From fb1d2502d930fc43991d0afe4fc281a75481dd01 Mon Sep 17 00:00:00 2001
From: ngxson <thichthat@gmail.com>
Date: Wed, 26 Aug 2020 11:35:51 +0200
Subject: [PATCH] add browser host permission API

---
 src/background/content-script.js | 25 ++++++++++++++++---------
 src/background/permissions.js    | 17 +++++++++++++++++
 src/manifest.json                |  4 ++++
 3 files changed, 37 insertions(+), 9 deletions(-)
 create mode 100644 src/background/permissions.js

diff --git a/src/background/content-script.js b/src/background/content-script.js
index 8be3c26..66d812d 100644
--- a/src/background/content-script.js
+++ b/src/background/content-script.js
@@ -1,12 +1,19 @@
 import browser from "webextension-polyfill";
+import { havePermission } from "./permissions";
 
-browser.tabs.onUpdated.addListener(function (tabId, changeInfo, tab) {
-  browser.tabs.executeScript(tabId, {
-    file: 'content_script/input_tools.js',
-    runAt: 'document_idle',
-  });
+async function init() {
+  if (await havePermission('tabs')) {
+    browser.tabs.onUpdated.addListener(function (tabId, changeInfo, tab) {
+      browser.tabs.executeScript(tabId, {
+        file: 'content_script/input_tools.js',
+        runAt: 'document_idle',
+      });
+    
+      browser.tabs.insertCSS(tabId, {
+        file: 'content_script/input_tools.css',
+      });
+    });
+  }
+}
 
-  browser.tabs.insertCSS(tabId, {
-    file: 'content_script/input_tools.css',
-  });
-});
\ No newline at end of file
+init();
diff --git a/src/background/permissions.js b/src/background/permissions.js
new file mode 100644
index 0000000..1ba6fb6
--- /dev/null
+++ b/src/background/permissions.js
@@ -0,0 +1,17 @@
+import browser from "webextension-polyfill";
+
+async function havePermission(name) {
+  return await browser.permissions.contains({
+    permissions: [ name ],
+    origins: [ 'http://*/*', 'https://*/* '],
+  });
+}
+
+async function requestPermission(name) {
+  return await browser.permissions.request({
+    permissions: [ name ],
+    origins: [ 'http://*/*', 'https://*/* '],
+  });
+}
+
+export { havePermission, requestPermission };
\ No newline at end of file
diff --git a/src/manifest.json b/src/manifest.json
index 73494bd..01b785c 100644
--- a/src/manifest.json
+++ b/src/manifest.json
@@ -8,9 +8,13 @@
     "128": "icons/icon_128.png"
   },
   "permissions": [
+    "activeTab",
     "storage",
     "cookies",
     "contextMenus",
+    "https://*.simplelogin.io/*"
+  ],
+  "optional_permissions": [
     "tabs",
     "http://*/*",
     "https://*/*"