From 9b55c4565b2d1f09e122cd25be5a89b7c3d31e09 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alexandre=20K=C3=BChn?= <aku@odoo.com>
Date: Thu, 15 Jun 2023 16:18:04 +0000
Subject: [PATCH] [FIX] mail: linkify message content
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closes odoo/odoo#125307

X-original-commit: 406ff4727e361588bded08c6719f932a8b800b35
Signed-off-by: Sébastien Theys (seb) <seb@odoo.com>
Signed-off-by: Alexandre Kühn (aku) <aku@odoo.com>
---
 addons/mail/static/src/utils/common/format.js | 53 ++++++++++++-------
 addons/mail/static/tests/mail_utils_tests.js  | 10 ++--
 2 files changed, 39 insertions(+), 24 deletions(-)

diff --git a/addons/mail/static/src/utils/common/format.js b/addons/mail/static/src/utils/common/format.js
index e1005ee1d59..f55c7a2f083 100644
--- a/addons/mail/static/src/utils/common/format.js
+++ b/addons/mail/static/src/utils/common/format.js
@@ -8,6 +8,25 @@ import { url } from "@web/core/utils/urls";
 const urlRegexp =
     /\b(?:https?:\/\/\d{1,3}(?:\.\d{1,3}){3}|(?:https?:\/\/|(?:www\.))[-a-z0-9@:%._+~#=\u00C0-\u024F\u1E00-\u1EFF]{2,256}\.[a-z]{2,13})\b(?:[-a-z0-9@:%_+~#?&[\]^|{}`\\'$//=\u00C0-\u024F\u1E00-\u1EFF]|,(?!$| )|\.(?!$| |\.)|;(?!$| ))*/gi;
 
+/**
+ * Escape < > & as html entities
+ *
+ * @param {string}
+ * @return {string}
+ */
+const _escapeEntities = (function () {
+    const map = { "&": "&amp;", "<": "&lt;", ">": "&gt;" };
+    const escaper = function (match) {
+        return map[match];
+    };
+    const testRegexp = RegExp("(?:&|<|>)");
+    const replaceRegexp = RegExp("(?:&|<|>)", "g");
+    return function (string) {
+        string = string == null ? "" : "" + string;
+        return testRegexp.test(string) ? string.replace(replaceRegexp, escaper) : string;
+    };
+})();
+
 /**
  * @param rawBody {string}
  * @param validRecords {Object}
@@ -40,7 +59,7 @@ export async function prettifyMessageContent(rawBody, validRecords = []) {
  * @param {function} transformFunction
  * @returns {string}
  */
-function parseAndTransform(htmlString, transformFunction) {
+export function parseAndTransform(htmlString, transformFunction) {
     const openToken = "OPEN" + Date.now();
     const string = htmlString.replace(/&lt;/g, openToken);
     let children;
@@ -80,29 +99,25 @@ function _parseAndTransform(nodes, transformFunction) {
 
 /**
  * @param {string} text
- * @param {Object} [attrs={}]
  * @return {string} linkified text
  */
-function linkify(text, attrs) {
-    attrs = attrs || {};
-    if (attrs.target === undefined) {
-        attrs.target = "_blank";
+function linkify(text) {
+    let curIndex = 0;
+    let result = "";
+    let match;
+    while ((match = urlRegexp.exec(text)) !== null) {
+        result += _escapeEntities(text.slice(curIndex, match.index));
+        const url = match[0];
+        const href = encodeURI(!/^https?:\/\//i.test(url) ? "http://" + url : url);
+        result += `<a target="_blank" rel="noreferrer noopener" href="${href}">${_escapeEntities(
+            url
+        )}</a>`;
+        curIndex = match.index + match[0].length;
     }
-    if (attrs.target === "_blank") {
-        attrs.rel = "noreferrer noopener";
-    }
-    attrs = Object.keys(attrs)
-        .map(function (key) {
-            return key + '="' + escape(attrs[key]) + '"';
-        })
-        .join(" ");
-    return text.replace(urlRegexp, function (url) {
-        var href = !/^https?:\/\//i.test(url) ? "http://" + url : url;
-        return "<a " + attrs + ' href="' + href + '">' + url + "</a>";
-    });
+    return result + _escapeEntities(text.slice(curIndex));
 }
 
-function addLink(node, transformChildren) {
+export function addLink(node, transformChildren) {
     if (node.nodeType === 3) {
         // text node
         const linkified = linkify(node.data);
diff --git a/addons/mail/static/tests/mail_utils_tests.js b/addons/mail/static/tests/mail_utils_tests.js
index 6f6853953b1..df7ae3c57af 100644
--- a/addons/mail/static/tests/mail_utils_tests.js
+++ b/addons/mail/static/tests/mail_utils_tests.js
@@ -1,6 +1,6 @@
 /* @odoo-module */
 
-import * as utils from "@mail/js/utils";
+import { addLink, parseAndTransform } from "@mail/utils/common/format";
 import { start, startServer } from "@mail/../tests/helpers/test_utils";
 
 QUnit.module("Mail utils");
@@ -21,7 +21,7 @@ QUnit.test("add_link utility function", function (assert) {
     };
 
     for (const [content, willLinkify] of Object.entries(testInputs)) {
-        const output = utils.parseAndTransform(content, utils.addLink);
+        const output = parseAndTransform(content, addLink);
         if (willLinkify) {
             assert.strictEqual(output.indexOf("<a "), 0);
             assert.strictEqual(output.indexOf("</a>"), output.length - 4);
@@ -55,14 +55,14 @@ QUnit.test("addLink: utility function and special entities", function (assert) {
     };
 
     for (const [content, result] of Object.entries(testInputs)) {
-        const output = utils.parseAndTransform(content, utils.addLink);
+        const output = parseAndTransform(content, addLink);
         assert.strictEqual(output, result);
     }
 });
 
 QUnit.test("addLink: linkify inside text node (1 occurrence)", function (assert) {
     const content = "<p>some text https://somelink.com</p>";
-    const linkified = utils.parseAndTransform(content, utils.addLink);
+    const linkified = parseAndTransform(content, addLink);
     assert.ok(linkified.startsWith("<p>some text <a"));
     assert.ok(linkified.endsWith("</a></p>"));
 
@@ -83,7 +83,7 @@ QUnit.test("addLink: linkify inside text node (2 occurrences)", function (assert
     // stringified representation, we continue deeper assertion with query
     // selectors.
     const content = "<p>some text https://somelink.com and again https://somelink2.com ...</p>";
-    const linkified = utils.parseAndTransform(content, utils.addLink);
+    const linkified = parseAndTransform(content, addLink);
     const fragment = document.createDocumentFragment();
     const div = document.createElement("div");
     fragment.appendChild(div);