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Press This: prepend the site domain to root-relative URLs. Reject other relative URLs.

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Part props stephdau, kraftbj. Fixes #31645.

git-svn-id: https://develop.svn.wordpress.org/trunk@31818 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Andrew Ozz 2015-03-18 20:42:38 +00:00
parent 25a5f07d51
commit 1a067a5e4c
1 changed files with 16 additions and 0 deletions
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16
src/wp-admin/includes/class-wp-press-this.php
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@ -18,6 +18,8 @@ class WP_Press_This {
private $embeds = array();
private $domain = '';
/**
* Constructor.
*
@ -328,6 +330,16 @@ class WP_Press_This {
return '';
}
// If the URL is root-relative, prepend the protocol and domain name
if ( $url && $this->domain && preg_match( '%^/[^/]+%', $url ) ) {
$url = $this->domain . $url;
}
// Not absolute or protocol-relative URL.
if ( ! preg_match( '%^(?:https?:)?//[^/]+%', $url ) ) {
return '';
}
return esc_url_raw( $url, array( 'http', 'https' ) );
}
@ -573,6 +585,10 @@ class WP_Press_This {
if ( 'u' === $key ) {
$value = $this->_limit_url( $value );
if ( preg_match( '%^(?:https?:)?//[^/]+%i', $value, $domain_match ) ) {
$this->domain = $domain_match[0];
}
} else {
$value = $this->_limit_string( $value );
}