Initial commit

README.md

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+# Ledger Blue : chrome extension for Slack 
+
+This is a proof of concept to showcase how the Ledger Blue can be used to secure communication channels such as Slack.

background.html

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+Hello!

bridge.js

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+injectScript(chrome.extension.getURL( "/" ), "inject.js");
+
+function injectScript (aBasePath, aScriptURL) {
+  var codeInjection = document.createElement("script");
+  codeInjection.src = aBasePath + aScriptURL;
+  codeInjection.async = false;
+  (document.body || document.head || document.documentElement).appendChild(codeInjection);
+}

inject.js

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+initSlackBridge();
+
+function initSlackBridge() {
+  $("#message-input").off("keydown");
+  $("#message-input").on("keydown", function(event) {
+    if (event.which == 13) { 
+      onMessageSubmit(); 
+    } 
+  });
+  $("#message-form").attr('onsubmit', "onMessageSubmit(); return false;");
+}
+function onMessageSubmit() {
+  message = $("#message-input").val();
+  message = message.rot13();
+  $("#message-input").val(message)
+  TS.view.submit();
+  $("#message-input").val(undefined)
+}
+function unscramble() {
+  $.each($(".message_body"), function(index,e) { 
+    text = $(e).text();
+    $(e).text(text.rot13());
+  });
+}
+
+String.prototype.rot13 = function(){
+  return this.replace(/[a-zA-Z]/g, function(c){
+    return String.fromCharCode((c <= "Z" ? 90 : 122) >= (c = c.charCodeAt(0) + 13) ? c : c - 26);
+  });
+};
+

manifest.json

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+{
+  "name": "Ledger Blue Slack extension",
+  "description": "Encrypt a slack chat room using the Blue API",
+  "version": "0.1",
+  "content_scripts": [
+    {
+      "matches": ["https://*.slack.com/*"],
+      "js": ["jquery-2.1.4.min.js", "bridge.js"]
+    }
+  ],
+  "background": {
+    "page": "background.html"
+  },
+  "web_accessible_resources": [ "inject.js" ],
+  "manifest_version": 2
+}