Learn more. Amazon S3 Change file download name Ask Question. Asked 11 years, 8 months ago. Active 7 months ago. Viewed 51k times. I want to avoid creating a bucket per user as we will have a lot of users and still no guarantee each file with in each bucket will have a unique name Any other solutions? Improve this question. Community Bot 1 1 1 silver badge. Daveo Daveo Another legit SO question that's closed as off-topic!
Yes, it's obviously more important that we try to organize things somewhat arbitrarily in the face of the fact it's not guaranteed to make sense in the future or even now. What happened when people just had fun asking and answering questions related to the software industry? Who actually finds the answer because of this organization? Who finds any organizational structure in software consistent and clearly defined across the industry? Without this clear definition that will last a significant amount of time organizing it is a fairly stupid waste of time I find this answer, I have no issue with this organization.
Add a comment. Active Oldest Votes. Improve this answer. Take a look at the answer below, since January it is also possible on a per GET request basis. So it's possible to have as many "user filenames" as you want. In c : request. I'm getting The request signature we calculated does not match the signature you provided. Check your key and signing method.
Show 3 more comments. While the accepted answer is correct I find it very abstract and hard to utilize. Pawel Pawel 2, 21 21 silver badges 23 23 bronze badges. Maybe it's not obvious, I will try to explain better. The idea is that I keep list of names of uploaded files in database, and then when someone wants to download it I execute lambda with a originalFilename as parameter.
Header value cannot be represented using ISO Uriah Carpenter Uriah Carpenter 6, 30 30 silver badges 28 28 bronze badges. Thanks for this, I was able translate this to use in my VB. NET project as: request. Abhishek Basak Abhishek Basak 1 1 silver badge 3 3 bronze badges. Chris Mcdonald Chris Mcdonald 19 1 1 bronze badge.
Udi Udi YugoAmaryl YugoAmaryl 5 5 silver badges 15 15 bronze badges. There are lots of different approaches we could have taken to avoid this issue, but we chose a very simple one—at upload time, we name the file with a UUID. This approach works fine for all files that are consumed solely by a machine, but some of the assets are meant to involve the user in some respect.
For example, PDFs of books and zip files of accompanying materials. Providing a user with a PDF named ac1fbecadd And readers are sure to be reaching back into this weighty tome for years to come. One of these headers is known as Content-Disposition , and it describes what the recipient should do with the content: should it be displayed inline in the browser, or downloaded as an attachment and saved as a file.
These include the headers that will be sent to a client when it is requested. Content-Type will already be populated—this would have been sent by your browser when you uploaded the file in the first place.
The old one looks quite different, but offers identical functionality in this regard. Although, as ever, CDNs may take some time to update their caches, dependent on how you have it configured. Every time somebody uploads a file that should be downloaded through our admin interface, somebody has to pop into the S3 console and update the Content-Disposition header on that file.
When you upload a file to S3, it stores the relevant headers as metadata. For example the Content-Type field that you saw in the previous section. Therefore, we can reduce this problem to simply specifying the Content-Disposition header at the same time. It is actually fairly easy, although it took me a while to figure out precisely what we needed to do.
We have an endpoint in the app which generates this URL, passes it back to the client, which in turn attempts to upload the file the user selected to this URL.
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