Records requestBody from POST requests

background.js

@@ -1,15 +1,19 @@
 let psshs=[];
 let requests=[];
+let bodys=[];
 let pageURL="";
 function convertHeaders(obj){
     return JSON.stringify(Object.fromEntries(obj.map(header => [header.name, header.value])))
 }
+
+//Get URL and headers from POST requests
 chrome.webRequest.onBeforeSendHeaders.addListener(
  function(details) {
     if (details.method === "POST") {
       requests.push({
           url:details.url,
-          headers:convertHeaders(details.requestHeaders)
+          headers:convertHeaders(details.requestHeaders),
+          body:bodys.find((b) => b.id == details.requestId).body
       });
     }
  },
@@ -17,6 +21,20 @@ chrome.webRequest.onBeforeSendHeaders.addListener(
  ["requestHeaders"]
 );
 
+//Get requestBody from POST requests
+chrome.webRequest.onBeforeRequest.addListener(
+ function(details) {
+    if (details.method === "POST") {
+      bodys.push({
+          body:btoa(String.fromCharCode(...new Uint8Array(details.requestBody.raw[0]['bytes']))),
+          id:details.requestId
+      });
+    }
+ },
+ {urls: ["<all_urls>"]},
+ ["requestBody"]
+);
+
 //Receive PSSH from content.js
 chrome.runtime.onMessage.addListener(
   function (request, sender, sendResponse) {
@@ -24,6 +42,7 @@ chrome.runtime.onMessage.addListener(
         case "RESET":
             psshs=[];
             requests=[];
+            bodys=[];
             break;
         case "PSSH":
             psshs.push(request.text)

popup.js

@@ -11,6 +11,7 @@ async function guess(){
     let vars=`pssh="${document.getElementById('pssh').value}"\n`
     vars+=`licUrl="${requests[userInputs['license']]['url']}"\n`
     vars+=`licHeaders='${requests[userInputs['license']]['headers'].replace(/\\/g, "\\\\")}'\n`
+    vars+=`licBody="${requests[userInputs['license']]['body']}"\n`
     let pre=await fetch('python/pre.py').then(res=>res.text())
     let after=await fetch('python/after.py').then(res=>res.text())
     let scheme=await fetch(`python/schemes/${document.getElementById("scheme").value}.py`).then(res=>res.text())