From cf9c4c30f7491a92c7017de4e79e7498986042e5 Mon Sep 17 00:00:00 2001
From: David Byers <david.byers@liu.se>
Date: Fri, 22 Jan 2021 12:55:26 +0100
Subject: [PATCH] Added support for copying the original URL. New icon. Code
cleanup.
---
extension/assets/shield.png | Bin 692 -> 0 bytes
extension/background.js | 33 +++++++++---
extension/common.js | 21 ++++++++
extension/content.js | 100 ++++++++++++++----------------------
extension/icon.svg | 23 ++++++++-
extension/manifest.json | 65 ++++++++++++-----------
extension/style.css | 36 ++++++-------
7 files changed, 159 insertions(+), 119 deletions(-)
delete mode 100755 extension/assets/shield.png
create mode 100644 extension/common.js
diff --git a/extension/assets/shield.png b/extension/assets/shield.png
deleted file mode 100755
index d22b20a9cd4d436f465d19dd3f42439f701c856d..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001
literal 692
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diff --git a/extension/background.js b/extension/background.js
index c336d48..1618c3a 100644
--- a/extension/background.js
+++ b/extension/background.js
@@ -1,8 +1,25 @@
-browser.messageDisplayScripts.register({
- css: [{
- file: "/style.css",
- }],
- js: [{
- file: "/content.js",
- }],
-});
+browser.messageDisplayScripts.register({
+ css: [
+ {file: "/style.css"}
+ ],
+ js: [
+ {file: "/common.js"},
+ {file: "/content.js"}
+ ],
+});
+
+
+browser.menus.create({
+ id: "liu-safelinks-copy",
+ title: "Copy original link",
+ contexts: ["link"],
+ visible: true,
+ targetUrlPatterns: ["*://*.safelinks.protection.outlook.com/*"],
+});
+
+browser.menus.onClicked.addListener((info, tab) => {
+ if (info.menuItemId == "liu-safelinks-copy") {
+ navigator.clipboard.writeText(untangleLink(info.linkUrl));
+ }
+});
+
diff --git a/extension/common.js b/extension/common.js
new file mode 100644
index 0000000..e872137
--- /dev/null
+++ b/extension/common.js
@@ -0,0 +1,21 @@
+const safelinksRegexp = new RegExp(
+ 'https?://[^.]+[.]safelinks[.]protection[.]outlook[.]com/[?]url=([^&]+)&.*',
+ 'gi'
+);
+
+function untangleLink(link) {
+ return link.replaceAll(
+ safelinksRegexp, (match, url) => {
+ try {
+ return decodeURIComponent(url);
+ }
+ catch (e) {
+ console.log(e);
+ return url;
+ }
+ });
+}
+
+function isTangledLink(link) {
+ return link.match(safelinksRegexp);
+}
diff --git a/extension/content.js b/extension/content.js
index 4542ea3..32b8707 100644
--- a/extension/content.js
+++ b/extension/content.js
@@ -1,61 +1,39 @@
-// Modify the displayed message to clarify where safelinks are
-// inserted and to show the actual link targets.
-
-const safelinksRegexp = new RegExp(
- 'https?://[^.]+[.]safelinks[.]protection[.]outlook[.]com/[?]url=([^&]+)&.*',
- 'gi'
-);
-
-function getTextNodes(elem) {
- var result = [];
- if (elem) {
- for (var nodes = elem.childNodes, i = nodes.length; i--;) {
- let node = nodes[i];
- let nodeType = node.nodeType;
-
- if (nodeType == Node.TEXT_NODE) {
- result.push(node);
- }
- else if (nodeType == Node.ELEMENT_NODE
- || nodeType == Node.DOCUMENT_NODE
- || nodeType == Node.DOCUMENT_FRAGMENT_NODE) {
- result = result.concat(getTextNodes(node));
- }
- }
- }
- return result;
-}
-
-for (const link of document.links) {
- let display = link.innerHTML;
-
- // Mangle the link text
- for (const node of getTextNodes(link)) {
- node.textContent = node.textContent.replaceAll(
- safelinksRegexp, (match, url) => {
- try {
- return decodeURIComponent(url);
- }
- catch (e) {
- return url;
- }
- });
- }
-
- // Generate the tooltip and set link class
- for (const match of link.href.matchAll(safelinksRegexp)) {
- link.classList.add('liu_safelinks_link');
-
- let tooltiptext = match[1];
- let tooltip = document.createElement('span');
- tooltip.classList.add('liu_safelinks_tooltip');
- try {
- tooltiptext = decodeURIComponent(tooltiptext);
- }
- catch (e) {
- }
- tooltip.textContent = tooltiptext;
- link.appendChild(tooltip);
- break;
- }
-}
+// Modify the displayed message to clarify where safelinks are
+// inserted and to show the actual link targets.
+
+function getTextNodes(elem) {
+ var result = [];
+ if (elem) {
+ for (var nodes = elem.childNodes, i = nodes.length; i--;) {
+ let node = nodes[i];
+ let nodeType = node.nodeType;
+
+ if (nodeType == Node.TEXT_NODE) {
+ result.push(node);
+ }
+ else if (nodeType == Node.ELEMENT_NODE
+ || nodeType == Node.DOCUMENT_NODE
+ || nodeType == Node.DOCUMENT_FRAGMENT_NODE) {
+ result = result.concat(getTextNodes(node));
+ }
+ }
+ }
+ return result;
+}
+
+for (const link of document.links) {
+ // Mangle the link text
+ for (const node of getTextNodes(link)) {
+ node.textContent = untangleLink(node.textContent);
+ }
+
+ // Generate the tooltip and set link class
+ if (isTangledLink(link.href)) {
+ let tooltiptext = untangleLink(link.href);
+ let tooltip = document.createElement('span');
+ tooltip.classList.add('liu_safelinks_tooltip');
+ tooltip.textContent = tooltiptext;
+ link.classList.add('liu_safelinks_link');
+ link.prepend(tooltip);
+ }
+}
diff --git a/extension/icon.svg b/extension/icon.svg
index 3fb919a..dc540fd 100644
--- a/extension/icon.svg
+++ b/extension/icon.svg
@@ -1 +1,22 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 64 64"><defs><linearGradient id="0" gradientUnits="userSpaceOnUse" y1="227.63" x2="0" y2="171.63"><stop stop-color="#2fae61"/><stop offset="1" stop-color="#4bdf88"/></linearGradient></defs><g transform="matrix(.92857 0 0 .92857-676.99-152.79)"><path d="m789.32 182.93c-.017-1.302-1.019-2.377-2.315-2.496-10.772-1.01-19.563-6.764-22.461-8.87-.606-.442-1.426-.442-2.032 0-2.893 2.106-11.683 7.863-22.456 8.87-1.296.119-2.293 1.194-2.315 2.496-.13 8.497 1.234 37.34 25.14 43.762.425.113.872.113 1.296 0 23.905-6.413 25.27-35.27 25.14-43.762" fill="url(#0)"/><path d="m773.85 193.97l-1.89-1.89c-.259-.259-.574-.389-.945-.389-.371 0-.686.13-.945.389l-9.116 9.13-4.085-4.099c-.259-.259-.574-.389-.945-.389-.371 0-.686.13-.945.389l-1.89 1.89c-.259.259-.389.574-.389.945 0 .37.13.686.389.945l5.03 5.03 1.89 1.89c.259.259.574.389.945.389.37 0 .685-.13.945-.389l1.89-1.89 10.06-10.06c.259-.259.389-.574.389-.945 0-.37-.13-.685-.389-.945" fill="#fff" fill-opacity=".851"/></g></svg>
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Generator: Adobe Illustrator 24.2.3, SVG Export Plug-In . SVG Version: 6.00 Build 0) -->
+<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+ viewBox="0 0 283.46 283.46" style="enable-background:new 0 0 283.46 283.46;" xml:space="preserve">
+<style type="text/css">
+ .st0{fill:#231F20;}
+ .st1{fill:none;stroke:#231F20;stroke-width:36;stroke-linecap:round;stroke-miterlimit:10;}
+ .st2{fill:#ED1C24;}
+ .st3{fill:#FFFFFF;}
+</style>
+<g>
+ <path class="st0" d="M209.46,74v135.46H74V74H209.46 M283.46,0H0v283.46h283.46V0L283.46,0z"/>
+</g>
+<path class="st1" d="M15.14,199.56"/>
+<path class="st1" d="M15.14,216.86"/>
+<g>
+ <polygon class="st2" points="97.71,88.66 150.06,36.3 99.24,-14.5 297.96,-14.5 297.96,184.2 246.66,132.89 194.3,185.25 "/>
+ <path class="st3" d="M283.46,0v149.2l-36.81-36.81l-52.36,52.36l-76.09-76.09l52.36-52.36L134.26,0H283.46 M312.46-29h-29H134.26
+ H64.23l49.52,49.51l15.8,15.79L97.71,68.15L77.2,88.66l20.51,20.51l76.09,76.09l20.51,20.51l20.51-20.51l31.85-31.85l16.3,16.3
+ l49.51,49.51V149.2V0V-29L312.46-29z"/>
+</g>
+</svg>
diff --git a/extension/manifest.json b/extension/manifest.json
index 5fb87ff..5164f28 100644
--- a/extension/manifest.json
+++ b/extension/manifest.json
@@ -1,31 +1,34 @@
-{
- "manifest_version": 2,
- "name": "Safelinks Cleaner",
- "description": "Clean up display of Microsoft Advanced Threat Protection Safe Links",
- "version": "1.0",
- "author": "David Byers",
- "homepage_url": "https://gitlab.liu.se/davby02/safelinkscleaner/",
- "icons": {
- "48": "icon.svg",
- "96": "icon.svg",
- "144": "icon.svg",
- "192": "icon.svg"
- },
- "applications": {
- "gecko": {
- "id": "safelinkscleaner@it.liu.se",
- "strict_min_version": "78.4"
- }
- },
- "background": {
- "scripts": [
- "background.js"
- ]
- },
- "permissions": [
- "messagesModify"
- ],
- "web_accessible_resources": [
- "assets/*.png"
- ]
-}
+{
+ "manifest_version": 2,
+ "name": "Safelinks Cleaner",
+ "description": "Clean up display of Microsoft Advanced Threat Protection Safe Links",
+ "version": "1.0",
+ "author": "David Byers",
+ "homepage_url": "https://gitlab.liu.se/davby02/safelinkscleaner/",
+ "icons": {
+ "48": "icon.svg",
+ "96": "icon.svg",
+ "144": "icon.svg",
+ "192": "icon.svg"
+ },
+ "applications": {
+ "gecko": {
+ "id": "safelinkscleaner@it.liu.se",
+ "strict_min_version": "78.4"
+ }
+ },
+ "background": {
+ "scripts": [
+ "common.js",
+ "background.js"
+ ]
+ },
+ "permissions": [
+ "messagesModify",
+ "clipboardWrite",
+ "menus"
+ ],
+ "web_accessible_resources": [
+ "assets/*.png"
+ ]
+}
diff --git a/extension/style.css b/extension/style.css
index f23373c..47f6371 100644
--- a/extension/style.css
+++ b/extension/style.css
@@ -1,18 +1,18 @@
-a:hover .liu_safelinks_tooltip {
- display: block;
-}
-
-.liu_safelinks_tooltip {
- display: none;
- background: #fffff0 url(assets/shield.png) no-repeat 3px;
- background-size: 14px 14px;
- color: black;
- padding: 3px 3px 4px 22px;
- position: absolute;
- z-index: 1000;
- border: 1px solid black;
- -webkit-box-shadow: 0px 0px 6px 1px rgba(0,0,0,0.5);
- -moz-box-shadow: 0px 0px 6px 1px rgba(0,0,0,0.5);
- box-shadow: 0px 0px 6px 1px rgba(0,0,0,0.5);
- font: 14px sans-serif;
-}
+a:hover .liu_safelinks_tooltip {
+ display: block;
+}
+
+.liu_safelinks_tooltip {
+ display: none;
+ background: #fffff0 url(assets/shield.png) no-repeat 3px;
+ background-size: 14px 14px;
+ color: black;
+ padding: 3px 3px 4px 22px;
+ position: absolute;
+ z-index: 1000;
+ border: 1px solid black;
+ -webkit-box-shadow: 0px 0px 6px 1px rgba(0,0,0,0.5);
+ -moz-box-shadow: 0px 0px 6px 1px rgba(0,0,0,0.5);
+ box-shadow: 0px 0px 6px 1px rgba(0,0,0,0.5);
+ font: 14px sans-serif;
+}
--
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