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Do not duplicate nofollow attribute in transform.

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Signed-off-by: Edward Z. Yang <ezyang@mit.edu>
This commit is contained in:
Edward Z. Yang 2011-06-11 15:52:02 +01:00
parent 35b1fbce01
commit 820d6e9097
3 changed files with 13 additions and 1 deletions
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2
NEWS
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@ -15,6 +15,8 @@ NEWS ( CHANGELOG and HISTORY ) HTMLPurifier
- Color keywords are now case insensitive. Thanks Yzmir Ramirez - Color keywords are now case insensitive. Thanks Yzmir Ramirez
<yramirez-htmlpurifier@adicio.com> for reporting. <yramirez-htmlpurifier@adicio.com> for reporting.
- Explicitly initialize anonModule variable to null. - Explicitly initialize anonModule variable to null.
- Do not duplicate nofollow if already present. Thanks 178
for reporting.
4.3.0, released 2011-03-27 4.3.0, released 2011-03-27
# Fixed broken caching of customized raw definitions, but requires an # Fixed broken caching of customized raw definitions, but requires an

6
library/HTMLPurifier/AttrTransform/Nofollow.php
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@ -26,7 +26,11 @@ class HTMLPurifier_AttrTransform_Nofollow extends HTMLPurifier_AttrTransform
if (!is_null($url->host) && $scheme !== false && $scheme->browsable) { if (!is_null($url->host) && $scheme !== false && $scheme->browsable) {
if (isset($attr['rel'])) { if (isset($attr['rel'])) {
$attr['rel'] .= ' nofollow'; $rels = explode(' ', $attr);
if (!in_array('nofollow', $rels)) {
$rels[] = 'nofollow';
}
$attr['rel'] = implode(' ', $rels);
} else { } else {
$attr['rel'] = 'nofollow'; $attr['rel'] = 'nofollow';
} }

6
tests/HTMLPurifier/HTMLModule/NofollowTest.php
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@ -15,6 +15,12 @@ class HTMLPurifier_HTMLModule_NofollowTest extends HTMLPurifier_HTMLModuleHarnes
); );
} }
function testNofollowDupe() {
$this->assertResult(
'<a href="http://google.com" rel="nofollow">a</a><a href="/local">b</a><a href="mailto:foo@example.com">c</a>'
);
}
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4