From 856eb0c7249335e1a86237b4f58ef4989c9443b4 Mon Sep 17 00:00:00 2001
From: NateN1222 <nathannichols454@gmail.com>
Date: Sun, 8 Oct 2017 11:56:30 -0500
Subject: partially implemented full triviality test
---
main_background.js | 113 +++++++++++++++++++++++++++++++++++++++++++++++------
1 file changed, 102 insertions(+), 11 deletions(-)
diff --git a/main_background.js b/main_background.js
index b91eeca..3504112 100644
--- a/main_background.js
+++ b/main_background.js
@@ -1,6 +1,11 @@
+// TO BUILD:
+// browserify main_background.js -o bundle.js
+// you'll have to get these required packages with npm:
-var acorn = require('acorn');
+const acornbase = require("acorn");
+var acorn = require('acorn/dist/acorn_loose');
var jssha = require('jssha');
+var walk = require("acorn/dist/walk");
console.log("main_background.js");
@@ -23,7 +28,7 @@ var intrinsicEvents = [
"ondblclick",
"onmousedown",
"onmouseup",
- "onmouseover",
+ "onmouseovr",
"onmousemove",
"onmouseout",
"onfocus",
@@ -719,19 +724,105 @@ function blocked_status(hash){
});
}
/* *********************************************************************************************** */
+
+// - For each definition of anything executable that gets a name, including methods:
+// It must call only primitives. (except altering the dom, eval, ajax, square bracket notation)
+
+
+// The number of conditionals and loops must be at most 3.
+
+// It does not declare an array more than 50 elements long.
+// (This will be under VariableDeclarator)
+// At every VariableDeclarator, see if it has
+
+
+// It must not call itself
+
+
+// "The number of conditionals and loops must be at most 5"
+var loops = ["ForInStatement","ForStatement","DoWhileStatement","WhileStatement","IfStatement","SwitchStatement"];
+
+
/**
* Rigorously determines if code is trivial or not based on the official triviality criterion
*/
function full_evaluate(script){
- try{
- var ast = window.parse(script);
- }catch(e){
- console.log("%cError parsing","color:red;");
- return false;
- }
- console.log(ast);
- return true;
+ var ast = acorn.parse_dammit(script);
+
+ var amtloops = 0;
+ var conditionals = 0;
+ var flag = true;
+ walk.full(ast, node => {
+ if(flag){
+ if(node.type != "Literal"){
+ console.log("%c"+node.type+":","color:purple;");
+ console.log(script.substring(node["start"],node["end"]));
+ }
+
+
+
+ // Pretty sure this is bracket suffix notation
+ if(node.type == "MemberExpression"){
+ console.log("%c NONTRIVIAL: Bracket suffix notation.","color:red");
+ flag = false;
+ }
+
+
+
+
+
+
+
+ // "It does not declare an array more than 50 elements long."
+ // (what about dictionaries?)
+ if(node.type == "ArrayExpression"){
+
+ var len = 0;
+
+ try{
+ var temp = script.substring(node["start"],node["end"]);
+ len = JSON.parse(temp).length;
+ } catch(e){
+ console.warn("Invalid array?");
+ len = 99;
+ }
+
+ if(len > 50){
+ console.log("%c NONTRIVIAL: Array longer than 50 elements. ("+len+")","color:red");
+ flag = false;
+ }
+
+ }
+
+ // "The number of conditionals and loops must be at most 3."
+ for(var i = 0; i < loops.length; i++){
+ if(node.type == loops[i]){
+ amtloops++;
+ break;
+ }
+ }
+
+ if(amtloops > 3){
+ console.log("%c NONTRIVIAL: Too many loops/conditionals.","color:red");
+ flag = false;
+ }
+
+ }
+ });
+
+ if(flag == true){
+ console.log("%cScript is trivial.","color:green");
+ }
+
+ return flag;
+
}
+//full_evaluate("if(true){}if(true){}if(true){}if(true){}");
+//full_evaluate("var test =[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50];");
+
+var test = 'object[test];';
+full_evaluate(test);
+full_evaluate('object.test.method["something"];');
/**
* Performs the initial pass on code to see if it needs to be completely parsed
*/
@@ -1088,7 +1179,7 @@ function edit_html(html,url,tabid,wl){
}
/**
* Callback for main frame requests
-*
+*
*/
function read_document(a){
--
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