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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * This file is part of PHPProject - A pure PHP library for reading and writing |
| 5 | * project management files. |
| 6 | * |
| 7 | * PHPProject is free software distributed under the terms of the GNU Lesser |
| 8 | * General Public License version 3 as published by the Free Software Foundation. |
| 9 | * |
| 10 | * For the full copyright and license information, please read the LICENSE |
| 11 | * file that was distributed with this source code. For the full list of |
| 12 | * contributors, visit https://github.com/PHPOffice/PHPProject/contributors. |
| 13 | * |
| 14 | * @link https://github.com/PHPOffice/PHPProject |
| 15 | * @copyright 2009-2014 PHPProject contributors |
| 16 | * @license http://www.gnu.org/licenses/lgpl.txt LGPL version 3 |
| 17 | */ |
| 18 | |
| 19 | declare(strict_types=1); |
| 20 | |
| 21 | namespace PhpOffice\PhpProject\Reader; |
| 22 | |
| 23 | use PhpOffice\PhpProject\PhpProject; |
| 24 | |
| 25 | /** |
| 26 | * ProjectLibre reader |
| 27 | * |
| 28 | * A ProjectLibre `.pod` file (version 1.5.5+) is made of serialized Java data, |
| 29 | * a separator, then an MSPDI file. This reader locates the separator and reads |
| 30 | * the embedded MSPDI part with the MSPDI reader. |
| 31 | */ |
| 32 | class ProjectLibre implements ReaderInterface |
| 33 | { |
| 34 | /** |
| 35 | * Separator placed before the embedded MSPDI file inside a `.pod` file |
| 36 | */ |
| 37 | const MSPDI_SEPARATOR = '@@@@@@@@@@ProjectLibreSeparator_MSXML@@@@@@@@@@'; |
| 38 | |
| 39 | /** |
| 40 | * @param string $pFilename |
| 41 | * @return bool |
| 42 | */ |
| 43 | public function canRead(string $pFilename): bool |
| 44 | { |
| 45 | if (!file_exists($pFilename) || !is_readable($pFilename)) { |
| 46 | return false; |
| 47 | } |
| 48 | $content = (string) file_get_contents($pFilename); |
| 49 | |
| 50 | return strpos($content, self::MSPDI_SEPARATOR) !== false; |
| 51 | } |
| 52 | |
| 53 | /** |
| 54 | * @param string $pFilename |
| 55 | * @throws \Exception |
| 56 | * @return PhpProject |
| 57 | */ |
| 58 | public function load(string $pFilename): PhpProject |
| 59 | { |
| 60 | if (!file_exists($pFilename) || !is_readable($pFilename)) { |
| 61 | throw new \Exception('The file is not accessible.'); |
| 62 | } |
| 63 | |
| 64 | // Keep only the MSPDI part, located after the separator. |
| 65 | $content = (string) file_get_contents($pFilename); |
| 66 | $position = strpos($content, self::MSPDI_SEPARATOR); |
| 67 | if ($position === false) { |
| 68 | throw new \Exception('The file is not a valid ProjectLibre file.'); |
| 69 | } |
| 70 | $mspdi = substr($content, $position + strlen(self::MSPDI_SEPARATOR)); |
| 71 | |
| 72 | // The MSPDI reader expects a file, so we write the MSPDI part to a |
| 73 | // temporary file before delegating to it. |
| 74 | $tempFile = (string) tempnam(sys_get_temp_dir(), 'PHPPROJECT'); |
| 75 | file_put_contents($tempFile, $mspdi); |
| 76 | |
| 77 | $phpProject = (new MSPDI())->load($tempFile); |
| 78 | |
| 79 | unlink($tempFile); |
| 80 | |
| 81 | return $phpProject; |
| 82 | } |
| 83 | } |