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<title>[43930] branches/5.0: Formatting: Revert pre-save filter adding `rel="noopener"`.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/43930">43930</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/43930","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>peterwilsoncc</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2018-11-22 00:24:01 +0000 (Thu, 22 Nov 2018)</dd>
</dl>
<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Formatting: Revert pre-save filter adding `rel="noopener"`.
Removes filters adding `rel="noopener"` to links targeting `_blank`.
Previous implementation could introduce blank `rel` attributes and could corrupt JSON data when saving via the customizer.
See <a href="https://core.trac.wordpress.org/ticket/43187">#43187</a>.
Reverts <a href="https://core.trac.wordpress.org/changeset/43732">[43732]</a> and <a href="https://core.trac.wordpress.org/changeset/43733">[43733]</a> from the 5.0 branch.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#branches50srcwpincludesdefaultfiltersphp">branches/5.0/src/wp-includes/default-filters.php</a></li>
<li><a href="#branches50srcwpincludesformattingphp">branches/5.0/src/wp-includes/formatting.php</a></li>
<li><a href="#branches50testsphpunittestsrestapirestattachmentscontrollerphp">branches/5.0/tests/phpunit/tests/rest-api/rest-attachments-controller.php</a></li>
<li><a href="#branches50testsphpunittestsrestapirestpostscontrollerphp">branches/5.0/tests/phpunit/tests/rest-api/rest-posts-controller.php</a></li>
</ul>
<h3>Removed Paths</h3>
<ul>
<li><a href="#branches50testsphpunittestsformattingWPTargetedLinkRelphp">branches/5.0/tests/phpunit/tests/formatting/WPTargetedLinkRel.php</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="branches50srcwpincludesdefaultfiltersphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/5.0/src/wp-includes/default-filters.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/5.0/src/wp-includes/default-filters.php 2018-11-21 22:42:16 UTC (rev 43929)
+++ branches/5.0/src/wp-includes/default-filters.php 2018-11-22 00:24:01 UTC (rev 43930)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -118,21 +118,6 @@
</span><span class="cx" style="display: block; padding: 0 10px"> add_filter( $filter, 'balanceTags', 50 );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-// Add proper rel values for links with target.
-foreach ( array(
- 'title_save_pre',
- 'content_save_pre',
- 'excerpt_save_pre',
- 'content_filtered_save_pre',
- 'pre_comment_content',
- 'pre_term_description',
- 'pre_link_description',
- 'pre_link_notes',
- 'pre_user_description',
-) as $filter ) {
- add_filter( $filter, 'wp_targeted_link_rel' );
-};
-
</del><span class="cx" style="display: block; padding: 0 10px"> // Format strings for display.
</span><span class="cx" style="display: block; padding: 0 10px"> foreach ( array( 'comment_author', 'term_name', 'link_name', 'link_description', 'link_notes', 'bloginfo', 'wp_title', 'widget_title' ) as $filter ) {
</span><span class="cx" style="display: block; padding: 0 10px"> add_filter( $filter, 'wptexturize' );
</span></span></pre></div>
<a id="branches50srcwpincludesformattingphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/5.0/src/wp-includes/formatting.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/5.0/src/wp-includes/formatting.php 2018-11-21 22:42:16 UTC (rev 43929)
+++ branches/5.0/src/wp-includes/formatting.php 2018-11-22 00:24:01 UTC (rev 43930)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -2774,69 +2774,6 @@
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> /**
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- * Adds rel noreferrer and noopener to all HTML A elements that have a target.
- *
- * @param string $text Content that may contain HTML A elements.
- * @return string Converted content.
- */
-function wp_targeted_link_rel( $text ) {
- // Don't run (more expensive) regex if no links with targets.
- if ( stripos( $text, 'target' ) !== false && stripos( $text, '<a ' ) !== false ) {
- $text = preg_replace_callback( '|<a\s([^>]*target\s*=[^>]*)>|i', 'wp_targeted_link_rel_callback', $text );
- }
-
- return $text;
-}
-
-/**
- * Callback to add rel="noreferrer noopener" string to HTML A element.
- *
- * Will not duplicate existing noreferrer and noopener values
- * to prevent from invalidating the HTML.
- *
- * @param array $matches Single Match
- * @return string HTML A Element with rel noreferrer noopener in addition to any existing values
- */
-function wp_targeted_link_rel_callback( $matches ) {
- $link_html = $matches[1];
- $rel_match = array();
-
- /**
- * Filters the rel values that are added to links with `target` attribute.
- *
- * @since 5.0.0
- *
- * @param string The rel values.
- * @param string $link_html The matched content of the link tag including all HTML attributes.
- */
- $rel = apply_filters( 'wp_targeted_link_rel', 'noopener noreferrer', $link_html );
-
- // Value with delimiters, spaces around are optional.
- $attr_regex = '|rel\s*=\s*?(\\\\{0,1}["\'])(.*?)\\1|i';
- preg_match( $attr_regex, $link_html, $rel_match );
-
- if ( empty( $rel_match[0] ) ) {
- // No delimiters, try with a single value and spaces, because `rel = va"lue` is totally fine...
- $attr_regex = '|rel\s*=(\s*)([^\s]*)|i';
- preg_match( $attr_regex, $link_html, $rel_match );
- }
-
- if ( ! empty( $rel_match[0] ) ) {
- $parts = preg_split( '|\s+|', strtolower( $rel_match[2] ) );
- $parts = array_map( 'esc_attr', $parts );
- $needed = explode( ' ', $rel );
- $parts = array_unique( array_merge( $parts, $needed ) );
- $delimiter = trim( $rel_match[1] ) ? $rel_match[1] : '"';
- $rel = 'rel=' . $delimiter . trim( implode( ' ', $parts ) ) . $delimiter;
- $link_html = str_replace( $rel_match[0], $rel, $link_html );
- } else {
- $link_html .= " rel=\"$rel\"";
- }
-
- return "<a $link_html>";
-}
-
-/**
</del><span class="cx" style="display: block; padding: 0 10px"> * Convert one smiley code to the icon graphic file equivalent.
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * Callback handler for convert_smilies().
</span></span></pre></div>
<a id="branches50testsphpunittestsformattingWPTargetedLinkRelphp"></a>
<div class="delfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Deleted: branches/5.0/tests/phpunit/tests/formatting/WPTargetedLinkRel.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/5.0/tests/phpunit/tests/formatting/WPTargetedLinkRel.php 2018-11-21 22:42:16 UTC (rev 43929)
+++ branches/5.0/tests/phpunit/tests/formatting/WPTargetedLinkRel.php 2018-11-22 00:24:01 UTC (rev 43930)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1,74 +0,0 @@
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-<?php
-
-/**
- * @group formatting
- * @ticket 43187
- */
-class Tests_Targeted_Link_Rel extends WP_UnitTestCase {
-
- public function test_add_to_links_with_target_blank() {
- $content = '<p>Links: <a href="/" target="_blank">No rel</a></p>';
- $expected = '<p>Links: <a href="/" target="_blank" rel="noopener noreferrer">No rel</a></p>';
- $this->assertEquals( $expected, wp_targeted_link_rel( $content ) );
- }
-
- public function test_add_to_links_with_target_foo() {
- $content = '<p>Links: <a href="/" target="foo">No rel</a></p>';
- $expected = '<p>Links: <a href="/" target="foo" rel="noopener noreferrer">No rel</a></p>';
- $this->assertEquals( $expected, wp_targeted_link_rel( $content ) );
- }
-
- public function test_target_as_first_attribute() {
- $content = '<p>Links: <a target="_blank" href="#">No rel</a></p>';
- $expected = '<p>Links: <a target="_blank" href="#" rel="noopener noreferrer">No rel</a></p>';
- $this->assertEquals( $expected, wp_targeted_link_rel( $content ) );
- }
-
- public function test_add_to_existing_rel() {
- $content = '<p>Links: <a href="/" rel="existing values" target="_blank">Existing rel</a></p>';
- $expected = '<p>Links: <a href="/" rel="existing values noopener noreferrer" target="_blank">Existing rel</a></p>';
- $this->assertEquals( $expected, wp_targeted_link_rel( $content ) );
- }
-
- public function test_no_duplicate_values_added() {
- $content = '<p>Links: <a href="/" rel="existing noopener values" target="_blank">Existing rel</a></p>';
- $expected = '<p>Links: <a href="/" rel="existing noopener values noreferrer" target="_blank">Existing rel</a></p>';
- $this->assertEquals( $expected, wp_targeted_link_rel( $content ) );
- }
-
- public function test_rel_with_single_quote_delimiter() {
- $content = '<p>Links: <a href="/" rel=\'existing values\' target="_blank">Existing rel</a></p>';
- $expected = '<p>Links: <a href="/" rel=\'existing values noopener noreferrer\' target="_blank">Existing rel</a></p>';
- $this->assertEquals( $expected, wp_targeted_link_rel( $content ) );
- }
-
- public function test_rel_with_no_delimiter() {
- $content = '<p>Links: <a href="/" rel=existing target="_blank">Existing rel</a></p>';
- $expected = '<p>Links: <a href="/" rel="existing noopener noreferrer" target="_blank">Existing rel</a></p>';
- $this->assertEquals( $expected, wp_targeted_link_rel( $content ) );
- }
-
- public function test_rel_value_spaced_and_no_delimiter() {
- $content = '<p>Links: <a href="/" rel = existing target="_blank">Existing rel</a></p>';
- $expected = '<p>Links: <a href="/" rel="existing noopener noreferrer" target="_blank">Existing rel</a></p>';
- $this->assertEquals( $expected, wp_targeted_link_rel( $content ) );
- }
-
- public function test_rel_value_spaced_and_no_delimiter_and_values_to_escape() {
- $content = '<p>Links: <a href="/" rel = existing"value target="_blank">Existing rel</a></p>';
- $expected = '<p>Links: <a href="/" rel="existing"value noopener noreferrer" target="_blank">Existing rel</a></p>';
- $this->assertEquals( $expected, wp_targeted_link_rel( $content ) );
- }
-
- public function test_escaped_quotes() {
- $content = '<p>Links: <a href=\"/\" rel=\"existing values\" target=\"_blank\">Existing rel</a></p>';
- $expected = '<p>Links: <a href=\"/\" rel=\"existing values noopener noreferrer\" target=\"_blank\">Existing rel</a></p>';
- $this->assertEquals( $expected, wp_targeted_link_rel( $content ) );
- }
-
- public function test_ignore_links_with_no_target() {
- $content = '<p>Links: <a href="/" target="_blank">Change me</a> <a href="/">Do not change me</a></p>';
- $expected = '<p>Links: <a href="/" target="_blank" rel="noopener noreferrer">Change me</a> <a href="/">Do not change me</a></p>';
- $this->assertEquals( $expected, wp_targeted_link_rel( $content ) );
- }
-}
</del></span></pre></div>
<a id="branches50testsphpunittestsrestapirestattachmentscontrollerphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/5.0/tests/phpunit/tests/rest-api/rest-attachments-controller.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/5.0/tests/phpunit/tests/rest-api/rest-attachments-controller.php 2018-11-21 22:42:16 UTC (rev 43929)
+++ branches/5.0/tests/phpunit/tests/rest-api/rest-attachments-controller.php 2018-11-22 00:24:01 UTC (rev 43930)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -941,12 +941,12 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 'rendered' => '<a href="#">link</a>',
</span><span class="cx" style="display: block; padding: 0 10px"> ),
</span><span class="cx" style="display: block; padding: 0 10px"> 'description' => array(
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- 'raw' => '<a href="#" target="_blank" rel="noopener noreferrer">link</a>',
- 'rendered' => '<p><a href="#" target="_blank" rel="noopener noreferrer">link</a></p>',
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ 'raw' => '<a href="#" target="_blank">link</a>',
+ 'rendered' => '<p><a href="#" target="_blank">link</a></p>',
</ins><span class="cx" style="display: block; padding: 0 10px"> ),
</span><span class="cx" style="display: block; padding: 0 10px"> 'caption' => array(
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- 'raw' => '<a href="#" target="_blank" rel="noopener noreferrer">link</a>',
- 'rendered' => '<p><a href="#" target="_blank" rel="noopener noreferrer">link</a></p>',
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ 'raw' => '<a href="#" target="_blank">link</a>',
+ 'rendered' => '<p><a href="#" target="_blank">link</a></p>',
</ins><span class="cx" style="display: block; padding: 0 10px"> ),
</span><span class="cx" style="display: block; padding: 0 10px"> )
</span><span class="cx" style="display: block; padding: 0 10px"> ),
</span></span></pre></div>
<a id="branches50testsphpunittestsrestapirestpostscontrollerphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/5.0/tests/phpunit/tests/rest-api/rest-posts-controller.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/5.0/tests/phpunit/tests/rest-api/rest-posts-controller.php 2018-11-21 22:42:16 UTC (rev 43929)
+++ branches/5.0/tests/phpunit/tests/rest-api/rest-posts-controller.php 2018-11-22 00:24:01 UTC (rev 43930)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -2983,12 +2983,12 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 'rendered' => '<a href="#">link</a>',
</span><span class="cx" style="display: block; padding: 0 10px"> ),
</span><span class="cx" style="display: block; padding: 0 10px"> 'content' => array(
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- 'raw' => '<a href="#" target="_blank" rel="noopener noreferrer">link</a>',
- 'rendered' => '<p><a href="#" target="_blank" rel="noopener noreferrer">link</a></p>',
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ 'raw' => '<a href="#" target="_blank">link</a>',
+ 'rendered' => '<p><a href="#" target="_blank">link</a></p>',
</ins><span class="cx" style="display: block; padding: 0 10px"> ),
</span><span class="cx" style="display: block; padding: 0 10px"> 'excerpt' => array(
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- 'raw' => '<a href="#" target="_blank" rel="noopener noreferrer">link</a>',
- 'rendered' => '<p><a href="#" target="_blank" rel="noopener noreferrer">link</a></p>',
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ 'raw' => '<a href="#" target="_blank">link</a>',
+ 'rendered' => '<p><a href="#" target="_blank">link</a></p>',
</ins><span class="cx" style="display: block; padding: 0 10px"> ),
</span><span class="cx" style="display: block; padding: 0 10px"> )
</span><span class="cx" style="display: block; padding: 0 10px"> ),
</span></span></pre>
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