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[[!meta robots="noindex, follow"]]
[[!if test="enabled(attachment)"
then="This wiki has attachments enabled."
else="This wiki has attachments disabled."]]
If attachments are enabled, the wiki admin can control what types of
attachments will be accepted, by entering a [[ikiwiki/PageSpec]] in the
"Allowed Attachments" field of their preferences page.
For example, to limit arbitrary files to 50 kilobytes, but allow
larger mp3 files to be uploaded by joey, a something like this could be
used:
(user(joey) and *.mp3 and mimetype(audio/mpeg) and maxsize(15mb)) or (!ispage() and maxsize(50kb))
The regular [[ikiwiki/PageSpec]] syntax is expanded with thw following
additional tests:
-
maxsize(size)
Tests whether the attachment is no larger than the specified size.
The size defaults to being in bytes, but "kb", "mb", "gb" etc can be
used to specify the units.
-
minsize(size)
Tests whether the attachment is no smaller than the specified size.
-
ispage()
Tests whether the attachment will be treated by ikiwiki as a wiki page.
(Ie, if it has an extension of ".mdwn", or of any other enabled page
format).
So, if you don't want to allow wiki pages to be uploaded as attachments,
use !ispage() ; if you only want to allow wiki pages to be uploaded
as attachments, use ispage().
-
user(username)
Tests whether the attachment is being uploaded by a user with the
specified username. If openid is enabled, an openid can also be put here.
-
ip(address)
Tests whether the attacment is being uploaded from the specified IP
address.
-
mimetype(foo/bar)
This checks the MIME type of the attachment. You can include a glob
in the type, for example mimetype(image/*).
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