Clicking files in embedded Dropbox leads to registration screen instead of direct download

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Greg-DB wrote:

ЗдравкоThe URL to a particular file, with the file in the path of the URL, should point to the file in particular, and support downloading just that file in particular when using dl=1. I tried that and it did work for me.

...

Hm...🤔 It's fine that it did work for you, it don't work for me though. 🤷 Yes, I understand the examples you gave me, but I'm trying with the link I posted above. Two examples follows - using curl and Firefox (I cut some parts for clarity).

Here is curl result:

  Trying 162.125.69.18:443...
* Connected to www.dropbox.com (162.125.69.18) port 443 (#0)
...
> GET /scl/fo/25bzgyfsnf7ewps37i25i/h/GOLF-P-WE-AU-BLACK/%231134_GOLF-P-WE-AU-BLACK.eps?rlkey=lg5fi44eft8u5u5lnjcarhdzj&dl=1 HTTP/2
> Host: www.dropbox.com
> user-agent: curl/7.81.0
> accept: */*
> 
...
< HTTP/2 302 
< content-type: text/html; charset=utf-8
< location: https://www.dropbox.com/scl/fo/25bzgyfsnf7ewps37i25i/h?dl=1&rlkey=lg5fi44eft8u5u5lnjcarhdzj
< pragma: no-cache
< referrer-policy: strict-origin-when-cross-origin
...
< x-dropbox-request-id: f8384f71b3c6489ca429a77235e46a6a
< 
...
> GET /scl/fo/25bzgyfsnf7ewps37i25i/h?dl=1&rlkey=lg5fi44eft8u5u5lnjcarhdzj HTTP/2
> Host: www.dropbox.com
> user-agent: curl/7.81.0
> accept: */*
> 
...
< HTTP/2 302 
< content-type: text/html; charset=utf-8
< location: https://uc23afd9ebc7da3e839dd61472d1.dl.dropboxusercontent.com/zip_download_get/B0UJkehYIkc4NCs7x-5Ru2rwCONfHUxVI_yMMLDk4FdqQiSazhbrYILXZhtEnsR7c_0UVD4xltif1PmBDIOqXT8FV_oKUvDnbQVWRj8MbXXb2A#
< pragma: no-cache
< referrer-policy: strict-origin-when-cross-origin
...
< x-dropbox-request-id: 94824c8a0945494a9d157b543251e9f7
< 
...
> GET /zip_download_get/B0UJkehYIkc4NCs7x-5Ru2rwCONfHUxVI_yMMLDk4FdqQiSazhbrYILXZhtEnsR7c_0UVD4xltif1PmBDIOqXT8FV_oKUvDnbQVWRj8MbXXb2A HTTP/2
> Host: uc23afd9ebc7da3e839dd61472d1.dl.dropboxusercontent.com
> user-agent: curl/7.81.0
> accept: */*
> 
...
< HTTP/2 200 
< content-type: application/zip
< cache-control: max-age=0
< content-disposition: attachment; filename="#1134.zip"; filename*=UTF-8''%231134.zip
< original-content-length: 252188
< pragma: public
< referrer-policy: no-referrer
...
< x-dropbox-request-id: 09d96923cc4c4a8799c18fc3e493b255
< 

 And here is Firefox result:

GET /scl/fo/25bzgyfsnf7ewps37i25i/h/GOLF-P-WE-AU-BLACK/%231134_GOLF-P-WE-AU-BLACK.eps?rlkey=lg5fi44eft8u5u5lnjcarhdzj&dl=1 HTTP/2
Host: www.dropbox.com
User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:123.0) Gecko/20100101 Firefox/123.0
...
HTTP/2 302 
content-type: text/html; charset=utf-8
location: https://www.dropbox.com/scl/fo/25bzgyfsnf7ewps37i25i/h?dl=1&rlkey=lg5fi44eft8u5u5lnjcarhdzj
pragma: no-cache
referrer-policy: strict-origin-when-cross-origin
...
x-dropbox-request-id: 52a873ae1aa64d4eaff23d74038f9c6e
...
GET /scl/fo/25bzgyfsnf7ewps37i25i/h?dl=1&rlkey=lg5fi44eft8u5u5lnjcarhdzj HTTP/2
Host: www.dropbox.com
User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:123.0) Gecko/20100101 Firefox/123.0
...
HTTP/2 302 
content-type: text/html; charset=utf-8
location: https://uce1c6fed04edc93ba42aed539fc.dl.dropboxusercontent.com/zip_download_get/B0WB6Ib2rn4mBNQKw1Y-jE_Fe7hnwmTa3YiTbfOOkew1WHmhzxGzk-BNLOsdnVEaag-cvlqrS5tGkeOJQTfx3LwQoqLCfKzFBlz29w9VtiCSLg#
pragma: no-cache
referrer-policy: strict-origin-when-cross-origin
...
x-dropbox-request-id: 07d17b937a7942ba86e649126517a835
...
GET /zip_download_get/B0WB6Ib2rn4mBNQKw1Y-jE_Fe7hnwmTa3YiTbfOOkew1WHmhzxGzk-BNLOsdnVEaag-cvlqrS5tGkeOJQTfx3LwQoqLCfKzFBlz29w9VtiCSLg HTTP/2
Host: uce1c6fed04edc93ba42aed539fc.dl.dropboxusercontent.com
User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:123.0) Gecko/20100101 Firefox/123.0
...
HTTP/2 200 
content-type: application/zip
cache-control: max-age=0
content-disposition: attachment; filename="#1134.zip"; filename*=UTF-8''%231134.zip
original-content-length: 252188
pragma: public
referrer-policy: no-referrer
...
x-dropbox-request-id: c98eac79aefc4fee94cf207343cf97ce
X-Firefox-Spdy: h2

It is 100% repeatable! Few more groups of x-dropbox-request-id if could be useful to identify what's going on:

c3cee03ed1ee40188328d460eda288d6, 15eba251a8264d8f978d07e8c93d27ca, 63e8a5985be94d51bbdec370ad661328

7a96542d82be4af09b18017366587b4e, c3af3bc2f45d4b1885e2b7366ac0e7bc, 81c01b5a3c8746da8f1bf6f992a11246

586cddd3a4b54d6fb320dfae28c96170, e94ecc4e9f914b20a0ce60d2d278b459, efc81fabe5b1485b970ea6efe9098b09

That came up from nothing...😕 Can you take a look what's up? 🧐 As seems this appears selectively - for some links only (I cannot see still what provokes this behavior).

Thanks.