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Share Link Redirect URL has no Content-Length
I'm trying to get the filesize from a shared link: Looking at the answer to [this post] - the shared link creates a redirect to the file, which should provide a filesize in the headers.. It ...
- I don't believe there is a way to find out the size ahead of time unfortunately.
Greg-DB
Dropbox Staff
Dropbox StaffMy sample there is still returning Content-Length for me. Can you share a sample and output that isn't working as expected for you? Thanks in advance!
Hi Greg,
heres my output
$ curl -I https://www.dropbox.com/sh/j1msw4e8dup2c5q/AAANYUWXcyBDgxVGkveU7AFla?dl=1 HTTP/1.1 302 Found Server: nginx Date: Thu, 30 Nov 2017 11:03:23 GMT Content-Type: text/html; charset=utf-8 Connection: keep-alive Cache-Control: no-cache Content-Security-Policy: sandbox Location: https://dl.dropboxusercontent.com/content_link_zip/liyObwdrElvSIeElexmq1AqHMTZhWtSFoGu0KKJOo63xs0INfWNSflheo9qjap41/file Pragma: no-cache Referrer-Policy: origin-when-cross-origin Set-Cookie: locale=en; Domain=dropbox.com; expires=Tue, 29 Nov 2022 11:03:23 GMT; Path=/; secure Set-Cookie: gvc=Mjk4NTU0NTY4OTI3NDA1ODI1NDAzMTI2Mjk5ODM5MTkxNzY2NDU0; expires=Tue, 29 Nov 2022 11:03:23 GMT; httponly; Path=/; secure Set-Cookie: flash=; Domain=dropbox.com; expires=Thu, 30 Nov 2017 11:03:23 GMT; Path=/; secure Set-Cookie: puc=; expires=Thu, 30 Nov 2017 11:03:23 GMT; httponly; Path=/; secure Set-Cookie: bang=; Domain=dropbox.com; expires=Thu, 30 Nov 2017 11:03:23 GMT; Path=/; secure Set-Cookie: t=Xdr_KsdQvptCBofiAcYwgGSY; Domain=dropbox.com; expires=Sun, 29 Nov 2020 11:03:23 GMT; httponly; Path=/; secure Set-Cookie: __Host-js_csrf=Xdr_KsdQvptCBofiAcYwgGSY; expires=Sun, 29 Nov 2020 11:03:23 GMT; Path=/; secure X-Content-Type-Options: nosniff X-Dropbox-Request-Id: 760ad66de5a8c9aa75c7e535a0491e38 X-Frame-Options: DENY X-Robots-Tag: noindex, nofollow, noimageindex X-Xss-Protection: 1; mode=block Strict-Transport-Security: max-age=15552000; includeSubDomains
and then if i try the redirect link directly (from the Location: xxx in the above)
$ curl -I https://dl.dropboxusercontent.com/content_link_zip/liyObwdrElvSIeElexmq1AqHMTZhWtSFoGu0KKJOo63xs0INfWNSflheo9qjap41/file HTTP/1.1 200 OK Server: nginx Date: Thu, 30 Nov 2017 11:03:45 GMT Content-Type: application/zip Connection: keep-alive referrer-policy: no-referrer x-robots-tag: noindex, nofollow, noimageindex content-disposition: attachment; filename="AscentShared.zip"; filename*=UTF-8''AscentShared.zip set-cookie: uc_session=ouN6cNB5FrD7Kf0nDpzHHCXY6wLIJFZ2rRVH6pmLHsdY1JLMkHnoHzPQBCKnG1Pw; Domain=dropboxusercontent.com; httponly; Path=/; secure content-security-policy: referrer no-referrer x-dropbox-request-id: d3e420b20a4f94e73d00a6cc078b74c7 pragma: public cache-control: max-age=0 x-content-security-policy: referrer no-referrer x-webkit-csp: referrer no-referrer X-Server-Response-Time: 557 Strict-Transport-Security: max-age=15552000; includeSubDomains
Content-Length is not required, Your shared link is a folder then Dropbox is probably dynamically zipping it, that is probably the reason why it have not a length
- Greg-DBThat's correct, my sample was a link for a file, so it can offer a Content-Length. Your example is a link for a folder, which is compressed on the fly, so the Content-Length isn't available.
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