "mongoexport", args
proc.on "error", callback
stderr = ""
proc.stderr.on "data", (chunk) -> stderr += chunk.toString()
proc.on "close", (code) ->
if code == 0
return callback(null,filepath)
else
return callback(new Error("mongodump failed: #{stderr}"),null)
mongoImportDocHistory: (filepath, callback = (error) ->) ->
uriData = mongoUri.parse(settings.mongo.url);
args = []
args.push '-h'
args.push uriData.hosts[0]
args.push '-d'
args.push uriData.database
args.push '-c'
args.push 'docHistory'
args.push '--file'
args.push filepath
proc = child_process.spawn "mongoimport", args
proc.on "error", callback
stderr = ""
proc.stderr.on "data", (chunk) -> stderr += chunk.toString()
proc.on "close", (code) ->
if code == 0
return callback(null,filepath)
else
return callback(new Error("mongodump failed: #{stderr}"),null)
s3upStream: (project_id, doc_id, filepath, callback = (error) ->) ->
AWS.config.update {
accessKeyId: settings.filestore.s3.key
secretAccessKey: settings.filestore.s3.secret
}
upload = S3S.WriteStream new AWS.S3(), {
"Bucket": settings.filestore.stores.user_files,
"Key": project_id+"/changes-"+doc_id
}
fs.createReadStream(filepath)
.on 'open', (obj) ->
return 1
.pipe(upload)
.on 'finish', () ->
return callback(null)
.on 'error', (err) ->
return callback(err)
s3downStream: (project_id, doc_id, callback = (error, filepath) ->) ->
filepath = settings.path.dumpFolder + '/' + doc_id + '.jsonDown'
AWS.config.update {
accessKeyId: settings.filestore.s3.key
secretAccessKey: settings.filestore.s3.secret
}
download = S3S.ReadStream new AWS.S3(), {
"Bucket": settings.filestore.stores.user_files,
"Key": project_id+"/changes-"+doc_id
}
download
.on 'open', (obj) ->
return 1
.pipe(fs.createWriteStream(filepath))
.on 'finish', () ->
return callback(null, filepath)
.on 'error', (err) ->
return callback(err, null)