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Fix:Static file route check authorization

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advplyr 2023-05-28 09:34:03 -05:00
parent f16e312319
commit b3f19ef628
1 changed files with 17 additions and 2 deletions
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19
server/routers/StaticRouter.js
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@ -18,7 +18,22 @@ class StaticRouter {
const item = this.db.libraryItems.find(ab => ab.id === req.params.id)
if (!item) return res.status(404).send('Item not found with id ' + req.params.id)
const remainingPath = req.params['0']
// Replace backslashes with forward slashes
const remainingPath = req.params['0'].replace(/\\/g, '/')
// Check user has access to this library item
if (!req.user.checkCanAccessLibraryItem(item)) {
Logger.error(`[StaticRouter] User attempted to access library item file without access ${remainingPath}`, req.user)
return res.sendStatus(403)
}
// Prevent path traversal
// e.g. ../../etc/passwd
if (/\/?\.?\.\//.test(remainingPath)) {
Logger.error(`[StaticRouter] Invalid path to get library item file "${remainingPath}"`)
return res.sendStatus(403)
}
const fullPath = item.isFile ? item.path : Path.join(item.path, remainingPath)
// Allow reverse proxy to serve files directly
@ -28,7 +43,7 @@ class StaticRouter {
return res.status(204).header({ 'X-Accel-Redirect': global.XAccel + fullPath }).send()
}
var opts = {}
let opts = {}
// Express does not set the correct mimetype for m4b files so use our defined mimetypes if available
const audioMimeType = getAudioMimeTypeFromExtname(Path.extname(fullPath))