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Daniel Winzen
2022-05-15 21:39:39 +02:00
commit 81a6b562b6
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114
tools/crypt_maildir.sh Executable file
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#!/bin/bash
#
# Encrypt/Decrypt/Check emails with Dovecot's mail-crpyt-plugin
# This script will encrypt/decrypt emails in-place
# Please read: https://wiki.dovecot.org/Design/Dcrypt and https://wiki2.dovecot.org/Plugins/MailCrypt
#
# Update variables with your keys and patch otherwise you will loose data!
#
# I take no responsibility for data loos this script may cause
#
# IMPORTANT:
# BEFORE USE ADD THIS MAGIC(5) TO YOUR LOCAL MAGIC DATABASE:
#/etc/magic and /etc/magic.mime:
#0 string CRYPTED MailCrypt
#!:mime application/mail-crypt
count=0
processed=0
tempfile=$(mktemp)
uid=5000
gid=5000
maildir_path=$(pwd)
private_key_path=/etc/dovecot/ecprivkey.pem
public_key_path=/etc/dovecot/ecpubkey.pem
if [ "$1" == "" ]; then
echo "Missing user folder"
exit 1
fi
case $2 in
encrypt) mode=encrypt; text_d="Encrypting"
;;
decrypt) mode=decrypt; text_d="Decrypting"
;;
check) mode=check; text_d="Checking"
;;
*) echo "Unknown mode. Modes: [encrypt|decrypt|check]"; exit 1
esac
_encrypt(){
touch -r "$mailmessage" $tempfile
doveadm fs put compress gz:9:crypt:private_key_path=$private_key_path:public_key_path=$public_key_path:posix:prefix=$maildir_path/$userdir/ "$mailmessage" "$mailmessage"
touch -r $tempfile "$mailmessage"
chown $uid:$gid "$mailmessage"
}
_decrypt(){
touch -r "$mailmessage" $tempfile
doveadm fs get compress maybe-gz:9:crypt:private_key_path=$private_key_path:public_key_path=$public_key_path:posix:prefix=$maildir_path/$userdir/ "$mailmessage" > .tempdecrypted
mv .tempdecrypted "$mailmessage"
touch -r $tempfile "$mailmessage"
chmod 0600 "$mailmessage"
chown $uid:$gid "$mailmessage"
}
userdir="$1"
if [ ! -d $maildir_path/$userdir/ ];then
echo "Folder do not exist: $maildir_path/$userdir/"
exit 1
fi
totalfiles=$(find $maildir_path/$userdir/ -type f ! -iname 'dovecot*' ! -iname 'maildirfolder' ! -iname 'subscriptions' | wc -l | xargs)
echo
echo "$text_d mails in $maildir_path/$userdir/"
echo "Found $totalfiles, processing..."
echo ". plain text"
echo "+ gzipped "
echo "* encrypted "
echo "< encrypting"
echo "> decrypting"
echo
# operate in context
cd $maildir_path/$userdir/
for mailmessage in `find . -type f ! -iname 'dovecot*' ! -iname 'maildirfolder' ! -iname 'subscriptions'`; do
message=$(basename "$mailmessage")
if [ ! -f "$mailmessage" ];then
continue;
fi;
testfiletype=$(file -b --mime-type "$mailmessage")
if [ "$testfiletype" != "application/mail-crypt" ] ;then
if [ "$testfiletype" != "application/gzip" ] ;then
echo -n "."
else
echo -n "+"
fi
if [ "$mode" == "encrypt" ];then
_encrypt
echo -n "<"
fi
else
echo -n "*"
if [ "$mode" == "decrypt" ];then
_decrypt
echo -n ">"
fi
fi
count=$(($count + 1))
processed=$(($processed + 1))
if [ $count == 10 ];then
echo -n "$processed/$totalfiles"
echo -e
count=0
fi
done
rm -f $tempfile
echo -e "\n\nDone"

5
tools/mass_mail/composer.json Normal file
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{
"require": {
"phpmailer/phpmailer": "^6.6"
}
}

51
tools/mass_mail/index.php Normal file
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<?php
require_once 'vendor/autoload.php';
use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\SMTP;
use PHPMailer\PHPMailer\Exception;
const DBHOST = 'localhost'; // Database host
const DBUSER = 'postfix_readonly'; // Database user
const DBPASS = 'YOUR_PASSWORD'; // Database password
const DBNAME = 'postfix'; // Database
try{
$db=new PDO('mysql:host=' . DBHOST . ';dbname=' . DBNAME, DBUSER, DBPASS, [PDO::ATTR_ERRMODE=>PDO::ERRMODE_WARNING, PDO::ATTR_PERSISTENT=>false]);
}catch(PDOException $e){
die('No Connection to MySQL database!');
}
$stmt = $db->query('SELECT username FROM mailbox WHERE active = 1;');
$all_accounts = $stmt->fetchAll(PDO::FETCH_ASSOC);
$count = count($all_accounts);
$i = 0;
foreach($all_accounts as $account){
// skip to account x if script was aborted
if(++$i < 1){
continue;
}
echo "Sending mail to $account[username] ($i of $count)...\n";
$mail = new PHPMailer(true);
$mail->isSMTP();
$mail->Host = '127.0.0.1';
$mail->SMTPAuth = true;
$mail->Username = 'YOUR_SMTP_USER';
$mail->Password = 'YOUR_SMTP_PASSWORD';
$mail->SMTPSecure = PHPMailer::ENCRYPTION_SMTPS;
$mail->Port = 465;
$mail->SMTPOptions = [
'ssl' => [
'verify_peer' => false,
'verify_peer_name' => false,
'allow_self_signed' => true,
]
];
$mail->setFrom('YOUR_SMTP_USER', 'YOUR_NAME');
$mail->Subject = 'YOUR_SUBJECT';
$mail->Body = 'YOUR_MESSAGE';
try {
$mail->addAddress($account['username']);
$mail->send();
$mail->clearAddresses();
} catch (Exception $e) {
file_put_contents(__DIR__.'/failed.txt', "Sending mail to $account[username] ($i of $count)...\nMessage could not be sent. Mailer Error: {$mail->ErrorInfo}", FILE_APPEND);
}
}