Add 'write' value to FileSystemHandle permission descriptor.mode
#40535
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Content:WebAPI
tomayac
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Jul 25, 2025
files/en-us/web/api/filesystemhandle/requestpermission/index.md
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(comment last updated: 2025-07-25 23:30:44) |
sideshowbarker
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Jul 26, 2025
This was referenced Jul 29, 2025
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Description
The File System Access API defines two access modes for file system entries: "read" and "readwrite". These modes are used when querying or requesting permission to an entry.
An issue with the current model is that operations requiring only file system modification, such as FileSystemHandle.remove(), are forced to request broad "readwrite" permission. This behavior poses some unnecessary security risks. Add a new "write"-only access mode and adjust the existing APIs would solve the issue.
Motivation
Add
'write'value toFileSystemHandlepermissiondescriptor.modeso developers are aware.Additional details
Related issues and pull requests
See https://chromestatus.com/feature/5324970347200512 and https://wicg.github.io/file-system-access/#enumdef-filesystempermissionmode.