WordPress 4.4-scripts

[autoinstalls/wordpress.git] / wp-includes / js / tinymce / plugins / paste / plugin.js

diff --git a/wp-includes/js/tinymce/plugins/paste/plugin.js b/wp-includes/js/tinymce/plugins/paste/plugin.js
index 9c504700d95ae8cd5cdb6ccd711902f9649647d6..a814d0b0aa1c17a84210503967e66fbded1d4a51 100644 (file)
--- a/wp-includes/js/tinymce/plugins/paste/plugin.js
+++ b/wp-includes/js/tinymce/plugins/paste/plugin.js
@@ -512,6 +512,56 @@ define("tinymce/pasteplugin/Clipboard", [
                        return html;
                }
 
+               /**
+                * Some Windows 10/Edge versions will return a double encoded string. This checks if the
+                * content has this odd encoding and decodes it.
+                */
+               function decodeEdgeData(data) {
+                       var i, out, fingerprint, code;
+
+                       // Check if data is encoded
+                       fingerprint = [25942, 29554, 28521, 14958];
+                       for (i = 0; i < fingerprint.length; i++) {
+                               if (data.charCodeAt(i) != fingerprint[i]) {
+                                       return data;
+                               }
+                       }
+
+                       // Decode UTF-16 to UTF-8
+                       out = '';
+                       for (i = 0; i < data.length; i++) {
+                               code = data.charCodeAt(i);
+
+                               /*eslint no-bitwise:0*/
+                               out += String.fromCharCode((code & 0x00FF));
+                               out += String.fromCharCode((code & 0xFF00) >> 8);
+                       }
+
+                       // Decode UTF-8
+                       return decodeURIComponent(escape(out));
+               }
+
+               /**
+                * Extracts HTML contents from within a fragment.
+                */
+               function extractFragment(data) {
+                       var idx, startFragment, endFragment;
+
+                       startFragment = '<!--StartFragment-->';
+                       idx = data.indexOf(startFragment);
+                       if (idx !== -1) {
+                               data = data.substr(idx + startFragment.length);
+                       }
+
+                       endFragment = '<!--EndFragment-->';
+                       idx = data.indexOf(endFragment);
+                       if (idx !== -1) {
+                               data = data.substr(0, idx);
+                       }
+
+                       return data;
+               }
+
                /**
                 * Gets various content types out of a datatransfer object.
                 *
@@ -519,7 +569,7 @@ define("tinymce/pasteplugin/Clipboard", [
                 * @return {Object} Object with mime types and data for those mime types.
                 */
                function getDataTransferItems(dataTransfer) {
-                       var data = {};
+                       var items = {};
 
                        if (dataTransfer) {
                                // Use old WebKit/IE API
@@ -527,20 +577,26 @@ define("tinymce/pasteplugin/Clipboard", [
                                        var legacyText = dataTransfer.getData('Text');
                                        if (legacyText && legacyText.length > 0) {
                                                if (legacyText.indexOf(mceInternalUrlPrefix) == -1) {
-                                                       data['text/plain'] = legacyText;
+                                                       items['text/plain'] = legacyText;
                                                }
                                        }
                                }
 
                                if (dataTransfer.types) {
                                        for (var i = 0; i < dataTransfer.types.length; i++) {
-                                               var contentType = dataTransfer.types[i];
-                                               data[contentType] = dataTransfer.getData(contentType);
+                                               var contentType = dataTransfer.types[i],
+                                                       data = dataTransfer.getData(contentType);
+
+                                               if (contentType == 'text/html') {
+                                                       data = extractFragment(decodeEdgeData(data));
+                                               }
+
+                                               items[contentType] = data;
                                        }
                                }
                        }
 
-                       return data;
+                       return items;
                }
 
                /**
@@ -1355,7 +1411,9 @@ define("tinymce/pasteplugin/WordFilter", [
                                }
 
                                // Serialize DOM back to HTML
-                               e.content = new Serializer({}, schema).serialize(rootNode);
+                               e.content = new Serializer({
+                                       validate: settings.validate
+                               }, schema).serialize(rootNode);
                        }
                });
        }