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<title>[6819] sites/trunk/wordcamp.org/public_html/wp-content/mu-plugins/wcorg-misc.php: WordCamp Central: Prevent access to incident report submission posts</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="http://meta.trac.wordpress.org/changeset/6819">6819</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"http://meta.trac.wordpress.org/changeset/6819","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>coreymckrill</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2018-03-01 22:35:57 +0000 (Thu, 01 Mar 2018)</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'>WordCamp Central: Prevent access to incident report submission posts
This adds two filters that attempt to prevent access to the posts by non-
super admins. The first modifies queries that include feedback posts when the
current user can't manage the network. The second changes the capabilities
necessary to export content from the WordCamp Central site to include
managing the network.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#sitestrunkwordcamporgpublic_htmlwpcontentmupluginswcorgmiscphp">sites/trunk/wordcamp.org/public_html/wp-content/mu-plugins/wcorg-misc.php</a></li>
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<h3>Diff</h3>
<a id="sitestrunkwordcamporgpublic_htmlwpcontentmupluginswcorgmiscphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: sites/trunk/wordcamp.org/public_html/wp-content/mu-plugins/wcorg-misc.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- sites/trunk/wordcamp.org/public_html/wp-content/mu-plugins/wcorg-misc.php 2018-03-01 21:13:34 UTC (rev 6818)
+++ sites/trunk/wordcamp.org/public_html/wp-content/mu-plugins/wcorg-misc.php 2018-03-01 22:35:57 UTC (rev 6819)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -348,3 +348,65 @@
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> add_action( 'wp_enqueue_scripts', 'wcorg_register_scripts' );
</span><span class="cx" style="display: block; padding: 0 10px"> add_action( 'admin_enqueue_scripts', 'wcorg_register_scripts' );
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+/**
+ * Conditionally omit incident report submission feedback posts from post query results.
+ *
+ * @param WP_Query $wp_query
+ */
+function wcorg_central_omit_incident_reports( $wp_query ) {
+ if ( ! $wp_query instanceof WP_Query ) {
+ return $wp_query;
+ }
+
+ $post_types = $wp_query->get( 'post_type' );
+
+ if ( BLOG_ID_CURRENT_SITE == get_current_blog_id()
+ && in_array( 'feedback', (array) $post_types, true )
+ && ! current_user_can( 'manage_network' ) // TODO add a subrole for this.
+ ) {
+ $meta_query = $wp_query->get( 'meta_query', array() );
+
+ $meta_query[] = array(
+ 'relation' => 'OR',
+ array(
+ 'key' => '_feedback_email',
+ 'value' => 'report@wordcamp.org',
+ 'compare' => 'NOT LIKE',
+ ),
+ // This catches non-feedback posts, but may cause a performance issue.
+ // See https://developer.wordpress.org/reference/classes/wp_query/#comment-2315
+ array(
+ 'key' => '_feedback_email',
+ 'value' => 'NOT EXISTS',
+ ),
+ );
+
+ $wp_query->set( 'meta_query', $meta_query );
+ }
+
+ return $wp_query;
+}
+
+add_filter( 'pre_get_posts', 'wcorg_central_omit_incident_reports' );
+
+/**
+ * Modify the capabilities necessary for exporting content from WordCamp Central.
+ *
+ * This effectively makes it so that only super admins and trusted deputies can export.
+ *
+ * The intention is to prevent the export of incident report submission feedback posts, which don't seem to be filtered
+ * out by `wcorg_central_omit_incident_reports` when exporting all content.
+ *
+ * @param array $primitive_caps The original list of primitive caps mapped to the given meta cap.
+ * @param string $meta_cap The meta cap in question.
+ */
+function wcorg_central_modify_export_caps( $primitive_caps, $meta_cap ) {
+ if ( BLOG_ID_CURRENT_SITE == get_current_blog_id() && 'export' === $meta_cap ) {
+ return array_merge( (array) $primitive_caps, array( 'manage_network' ) ); // TODO add a subrole for this.
+ }
+
+ return $primitive_caps;
+}
+
+add_filter( 'map_meta_cap', 'wcorg_central_modify_export_caps', 10, 2 );
</ins></span></pre>
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