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310 | daniel-mar | 1 | <?php |
2 | |||
3 | /* |
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4 | * OIDplus 2.0 |
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5 | * Copyright 2019 Daniel Marschall, ViaThinkSoft |
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6 | * |
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7 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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8 | * you may not use this file except in compliance with the License. |
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9 | * You may obtain a copy of the License at |
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10 | * |
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11 | * http://www.apache.org/licenses/LICENSE-2.0 |
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12 | * |
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13 | * Unless required by applicable law or agreed to in writing, software |
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14 | * distributed under the License is distributed on an "AS IS" BASIS, |
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15 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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16 | * See the License for the specific language governing permissions and |
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17 | * limitations under the License. |
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18 | */ |
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19 | |||
20 | require_once __DIR__ . '/../../../includes/oidplus.inc.php'; |
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21 | |||
311 | daniel-mar | 22 | try { |
23 | OIDplus::init(true); |
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310 | daniel-mar | 24 | |
311 | daniel-mar | 25 | originHeaders(); |
310 | daniel-mar | 26 | |
311 | daniel-mar | 27 | if (!isset($_REQUEST['filename'])) { |
28 | http_response_code(400); |
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29 | throw new Exception("Argument 'filename' is missing"); |
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30 | } |
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31 | $filename = $_REQUEST['filename']; |
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32 | if (strpos($filename, '/') !== false) throw new OIDplusException("Illegal file name"); |
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33 | if (strpos($filename, '\\') !== false) throw new OIDplusException("Illegal file name"); |
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34 | if (strpos($filename, '..') !== false) throw new OIDplusException("Illegal file name"); |
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35 | if (strpos($filename, chr(0)) !== false) throw new OIDplusException("Illegal file name"); |
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310 | daniel-mar | 36 | |
311 | daniel-mar | 37 | if (!isset($_REQUEST['id'])) { |
38 | http_response_code(400); |
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39 | throw new Exception("Argument 'id' is missing"); |
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40 | } |
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41 | $id = $_REQUEST['id']; |
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42 | |||
43 | $uploaddir = OIDplusPagePublicAttachments::getUploadDir($id); |
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44 | $local_file = $uploaddir.'/'.$filename; |
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45 | |||
46 | if (!file_exists($local_file)) { |
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47 | http_response_code(404); |
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48 | throw new Exception("The file does not exist"); |
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49 | } |
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50 | |||
51 | VtsBrowserDownload::output_file($local_file); |
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52 | } catch (Exception $e) { |
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53 | echo "<h1>Error</h1><p>".htmlentities($e->getMessage())."<p>"; |
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310 | daniel-mar | 54 | } |
55 |