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pdfsignlts.php
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pdfsignlts.php
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#!/usr/bin/env php
<?php
/*
This file is part of SAPP
Simple and Agnostic PDF Parser (SAPP) - Parse PDF documents in PHP (and update them)
Copyright (C) 2020 - Carlos de Alfonso (caralla76@gmail.com)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
use ddn\sapp\PDFDoc;
require_once('vendor/autoload.php');
if ($argc < 3)
fwrite(STDERR, sprintf("usage: %s <filename> <certfile> <tsaUrl>\n
tsaUrl - optional TSA server url to timestamp pdf document.
", $argv[0]));
else {
if (!file_exists($argv[1]))
fwrite(STDERR, "failed to open file " . $argv[1]);
else {
// Silently prompt for the password
fwrite(STDERR, "Password: ");
system('stty -echo');
$password = trim(fgets(STDIN));
system('stty echo');
fwrite(STDERR, "\n");
$tsa = $argv[3] ?? null;
if (empty($tsa)) {
// Silently prompt for the timestamp autority
fwrite(STDERR, "TSA(\"http://timestamp.digicert.com\") type \"no\" to bypass tsa: ");
system('stty -echo');
$tsa = trim(fgets(STDIN)) ?: "http://timestamp.digicert.com";
system('stty echo');
fwrite(STDERR, "\n");
}
$file_content = file_get_contents($argv[1]);
$obj = PDFDoc::from_string($file_content);
if ($obj === false)
fwrite(STDERR, "failed to parse file " . $argv[1]);
else {
if (!$obj->set_signature_certificate($argv[2], $password))
fwrite(STDERR, "the certificate is not valid");
else {
if ($tsa != 'no') {
$obj->set_tsa($tsa);
}
$obj->set_ltv();
$docsigned = $obj->to_pdf_file_s();
if ($docsigned === false)
fwrite(STDERR, "could not sign the document");
else
echo $docsigned;
}
}
}
}