Fix XSS issues

This commit contains xsslint fixes for the following Jira Tickets: PROD-1255 PROD-1256 PROD-1258 PROD-1280 PROD-1281 PROD-1282 PROD-1283 PROD-1284 PROD-1285 PROD-1288 PROD-1464 PROD-1569 PROD-1570 PROD-1571 PROD-1572 PROD-1574
openedx · Jun 19, 2020 · 1ab907b · 1ab907b
1 parent c611b86
commit 1ab907b
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Showing 16 changed files with 213 additions and 174 deletions.
diff --git a/cms/static/js/certificates/views/certificate_editor.js b/cms/static/js/certificates/views/certificate_editor.js
@@ -8,10 +8,11 @@ define([
     'js/views/list_item_editor',
     'js/certificates/models/signatory',
     'js/certificates/views/signatory_editor',
-    'text!templates/certificate-editor.underscore'
+    'text!templates/certificate-editor.underscore',
+    'edx-ui-toolkit/js/utils/html-utils'
 ],
 function($, _, Backbone, gettext,
-         ListItemEditorView, SignatoryModel, SignatoryEditorView, certificateEditorTemplate) {
+         ListItemEditorView, SignatoryModel, SignatoryEditorView, certificateEditorTemplate, HtmlUtils) {
     'use strict';
 
     // If signatories limit is required to specific value then we can change it.
@@ -75,7 +76,7 @@ function($, _, Backbone, gettext,
                     isEditingAllCollections: true,
                     eventAgg: self.eventAgg
                 });
-                self.$('div.signatory-edit-list').append($(signatory_view.render()));
+                self.$('div.signatory-edit-list').append(HtmlUtils.HTML((signatory_view.render())).toString());
             });
             this.disableAddSignatoryButton();
             return this;

diff --git a/cms/static/js/certificates/views/certificate_preview.js b/cms/static/js/certificates/views/certificate_preview.js
@@ -8,9 +8,10 @@ define([
     'js/views/baseview',
     'common/js/components/utils/view_utils',
     'common/js/components/views/feedback_notification',
-    'text!templates/certificate-web-preview.underscore'
+    'text!templates/certificate-web-preview.underscore',
+    'edx-ui-toolkit/js/utils/html-utils'
 ],
-function(_, gettext, BaseView, ViewUtils, NotificationView, certificateWebPreviewTemplate) {
+function(_, gettext, BaseView, ViewUtils, NotificationView, certificateWebPreviewTemplate, HtmlUtils) {
     'use strict';
     var CertificateWebPreview = BaseView.extend({
         el: $('.preview-certificate'),
@@ -27,7 +28,7 @@ function(_, gettext, BaseView, ViewUtils, NotificationView, certificateWebPrevie
         },
 
         render: function() {
-            this.$el.html(_.template(certificateWebPreviewTemplate)({
+            HtmlUtils.setHtml(this.$el, HtmlUtils.template(certificateWebPreviewTemplate)({
                 course_modes: this.course_modes,
                 certificate_web_view_url: this.certificate_web_view_url,
                 is_active: this.is_active
@@ -36,13 +37,8 @@ function(_, gettext, BaseView, ViewUtils, NotificationView, certificateWebPrevie
         },
 
         toggleCertificateActivation: function() {
-            var msg = 'Activating';
-            if (this.is_active) {
-                msg = 'Deactivating';
-            }
-
             var notification = new NotificationView.Mini({
-                title: gettext(msg)
+                title: gettext(this.is_active ? 'Deactivating' : 'Activating')
             });
 
             $.ajax({

diff --git a/cms/static/js/certificates/views/signatory_details.js b/cms/static/js/certificates/views/signatory_details.js
@@ -11,10 +11,11 @@ define([
     'js/views/baseview',
     'js/certificates/views/signatory_editor',
     'text!templates/signatory-details.underscore',
-    'text!templates/signatory-actions.underscore'
+    'text!templates/signatory-actions.underscore',
+    'edx-ui-toolkit/js/utils/html-utils'
 ],
 function($, _, str, Backbone, gettext, TemplateUtils, ViewUtils, BaseView, SignatoryEditorView,
-          signatoryDetailsTemplate, signatoryActionsTemplate) {
+          signatoryDetailsTemplate, signatoryActionsTemplate, HtmlUtils) {
     'use strict';
     var SignatoryDetailsView = BaseView.extend({
         tagName: 'div',
@@ -52,20 +53,20 @@ function($, _, str, Backbone, gettext, TemplateUtils, ViewUtils, BaseView, Signa
         editSignatory: function(event) {
             // Retrieve the edit view for this model
             if (event && event.preventDefault) { event.preventDefault(); }
-            this.$el.html(this.edit_view.render());
-            $(_.template(signatoryActionsTemplate)()).appendTo(this.el);
+            this.$el.html(HtmlUtils.HTML(this.edit_view.render()).toString());
+            this.$el.append(HtmlUtils.template(signatoryActionsTemplate)().toString());
             this.edit_view.delegateEvents();
             this.delegateEvents();
         },
 
         saveSignatoryData: function(event) {
             // Persist the data for this model
-            if (event && event.preventDefault) { event.preventDefault(); }
             var certificate = this.model.get('certificate');
+            var self = this;
+            if (event && event.preventDefault) { event.preventDefault(); }
             if (!certificate.isValid()) {
                 return;
             }
-            var self = this;
             ViewUtils.runOperationShowingMessage(
                 gettext('Saving'),
                 function() {
@@ -94,7 +95,7 @@ function($, _, str, Backbone, gettext, TemplateUtils, ViewUtils, BaseView, Signa
             var attributes = $.extend({}, this.model.attributes, {
                 signatory_number: this.model.collection.indexOf(this.model) + 1
             });
-            return $(this.el).html(_.template(signatoryDetailsTemplate)(attributes));
+            return HtmlUtils.setHtml(this.$el, HtmlUtils.template(signatoryDetailsTemplate)(attributes));
         }
     });
     return SignatoryDetailsView;

diff --git a/cms/static/js/certificates/views/signatory_editor.js b/cms/static/js/certificates/views/signatory_editor.js
@@ -11,11 +11,12 @@ define([
     'common/js/components/views/feedback_notification',
     'js/models/uploads',
     'js/views/uploads',
-    'text!templates/signatory-editor.underscore'
+    'text!templates/signatory-editor.underscore',
+    'edx-ui-toolkit/js/utils/html-utils'
 ],
 function($, _, Backbone, gettext,
           TemplateUtils, ViewUtils, PromptView, NotificationView, FileUploadModel, FileUploadDialog,
-          signatoryEditorTemplate) {
+          signatoryEditorTemplate, HtmlUtils) {
     'use strict';
     var SignatoryEditorView = Backbone.View.extend({
         tagName: 'div',
@@ -78,7 +79,7 @@ function($, _, Backbone, gettext,
                 is_editing_all_collections: this.isEditingAllCollections,
                 total_saved_signatories: this.getTotalSignatoriesOnServer()
             });
-            return $(this.el).html(_.template(signatoryEditorTemplate)(attributes));
+            return HtmlUtils.setHtml(this.$el, HtmlUtils.template(signatoryEditorTemplate)(attributes));
         },
 
         setSignatoryName: function(event) {
@@ -127,10 +128,9 @@ function($, _, Backbone, gettext,
 
         deleteItem: function(event) {
             // Remove the specified model from the collection
-            if (event && event.preventDefault) { event.preventDefault(); }
             var model = this.model;
             var self = this;
-            var titleTextTemplate = _.template(gettext('Delete "<%= signatoryName %>" from the list of signatories?'));
+            var titleTextTemplate = _.template(gettext('Delete "<%- signatoryName %>" from the list of signatories?'));
             var confirm = new PromptView.Warning({
                 title: titleTextTemplate({signatoryName: model.get('name')}),
                 message: gettext('This action cannot be undone.'),
@@ -148,9 +148,9 @@ function($, _, Backbone, gettext,
                                 deleting.show();
                                 model.destroy({
                                     wait: true,
-                                    success: function(model) {
+                                    success: function(model2) {
                                         deleting.hide();
-                                        self.eventAgg.trigger('onSignatoryRemoved', model);
+                                        self.eventAgg.trigger('onSignatoryRemoved', model2);
                                     }
                                 });
                             }
@@ -165,18 +165,20 @@ function($, _, Backbone, gettext,
                     }
                 }
             });
+            if (event && event.preventDefault) { event.preventDefault(); }
             confirm.show();
         },
 
         uploadSignatureImage: function(event) {
+            var upload, self, modal;
             event.preventDefault();
-            var upload = new FileUploadModel({
+            upload = new FileUploadModel({
                 title: gettext('Upload signature image.'),
                 message: gettext('Image must be in PNG format.'),
                 mimeTypes: ['image/png']
             });
-            var self = this;
-            var modal = new FileUploadDialog({
+            self = this;
+            modal = new FileUploadDialog({
                 model: upload,
                 onSuccess: function(response) {
                     self.model.set('signature_image_path', response.asset.url);
@@ -192,12 +194,13 @@ function($, _, Backbone, gettext,
         */
         toggleValidationErrorMessage: function(modelAttribute) {
             var selector = 'div.add-signatory-' + modelAttribute;
+            var errorMessage;
             if (!this.model.isValid() && _.has(this.model.validationError, modelAttribute)) {
                 // Show the error message if it is not exist before.
                 if (!$(selector).hasClass('error')) {
-                    var errorMessage = this.model.validationError[modelAttribute];
+                    errorMessage = this.model.validationError[modelAttribute];
                     $(selector).addClass('error');
-                    $(selector).append("<span class='message-error'>" + errorMessage + '</span>');
+                    $(selector).append(HtmlUtils.joinHtml(HtmlUtils.HTML("<span class='message-error'>"), errorMessage, HtmlUtils.HTML('</span>')).toString()); // eslint-disable-line max-len
                 }
             } else {
                 // Remove the error message.

diff --git a/cms/static/js/maintenance/force_publish_course.js b/cms/static/js/maintenance/force_publish_course.js
@@ -22,7 +22,11 @@ function($, _, gettext, ViewUtils, StringUtils, HtmlUtils) {
         showError = function(containerElSelector, error) {
             var errorWrapperElSelector, errorHtml;
             errorWrapperElSelector = containerElSelector + ' .wrapper-error';
-            errorHtml = '<div class="error" aria-live="polite" id="course-id-error">' + error + '</div>';
+            errorHtml = HtmlUtils.joinHtml(
+                HtmlUtils.HTML('<div class="error" aria-live="polite" id="course-id-error">'),
+                error,
+                HtmlUtils.HTML('</div>')
+            );
             HtmlUtils.setHtml($(errorWrapperElSelector), HtmlUtils.HTML(errorHtml));
             $(errorWrapperElSelector).css('display', 'inline-block');
             $(errorWrapperElSelector).fadeOut(5000);

diff --git a/cms/static/js/models/settings/course_details.js b/cms/static/js/models/settings/course_details.js
@@ -1,5 +1,8 @@
-define(['backbone', 'underscore', 'gettext', 'js/models/validation_helpers', 'js/utils/date_utils'],
-    function(Backbone, _, gettext, ValidationHelpers, DateUtils) {
+define(['backbone', 'underscore', 'gettext', 'js/models/validation_helpers', 'js/utils/date_utils',
+    'edx-ui-toolkit/js/utils/string-utils'
+],
+    function(Backbone, _, gettext, ValidationHelpers, DateUtils, StringUtils) {
+        'use strict';
         var CourseDetails = Backbone.Model.extend({
             defaults: {
                 org: '',
@@ -51,11 +54,17 @@ define(['backbone', 'underscore', 'gettext', 'js/models/validation_helpers', 'js
                 if (newattrs.start_date && newattrs.end_date && newattrs.start_date >= newattrs.end_date) {
                     errors.end_date = gettext('The course end date must be later than the course start date.');
                 }
-                if (newattrs.start_date && newattrs.enrollment_start && newattrs.start_date < newattrs.enrollment_start) {
-                    errors.enrollment_start = gettext('The course start date must be later than the enrollment start date.');
+                if (newattrs.start_date && newattrs.enrollment_start &&
+                  newattrs.start_date < newattrs.enrollment_start) {
+                    errors.enrollment_start = gettext(
+                      'The course start date must be later than the enrollment start date.'
+                    );
                 }
-                if (newattrs.enrollment_start && newattrs.enrollment_end && newattrs.enrollment_start >= newattrs.enrollment_end) {
-                    errors.enrollment_end = gettext('The enrollment start date cannot be after the enrollment end date.');
+                if (newattrs.enrollment_start && newattrs.enrollment_end &&
+                  newattrs.enrollment_start >= newattrs.enrollment_end) {
+                    errors.enrollment_end = gettext(
+                      'The enrollment start date cannot be after the enrollment end date.'
+                    );
                 }
                 if (newattrs.end_date && newattrs.enrollment_end && newattrs.end_date < newattrs.enrollment_end) {
                     errors.enrollment_end = gettext('The enrollment end date cannot be after the course end date.');
@@ -78,7 +87,9 @@ define(['backbone', 'underscore', 'gettext', 'js/models/validation_helpers', 'js
                         max: 100
                     };
                     if (!ValidationHelpers.validateIntegerRange(newattrs.entrance_exam_minimum_score_pct, range)) {
-                        errors.entrance_exam_minimum_score_pct = interpolate(gettext('Please enter an integer between %(min)s and %(max)s.'), range, true);
+                        errors.entrance_exam_minimum_score_pct = StringUtils.interpolate(gettext(
+                          'Please enter an integer between %(min)s and %(max)s.'
+                        ), range, true);
                     }
                 }
                 if (!_.isEmpty(errors)) return errors;
@@ -90,7 +101,8 @@ define(['backbone', 'underscore', 'gettext', 'js/models/validation_helpers', 'js
             set_videosource: function(newsource) {
         // newsource either is <video youtube="speed:key, *"/> or just the "speed:key, *" string
         // returns the videosource for the preview which iss the key whose speed is closest to 1
-                if (_.isEmpty(newsource) && !_.isEmpty(this.get('intro_video'))) this.set({intro_video: null}, {validate: true});
+                if (_.isEmpty(newsource) &&
+                  !_.isEmpty(this.get('intro_video'))) this.set({intro_video: null}, {validate: true});
         // TODO remove all whitespace w/in string
                 else {
                     if (this.get('intro_video') !== newsource) this.set('intro_video', newsource, {validate: true});

diff --git a/cms/static/js/models/settings/course_grading_policy.js b/cms/static/js/models/settings/course_grading_policy.js
@@ -1,6 +1,7 @@
 /* globals _ */
-define(['backbone', 'js/models/location', 'js/collections/course_grader'],
-    function(Backbone, Location, CourseGraderCollection) {
+define(['backbone', 'js/models/location', 'js/collections/course_grader', 'edx-ui-toolkit/js/utils/string-utils'],
+    function(Backbone, Location, CourseGraderCollection, StringUtils) {
+        'use strict';
         var CourseGradingPolicy = Backbone.Model.extend({
             defaults: {
                 graders: null,  // CourseGraderCollection
@@ -37,9 +38,15 @@ define(['backbone', 'js/models/location', 'js/collections/course_grader'],
             },
             gracePeriodToDate: function() {
                 var newDate = new Date();
-                if (this.has('grace_period') && this.get('grace_period').hours) { newDate.setHours(this.get('grace_period').hours); } else newDate.setHours(0);
-                if (this.has('grace_period') && this.get('grace_period').minutes) { newDate.setMinutes(this.get('grace_period').minutes); } else newDate.setMinutes(0);
-                if (this.has('grace_period') && this.get('grace_period').seconds) { newDate.setSeconds(this.get('grace_period').seconds); } else newDate.setSeconds(0);
+                if (this.has('grace_period') && this.get('grace_period').hours) {
+                    newDate.setHours(this.get('grace_period').hours);
+                } else newDate.setHours(0);
+                if (this.has('grace_period') && this.get('grace_period').minutes) {
+                    newDate.setMinutes(this.get('grace_period').minutes);
+                } else newDate.setMinutes(0);
+                if (this.has('grace_period') && this.get('grace_period').seconds) {
+                    newDate.setSeconds(this.get('grace_period').seconds);
+                } else newDate.setSeconds(0);
 
                 return newDate;
             },
@@ -62,6 +69,7 @@ define(['backbone', 'js/models/location', 'js/collections/course_grader'],
                 return parseInt(minimum_grade_credit);
             },
             validate: function(attrs) {
+                var minimumGradeCutoff;
                 if (_.has(attrs, 'grace_period')) {
                     if (attrs.grace_period === null) {
                         return {
@@ -71,12 +79,13 @@ define(['backbone', 'js/models/location', 'js/collections/course_grader'],
                 }
                 if (this.get('is_credit_course') && _.has(attrs, 'minimum_grade_credit')) {
             // Getting minimum grade cutoff value
-                    var minimum_grade_cutoff = _.min(_.values(attrs.grade_cutoffs));
-                    if (isNaN(attrs.minimum_grade_credit) || attrs.minimum_grade_credit === null || attrs.minimum_grade_credit < minimum_grade_cutoff) {
+                    minimumGradeCutoff = _.min(_.values(attrs.grade_cutoffs));
+                    if (isNaN(attrs.minimum_grade_credit) || attrs.minimum_grade_credit === null ||
+                      attrs.minimum_grade_credit < minimumGradeCutoff) {
                         return {
-                            minimum_grade_credit: interpolate(
+                            minimum_grade_credit: StringUtils.interpolate(
                         gettext('Not able to set passing grade to less than %(minimum_grade_cutoff)s%.'),
-                        {minimum_grade_cutoff: minimum_grade_cutoff * 100},
+                        {minimum_grade_cutoff: minimumGradeCutoff * 100},
                         true
                     )
                         };

diff --git a/cms/static/js/views/abstract_editor.js b/cms/static/js/views/abstract_editor.js
@@ -9,6 +9,7 @@ define(['js/views/baseview', 'underscore'], function(BaseView, _) {
             // Backbone model cid is only unique within the collection.
             this.uniqueId = _.uniqueId(templateName + '_');
             this.template = this.loadTemplate(templateName);
+            // xss-lint: disable=javascript-jquery-html
             this.$el.html(this.template({model: this.model, uniqueId: this.uniqueId}));
             this.listenTo(this.model, 'change', this.render);
             this.render();