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<title>[1514] sites/trunk/wordcamp.org/public_html/wp-content/mu-plugins/wcorg-misc.php: WordCamp Misc: Add wp-cli command to flush rewrite rules on all sites.</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/1514">1514</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/1514","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>iandunn</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2015-04-24 04:07:50 +0000 (Fri, 24 Apr 2015)</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 Misc: Add wp-cli command to flush rewrite rules on all sites.</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>
</ul>
</div>
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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 2015-04-24 01:35:08 UTC (rev 1513)
+++ sites/trunk/wordcamp.org/public_html/wp-content/mu-plugins/wcorg-misc.php 2015-04-24 04:07:50 UTC (rev 1514)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -157,3 +157,96 @@
</span><span class="cx" style="display: block; padding: 0 10px"> die();
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> add_action( 'template_redirect', 'wcorg_subdomactories_redirect' );
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+/*
+ * Flush the rewrite rules on the current site.
+ *
+ * See WordCamp_Miscellaneous_Commands::flush_rewrite_rules_everywhere() for an explanation.
+ *
+ * Requires authentication because flush_rewrite_rules() is expensive and could be used as a DoS vector.
+ */
+function wcorg_flush_rewrite_rules() {
+ if ( isset( $_GET['nonce'] ) && wp_verify_nonce( $_GET['nonce'], 'flush-rewrite-rules-everywhere-' . get_current_blog_id() ) ) {
+ flush_rewrite_rules();
+ wp_send_json_success( 'Rewrite rules have been flushed.' );
+ } else {
+ wp_send_json_error( 'You are not authorized to flush the rewrite rules.' );
+ }
+}
+add_action( 'wp_ajax_wcorg_flush_rewrite_rules_everywhere', 'wcorg_flush_rewrite_rules' ); // This isn't used by the wp-cli command, but is useful for manual testing
+add_action( 'wp_ajax_nopriv_wcorg_flush_rewrite_rules_everywhere', 'wcorg_flush_rewrite_rules' );
+
+
+/*
+ * WP-CLI Commands
+ */
+if ( defined( 'WP_CLI' ) && WP_CLI ) {
+ /**
+ * WordCamp.org Miscellaneous Commands
+ */
+ class WordCamp_Miscellaneous_Commands extends WP_CLI_Command {
+ /**
+ * Flush rewrite rules on all sites.
+ *
+ * Periodically they break for various reasons and need to be reset on all sites. If we
+ * just called flush_rewrite_rules() inside a switch_to_blog() loop then each site's
+ * plugins wouldn't be loaded and the rewrite rules wouldn't be correct.
+ *
+ * So instead, this issues an HTTP request to wcorg_flush_rewrite_rules() on each site so
+ * that flush_rewrite_rules() will run in the context of the loaded site.
+ *
+ * @subcommand flush-rewrite-rules-everywhere
+ */
+ public function flush_rewrite_rules_everywhere() {
+ $start_timestamp = microtime( true );
+ $error = '';
+ $sites = wp_get_sites( array( 'limit' => false ) );
+
+ WP_CLI::line();
+
+ foreach ( $sites as $site ) {
+ $ajax_url = sprintf( 'http://%s%swp-admin/admin-ajax.php', $site['domain'], $site['path'] );
+ $display_url = $site['domain'] . rtrim( $site['path'], '/' );
+ $nonce = wp_create_nonce( 'flush-rewrite-rules-everywhere-' . $site['blog_id'] );
+
+ $response = wp_remote_get( esc_url_raw( add_query_arg(
+ array(
+ 'action' => 'wcorg_flush_rewrite_rules_everywhere',
+ 'nonce' => $nonce,
+ ),
+ $ajax_url
+ ) ) );
+
+ if ( is_wp_error( $response ) ) {
+ $success = false;
+ $error = $response->get_error_message();
+ } else {
+ $response = json_decode( wp_remote_retrieve_body( $response ) );
+
+ if ( isset( $response->success ) && $response->success ) {
+ $success = true;
+ } else {
+ $success = false;
+ $error = isset( $response->data ) ? $response->data : 'Unknown error';
+ }
+ }
+
+ if ( $success ) {
+ WP_CLI::line( sprintf( '%s: Flushed', $display_url ) );
+ } else {
+ WP_CLI::warning( sprintf( '%s: Failed with error: %s', $display_url, $error ) );
+ }
+ }
+ $execution_time = microtime( true ) - $start_timestamp;
+
+ WP_CLI::line();
+ WP_CLI::line( sprintf(
+ 'Flushed all rewrite rules in %d minute(s) and %d second(s).',
+ floor( $execution_time / 60 ),
+ $execution_time % 60
+ ) );
+ }
+ }
+
+ WP_CLI::add_command( 'wcorg-misc', 'WordCamp_Miscellaneous_Commands' );
+}
</ins></span></pre>
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