kodekracker

1. Most common 4 HTTP VERB used in WEB API
   • GET,PUT,POST,DELETE
2. what is CORS ?
   • Cross-origin resource sharing (CORS) is a mechanism that allows restricted resources (e.g. fonts) on a web page to be requested from another domain outside the domain from which the resource originated.
   • Only web fonts and AJAX(XMLHttpRequest) requests faced CORS problem.
   • For simple CORS requests, the server only needs to add the following header to its response: Access-Control-Allow-Origin: *
3. what is CSRF attack?

kodekracker

#!/usr/bin/env bash

# System wide Constants
# Ubuntu Code Name Ex:- trusty for Ubuntu 14.04
CODE_NAME=$(lsb_release -cs)

## Install basic libraries required for ubuntu environment
sudo apt-get install libcurl4-openssl-dev libssl-dev -y
sudo apt-get install zsh -y
sudo apt-get install python-software-properties -y

kodekracker

# exporter.py
import pprint


def export(field, value):
    res = {}
    if "to_dict" in dir(value):
        res.update(getattr(value, "to_dict", None)(value))
    elif isinstance(value, list):

kodekracker

Title

<Additional information about your API call. Try to use verbs that match both request type (fetching vs modifying) and plurality (one vs multiple).>

• URL

  <The URL Structure (path only, no root url)>

• Method:

kodekracker

#!/usr/bin/python
# install boto using pip

import types
from threading import Thread
from boto import (
    ses,
    connect_s3
)

kodekracker

<Directory /home/ubuntu/project-dir>
  Options FollowSymLinks
  AllowOverride None
  Require all granted

  Header unset ETag
  FileETag None
  <IfModule mod_expires.c>
     ExpiresActive On
     ExpiresDefault "access plus 1 seconds"

kodekracker

import time

def RateLimited(maxPerSecond):
    minInterval = 1.0 / float(maxPerSecond)
    def decorate(func):
        lastTimeCalled = [0.0]
        def rateLimitedFunction(*args,**kargs):
            elapsed = time.clock() - lastTimeCalled[0]
            leftToWait = minInterval - elapsed
            if leftToWait>0:

kodekracker

Keybase proof

I hereby claim:

• I am kodekracker on github.
• I am spratapakshay (https://keybase.io/spratapakshay) on keybase.
• I have a public key ASD0-NSSOnWRdk6zbe3Hib9Izuc_XSDFJEYUjXbKn97qiQo

To claim this, I am signing this object:

kodekracker

# to generate your dhparam.pem file, run in the terminal
openssl dhparam -out /etc/nginx/ssl/dhparam.pem 2048

kodekracker

import time

def rate_limiter(period, damping = 1.0):
  """
  Prevent a method from being called if it was previously called before
  a time widows has elapsed.
  :param period: The time window after which method invocations can continue
  :param damping: A factor by which to dampen the time window.
  :return function: Decorated function that will forward method invocations if the time window has elapsed.
  """