set('DEBUG', getenv("DEBUG")); } $f3->set('XFRAME', null); // Allow use in an iframe $f3->set('ROOT', __DIR__); $f3->set('UI', $f3->get('ROOT')."/templates/"); $f3->set('UPLOADS', sys_get_temp_dir()."/"); $f3->config(__DIR__.'/config/config.ini'); if($f3->get('PDF_STORAGE_PATH') && !preg_match('|/$|', $f3->get('PDF_STORAGE_PATH'))) { $f3->set('PDF_STORAGE_PATH', $f3->get('PDF_STORAGE_PATH').'/'); } if(!$f3->get('PDF_DEMO_LINK') && $f3->get('PDF_DEMO_LINK') !== false) { $f3->set('PDF_DEMO_LINK', 'https://raw.githubusercontent.com/24eme/signaturepdf/master/tests/files/document.pdf'); } $f3->set('disableOrganization', false); if($f3->get('DISABLE_ORGANIZATION')) { $f3->set('disableOrganization', $f3->get('DISABLE_ORGANIZATION')); } $f3->route('GET /', function($f3) { $f3->reroute('/signature'); } ); $f3->route('GET /signature', function($f3) { $f3->set('maxSize', min(array(convertPHPSizeToBytes(ini_get('post_max_size')), convertPHPSizeToBytes(ini_get('upload_max_filesize'))))); $f3->set('maxPage', ini_get('max_file_uploads') - 1); if(!$f3->get('PDF_STORAGE_PATH')) { $f3->set('noSharingMode', true); } echo View::instance()->render('signature.html.php'); } ); $f3->route('GET /signature/@hash', function($f3) { $f3->set('hash', Web::instance()->slug($f3->get('PARAMS.hash'))); $f3->set('maxSize', min(array(convertPHPSizeToBytes(ini_get('post_max_size')), convertPHPSizeToBytes(ini_get('upload_max_filesize'))))); $f3->set('maxPage', ini_get('max_file_uploads') - 1); if(!is_dir($f3->get('PDF_STORAGE_PATH').$f3->get('hash'))) { $f3->error(404); } echo View::instance()->render('signature.html.php'); } ); $f3->route('POST /image2svg', function($f3) { $files = Web::instance()->receive(function($file,$formFieldName){ if(strpos(Web::instance()->mime($file['tmp_name'], true), 'image/') !== 0) { return false; } return true; }, true, function($fileBaseName, $formFieldName) use ($f3) { return basename(tempnam($f3->get('UPLOADS'), 'pdfsignature_image2svg')); }); $imageFile = null; foreach($files as $file => $valid) { if(!$valid) { continue; } $imageFile = $file; } if(!$imageFile) { $f3->error(403); } shell_exec(sprintf("convert -background white -flatten %s %s", $imageFile, $imageFile.".bmp")); shell_exec(sprintf("mkbitmap -x -f 8 %s -o %s", $imageFile.".bmp", $imageFile.".bpm")); shell_exec(sprintf("potrace --svg %s -o %s", $imageFile.".bpm", $imageFile.".svg")); header('Content-Type: image/svg+xml'); echo file_get_contents($imageFile.".svg"); if($f3->get('DEBUG')) { return; } array_map('unlink', glob($imageFile."*")); } ); $f3->route('POST /sign', function($f3) { $filename = null; $tmpfile = tempnam($f3->get('UPLOADS'), 'pdfsignature_sign'); unlink($tmpfile); $svgFiles = ""; $files = Web::instance()->receive(function($file,$formFieldName){ if($formFieldName == "pdf" && strpos(Web::instance()->mime($file['tmp_name'], true), 'application/pdf') !== 0) { $f3->error(403); } if($formFieldName == "svg" && strpos(Web::instance()->mime($file['tmp_name'], true), 'image/svg+xml') !== 0) { $f3->error(403); } return true; }, false, function($fileBaseName, $formFieldName) use ($f3, $tmpfile, &$filename, &$svgFiles) { if($formFieldName == "pdf") { $filename = str_replace(".pdf", "_signe.pdf", $fileBaseName); return basename($tmpfile).".pdf"; } if($formFieldName == "svg") { $svgFiles .= " ".$tmpfile."_".$fileBaseName; return basename($tmpfile."_".$fileBaseName); } }); if(!is_file($tmpfile.".pdf")) { $f3->error(403); } if(!$svgFiles) { $f3->error(403); } shell_exec(sprintf("rsvg-convert -f pdf -o %s %s", $tmpfile.'.svg.pdf', $svgFiles)); shell_exec(sprintf("pdftk %s multistamp %s output %s", $tmpfile.".pdf", $tmpfile.'.svg.pdf', $tmpfile.'_signe.pdf')); Web::instance()->send($tmpfile.'_signe.pdf', null, 0, TRUE, $filename); if($f3->get('DEBUG')) { return; } array_map('unlink', glob($tmpfile."*")); } ); $f3->route('POST /share', function($f3) { $hash = substr(hash('sha512', uniqid().rand()), 0, 20); $sharingFolder = $f3->get('PDF_STORAGE_PATH').$hash; $f3->set('UPLOADS', $sharingFolder."/"); if (!is_dir($f3->get('PDF_STORAGE_PATH'))) { $f3->error(500, 'Sharing folder doesn\'t exist'); } if (!is_writable($f3->get('PDF_STORAGE_PATH'))) { $f3->error(500, 'Sharing folder is not writable'); } mkdir($sharingFolder); $expireFile = $sharingFolder.".expire"; file_put_contents($expireFile, $f3->get('POST.duration')); touch($expireFile, date_format(date_modify(date_create(), file_get_contents($expireFile)), 'U')); $filename = "original.pdf"; $tmpfile = tempnam($sharingFolder, date('YmdHis')); $svgFiles = ""; $files = Web::instance()->receive(function($file,$formFieldName){ if($formFieldName == "pdf" && strpos(Web::instance()->mime($file['tmp_name'], true), 'application/pdf') !== 0) { $f3->error(403); } if($formFieldName == "svg" && strpos(Web::instance()->mime($file['tmp_name'], true), 'image/svg+xml') !== 0) { $f3->error(403); } return true; }, false, function($fileBaseName, $formFieldName) use ($tmpfile, $filename, $sharingFolder, &$svgFiles) { if($formFieldName == "pdf") { file_put_contents($sharingFolder."/filename.txt", $fileBaseName); return $filename; } if($formFieldName == "svg") { $svgFiles .= " ".$tmpfile."_".$fileBaseName; return basename($tmpfile."_".$fileBaseName); } }); if(!count($files)) { $f3->error(403); } if($svgFiles) { shell_exec(sprintf("rsvg-convert -f pdf -o %s %s", $tmpfile.'.svg.pdf', $svgFiles)); } if(!$f3->get('DEBUG')) { array_map('unlink', glob($tmpfile."*.svg")); } $f3->reroute('/signature/'.$hash."#informations"); } ); $f3->route('GET /signature/@hash/pdf', function($f3) { $hash = Web::instance()->slug($f3->get('PARAMS.hash')); $sharingFolder = $f3->get('PDF_STORAGE_PATH').$hash; $files = scandir($sharingFolder); $originalFile = $sharingFolder.'/original.pdf'; $finalFile = $sharingFolder.'/'.$f3->get('PARAMS.hash').uniqid().'.pdf'; $filename = $f3->get('PARAMS.hash').'.pdf'; if(file_exists($sharingFolder."/filename.txt")) { $filename = file_get_contents($sharingFolder."/filename.txt"); } $layers = []; foreach($files as $file) { if(strpos($file, 'svg.pdf') !== false) { $layers[] = $sharingFolder.'/'.$file; } } if (!$layers) { Web::instance()->send($originalFile, null, 0, TRUE, $filename); } $filename = str_replace('.pdf', '_signe-'.count($layers).'x.pdf', $filename); copy($originalFile, $finalFile); $bufferFile = $finalFile.".tmp"; foreach($layers as $layerFile) { shell_exec(sprintf("pdftk %s multistamp %s output %s", $finalFile, $layerFile, $bufferFile)); rename($bufferFile, $finalFile); } Web::instance()->send($finalFile, null, 0, TRUE, $filename); if($f3->get('DEBUG')) { return; } array_map('unlink', glob($finalFile."*")); } ); $f3->route('POST /signature/@hash/save', function($f3) { $hash = Web::instance()->slug($f3->get('PARAMS.hash')); $sharingFolder = $f3->get('PDF_STORAGE_PATH').$hash; $f3->set('UPLOADS', $sharingFolder.'/'); $tmpfile = tempnam($sharingFolder, date('YmdHis')); unlink($tmpfile); $svgFiles = ""; $expireFile = $sharingFolder.".expire"; touch($expireFile, date_format(date_modify(date_create(), file_get_contents($expireFile)), 'U')); $files = Web::instance()->receive(function($file,$formFieldName){ if($formFieldName == "svg" && strpos(Web::instance()->mime($file['tmp_name'], true), 'image/svg+xml') !== 0) { $f3->error(403); } return true; }, false, function($fileBaseName, $formFieldName) use ($f3, $tmpfile, &$svgFiles) { if($formFieldName == "svg") { $svgFiles .= " ".$tmpfile."_".$fileBaseName; return basename($tmpfile."_".$fileBaseName); } }); if(!$svgFiles) { $f3->error(403); } shell_exec(sprintf("rsvg-convert -f pdf -o %s %s", $tmpfile.'.svg.pdf', $svgFiles)); if(!$f3->get('DEBUG')) { array_map('unlink', explode(' ', trim($svgFiles))); } $f3->reroute('/signature/'.$f3->get('PARAMS.hash')."#signed"); } ); $f3->route('GET /signature/@hash/nblayers', function($f3) { $hash = Web::instance()->slug($f3->get('PARAMS.hash')); $files = scandir($f3->get('PDF_STORAGE_PATH').$hash); $nbLayers = 0; foreach($files as $file) { if(strpos($file, 'svg.pdf') !== false) { $nbLayers++; } } echo $nbLayers; } ); $f3->route('GET /cron', function($f3) { $sharingFolder = $f3->get('PDF_STORAGE_PATH'); foreach(glob($sharingFolder.'*.expire') as $expireFile) { if(filemtime($expireFile) > time()) { continue; } $expiredFolder = str_replace('.expire', '', $expireFile); array_map('unlink', glob($expiredFolder."/*")); rmdir($expiredFolder); unlink($expireFile); } }); if (!$f3->get('disableOrganization')) { $f3->route('GET /organization', function($f3) { $f3->set('maxSize', min(array(convertPHPSizeToBytes(ini_get('post_max_size')), convertPHPSizeToBytes(ini_get('upload_max_filesize'))))); echo View::instance()->render('organization.html.php'); } ); $f3->route('POST /organize', function($f3) { $filenames = array(); $tmpfile = tempnam($f3->get('UPLOADS'), 'pdfsignature_organize'); unlink($tmpfile); $pages = explode(',', preg_replace('/[^A-Z0-9a-z,]+/', '', $f3->get('POST.pages'))); $files = Web::instance()->receive(function($file,$formFieldName){ if(strpos(Web::instance()->mime($file['tmp_name'], true), 'application/pdf') !== 0) { $f3->error(403); } return true; }, false, function($fileBaseName, $formFieldName) use ($tmpfile, &$filenames) { $filenames[] = str_replace('.pdf', '', $fileBaseName); return basename($tmpfile).uniqid().".pdf"; }); if(!count($files)) { $f3->error(403); } $pdfs = array(); foreach(array_keys($files) as $i => $file) { $pdfs[] = chr(65 + $i)."=".$file; } shell_exec(sprintf("pdftk %s cat %s output %s", implode(" ", $pdfs), implode(" ", $pages), $tmpfile.'_final.pdf')); Web::instance()->send($tmpfile."_final.pdf", null, 0, TRUE, implode('_', $filenames)); if($f3->get('DEBUG')) { return; } array_map('unlink', glob($tmpfile."*")); } ); } $f3->route('GET /metadata', function($f3) { echo View::instance()->render('metadata.html.php'); } ); function convertPHPSizeToBytes($sSize) { $sSuffix = strtoupper(substr($sSize, -1)); if (!in_array($sSuffix,array('P','T','G','M','K'))){ return (int)$sSize; } $iValue = substr($sSize, 0, -1); switch ($sSuffix) { case 'P': $iValue *= 1024; case 'T': $iValue *= 1024; case 'G': $iValue *= 1024; case 'M': $iValue *= 1024; case 'K': $iValue *= 1024; break; } return (int)$iValue; } return $f3;