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.
+attachments will be accepted, via the `allowed_attachments`
+configuration setting.
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:
+larger mp3 files to be uploaded by joey into a specific directory, and
+check all attachments for virii, something like this could be used:
- (user(joey) and *.mp3 and mimetype(audio/mpeg) and maxsize(15mb)) or (!ispage() and maxsize(50kb))
+ virusfree() and ((user(joey) and podcast/*.mp3 and mimetype(audio/mpeg) and maxsize(15mb)) or (!ispage() and maxsize(50kb)))
-The regular [[ikiwiki/PageSpec]] syntax is expanded with thw following
+The regular [[ikiwiki/PageSpec]] syntax is expanded with the following
additional tests:
* maxsize(size)
This checks the MIME type of the attachment. You can include a glob
in the type, for example `mimetype(image/*)`.
+
+* virusfree()
+
+ Checks the attachment with an antiviral program.