This reverts commit cc98f947cc3ddd86dc001e19a75b41daf1f0524a

[git.ikiwiki.info.git] / doc / plugins / htmlscrubber.mdwn

diff --git a/doc/plugins/htmlscrubber.mdwn b/doc/plugins/htmlscrubber.mdwn
index d7bcf8099e00e3dd116bddd60ab67c8082639f1f..080575c463e0e531ba2717989a966b93221e7fb5 100644 (file)
--- a/doc/plugins/htmlscrubber.mdwn
+++ b/doc/plugins/htmlscrubber.mdwn
@@ -1,5 +1,5 @@
-[[template id=plugin name=htmlscrubber core=1 author="[[Joey]]"]]
-[[tag type/html]]
+[[!template id=plugin name=htmlscrubber core=1 author="[[Joey]]"]]
+[[!tag type/html]]

 
 This plugin is enabled by default. It sanitizes the html on pages it renders
 to avoid XSS attacks and the like.
 
 This plugin is enabled by default. It sanitizes the html on pages it renders
 to avoid XSS attacks and the like.


@@ -9,7 +9,11 @@ whitelisted using the same lists as used by Mark Pilgrim's Universal Feed
 Parser, documented at <http://feedparser.org/docs/html-sanitization.html>.
 Notably it strips `style` and `link` tags, and the `style` attribute.
 
 Parser, documented at <http://feedparser.org/docs/html-sanitization.html>.
 Notably it strips `style` and `link` tags, and the `style` attribute.
 

-It uses the [[cpan HTML::Scrubber]] perl module to perform its html
+All attributes that can be used to specify an url are checked to make sure
+that the url is in a known, safe scheme, and to block embedded javascript
+in such urls.
+
+It uses the [[!cpan HTML::Scrubber]] perl module to perform its html

 sanitisation, and this perl module also deals with various entity encoding
 tricks.
 
 sanitisation, and this perl module also deals with various entity encoding
 tricks.
 


@@ -23,9 +27,16 @@ The web's security model is *fundamentally broken*; ikiwiki's html
 sanitisation is only a patch on the underlying gaping hole that is your web
 browser.
 
 sanitisation is only a patch on the underlying gaping hole that is your web
 browser.
 

-Note that enabling or disabling the htmlscrubber plugin also affects some other
-HTML-related functionality, such as whether [[meta]] allows potentially unsafe
-HTML tags.
+Note that enabling or disabling the htmlscrubber plugin also affects some
+other HTML-related functionality, such as whether [[meta]] allows
+potentially unsafe HTML tags.
+
+The `htmlscrubber_skip` configuration setting can be used to skip scrubbing
+of some pages. Set it to a [[ikiwiki/PageSpec]], such as 
+"posts/* and !comment(*) and !*/Discussion", and pages matching that can have
+all the evil CSS, JavsScript, and unsafe html elements you like. One safe
+way to use this is to use [[lockedit]] to lock those pages, so only admins
+can edit them.

 
 ----
 
 
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