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Forum Discussion
Download files as blob using dropbox chooser
So I have integrated dropbox into my react app and my app successfully opens a dropbox dialog box, signs in users and list their files and folders. I am facing issues with the downloading of the sele...
By "not working" I meant the error I was getting Access to XMLHttpRequest at https://www.dropbox.com/s/97110ukmvhj7s9s/SOME_PDF.pdf?dl=0 from origin http://localhost:3000 has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource.
I have already set :
- Redirect URIs=http://localhost:3000
- Chooser / Saver / Embedder domains=localhost
in the app console for my app for development purposes.
I have already tried to set linkType to "direct" previously but then I got a pop-up box showing Uh oh! Seems like this widget is not configured properly.
Cannot enable both folder select and direct links. Before that everything was working except the issue I posted here.
And I also didn't get what you mean by URL parsing stuff.
Greg-DB
Dropbox Staff
Dropbox StaffI see, thanks for the additional information. Unfortunately the Dropbox Chooser doesn't support direct links for folders, but I'll pass this along as a feature request. I can't promise if or when that might be implemented though.
And Dropbox shared links on www.dropbox.com themselves unfortunately don't support CORS, so I'm afraid I don't have a good solution to offer here.
In any case, regarding the URL parsing, the code you shared could result in an incorrect URL like "https://www.dropbox.com/s/97110ukmvhj7s9s/SOME_PDF.pdf?dl=0?dl=1", instead of the correct "https://www.dropbox.com/s/97110ukmvhj7s9s/SOME_PDF.pdf?dl=1", since you're just appending instead of replacing the URL parameter, if already present.
- Ohh I actually tried to get around that but still got CORS error and I'm confused about direct and shared links they are not working in the way I want as you are saying it's a feature yet to implement then why url of the content is included as a response when a file is selected?
What should I do is there any workaround that you can suggest??- Greg-DB
The "preview" links are typically meant for manual use, where CORS wouldn't be relevant.
Dropbox does also support those "dl" and "raw" parameters on preview/shared links, but that would only work in non-CORS environments, e.g., downloading a file on a server, not in a browser.
As for a workaround, you would need to perform this in a non-CORS environment like, such as using a local non-browser client, like curl, or on a server of your own. That would be more work though. Apologies I don't have a better solution to offer.
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