overleaf/services/web/app/src/Features/LinkedFiles/ProjectOutputFileAgent.js

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/* eslint-disable
camelcase,
node/handle-callback-err,
max-len,
no-unused-vars,
*/
// TODO: This file was created by bulk-decaffeinate.
// Fix any style issues and re-enable lint.
/*
* decaffeinate suggestions:
* 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 ProjectOutputFileAgent
const AuthorizationManager = require('../Authorization/AuthorizationManager')
const ProjectGetter = require('../Project/ProjectGetter')
const Settings = require('settings-sharelatex')
const CompileManager = require('../Compile/CompileManager')
const ClsiManager = require('../Compile/ClsiManager')
const ProjectFileAgent = require('./ProjectFileAgent')
const _ = require('underscore')
const {
BadDataError,
AccessDeniedError,
BadEntityTypeError,
OutputFileFetchFailedError
} = require('./LinkedFilesErrors')
const LinkedFilesHandler = require('./LinkedFilesHandler')
const logger = require('logger-sharelatex')
module.exports = ProjectOutputFileAgent = {
_prepare(project_id, linkedFileData, user_id, callback) {
if (callback == null) {
callback = function(err, linkedFileData) {}
}
return this._checkAuth(
project_id,
linkedFileData,
user_id,
(err, allowed) => {
if (err != null) {
return callback(err)
}
if (!allowed) {
return callback(new AccessDeniedError())
}
if (!this._validate(linkedFileData)) {
return callback(new BadDataError())
}
return callback(null, linkedFileData)
}
)
},
createLinkedFile(
project_id,
linkedFileData,
name,
parent_folder_id,
user_id,
callback
) {
if (!this._canCreate(linkedFileData)) {
return callback(new AccessDeniedError())
}
linkedFileData = this._sanitizeData(linkedFileData)
return this._prepare(
project_id,
linkedFileData,
user_id,
(err, linkedFileData) => {
if (err != null) {
return callback(err)
}
return this._getFileStream(
linkedFileData,
user_id,
(err, readStream) => {
if (err != null) {
return callback(err)
}
readStream.on('error', callback)
return readStream.on('response', response => {
if (response.statusCode >= 200 && response.statusCode < 300) {
readStream.resume()
return LinkedFilesHandler.importFromStream(
project_id,
readStream,
linkedFileData,
name,
parent_folder_id,
user_id,
function(err, file) {
if (err != null) {
return callback(err)
}
return callback(null, file._id)
}
) // Created
} else {
err = new OutputFileFetchFailedError(
`Output file fetch failed: ${linkedFileData.build_id}, ${linkedFileData.source_output_file_path}`
)
err.statusCode = response.statusCode
return callback(err)
}
})
}
)
}
)
},
refreshLinkedFile(
project_id,
linkedFileData,
name,
parent_folder_id,
user_id,
callback
) {
return this._prepare(
project_id,
linkedFileData,
user_id,
(err, linkedFileData) => {
if (err != null) {
return callback(err)
}
return this._compileAndGetFileStream(
linkedFileData,
user_id,
(err, readStream, new_build_id) => {
if (err != null) {
return callback(err)
}
readStream.on('error', callback)
return readStream.on('response', response => {
if (response.statusCode >= 200 && response.statusCode < 300) {
readStream.resume()
linkedFileData.build_id = new_build_id
return LinkedFilesHandler.importFromStream(
project_id,
readStream,
linkedFileData,
name,
parent_folder_id,
user_id,
function(err, file) {
if (err != null) {
return callback(err)
}
return callback(null, file._id)
}
) // Created
} else {
err = new OutputFileFetchFailedError(
`Output file fetch failed: ${linkedFileData.build_id}, ${linkedFileData.source_output_file_path}`
)
err.statusCode = response.statusCode
return callback(err)
}
})
}
)
}
)
},
_sanitizeData(data) {
return {
provider: data.provider,
source_project_id: data.source_project_id,
source_output_file_path: data.source_output_file_path,
build_id: data.build_id
}
},
_canCreate: ProjectFileAgent._canCreate,
_getSourceProject: LinkedFilesHandler.getSourceProject,
_validate(data) {
if (data.v1_source_doc_id != null) {
return (
data.v1_source_doc_id != null && data.source_output_file_path != null
)
} else {
return (
data.source_project_id != null &&
data.source_output_file_path != null &&
data.build_id != null
)
}
},
_checkAuth(project_id, data, current_user_id, callback) {
if (callback == null) {
callback = function(err, allowed) {}
}
callback = _.once(callback)
if (!this._validate(data)) {
return callback(new BadDataError())
}
return this._getSourceProject(data, function(err, project) {
if (err != null) {
return callback(err)
}
return AuthorizationManager.canUserReadProject(
current_user_id,
project._id,
null,
function(err, canRead) {
if (err != null) {
return callback(err)
}
return callback(null, canRead)
}
)
})
},
_getFileStream(linkedFileData, user_id, callback) {
if (callback == null) {
callback = function(err, fileStream) {}
}
callback = _.once(callback)
const { source_output_file_path, build_id } = linkedFileData
return this._getSourceProject(linkedFileData, function(err, project) {
if (err != null) {
return callback(err)
}
const source_project_id = project._id
return ClsiManager.getOutputFileStream(
source_project_id,
user_id,
build_id,
source_output_file_path,
function(err, readStream) {
if (err != null) {
return callback(err)
}
readStream.pause()
return callback(null, readStream)
}
)
})
},
_compileAndGetFileStream(linkedFileData, user_id, callback) {
if (callback == null) {
callback = function(err, stream, build_id) {}
}
callback = _.once(callback)
const { source_output_file_path } = linkedFileData
return this._getSourceProject(linkedFileData, function(err, project) {
if (err != null) {
return callback(err)
}
const source_project_id = project._id
return CompileManager.compile(source_project_id, user_id, {}, function(
err,
status,
outputFiles
) {
if (err != null) {
return callback(err)
}
if (status !== 'success') {
return callback(new OutputFileFetchFailedError())
}
const outputFile = _.find(
outputFiles,
o => o.path === source_output_file_path
)
if (outputFile == null) {
return callback(new OutputFileFetchFailedError())
}
const build_id = outputFile.build
return ClsiManager.getOutputFileStream(
source_project_id,
user_id,
build_id,
source_output_file_path,
function(err, readStream) {
if (err != null) {
return callback(err)
}
readStream.pause()
return callback(null, readStream, build_id)
}
)
})
})
}
}