[IMP] web_editor: Add rel="ugc" to some user generated links

See odoo task : https://www.odoo.com/web#action=333&active_id=1695&cids=1&id=2319575&menu_id=4720&model=project.task&view_type=form

closes odoo/odoo#70614

Signed-off-by: David Monjoie (dmo) <dmo@odoo.com>

addons/web_editor/static/src/js/wysiwyg/widgets/link.js

@@ -150,8 +150,14 @@ const Link = Widget.extend({
         const attrs = Object.assign({}, this.data.oldAttributes, {
             href: data.url,
             target: data.isNewWindow ? '_blank' : '',
-            class: `${data.classes}`,
         });
+        if (data.classes) {
+            attrs.class = `${data.classes}`;
+        }
+        if (data.rel) {
+            attrs.rel = `${data.rel}`;
+        }
+
         this.$link.attr(attrs);
         if (!this.$link.attr('target')) {
             this.$link[0].removeAttribute('target');

addons/web_editor/static/src/js/wysiwyg/wysiwyg.js

@@ -79,6 +79,7 @@ const Wysiwyg = Widget.extend({
             isRootEditable: this.options.isRootEditable,
             controlHistoryFromDocument: this.options.controlHistoryFromDocument,
             getContentEditableAreas: this.options.getContentEditableAreas,
+            defaultLinkAttributes: this.options.userGeneratedContent ? {rel: 'ugc' } : {},
             getContextFromParentRect: options.getContextFromParentRect,
             noScrollSelector: 'body, .note-editable, .o_content, #wrapwrap',
             commands: commands,
@@ -586,6 +587,9 @@ const Wysiwyg = Widget.extend({
                 if (!linkWidget.$link.length) {
                     linkWidget.$link = $(linkWidget.getOrCreateLink(this.$editable[0]));
                 }
+                if (this.options.userGeneratedContent) {
+                    data.rel = 'ugc';
+                }
                 linkWidget.applyLinkToDom(data);
 
                 getDeepRange(this.odooEditor.editable, {range: data.range, select: true});

addons/website_forum/static/src/js/website_forum.js

@@ -131,6 +131,7 @@ publicWidget.registry.websiteForum = publicWidget.Widget.extend({
                     res_id: +window.location.pathname.split('-').pop(),
                 },
                 resizable: true,
+                userGeneratedContent: true,
             };
             if (!hasFullEdit) {
                 options.plugins = {

addons/website_profile/static/src/js/website_profile.js

@@ -68,6 +68,7 @@ publicWidget.registry.websiteProfileEditor = publicWidget.Widget.extend({
                 res_id: parseInt(this.$('input[name=user_id]').val()),
             },
             resizable: true,
+            userGeneratedContent: true,
         });
 
         return Promise.all([def]);