assertEquals(
"\xc3\xa9cole",
Sanitizer::decodeCharReferences( 'école' ),
'decode named entities'
);
}
function testDecodeNumericEntities() {
$this->assertEquals(
"\xc4\x88io bonas dans l'\xc3\xa9cole!",
Sanitizer::decodeCharReferences( "Ĉio bonas dans l'école!" ),
'decode numeric entities'
);
}
function testDecodeMixedEntities() {
$this->assertEquals(
"\xc4\x88io bonas dans l'\xc3\xa9cole!",
Sanitizer::decodeCharReferences( "Ĉio bonas dans l'école!" ),
'decode mixed numeric/named entities'
);
}
function testDecodeMixedComplexEntities() {
$this->assertEquals(
"\xc4\x88io bonas dans l'\xc3\xa9cole! (mais pas Ĉio dans l'école)",
Sanitizer::decodeCharReferences(
"Ĉio bonas dans l'école! (mais pas Ĉio dans l'école)"
),
'decode mixed complex entities'
);
}
function testInvalidAmpersand() {
$this->assertEquals(
'a & b',
Sanitizer::decodeCharReferences( 'a & b' ),
'Invalid ampersand'
);
}
function testInvalidEntities() {
$this->assertEquals(
'&foo;',
Sanitizer::decodeCharReferences( '&foo;' ),
'Invalid named entity'
);
}
function testInvalidNumberedEntities() {
$this->assertEquals( UTF8_REPLACEMENT, Sanitizer::decodeCharReferences( "" ), 'Invalid numbered entity' );
}
/**
* @cover Sanitizer::removeHTMLtags
* @dataProvider provideHtml5Tags
*
* @param String $tag Name of an HTML5 element (ie: 'video')
* @param Boolean $escaped Wheter sanitizer let the tag in or escape it (ie: '<video>')
*/
function testRemovehtmltagsOnHtml5Tags( $tag, $escaped ) {
$this->setMwGlobals( array(
# Enable HTML5 mode
'wgHtml5' => true,
'wgUseTidy' => false
) );
if ( $escaped ) {
$this->assertEquals( "<$tag>",
Sanitizer::removeHTMLtags( "<$tag>" )
);
} else {
$this->assertEquals( "<$tag>$tag>\n",
Sanitizer::removeHTMLtags( "<$tag>" )
);
}
}
/**
* Provide HTML5 tags
*/
function provideHtml5Tags() {
$ESCAPED = true; # We want tag to be escaped
$VERBATIM = false; # We want to keep the tag
return array(
array( 'data', $VERBATIM ),
array( 'mark', $VERBATIM ),
array( 'time', $VERBATIM ),
array( 'video', $ESCAPED ),
);
}
function testSelfClosingTag() {
$this->setMwGlobals( array(
'wgUseTidy' => false
) );
$this->assertEquals(
'
Hello world
',
Sanitizer::removeHTMLtags( 'Hello world
' ),
'Self-closing closing div'
);
}
/**
* @dataProvider provideTagAttributesToDecode
* @cover Sanitizer::decodeTagAttributes
*/
function testDecodeTagAttributes( $expected, $attributes, $message = '' ) {
$this->assertEquals( $expected,
Sanitizer::decodeTagAttributes( $attributes ),
$message
);
}
function provideTagAttributesToDecode() {
return array(
array( array( 'foo' => 'bar' ), 'foo=bar', 'Unquoted attribute' ),
array( array( 'foo' => 'bar' ), ' foo = bar ', 'Spaced attribute' ),
array( array( 'foo' => 'bar' ), 'foo="bar"', 'Double-quoted attribute' ),
array( array( 'foo' => 'bar' ), 'foo=\'bar\'', 'Single-quoted attribute' ),
array( array( 'foo' => 'bar', 'baz' => 'foo' ), 'foo=\'bar\' baz="foo"', 'Several attributes' ),
array( array( 'foo' => 'bar', 'baz' => 'foo' ), 'foo=\'bar\' baz="foo"', 'Several attributes' ),
array( array( 'foo' => 'bar', 'baz' => 'foo' ), 'foo=\'bar\' baz="foo"', 'Several attributes' ),
array( array( ':foo' => 'bar' ), ':foo=\'bar\'', 'Leading :' ),
array( array( '_foo' => 'bar' ), '_foo=\'bar\'', 'Leading _' ),
array( array( 'foo' => 'bar' ), 'Foo=\'bar\'', 'Leading capital' ),
array( array( 'foo' => 'BAR' ), 'FOO=BAR', 'Attribute keys are normalized to lowercase' ),
# Invalid beginning
array( array(), '-foo=bar', 'Leading - is forbidden' ),
array( array(), '.foo=bar', 'Leading . is forbidden' ),
array( array( 'foo-bar' => 'bar' ), 'foo-bar=bar', 'A - is allowed inside the attribute' ),
array( array( 'foo-' => 'bar' ), 'foo-=bar', 'A - is allowed inside the attribute' ),
array( array( 'foo.bar' => 'baz' ), 'foo.bar=baz', 'A . is allowed inside the attribute' ),
array( array( 'foo.' => 'baz' ), 'foo.=baz', 'A . is allowed as last character' ),
array( array( 'foo6' => 'baz' ), 'foo6=baz', 'Numbers are allowed' ),
# This bit is more relaxed than XML rules, but some extensions use
# it, like ProofreadPage (see bug 27539)
array( array( '1foo' => 'baz' ), '1foo=baz', 'Leading numbers are allowed' ),
array( array(), 'foo$=baz', 'Symbols are not allowed' ),
array( array(), 'foo@=baz', 'Symbols are not allowed' ),
array( array(), 'foo~=baz', 'Symbols are not allowed' ),
array( array( 'foo' => '1[#^`*%w/(' ), 'foo=1[#^`*%w/(', 'All kind of characters are allowed as values' ),
array( array( 'foo' => '1[#^`*%\'w/(' ), 'foo="1[#^`*%\'w/("', 'Double quotes are allowed if quoted by single quotes' ),
array( array( 'foo' => '1[#^`*%"w/(' ), 'foo=\'1[#^`*%"w/(\'', 'Single quotes are allowed if quoted by double quotes' ),
array( array( 'foo' => '&"' ), 'foo=&"', 'Special chars can be provided as entities' ),
array( array( 'foo' => '&foobar;' ), 'foo=&foobar;', 'Entity-like items are accepted' ),
);
}
/**
* @dataProvider provideDeprecatedAttributes
* @cover Sanitizer::fixTagAttributes
*/
function testDeprecatedAttributesUnaltered( $inputAttr, $inputEl, $message = '' ) {
$this->assertEquals( " $inputAttr",
Sanitizer::fixTagAttributes( $inputAttr, $inputEl ),
$message
);
}
public static function provideDeprecatedAttributes() {
/** array( , , [message] ) */
return array(
array( 'clear="left"', 'br' ),
array( 'clear="all"', 'br' ),
array( 'width="100"', 'td' ),
array( 'nowrap="true"', 'td' ),
array( 'nowrap=""', 'td' ),
array( 'align="right"', 'td' ),
array( 'align="center"', 'table' ),
array( 'align="left"', 'tr' ),
array( 'align="center"', 'div' ),
array( 'align="left"', 'h1' ),
array( 'align="left"', 'span' ),
);
}
/**
* @dataProvider provideCssCommentsFixtures
* @cover Sanitizer::checkCss
*/
function testCssCommentsChecking( $expected, $css, $message = '' ) {
$this->assertEquals( $expected,
Sanitizer::checkCss( $css ),
$message
);
}
public static function provideCssCommentsFixtures() {
/** array( , , [message] ) */
return array(
array( ' ', '/**/' ),
array( ' ', '/****/' ),
array( ' ', '/* comment */' ),
array( ' ', "\\2f\\2a foo \\2a\\2f",
'Backslash-escaped comments must be stripped (bug 28450)' ),
array( '', '/* unfinished comment structure',
'Remove anything after a comment-start token' ),
array( '', "\\2f\\2a unifinished comment'",
'Remove anything after a backslash-escaped comment-start token' ),
array( '/* insecure input */', 'filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'asdf.png\',sizingMethod=\'scale\');' ),
array( '/* insecure input */', '-ms-filter: "progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'asdf.png\',sizingMethod=\'scale\')";' ),
array( '/* insecure input */', 'width: expression(1+1);' ),
array( '/* insecure input */', 'background-image: image(asdf.png);' ),
array( '/* insecure input */', 'background-image: -webkit-image(asdf.png);' ),
array( '/* insecure input */', 'background-image: -moz-image(asdf.png);' ),
array( '/* insecure input */', 'background-image: image-set("asdf.png" 1x, "asdf.png" 2x);' ),
array( '/* insecure input */', 'background-image: -webkit-image-set("asdf.png" 1x, "asdf.png" 2x);' ),
array( '/* insecure input */', 'background-image: -moz-image-set("asdf.png" 1x, "asdf.png" 2x);' ),
);
}
/**
* Test for support or lack of support for specific attributes in the attribute whitelist.
*/
function provideAttributeSupport() {
/** array( , , ) */
return array(
array( 'div', ' role="presentation"', ' role="presentation"', 'Support for WAI-ARIA\'s role="presentation".' ),
array( 'div', ' role="main"', '', "Other WAI-ARIA roles are currently not supported." ),
);
}
/**
* @dataProvider provideAttributeSupport
*/
function testAttributeSupport( $tag, $attributes, $expected, $message ) {
$this->assertEquals( $expected,
Sanitizer::fixTagAttributes( $attributes, $tag ),
$message
);
}
}