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Chunked download via Chooser
If a user uses the dropbox chooser to select a file, in order to copy it to another system, is it possible to use the link to download the file in chunks.
We tried using the range HTTP parameter but it seemed to be ignored and returned the full file.
Also is there a limit to the amount of data that can be returned from the HTTP get?
This is the sort of link we are using ( returned from the chooser)
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- Greg-DB
Dropbox Community Moderator
Using the Range header would be the right way to limit the return size, and download files in chunks.
The best solution here is to use the "direct" link type, which gives you a direct link to the file content, as opposed to the "preview" link type, as you have in your post. The preview link type gives you a link to a preview page, as opposed to the content itself, so you can't directly use a Range request. You can find more information on the link types here.
If you can't use the direct link type for some reason (e.g., if the four hour expiration is too short for your app), you can technically make this work with the preview link type. To do so, you can first request the preview link with the dl=1 or raw=1 URL parameter, instead of dl=0, as documented here. Then you can issue a Range request to the returned URL (which should start with https://dl.dropboxusercontent.com/content_link/)
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