Allow to restrict the file extensions for a attachment type.

src/Validator/Constraints/AllowedFileExtension.php

@@ -0,0 +1,44 @@
+<?php
+/**
+ *
+ * part-db version 0.1
+ * Copyright (C) 2005 Christoph Lechner
+ * http://www.cl-projects.de/
+ *
+ * part-db version 0.2+
+ * Copyright (C) 2009 K. Jacobs and others (see authors.php)
+ * http://code.google.com/p/part-db/
+ *
+ * Part-DB Version 0.4+
+ * Copyright (C) 2016 - 2019 Jan Böhmer
+ * https://github.com/jbtronics
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * 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 General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ *
+ */
+
+namespace App\Validator\Constraints;
+
+
+use Symfony\Component\Validator\Constraint;
+
+/**
+ * @Annotation
+ * @package App\Validator\Constraints
+ */
+class AllowedFileExtension extends Constraint
+{
+
+}

src/Validator/Constraints/AllowedFileExtensionValidator.php

@@ -0,0 +1,91 @@
+<?php
+/**
+ *
+ * part-db version 0.1
+ * Copyright (C) 2005 Christoph Lechner
+ * http://www.cl-projects.de/
+ *
+ * part-db version 0.2+
+ * Copyright (C) 2009 K. Jacobs and others (see authors.php)
+ * http://code.google.com/p/part-db/
+ *
+ * Part-DB Version 0.4+
+ * Copyright (C) 2016 - 2019 Jan Böhmer
+ * https://github.com/jbtronics
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * 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 General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ *
+ */
+
+namespace App\Validator\Constraints;
+
+
+use App\Entity\Attachments\Attachment;
+use App\Services\Attachments\FileTypeFilterTools;
+use Symfony\Component\Form\FormInterface;
+use Symfony\Component\HttpFoundation\File\UploadedFile;
+use Symfony\Component\Validator\Constraint;
+use Symfony\Component\Validator\ConstraintValidator;
+use Symfony\Component\Validator\Exception\UnexpectedTypeException;
+
+class AllowedFileExtensionValidator extends ConstraintValidator
+{
+
+    protected $filterTools;
+
+    public function __construct(FileTypeFilterTools $filterTools)
+    {
+        $this->filterTools = $filterTools;
+    }
+
+    /**
+     * Checks if the passed value is valid.
+     *
+     * @param mixed $value The value that should be validated
+     * @param Constraint $constraint The constraint for the validation
+     */
+    public function validate($value, Constraint $constraint)
+    {
+        if (!$constraint instanceof AllowedFileExtension) {
+            throw new UnexpectedTypeException($constraint, AllowedFileExtension::class);
+        }
+
+        if ($value instanceof UploadedFile) {
+            if ($this->context->getObject() instanceof Attachment) {
+                /** @var Attachment $attachment */
+                $attachment = $this->context->getObject();
+            } elseif ($this->context->getObject() instanceof FormInterface) {
+                $attachment = $this->context->getObject()->getParent()->getData();
+            } else {
+                return;
+            }
+
+            $attachment_type = $attachment->getAttachmentType();
+
+            //Only validate if the attachment type has specified an filetype filter:
+            if ($attachment_type === null || empty($attachment_type->getFiletypeFilter())) {
+                return;
+            }
+
+            if (!$this->filterTools->isExtensionAllowed(
+                $attachment_type->getFiletypeFilter(),
+                $value->getClientOriginalExtension()
+            )) {
+                $this->context->buildViolation('validator.file_ext_not_allowed')->addViolation();
+            }
+
+        }
+    }
+}

src/Validator/Constraints/NoLockout.php

@@ -37,6 +37,7 @@ use Symfony\Component\Validator\Constraint;
 /**
  * This constraint restricts a user in that way that it can not lock itself out of the user system
  * @package App\Validator\Constraints
+ * @Annotation
  */
 class NoLockout extends Constraint
 {

src/Validator/Constraints/UrlOrBuiltin.php

@@ -38,6 +38,7 @@ use Symfony\Component\Validator\Constraints\Url;
 /**
  * Constraints the field that way that the content is either a url or a path to a builtin ressource (like %FOOTPRINTS%)
  * @package App\Validator\Constraints
+ * @Annotation
  */
 class UrlOrBuiltin extends Url
 {

src/Validator/Constraints/ValidFileFilter.php

@@ -0,0 +1,44 @@
+<?php
+/**
+ *
+ * part-db version 0.1
+ * Copyright (C) 2005 Christoph Lechner
+ * http://www.cl-projects.de/
+ *
+ * part-db version 0.2+
+ * Copyright (C) 2009 K. Jacobs and others (see authors.php)
+ * http://code.google.com/p/part-db/
+ *
+ * Part-DB Version 0.4+
+ * Copyright (C) 2016 - 2019 Jan Böhmer
+ * https://github.com/jbtronics
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * 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 General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ *
+ */
+
+namespace App\Validator\Constraints;
+
+
+use Symfony\Component\Validator\Constraint;
+
+/**
+ * @Annotation
+ * @package App\Validator\Constraints
+ */
+class ValidFileFilter extends Constraint
+{
+
+}

src/Validator/Constraints/ValidFileFilterValidator.php

@@ -0,0 +1,77 @@
+<?php
+/**
+ *
+ * part-db version 0.1
+ * Copyright (C) 2005 Christoph Lechner
+ * http://www.cl-projects.de/
+ *
+ * part-db version 0.2+
+ * Copyright (C) 2009 K. Jacobs and others (see authors.php)
+ * http://code.google.com/p/part-db/
+ *
+ * Part-DB Version 0.4+
+ * Copyright (C) 2016 - 2019 Jan Böhmer
+ * https://github.com/jbtronics
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * 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 General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ *
+ */
+
+namespace App\Validator\Constraints;
+
+
+use App\Services\Attachments\FileTypeFilterTools;
+use Symfony\Component\Validator\Constraint;
+use Symfony\Component\Validator\ConstraintValidator;
+use Symfony\Component\Validator\Exception\UnexpectedTypeException;
+use Symfony\Component\Validator\Exception\UnexpectedValueException;
+
+class ValidFileFilterValidator extends ConstraintValidator
+{
+
+    protected $filterTools;
+
+    public function __construct(FileTypeFilterTools $filterTools)
+    {
+        $this->filterTools = $filterTools;
+    }
+
+    /**
+     * Checks if the passed value is valid.
+     *
+     * @param mixed $value The value that should be validated
+     * @param Constraint $constraint The constraint for the validation
+     */
+    public function validate($value, Constraint $constraint)
+    {
+        if (!$constraint instanceof ValidFileFilter) {
+            throw new UnexpectedTypeException($constraint, ValidFileFilter::class);
+        }
+
+        if (null === $value || '' === $value) {
+            return;
+        }
+
+        if (!is_string($value)) {
+            // throw this exception if your validator cannot handle the passed type so that it can be marked as invalid
+            throw new UnexpectedValueException($value, 'string');
+        }
+
+        if (!$this->filterTools->validateFilterString($value)) {
+            $this->context->buildViolation('validator.file_type_filter.invalid')
+                ->addViolation();
+        }
+    }
+}