55 lines
1.3 KiB
PHP
55 lines
1.3 KiB
PHP
<?php
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/**
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* @file mod/attach.php
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*/
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use Friendica\App;
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use Friendica\Core\L10n;
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use Friendica\Database\DBA;
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use Friendica\Util\Security;
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function attach_init(App $a)
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{
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if ($a->argc != 2) {
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notice(L10n::t('Item not available.') . EOL);
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return;
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}
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$item_id = intval($a->argv[1]);
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// Check for existence, which will also provide us the owner uid
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$r = DBA::selectFirst('attach', [], ['id' => $item_id]);
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if (!DBA::isResult($r)) {
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notice(L10n::t('Item was not found.'). EOL);
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return;
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}
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$sql_extra = Security::getPermissionsSQLByUserId($r['uid']);
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// Now we'll see if we can access the attachment
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$r = q("SELECT * FROM `attach` WHERE `id` = '%d' $sql_extra LIMIT 1",
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DBA::escape($item_id)
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);
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if (!DBA::isResult($r)) {
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notice(L10n::t('Permission denied.') . EOL);
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return;
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}
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// Use quotes around the filename to prevent a "multiple Content-Disposition"
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// error in Chrome for filenames with commas in them
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header('Content-type: ' . $r[0]['filetype']);
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header('Content-length: ' . $r[0]['filesize']);
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if (isset($_GET['attachment']) && $_GET['attachment'] === '0') {
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header('Content-disposition: filename="' . $r[0]['filename'] . '"');
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} else {
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header('Content-disposition: attachment; filename="' . $r[0]['filename'] . '"');
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}
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echo $r[0]['data'];
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exit();
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// NOTREACHED
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}
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