86 lines
2.1 KiB
JavaScript
86 lines
2.1 KiB
JavaScript
const fs = require('fs')
|
|
const path = require('path')
|
|
const SRIToolbox = require('sri-toolbox')
|
|
const getFileContentType = require('./getFileContentType')
|
|
const getFileStats = require('./getFileStats')
|
|
const getFileType = require('./getFileType')
|
|
|
|
function getEntries(dir, file, maximumDepth) {
|
|
return new Promise((resolve, reject) => {
|
|
fs.readdir(path.join(dir, file), function(error, files) {
|
|
if (error) {
|
|
reject(error)
|
|
} else {
|
|
resolve(
|
|
Promise.all(
|
|
files.map(f => getFileStats(path.join(dir, file, f)))
|
|
).then(statsArray => {
|
|
return Promise.all(
|
|
statsArray.map((stats, index) =>
|
|
getMetadataRecursive(
|
|
dir,
|
|
path.join(file, files[index]),
|
|
stats,
|
|
maximumDepth - 1
|
|
)
|
|
)
|
|
)
|
|
})
|
|
)
|
|
}
|
|
})
|
|
})
|
|
}
|
|
|
|
function formatTime(time) {
|
|
return new Date(time).toISOString()
|
|
}
|
|
|
|
function getIntegrity(file) {
|
|
return new Promise((resolve, reject) => {
|
|
fs.readFile(file, function(error, data) {
|
|
if (error) {
|
|
reject(error)
|
|
} else {
|
|
resolve(SRIToolbox.generate({ algorithms: ['sha384'] }, data))
|
|
}
|
|
})
|
|
})
|
|
}
|
|
|
|
function getMetadataRecursive(dir, file, stats, maximumDepth) {
|
|
const metadata = {
|
|
lastModified: formatTime(stats.mtime),
|
|
contentType: getFileContentType(file),
|
|
path: file,
|
|
size: stats.size,
|
|
type: getFileType(stats)
|
|
}
|
|
|
|
if (stats.isFile()) {
|
|
return getIntegrity(path.join(dir, file)).then(integrity => {
|
|
metadata.integrity = integrity
|
|
return metadata
|
|
})
|
|
}
|
|
|
|
if (!stats.isDirectory() || maximumDepth === 0)
|
|
return Promise.resolve(metadata)
|
|
|
|
return getEntries(dir, file, maximumDepth).then(files => {
|
|
metadata.files = files
|
|
return metadata
|
|
})
|
|
}
|
|
|
|
function getMetadata(baseDir, path, stats, maximumDepth, callback) {
|
|
getMetadataRecursive(baseDir, path, stats, maximumDepth).then(function(
|
|
metadata
|
|
) {
|
|
callback(null, metadata)
|
|
},
|
|
callback)
|
|
}
|
|
|
|
module.exports = getMetadata
|