RestController.php

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<?php
/*
 SPDX-FileCopyrightText: © 2018 Siemens AG
 Author: Gaurav Mishra <mishra.gaurav@siemens.com>
 
 SPDX-License-Identifier: GPL-2.0-only
*/
namespace Fossology\UI\Api\Controllers;
 
use Fossology\Lib\Auth\Auth;
use Fossology\UI\Api\Exceptions\HttpForbiddenException;
use Fossology\UI\Api\Exceptions\HttpNotFoundException;
use Fossology\UI\Api\Helper\DbHelper;
use Fossology\UI\Api\Helper\RestHelper;
use Psr\Container\ContainerInterface;
use Psr\Http\Message\ServerRequestInterface;
 
class RestController
{
  protected $container;
 
  protected $restHelper;
 
  protected $dbHelper;
 
  public function __construct($container)
  {
    $this->container = $container;
    $this->restHelper = $this->container->get('helper.restHelper');
    $this->dbHelper = $this->restHelper->getDbHelper();
  }
 
  protected function getParsedBody(ServerRequestInterface $request)
  {
    if ($this->isJsonRequest($request)) {
      $content = $request->getBody()->getContents();
      return json_decode($content, true);
    } else {
      // application/x-www-form-urlencoded or multipart/form-data
      return $request->getParsedBody();
    }
  }
 
  protected function throwNotAdminException(): void
  {
    if (!Auth::isAdmin()) {
      throw new HttpForbiddenException("Only admin can access this endpoint.");
    }
  }
 
  protected function uploadAccessible($id): void
  {
    if (! $this->dbHelper->doesIdExist("upload", "upload_pk", $id)) {
      throw new HttpNotFoundException("Upload does not exist");
    }
    if (! $this->restHelper->getUploadDao()->isAccessible($id,
        $this->restHelper->getGroupId())) {
      throw new HttpForbiddenException("Upload is not accessible");
    }
  }
 
  protected function isItemExists(int $uploadId, int $itemId): void
  {
    if (!$this->dbHelper->doesIdExist(
      $this->restHelper->getUploadDao()->getUploadtreeTableName($uploadId),
      "uploadtree_pk", $itemId)) {
      throw new HttpNotFoundException("Item does not exist");
    }
  }
 
  public function isJsonRequest($request)
  {
    return strcasecmp($request->getHeaderLine('Content-Type'),
        "application/json") === 0;
  }
}