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https://github.com/BookStackApp/BookStack.git
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7224fbcc89
- Files within the storage/ path could be accessed via path traversal
references in content, accessed upon HTML export.
- This addresses this via two layers:
- Scoped local flysystem filesystems down to the specific image &
file folders since flysystem has built-in checking against the
escaping of the root folder.
- Added path normalization before enforcement of uploads/{images,file}
prefix to prevent traversal at a path level.
Thanks to @Haxatron via huntr.dev for discovery and reporting.
Ref: https://huntr.dev/bounties/ac268a17-72b5-446f-a09a-9945ef58607a/
63 lines
2.0 KiB
PHP
63 lines
2.0 KiB
PHP
<?php
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/**
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* Filesystem configuration options.
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*
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* Changes to these config files are not supported by BookStack and may break upon updates.
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* Configuration should be altered via the `.env` file or environment variables.
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* Do not edit this file unless you're happy to maintain any changes yourself.
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*/
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return [
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// Default Filesystem Disk
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// Options: local, local_secure, s3
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'default' => env('STORAGE_TYPE', 'local'),
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// Filesystem to use specifically for image uploads.
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'images' => env('STORAGE_IMAGE_TYPE', env('STORAGE_TYPE', 'local')),
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// Filesystem to use specifically for file attachments.
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'attachments' => env('STORAGE_ATTACHMENT_TYPE', env('STORAGE_TYPE', 'local')),
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// Storage URL
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// This is the url to where the storage is located for when using an external
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// file storage service, such as s3, to store publicly accessible assets.
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'url' => env('STORAGE_URL', false),
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// Default Cloud Filesystem Disk
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'cloud' => 's3',
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// Available filesystem disks
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// Only local, local_secure & s3 are supported by BookStack
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'disks' => [
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'local' => [
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'driver' => 'local',
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'root' => public_path(),
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],
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'local_secure_attachments' => [
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'driver' => 'local',
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'root' => storage_path('uploads/files/'),
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],
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'local_secure_images' => [
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'driver' => 'local',
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'root' => storage_path('uploads/images/'),
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],
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's3' => [
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'driver' => 's3',
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'key' => env('STORAGE_S3_KEY', 'your-key'),
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'secret' => env('STORAGE_S3_SECRET', 'your-secret'),
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'region' => env('STORAGE_S3_REGION', 'your-region'),
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'bucket' => env('STORAGE_S3_BUCKET', 'your-bucket'),
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'endpoint' => env('STORAGE_S3_ENDPOINT', null),
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'use_path_style_endpoint' => env('STORAGE_S3_ENDPOINT', null) !== null,
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],
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],
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];
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