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Update hotlinking documentation

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This commit is contained in:
Wim Brand
2025-02-24 20:26:23 +01:00
parent 79be8f7e89
commit d602fc96c5
3 changed files with 64 additions and 131 deletions
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63
res/include/md/about.md
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@@ -4,16 +4,27 @@
## For how long will my files be stored?
Files will be removed if they have not been viewed for 120 days. A view is
counted when someone visits the file's download page (pixeldrain.com/u/somefile)
or views the file through a list the file is included in
(pixeldrain.com/l/somelist).
Files will be removed if they have not been accessed for 120 days. When a file
is downloaded the expiry time is reset to 120 days from the current day. This
only happens when someone downloads more than 1% of the whole file in a single
request. So if you have a 5 GB file the timer is only extended when you download
at least 50 MB. The expiry timer is not updated when it was already updated
within the last 24 hours.
If you upload a file while logged into your pixeldrain account you will be able
to delete the file yourself from the download page of the file. If you are not
logged in and you accidentally upload something you shouldn't have, just don't
share the link. The file will expire eventually. File links are not indexed or
published anywhere. As long as you don't share it nobody will see it.
File expiry is often seen as a downside of pixeldrain. But keep in mind that 120
days is a very long time. Roughly four months. This means that you can keep a
file active for an entire year by only downloading it three times. Files which
are only very sporadically downloaded can stay online indefinitely. All this
time the file is using storage space and processing power on our servers, which
costs real money.
If you would like to use pixeldrain for backups or long term storage, then the
free plan is _not the way to go_. It is only meant for publicly sharing files.
For real storage you should use the [pixeldrain filesystem](/filesystem).
If you are (ab)using pixeldrain for free storage, you should not be surprised
when the rules change at some point and all your stuff suddenly disappears. That
would never happen when using pixeldrain's filesystem.
## What cookies does pixeldrain use?
@@ -25,9 +36,9 @@ When you use the style selector on the [Appearance](/appearance) page a cookie
called 'style' will be set. This cookie controls the appearance of the website
for you.
When uploading a file pixeldrain will save a list of file links on your
browser's local storage. This data is **only** used for viewing your upload
history on the [history page](/history).
Pixeldrain does not use tracking cookies. We also don't use fingerprinting to
track our users. The only information that is saved is the information that you
manually enter or upload.
## How does the transfer limit work?
@@ -63,6 +74,34 @@ transfer limit. If you want to limit how much of your transfer cap others can
use then you can configure a limit on the [sharing settings
page](/user/sharing).
If the person who downloads the file also has a premium account then their own
data cap will be used first.
## How does hotlinking work?
Hotlinking happens when someone downloads a file from pixeldrain without
visiting the pixeldrain website. This can be through embedding media files on
third party websites, or using download managers to download files directly.
Pixeldrain has a "hotlink protection mode". This activates when we detect that a
file is being hotlinked while neither the downloader nor the uploader of the
file has a premium subscription. When this happens a CAPTCHA test will appear on
the file's download page, and the file can only be downloaded once the CAPTCHA
is solved. When enough people complete the test the hotlink protection will be
removed and the file can be downloaded normally again.
There are two reasons why we implemented hotlink protection:
File hosting services are often used to spread malware and other nefarious data,
hotlink protection makes it significantly harder for people to abuse the service
in this way. This was the original motivation for implementing hotlink
protection, it has been very effective at preventing digital attacks.
Hotlinking also uses pixeldrain's bandwidth and processing power without letting
the user know that they are using pixeldrain. People who don't know that they
are using pixeldrain are less likely to purchase a premium plan. The download
page is our primary source of new customers, we need to make sure it is seen.
## Will premium improve my download speed?
No, the download speed is limited by the stability of the connection between