From 9b5284d457dbcf60c3db44f735dbe994730da780 Mon Sep 17 00:00:00 2001
From: jejolare <jejolare@vk.com>
Date: Sat, 22 Apr 2023 05:08:57 +0400
Subject: [PATCH] add inpage api

---
 public/manifest.json         |  6 +++++
 src/background/background.js |  6 ++---
 src/content/content.js       | 24 ++++++++++++++++++
 src/content/inject.js        | 47 ++++++++++++++++++++++++++++++++++++
 webpack.config.js            |  9 +++++++
 5 files changed, 89 insertions(+), 3 deletions(-)
 create mode 100644 src/content/inject.js

diff --git a/public/manifest.json b/public/manifest.json
index 15d1fcf..7186650 100644
--- a/public/manifest.json
+++ b/public/manifest.json
@@ -22,6 +22,12 @@
     {
       "matches": ["<all_urls>"],
       "js": ["static/js/content.bundle.js"]
+    },
+    {
+      "world": "MAIN",
+      "js": ["static/js/inject.bundle.js"],
+      "matches": ["<all_urls>"],
+      "run_at": "document_start"
     }
   ],
   "icons": {
diff --git a/src/background/background.js b/src/background/background.js
index 3e796a0..de1e7c1 100644
--- a/src/background/background.js
+++ b/src/background/background.js
@@ -7,7 +7,7 @@ chrome.runtime.onStartup.addListener(() => {
 
 // eslint-disable-next-line no-undef
 chrome.runtime.onMessage.addListener((request, sender, sendResponse) => {
-  if (request.message === "GET_WALLET_BALANCE") {
+  if (request.method === "GET_WALLET_BALANCE") {
     fetchData("getbalance")
       .then((response) => response.json())
       .then((data) => {
@@ -24,7 +24,7 @@ chrome.runtime.onMessage.addListener((request, sender, sendResponse) => {
 
 // eslint-disable-next-line no-undef
 chrome.runtime.onMessage.addListener((request, sender, sendResponse) => {
-  if (request.message === "GET_WALLET_DATA") {
+  if (request.method === "GET_WALLET_DATA") {
     console.log("Getting wallet data");
     getWalletData()
       .then((data) => {
@@ -40,7 +40,7 @@ chrome.runtime.onMessage.addListener((request, sender, sendResponse) => {
 
 // eslint-disable-next-line no-undef
 chrome.runtime.onMessage.addListener((request, sender, sendResponse) => {
-  if (request.message === "SEND_TRANSFER") {
+  if (request.method === "SEND_TRANSFER") {
     console.log("Sending transfer");
     console.log("destination", request.destination, "amount", request.amount);
     transfer(request.destination, request.amount)
diff --git a/src/content/content.js b/src/content/content.js
index e69de29..5faf39e 100644
--- a/src/content/content.js
+++ b/src/content/content.js
@@ -0,0 +1,24 @@
+async function fetchData(data) {
+    return new Promise((resolve, reject) => {
+        try {
+            chrome.runtime.sendMessage(data, function (response) {
+                resolve(response);
+            });
+        } catch (error) {
+            console.error(`Error while fetching data (${method}):`, error);
+            reject(error);
+        }
+    });
+};
+
+document.addEventListener('zano_request', async (e) => {
+    const data = e.detail;
+    const response = await fetchData(data);
+
+    document.dispatchEvent(new CustomEvent(`zano_response_${data.listenerID}`, {
+        detail: response
+    }));
+
+});
+
+console.log('Zano wallet loaded');
\ No newline at end of file
diff --git a/src/content/inject.js b/src/content/inject.js
new file mode 100644
index 0000000..d952049
--- /dev/null
+++ b/src/content/inject.js
@@ -0,0 +1,47 @@
+class Zano {
+    async request(method, params) {
+
+        function getRandonString(length) {
+            let chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
+            let charLength = chars.length;
+            let result = '';
+
+            for (let i = 0; i < length; i++) {
+                result += chars.charAt(Math.floor(Math.random() * charLength));
+            }
+
+            return result;
+        }
+
+
+        const listenerID = getRandonString(16);
+
+
+        return new Promise((resolve, reject) => {
+
+            const timeout = setTimeout(() => {
+                reject('Request timeout exceeded');
+                document.removeEventListener(`zano_response_${listenerID}`, handleResponse);
+            }, 30000);
+
+            function handleResponse(e) {                
+                document.removeEventListener(`zano_response_${listenerID}`, handleResponse);
+                clearTimeout(timeout);  
+                resolve(e.detail);
+            }
+
+            document.addEventListener(`zano_response_${listenerID}`, handleResponse);
+
+            document.dispatchEvent(new CustomEvent('zano_request', { 
+                detail: {
+                    method: method,
+                    listenerID: listenerID,
+                    ...params
+                }
+            }));
+
+        });
+    }
+}
+
+window.zano = new Zano();
\ No newline at end of file
diff --git a/webpack.config.js b/webpack.config.js
index 74ad047..a4cad82 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -35,6 +35,14 @@ const contentConfig = {
   },
 };
 
+const injectConfig = {
+  entry: "./src/content/inject.js",
+  output: {
+    path: path.resolve(__dirname, "build/static/js"),
+    filename: "inject.bundle.js",
+  },
+};
+
 const copyConfig = {
   plugins: [
     new CopyWebpackPlugin({
@@ -51,4 +59,5 @@ module.exports = [
   merge(common, appConfig, copyConfig),
   merge(common, backgroundConfig),
   merge(common, contentConfig),
+  merge(common, injectConfig),
 ];