1 | <?php |
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2 | |||
3 | declare(strict_types=1); |
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4 | /** |
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5 | * @copyright Copyright (c) 2021 Robin Appelman <[email protected]> |
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6 | * |
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7 | * @license GNU AGPL version 3 or any later version |
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8 | * |
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9 | * This program is free software: you can redistribute it and/or modify |
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10 | * it under the terms of the GNU Affero General Public License as |
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11 | * published by the Free Software Foundation, either version 3 of the |
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12 | * License, or (at your option) any later version. |
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13 | * |
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14 | * This program is distributed in the hope that it will be useful, |
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15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 | * GNU Affero General Public License for more details. |
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18 | * |
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19 | * You should have received a copy of the GNU Affero General Public License |
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20 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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21 | * |
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22 | */ |
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23 | |||
24 | namespace OCA\DAV\Connector\Sabre; |
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25 | |||
26 | use Sabre\DAV\ServerPlugin; |
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27 | use Sabre\HTTP\RequestInterface; |
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28 | use Sabre\HTTP\ResponseInterface; |
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29 | use Sabre\DAV\Server; |
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30 | |||
31 | class ChecksumUpdatePlugin extends ServerPlugin { |
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32 | protected ?Server $server = null; |
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33 | |||
34 | public function initialize(Server $server) { |
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35 | $this->server = $server; |
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36 | $server->on('method:PATCH', [$this, 'httpPatch']); |
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37 | } |
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38 | |||
39 | public function getPluginName(): string { |
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40 | return 'checksumupdate'; |
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41 | } |
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42 | |||
43 | /** @return string[] */ |
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44 | public function getHTTPMethods($path): array { |
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45 | $tree = $this->server->tree; |
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46 | |||
47 | if ($tree->nodeExists($path)) { |
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48 | $node = $tree->getNodeForPath($path); |
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49 | if ($node instanceof File) { |
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50 | return ['PATCH']; |
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51 | } |
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52 | } |
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53 | |||
54 | return []; |
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55 | } |
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56 | |||
57 | /** @return string[] */ |
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58 | public function getFeatures(): array { |
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59 | return ['nextcloud-checksum-update']; |
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60 | } |
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61 | |||
62 | public function httpPatch(RequestInterface $request, ResponseInterface $response) { |
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63 | $path = $request->getPath(); |
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64 | |||
65 | $node = $this->server->tree->getNodeForPath($path); |
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66 | if ($node instanceof File) { |
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67 | $type = strtolower( |
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68 | (string)$request->getHeader('X-Recalculate-Hash') |
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69 | ); |
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70 | |||
71 | $hash = $node->hash($type); |
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72 | if ($hash) { |
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73 | $checksum = strtoupper($type) . ':' . $hash; |
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74 | $node->setChecksum($checksum); |
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75 | $response->addHeader('OC-Checksum', $checksum); |
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76 | $response->setHeader('Content-Length', '0'); |
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77 | $response->setStatus(204); |
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78 | |||
79 | return false; |
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80 | } |
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81 | } |
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82 | } |
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83 | } |
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84 |