X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/84e6c4fa665703133b5778e92c045897df496e97..0a09638f968f1b6c82b74ede4caa87461721e7d6:/doc/plugins/attachment.mdwn diff --git a/doc/plugins/attachment.mdwn b/doc/plugins/attachment.mdwn index 01816cd5c..ce04bcd2f 100644 --- a/doc/plugins/attachment.mdwn +++ b/doc/plugins/attachment.mdwn @@ -1,4 +1,4 @@ -[[template id=plugin name=conditional core=1 author="[[Joey]]"]] +[[template id=plugin name=attachment core=0 author="[[Joey]]"]] [[tag type/useful]] This plugin allows files to be uploaded to the wiki over the web. @@ -20,51 +20,15 @@ Bear in mind that if you let anyone upload a particular kind of file contains html as a web page; including running any malicious javascript embedded in that page. -To provide a way to combat these abuses, the wiki admin can specify a -[[ikiwiki/PageSpec]] on their preferences page, to control what types of -attachments can be uploaded, and by whom. The regular [[ikiwiki/PageSpec]] -syntax is expanded with additional tests. +If you enable this plugin, be sure to lock that down, by entering an +[[enhanced_PageSpec|ikiwiki/pagespec/attachment]] in the "Allowed +Attachments" field of the wiki admin's preferences page. -For example, to limit arbitrary files to 50 kilobytes, but allow -larger mp3 files to be uploaded by joey, a test like this could be -used: - - (user(joey) and *.mp3 and mimetype(audio/mpeg) and maxsize(15mb)) or (!ispage() and maxsize(50kb)) +This plugin will use the [[cpan File::MimeInfo::Magic]] perl module, if +available, for mimetype checking. -The following additional tests are available: - -* 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) - - If the [[cpan File::MimeInfo::Magic]] perl module is installed, this - allows checking the mime type of the attachment. You can include a glob - in the type, for example `mimetype(image/*)`. +The `virusfree` [[PageSpec|ikiwiki/pagespec/attachment]] requires that +ikiwiki be configured with a virus scanner program via the `virus_checker` +option in the setup file. If using `clamav`, with `clamd`, set it to +"clamdscan -". Or to use clamav without the `clamd` daemon, you +could set it to "clamscan -".