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<title>[21921] trunk: Posting: Make it much harder to create posts with invalid dates by enforcing the post date tests in the UI and the backend code.</title>
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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://core.trac.wordpress.org/changeset/21921">21921</a></dd>
<dt>Author</dt> <dd>westi</dd>
<dt>Date</dt> <dd>2012-09-19 21:43:35 +0000 (Wed, 19 Sep 2012)</dd>
</dl>
<h3>Log Message</h3>
<pre>Posting: Make it much harder to create posts with invalid dates by enforcing the post date tests in the UI and the backend code.
Previously you could quite easily send a new post into the back of beyond by specifying an invalid date like the 30th Feb and this was very confusing.
Sometimes it would seem to work and sometimes the post would end up very far in the past - depending on the mysql version and other factors.
Fixes <a href="http://core.trac.wordpress.org/ticket/17180">#17180</a> props jkudish.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkwpadminincludespostphp">trunk/wp-admin/includes/post.php</a></li>
<li><a href="#trunkwpadminjspostjs">trunk/wp-admin/js/post.js</a></li>
<li><a href="#trunkwpincludespostphp">trunk/wp-includes/post.php</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkwpadminincludespostphp"></a>
<div class="modfile"><h4>Modified: trunk/wp-admin/includes/post.php (21920 => 21921)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-admin/includes/post.php        2012-09-19 18:59:36 UTC (rev 21920)
+++ trunk/wp-admin/includes/post.php        2012-09-19 21:43:35 UTC (rev 21921)
</span><span class="lines">@@ -122,6 +122,10 @@
</span><span class="cx">                 $hh = ($hh > 23 ) ? $hh -24 : $hh;
</span><span class="cx">                 $mn = ($mn > 59 ) ? $mn -60 : $mn;
</span><span class="cx">                 $ss = ($ss > 59 ) ? $ss -60 : $ss;
</span><ins>+                $valid_date = apply_filters( '_wp_translate_postdata_valid_date', checkdate( $mm, $jj, $aa ), $post_data );
+                if ( !$valid_date ) {
+                        return new WP_Error( 'invalid_date', __( 'Woops, the provided date is invalid.' ) );
+                }
</ins><span class="cx">                 $post_data['post_date'] = sprintf( "%04d-%02d-%02d %02d:%02d:%02d", $aa, $mm, $jj, $hh, $mn, $ss );
</span><span class="cx">                 $post_data['post_date_gmt'] = get_gmt_from_date( $post_data['post_date'] );
</span><span class="cx">         }
</span></span></pre></div>
<a id="trunkwpadminjspostjs"></a>
<div class="modfile"><h4>Modified: trunk/wp-admin/js/post.js (21920 => 21921)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-admin/js/post.js        2012-09-19 18:59:36 UTC (rev 21920)
+++ trunk/wp-admin/js/post.js        2012-09-19 21:43:35 UTC (rev 21921)
</span><span class="lines">@@ -528,6 +528,16 @@
</span><span class="cx">                         return false;
</span><span class="cx">                 });
</span><span class="cx">
</span><ins>+                $('#post').submit(function(e){
+                        if ( !updateText() ) {
+                                e.preventDefault();
+                                $('#timestampdiv').show();
+                                $('#publishing-action .ajax-loading').css('visibility', 'hidden');
+                                $('#publish').prop('disabled', false).removeClass('button-primary-disabled');
+                                return false;
+                        }
+                });
+
</ins><span class="cx">                 $('#post-status-select').siblings('a.edit-post-status').click(function() {
</span><span class="cx">                         if ($('#post-status-select').is(":hidden")) {
</span><span class="cx">                                 $('#post-status-select').slideDown('fast');
</span></span></pre></div>
<a id="trunkwpincludespostphp"></a>
<div class="modfile"><h4>Modified: trunk/wp-includes/post.php (21920 => 21921)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-includes/post.php        2012-09-19 18:59:36 UTC (rev 21920)
+++ trunk/wp-includes/post.php        2012-09-19 21:43:35 UTC (rev 21921)
</span><span class="lines">@@ -2633,6 +2633,15 @@
</span><span class="cx">         if ( empty($post_date) || '0000-00-00 00:00:00' == $post_date )
</span><span class="cx">                 $post_date = current_time('mysql');
</span><span class="cx">
</span><ins>+                // validate the date
+                $mm = substr( $post_date, 5, 2 );
+                $jj = substr( $post_date, 8, 2 );
+                $aa = substr( $post_date, 0, 4 );
+                $valid_date = apply_filters( 'wp_insert_post_validate_date', checkdate( $mm, $jj, $aa ), $post_date );
+                if ( !$valid_date ) {
+                        return new WP_Error( 'invalid_date', __( 'Woops, the provided date is invalid.' ) );
+                }
+
</ins><span class="cx">         if ( empty($post_date_gmt) || '0000-00-00 00:00:00' == $post_date_gmt ) {
</span><span class="cx">                 if ( !in_array( $post_status, array( 'draft', 'pending', 'auto-draft' ) ) )
</span><span class="cx">                         $post_date_gmt = get_gmt_from_date($post_date);
</span></span></pre>
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