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<title>[10385] sites/trunk/wordpress.org/public_html/wp-content/mu-plugins/pub/wporg-redirects.php: Open-source a bunch of redirects that were in sunrise.php (and a handful of similarly related redirects that didn't exist).</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/10385">10385</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/10385","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>dd32</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2020-10-16 07:02:54 +0000 (Fri, 16 Oct 2020)</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'>Open-source a bunch of redirects that were in sunrise.php (and a handful of similarly related redirects that didn't exist).

This will hopefully allow simpler recording of some of the generic redirects that are active, and may allow others to easier add/patch them.

See <a href="http://meta.trac.wordpress.org/ticket/5345">#5345</a>.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#sitestrunkwordpressorgpublic_htmlwpcontentmupluginspubwporgredirectsphp">sites/trunk/wordpress.org/public_html/wp-content/mu-plugins/pub/wporg-redirects.php</a></li>
</ul>

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<h3>Diff</h3>
<a id="sitestrunkwordpressorgpublic_htmlwpcontentmupluginspubwporgredirectsphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: sites/trunk/wordpress.org/public_html/wp-content/mu-plugins/pub/wporg-redirects.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- sites/trunk/wordpress.org/public_html/wp-content/mu-plugins/pub/wporg-redirects.php       2020-10-16 05:06:16 UTC (rev 10384)
+++ sites/trunk/wordpress.org/public_html/wp-content/mu-plugins/pub/wporg-redirects.php 2020-10-16 07:02:54 UTC (rev 10385)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -5,13 +5,145 @@
</span><span class="cx" style="display: block; padding: 0 10px">  */
</span><span class="cx" style="display: block; padding: 0 10px"> if ( 1 === get_current_blog_id() ) {
</span><span class="cx" style="display: block; padding: 0 10px">        add_action( 'template_redirect', function() {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                // WordPress.org/feed/* should redirect to WordPress.org/news/feed/*
</ins><span class="cx" style="display: block; padding: 0 10px">                 if ( is_feed() ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        // WordPress.org/feed/* should redirect to WordPress.org/news/feed/*
</del><span class="cx" style="display: block; padding: 0 10px">                         wp_safe_redirect( '/news/feed/' . ( 'feed' !== get_query_var('feed') ? get_query_var('feed') : '' ), 301 );
</span><span class="cx" style="display: block; padding: 0 10px">                        exit;
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+               // WordPress.org does not have a specific site search, only the global WordPress.org search
</ins><span class="cx" style="display: block; padding: 0 10px">                 } elseif ( is_search() ) {
</span><span class="cx" style="display: block; padding: 0 10px">                        wp_safe_redirect( '/search/' . urlencode( get_query_var('s') ), 301 );
</span><span class="cx" style="display: block; padding: 0 10px">                        exit;
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+               } elseif ( is_404() ) {
+                       $path_redirects = [
+                               // The news blog is often thought to be at /blog
+                               '/blog' => '/news/',
+
+                               // new Downloads pages https://meta.trac.wordpress.org/ticket/3673
+                               '/download/beta'            => '/download/beta-nightly/',
+                               '/download/nightly'         => '/download/beta-nightly/',
+                               '/download/release-archive' => '/download/releases/',
+                               '/download/legacy'          => '/download/',
+
+                               // Five for the Future site aliases
+                               '/5'                => '/five-for-the-future/',
+                               '/five'             => '/five-for-the-future/',
+                               '/5-for-the-future' => '/five-for-the-future/',
+                               '/5forthefuture'    => '/five-for-the-future/',
+                               '/fiveforthefuture' => '/five-for-the-future/',
+                       ];
+
+                       foreach ( $path_redirects as $test => $redirect ) {
+                               if ( 0 === strpos( $_SERVER['REQUEST_URI'], $test ) ) {
+
+                                       // override nocache_headers();
+                                       header_remove( 'expires' );
+                                       header_remove( 'cache-control' );
+
+                                       wp_safe_redirect( $redirect, 301 );
+                                       exit;
+                               }
+                       }
</ins><span class="cx" style="display: block; padding: 0 10px">                 }
</span><span class="cx" style="display: block; padding: 0 10px">        }, 9 ); // Before redirect_canonical();
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+/**
+ * Redirect some common urls to the proper location.
+ */
+add_action( 'template_redirect', function() {
+       $host = $_SERVER['HTTP_HOST'];
+       $path = $_SERVER['REQUEST_URI'];
+
+       if ( ! is_404() ) {
+               return;
+       }
+
+       $path_redirects = [
+               // Singular => Plural for plugin/theme directories
+               '/plugin/' => '/plugins/',
+               '/theme/'  => '/themes/',
+
+               // The plugin directory was available at /plugins-wp/ during a beta-test, and is still linked to.
+               '/plugins-wp/' => '/plugins/',
+
+               // Rosetta txt-download urls were changed to /download/.
+               '/txt-download/' => '/downloads/',
+       ];
+
+       if ( 'make.wordpress.org' === $host ) {
+               // Slack invite url is /chat not /slack.
+               $path_redirects['/slack'] = '/chat/';
+       }
+
+       foreach ( $path_redirects as $test => $redirect ) {
+               if ( 0 === strpos( $path, $test ) || 0 === strpos( $path . '/', $test ) ) {
+
+                       // Include any extra path components. (eg. /plugin/hello-dolly/)
+                       $path = substr( $path, strlen( $test ) );
+                       if ( $path ) {
+                               $redirect .= $path;
+                       }
+
+                       // override nocache_headers();
+                       header_remove( 'expires' );
+                       header_remove( 'cache-control' );
+
+                       wp_safe_redirect( $redirect, 301 );
+                       exit;
+               }
+       }
+
+}, 9 );
+
+/**
+ * Handle the domain-based redirects
+ * 
+ * Called from sunrise.php on ms_site_not_found and ms_network_not_found actions.
+ */
+function wporg_redirect_site_not_found() {
+       // Default location for a not-found site or network is the main WordPress.org homepage.
+       $location = 'https://wordpress.org/';
+       $host     = $_SERVER['HTTP_HOST'];
+
+       switch ( $host ) {
+               // :earth_asia::earth_africa::earth_americas:.wordpress.org
+               case 'xn--tg8hcb.wordpress.org':
+                       $location = 'https://emoji.wordpress.org/';
+                       break;
+
+               // Singular => Plural
+               case 'profile.wordpress.org':
+                       $location = 'https://profiles.wordpress.org' . $_SERVER['REQUEST_URI'];
+                       break;
+
+               // WordPress.org => WordPress.net
+               case 'wp15.wordpress.org':
+               case '2017.wordpress.org':
+               case '2019.wordpress.org':
+               case '2020.wordpress.org':
+               case '2021.wordpress.org':
+                       $location = 'https://' . explode( $host, '.' )[0] . '.wordpress.net/';
+                       break;
+
+               case 'slack.wordpress.org':
+               case 'chat.wordpress.org':
+                       $location = 'https://make.wordpress.org/chat/';
+                       break;
+
+               // Plural => Singular
+               case 'developers.wordpress.org':
+                       $location = 'https://developer.wordpress.org/';
+                       break;
+       }
+
+       if ( ! headers_sent() ) {
+               header( 'Location: ' . $location, true, 301 );
+       } else {
+               // Headers should not have been sent at this point in time.
+               // On some pages, such as wp-cron.php the request has been terminated prior to WordPress loading, and so headers were "sent".
+               echo "<a href='$location'>$location</a>";
+       }
+       exit;
+}
</ins><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of file
</span></span></pre>
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