Initial commit

application/Espo/Core/Upgrades/Actions/Base/Delete.php

@@ -0,0 +1,78 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Upgrades\Actions\Base;
+
+use Espo\Core\Exceptions\Error;
+use Espo\Core\Upgrades\Actions\Base;
+
+class Delete extends Base
+{
+    /**
+     * @param array<string, mixed> $data
+     * @throws Error
+     */
+    public function run(mixed $data): mixed
+    {
+        $processId = $data['id'];
+
+        $this->getLog()->debug('Delete package process ['.$processId.']: start run.');
+
+        if (empty($processId)) {
+            throw new Error('Delete package package ID was not specified.');
+        }
+
+        $this->initialize();
+        $this->setProcessId($processId);
+
+        if (isset($data['parentProcessId'])) {
+            $this->setParentProcessId($data['parentProcessId']);
+        }
+
+        $this->beforeRunAction();
+        /* delete a package */
+        $this->deletePackage();
+        $this->afterRunAction();
+        $this->finalize();
+
+        $this->getLog()->debug('Delete package process ['.$processId.']: end run.');
+
+        return null;
+    }
+
+    /**
+     * @throws Error
+     */
+    protected function deletePackage(): bool
+    {
+        $packageArchivePath = $this->getPackagePath(true);
+
+        return $this->getFileManager()->removeFile($packageArchivePath);
+    }
+}

application/Espo/Core/Upgrades/Actions/Base/Install.php

@@ -0,0 +1,341 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Upgrades\Actions\Base;
+
+use Espo\Core\Exceptions\Error;
+use Espo\Core\Upgrades\Actions\Base;
+use Espo\Core\Utils\Util;
+use Throwable;
+
+class Install extends Base
+{
+    /**
+     * Main installation process.
+     *
+     * @param array<string, mixed> $data
+     * @throws Error
+     */
+    public function run(mixed $data): mixed
+    {
+        $processId = $data['id'];
+
+        $this->getLog()->debug("Installation process [$processId]: start run.");
+
+        $this->stepInit($data);
+        $this->stepCopyBefore($data);
+
+        if ($this->getCopyFilesPath('before')) {
+            $this->stepRebuild($data);
+        }
+
+        $this->stepBeforeInstallScript($data);
+
+        if ($this->getScriptPath('before')) {
+            $this->stepRebuild($data);
+        }
+
+        $this->stepCopy($data);
+        $this->stepRebuild($data);
+
+        $this->stepCopyAfter($data);
+
+        if ($this->getCopyFilesPath('after')) {
+            $this->stepRebuild($data);
+        }
+
+        $this->stepAfterInstallScript($data);
+        if ($this->getScriptPath('after')) {
+            $this->stepRebuild($data);
+        }
+
+        $this->stepFinalize($data);
+
+        $this->getLog()->debug("Installation process [$processId]: end run.");
+
+        return null;
+    }
+
+    /**
+     * @param array<string, mixed> $data
+     * @throws Error
+     */
+    protected function initPackage(array $data): void
+    {
+        $processId = $data['id'];
+
+        if (empty($processId)) {
+            throw new Error('Installation package ID was not specified.');
+        }
+
+        $this->setProcessId($processId);
+
+        if (isset($data['parentProcessId'])) {
+            $this->setParentProcessId($data['parentProcessId']);
+        }
+
+        /** check if an archive is unzipped, if no then unzip */
+        $packagePath = $this->getPackagePath();
+
+        if (!file_exists($packagePath)) {
+            $this->unzipArchive();
+            $this->isAcceptable();
+        }
+    }
+
+    /**
+     * @param array<string, mixed> $data
+     * @throws Error
+     */
+    public function stepInit(array $data): void
+    {
+        $this->initPackage($data);
+
+        $this->getLog()->info("Installation process [{$this->getProcessId()}]: Start \"init\" step.");
+
+        if (!$this->systemRebuild()) {
+            $this->throwErrorAndRemovePackage('Rebuild is failed. Fix all errors before upgrade.');
+        }
+
+        $this->initialize();
+        $this->checkIsWritable();
+        $this->enableMaintenanceMode();
+        $this->beforeRunAction();
+        $this->backupExistingFiles();
+
+        $this->getLog()->info("Installation process [{$this->getProcessId()}]: End \"init\" step.");
+    }
+
+    /**
+     * @param array<string, mixed> $data
+     * @throws Error
+     */
+    public function stepCopyBefore(array $data): void
+    {
+        $this->initPackage($data);
+
+        $this->getLog()->info("Installation process [{$this->getProcessId()}]: Start \"copyBefore\" step.");
+
+        if (!$this->copyFiles('before')) {
+            $this->throwErrorAndRemovePackage('Cannot copy beforeInstall files.');
+        }
+
+        $this->getLog()->info("Installation process [{$this->getProcessId()}]: End \"copyBefore\" step.");
+    }
+
+    /**
+     * @param array<string, mixed> $data
+     * @throws Error
+     */
+    public function stepBeforeInstallScript(array $data): void
+    {
+        $this->initPackage($data);
+
+        $this->getLog()->info("Installation process [{$this->getProcessId()}]: Start \"beforeInstallScript\" step.");
+
+        if (!isset($data['skipBeforeScript']) || !$data['skipBeforeScript']) {
+            $this->runScript('before');
+        }
+
+        $this->getLog()->info("Installation process [{$this->getProcessId()}]: End \"beforeInstallScript\" step.");
+    }
+
+    /**
+     * @param array<string, mixed> $data
+     * @throws Error
+     */
+    public function stepCopy(array $data): void
+    {
+        $this->initPackage($data);
+
+        $this->getLog()->info("Installation process [{$this->getProcessId()}]: Start \"copy\" step.");
+
+        /* remove files defined in a manifest */
+        if (!$this->deleteFiles('delete', true)) {
+            $this->throwErrorAndRemovePackage('Cannot delete files.');
+        }
+
+        /* copy files from directory "Files" to EspoCRM files */
+        if (!$this->copyFiles()) {
+            $this->throwErrorAndRemovePackage('Cannot copy files.');
+        }
+
+        if (!$this->deleteFiles('vendor')) {
+            $this->throwErrorAndRemovePackage('Cannot delete vendor files.');
+        }
+
+        if (!$this->copyFiles('vendor')) {
+            $this->throwErrorAndRemovePackage('Cannot copy vendor files.');
+        }
+
+        $this->getLog()->info("Installation process [{$this->getProcessId()}]: End \"copy\" step.");
+    }
+
+    /**
+     * @param array<string, mixed> $data
+     * @throws Error
+     */
+    public function stepRebuild(array $data): void
+    {
+        $this->initPackage($data);
+
+        $this->getLog()->info("Installation process [{$this->getProcessId()}]: Start \"rebuild\" step.");
+
+        if (!isset($data['skipSystemRebuild']) || !$data['skipSystemRebuild']) {
+            if (!$this->systemRebuild()) {
+                $this->throwErrorAndRemovePackage('Error occurred while EspoCRM rebuild. More detail in the log.');
+            }
+        }
+
+        $this->getLog()->info("Installation process [{$this->getProcessId()}]: End \"rebuild\" step.");
+    }
+
+    /**
+     * @param array<string, mixed> $data
+     * @throws Error
+     */
+    public function stepCopyAfter(array $data): void
+    {
+        $this->initPackage($data);
+
+        $this->getLog()->info("Installation process [{$this->getProcessId()}]: Start \"copyAfter\" step.");
+
+        //afterInstallFiles
+        if (!$this->copyFiles('after')) {
+            $this->throwErrorAndRemovePackage('Cannot copy afterInstall files.');
+        }
+
+        $this->getLog()->info("Installation process [{$this->getProcessId()}]: End \"copyAfter\" step.");
+    }
+
+    /**
+     * @param array<string, mixed> $data
+     * @throws Error
+     */
+    public function stepAfterInstallScript(array $data): void
+    {
+        $this->initPackage($data);
+
+        $this->getLog()->info("Installation process [{$this->getProcessId()}]: Start \"afterInstallScript\" step.");
+
+        /* run after install script */
+        if (!isset($data['skipAfterScript']) || !$data['skipAfterScript']) {
+            $this->runScript('after');
+        }
+
+        $this->getLog()->info("Installation process [{$this->getProcessId()}]: End \"afterInstallScript\" step.");
+    }
+
+    /**
+     * @param array<string, mixed> $data
+     * @throws Error
+     */
+    public function stepFinalize(array $data): void
+    {
+        $this->initPackage($data);
+
+        $this->getLog()->info("Installation process [{$this->getProcessId()}]: Start \"finalize\" step.");
+
+        $this->disableMaintenanceMode();
+        $this->afterRunAction();
+        $this->finalize();
+
+        /* delete unzipped files */
+        $this->deletePackageFiles();
+
+        if ($this->getManifestParam('skipBackup')) {
+            $path = Util::concatPath($this->getPath('backupPath'), self::FILES);
+
+            $this->getFileManager()->removeInDir($path);
+        }
+
+        $this->getLog()->info("Installation process [{$this->getProcessId()}]: End \"finalize\" step.");
+    }
+
+    /**
+     * @param array<string, mixed> $data
+     * @throws Error
+     */
+    public function stepRevert(array $data): void
+    {
+        $this->initPackage($data);
+
+        $this->getLog()->info("Installation process [{$this->getProcessId()}]: Start \"revert\" step.");
+
+        $this->restoreFiles();
+
+        $this->getLog()->info("Installation process [{$this->getProcessId()}]: End \"revert\" step.");
+    }
+
+    /**
+     * @throws Error
+     */
+    protected function restoreFiles(): bool
+    {
+        $this->getLog()->info('Installer: Restore previous files.');
+
+        $backupPath = $this->getPath('backupPath');
+        $backupFilePath = Util::concatPath($backupPath, self::FILES);
+
+        if (!file_exists($backupFilePath)) {
+            return true;
+        }
+
+        $backupFileList = $this->getRestoreFileList();
+        $copyFileList = $this->getCopyFileList();
+        $deleteFileList = array_diff($copyFileList, $backupFileList);
+
+        $res = $this->copy($backupFilePath, '', true);
+
+        if (!empty($deleteFileList)) {
+            $res &= $this->getFileManager()->remove($deleteFileList, null, true);
+        }
+
+        if ($res) {
+            $this->getFileManager()->removeInDir($backupPath, true);
+        }
+
+        return (bool) $res;
+    }
+
+    /**
+     * @throws Error
+     */
+    public function throwErrorAndRemovePackage(
+        string $errorMessage = '',
+        bool $deletePackage = true,
+        bool $systemRebuild = true,
+        ?Throwable $exception = null
+    ): void {
+
+        $this->restoreFiles();
+
+        parent::throwErrorAndRemovePackage($errorMessage, $deletePackage, $systemRebuild, $exception);
+    }
+}

application/Espo/Core/Upgrades/Actions/Base/Uninstall.php

@@ -0,0 +1,250 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Upgrades\Actions\Base;
+
+use Espo\Core\Exceptions\Error;
+use Espo\Core\Upgrades\Actions\Base;
+use Espo\Core\Utils\Util;
+use Espo\Core\Utils\Json;
+use Throwable;
+
+class Uninstall extends Base
+{
+    /**
+     * @param array<string, mixed> $data
+     * @throws Error
+     */
+    public function run(mixed $data): mixed
+    {
+        $processId = $data['id'];
+
+        $this->getLog()->debug('Uninstallation process ['.$processId.']: start run.');
+
+        if (empty($processId)) {
+            throw new Error('Uninstallation package ID was not specified.');
+        }
+
+        $this->setProcessId($processId);
+
+        if (isset($data['parentProcessId'])) {
+            $this->setParentProcessId($data['parentProcessId']);
+        }
+
+        $this->initialize();
+        $this->checkIsWritable();
+        $this->enableMaintenanceMode();
+        $this->beforeRunAction();
+
+        /* run before uninstall script */
+        if (!isset($data['skipBeforeScript']) || !$data['skipBeforeScript']) {
+            $this->runScript('beforeUninstall');
+        }
+
+        $backupPath = $this->getPath('backupPath');
+        if (file_exists($backupPath)) {
+            /* copy core files */
+            if (!$this->copyFiles()) {
+                $this->throwErrorAndRemovePackage('Cannot copy files.');
+            }
+        }
+
+        /* remove extension files, saved in fileList */
+        if (!$this->deleteFiles('delete', true)) {
+            $this->throwErrorAndRemovePackage('Permission denied to delete files.');
+        }
+
+        $this->disableMaintenanceMode();
+
+        if (!isset($data['skipSystemRebuild']) || !$data['skipSystemRebuild']) {
+            if (!$this->systemRebuild()) {
+                $this->throwErrorAndRemovePackage(
+                    'Error occurred while EspoCRM rebuild. More detail in the log.'
+                );
+            }
+        }
+
+        /* run after uninstall script */
+        if (!isset($data['skipAfterScript']) || !$data['skipAfterScript']) {
+            $this->runScript('afterUninstall');
+        }
+
+        $this->afterRunAction();
+        /* delete backup files */
+        $this->deletePackageFiles();
+        $this->finalize();
+
+        $this->getLog()->debug('Uninstallation process ['.$processId.']: end run.');
+
+        $this->clearCache();
+
+        return null;
+    }
+
+    /**
+     * @throws Error
+     */
+    protected function restoreFiles(): bool
+    {
+        /** @noinspection PhpRedundantOptionalArgumentInspection */
+        $packagePath = $this->getPath('packagePath');
+
+        $manifestPath = Util::concatPath($packagePath, $this->manifestName);
+
+        if (!file_exists($manifestPath)) {
+            $this->unzipArchive($packagePath);
+        }
+
+        $fileDirs = $this->getFileDirs($packagePath);
+
+        $res = true;
+
+        foreach ($fileDirs as $filesPath) {
+            if (file_exists($filesPath)) {
+                $res = $this->copy($filesPath, '', true);
+            }
+        }
+
+        $manifestJson = $this->getFileManager()->getContents($manifestPath);
+        $manifest = Json::decode($manifestJson, true);
+
+        if (!empty($manifest['delete'])) {
+            $res &= $this->getFileManager()->remove($manifest['delete'], null, true);
+        }
+
+        $res &= $this->getFileManager()->removeInDir($packagePath, true);
+
+        return (bool) $res;
+    }
+
+    /**
+     * @param ?string $type
+     * @param string $dest
+     * @throws Error
+     */
+    protected function copyFiles($type = null, $dest = ''): bool
+    {
+        $backupPath = $this->getPath('backupPath');
+
+        $source = Util::concatPath($backupPath, self::FILES);
+
+        return $this->copy($source, $dest, true);
+    }
+
+    /**
+     * Get backup path.
+     *
+     * @param bool $isPackage
+     * @throws Error
+     */
+    protected function getPackagePath($isPackage = false): string
+    {
+        if ($isPackage) {
+            return $this->getPath('packagePath', $isPackage);
+        }
+
+        return $this->getPath('backupPath');
+    }
+
+    /**
+     * @throws Error
+     */
+    protected function deletePackageFiles(): bool
+    {
+        $backupPath = $this->getPath('backupPath');
+
+        return $this->getFileManager()->removeInDir($backupPath, true);
+    }
+
+    /**
+     * @throws Error
+     */
+    public function throwErrorAndRemovePackage(
+        string $errorMessage = '',
+        bool $deletePackage = true,
+        bool $systemRebuild = true,
+        ?Throwable $exception = null
+    ): void {
+
+        $this->restoreFiles();
+
+        parent::throwErrorAndRemovePackage($errorMessage, false, $systemRebuild, $exception);
+    }
+
+    /**
+     * @return string[]
+     * @throws Error
+     */
+    protected function getCopyFileList(): array
+    {
+        if (!isset($this->data['fileList'])) {
+            $backupPath = $this->getPath('backupPath');
+            $filesPath = Util::concatPath($backupPath, self::FILES);
+
+            $this->data['fileList'] = $this->getFileManager()->getFileList($filesPath, true, '', true, true);
+        }
+
+        return $this->data['fileList'];
+    }
+
+    /**
+     * @throws Error
+     */
+    protected function getRestoreFileList(): array
+    {
+        if (!isset($this->data['restoreFileList'])) {
+            $packagePath = $this->getPackagePath();
+            $filesPath = Util::concatPath($packagePath, self::FILES);
+
+            if (!file_exists($filesPath)) {
+                $this->unzipArchive($packagePath);
+            }
+
+            $this->data['restoreFileList'] = $this->getFileManager()->getFileList($filesPath, true, '', true, true);
+        }
+
+        return $this->data['restoreFileList'];
+    }
+
+    /**
+     * @param string $type
+     * @throws Error
+     */
+    protected function getDeleteList($type = 'delete'): array
+    {
+        if ($type == 'delete') {
+            $packageFileList = $this->getRestoreFileList();
+            $backupFileList = $this->getCopyFileList();
+
+            return array_diff($packageFileList, $backupFileList);
+        }
+
+        return [];
+    }
+}

application/Espo/Core/Upgrades/Actions/Base/Upload.php

@@ -0,0 +1,78 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Upgrades\Actions\Base;
+
+use Espo\Core\Exceptions\Error;
+use Espo\Core\Upgrades\Actions\Base;
+
+class Upload extends Base
+{
+    /**
+     * Upload an upgrade/extension package.
+     *
+     * @param string $data
+     * @return string ID of upgrade/extension process.
+     * @throws Error
+     */
+    public function run(mixed $data): string
+    {
+        $processId = $this->createProcessId();
+
+        $this->getLog()->debug("Installation process [$processId]: start upload the package.");
+
+        $this->initialize();
+        $this->beforeRunAction();
+
+        $packageArchivePath = $this->getPackagePath(true);
+
+        $contents = null;
+
+        if (!empty($data)) {
+            [, $contents] = explode(',', $data);
+
+            $contents = base64_decode($contents);
+        }
+
+        $res = $this->getFileManager()->putContents($packageArchivePath, $contents);
+
+        if ($res === false) {
+            throw new Error('Could not upload the package.');
+        }
+
+        $this->unzipArchive();
+        $this->isAcceptable();
+        $this->afterRunAction();
+        $this->finalize();
+
+        $this->getLog()->debug("Installation process [$processId]: end upload the package.");
+
+        return $processId;
+    }
+}

application/Espo/Core/Upgrades/Actions/Extension/Delete.php

@@ -0,0 +1,68 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Upgrades\Actions\Extension;
+use Espo\Core\Exceptions\Error;
+use Espo\Entities\Extension;
+
+class Delete extends \Espo\Core\Upgrades\Actions\Base\Delete
+{
+    protected ?Extension $extensionEntity = null;
+
+    /**
+     * Get an entity of this extension.
+     *
+     * @throws Error
+     */
+    protected function getExtensionEntity(): Extension
+    {
+        if (!$this->extensionEntity) {
+            $processId = $this->getProcessId();
+
+            $this->extensionEntity = $this->getEntityManager()->getEntityById(Extension::ENTITY_TYPE, $processId);
+
+            if (!$this->extensionEntity) {
+                throw new Error('Extension entity not found.');
+            }
+        }
+
+        return $this->extensionEntity;
+    }
+
+    /**
+     * @throws Error
+     */
+    protected function afterRunAction(): void
+    {
+        /** Delete extension entity */
+        $extensionEntity = $this->getExtensionEntity();
+
+        $this->getEntityManager()->removeEntity($extensionEntity);
+    }
+}

application/Espo/Core/Upgrades/Actions/Extension/Install.php

@@ -0,0 +1,245 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Upgrades\Actions\Extension;
+
+use Espo\Core\Upgrades\Base;
+use Espo\Core\Utils\Util;
+use Espo\Core\Exceptions\Error;
+
+use Espo\Entities\Extension;
+use Espo\ORM\Name\Attribute;
+use Throwable;
+
+class Install extends \Espo\Core\Upgrades\Actions\Base\Install
+{
+    protected ?Extension $extensionEntity = null;
+
+    /**
+     * @throws Error
+     */
+    protected function beforeRunAction(): void
+    {
+        $this->loadExtension();
+
+        if (!$this->isNew()) {
+            $this->scriptParams['isUpgrade'] = true;
+
+            $this->compareVersion();
+            $this->uninstallExtension();
+        }
+    }
+
+    /**
+     * @throws Error
+     */
+    protected function afterRunAction(): void
+    {
+        if (!$this->isNew()) {
+            $this->deleteExtension();
+        }
+
+        $this->storeExtension();
+    }
+
+    /**
+     * Copy Existing files to a backup directory.
+     *
+     * @throws Error
+     */
+    protected function backupExistingFiles(): bool
+    {
+        parent::backupExistingFiles();
+
+        $backupPath = $this->getPath('backupPath');
+
+        /** copy scripts files */
+        $packagePath = $this->getPackagePath();
+
+        $source = Util::concatPath($packagePath, self::SCRIPTS);
+        $destination = Util::concatPath($backupPath, self::SCRIPTS);
+
+        return $this->copy($source, $destination, true);
+    }
+
+    private function isNew(): bool
+    {
+        $extensionEntity = $this->getExtensionEntity();
+
+        if ($extensionEntity) {
+            $id = $extensionEntity->get(Attribute::ID);
+        }
+
+        return !isset($id);
+    }
+
+    /**
+     * Get the entity of the extension.
+     */
+    private function getExtensionEntity(): ?Extension
+    {
+        return $this->extensionEntity;
+    }
+
+    /**
+     * Load the extension entity.
+     *
+     * @throws Error
+     */
+    private function loadExtension(): void
+    {
+        $manifest = $this->getManifest();
+
+        $this->extensionEntity = $this->getEntityManager()
+            ->getRDBRepositoryByClass(Extension::class)
+            ->where([
+                'name' => $manifest['name'],
+                'isInstalled' => true,
+            ])
+            ->findOne();
+    }
+
+    /**
+     * Create a record of an extension entity.
+     *
+     * @throws Error
+     */
+    private function storeExtension(): void
+    {
+        $entityManager = $this->getEntityManager();
+
+        $extensionEntity = null;
+
+        if ($this->getProcessId()) {
+            $extensionEntity = $entityManager->getEntityById(Extension::ENTITY_TYPE, $this->getProcessId());
+        }
+
+        if (!$extensionEntity) {
+            $extensionEntity = $entityManager->getNewEntity(Extension::ENTITY_TYPE);
+        }
+
+        $manifest = $this->getManifest();
+        $fileList = $this->getCopyFileList();
+
+        $data = [
+            'id' => $this->getProcessId(),
+            'name' => trim($manifest['name']),
+            'isInstalled' => true,
+            'version' => $manifest['version'],
+            'fileList' => $fileList,
+            'description' => $manifest['description'],
+        ];
+
+        if (!empty($manifest['checkVersionUrl'])) {
+            $data['checkVersionUrl'] = $manifest['checkVersionUrl'];
+        }
+
+        $extensionEntity->set($data);
+
+        try {
+            $entityManager->saveEntity($extensionEntity);
+        } catch (Throwable $e) {
+            $msg = "Error while saving the extension entity. The error occurred in an existing hook. " .
+                "{$e->getMessage()} at {$e->getFile()}:{$e->getLine()}";
+
+            $this->getLog()->error($msg);
+            $this->throwErrorAndRemovePackage('Error saving extension entity. Check logs for details.', false);
+        }
+    }
+
+    /**
+     * Compare version between installed and a new extensions.
+     *
+     * @throws Error
+     */
+    private function compareVersion(): void
+    {
+        $manifest = $this->getManifest();
+        $extensionEntity = $this->getExtensionEntity();
+
+        if (!$extensionEntity) {
+            return;
+        }
+
+        $comparedVersion = version_compare($manifest['version'], $extensionEntity->getVersion(), '>=');
+
+        if ($comparedVersion <= 0) {
+            $this->throwErrorAndRemovePackage('You cannot install an older version of this extension.');
+        }
+    }
+
+    /**
+     * If extension already installed, uninstall an old version.
+     *
+     * @throws Error
+     */
+    private function uninstallExtension(): void
+    {
+        $extensionEntity = $this->getExtensionEntity();
+
+        if (!$extensionEntity) {
+            throw new Error("Can't uninstall not existing extension.");
+        }
+
+        $this->executeAction(Base::UNINSTALL, [
+            'id' => $extensionEntity->get(Attribute::ID),
+            'skipSystemRebuild' => true,
+            'skipAfterScript' => true,
+            'parentProcessId' => $this->getProcessId(),
+        ]);
+    }
+
+    /**
+     * Delete extension package.
+     *
+     * @throws Error
+     */
+    private function deleteExtension(): void
+    {
+        $extensionEntity = $this->getExtensionEntity();
+
+        if (!$extensionEntity) {
+            throw new Error("Can't delete not existing extension.");
+        }
+
+        $this->executeAction(Base::DELETE, [
+            'id' => $extensionEntity->get(Attribute::ID),
+            'parentProcessId' => $this->getProcessId(),
+        ]);
+    }
+
+    /**
+     * @param array<string, string[]|string> $dependencyList
+     * @throws Error
+     */
+    protected function checkDependencies(array $dependencyList): bool
+    {
+        return $this->getHelper()->checkDependencies($dependencyList);
+    }
+}

application/Espo/Core/Upgrades/Actions/Extension/Uninstall.php

@@ -0,0 +1,96 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Upgrades\Actions\Extension;
+
+use Espo\Core\Exceptions\Error;
+
+use Espo\Entities\Extension;
+use Throwable;
+
+class Uninstall extends \Espo\Core\Upgrades\Actions\Base\Uninstall
+{
+    protected ?Extension $extensionEntity = null;
+
+    /**
+     * Get entity of this extension.
+     *
+     * @return Extension
+     * @throws Error
+     */
+    protected function getExtensionEntity()
+    {
+        if (!isset($this->extensionEntity)) {
+            $processId = $this->getProcessId();
+
+            $this->extensionEntity = $this->getEntityManager()->getEntityById(Extension::ENTITY_TYPE, $processId);
+
+            if (!$this->extensionEntity) {
+                throw new Error('Extension entity not found.');
+            }
+        }
+
+        return $this->extensionEntity;
+    }
+
+    /**
+     * @throws Error
+     */
+    protected function afterRunAction(): void
+    {
+        /** Set extension entity, isInstalled = false */
+        $extensionEntity = $this->getExtensionEntity();
+        $extensionEntity->set('isInstalled', false);
+
+        try {
+            $this->getEntityManager()->saveEntity($extensionEntity);
+        } catch (Throwable $e) {
+            $this->getLog()->error(
+                'Error saving Extension entity. The error occurred by existing Hook, more details: ' .
+                $e->getMessage() .' at '. $e->getFile() . ':' . $e->getLine()
+            );
+
+            $this->throwErrorAndRemovePackage('Error saving Extension entity. Check logs for details.', false);
+        }
+    }
+
+    /**
+     * @return string[]
+     * @throws Error
+     */
+    protected function getRestoreFileList(): array
+    {
+        if (!isset($this->data['restoreFileList'])) {
+            $extensionEntity = $this->getExtensionEntity();
+            $this->data['restoreFileList'] = $extensionEntity->get('fileList');
+        }
+
+        return $this->data['restoreFileList'] ?? [];
+    }
+}

application/Espo/Core/Upgrades/Actions/Extension/Upload.php

@@ -0,0 +1,46 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Upgrades\Actions\Extension;
+
+use Espo\Core\Exceptions\Error;
+
+class Upload extends \Espo\Core\Upgrades\Actions\Base\Upload
+{
+    /**
+     * Check dependencies.
+     *
+     * @param array<string, string[]|string> $dependencyList
+     * @throws Error
+     */
+    protected function checkDependencies($dependencyList): bool
+    {
+        return $this->getHelper()->checkDependencies($dependencyList);
+    }
+}

application/Espo/Core/Upgrades/Actions/Helper.php

@@ -0,0 +1,96 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Upgrades\Actions;
+
+use Espo\Core\Exceptions\Error;
+use Espo\Entities\Extension;
+use Espo\ORM\EntityManager;
+use RuntimeException;
+
+class Helper
+{
+    private ?Base $actionObject = null;
+
+    public function __construct(private EntityManager $entityManager)
+    {}
+
+    public function setActionObject(Base $actionObject): void
+    {
+        $this->actionObject = $actionObject;
+    }
+
+    /**
+     * Check dependencies.
+     *
+     * @param array<string, string[]|string> $dependencyList
+     * @throws Error
+     */
+    public function checkDependencies(mixed $dependencyList): bool
+    {
+        if (!$this->actionObject) {
+            throw new RuntimeException("No action passed.");
+        }
+
+        if (!is_array($dependencyList)) {
+            $dependencyList = (array) $dependencyList;
+        }
+
+        /** @var array<string, string[]|string> $dependencyList */
+
+        foreach ($dependencyList as $extensionName => $extensionVersion) {
+            $entity = $this->entityManager
+                ->getRDBRepositoryByClass(Extension::class)
+                ->where([
+                    'name' => trim($extensionName),
+                    'isInstalled' => true,
+                ])
+                ->findOne();
+
+            $versionString = is_array($extensionVersion) ?
+                implode(', ', $extensionVersion) :
+                $extensionVersion;
+
+            $errorMessage = "Dependency error: Extension '$extensionName' with version '$versionString' is missing.";
+
+            if (
+                !$entity ||
+                !$this->actionObject->checkVersions(
+                    $extensionVersion,
+                    $entity->getVersion(),
+                    $errorMessage
+                )
+            ) {
+                throw new Error($errorMessage);
+            }
+        }
+
+        return true;
+    }
+}

application/Espo/Core/Upgrades/Actions/Upgrade/Delete.php

@@ -0,0 +1,44 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Upgrades\Actions\Upgrade;
+
+use Espo\Core\Exceptions\Error;
+
+class Delete extends \Espo\Core\Upgrades\Actions\Base\Delete
+{
+    /**
+     * @param array<string, mixed> $data
+     * @throws Error
+     */
+    public function run(mixed $data): mixed
+    {
+        throw new Error('The operation is not permitted.');
+    }
+}

application/Espo/Core/Upgrades/Actions/Upgrade/Install.php

@@ -0,0 +1,139 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Upgrades\Actions\Upgrade;
+
+use Espo\Core\Exceptions\Error;
+use Espo\Core\Upgrades\Migration\Script;
+use Espo\Core\Upgrades\Migration\VersionUtil;
+use RuntimeException;
+
+class Install extends \Espo\Core\Upgrades\Actions\Base\Install
+{
+    /**
+     * @param array<string, mixed> $data
+     * @throws Error
+     */
+    public function stepBeforeUpgradeScript(array $data): void
+    {
+        $this->stepBeforeInstallScript($data);
+    }
+
+    /**
+     * @param array<string, mixed> $data
+     * @throws Error
+     */
+    public function stepAfterUpgradeScript(array $data): void
+    {
+        $this->stepAfterInstallScript($data);
+        $this->runMigrationAfterInstallScript();
+    }
+
+    /**
+     * @throws Error
+     */
+    protected function finalize(): void
+    {
+        $configWriter = $this->createConfigWriter();
+        $configWriter->set('version', $this->getTargetVersion());
+        $configWriter->save();
+    }
+
+    /**
+     * Delete temporary package files.
+     *
+     * @throws Error
+     */
+    protected function deletePackageFiles(): bool
+    {
+        $res = parent::deletePackageFiles();
+        $res &= $this->deletePackageArchive();
+
+        return (bool) $res;
+    }
+
+    /**
+     * @throws Error
+     */
+    private function getTargetVersion(): string
+    {
+        $version = $this->getManifest()['version'];
+
+        if (!$version) {
+            throw new RuntimeException("No 'version' in manifest.");
+        }
+
+        return $version;
+    }
+
+    /**
+     * @throws Error
+     */
+    private function runMigrationAfterInstallScript(): void
+    {
+        $targetVersion = $this->getTargetVersion();
+        $version = $this->getConfig()->get('version');
+
+        if (!$version || !is_string($version)) {
+            throw new RuntimeException("No or bad 'version' in config.");
+        }
+
+        $script = $this->getMigrationAfterInstallScript($version, $targetVersion);
+
+        if (!$script) {
+            return;
+        }
+
+        $script->run();
+    }
+
+    private function getMigrationAfterInstallScript(string $version, string $targetVersion): ?Script
+    {
+        $isPatch = VersionUtil::isPatch($version, $targetVersion);
+        $a = VersionUtil::split($targetVersion);
+
+        $dir = $isPatch ?
+            'V' . $a[0] . '_' . $a[1] . '_' . $a[2] :
+            'V' . $a[0] . '_' . $a[1];
+
+        $className = "Espo\\Core\\Upgrades\\Migrations\\$dir\\AfterUpgrade";
+
+        if (!class_exists($className)) {
+            return null;
+        }
+
+        $script = $this->getInjectableFactory()->createWith($className, ['isUpgrade' => true]);
+
+        if (!$script instanceof Script) {
+            throw new RuntimeException("$className does not implement Script interface.");
+        }
+
+        return $script;
+    }
+}

application/Espo/Core/Upgrades/Actions/Upgrade/Uninstall.php

@@ -0,0 +1,44 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Upgrades\Actions\Upgrade;
+
+use Espo\Core\Exceptions\Error;
+
+class Uninstall extends \Espo\Core\Upgrades\Actions\Base\Uninstall
+{
+    /**
+     * @param array<string, mixed> $data
+     * @throws Error
+     */
+    public function run(mixed $data): mixed
+    {
+        throw new Error('The operation is not permitted.');
+    }
+}

application/Espo/Core/Upgrades/Actions/Upgrade/Upload.php

@@ -0,0 +1,34 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Upgrades\Actions\Upgrade;
+
+class Upload extends \Espo\Core\Upgrades\Actions\Base\Upload
+{
+}