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openstamanager/src/Uploads.php

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<?php
/**
* Classe per la gestione degli upload del progetto.
*
* @since 2.4.1
*/
class Uploads
{
/** @var array Elenco delle tipologie di file permesse */
protected static $allowed_types = [
// Image formats
'jpg' => 'image/jpeg',
'jpeg' => 'image/jpeg',
'jpe' => 'image/jpeg',
'gif' => 'image/gif',
'png' => 'image/png',
'bmp' => 'image/bmp',
'tif' => 'image/tiff',
'tiff' => 'image/tiff',
'ico' => 'image/x-icon',
// Video formats
'asx' => 'video/asf',
'asf' => 'video/asf',
'wax' => 'video/asf',
'wmv' => 'video/asf',
'wmx' => 'video/asf',
'avi' => 'video/avi',
'divx' => 'video/divx',
'flv' => 'video/x-flv',
'mov' => 'video/quicktime',
'qt' => 'video/quicktime',
'mpg' => 'video/mpeg',
'mpeg' => 'video/mpeg',
'mpe' => 'video/mpeg',
'mp4' => 'video/mp4',
'm4v' => 'video/mp4',
'ogv' => 'video/ogg',
'mkv' => 'video/x-matroska',
// Text formats
'txt' => 'text/plain',
'csv' => 'text/csv',
'tsv' => 'text/tab-separated-values',
'ics' => 'text/calendar',
'rtx' => 'text/richtext',
'css' => 'text/css',
'htm' => 'text/html',
'html' => 'text/html',
// Audio formats
'mp3' => 'audio/mpeg',
'm4a' => 'audio/mpeg',
'm4b' => 'audio/mpeg',
'mp' => 'audio/mpeg',
'ra' => 'audio/x-realaudio',
'ram' => 'audio/x-realaudio',
'wav' => 'audio/wav',
'ogg' => 'audio/ogg',
'oga' => 'audio/ogg',
'mid' => 'audio/midi',
'midi' => 'audio/midi',
'wma' => 'audio/wma',
'mka' => 'audio/x-matroska',
// Misc application formats
'rtf' => 'application/rtf',
'js' => 'application/javascript',
'pdf' => 'application/pdf',
'swf' => 'application/x-shockwave-flash',
'class' => 'application/java',
'tar' => 'application/x-tar',
'zip' => 'application/zip',
'gz' => 'application/x-gzip',
'gzip' => 'application/x-gzip',
'rar' => 'application/rar',
'7z' => 'application/x-7z-compressed',
// MS Office formats
'doc' => 'application/msword',
'pot' => 'application/vnd.ms-powerpoint',
'pps' => 'application/vnd.ms-powerpoint',
'ppt' => 'application/vnd.ms-powerpoint',
'wri' => 'application/vnd.ms-write',
'xla' => 'application/vnd.ms-excel',
'xls' => 'application/vnd.ms-excel',
'xlt' => 'application/vnd.ms-excel',
'xlw' => 'application/vnd.ms-excel',
'mdb' => 'application/vnd.ms-access',
'mpp' => 'application/vnd.ms-project',
'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
'docm' => 'application/vnd.ms-word.document.macroEnabled.12',
'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
'dotm' => 'application/vnd.ms-word.template.macroEnabled.12',
'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12',
'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
'xltm' => 'application/vnd.ms-excel.template.macroEnabled.12',
'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12',
'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
'pptm' => 'application/vnd.ms-powerpoint.presentation.macroEnabled.12',
'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12',
'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
'potm' => 'application/vnd.ms-powerpoint.template.macroEnabled.12',
'ppam' => 'application/vnd.ms-powerpoint.addin.macroEnabled.12',
'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
'sldm' => 'application/vnd.ms-powerpoint.slide.macroEnabled.12',
'onetoc' => 'application/onenote',
'onetoc2' => 'application/onenote',
'onetmp' => 'application/onenote',
'onepkg' => 'application/onenote',
// OpenOffice formats
'odt' => 'application/vnd.oasis.opendocument.text',
'odp' => 'application/vnd.oasis.opendocument.presentation',
'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
'odg' => 'application/vnd.oasis.opendocument.graphics',
'odc' => 'application/vnd.oasis.opendocument.chart',
'odb' => 'application/vnd.oasis.opendocument.database',
'odf' => 'application/vnd.oasis.opendocument.formula',
// WordPerfect formats
'wp' => 'application/wordperfect',
'wpd' => 'application/wordperfect',
];
/**
* Restituisce l'elenco degli allegati registrati per un determinato modulo/plugin e record.
*
* @param array $data
*
* @return array
*/
public static function get($data)
{
$database = database();
$uploads = $database->select('zz_files', '*', [
'id_module' => !empty($data['id_module']) && empty($data['id_plugin']) ? $data['id_module'] : null,
'id_plugin' => !empty($data['id_plugin']) ? $data['id_plugin'] : null,
'id_record' => $data['id_record'],
]);
return $uploads;
}
/**
* Restituisce il nome della cartella per l'upload degli allegati per un determinato modulo/plugin.
*
* @param string|int $id_module
* @param string|int $id_plugin
*
* @return string
*/
public static function getDirectory($id_module, $id_plugin = null)
{
if (empty($id_plugin)) {
$directory = Modules::get($id_module)['directory'];
} else {
$info = Plugins::get($id_plugin);
if (!empty($info['script'])) {
$directory = self::fileInfo($info['script'])['filename'];
} else {
$directory = $info['directory'];
}
}
return 'files/'.$directory;
}
/**
* Individua il nome fisico per il file indicato.
*
* @param string $source
* @param array $data
*
* @return string
*/
public static function getName($source, $data)
{
$extension = strtolower(self::fileInfo($source)['extension']);
$ok = self::isSupportedType($extension);
$directory = DOCROOT.'/'.self::getDirectory($data['id_module'], $data['id_plugin']);
do {
$filename = random_string().'.'.$extension;
} while (file_exists($directory.'/'.$filename));
return $filename;
}
/**
* Effettua l'upload di un file nella cartella indicata.
*
* @param array $source
* @param string $directory
* @param array $data
* @param array $options
*
* @return string
*/
public static function upload($source, $data, $options = [])
{
$original = isset($source['name']) ? $source['name'] : $source;
$filename = self::getName($original, $data);
$directory = DOCROOT.'/'.self::getDirectory($data['id_module'], $data['id_plugin']);
// Creazione file fisico
if (
!directory($directory) ||
(is_uploaded_file($source['tmp_name']) && !move_uploaded_file($source['tmp_name'], $directory.'/'.$filename)) ||
(is_string($source) && !copy($source, $directory.'/'.$filename))
) {
return null;
}
// Registrazione del file
$data['filename'] = $filename;
$data['original'] = $original;
self::register($data);
// Operazioni finali
self::processOptions($data, $options);
return $filename;
}
/**
* Registra nel database il file caricato con i dati richiesti.
*
* @param array $data
*/
public static function register($data)
{
$database = database();
$database->insert('zz_files', [
'name' => !empty($data['name']) ? $data['name'] : $data['original'],
'filename' => !empty($data['filename']) ? $data['filename'] : $data['original'],
'original' => $data['original'],
'category' => !empty($data['category']) ? $data['category'] : null,
'id_module' => !empty($data['id_module']) && empty($data['id_plugin']) ? $data['id_module'] : null,
'id_plugin' => !empty($data['id_plugin']) ? $data['id_plugin'] : null,
'id_record' => $data['id_record'],
]);
}
/**
* Elimina l'allegato indicato.
*
* @param string $filename
* @param array $data
*
* @return string Nome del file
*/
public static function delete($filename, $data)
{
$database = database();
$name = $database->selectOne('zz_files', ['name'], [
'filename' => $filename,
'id_module' => !empty($data['id_module']) && empty($data['id_plugin']) ? $data['id_module'] : null,
'id_plugin' => !empty($data['id_plugin']) ? $data['id_plugin'] : null,
'id_record' => $data['id_record'],
])['name'];
$fileinfo = self::fileInfo($filename);
$directory = DOCROOT.'/'.self::getDirectory($data['id_module'], $data['id_plugin']);
$files = [
$directory.'/'.$fileinfo['basename'],
$directory.'/'.$fileinfo['filename'].'_thumb600.'.$fileinfo['extension'],
$directory.'/'.$fileinfo['filename'].'_thumb100.'.$fileinfo['extension'],
$directory.'/'.$fileinfo['filename'].'_thumb250.'.$fileinfo['extension'],
];
if (delete($files)) {
$database->delete('zz_files', [
'filename' => $fileinfo['basename'],
'id_module' => !empty($data['id_module']) && empty($data['id_plugin']) ? $data['id_module'] : null,
'id_plugin' => !empty($data['id_plugin']) ? $data['id_plugin'] : null,
'id_record' => $data['id_record'],
]);
return $name;
}
return null;
}
/**
* Rimuove tutti gli allegati di un determinato modulo/plugin e record.
*
* @param array $data
*/
public static function deleteLinked($data)
{
$uploads = self::get($data);
foreach ($uploads as $upload) {
self::delete($upload['filename'], $data);
}
}
/**
* Restituisce le informazioni relative al file indicato.
*
* @param string $filepath
*
* @return array
*/
public static function fileInfo($filepath)
{
$infos = pathinfo($filepath);
$infos['extension'] = strtolower($infos['extension']);
return $infos;
}
/**
* Genera un ID fittizio per l'aggiunta di allegati a livello temporaneo.
*
* @return int
*/
public static function getFakeID()
{
return -rand(1, 9999);
}
/**
* Sposta gli allegati fittizi a un record reale.
*
* @param int $fake_id
* @param int $id_record
*/
public static function updateFake($fake_id, $id_record)
{
database()->update('zz_files', [
'id_record' => $id_record,
], [
'id_record' => $fake_id,
]);
}
/**
* Copia gli allegati di un record in un altro record.
*
* @param array $from
* @param array $to
*
* @return bool
*/
public static function copy($from, $to)
{
$attachments = self::get($from);
$directory = DOCROOT.'/'.self::getDirectory($to['id_module'], $to['id_plugin']);
$directory_from = DOCROOT.'/'.self::getDirectory($from['id_module'], $from['id_plugin']);
foreach ($attachments as $attachment) {
$data = array_merge($attachment, $to);
// Individuazione del nuovo nome fisico
$data['filename'] = self::getName($directory_from.'/'.$attachment['filename'], $data);
// Copia fisica
if (!copy($directory_from.'/'.$attachment['filename'], $directory.'/'.$data['filename'])) {
return false;
}
// Registrazione del file
self::register($data);
// Operazioni finali
$options = [];
self::processOptions($data, $options);
}
return true;
}
protected static function processOptions($data, $options)
{
$directory = DOCROOT.'/'.self::getDirectory($data['id_module'], $data['id_plugin']);
if (!empty($options['thumbnails'])) {
self::thumbnails($directory.'/'.$data['filename'], $directory);
}
}
/**
* Controlla se l'estensione è supportata dal sistema di upload.
*
* @param string $extension
*
* @return bool
*/
protected static function isSupportedType($extension)
{
return in_array(strtolower($extension), array_keys(self::$allowed_types));
}
/**
* Genera le thumbnails per le immagini.
*
* @param string $filepath
* @param string $directory
*/
protected static function thumbnails($filepath, $directory = null)
{
$fileinfo = self::fileInfo($filepath);
$directory = empty($directory) ? dirname($filepath) : $directory;
$driver = extension_loaded('gd') ? 'gd' : 'imagick';
Intervention\Image\ImageManagerStatic::configure(['driver' => $driver]);
$img = Intervention\Image\ImageManagerStatic::make($filepath);
$img->resize(600, null, function ($constraint) {
$constraint->aspectRatio();
});
$img->save(slashes($directory.'/'.$fileinfo['filename'].'_thumb600.'.$fileinfo['extension']));
$img->resize(250, null, function ($constraint) {
$constraint->aspectRatio();
});
$img->save(slashes($directory.'/'.$fileinfo['filename'].'_thumb250.'.$fileinfo['extension']));
$img->resize(100, null, function ($constraint) {
$constraint->aspectRatio();
});
$img->save(slashes($directory.'/'.$fileinfo['filename'].'_thumb100.'.$fileinfo['extension']));
}
}
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