mirror of
https://github.com/24eme/signaturepdf.git
synced 2023-08-25 09:33:08 +02:00
337 lines
11 KiB
PHP
337 lines
11 KiB
PHP
<?php
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$f3 = require(__DIR__.'/vendor/fatfree/base.php');
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if(getenv("DEBUG")) {
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$f3->set('DEBUG', getenv("DEBUG"));
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}
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$f3->set('XFRAME', null); // Allow use in an iframe
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$f3->set('ROOT', __DIR__);
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$f3->set('UI', $f3->get('ROOT')."/templates/");
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$f3->set('UPLOADS', sys_get_temp_dir()."/");
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$f3->config(__DIR__.'/config/config.ini');
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if($f3->get('PDF_STORAGE_PATH') && !preg_match('|/$|', $f3->get('PDF_STORAGE_PATH'))) {
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$f3->set('PDF_STORAGE_PATH', $f3->get('PDF_STORAGE_PATH').'/');
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}
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function convertPHPSizeToBytes($sSize)
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{
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//
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$sSuffix = strtoupper(substr($sSize, -1));
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if (!in_array($sSuffix,array('P','T','G','M','K'))){
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return (int)$sSize;
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}
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$iValue = substr($sSize, 0, -1);
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switch ($sSuffix) {
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case 'P':
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$iValue *= 1024;
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// Fallthrough intended
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case 'T':
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$iValue *= 1024;
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// Fallthrough intended
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case 'G':
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$iValue *= 1024;
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// Fallthrough intended
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case 'M':
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$iValue *= 1024;
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// Fallthrough intended
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case 'K':
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$iValue *= 1024;
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break;
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}
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return (int)$iValue;
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}
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$f3->route('GET /',
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function($f3) {
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$f3->reroute('/signature');
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}
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);
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$f3->route('GET /signature',
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function($f3) {
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$f3->set('maxSize', min(array(convertPHPSizeToBytes(ini_get('post_max_size')), convertPHPSizeToBytes(ini_get('upload_max_filesize')))));
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$f3->set('maxPage', ini_get('max_file_uploads') - 1);
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if(!$f3->get('PDF_STORAGE_PATH')) {
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$f3->set('noSharingMode', true);
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}
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echo View::instance()->render('signature.html.php');
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}
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);
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$f3->route('GET /signature/@hash',
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function($f3, $param) {
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$f3->set('hash', $param['hash']);
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$f3->set('maxSize', min(array(convertPHPSizeToBytes(ini_get('post_max_size')), convertPHPSizeToBytes(ini_get('upload_max_filesize')))));
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$f3->set('maxPage', ini_get('max_file_uploads') - 1);
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echo View::instance()->render('signature.html.php');
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}
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);
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$f3->route('GET /organization',
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function($f3) {
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$f3->set('maxSize', min(array(convertPHPSizeToBytes(ini_get('post_max_size')), convertPHPSizeToBytes(ini_get('upload_max_filesize')))));
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echo View::instance()->render('organization.html.php');
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}
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);
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$f3->route('POST /image2svg',
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function($f3) {
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$files = Web::instance()->receive(function($file,$formFieldName){
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if(strpos(Web::instance()->mime($file['tmp_name'], true), 'image/') !== 0) {
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return false;
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}
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return true;
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}, true, function($fileBaseName, $formFieldName) use ($f3) {
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return basename(tempnam($f3->get('UPLOADS'), 'pdfsignature_image2svg'));
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});
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$imageFile = null;
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foreach($files as $file => $valid) {
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if(!$valid) {
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continue;
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}
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$imageFile = $file;
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}
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if(!$imageFile) {
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$f3->error(403);
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}
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shell_exec(sprintf("convert -background white -flatten %s %s", $imageFile, $imageFile.".bmp"));
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shell_exec(sprintf("mkbitmap -x -f 8 %s -o %s", $imageFile.".bmp", $imageFile.".bpm"));
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shell_exec(sprintf("potrace --svg %s -o %s", $imageFile.".bpm", $imageFile.".svg"));
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header('Content-Type: image/svg+xml');
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echo file_get_contents($imageFile.".svg");
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if($f3->get('DEBUG')) {
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return;
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}
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array_map('unlink', glob($imageFile."*"));
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}
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);
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$f3->route('POST /sign',
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function($f3) {
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$filename = null;
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$tmpfile = tempnam($f3->get('UPLOADS'), 'pdfsignature_sign');
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unlink($tmpfile);
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$svgFiles = "";
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$files = Web::instance()->receive(function($file,$formFieldName){
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if($formFieldName == "pdf" && strpos(Web::instance()->mime($file['tmp_name'], true), 'application/pdf') !== 0) {
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$f3->error(403);
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}
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if($formFieldName == "svg" && strpos(Web::instance()->mime($file['tmp_name'], true), 'image/svg+xml') !== 0) {
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$f3->error(403);
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}
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return true;
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}, false, function($fileBaseName, $formFieldName) use ($f3, $tmpfile, &$filename, &$svgFiles) {
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if($formFieldName == "pdf") {
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$filename = str_replace(".pdf", "_signe.pdf", $fileBaseName);
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return basename($tmpfile).".pdf";
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}
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if($formFieldName == "svg") {
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$svgFiles .= " ".$tmpfile."_".$fileBaseName;
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return basename($tmpfile."_".$fileBaseName);
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}
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});
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if(!is_file($tmpfile.".pdf")) {
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$f3->error(403);
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}
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if(!$svgFiles) {
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$f3->error(403);
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}
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shell_exec(sprintf("rsvg-convert -f pdf -o %s %s", $tmpfile.'.svg.pdf', $svgFiles));
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shell_exec(sprintf("pdftk %s multistamp %s output %s", $tmpfile.".pdf", $tmpfile.'.svg.pdf', $tmpfile.'_signe.pdf'));
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Web::instance()->send($tmpfile.'_signe.pdf', null, 0, TRUE, $filename);
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if($f3->get('DEBUG')) {
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return;
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}
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array_map('unlink', glob($tmpfile."*"));
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}
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);
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$f3->route('POST /share',
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function($f3) {
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$hash = substr(hash('sha512', uniqid().rand()), 0, 20);
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$sharingFolder = $f3->get('PDF_STORAGE_PATH').$hash."/";
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$f3->set('UPLOADS', $sharingFolder);
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if (!is_dir($f3->get('PDF_STORAGE_PATH'))) {
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$f3->error(500, 'Sharing folder doesn\'t exist');
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}
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if (!is_writable($f3->get('PDF_STORAGE_PATH'))) {
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$f3->error(500, 'Sharing folder is not writable');
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}
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mkdir($sharingFolder);
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$filename = "original.pdf";
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$tmpfile = tempnam($sharingFolder, date('YmdHis'));
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$svgFiles = "";
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$files = Web::instance()->receive(function($file,$formFieldName){
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if($formFieldName == "pdf" && strpos(Web::instance()->mime($file['tmp_name'], true), 'application/pdf') !== 0) {
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$f3->error(403);
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}
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if($formFieldName == "svg" && strpos(Web::instance()->mime($file['tmp_name'], true), 'image/svg+xml') !== 0) {
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$f3->error(403);
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}
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return true;
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}, false, function($fileBaseName, $formFieldName) use ($tmpfile, $filename, $sharingFolder, &$svgFiles) {
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if($formFieldName == "pdf") {
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file_put_contents($sharingFolder."filename.txt", $fileBaseName);
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return $filename;
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}
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if($formFieldName == "svg") {
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$svgFiles .= " ".$tmpfile."_".$fileBaseName;
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return basename($tmpfile."_".$fileBaseName);
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}
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});
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if(!count($files)) {
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$f3->error(403);
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}
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if(!$svgFiles) {
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$f3->error(403);
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}
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shell_exec(sprintf("rsvg-convert -f pdf -o %s %s", $tmpfile.'.svg.pdf', $svgFiles));
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if(!$f3->get('DEBUG')) {
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array_map('unlink', explode(' ', trim($svgFiles)));
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}
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$f3->reroute('/signature/'.$hash."#informations");
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}
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);
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$f3->route('POST /organize',
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function($f3) {
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$filename = null;
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$tmpfile = tempnam($f3->get('UPLOADS'), 'pdfsignature_organize');
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unlink($tmpfile);
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$pages = explode(',', $f3->get('POST.pages'));
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$files = Web::instance()->receive(function($file,$formFieldName){
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if($formFieldName == "pdf" && strpos(Web::instance()->mime($file['tmp_name'], true), 'application/pdf') !== 0) {
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$f3->error(403);
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}
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return true;
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}, false, function($fileBaseName, $formFieldName) use ($f3, $tmpfile, &$filename, $pages) {
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if($formFieldName == "pdf") {
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$filename = str_replace(".pdf", "_page_".implode("-", $pages).".pdf", $fileBaseName);
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return basename($tmpfile).".pdf";
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}
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});
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if(!is_file($tmpfile.".pdf")) {
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$f3->error(403);
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}
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shell_exec(sprintf("pdftk %s cat %s output %s", $tmpfile.".pdf", implode(" ", $pages), $tmpfile.'_organize.pdf'));
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Web::instance()->send($tmpfile."_organize.pdf", null, 0, TRUE, $filename);
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if($f3->get('DEBUG')) {
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return;
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}
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array_map('unlink', glob($tmpfile."*"));
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}
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);
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$f3->route('GET /signature/@hash/pdf',
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function($f3) {
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$sharingFolder = $f3->get('PDF_STORAGE_PATH').$f3->get('PARAMS.hash');
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$files = scandir($sharingFolder);
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$originalFile = $sharingFolder.'/original.pdf';
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$finalFile = $sharingFolder.'/'.$f3->get('PARAMS.hash').'.pdf';
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$filename = $f3->get('PARAMS.hash').'.pdf';
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if(file_exists($sharingFolder."/filename.txt")) {
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$filename = file_get_contents($sharingFolder."/filename.txt");
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}
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$layers = [];
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foreach($files as $file) {
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if(strpos($file, 'svg.pdf') !== false) {
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$layers[] = $sharingFolder.'/'.$file;
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}
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}
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if (!$layers) {
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Web::instance()->send($originalFile, null, 0, TRUE, $filename);
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}
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$bufferFile = str_replace('.pdf', '_tmp.pdf', $originalFile);
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shell_exec(sprintf("cp %s %s", $originalFile, $finalFile));
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foreach($layers as $layer) {
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shell_exec(sprintf("pdftk %1\$s multistamp %2\$s output %3\$s && mv %3\$s %1\$s", $finalFile, $layer, $bufferFile));
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}
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Web::instance()->send($finalFile, null, 0, TRUE, $filename);
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}
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);
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$f3->route('POST /signature/@hash/save',
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function($f3) {
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$sharingFolder = $f3->get('PDF_STORAGE_PATH').$f3->get('PARAMS.hash').'/';
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$f3->set('UPLOADS', $sharingFolder);
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$tmpfile = tempnam($sharingFolder, date('YmdHis'));
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unlink($tmpfile);
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$svgFiles = "";
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$files = Web::instance()->receive(function($file,$formFieldName){
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if($formFieldName == "svg" && strpos(Web::instance()->mime($file['tmp_name'], true), 'image/svg+xml') !== 0) {
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$f3->error(403);
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}
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return true;
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}, false, function($fileBaseName, $formFieldName) use ($f3, $tmpfile, &$svgFiles) {
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if($formFieldName == "svg") {
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$svgFiles .= " ".$tmpfile."_".$fileBaseName;
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return basename($tmpfile."_".$fileBaseName);
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}
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});
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if(!$svgFiles) {
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$f3->error(403);
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}
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shell_exec(sprintf("rsvg-convert -f pdf -o %s %s", $tmpfile.'.svg.pdf', $svgFiles));
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if(!$f3->get('DEBUG')) {
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array_map('unlink', explode(' ', trim($svgFiles)));
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}
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$f3->reroute('/signature/'.$f3->get('PARAMS.hash')."#signed");
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}
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);
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$f3->route('GET /signature/@hash/nblayers',
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function($f3) {
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$files = scandir($f3->get('PDF_STORAGE_PATH').$f3->get('PARAMS.hash'));
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$nbLayers = 0;
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foreach($files as $file) {
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if(strpos($file, 'svg.pdf') !== false) {
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$nbLayers++;
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}
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}
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echo $nbLayers;
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}
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);
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return $f3;
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