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<title>[53857] trunk: Rewrite rules: Prevent malformed date requests throwing notices.</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/53857">53857</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/53857","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>2022-08-07 23:03:57 +0000 (Sun, 07 Aug 2022)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Rewrite rules: Prevent malformed date requests throwing notices.
Ensure that date queries contain each component before attempting to use them. This prevents http requests triggering notices if a portion of the date is missing. For example a request containing a day and year but no month, a request containing a month bu not year.
Props ovidiul, dd32, peterwilsoncc, costdev, johnbillion, SergeyBiryukov, desrosj, tremidkhar, hellofromTonya.
Fixes <a href="https://core.trac.wordpress.org/ticket/52252">#52252</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesrewritephp">trunk/src/wp-includes/rewrite.php</a></li>
<li><a href="#trunktestsphpunittestsqueryphp">trunk/tests/phpunit/tests/query.php</a></li>
</ul>
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<h3>Diff</h3>
<a id="trunksrcwpincludesrewritephp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-includes/rewrite.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/rewrite.php 2022-08-07 16:53:30 UTC (rev 53856)
+++ trunk/src/wp-includes/rewrite.php 2022-08-07 23:03:57 UTC (rev 53857)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -410,7 +410,10 @@
</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"> // This is the potentially clashing slug.
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $value = $query_vars[ $compare ];
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $value = '';
+ if ( $compare && array_key_exists( $compare, $query_vars ) ) {
+ $value = $query_vars[ $compare ];
+ }
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> $post = get_page_by_path( $value, OBJECT, 'post' );
</span><span class="cx" style="display: block; padding: 0 10px"> if ( ! ( $post instanceof WP_Post ) ) {
</span></span></pre></div>
<a id="trunktestsphpunittestsqueryphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/phpunit/tests/query.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/query.php 2022-08-07 16:53:30 UTC (rev 53856)
+++ trunk/tests/phpunit/tests/query.php 2022-08-07 23:03:57 UTC (rev 53857)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -2,6 +2,13 @@
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> class Tests_Query extends WP_UnitTestCase {
</span><span class="cx" style="display: block; padding: 0 10px">
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ /**
+ * Fixed date post ID.
+ *
+ * @var int
+ */
+ public static $post_with_date;
+
</ins><span class="cx" style="display: block; padding: 0 10px"> public function set_up() {
</span><span class="cx" style="display: block; padding: 0 10px"> parent::set_up();
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -9,6 +16,15 @@
</span><span class="cx" style="display: block; padding: 0 10px"> create_initial_taxonomies();
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ public static function wpSetUpBeforeClass( WP_UnitTest_Factory $factory ) {
+ self::$post_with_date = $factory->post->create(
+ array(
+ 'post_date' => '2020-01-05 12:00:00',
+ 'post_name' => 'post-with-date',
+ )
+ );
+ }
+
</ins><span class="cx" style="display: block; padding: 0 10px"> /**
</span><span class="cx" style="display: block; padding: 0 10px"> * @ticket 24785
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -698,6 +714,57 @@
</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><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * @ticket 52252
+ * @dataProvider data_malformed_date_queries
+ *
+ * @param string $permalink_structure Permalink structure.
+ * @param array $query_vars Querystring parameteres.
+ */
+ public function test_malformed_date_queries( $permalink_structure, $query_vars ) {
+ $this->set_permalink_structure( $permalink_structure );
+ $this->go_to( add_query_arg( $query_vars, home_url() ) );
+
+ /*
+ * Ticket 52252 was to prevent notices from being thrown
+ * if the date query is malformed.
+ *
+ * The test will automatically fail if the function triggers a notice,
+ * so this dummy assertion is just for accurate stats.
+ */
+ $this->assertTrue( true );
+ }
+
+ /**
+ * Data provider for test_malformed_date_queries.
+ *
+ * @return array Test data.
+ */
+ public function data_malformed_date_queries() {
+ return array(
+ '/%postname%/ with missing year' => array(
+ '/%postname%/',
+ array(
+ 'monthnum' => 1,
+ 'day' => 15,
+ ),
+ ),
+ '/%postname%/ with month only' => array(
+ '/%postname%/',
+ array(
+ 'monthnum' => 1,
+ ),
+ ),
+ '/%year%/%postname%/ with missing month' => array(
+ '/%year%/%postname%/',
+ array(
+ 'year' => 2020,
+ 'day' => 15,
+ ),
+ ),
+ );
+ }
+
+ /**
</ins><span class="cx" style="display: block; padding: 0 10px"> * @ticket 55100
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> public function test_get_queried_object_should_work_for_author_name_before_get_posts() {
</span></span></pre>
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