<?php
require('../lib/EasyCry.php');
$options = array(
'b' => array('Block size', true, 8 ),
'Z' => array('Don\'t compress data', false, 1, 0),
'k' => array('Key file', true),
'p' => array('Password phrase', true),
'a' => array('Output in ASCII', false, 1, 0),
'w' => array('Wordwrap (with -a option)', true),
'o' => array('Output file',true),
't' => array('Text to encode/decode', true)
);
$params = array();
function help() {
global $options,$argv;
echo "Usage " . $argv[0] . "[-";
foreach ($options as $k=>$op) {
echo $k;
}
echo "] order [file] ";
echo "\n\n";
echo "Options:\n";
foreach ($options as $k=>$op) {
echo "\t -{$k} {$op[0]} ";
if ($op[1] && isset($op[2]) && $op[2]) {
echo "(By default: {$op[2]})";
}
echo "\n";
}
echo "\n";
echo "For bugs/issues: https://github.com/exos/PHP-EasyCry\n";
exit (0);
}
function getOption ($val) {
global $options, $params;
if (isset($params[$val])) {
return $params[$val];
} elseif (isset($options[$val])) {
if (isset($options[$val][2])) {
return $options[$val][2];
} else {
return null;
}
} else {
throw new Exception ("Option $val dont exist");
}
}
$rest = array();
for ($i = 1; $i < $argc; $i++ ) {
if (preg_match('#-([\w]+)#', $argv[$i], $mod)) {
$pars = $mod[1];
$sj = 0;
for ($j=0; $j < strlen($pars); $j++) {
if (isset($options[$pars{$j}])) {
if ($options[$pars{$j}][1]) {
if (!isset($argv[$i+$sj+1])) {
help();
}
$params[$pars{$j}] = $argv[$i+$sj+1];
$sj++;
} else {
if (isset($options[$pars{$j}][3])) {
$params[$pars{$j}] = $options[$pars{$j}][3];
}
}
} else {
fwrite(STDOUT, "Unknow option " . $pars{$j} . "\n");
exit(1);
}
}
$i += $sj;
} else {
$rest[] = $argv[$i];
}
}
if (!isset($rest[0])) {
help();
}
$cry = new EasyCry();
$cry->bloksize = getOption('b');
$cry->compress = (bool) getOption('Z');
$cry->binary = (bool) getOption('a');
if (getOption('p')) {
$pass = getOption('p');
} elseif (getOption('k')) {
if (file_exists(getOption('k'))) {
$pass = file_get_contents(getOption('k'));
} else {
fwrite(STDOUT, "Key file don't exist \n");
exit(2);
}
} else {
echo "Password: ";
$pass = fgets(STDIN);
$pass = substr($pass,0,-1);
}
if (getOption('t')) {
$text = getOption('t');
} elseif (isset($rest[1])) {
if (file_exists($rest[1])) {
$text = file_get_contents($rest[1]);
} else {
fwrite(STDOUT, "{$rest[1]} don't exist \n");
exit(3);
}
} else {
help();
}
switch ($rest[0]) {
case 'encode':
$res = $cry->encode($text, $pass);
if (!$cry->binary && getOption('w')) {
$res = wordwrap($res, (int) getOption('w'), "\n", true);
}
break;
case 'decode':
$res = $cry->decode($text, $pass);
$res = $res['data'];
break;
default:
help;
}
if (getOption('o')) {
file_put_contents(getOption('o'), $res);
} else {
print ($res);
echo "\n";
exit(0);
}
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