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authorJoey Hess <joey@kodama.kitenet.net>2008-07-02 18:04:14 -0400
committerJoey Hess <joey@kodama.kitenet.net>2008-07-02 18:22:49 -0400
commit2888b0355682c8dbd5bc50767210e5c0c6a700ce (patch)
tree2892172e7b51037a42c28f11bb21ef4814534f59 /doc/ikiwiki
parentc150590e275b21945bc50eeecf4331c48252f6f2 (diff)
move attachment pagespec extensions docs to its own page
in the basewiki, so I can link to it there
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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/*)`.