TinyMCE, inline link:

- Remove proxying through WordPress to test if an URL exists.
- Fix and enhance the regex that tests if the URL is well formed.

Fixes #36638.
Built from https://develop.svn.wordpress.org/trunk@38159


git-svn-id: http://core.svn.wordpress.org/trunk@38100 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/admin-ajax.php

@@ -64,7 +64,7 @@ $core_actions_post = array(
 	'parse-media-shortcode', 'destroy-sessions', 'install-plugin', 'update-plugin', 'press-this-save-post',
 	'press-this-add-category', 'crop-image', 'generate-password', 'save-wporg-username', 'delete-plugin',
 	'search-plugins', 'search-install-plugins', 'activate-plugin', 'update-theme', 'delete-theme',
-	'install-theme', 'test_url', 'get-post-thumbnail-html',
+	'install-theme', 'get-post-thumbnail-html',
 );
 
 // Deprecated

wp-admin/includes/ajax-actions.php

@@ -3886,46 +3886,3 @@ function wp_ajax_search_install_plugins() {
 
 	wp_send_json_success( $status );
 }
-
-/**
- * Ajax handler for testing if a URL exists.
- *
- * Used in the editor.
- *
- * @since 4.6.0
- */
-function wp_ajax_test_url() {
-	if ( ! current_user_can( 'edit_posts' ) || ! wp_verify_nonce( $_POST['nonce'], 'wp-test-url' ) ) {
-		wp_send_json_error();
-	}
-
-	$href = esc_url_raw( $_POST['href'] );
-
-	// Relative URL
-	if ( strpos( $href, '//' ) !== 0 && in_array( $href[0], array( '/', '#', '?' ), true ) ) {
-		$href = get_bloginfo( 'url' ) . $href;
-	}
-
-	// No redirects
-	$response = wp_safe_remote_get( $href, array(
-		'timeout' => 15,
-		// Use an explicit user-agent
-		'user-agent' => 'WordPress URL Test',
-	) );
-
-	$error = false;
-
-	if ( is_wp_error( $response ) ) {
-		if ( strpos( $response->get_error_message(), 'resolve host' ) !== false ) {
-			$error = true;
-		}
-	} elseif ( wp_remote_retrieve_response_code( $response ) === 404 ) {
-		$error = true;
-	}
-
-	if ( $error ) {
-		wp_send_json_error( array( 'httpError' => true ) );
-	}
-
-	wp_send_json_success();
-}

wp-includes/class-wp-editor.php

@@ -1065,7 +1065,7 @@ final class _WP_Editors {
 			'Ctrl + letter:' => __( 'Ctrl + letter:' ),
 			'Letter' => __( 'Letter' ),
 			'Action' => __( 'Action' ),
-			'Warning: the link has been inserted but the destination cannot be reached.' => __( 'Warning: the link has been inserted but the destination cannot be reached.' ),
+			'Warning: the link has been inserted but may have errors. Please test it.' => __( 'Warning: the link has been inserted but may have errors. Please test it.' ),
 			'To move focus to other buttons use Tab or the arrow keys. To return focus to the editor press Escape or use one of the buttons.' =>
 				__( 'To move focus to other buttons use Tab or the arrow keys. To return focus to the editor press Escape or use one of the buttons.' ),
 			'When starting a new paragraph with one of these formatting shortcuts followed by a space, the formatting will be applied automatically. Press Backspace or Escape to undo.' =>
@@ -1286,13 +1286,7 @@ final class _WP_Editors {
 		</script>
 		<?php
 
-		$has_wplink = in_array( 'wplink', self::$plugins, true );
-
-		if ( $has_wplink ) {
-			echo '<input type="hidden" id="_wplink_urltest_nonce" value="' . wp_create_nonce( 'wp-test-url' ) . '" />';
-		}
-
-		if ( $has_wplink || in_array( 'link', self::$qt_buttons, true ) ) {
+		if ( in_array( 'wplink', self::$plugins, true ) || in_array( 'link', self::$qt_buttons, true ) ) {
 			self::wp_link_dialog();
 		}
 

wp-includes/js/tinymce/plugins/wplink/plugin.js

@@ -93,8 +93,9 @@
 		var doingUndoRedo;
 		var doingUndoRedoTimer;
 		var $ = window.jQuery;
-		var urlErrors = {};
 		var emailRegex = /^(mailto:)?[a-z0-9._%+-]+@[a-z0-9][a-z0-9.-]*\.[a-z]{2,63}$/i;
+		var urlRegex1 = /^https?:\/\/([^\s/?.#-][^\s\/?.#]*\.?)+(\/[^\s"]*)?$/i;
+		var urlRegex2 = /^https?:\/\/[^\/]+\.[^\/]+($|\/)/i;
 		var speak = ( typeof window.wp !== 'undefined' && window.wp.a11y && window.wp.a11y.speak ) ? window.wp.a11y.speak : function() {};
 		var hasLinkError = false;
 
@@ -150,16 +151,6 @@
 			});
 		}
 
-		function setLinkError( $link ) {
-			hasLinkError = true;
-			$link.attr( 'data-wplink-url-error', 'true' );
-			speak( editor.translate( 'Warning: the link has been inserted but the destination cannot be reached.' ), 'assertive' );
-
-			if ( toolbar && toolbar.visible() ) {
-				toolbar.$el.find( '.wp-link-preview a' ).addClass( 'wplink-url-error' );
-			}
-		}
-
 		function checkLink( node ) {
 			var $link = editor.$( node );
 			var href = $link.attr( 'href' );
@@ -170,34 +161,13 @@
 
 			hasLinkError = false;
 
-			if ( /^http/i.test( href ) && ! /^https?:\/\/[a-z0-9][a-z0-9.-]*\.[a-z]{2,63}(\/|$)/i.test( href ) ) {
-				urlErrors[href] = true;
-			}
-
-			if ( urlErrors.hasOwnProperty( href ) ) {
-				setLinkError( $link );
-				return;
+			if ( /^http/i.test( href ) && ( ! urlRegex1.test( href ) || ! urlRegex2.test( href ) ) ) {
+				hasLinkError = true;
+				$link.attr( 'data-wplink-url-error', 'true' );
+				speak( editor.translate( 'Warning: the link has been inserted but may have errors. Please test it.' ), 'assertive' );
 			} else {
 				$link.removeAttr( 'data-wplink-url-error' );
 			}
-
-			$.post(
-				window.ajaxurl, {
-					action: 'test_url',
-					nonce: $( '#_wplink_urltest_nonce' ).val(),
-					href: href
-				},
-				'json'
-			).done( function( response ) {
-				if ( response.success ) {
-					return;
-				}
-
-				if ( response.data && response.data.httpError ) {
-					urlErrors[href] = true;
-					setLinkError( $link );
-				}
-			});
 		}
 
 		editor.on( 'preinit', function() {

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.6-beta4-38158';
+$wp_version = '4.6-beta4-38159';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.