.
*
*************************************************************/
// check that data has arrived here via HTTPS
if ($_SERVER['HTTPS'] != "on") {
die ("Use a secure HTTPS connection to the server. Aborting ...");
}
// use GET without data only
if (strtoupper($_SERVER['REQUEST_METHOD']) != "POST") {
//check if there is a query string, then abort.
if (count($_GET) != 0){
die ("Always use POST to prevent recording of query strings. Aborting ...");
}
}
if (! is_file("gpgconfig.php")){
die ("Config file does not exist.");
}
require_once('gpgconfig.php');
if (! is_dir($GPGDIR)){
die ("GPG directory $GPGDIR does not exist.");
}
else {
$ERRORFILE = $GPGDIR."/gpgerrors";
}
$TEXT = "";
if (isset($_REQUEST[$ENCRYPTIONTEXTAREA])) {
$TEXT = $_REQUEST[$ENCRYPTIONTEXTAREA];
// quote newlines and " and ' to preserve them
$TEXT = addslashes($TEXT);
}
if (! isset($KEYSELECTION)){
$KEYSELECTION = "no";
}
if (! isset($IFRAMENUMBER)){
$IFRAMENUMBER = 0;
}
if (! isset($SHOWTEXTAREA)){
$SHOWTEXTAREA = "no";
}
if (isset($_REQUEST['encryptionkey'])){
$ENCRYPTIONKEY = $_REQUEST['encryptionkey'];
}
echo "\n";
echo "
\n";
if (isset($ENCRYPTIONKEY) && isset($TEXT))
{
if (strlen($ENCRYPTIONKEY) > 0) {
// perform encryption
echo "
Encryption with key: \"".htmlentities($ENCRYPTIONKEY)."\"
\n";
$ENC = "echo \"".$TEXT."\" | /usr/bin/gpg -a --homedir ".$GPGDIR." --cipher-algo AES --yes --logger-file ".$ERRORFILE." --recipient \"".$ENCRYPTIONKEY."\" --always-trust -e ";
$RESULT = unix($ENC);
// check if encryption is successful
$ERR = strpos($RESULT,'BEGIN PGP MESSAGE');
if (! $ERR === false){
if ($SHOWTEXTAREA == "yes"){
$RESULT = "\n\n";
}
echo "
\n";
echo "
\n";
echo " \n\n";
}
else {
echo "
Encryption failed.
";
echo "
\n
\n";
}
}
else {
echo "
Encryption failed.
";
echo "
\n
\n";
}
}
else {
// select a public key from the keyring
if (! isset($ENCRYPTIONKEY)) {
if ($KEYSELECTION == "yes") {
echo "
Please choose one of the following public keys
\n";
$Keys = unix("/usr/bin/gpg --homedir $GPGDIR --list-keys");
$List = explode ("\n", $Keys);
if (count($List) < 2 ) {
die ("
No keys available. Aborting ...
");
}
echo "
\n";
foreach ($List as $Line){
$KEYID = htmlentities(trim(substr($Line,4)));
if ( substr_count($Line, "pub ") == 1){
echo "