josephabrahams’s gists

josephabrahams / admin.py

Created May 25, 2015 15:50

Prevent permission escalation in Django admin when granting “user change” permissions

	from django.contrib import admin
	from django.contrib.auth.admin import UserAdmin
	from django.contrib.auth.models import User


	class RestrictedUserAdmin(UserAdmin):
	"""
	Prevent permission escalation in when granting “user change” permissions
	See: http://stackoverflow.com/a/2298268
	"""

josephabrahams / ddns.sh

Last active August 29, 2015 14:21

DNSimple Dynamic DNS Shell Script

	#!/bin/sh

	TOKEN="your-domain-api-token"
	DOMAIN_ID="yourdomain.com"
	RECORD_ID="12345" # Replace with the Record ID
	IP="`curl http://jsonip.com \| sed 's/{"ip":"$.*$"/\1/g' \| sed 's/}//'`"

	curl -H "Accept: application/json" \
	-H "Content-Type: application/json" \
	-H "X-DNSimple-Domain-Token: $TOKEN" \

josephabrahams / gh-pages-redirect.html

Created May 9, 2015 20:22

Redirect GitHub Pages URL to CNAME

	{% if site.github %}
	<script>
	if (window.location.hostname.indexOf('{{ site.github.pages_hostname }}') !== -1) {
	window.location = '{{ site.github.url }}';
	}
	</script>
	{% endif %}

josephabrahams / where-am-i.html

Last active August 29, 2015 14:17

Use browser geolocation and the Google Maps API to auto-select your current country from a dropdown menu.

	<!DOCTYPE html>
	<title>Where am I?</title>
	<h1>Where am I?</h1>
	<select id="countries" name="countries">
	<option selected>----------</option>
	<option value="AF">Afghanistan</option>
	<option value="AL">Albania</option>
	<option value="DZ">Algeria</option>
	<option value="AS">American Samoa</option>
	<option value="AD">Andorra</option>

josephabrahams / exportjson.js

Last active August 29, 2015 14:16 — forked from pamelafox/exportjson.js

	// Includes functions for exporting active sheet or all sheets as JSON object (also Python object syntax compatible).
	// Tweak the makePrettyJSON_ function to customize what kind of JSON to export.

	var FORMAT_ONELINE = 'One-line';
	var FORMAT_MULTILINE = 'Multi-line';
	var FORMAT_PRETTY = 'Pretty';

	var LANGUAGE_JS = 'JavaScript';
	var LANGUAGE_PYTHON = 'Python';

josephabrahams / shc-trusty-install.sh

Created January 20, 2015 04:10

shc install script

	#!/usr/bin/env bash
	# Install shc <http://www.datsi.fi.upm.es/~frosal/> on Ubuntu 14.04
	# Requires build-essential

	if [ ! $(whoami) == "root" ]; then
	echo "Please run as root!"
	exit 1
	fi

	# download shc package to be compiled

josephabrahams / users.cgi

Created January 18, 2015 18:25

Link to public_html directory of all users

	#!/bin/sh
	echo "Content-type: text/html\n\n"
	echo "<table>"
	for user in $(ls -1 /home \| egrep -v 'travis\|ubuntu'); do
	echo "
	<tr>
	<td valign=\"top\"><img src=\"/icons/folder.gif\" alt=\"[DIR]\"></td>
	<td><a href=\"/~${user}/\">${user}</a></td>
	</tr>"
	done

josephabrahams / authorized_keys

Created January 9, 2015 03:25

Block root SSH access

no-port-forwarding,no-agent-forwarding,no-X11-forwarding,command="echo 'Please login as the user \"foo\" rather than the user \"root\".';echo;sleep 10" ssh-rsa AAAAB3Nza...LiPk== [email protected]

josephabrahams / dyndns53.py

Last active August 29, 2015 14:12 — forked from vrypan/dyndns53.py

Route53 Dynamic DNS Updater

	#!/usr/bin/env python
	# Adapted from http://joseph.is/1HPHiOE

	import sys
	import inspect
	from datetime import datetime
	from syslog import syslog, LOG_ERR

	from area53 import route53
	from boto.route53.exception import DNSServerError

josephabrahams / histdel.sh

Created November 3, 2014 22:30

Delete previous line in .bash_history

	#!/bin/sh

	hist=$(history \| tail -1 \| awk '{ print $1 }'); history -d $hist; history -d $(expr $hist - 1); unset hist

Joseph Abrahams josephabrahams