Support Ports on Multisite Domains

.env

@@ -53,13 +53,17 @@ LOCAL_DB_TYPE=mysql
 ##
 LOCAL_DB_VERSION=5.7
 
+# Whether or not to enable multisite.
+LOCAL_MULTISITE=false
+
 # The debug settings to add to `wp-config.php`.
 LOCAL_WP_DEBUG=true
 LOCAL_WP_DEBUG_LOG=true
 LOCAL_WP_DEBUG_DISPLAY=true
 LOCAL_SCRIPT_DEBUG=true
 LOCAL_WP_ENVIRONMENT_TYPE=local
 LOCAL_WP_DEVELOPMENT_MODE=core
+LOCAL_WP_TESTS_DOMAIN=example.org
 
 # The URL to use when running e2e tests.
 WP_BASE_URL=http://localhost:${LOCAL_PORT}

.github/workflows/phpunit-tests-run.yml

@@ -40,6 +40,11 @@ on:
         required: false
         type: 'string'
         default: 'phpunit.xml.dist'
+      tests-domain:
+        description: 'The domain to use for the tests'
+        required: false
+        type: 'string'
+        default: 'example.org'
       report:
         description: 'Whether to report results to WordPress.org Hosting Tests'
         required: false
@@ -50,6 +55,7 @@ env:
   LOCAL_DB_TYPE: ${{ inputs.db-type }}
   LOCAL_DB_VERSION: ${{ inputs.db-version }}
   LOCAL_PHP_MEMCACHED: ${{ inputs.memcached }}
+  LOCAL_WP_TESTS_DOMAIN: ${{ inputs.tests-domain }}
   PHPUNIT_CONFIG: ${{ inputs.phpunit-config }}
   PUPPETEER_SKIP_DOWNLOAD: ${{ true }}
 

.github/workflows/phpunit-tests.yml

@@ -48,6 +48,7 @@ jobs:
         php: [ '7.0', '7.1', '7.2', '7.3', '7.4', '8.0', '8.1', '8.2', '8.3' ]
         db-type: [ 'mysql' ]
         db-version: [ '5.7', '8.0', '8.1', '8.2', '8.3' ]
+        tests-domain: [ 'example.org' ]
         multisite: [ false, true ]
         memcached: [ false ]
 
@@ -57,19 +58,37 @@ jobs:
             php: '7.4'
             db-type: 'mysql'
             db-version: '5.7'
+            tests-domain: 'example.org'
             multisite: false
             memcached: true
           - os: ubuntu-latest
             php: '7.4'
             db-type: 'mysql'
             db-version: '5.7'
+            tests-domain: 'example.org'
             multisite: true
             memcached: true
+          # Include jobs with a port on the test domain for both single and multisite.
+          - os: ubuntu-latest
+            php: '7.4'
+            db-type: 'mysql'
+            db-version: '5.7'
+            tests-domain: 'example.org:8889'
+            multisite: false
+            memcached: false
+          - os: ubuntu-latest
+            php: '7.4'
+            db-type: 'mysql'
+            db-version: '5.7'
+            tests-domain: 'example.org:8889'
+            multisite: true
+            memcached: false
           # Report test results to the Host Test Results.
           - os: ubuntu-latest
             php: '7.4'
             db-type: 'mysql'
             db-version: '5.7'
+            tests-domain: 'example.org'
             multisite: false
             memcached: false
             report: true
@@ -81,6 +100,7 @@ jobs:
       multisite: ${{ matrix.multisite }}
       memcached: ${{ matrix.memcached }}
       phpunit-config: ${{ matrix.multisite && 'tests/phpunit/multisite.xml' || 'phpunit.xml.dist' }}
+      tests-domain: ${{ matrix.tests-domain }}
       report: ${{ matrix.report || false }}
 
   #

src/wp-admin/includes/network.php

@@ -148,26 +148,8 @@ function network_step1( $errors = false ) {
 		die();
 	}
 
-	$hostname  = get_clean_basedomain();
-	$has_ports = strstr( $hostname, ':' );
-	if ( ( false !== $has_ports && ! in_array( $has_ports, array( ':80', ':443' ), true ) ) ) {
-		wp_admin_notice(
-			'<strong>' . __( 'Error:' ) . '</strong> ' . __( 'You cannot install a network of sites with your server address.' ),
-			array(
-				'additional_classes' => array( 'error' ),
-			)
-		);
-
-		echo '<p>' . sprintf(
-			/* translators: %s: Port number. */
-			__( 'You cannot use port numbers such as %s.' ),
-			'<code>' . $has_ports . '</code>'
-		) . '</p>';
-		echo '<a href="' . esc_url( admin_url() ) . '">' . __( 'Go to Dashboard' ) . '</a>';
-		echo '</div>';
-		require_once ABSPATH . 'wp-admin/admin-footer.php';
-		die();
-	}
+	// Strip standard port from hostname.
+	$hostname = preg_replace( '/(?::80|:443)$/', '', get_clean_basedomain() );
 
 	echo '<form method="post">';
 

src/wp-admin/network/site-info.php

@@ -66,8 +66,14 @@
 		}
 
 		$blog_data['scheme'] = $update_parsed_url['scheme'];
+
+		// Make sure to not lose the port if it was provided.
 		$blog_data['domain'] = $update_parsed_url['host'];
-		$blog_data['path']   = $update_parsed_url['path'];
+		if ( isset( $update_parsed_url['port'] ) ) {
+			$blog_data['domain'] .= ':' . $update_parsed_url['port'];
+		}
+
+		$blog_data['path'] = $update_parsed_url['path'];
 	}
 
 	$existing_details     = get_site( $id );

src/wp-includes/embed.php

@@ -627,12 +627,13 @@ function get_oembed_response_data_for_url( $url, $args ) {
 			wp_parse_url( $url ),
 			array(
 				'host' => '',
+				'port' => null,
 				'path' => '/',
 			)
 		);
 
 		$qv = array(
-			'domain'                 => $url_parts['host'],
+			'domain'                 => $url_parts['host'] . ( $url_parts['port'] ? ':' . $url_parts['port'] : '' ),
 			'path'                   => '/',
 			'update_site_meta_cache' => false,
 		);

src/wp-includes/feed.php

@@ -658,8 +658,14 @@ function rss2_site_icon() {
  * @return string Correct link for the atom:self element.
  */
 function get_self_link() {
-	$host = parse_url( home_url() );
-	return set_url_scheme( 'http://' . $host['host'] . wp_unslash( $_SERVER['REQUEST_URI'] ) );
+	$parsed = parse_url( home_url() );
+
+	$domain = $parsed['host'];
+	if ( isset( $parsed['port'] ) ) {
+		$domain .= ':' . $parsed['port'];
+	}
+
+	return set_url_scheme( 'http://' . $domain . wp_unslash( $_SERVER['REQUEST_URI'] ) );
 }
 
 /**

src/wp-includes/media.php

@@ -1352,8 +1352,17 @@ function wp_calculate_image_srcset( $size_array, $image_src, $image_meta, $attac
 	 * If currently on HTTPS, prefer HTTPS URLs when we know they're supported by the domain
 	 * (which is to say, when they share the domain name of the current request).
 	 */
-	if ( is_ssl() && ! str_starts_with( $image_baseurl, 'https' ) && parse_url( $image_baseurl, PHP_URL_HOST ) === $_SERVER['HTTP_HOST'] ) {
-		$image_baseurl = set_url_scheme( $image_baseurl, 'https' );
+	if ( is_ssl() && ! str_starts_with( $image_baseurl, 'https' ) ) {
+		// Since the `Host:` header might contain a port we should
+		// compare it against the image URL using the same port.
+		$parsed = parse_url( $image_baseurl );
+		$domain = $parsed['host'];
+		if ( isset( $parsed['port'] ) ) {
+			$domain .= ':' . $parsed['port'];
+		}
+		if ( $_SERVER['HTTP_HOST'] === $domain ) {
+			$image_baseurl = set_url_scheme( $image_baseurl, 'https' );
+		}
 	}
 
 	/*

src/wp-includes/ms-site.php

@@ -524,11 +524,7 @@ function wp_prepare_site_data( $data, $defaults, $old_site = null ) {
 function wp_normalize_site_data( $data ) {
 	// Sanitize domain if passed.
 	if ( array_key_exists( 'domain', $data ) ) {
-		$data['domain'] = trim( $data['domain'] );
-		$data['domain'] = preg_replace( '/\s+/', '', sanitize_user( $data['domain'], true ) );
-		if ( is_subdomain_install() ) {
-			$data['domain'] = str_replace( '@', '', $data['domain'] );
-		}
+		$data['domain'] = preg_replace( '/[^a-z0-9\-.:]+/i', '', $data['domain'] );
 	}
 
 	// Sanitize path if passed.

tests/phpunit/tests/admin/wpCommentsListTable.php

@@ -204,12 +204,12 @@ public function test_get_views_should_return_views_by_default() {
 		$this->table->prepare_items();
 
 		$expected = array(
-			'all'       => '<a href="http://example.org/wp-admin/edit-comments.php?comment_status=all" class="current" aria-current="page">All <span class="count">(<span class="all-count">0</span>)</span></a>',
-			'mine'      => '<a href="http://example.org/wp-admin/edit-comments.php?comment_status=mine&#038;user_id=0">Mine <span class="count">(<span class="mine-count">0</span>)</span></a>',
-			'moderated' => '<a href="http://example.org/wp-admin/edit-comments.php?comment_status=moderated">Pending <span class="count">(<span class="pending-count">0</span>)</span></a>',
-			'approved'  => '<a href="http://example.org/wp-admin/edit-comments.php?comment_status=approved">Approved <span class="count">(<span class="approved-count">0</span>)</span></a>',
-			'spam'      => '<a href="http://example.org/wp-admin/edit-comments.php?comment_status=spam">Spam <span class="count">(<span class="spam-count">0</span>)</span></a>',
-			'trash'     => '<a href="http://example.org/wp-admin/edit-comments.php?comment_status=trash">Trash <span class="count">(<span class="trash-count">0</span>)</span></a>',
+			'all'       => '<a href="http://' . WP_TESTS_DOMAIN . '/wp-admin/edit-comments.php?comment_status=all" class="current" aria-current="page">All <span class="count">(<span class="all-count">0</span>)</span></a>',
+			'mine'      => '<a href="http://' . WP_TESTS_DOMAIN . '/wp-admin/edit-comments.php?comment_status=mine&#038;user_id=0">Mine <span class="count">(<span class="mine-count">0</span>)</span></a>',
+			'moderated' => '<a href="http://' . WP_TESTS_DOMAIN . '/wp-admin/edit-comments.php?comment_status=moderated">Pending <span class="count">(<span class="pending-count">0</span>)</span></a>',
+			'approved'  => '<a href="http://' . WP_TESTS_DOMAIN . '/wp-admin/edit-comments.php?comment_status=approved">Approved <span class="count">(<span class="approved-count">0</span>)</span></a>',
+			'spam'      => '<a href="http://' . WP_TESTS_DOMAIN . '/wp-admin/edit-comments.php?comment_status=spam">Spam <span class="count">(<span class="spam-count">0</span>)</span></a>',
+			'trash'     => '<a href="http://' . WP_TESTS_DOMAIN . '/wp-admin/edit-comments.php?comment_status=trash">Trash <span class="count">(<span class="trash-count">0</span>)</span></a>',
 		);
 		$this->assertSame( $expected, $this->table->get_views() );
 	}

tests/phpunit/tests/admin/wpPostCommentsListTable.php

@@ -26,12 +26,12 @@ public function test_get_views_should_return_views_by_default() {
 		$this->table->prepare_items();
 
 		$expected = array(
-			'all'       => '<a href="http://example.org/wp-admin/edit-comments.php?comment_status=all" class="current" aria-current="page">All <span class="count">(<span class="all-count">0</span>)</span></a>',
-			'mine'      => '<a href="http://example.org/wp-admin/edit-comments.php?comment_status=mine&#038;user_id=0">Mine <span class="count">(<span class="mine-count">0</span>)</span></a>',
-			'moderated' => '<a href="http://example.org/wp-admin/edit-comments.php?comment_status=moderated">Pending <span class="count">(<span class="pending-count">0</span>)</span></a>',
-			'approved'  => '<a href="http://example.org/wp-admin/edit-comments.php?comment_status=approved">Approved <span class="count">(<span class="approved-count">0</span>)</span></a>',
-			'spam'      => '<a href="http://example.org/wp-admin/edit-comments.php?comment_status=spam">Spam <span class="count">(<span class="spam-count">0</span>)</span></a>',
-			'trash'     => '<a href="http://example.org/wp-admin/edit-comments.php?comment_status=trash">Trash <span class="count">(<span class="trash-count">0</span>)</span></a>',
+			'all'       => '<a href="http://' . WP_TESTS_DOMAIN . '/wp-admin/edit-comments.php?comment_status=all" class="current" aria-current="page">All <span class="count">(<span class="all-count">0</span>)</span></a>',
+			'mine'      => '<a href="http://' . WP_TESTS_DOMAIN . '/wp-admin/edit-comments.php?comment_status=mine&#038;user_id=0">Mine <span class="count">(<span class="mine-count">0</span>)</span></a>',
+			'moderated' => '<a href="http://' . WP_TESTS_DOMAIN . '/wp-admin/edit-comments.php?comment_status=moderated">Pending <span class="count">(<span class="pending-count">0</span>)</span></a>',
+			'approved'  => '<a href="http://' . WP_TESTS_DOMAIN . '/wp-admin/edit-comments.php?comment_status=approved">Approved <span class="count">(<span class="approved-count">0</span>)</span></a>',
+			'spam'      => '<a href="http://' . WP_TESTS_DOMAIN . '/wp-admin/edit-comments.php?comment_status=spam">Spam <span class="count">(<span class="spam-count">0</span>)</span></a>',
+			'trash'     => '<a href="http://' . WP_TESTS_DOMAIN . '/wp-admin/edit-comments.php?comment_status=trash">Trash <span class="count">(<span class="trash-count">0</span>)</span></a>',
 		);
 		$this->assertSame( $expected, $this->table->get_views() );
 	}

tests/phpunit/tests/admin/wpPrivacyRequestsTable.php

@@ -200,7 +200,7 @@ public function data_columns_should_be_sortable() {
 	 */
 	public function test_get_views_should_return_views_by_default() {
 		$expected = array(
-			'all' => '<a href="http://example.org/wp-admin/export-personal-data.php" class="current" aria-current="page">All <span class="count">(0)</span></a>',
+			'all' => '<a href="http://' . WP_TESTS_DOMAIN . '/wp-admin/export-personal-data.php" class="current" aria-current="page">All <span class="count">(0)</span></a>',
 		);
 
 		$this->assertSame( $expected, $this->get_mocked_class_instance()->get_views() );

tests/phpunit/tests/date/getPermalink.php

@@ -35,10 +35,10 @@ public function test_should_return_correct_date_permalink_with_changed_time_zone
 			)
 		);
 
-		$this->assertSame( 'http://example.org/2018/07/22/21/13/23', get_permalink( $post_id ) );
+		$this->assertSame( 'http://' . WP_TESTS_DOMAIN . '/2018/07/22/21/13/23', get_permalink( $post_id ) );
 
 		// phpcs:ignore WordPress.DateTime.RestrictedFunctions.timezone_change_date_default_timezone_set
 		date_default_timezone_set( $timezone );
-		$this->assertSame( 'http://example.org/2018/07/22/21/13/23', get_permalink( $post_id ) );
+		$this->assertSame( 'http://' . WP_TESTS_DOMAIN . '/2018/07/22/21/13/23', get_permalink( $post_id ) );
 	}
 }

tests/phpunit/tests/dependencies/scripts.php

@@ -495,6 +495,8 @@ protected function add_test_inline_script( $handle, $position ) {
 	 * @return array[]
 	 */
 	public function data_provider_to_test_various_strategy_dependency_chains() {
+		$wp_tests_domain = WP_TESTS_DOMAIN;
+
 		return array(
 			'async-dependent-with-one-blocking-dependency' => array(
 				'set_up'          => function () {
@@ -881,8 +883,8 @@ public function data_provider_to_test_various_strategy_dependency_chains() {
 					wp_enqueue_script( 'theme-functions', 'https://example.com/theme-functions.js', array( 'jquery' ), null, array( 'strategy' => 'defer' ) );
 				},
 				'expected_markup' => <<<HTML
-<script type='text/javascript' src='http://example.org/wp-includes/js/jquery/jquery.js' id='jquery-core-js' defer data-wp-strategy='defer'></script>
-<script type='text/javascript' src='http://example.org/wp-includes/js/jquery/jquery-migrate.js' id='jquery-migrate-js' defer data-wp-strategy='defer'></script>
+<script type='text/javascript' src='http://$wp_tests_domain/wp-includes/js/jquery/jquery.js' id='jquery-core-js' defer data-wp-strategy='defer'></script>
+<script type='text/javascript' src='http://$wp_tests_domain/wp-includes/js/jquery/jquery-migrate.js' id='jquery-migrate-js' defer data-wp-strategy='defer'></script>
 <script type='text/javascript' src='https://example.com/theme-functions.js' id='theme-functions-js' defer data-wp-strategy='defer'></script>
 HTML
 				,

tests/phpunit/tests/functions/referer.php

@@ -31,7 +31,9 @@ public function _fake_subfolder_install() {
 	}
 
 	public function filter_allowed_redirect_hosts( $hosts ) {
-		$hosts[] = 'another.' . WP_TESTS_DOMAIN;
+		// Make sure we're only using the hostname and not anything else that might be in the WP_TESTS_DOMAIN.
+		$parsed  = parse_url( 'http://' . WP_TESTS_DOMAIN );
+		$hosts[] = 'another.' . $parsed['host'];
 
 		return $hosts;
 	}

tests/phpunit/tests/functions/wpNonceAys.php

@@ -27,7 +27,7 @@ public function test_wp_nonce_ays() {
 	 */
 	public function test_wp_nonce_ays_log_out() {
 		$this->expectException( 'WPDieException' );
-		$this->expectExceptionMessageMatches( '#You are attempting to log out of Test Blog</p><p>Do you really want to <a href="http://example\.org/wp-login\.php\?action=logout&amp;_wpnonce=.{10}">log out</a>\?#m' );
+		$this->expectExceptionMessageMatches( '#You are attempting to log out of Test Blog</p><p>Do you really want to <a href="http://' . WP_TESTS_DOMAIN . '/wp-login\.php\?action=logout&amp;_wpnonce=.{10}">log out</a>\?#m' );
 		$this->expectExceptionCode( 403 );
 
 		wp_nonce_ays( 'log-out' );

tests/phpunit/tests/general/feedLinksExtra.php

@@ -440,7 +440,7 @@ public function test_feed_links_extra_should_respect_comments_open() {
 
 		$expected  = '<link rel="alternate" type="application/rss+xml"';
 		$expected .= ' title="Test Blog &raquo; Post with no comments Comments Feed"';
-		$expected .= ' href="http://example.org/?feed=rss2&#038;p=' . self::$post_no_comment_id . '" />' . "\n";
+		$expected .= ' href="http://' . WP_TESTS_DOMAIN . '/?feed=rss2&#038;p=' . self::$post_no_comment_id . '" />' . "\n";
 		$this->assertSame( $expected, get_echo( 'feed_links_extra' ) );
 	}
 
@@ -455,7 +455,7 @@ public function test_feed_links_extra_should_respect_pings_open() {
 
 		$expected  = '<link rel="alternate" type="application/rss+xml"';
 		$expected .= ' title="Test Blog &raquo; Post with no comments Comments Feed"';
-		$expected .= ' href="http://example.org/?feed=rss2&#038;p=' . self::$post_no_comment_id . '" />' . "\n";
+		$expected .= ' href="http://' . WP_TESTS_DOMAIN . '/?feed=rss2&#038;p=' . self::$post_no_comment_id . '" />' . "\n";
 		$this->assertSame( $expected, get_echo( 'feed_links_extra' ) );
 	}
 
@@ -470,7 +470,7 @@ public function test_feed_links_extra_should_respect_post_comment_count() {
 
 		$expected  = '<link rel="alternate" type="application/rss+xml"';
 		$expected .= ' title="Test Blog &raquo; Post with a comment Comments Feed"';
-		$expected .= ' href="http://example.org/?feed=rss2&#038;p=' . self::$post_with_comment_id . '" />' . "\n";
+		$expected .= ' href="http://' . WP_TESTS_DOMAIN . '/?feed=rss2&#038;p=' . self::$post_with_comment_id . '" />' . "\n";
 		$this->assertSame( $expected, get_echo( 'feed_links_extra' ) );
 	}
 
@@ -507,7 +507,7 @@ static function () {
 
 		$expected  = '<link rel="alternate" type="testing/foo"';
 		$expected .= ' title="Test Blog &raquo; Post with a comment Comments Feed"';
-		$expected .= ' href="http://example.org/?feed=foo&#038;p=' . self::$post_with_comment_id . '" />' . "\n";
+		$expected .= ' href="http://' . WP_TESTS_DOMAIN . '/?feed=foo&#038;p=' . self::$post_with_comment_id . '" />' . "\n";
 		$this->assertSame( $expected, get_echo( 'feed_links_extra' ) );
 	}