125 lines
		
	
	
		
			4.7 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			125 lines
		
	
	
		
			4.7 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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require_once('../assets/php/form.php');
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include_once('../assets/php/includes/user.php');
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class FormUploadFiles extends Form {
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    const EXTENSIONS = array('gif','jpg','jpe','jpeg','png');
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    public function __construct() {
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        $options = array("enctype" => "multipart/form-data", "action" => "./?option=change_profile_pic");
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        parent::__construct('formUploadFiles', $options);
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    }
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    protected function generaCamposFormulario($datos, $errores = array()) {
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        // Se generan los mensajes de error si existen.
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        $htmlErroresGlobales = self::generaListaErroresGlobales($errores);
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        $errorFile = self::createMensajeError($errores, 'archivo', 'span', array('class' => 'error'));
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        foreach($datos as $key => $value){
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            $dats = $key." ".$value."  ";
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        }
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        // Se genera el HTML asociado a los campos del formulario y los mensajes de error.
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        $html = '
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                <div class="file">
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                    <input type="file" name="archivo" id="archivo" /><pre>'.$htmlErroresGlobales.'</pre>
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                </div>
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                <input type="submit" id="submit" value="Subir" class="primary" /><pre>'.$errorFile.'</pre>
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                ';
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        return $html;
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    }
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    protected function procesaFormulario($datos) {
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        // Solo se pueden definir arrays como constantes en PHP >= 5.6
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        global $ALLOWED_EXTENSIONS;
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        $result = array();
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        $ok = count($_FILES) == 1 && $_FILES['archivo']['error'] == UPLOAD_ERR_OK;
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        if ( $ok ) {
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            $nombre = $_FILES['archivo']['name'];
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            //1.a) Valida el nombre del archivo 
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            $ok = $this->check_file_uploaded_name($nombre) && $this->check_file_uploaded_length($nombre) ;
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            // 1.b) Sanitiza el nombre del archivo 
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            //$ok = $this->sanitize_file_uploaded_name($nombre);
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            //
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            // 2. comprueba si la extensión está permitida
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            $ok = $ok && in_array(pathinfo($nombre, PATHINFO_EXTENSION), self::EXTENSIONS);
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            // 3. comprueba el tipo mime del archivo correspode a una imagen image
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            $finfo = new \finfo(FILEINFO_MIME_TYPE);
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            $mimeType = $finfo->file($_FILES['archivo']['tmp_name']);
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            $ok = preg_match('/image\/*./', $mimeType);
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            //finfo_close();
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            if ( $ok ) {
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                $tmp_name = $_FILES['archivo']['tmp_name'];
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                $new_name = strtolower(unserialize($_SESSION["user"])->getName()).".jpg";
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                if ( !move_uploaded_file($tmp_name, "../img/users/{$new_name}") ) {
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                    $result['img'] = 'Error al mover el archivo';
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                }
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                $result = "./";
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            } else {
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                $result["errorFile"] = 'El archivo tiene un nombre o tipo no soportado';
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            }
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        } else {
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            $result[] = 'Error al subir el archivo.';
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        }
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        return $result;
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    }
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    /**
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     * Check $_FILES[][name]
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     *
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     * @param (string) $filename - Uploaded file name.
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     * @author Yousef Ismaeil Cliprz
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     * @See http://php.net/manual/es/function.move-uploaded-file.php#111412
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     */
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    protected function check_file_uploaded_name($filename) {
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        return (bool) ((mb_ereg_match('/^[0-9A-Z-_\.]+$/i', $filename) === 1) ? true : false );
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    }
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    /**
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     * Sanitize $_FILES[][name]. Remove anything which isn't a word, whitespace, number
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     * or any of the following caracters -_~,;[]().
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     *
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     * If you don't need to handle multi-byte characters you can use preg_replace
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     * rather than mb_ereg_replace.
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     * 
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     * @param (string) $filename - Uploaded file name.
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     * @author Sean Vieira
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     * @see http://stackoverflow.com/a/2021729
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     */
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    protected function sanitize_file_uploaded_name($filename) {
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        /* Remove anything which isn't a word, whitespace, number
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        * or any of the following caracters -_~,;[]().
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        * If you don't need to handle multi-byte characters
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        * you can use preg_replace rather than mb_ereg_replace
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        * Thanks @Łukasz Rysiak!
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        */
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        $newName = mb_ereg_replace("([^\w\s\d\-_~,;\[\]\(\).])", '', $filename);
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        // Remove any runs of periods (thanks falstro!)
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        $newName = mb_ereg_replace("([\.]{2,})", '', $newName);
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        return $newName;
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    }
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    /**
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     * Check $_FILES[][name] length.
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     *
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     * @param (string) $filename - Uploaded file name.
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     * @author Yousef Ismaeil Cliprz.
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     * @See http://php.net/manual/es/function.move-uploaded-file.php#111412
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     */
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    protected function check_file_uploaded_length ($filename) {
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        return (bool) ((mb_strlen($filename,'UTF-8') < 250) ? true : false);
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    }
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}
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?>
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