[CORL-264] Fixes bug with purify (#2187)

* fix: fixed bug with purify

* refactor: changed variable assignment default

* refactor: fixed default variable assignment

* fix: repaired tests for <strong> -> <b>

package-lock.json

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-      "integrity": "sha512-YQ+BmxuTgd6UXZW3+ICGfyqRyHXVlD5GtQr5+qjiNW7bF0cqrzX500HVXPBOvgXb5YnzDd+h0zqyv61KUD7+Sg==",
-      "dev": true
+      "integrity": "sha512-YQ+BmxuTgd6UXZW3+ICGfyqRyHXVlD5GtQr5+qjiNW7bF0cqrzX500HVXPBOvgXb5YnzDd+h0zqyv61KUD7+Sg=="
     },
     "webpack": {
       "version": "4.27.1",
@@ -28538,7 +28496,6 @@
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/whatwg-encoding/-/whatwg-encoding-1.0.5.tgz",
       "integrity": "sha512-b5lim54JOPN9HtzvK9HFXvBma/rnfFeqsic0hSpjtDbVxR3dJKLc+KB4V6GgiGOvl7CY/KNh8rxSo9DKQrnUEw==",
-      "dev": true,
       "requires": {
         "iconv-lite": "0.4.24"
       },
@@ -28547,7 +28504,6 @@
           "version": "0.4.24",
           "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.24.tgz",
           "integrity": "sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==",
-          "dev": true,
           "requires": {
             "safer-buffer": ">= 2.1.2 < 3"
           }
@@ -28563,14 +28519,12 @@
     "whatwg-mimetype": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/whatwg-mimetype/-/whatwg-mimetype-2.3.0.tgz",
-      "integrity": "sha512-M4yMwr6mAnQz76TbJm914+gPpB/nCwvZbJU28cUD6dR004SAxDLOOSUaB1JDRqLtaOV/vi0IC5lEAGFgrjGv/g==",
-      "dev": true
+      "integrity": "sha512-M4yMwr6mAnQz76TbJm914+gPpB/nCwvZbJU28cUD6dR004SAxDLOOSUaB1JDRqLtaOV/vi0IC5lEAGFgrjGv/g=="
     },
     "whatwg-url": {
       "version": "6.5.0",
       "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-6.5.0.tgz",
       "integrity": "sha512-rhRZRqx/TLJQWUpQ6bmrt2UV4f0HCQ463yQuONJqC6fO2VoEb1pTYddbe59SkYq87aoM5A3bdhMZiUiVws+fzQ==",
-      "dev": true,
       "requires": {
         "lodash.sortby": "^4.7.0",
         "tr46": "^1.0.1",
@@ -28631,8 +28585,7 @@
     "wordwrap": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
-      "integrity": "sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus=",
-      "dev": true
+      "integrity": "sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus="
     },
     "worker-farm": {
       "version": "1.6.0",
@@ -28715,8 +28668,7 @@
     "xml-name-validator": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/xml-name-validator/-/xml-name-validator-3.0.0.tgz",
-      "integrity": "sha512-A5CUptxDsvxKJEU3yO6DuWBSJz/qizqzJKOMIfUJHETbBw/sFaDxgd6fxm1ewUaM0jZ444Fc5vC5ROYurg/4Pw==",
-      "dev": true
+      "integrity": "sha512-A5CUptxDsvxKJEU3yO6DuWBSJz/qizqzJKOMIfUJHETbBw/sFaDxgd6fxm1ewUaM0jZ444Fc5vC5ROYurg/4Pw=="
     },
     "xregexp": {
       "version": "4.0.0",

package.json

@@ -30,7 +30,7 @@
     "generate:schema": "node ./scripts/generateSchemaTypes.js",
     "docz": "docz",
     "start": "NODE_ENV=production node dist/index.js",
-    "start:development": "NODE_ENV=development CONCURRENCY=2 TS_NODE_PROJECT=./src/tsconfig.json node -r ts-node/register -r tsconfig-paths/register ./src/index.ts",
+    "start:development": "NODE_ENV=development CONCURRENCY=${CONCURRENCY:-2} TS_NODE_PROJECT=./src/tsconfig.json node -r ts-node/register -r tsconfig-paths/register ./src/index.ts",
     "start:webpackDevServer": "ts-node ./scripts/start.ts",
     "lint": "npm-run-all --parallel lint:* tscheck:*",
     "lint:server": "tslint --project ./src/tsconfig.json",

src/core/client/admin/routes/moderate/components/CommentContent.spec.tsx

@@ -7,10 +7,10 @@ import { PropTypesOf } from "talk-framework/types";
 
 it("renders correctly", () => {
   const props: PropTypesOf<typeof CommentContent> = {
-    suspectWords: ["idiot", "damn"],
-    bannedWords: ["fuck", "fucking"],
+    suspectWords: ["worse"],
+    bannedWords: ["bad"],
     className: "custom",
-    children: "Hello <strong>idiot</strong>, you fucking bastard",
+    children: "Hello <b>Bob</b>, you bad guy",
   };
   const renderer = createRenderer();
   renderer.render(<CommentContent {...props} />);
@@ -22,7 +22,7 @@ it("renders empty words correctly", () => {
     suspectWords: [],
     bannedWords: [],
     className: "custom",
-    children: "Hello <strong>idiot</strong>, you fucking bastard",
+    children: "Hello <b>Bob</b>, you bad guy",
   };
   const renderer = createRenderer();
   renderer.render(<CommentContent {...props} />);

src/core/client/admin/routes/moderate/components/__snapshots__/CommentContent.spec.tsx.snap

@@ -6,7 +6,7 @@ exports[`renders correctly 1`] = `
   container="div"
   dangerouslySetInnerHTML={
     Object {
-      "__html": "Hello <strong><span><mark>idiot</mark></span></strong><span>, you <mark>fucking</mark> bastard</span>",
+      "__html": "Hello <b>Bob</b><span>, you <mark>bad</mark> guy</span>",
     }
   }
 />
@@ -18,7 +18,7 @@ exports[`renders empty words correctly 1`] = `
   container="div"
   dangerouslySetInnerHTML={
     Object {
-      "__html": "Hello <strong>idiot</strong>, you fucking bastard",
+      "__html": "Hello <b>Bob</b>, you bad guy",
     }
   }
 />

src/core/client/stream/test/comments/__snapshots__/postComment.spec.tsx.snap

@@ -62,7 +62,7 @@ exports[`post a comment: optimistic response 1`] = `
               className="HTMLContent-root"
               dangerouslySetInnerHTML={
                 Object {
-                  "__html": "<strong>Hello world!</strong>",
+                  "__html": "<b>Hello world!</b>",
                 }
               }
             />

src/core/client/stream/test/comments/__snapshots__/postLocalReply.spec.tsx.snap

@@ -400,7 +400,7 @@ exports[`post a reply: optimistic response 1`] = `
                   className="HTMLContent-root"
                   dangerouslySetInnerHTML={
                     Object {
-                      "__html": "<strong>Hello world!</strong>",
+                      "__html": "<b>Hello world!</b>",
                     }
                   }
                 />

src/core/client/stream/test/comments/__snapshots__/postReply.spec.tsx.snap

@@ -385,7 +385,7 @@ exports[`post a reply: optimistic response 1`] = `
                   className="HTMLContent-root"
                   dangerouslySetInnerHTML={
                     Object {
-                      "__html": "<strong>Hello world!</strong>",
+                      "__html": "<b>Hello world!</b>",
                     }
                   }
                 />

src/core/client/stream/test/comments/postComment.spec.tsx

@@ -33,7 +33,7 @@ beforeEach(() => {
             .withArgs(undefined, {
               input: {
                 storyID: stories[0].id,
-                body: "<strong>Hello world!</strong>",
+                body: "<b>Hello world!</b>",
                 clientMutationId: "0",
               },
             })
@@ -45,7 +45,7 @@ beforeEach(() => {
                   ...baseComment,
                   id: "comment-x",
                   author: users[0],
-                  body: "<strong>Hello world! (from server)</strong>",
+                  body: "<b>Hello world! (from server)</b>",
                 },
               },
               clientMutationId: "0",
@@ -72,7 +72,7 @@ it("post a comment", async () => {
 
   testRenderer.root
     .findByProps({ inputId: "comments-postCommentForm-field" })
-    .props.onChange({ html: "<strong>Hello world!</strong>" });
+    .props.onChange({ html: "<b>Hello world!</b>" });
 
   timekeeper.freeze(new Date(baseComment.createdAt));
 
@@ -90,7 +90,7 @@ it("post a comment", async () => {
   // Test for server response.
   await waitForElement(() =>
     within(within(tabPane).queryAllByTestID(/^comment-/)[0]).getByText(
-      "<strong>Hello world! (from server)</strong>"
+      "<b>Hello world! (from server)</b>"
     )
   );
 });

src/core/client/stream/test/comments/postLocalReply.spec.tsx

@@ -40,7 +40,7 @@ beforeEach(() => {
                 storyID: storyWithDeepestReplies.id,
                 parentID: "comment-with-deepest-replies-5",
                 parentRevisionID: "revision-0",
-                body: "<strong>Hello world!</strong>",
+                body: "<b>Hello world!</b>",
                 clientMutationId: "0",
               },
             })
@@ -51,7 +51,7 @@ beforeEach(() => {
                   ...baseComment,
                   id: "comment-x",
                   author: users[0],
-                  body: "<strong>Hello world! (from server)</strong>",
+                  body: "<b>Hello world! (from server)</b>",
                 },
               },
               clientMutationId: "0",
@@ -103,7 +103,7 @@ it("post a reply", async () => {
     .findByProps({
       inputId: "comments-replyCommentForm-rte-comment-with-deepest-replies-5",
     })
-    .props.onChange({ html: "<strong>Hello world!</strong>" });
+    .props.onChange({ html: "<b>Hello world!</b>" });
 
   timekeeper.freeze(new Date(baseComment.createdAt));
   form.props.onSubmit();

src/core/client/stream/test/comments/postReply.spec.tsx

@@ -35,7 +35,7 @@ beforeEach(() => {
                 storyID: stories[0].id,
                 parentID: stories[0].comments.edges[0].node.id,
                 parentRevisionID: stories[0].comments.edges[0].node.revision.id,
-                body: "<strong>Hello world!</strong>",
+                body: "<b>Hello world!</b>",
                 clientMutationId: "0",
               },
             })
@@ -46,7 +46,7 @@ beforeEach(() => {
                   ...baseComment,
                   id: "comment-x",
                   author: users[0],
-                  body: "<strong>Hello world! (from server)</strong>",
+                  body: "<b>Hello world! (from server)</b>",
                 },
               },
               clientMutationId: "0",
@@ -84,7 +84,7 @@ it("post a reply", async () => {
   // Write reply .
   testRenderer.root
     .findByProps({ inputId: "comments-replyCommentForm-rte-comment-0" })
-    .props.onChange({ html: "<strong>Hello world!</strong>" });
+    .props.onChange({ html: "<b>Hello world!</b>" });
 
   timekeeper.freeze(new Date(baseComment.createdAt));
   form.props.onSubmit();

src/core/common/utils/purify.spec.ts

@@ -44,3 +44,9 @@ it("allows anchor tags and counts them correctly", () => {
   expect(body).toMatchSnapshot();
   expect(linkCount).toEqual(2);
 });
+
+it("allows bolded tags", () => {
+  const input = "A <b>bolded comment!</b>";
+  const { body } = sanitizeCommentBody(DOMPurify, input);
+  expect(body).toEqual(input);
+});

src/core/common/utils/purify.ts

@@ -11,7 +11,7 @@ export function createPurify<T extends boolean = true>(
   purify.setConfig({
     // Only forward anchor tags, bold, italics, blockquote, breaks, divs, and
     // spans.
-    ALLOWED_TAGS: ["a", "strong", "i", "blockquote", "br", "div", "span"],
+    ALLOWED_TAGS: ["a", "b", "i", "blockquote", "br", "div", "span"],
     // Only allow href tags for anchor tags.
     ALLOWED_ATTR: ["href"],
     // Always return the DOM to the caller of sanitize.