How to process email attachments on linux

How to process email attachments automatically on Linux

I will share my experience that I had get through while trying to find a way to process an attachment from my personal email using Linux bash scripting.

To start with the story I purchased a daily proxy feed from Hidemy*** which I wanted to feed to our proxy software E-bouncer. The down side is that Hidemy*** will only send you the list as an attachment on your purchased email address which is my personal email. I had to extract the list from a zip file and upload it to the server on daily basis you can imagine how boring was that.

So I thought why don’t I automate the entire process and the plan was to create a filter on my gmail service to forward any email with attachment that comes from Hidemy*** to a custom email that is accessed within the server which is “hproxy a@t oman0.net”. If the email is received on my inbox and the condition is met it will straight forward it to the custom email address.

Therefore I had to write a tiny shell script that would process the “hproxy a@t oman0.net” email address and extract the attachment then copy the new arrived proxy list to E-Bouncer directory so when users retrieves proxy list they get the most recent one automatically.

Here is the script that does the job in case you run into similar situation:

First you will need to install uudeview

wget http://springdale.math.ias.edu/data/puias/6/x86_64/os/Addons/uudeview-0.5.20-19.puias6.x86_64.rpm
rpm -Uvh uudeview-0.5.20-19.puias6.x86_64.rpm
yum install uudeview

 

Shell script:

 


#!/bin/sh
# Shell script written by W. Al Maawali    
# (c) 2014 Founder of Eagle Eye Digital Solutions
# http://www.digi77.com
# http://www.om77.net
# script starts here:

# Go to the custom mail directory
cd /home/oman0/mail/.hproxy@oman0_net/new
# Delete files older than 1 day
ls -t | sed -e '1,1d' |xargs rm
# Extract attachment files from any available mail on the current directory
uudeview -c -i *
# Decompress it as you only receive it as zip file
unzip *.zip
# Move to sub directory
cd full_list
# Rename the proxy list file to a custom name 
cp _full_list.txt elite.pp

FILE='/home/oman0/mail/.hproxy@oman0_net/new/full_list/elite.pp'

# We only proceed if the proxy list is found by checking file existence
if [ -f $FILE ];
then
   # remove the old proxy list
   rm -f /home/digi77/www/software/xxx/data/proxy-feed/elite.pp
   # Copy the new proxy list
   cp elite.pp /home/digi77/www/software/xxx/data/proxy-feed/elite.pp
   # Clean mail box and wait for next day update
   cd /home/oman0/mail/.hproxy@oman0_net/new
   rm -f -r /home/oman0/mail/.hproxy@oman0_net/new/*
   rm -f -r /home/oman0/mail/.hproxy@oman0_net/new/*.*
   rm -f -r /home/oman0/mail/.hproxy@oman0_net/cur/*
   rm -f -r /home/oman0/mail/.hproxy@oman0_net/cur/*.*
   # Count number of proxies
   cat /home/digi77/www/software/xxx/data/proxy-feed/elite.pp|wc -l > /home/digi77/www/software/xxx/data/servercount.pp
   # Print the date
   date +'%Y-%m-%d' > /home/digi77/www/software/xxx/data/proxyvalidatedate.pp
else
   echo "File $FILE does not exists"
fi

 

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Warith Al Maawali
W. AL Maawali is the Founder and Chief Editor of Eagle Eye Digital Solutions from the Sultanate of Oman with over 20 years experience in Security and Digital Forensics. He is also the Founder of om77.net.
EBouncer can be used to validate Proxy servers it can easily determine if the feed contains high anonymity (elite), simple anonymous,transparent or socks5 proxies
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