alibo’s gists

alibo / zip_server.js

Last active January 24, 2023 11:59

Generating & Downloading zip folder on the fly (dynamically) using Node.JS

	//@see https://www.npmjs.com/package/archiver
	var archiver = require('archiver')
	var http = require('http');

	http.createServer(function(request, response) {
	var archiver = archiver('zip')
	archiver.pipe(response)
	response.setHeader('Content-type', 'application/zip')
	response.setHeader('Content-disposition', 'attachment; filename=file_name.zip');

alibo / ValidatorServiceProvider.php

Last active August 29, 2015 14:22

'not_exists' rule for validator in laravel 5.0+ [Simple Solution!]

	<?php namespace App\Providers;

	use Illuminate\Validation\Factory as Validator;
	use Illuminate\Support\ServiceProvider;

	class ValidatorServiceProvider extends ServiceProvider
	{

	/**
	* Bootstrap the application services.

alibo / filtering_bug.php

Last active August 29, 2015 14:23

A bug in filtering system of Iran (#filternet) - Proof Of Concept script [more info (in Persian): http://shirazi.blogfa.com/post/388]

	<?php
	/**
	* There is a bug in filternet. If you connect to yahoo.com:80
	* and type `GET / HTTP/1.1\r\nHost: msn.com\r\n\r\n` you can see msn.com page!
	*
	*
	* How to run:
	* $ php filtering_bug.php <domain-address> <http-host-value>
	*
	* - <domain-address> : connecting via tcp

alibo / filternet_bypass_bug.php

Last active August 29, 2015 14:23

Bypass filternet! (a bug in filtering system of Iran) - Proof of Concept

	<?php
	/**
	* There is a bug in filternet (filtering system of Iran).
	* if you wait 2 seconds or more
	* before sending http request headers, you can bypass
	* filternet! Also you should use LF
	* instead of CRLF (like netcat).
	*
	*
	* How to run:

alibo / filternet_bypass_bug.js

Last active August 29, 2015 14:23

Bypass filternet (Node.js version!) [PHP version: https://gist.github.com/alibo/22ed0cf12d8398703335]

	/**
	* There is a bug in filternet (filtering system of Iran).
	* if you wait 3 seconds or more
	* before sending http request headers, you can bypass
	* filternet! Also you should use LF
	* instead of CRLF (like netcat).
	*
	*
	* How to run:
	* $ node filternet_bypass_bug.js <domain-address> <http-host-value> <wait-time> <path>

alibo / answer-possibility.php

Created October 22, 2015 10:02

Calculate the possibility of minimum correct answers in single-choice questions with 4 choices (by just guessing!)

	<?php

	bcscale(70);

	function factorial($number){

	$factorial = 1;

	while($number > 0){
	$factorial = bcmul($factorial, $number);

alibo / make_alias.sh

Created December 9, 2015 18:55

A simple bash function for making an alias of current directory

	make_alias ()
	{
	echo "alias $1=\"cd `pwd`\"" >> ~/.bash_profile
	source ~/.bash_profile
	}

alibo / dns-server.js

Last active February 13, 2016 20:00

Bypass DNS hijacking in Iran - [Proof of Concept]

	'use strict';

	// Proxy-Dns: https://www.npmjs.com/package/proxy-dns
	let ProxyDNS = require('proxy-dns').default;

	const dns = new ProxyDNS({
	ttl: 600
	});

	dns.use(function* (next) {

alibo / OpenshiftThrottleRequests.php

Created February 14, 2016 19:17

A simple solution for using Laravel's rate-limiting on openshift.com

	<?php

	namespace App\Http\Middleware;

	use Closure;
	use Illuminate\Routing\Middleware\ThrottleRequests;

	class OpenshiftThrottleRequests extends ThrottleRequests
	{
	/**

alibo / filternet-14-03-2016-top6-5k.csv

Last active March 17, 2016 10:56

State of Alexa Top 6.5K global sites in Iran [Censorship]

Ali Borhani alibo