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Filter get_theme_data() data through KSES to get rid of evil XSS things. fixes #4236 

git-svn-id: https://develop.svn.wordpress.org/trunk@5447 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
rob1n 2007-05-11 03:44:03 +00:00
parent 3deb0fe500
commit c9fc18c591
1 changed files with 31 additions and 14 deletions
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45
wp-includes/theme.php
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@ -56,6 +56,21 @@ function get_template_directory_uri() {
}
function get_theme_data( $theme_file ) {
$themes_allowed_tags = array(
'a' => array(
'href' => array(),'title' => array()
),
'abbr' => array(
'title' => array()
),
'acronym' => array(
'title' => array()
),
'code' => array(),
'em' => array(),
'strong' => array()
);
$theme_data = implode( '', file( $theme_file ) );
$theme_data = str_replace ( '\r', '\n', $theme_data );
preg_match( '|Theme Name:(.*)|i', $theme_data, $theme_name );
@ -64,26 +79,28 @@ function get_theme_data( $theme_file ) {
preg_match( '|Author:(.*)|i', $theme_data, $author_name );
preg_match( '|Author URI:(.*)|i', $theme_data, $author_uri );
preg_match( '|Template:(.*)|i', $theme_data, $template );
if ( preg_match( '|Version:(.*)|i', $theme_data, $version ) )
$version = trim( $version[1] );
$version = wp_kses( trim( $version[1] ), $themes_allowed_tags );
else
$version ='';
$version = '';
if ( preg_match('|Status:(.*)|i', $theme_data, $status) )
$status = trim($status[1]);
$status = wp_kses( trim( $status[1] ), $themes_allowed_tags );
else
$status = 'publish';
$description = wptexturize( trim( $description[1] ) );
$name = $theme_name[1];
$name = trim( $name );
$theme = $name;
$theme_uri = trim( $theme_uri[1] );
if ( '' == $author_uri[1] ) {
$author = trim( $author_name[1] );
$name = $theme = wp_kses( trim( $theme_name[1] ), $themes_allowed_tags );
$theme_uri = clean_url( trim( $theme_uri[1] ) );
$description = wptexturize( wp_kses( trim( $description[1] ), $themes_allowed_tags ) );
$template = wp_kses( trim( $template[1] ), $themes_allowed_tags );
$author_uri = clean_url( trim( $author_uri[1] ) );
if ( empty( $author_uri[1] ) ) {
$author = wp_kses( trim( $author_name[1] ), $themes_allowed_tags );
} else {
$author = '<a href="' . trim( $author_uri[1] ) . '" title="' . __('Visit author homepage') . '">' . trim( $author_name[1] ) . '</a>';
$author = sprintf( '<a href="%1$s" title="%2$s">%3$s</a>', $author_uri, __( 'Visit author homepage' ), wp_kses( trim( $author_name[1] ), $themes_allowed_tags ) );
}
return array( 'Name' => $name, 'Title' => $theme, 'URI' => $theme_uri, 'Description' => $description, 'Author' => $author, 'Version' => $version, 'Template' => $template[1], 'Status' => $status );