Bash shell script for updating keyrings and reliability statistics for Mixmaster client on OS X

pingers.txt

http://anonusa.net/echolot/
http://pinger.mixmin.net
http://www.tahina.priv.at/~cm/stats/
http://www.hermetix.org/echolot/
http://www.deuxpi.ca/echolot/
http://www.eurovibes.org/echolot/
http://echolot.theremailer.net/
http://pinger.mixmin.net/
http://www.noreply.org/echolot/
http://senshiweb.webhop.net/

update-mix.sh

#!/bin/sh

###################################################
# update-mix.sh by Michael Wright                 #
# Updated:  2/22/14                               #
#                                                 #
# Set the following variables to your environment #
###################################################

# PRIVOXY_OPTION should be either true or false
# Setting it to false means you don't want the option to use privoxy + tor 
PRIVOXY_OPTION=true
PROXY="http://localhost:8118"
# Don't add trailing slashes (/) to the end of the paths
PRIVOXY_PATH="/usr/local/Cellar/privoxy/3.0.21/sbin"
PRIVOXY_CONFIG_PATH="/usr/local/etc/privoxy"
MIX_DIR="/Users/jschmoe/mix"

# No changes need to be made beyond this point

# enable font colorization
# per http://stackoverflow.com/questions/1085432/how-do-you-automatically-colorize-program-outputs-in-a-bash-shell
red=$(tput setaf 1)
green=$(tput setaf 2)
reset=$(tput op)

cd $MIX_DIR 

if [ "$PRIVOXY_OPTION" == "true" ]; then
	while true; do
    		read -p "Do you want to run Privoxy?  Y or N   " yn
    		case $yn in
        		[Yy]* ) USEPRIVOXY=1;break;;
        		[Nn]* ) USEPRIVOXY=0;break;;
        		* ) USEPRIVOX=1;break;; 
    		esac
	done

	#launch tor + privoxy

	if [ "$USEPRIVOXY" == 1 ]; then
		export http_proxy=$PROXY
		echo "Launching TOR..."
		open -g -a TorBrowser
		sleep 5s
		echo "Launching Privoxy...sudo password required"
		sudo $PRIVOXY_PATH/privoxy $PRIVOXY_CONFIG_PATH/config 
		wget www.google.com
		if [ -f index.html ]; then
			echo "Connection established.  Let's do this!"
			rm index.html
		else
			echo "${red}Error${reset}  Can't connect to the intarwebs.  Bailing."
			exit 1
		fi
	fi
fi

#if no URL is provided, grab one from pingers.txt
if [ ! -f ./pingers.txt ]; then
        echo "${red}ERROR${reset}"
	echo "Can't locate pingers.txt in the local directory."
	echo "You must either provide a pinger URL as a command argument such as "./update-mix.sh http://pinger.mixmin.net" or have a populated pinger.txt" 
        echo "You may find some live pingers on this dated list (if it still exists): http://www.noreply.org/allpingers/allpingers.txt"
	exit 1
fi


if [ -z $1 ]; then 
	FIRST=$(head -$((${RANDOM} % `wc -l < ./pingers.txt` + 1)) ./pingers.txt | tail -1)
else
	FIRST="$1"
fi

SECOND=$(head -$((${RANDOM} % `wc -l < ./pingers.txt` + 1)) ./pingers.txt | tail -1)

if [ "$FIRST" == "$SECOND" ]; then
	SECOND=$(head -$((${RANDOM} % `wc -l < ./pingers.txt` + 1)) ./pingers.txt | tail -1)
fi

# if at first you don't succeed, warn and try again
TRYAGAIN () {
	wget -q $SECOND/$2
	if [ -f "./$2" ]; then
		echo "$2		${green}OK${reset}"
	else
		echo "$2		${red}FAIL${reset}"
		echo "Terminating script"
		echo "Check here for updated pingers:  http://www.palfrader.org/echolot/"
		echo "Also check here:  http://www.noreply.org/allpingers/allpingers.txt"
		exit
	fi
}

VERIFY () {
if [ -f "./$1" ]; then
        echo "$1		${green}OK${reset}"
else
        echo "$1		${red}FAILED${reset}"
	echo "Trying second pinger: $SECOND"
	TRYAGAIN $SECOND $1
fi
}

clear
echo "Trying $FIRST....."
echo ""

if [ -f rlist.txt ]; then
	mv -f rlist.txt rlist.txt.old
fi
wget -q $FIRST/rlist.txt
VERIFY rlist.txt

if [ -f pubring.mix ]; then
	mv -f pubring.mix pubring.mix.old
fi
wget -q $FIRST/pubring.mix
VERIFY pubring.mix

if [ -f type2.list ]; then
	mv -f type2.list type2.list.old
fi
wget -q $FIRST/type2.list
VERIFY type2.list

if [ -f pubring.asc ]; then
	mv -f pubring.asc pubring.asc.old
fi
wget -q $FIRST/pgp-all.asc
VERIFY pgp-all.asc
mv -f pgp-all.asc pubring.asc

if [ -f mlist.txt ]; then
	mv -f mlist.txt mlist.txt.old
fi
wget -q $FIRST/mlist.txt
VERIFY mlist.txt
egrep 'Last update' ./mlist.txt

echo ""
echo "Happy mixing"
echo ""
echo "./mix --mail --to=recipient@domain.com --copies=X --subject='YOUR SUBJECT'"
echo "Enter the message, complete with headers"
echo "When done, press ^D"
echo ""
echo ""
echo "Alternatively, you can compose your message into a file then use the following:"
echo "./mix -tm recipient@domain.com /path/to/file"
echo "When done, pres ^d (command + d)"

if [ "$USEPRIVOXY" == 1 ] && [ "$PRIVOXY_OPTION" == "true"]; then
	echo "Killing Privoxy"
	sudo killall privoxy
	unset http_proxy
fi