djui

Tips

This is a collection of all kinds of tips that I found to be useful over the years as most of them reflect repetative tasks but that are seldom applied. As a human... I forget. This list will soon be merge with a much longer and older list and then, I guess, I will publish it maybe as gist on Github or part of my dot-files Git repository.

OS X / Mac

djui

#!/usr/bin/python

import hmac, struct, time, base64, hashlib  # for totp generation
import re, sys, subprocess                  # for general stuff
from getopt import getopt, GetoptError      # pretending to be easy-to-use


#
# gtb - Google(auth) + Tunnelblick
# 

djui

#!/bin/sh

## Dependencies: $ brew install oath-toolkit


function connect {
    service="$1"
    password='123456'
    secret=$(cat $HOME/.google_authenticator)
    totp=$(oathtool --base32 --totp $secret)

djui

#!/usr/bin/env python

from __future__ import print_function
import base64
import hashlib
import hmac
import struct
import sys
import time

djui

class Keychain():
    """Reimplementation of Keyring for OS X.

       Problem with Keyring is it doesn't allow to set a label with is required
       for this use case.
    """

    class KeychainError(Exception):
        def __init__(self, code=None, msg=None, cause=None):
            self.code = code

djui

#!/usr/bin/env python
import base64,hashlib,hmac,struct,time,sys
if not len(sys.argv[1:]): sys.exit('usage: totp <secret>')
digest = hmac.new(base64.b32decode(sys.argv[1]), struct.pack('>Q', int(time.time()) // 30), hashlib.sha1).digest()
offset = ord(digest[19]) & 15
print '06d' % (struct.unpack('>I', digest[offset:offset+4])[0] & 0x7fffffff % 1000000)

djui

#!/bin/sh -e

cmd=connect
name=$(scutil --nc list | sed -n 's/^* \+.\+\? \+.\+\? \+IPSec \+"\(.\+\?\)" \+\[IPSec\]/\1/p')
password=
secret=
token=

_usage() {
    echo "Usage: $(basename $0) <command> [-n name] [-p pass] [-s secret] [-t token] [-h]"

djui

#!/bin/sh -e

if [ "$#" -ne 2 ] ; then
    echo "Usage: compact-vmdk <VM_NAME> <IMAGE_PATH>"
    echo
    echo "Compacts VMDK images by converting it temporarily to a VDI image, compacting it,"
    echo "and then converting it back."
    echo
    echo "Example:"
    echo

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#!/bin/sh

PROFILE=Default

strings $HOME/Library/Application\ Support/Google/Chrome/$PROFILE/Current\ Session | sort | uniq | grep ^http

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var gUnreadMails = new Set()

setInterval(checkUnread, 3000)

function checkUnread() {
    updateBadge()
    notify()
}

function updateBadge() {