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Author: javascript-2020

blog/25-12-04/bypass-csp/ext/firefox/extension.js

@@ -0,0 +1,37 @@
+
+                                                                      console.clear();
+          if(typeof browser==='undefined'){
+                browser   = chrome;
+          }
+
+
+          var rem    = [
+                'x-proxy',
+                'content-security-policy'
+          ];
+          
+          var add   = [
+                {name:'access-control-allow-origin',value:'*'}
+          ];
+
+
+          browser.webRequest.onHeadersReceived.addListener(handle,{urls:['<all_urls>']},['blocking','responseHeaders']);
+          
+          function handle(details){
+                                                                      console.log(details.url,details);
+                  var hdrs    = details.responseHeaders.slice();
+                                                                      console.log('Headers before :',hdrs);
+                                                                      
+                  hdrs        = hdrs.filter(hdr=>!rem.includes(hdr.name.toLowerCase()));
+                  hdrs        = hdrs.concat(add);
+                    
+                                                                      console.log('Headers after :',hdrs);
+                  return {responseHeaders:hdrs};
+                  
+          }//handle
+          
+          
+          
+          
+          
+